【摘要】 目的　了解上海目前使用最普遍的国产燃油助动车尾气冷凝物中有机污染物的化学组成。方法　采用毛细管柱气相色谱—质谱联用技术 (GC/ MS) ,结合溶剂提取和柱色谱分离方法。结果　检出 2 38种有机化合物及其同分异构体。结论　结构简陋的二冲程单缸发动机对能源利用效率很低 ,其排放的尾气是对城市大气危害很大的重要污染源更多还原

【Abstract】 Objective To find out the organic pollutants in the haust condensate of domestic motorcycles combusting petroleum in Shanghai.Methods GC/MS coupled with solvent extraction and silica gel column chromatographic separation techniques were used.Results It was found that there were 238 kinds of organic compounds and isomers in the exhaust condensate.Conclusion The two stroke engine of simple construction has little efficiency in utilizing petroleum,and its exhaust gas is one of the most harmful source of pollution to atmosphere in this city.更多还原