阜新市机动车尾气污染物排放现状分析

文中对阜新市的机动车尾气监测结果进行了统计分析，结果表明，汽油机动车一氧化碳排放浓度平均值为1．2％，碳氢化合物排放浓度平均值为355．0ppm；汽油机动车尾气排放超标率为6．09％；不同车型的统计结采表明，一氧化碳和碳氢化合物排放浓度平均值；柴油机动车的烟气黑度平均值为3．87，柴油机动车尾气排放超标牢为24．11％，明显高于汽油机动车（6．09％）；柴油机动车不同车型的统计结果表明，烟气黑度平均值，轿车〈货车〈客车。排放尾气的烟气黑度超标率为轿车〈客车〈货车；相关分析结果表明，汽油机动车尾气中一氧化碳排放浓度与碳氢化合物排放浓度有极显著的正相关，轿车、客车、货车的相关系数分别为0．5518、0．4059、0．4714。

Status and Analysis of Automobile Exhaust Gases Emission in FuXin

An analysis of monitoring on automobile motor vehicle exhaust emission was performed,the results shows that 1: the mean value of CO concentration,that of hydrocarbon for gasoline were 1.2%,335.0 ppm respectively,the percentage of in excess of standard is 6.09%,and the sequence of mean value of CO and hydrocarbon for different model car follows saloon car passenger truck,and 2: the mean value of blackness degree for diesel vehicles were 3.87 for Ringelman's smoke chart,the percentage of in excess of standards on tail gases was 24.11%,it means that the percentage of in excess standards for gasoline vehicles is higher than that for diesel one(6.09%),the blackness degree of tail gases and the percentage of in excess related standards for different models of diesel vehicles follows as saloon car passenger car truck.3:the analysis of correlation between gasoline vehicles and diesel vehicles in excess of standards on CO and hydrocarbon emission control shows that an obvious positive correlations lies between gasoline and diesel vehicles for different models of cars and the coefficient of correlations for saloon car,passenger car and truck were 0.551 8,0.405 9,0.471 9 respectively.