实验观测了射流局部达到冲刷平衡时，最大冲刷深度随射流喷口高度、喷口宽度、喷口流速、横流流速及泥沙特性变化的规律。
The variations of the local scour equilibrium depth with the parameters of the jet, such as jet exit height, width, velocity and sediments characteristics, were observed in the experiments.
通过沙量平衡分析方法，沉积泥沙存蓄变化量是造成尺度效应的重要因素之一。
Based on the analysis of the sediment balance, the change of sediment deposit is one of the important factors for scale effect.
从而从这些有缺陷的能量平衡方程所得到的一些泥沙运动理论，如输沙强度、动床阻力等，就难免在理论上存在一定的不足。
Therefore, some sediment transport theories derived from these energy balance equations of sediment-laden flow, such as sediment transport intensity, resistance in movable bed, etc.
由于湾内泥沙供应量的减少，连云港仍将维持冲淤相对平衡的状态。
With the decrease of sediment supply, the sedimentation and erosion of Lianyungang Harbor will keep balanced. On this basis, t…
基于任意面上非粘性沙颗粒的受力分析，考虑了非平衡条件，推导了更具普遍性的泥沙输移矢量式。
Based on the analysis of non equilibrium forces acting on a non cohesive particle, the general vectorial equation of bedload transport is derived.
基于泥沙运动的起动和止动条件分析了悬移质泥沙和床沙交换的内在机理，并根据这一机理推求了冲淤平衡状态下悬移质挟沙力级配的计算公式。
In terms of this mechanism, the calculation formula for the suspended load sediment-carrying capacity graduation under the balanced state of silting and scoring is deduced.
因此，其整治水位与整治线宽度的确定，是与悬移质泥沙冲淤平衡的挟沙力所决定。
Therefore, the width of regulation line and the water level are depended on transport capacity.
库区泥沙淤积再造床过程，既具有不平衡性，又具有趋向于建立平衡状态的双重特性。
The process of bed-rebuilding caused by the sedimentation in a reservoir has dual behavior of non-equilibrium and as well as of tending to establish equilibrium.
河床冲淤相对平衡下的洪水分组含沙量阈值是多泥沙河流水沙调控的重要参数。
The study on the threshold of flood grouping sediment content and incoming sediment coefficient is based on the more 200 flood data measured in the lower Yellow River.
并进行多组冲刷数值实验，分析泥沙冲刷过程，总结出一套冲刷平衡深度经验公式。
Groups of scour experiment were took and the process of scour was analyzed. Finally, a empirical formula about scour deep was concluded.
并进行多组冲刷数值实验，分析泥沙冲刷过程，总结出一套冲刷平衡深度经验公式。
Groups of scour experiment were took and the process of scour was analyzed. Finally, a empirical formula about scour deep was concluded.
应用推荐