photochemical smog造句怎么写

An air quality simulation model-column model for describing photochemical smog pollution at Xigu district in Lanzhou has been developed.

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.

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

The term photochemical oxidants refers to the secondary pollutants formed in photochemical smog.

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.