A modal analysis system for light truck exhaust gaspollutant has been developed.
研制了一种轻型汽车排气污染物模态分析系统。
2
Differential optical absorption spectroscopy (DOAS) makes use of the flue gaspollutant different optical absorption characteristic at the UV-VIS wave band to measure their average concentration.
差分吸收光谱法是利用气体污染物在UV - VIS波段对光有不同的吸收特性来测量其平均浓度。
3
Reducing soot (and also ozone, an industrial pollutant that ACTS as a greenhouse gas) would not stop the summer sea ice disappearing, but it might delay the process by a decade or two.