光化学烟雾

Photochemical smog is found in many large cities all over the world.

光化学烟雾在世界各地的许多大城市里都有。

There are increasing concerns on the air pollution caused by photochemical smog in cities.

城市的光化学烟雾引起的大气污染越来越引起人们的关注。

Ozone at ground level - not to be confused with the ozone layer in the upper atmosphere - is one of the major constituents of photochemical smog.

与高层大气臭氧层不同的是，地面的臭氧是光化学烟雾的一个主要组成部分。

Photochemical ozone and smog are created as nitrogen oxides and hydrocarbons react to sunlight.

光化学烟雾的臭氧和氮氧化物和碳氢化合物在阳光下产生的反应。

Using the model and monitored data for photochemical smog in Xigu industrial area of Lanzhou city for 6 days of August, 1983, the numerical simulation was run.

我们用此模式计算了1983年8月中旬兰州市西固地区的光化学烟雾浓度。