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Bailianjing River is an important tributary of Huangpu River; 1000 meters upstream its influx to Huangpu River will be set as a landscape river in Expo Site. So the water quality there is of great importance. History reference demonstrated that the river quality was heavily polluted by organic matters and nutrient salts, So the indicators of CODcr, BOD5, NH4+-N, NO3--N, NO2--N, total nitrogen (TN),...
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