Ch5.CS Ben Ngoai

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    6. CHIU SNG NGOI TRIChiu sng ngoi tri bao gm

    CHIU SNGBN NGOI

    GIAOTHNG

    KINTRC

    THTHAO

    ngph

    Snga,

    Bincng

    Cngtrnh

    Tngi

    Trnkhng

    Mtt

    Tnhiu

    Vi

    Phunnc

    Cyxanh

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    6.2. CHIU SNG NG PH6.2.1 Chc nng ca chiu sng ng ph

    6.2.2 Yu cu ca chiu sng ng ph

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    6.2.3. Cc thng s hnh hc ca CS ng ph

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    6.2.3. Cc thng s hnh hc ca CS ng ph

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    6.2.4. PP b tr n CS ng ph

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    Chiu sng ng hp khng ckh nng b tr ct n

    Chiu sng ng c nhiu cyxanh hai bn ng

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    6.2.5. Tnh ton chiu sng ng ph

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    6.2.4. Tnh ton chiu sng ng ph

    G

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    6.2.5. Cc ch tiu KT ca CS ng ph

    1. ri E (lx)

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    ri trung bnhtrn mt ng

    S 50m nmin = 10 im, mmin = 5 im;

    S > 50m nmin cn o tho mn d 5m

    n

    m

    LI TNH TON V O RI

    (CIE - 1976A)

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    2. chi L (Cd/m2)

    Theo nh lut Lambert:

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    2. chi L (Cd/m2)

    LI TNH TON V O RI

    (CIE - 1976A)

    S 50m nmin = 10 im, mmin = 5 im;

    S > 50m nmin cn o tho mn d 5m

    nm

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    3. H s ng u ca chi

    L i lng dng nh gi mc ng u nh sngtrn mt ng

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    3. H s ng u ca chi

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    3. H s ng u ca chi

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    4. Ch s kim sot chi la GCc dng chi la

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    4. Ch s kim sot chi la G

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    Ch s kim sot chi la G:

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    4. Ch s kim sot chi la G