【摘要】 在对兰州市机动车保有量、主要干线车流量、车型比例及固定源污染状况详细调查的基础上 ,通过较为科学的方法计算了兰州市机动车尾气排放分担率 ,并在此基础上分析了治理汽车尾气污染对兰州市大气环境的影响 ,从而为有关部门的管理和决策提供了有力的依据更多还原

【Abstract】 Based on the full and accurate survey of the containment of motor vehicle,traffic current of main artery,the proportion of all kinds of vehicle type,as well as the pollution status of stationary sources,this article calculates the partition rate of exhaust gas discharged by motor vehicle in Lanzhou City,and further analyzes the influence on the gas environment of Lanzhou to treat the car’s exhaust gas.So this article offers a potential foundation for the administration & policy-making of departments concerned.更多还原