Vehicle emission is one of the main atmospheric polluters.
2
分析了大气边界层扩散条件、大气污染源分布及预测、大气污染现状。
The paper analyses the diffusion conditions of air boundary layers, the distribution and forecast of source air pollution and the current situation of air pollution.
3
目的根据区域大气污染源分布研究确定区域大气污染物历史暴露浓度,确定健康调查工作范围。
Objective to study distribution of air pollution source, determine the historical exposure concentration of air pollution in the region, and assure the work scope of health investigation.