长春市大气中NOx污染现状和机动车排放污染分担率研究

JOURNAL OF JILIN UNIVERSITY(EARTH SCIENCE EDITION)(2005)

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Abstract
在分析长春市大气环境中NOx 污染源与浓度时间变化规律的基础上,对机动车尾气NOx 排放总量分担率、不同车型NOx 排放量分担率和NOx 浓度分担率进行了量化研究.结果表明,长春市机动车尾气NOx 排放总量分担率为34.8%,且呈逐年上升的趋势;重型柴油车和中型汽油车的分担率较高,居前两位;NOx 浓度分担率为38.41%,接近全国大型城市水平,市中心区域分担率水平很高.
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Key words
automotive exhausts,pollution status,share rate
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