Using the Le’an River sediment as the test sediment in the flume and the dechlorinated tap water as the test water, the Cu, Zn, Cd, and Pb concentration changes in the sediment under different flow rates were analyzed to establish Cu, Zn, Cd and Pb with a fitting error within 15% The relationship between the Zn, Cd, and Pb emission flux (y) and the flow velocity (x) is to judge the reliability of the conclusion, and then the experimental results are verified outdoors.
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