はじめに3 北海道新幹線の整備効果 163分短縮 165分短縮 163分短縮...
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6 12 → 3 27
5 32 → 2 49
5 06 → 2 18
3 30 → 1 13
2
2
50 50
https://www.mlit.go.jp/sogoseisaku/region/recycle/d11pdf/recyclehou/manual/sizenyuraimanyu_zantei_honbun.pdf
0.032 0.38 mg/L ( ( 2 4 10 ) ) 0.001 0.010 mg/L ( (H30) )
46
9
0.015 mg
1 . 3 0.00038 = 1/2500
6
10
70 1 100mg 6 200mg 365
mm
mm
1270
= 50mg÷ 190mg/ kg 260,000mg
= 100mg÷ 190mg/kg 520,000mg
1 100mg 200mg
= 50mg÷ 1.9mg/L 26L
= 100mg÷ 1.9mg/L 52L
2L
190mg/kg
2018 0.008mg 0.008mg×190mg/kg 0.00000152
50mg÷0.00000152mg/ 33,000,000
100mg÷0.00000152mg/ 66,000,000
20
20
50kg 50mg 100mg
14
• • • • 1
• •
14
21 E A D
2
NTT
• pH)
•
•
•
20m
2020 9 11 0.8 2.0m
NTT
25
pH 2020 9
NTT
26