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近期得到的高、中、低浓度挟沙水流统一挟沙力公式均以能量平衡为基础，公式都反映出紊动扩散作用与重力作用之比是决定挟沙力大小的最关键因素．利用实测的１８０ 多组资料对这些公式进行对比、验证，并对阻力系数的确定进行分析
The recently obtained formulas of sediment concentration of high, medium and low concentrations of sediment-laden water are all based on the energy balance. The formulas all show that the ratio of turbulent diffusion to gravity is the most crucial factor determining sediment-carrying capacity. Using more than 180 sets of measured data, these formulas are compared and verified, and the determination of drag coefficient is analyzed