[Contribution Assessment of Meteorology Conditions and Emission Change for Air Quality Improvement in Beijing During 2014-2017].

Xiao-Mei Yin,Zi-Ming Li,Ya-Jun Xiong,Lin Qiao,Yu-Lu Qiu,Zhao-Bin Sun,Xing-Xia Kou

Huan jing ke xue= Huanjing kexue（2019）

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摘要

During 2014-2017, the number of haze days and air pollution days declined year by year obviously in Beijing. The average mass concentrations of PM 2.51022-1-12.5

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关键词

K-nearest neighbor(KNN),air pollution,contribution,emission,meteorological conditions,support vector machines(SVM)

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