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- W2371754722 abstract "The contents of major elements Fe,Ca,Mg,K and heavy metals Cu,Pb,Zn as well as pH value in the dusts were measured,based on sampling investigating of road dust in 12 representative parks in Beijing.The results indicate that the road dusts and topsoils are very similar in Fe,Ca,Mg,K contents and pH value and similar in character,and that Cu,Pb and Zn have accumulated in the road dusts,especially for Pb and Zn.The comprehensive pollution indexes of the parks located in downtown areas are larger than those of the parks in suburbs generally,and the highest value occurs in Jingshan Park.The result of the cluster analysis shows that the contents of Cu,Pb and Zn in road dusts have close relations with the traffic circumstances of the parks.The relative coefficients of the contents of Cu,Pb and Zn indicate that they have close relationship.The accumulation of Cu,Pb and Zn in road dusts may mainly come from traffic sources." @default.
- W2371754722 created "2016-06-24" @default.
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- W2371754722 date "2004-01-01" @default.
- W2371754722 modified "2023-09-30" @default.
- W2371754722 title "Cu,Pb,Zn Contents in Road Dusts in Parks and Their Pollution Assessment in Beijing" @default.
- W2371754722 hasPublicationYear "2004" @default.
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