论文部分内容阅读
在我国大中城市中,汽车尾气污染几乎弥漫了大街小巷,成为影响人民生活、健康的大敌。除了人们肉眼可见的汽车扬尘污染外,那些不可见的汽车尾气污染问题更为突出。居住在公路边的人们时刻受到那种难闻的刺鼻怪味的“熏陶”,这就是汽车废气中的一氧化碳、碳氢化合物、氮氧化物、铅、烟尘和苯并(a)芘等近百种有害物质。
In our cities, automobile exhaust pollution is almost filled the streets, become the enemy of life and health. In addition to people visible dust emissions from the car, those invisible car exhaust pollution problems are more prominent. People living along the road are always subject to the unpleasant pungent smell of carbon monoxide, hydrocarbons, nitrogen oxides, lead, soot, and benzo (a) pyrene in automobile exhaust Hundreds of harmful substances.