空氣中CO濃度換算100 ppm相當於濃度0.01% ... 1 ppm = 1 mg/(1kg/(1.292 kg/m^3)) = 1.292 mg/m^3 = 1.292 mg /(1.250 ... 1.0e-6 atm = 0.967 ppm ...
確定! 回上一頁