Evaluation of impact factors on PM2.5 based on long-term chemical components analyses in the megacity Beijing, China
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- 作者：Yuan Chena ; yuan.chen@kit.edu" class="auth_mail" title="E-mail the corresponding author ; Nina Schleichera ; Kuang Cenb ; Xiuli Liub ; Yang Yub ; Volker Zibatc ; Volker Dietzed ; Mathieu Frickerd ; Uwe Kaminskid ; Yizhen Chene ; Fahe Chaie ; Stefan Norraa ; f ; g
- 关键词：Urban aerosol ; PM2.5 ; Chemical compositions ; Gallium ; Mitigation measures ; Megacity
- 刊名：Chemosphere
- 出版年：2016
- 出版时间：July 2016
- 年：2016
- 卷：155
- 期：Complete
- 页码：234-242
- 全文大小：1582 K
文摘
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Chemical components of aerosol particulates were analyzed in Beijing for nine years.
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Different sources of PM2.5 were defined by principle component analysis.
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The influences of mitigation measures on air quality were quantified and evaluated.
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For the first time, gallium (Ga) was used as a tracer for coal combustion in China.