共 3 条
[1]
Direct measurements of atmospheric CH2O, HNO2, O3 and SO2 by differential absorption inthe near UV. Platt U,Perner D. Geophysical Research Letters . 1980
[2]
Non-dispersive infrared gas analysis is has benefited from technical development in recent years. Smith I E. Laboratory Practice . 1992
[3]
Simultaneous measurements of atmospheric CH2O, O3 and NO2 by differential optical absorption. Platt U,Perner D. Geophysical Research Letters . 1979