Considering for the different sources of these samples, the emission character of atmospheric NMHC is analysed, from which the typical NMHC species in atmosphere of Yanshan is estimated.
It is revealed by a great amount of test and research work that there is a significant effect of atmospheric temperature and atmospheric pressure on Diesel engine smoke emission.
通过大量的试验研究，发现大气温度和大气压力对柴油机烟度排放有很大的影响。
3
The direct relationship between total amount of pollution emission and environmental atmospheric quality was been established with the Gauss smoke flowage mode.