汽车废气排放的成因、危害与对策

汽车在大量消耗资源的同时，其排放的尾气会严重地影响人类的健康。随着国家一系列强制性法规的出台，更多人开始关注汽车的尾气问题。阐述了汽车排放污染物的主要成分、汽油车尾气排放的成因及危害和柴油车排放碳烟的生成机理；指出了废气污染物的生成及其影响因素，同时提出了内燃机排放的采样方法及防止汽车尾气超标的对策。

Causes, harms, and countermeasures of automobile exhaust discharge

Automobile consumes substantial natural resources, meanwhile its exhaust discharge can seriously affect human health. With a series of mandatory regulations introduced in China ,more people begins to pay attention to the issue of automobile exhaust. Major components of automobile exhaust , causes and harms of gasoline car exhaust discharge, and formation mechanism of carbon smoke in diesel vehicle were expouded in detail. Causes and effect factors of exhaust pollutants were pointed out, at the same time internal combustion engine emissions sampling method and prevent excessive automobile were put forward.