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北京市交通路口大气颗粒物污染特征研究(Ⅲ)——大气颗粒物中多环芳烃污染特征

王 玮 岳 欣 陈建华 李 红 刘红杰 汤大钢

王 玮, 岳 欣, 陈建华, 李 红, 刘红杰, 汤大钢. 北京市交通路口大气颗粒物污染特征研究(Ⅲ)——大气颗粒物中多环芳烃污染特征[J]. 环境科学研究, 2005, 18(2): 43-47.
引用本文: 王 玮, 岳 欣, 陈建华, 李 红, 刘红杰, 汤大钢. 北京市交通路口大气颗粒物污染特征研究(Ⅲ)——大气颗粒物中多环芳烃污染特征[J]. 环境科学研究, 2005, 18(2): 43-47.
WANG Wei, YUE Xin, CHEN Jian-hua, LI Hong, LIU Hong-jie, TANG Da-gang. Pollution Property of Particulates in the Air at the Traffic Crossing in Beijing Part Ⅲ: Pollution Property of PAHs in the Particulates in the Air[J]. Research of Environmental Sciences, 2005, 18(2): 43-47.
Citation: WANG Wei, YUE Xin, CHEN Jian-hua, LI Hong, LIU Hong-jie, TANG Da-gang. Pollution Property of Particulates in the Air at the Traffic Crossing in Beijing Part Ⅲ: Pollution Property of PAHs in the Particulates in the Air[J]. Research of Environmental Sciences, 2005, 18(2): 43-47.

北京市交通路口大气颗粒物污染特征研究(Ⅲ)——大气颗粒物中多环芳烃污染特征

基金项目: 国家科技基础条件平台项目(2003DEB5J059);科技部社会公益研究专项(2002DIA20012)

Pollution Property of Particulates in the Air at the Traffic Crossing in Beijing Part Ⅲ: Pollution Property of PAHs in the Particulates in the Air

  • 摘要: 研究了北京市典型交通路口大气颗粒物中多环芳烃的污染特征及影响因素.于2000年6月在北京市主要交通路口之一的崇文门路口采集大气中TSP,PM10和PM2.5样品,并进行样品中ρ(PAHs)的分析及机动车流量调查.研究结果表明:机动车排放是交通路口大气颗粒物中PAHs的首要来源;多环芳烃在粒径较小的粒子中比例较高;白天ρ(PAHs)随机动车流量的增加而增加,夜晚ρ(PAHs)高于白天;污染源识别表明,交通路口大气颗粒物中的多环芳烃除主要来源于机动车尾气排放外,还有一部分来源于道路扬尘.

     

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出版历程
  • 收稿日期:  2004-10-08
  • 刊出日期:  2005-04-25

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