采用鼠伤寒沙门氏菌Ames试验和V_(79)细胞微核试验,对国产及进口有代表性的5种牌号助动车尾气排出颗粒物进行分析,为制订相应的卫生标准提供依据。 样品来源:选用永久(912型)、火鸟、飞利浦、霸伏(意大利)、汤姆斯(美国)5种国产及进口车型,使用年限、运行里程及保养情况基本一致。采用大流量空气采样器(1m~3/min),分别在助动车怠速及加速情况下抽 Salmonella typhimurium Ames test and V_ (79) cell micronucleus test were used to analyze the emission of particulate matter from the domestic and imported representative five brands of motor vehicle tail gas to provide the basis for formulating the corresponding health standards. Sample Source: Choose five kinds of domestic and imported models of permanent (912), Firebird, Philips, Pavotu (Italy), Thomas (United States), the service life, mileage and maintenance are basically the same. Using a large flow air sampler (1m ~ 3 / min), respectively, in the idling and speeding up the case