23.70公斤7小時= ?mg/min

詳解 (共 2 筆)

yih4200
yih4200
詳解 #5636924
2022/10/16
70X1000/7=10000 1000...
(共 45 字，隱藏中）
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恐虐狂戰士
恐虐狂戰士
詳解 #5314215
2022/01/19

解答:

mg/m3 = (ppm×氣狀有害物之分子量(g/gmole) ÷24.45

=ppm*M/24.45

70kg/7hr=(70*1000)/(70*60)

=70000g /60 min

=1166.67 g/min

mg=毫克=0.001g=1/1000g,

1g=1000mg

1166.67 g/min

=1166.67*1000

=1,166,666.67