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为了掌握水库水体的质量动态，用理想混合器水质模型对水质参数（月平均自净化系数Ｋｉ及其相应的月平均浓度Ｃｋｉ等）进行了计算。该模型是在水库水体稳定和非稳定条件下，对库中非守恒污染物平衡微分方程积分而得。与其他混合物公式相比，该模型提高了计算精度且简化了方法。通过计算１９８９年实测的扎戈尔抽水蓄能电站蓄水池年动态ＢΠＫ５，验证了该模型的精确性。
In order to grasp the quality of reservoir water quality, the water quality parameters (monthly average self-purification coefficient Ki and its corresponding monthly average concentration Cki, etc.) were calculated using the ideal mixer water quality model. The model is derived from the equilibrium differential equations of nonconservative pollutants in the reservoir under the condition of stable and unstable reservoir water. Compared with other mixture formulas, this model improves the calculation accuracy and simplifies the method. The accuracy of the model is verified by calculating the annual dynamic BΠK5 of the Zagor pumped-storage power station in 1989.