Chuong 3 mau_bao_cao_thi_nghiem

CHƯƠNG: III

MẪU VIẾT BÁO CÁO

THÍ NGHIỆM ÑAÙNH GIAÙ CAÛM QUAN

THÖÏC PHAÅM

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BAØI 1

LÖÏA CHOÏN THAØNH VIEÂN HOÄI ÑOÀNG Muïc tieâu: ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... YÙ nghóa thöïc teá: ...................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... PHAÀN 1: PHAÂN BIEÄT 4 VÒ CÔ BAÛN Thí nghieäm 1: Nhaän bieát 4 vò cô baûn Sau khi thöû caùc vò cô baûn, ghi laïi töøng maõ soá töông öùng vôùi vò cuûa chuùng:

Baûng nhaän bieát 4 vò cô baûn Maõ soá maãu

Vò Thí nghieäm 2: Xeáp daõy cöôøng ñoä vò

Xeáp theo cöôøng ñoä ngọt taêng daàn Cường độ ngọt

Ngọt 1 Ngọt 2 Ngọt 3 Ngọt 4 Ngọt 5 Ngọt 6

Maõ soá

Xếp theo cường độ Đắng tăng dần Cường độ đắng

Đắng 1 Đắng 2 Đắng 3 Đắng 4 Đắng 5 Đắng 6

Maõ soá

Hoï teân Sinh vieân:……………………………………………………………… Nhoùm: …………………………………… Buoåi:………………., Ngaøy thí nghiệm: ……………………………………

GVHD ÑIEÅM

Xếp theo cường độ Mặn tăng dần

Cường độ mặn

Mặn 1 Mặn 2 Mặn 3 Mặn 4 Mặn 5 Mặn 6

Maõ soá

Xếp theo cường độ Chua tăng dần Cường độ chua

Chua 1 Chua 2 Chua 3 Chua 4 Chua 5 Chua 6

Maõ soá

Traû lôøi caâu hoûi

Câu 1: Muïc ñích thí nghieäm nhaän bieát vò cô baûn? Yeâu caàu khi cho noàng ñoä trong maãu thöû (nhaït,

vöøa hay ñaäm)? Taïi sao phaûi caûm quan baøi thí nghieäm naøy?

........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... Câu 2: Muïc ñích cuûa thí nghieäm saép xeáp daõy cöôøng ñoä?

........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ...........................................................................................................................................

Câu 3: Thí nghieäm naøy ñöôïc öùng duïng ñeå laøm gì? ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ...........................................................................................................................................

PHAÀN 2: PHAÂN BIEÄT CAÙC MUØI CÔ BAÛN

Thí nghieäm 3: Nhaän bieát caùc muøi cô baûn

Baûng nhaän bieát caùc muøi cô baûn

Maõ soá Muøi

Thí nghieäm 4: Nhaän bieát hoãn hôïp muøi

Baûng nhaän bieát caùc muøi hoãn hôïp Maõ soá Muøi hoãn hôïp

Traû lôøi caâu hoûi Câu 1: Muïc ñích thí nghieäm nhaän bieát muøi cô baûn? Taïi sao phaûi caûm quan baøi thí nghieäm naøy?

...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... Câu 2: Muïc ñích cuûa thí nghieäm nhaän bieát hoãn hôïp muøi?

...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ......................................................................................................................................

Câu 3: Caùch caûm quan hôïp lyù? Taïi sao chæ ngöûi khoaûng 2 giaây? Taïi sao phaûi ñoùng ngay naép chai

laïi?

...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ......................................................................................................................................

PHAÀN 3: PHAÂN BIEÄT CAÙC MAØU CÔ BAÛN Thí nghieäm 5: Saép xeáp daõy cöôøng ñoä maøu

Xeáp theo cöôøng ñoä maøu giaûm daàn Maõ soá

Traû lôøi caâu hoûi Câu 1: Muïc ñích saép xeáp caùc cöôøng ñoä maøu? Cöôøng ñoä maøu giöõa caùc maãu coù söï khaùc bieät roõ

raøng khoâng? Taïi sao?

...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... Câu 2: Saép xeáp daõy cöôøng ñoä maøu ñöôïc öùng duïng ñeå laøm gì?

...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ......................................................................................................................................

Câu 3: Maøu thöïc phaåm laø gì? Nguoàn goác? Maøu thöïc phaåm coù aûnh höôûng ñeán ngöôøi söû duïng

khoâng? Taïi sao?

...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ......................................................................................................................................

Baøi 2:

CAÙC PHEÙP THÖÛ PHAÂN BIEÄT

Thí nghieäm 1: Pheùp thöû so saùnh caëp Muïc tieâu: ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... YÙ nghóa thöïc teá: ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... Teân saûn phaåm: Hai maãu saûn phaåm coù kyù hieäu 204 vaø 782 ñöôïc giôùi thieäu, haõy neám laàn löôït vaø cho bieát maãu naøo ngoït hôn. Traû lôøi: Maãu ………………. ngoït hôn Nhaän xeùt: ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... Keát quaû ñaùnh giaù cuûa caùc thaønh vieân:

Soá laàn maãu ñöôïc ñaùnh giaù Maãu Ngoït hôn Nhaït hôn

204 782

Xöû lyù keát quaû: ........................................................................................................................................... ........................................................................................................................................... ...........................................................................................................................................

Hoï teân Sinh vieân:……………………………………………………………… Nhoùm: ……………………………….……………………… Buoåi:………………., Ngaøy thí nghiệm: ………………………………………………

GVHD ÑIEÅM

........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... Thí nghieäm 2: Pheùp thöû 2-3 (pheùp thöû duo – trio) Teân saûn phaåm: …………………………………………… Muïc tieâu: ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... YÙ nghóa thöïc teá: ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... Cho 2 maãu thöû coù maõ soá: 574; 471 vaø 1 maãu ñoái chöùng R.

Maõ soá maãu Maãu gioáng R 574 471

Nhaän xeùt: ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ......................................................................................................................................

...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... Traû lôøi caâu hoûi Câu 1: Pheùp thöû so saùnh caëp laø gì? Muïc ñích cuûa pheùp thöû so saùnh caëp? Töø muïc ñích naøy ruùt ra

ñöôïc keát luaän gì cho saûn phaåm caûm quan?

........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... Câu 2: Pheùp thöû naøy söû duïng bao nhieâu maãu nhieàu hôn coù ñöôïc khoâng? Taïi sao?

...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ......................................................................................................................................

Câu 3: Pheùp thöû 2 - 3 laø gì? pheùp thöû naøy xaùc ñònh bao nhieâu tính chaát vaø goàm nhöõng tính chaát

...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ........................................................................................................................................ Câu 4: Maãu R laø gì? Khoâng coù maãu R coù ñöôïc khoâng? Taïi sao?

...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ......................................................................................................................................

Baøi 3:

CAÙC PHEÙP THÖÛ PHAÂN BIEÄT

Muïc tieâu: ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... YÙ nghóa thöïc teá: ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ........................................................................................................................................... ...................................................................................................................................... Thí nghieäm 3: Pheùp thöû tam giaùc

Baïn seõ ñöôïc nhaän 3 maãu, hai trong soá chuùng hoaøn toaøn gioáng nhau. Haõy quan saùt maøu

nöôùc, ngöûi vaø neám ba maãu. Tìm ra maãu khaùc vôùi 2 maãu coøn laïi. Tiến hành 2 lần để có độ chính

xác cao.

- Maãu khoâng laëp laïi laø: ………………… - Söï khaùc nhau naøy theo baïn:

Raát deã o

Deã o

Töông ñoái deã o

Khoù o

Khoâng xaùc ñònh ñöôïc o

Hoï teân Sinh vieân:……………………………………………………………… Nhoùm: ……………………………….……………………… Buoåi:………………., Ngaøy thí nghiệm: …………………………………

GVHD ÑIEÅM

Bình luaän: ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ......................................................................................................................................

Xöû lyù keát quaû:

SỒ LẦN THỬ MẪU KHÔNG LẶP LẠI

........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ...........................................................................................................................................

Thí nghieäm 4: Pheùp thöû so haøng (xeáp thöù töï)

Muïc tieâu: ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... YÙ nghóa thöïc teá: ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... Teân saûn phaåm: Ngöôøi thöû seõ ñöôïc nhaän 4 maãu thöû ñaõ ñöôïc pha coù kyù hieäu: 368, 639, 548 vaø 945. haõy neám vaø saép xeáp chuùng theo cöôøng ñoä vò …………. töø cao xuoáng thaáp (4–3–2–1).

Baûng cöôøng ñoä giaûm daàn Maõ soá

Nhaän xeùt: ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ...........................................................................................................................................

........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ...................................................................................................................................... Xöû lyù keát quaû:

Vò trí xếp haøng cuûa caùc maãu Thaønh vieân 368 639 548 945

1 2 3 4 5 6 7 8 9

Toång ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ...........................................................................................................................................

........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... Traû lôøi caâu hoûi Câu 1: Pheùp thöû tam giaùc laø gì? Muïc ñích cuûa pheùp thöû tam giaùc?

...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... Câu 2: Pheùp thöû tam giaùc gioáng vaø khaùc gì vôùi pheùp thöû 2 - 3? Maãu nhö theá naøo thì neân söû

duïng pheùp thöû tam giaùc?

...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ......................................................................................................................................

Câu 3: Taïi sao tröôùc khi thöû maãu, ngöôøi thöû phaûi thanh vò? Nöôùc thanh vò laø nöôùc gì? Thanh vò

nhö theá naøo ñöôïc cho laø ñuùng phöông phaùp?

...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ......................................................................................................................................

Câu 4: Pheùp thöû so haøng laø gì? Pheùp thöû naøy söû duïng ñeå laøm gì? Khi caûm quan maãu, coù caàn

phaûi theo thöù töï ñaõ quy ñònh khoâng? Taïi sao?

...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ......................................................................................................................................

Baøi 4:

PHEÙP THÖÛ A KHOÂNG A (PHEÙP THÖÛ TÖÔNG HÔÏP)

Thí nghieäm: Pheùp thöû A khoâng A Muïc tieâu: ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... YÙ nghóa thöïc teá: ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... Cho 10 maãu thöû coù maõ soá: …………; ……….;……..;……….;………;………;………..;……….;………;……….vaø 1 maãu ñoái chöùng R. Ngöôøi thöû ñöôïc bieát maãu R tröôùc.

Maõ soá maãu

Gioáng maãu R (kyù hieäu X)

Nhaän xeùt: ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ...........................................................................................................................................

GVHD ÑIEÅM

........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... Xöû lyù keát quaû ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ...........................................................................................................................................

Traû lôøi caâu hoûi Câu 1: Pheùp thöû A khoâng A laø gì? Muïc ñích cuûa pheùp thöû?

........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... Câu 2: Pheùp thöû naøy söû duïng toái thieåu bao nhieâu maãu cho moät laàn thöû? Ít hôn coù ñöôïc khoâng?

Taïi sao?

........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... Câu 3: Pheùp thöû naøy gioáng vaø khaùc vôùi pheùp thöû 2 – 3 ôû ñieåm naøo? Taïi sao?

........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ...........................................................................................................................................

Baøi 5:

PHEÙP THÖÛ MOÂ TAÛ (PHÖÔNG PHAÙP XAÂY DÖÏNG PROFIL SAÛN PHAÅM)

Thí nghieäm: Pheùp thöû moâ taû Muïc tieâu: ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... YÙ nghóa thöïc teá: ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... Teân saûn phaåm:

SAÛN PHAÅM A SAÛN PHAÅM B Tính chaát SP

1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 Maøu vaøng Hình daïng Gioøn Muøi chaùy kheùt Muøi bô Saïn buïi Vò maën Vò ngoït Vò beùo Deã tan Haäu vò

...........................................................................................................................................

GVHD ÑIEÅM

........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... Đồ thị hoa gió:

Traû lôøi caâu hoûi Câu 1: Pheùp thöû moâ taû laø gì? Muïc ñích cuûa pheùp thöû moâ taû?

...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... Câu 2: Pheùp thöû naøy söû duïng toái thieåu bao nhieâu maãu cho moät laàn thöû? Ít hôn coù ñöôïc khoâng?

Taïi sao?

...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... Câu 3: Ñoà thò hoa gioù laø gì? Nguyeân taéc baét buoäc khi bieåu dieãn treân ñoà thò hoa gioù laø gì? Muïc

ñích cuûa nguyeân taéc ñoù?

...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ......................................................................................................................................

Baøi 6:

PHEÙP THÖÛ THÒ HIEÁU

Thí nghieäm: Pheùp thöû caëp ñoâi thò hieáu Muïc tieâu:

...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... YÙ nghóa thöïc teá: ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... Sau khi thöû 2 saûn phaåm, ngöôøi thöû seõ cho ñieåm theo söï öa thích:

Tính chaát saûn phaåm Ñieåm Maãu A Maãu B Cöïc kyø thích 9

Raát thích 8 Töông ñoái thích 7 Hôi thích 6 Bình thöôøng 5 Hôi chaùn 4 Töông ñoái chaùn 3 Raát chaùn 2 Cöïc kyø chaùn 1

GVHD ÑIEÅM

Baûng toång hôïp keát quaû cuûa caùc thaønh vieân:

Ñieåm maãu Soá thaønh vieân A B

Cheânh leäch ñieåm (d = A – B)

1 2 3 4 5 6 7 8 9

Toång TB

Traû lôøi caâu hoûi Câu 1: Pheùp thöû caëp ñoâi thò hieáu laø gì? Pheùp thöû naøy söû duïng nhaèm muïc ñich gì?

...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... Câu 2: Theo baïn vôùi pheùp thöû naøy neân choïn ñoái töôïng naøo ñeå caûm quan saûn phaåm? Taïi sao?

...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ......................................................................................................................................

Câu 3: Coù bao nhieâu saûn phaåm ñeå söû duïng trong pheùp thöû naøy, nhöõng saûn phaåm naøy laø saûn

phaåm môùi ñang ñöôïc nghieân cöùu hay saûn phaåm ñaõ coù maët treân thò tröôøng? Taïi sao?

...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ......................................................................................................................................

GVHD ÑIEÅM

Baøi 7:

PHEÙP THÖÛ THÒ HIEÁU (Tiếp Theo)

Thí nghieäm: Pheùp thöû cho ñieåm thò hieáu

Muïc tieâu: ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... YÙ nghóa thöïc teá: ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... Sau khi thöû 3 loaïi saûn phaåm, haõy xaùc ñònh cöôøng ñoä höông thôm cuûa moãi maãu theo thang

ñieåm.

MAÃU A MAÃU B MAÃU C Khoâng coù muøi thôm (0) Coù muøi thôm nheï (1) Muøi thôm nheï (2) Muøi thôm roõ (3) Muøi thôm maïnh (4) Muøi thôm raát maïnh (5)

Baûng toång hôïp keát quaû ñaùnh giaù cuûa caùc thaønh vieân:

Ñieåm Thaønh vieân Maãu A Maãu B Maãu C

Toång

1 2 3 4 5 6 7 8 9

Toång Trung bình

...................................................................................................................................... ...................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ...........................................................................................................................................

Traû lôøi caâu hoûi Câu 1: Coù toái ña bao nhieâu saûn phaåm ñeå söû duïng trong pheùp thöû naøy? Ít hôn coù ñöôïc khoâng?

Taïi sao?

...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... Câu 2: Pheùp thöû cho ñieåm thò hieáu laø gì? Muïc ñích cuûa pheùp thöû ruùt ra ñöôïc gì cho saûn phaåm?

Ñoái töôïng ñeå caûm quan?

...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... Câu 3: Pheùp thöû treân coù ñaùnh giaù ñöôïc heát baûn chaát cuûa saûn phaåm khoâng? Taïi sao?

...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ......................................................................................................................................

Hoï teân Sinh vieân:……………………………………………………………… Nhoùm: ……………………………….……………………… Buoåi:………………., Ngaøy thí nghiệm: ………………………………

GVHD ÑIEÅM

Baøi 8:

PHEÙP THÖÛ CHO ÑIEÅM THEO TIEÂU CHUAÅN VIEÄT NAM

Muïc tieâu: ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... YÙ nghóa thöïc teá: ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ........................................................................................................................................... ...........................................................................................................................................

Thí nghieäm: Pheùp thöû cho ñieåm chaát löôïng theo TCVN 3215-79 Baûng chæ tieâu saûn phaåm ñoái vôùi:…………………………………..

Chæ tieâu

Heä soá troïng löôïng

Ñieåm Moâ taû

5 4 3 2 1

0 5 4 3 2 1

Traïng thaùi

Phieáu cho ñieåm: Chæ tieâu Ñieåm Nhaän xeùt

Maøu Muøi Vò

Maãu coù maõ soá:

……………….. Traïng thaùi

Nhaän xeùt: ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... Phieáu keát quaû ñaùnh giaù caûm quani:

Ñieåm töøng thaønh vieân Chæ tieâu

Toång TB chöa coù troïng

löôïng

Heä soá troïng löôïng

TB coù troïng löôïng

Maøu Muøi Vò Traïng thaùi

Xöû lyù keát quaû ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ......................................................................................................................................

Traû lôøi caâu hoûi Câu 1: Pheùp thöû theo tieâu chuaån Vieät Nam laø gì? Pheùp thöû naøy söû duïng nhaèm muïc ñich gì?

Theo baïn vôùi pheùp thöû naøy neân choïn ñoái töôïng naøo ñeå caûm quan saûn phaåm? Taïi sao?

...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... Câu 2: Coù toái ña bao nhieâu saûn phaåm ñeå söû duïng trong pheùp thöû naøy, nhieàu hôn coù ñöôïc

khoâng? Taïi sao?

...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... Câu 3: Söû duïng caùc chæ tieâu caûm quan naøo? Ngoaøi nhöõng chæ tieâu ñoù coù theå theâm caùc chæ tieâu

khaùc ñöôïc khoâng? Taïi sao?

...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ......................................................................................................................................

...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... Câu 4: Heä soá troïng löôïng laø gì? Heä soá troïng löôïng laø soá cuï theå hay do töøng saûn phaåm maø coù

theå thay ñoåi ñöôïc? Taïi sao?

...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ......................................................................................................................................

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