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Discussion on the Origin of Heavy Metals and Evaluation of Water Environment Quality in Mianyuan River, Sichuan Province
详细信息   
摘要

By systematically studying the water system of the Mianyuan River in Tuojiang Valley, the heavy metal pollution conditions in each stream segment of the Mianyuan River were evaluated synthetically. The results showed that the contents of heavy metals comply with the sanitation standard of potable water, and the principal sources of heavy metals in the Mianyuan River are the phosphorous chemical industry, leaching and weathering of phospherate rocks, agricultural fertilizers and so on.

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