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从三个方面，即泥沙颗粒本身的性质，污染水体中泥沙运动特点如污水氧化塘中的泥沙运动、河口段的泥沙运动，天然水体中污染物如重金属、难降解有机污染物、营养性污染物和油污染物迁移转化、归宿现象，阐述了将环境科学主要是水环境化学、环境地球化学、水化学和水利工程科学主要是水力学、泥沙运动力学结合起来研究水环境问题的重要性和必要性。
From three aspects, namely, the nature of sediment particles, the characteristics of sediment movement in polluted water bodies such as sediment movement in sewage oxidation ponds, sediment movement in estuaries, pollutants in natural water such as heavy metals, refractory organic pollutants , Nutrition pollutants and oil pollutants migration and transformation, the phenomenon of fate, elaborated the environmental science is mainly water environment chemistry, environmental geochemistry, water chemistry and hydraulic engineering science is mainly hydraulic, sediment movement mechanics to study the water environment The importance and necessity of the problem.