Jinshu Chen

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This paper focus on the pollution of urban topsoil. We sample from different functional areas of the urban, select 329 samples for the study, analyze the spatial distribution of the heavy metal elements As, Cd, Cr, Cu, Hg, Ni, Pb, Zn and the degree of pollution in different areas of the urban and judge the source of the heavy metal pollution of the urban by(More)
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