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- W2381763886 abstract "Indoor and outdoor PM2.5 samples in 9 residences of Guangzhou city were collected.Eighteen element components in PM2.5 sampled were determined,pollution level and distribution characterization of elements were analyzed and discussed,and sources of elements were typed.It was found that in Guangzhou,element pollution in PM2.5 was relatively severe;the mass concentrations of elements showed spatial distribution between different type of residences;the mass concentrations of most of the elements were higher in summer than in winter;the ratios of indoor element mass concentration to the outdoor ranged from 0.4974 to 2.0497;and that by the relationships between indoor and outdoor element concentrations,indoor air were influenced by outdoor air,and the influence extent in winter was stronger than that in summer.Based on Enrichment Factor analysis,the elements such as Se,As,S,Pb,Br,Zn and Cl were highly enriched,and the elements including Ni,V and Cu were moderately enriched,implying that they mainly originate from anthropogenic sources,while the elements such as Cr,Sr,K,Mn,Ca and Ti were not enriched,and they originate from natural sources." @default.
- W2381763886 created "2016-06-24" @default.
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- W2381763886 date "2007-01-01" @default.
- W2381763886 modified "2023-09-24" @default.
- W2381763886 title "Characterization and Source of Element Components in Indoor and Outdoor PM_(2.5) During Summer and Winter in Guangzhou City" @default.
- W2381763886 hasPublicationYear "2007" @default.
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