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1·The theories of Dick and Coe-Clevenger were applied for design of gravitational sludge thickeners in waterworks based on the settling curve obtained by static settling experiment.

根据实测得到的静态沉降曲线讨论迪克理论和柯伊-克里维什理论在给水厂污泥重力浓缩池设计中的应用。

2·The settling test of influent sample was conducted in Xian No. 4 Wastewater Treatment Plant under construction. The settling curve of SS is obtained under different water depths and retention time.

通过对拟建中的西安市第四污水处理厂初沉池入流污染物的沉淀试验，得到不同水深和沉淀时间下的ss去除率曲线。

3·We measured data curve fitting, the establishment of time and displacement curve of the corresponding relationship between the judge and the settling time final settlement.

对实测数据进行曲线拟合，建立时间与位移量的变化曲线的对应关系，判断最终沉降量及稳定时间。