The flow regime, sediment deposition and the loss of head of two head tanks of the sewage pumping station with different dimensions are studied by using a hydraulic model test method.
采用水力模拟的方法对两个不同结构尺寸的污水泵站高位井的水流流态、泥沙淤积及水头损失等进行了模型试验。
A group of equations is solved for an example, the translation from nonlinear dynamic system in two dimensions to a circle mapping is discussed, and the effectiveness of the method is also showed.
本文用一个特例解出方程组，说明了二维线性动力系统向圆映象的转换，并且表明了这种方法的有效性。
According to the theory and method of particle flow code in two dimensions (PFC2D), the block caving law of natural caving mining method was investigated.
以自然崩落采矿法为研究对象，利用二维颗粒流数值模拟(PFC2D)的原理和方法，研究了自然崩落法矿体崩落规律。
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