路面径流污染物排放不符合冲刷模型描述的排污规律。
Pollutant discharge of urban road runoff does not follow the regulation of Wash off model.
通过建立一个垂直二维紊流模型来模拟管道周围流场。建立泥沙冲刷模型来模拟海床底面变化。
A vertical two-dimensional flow model is developed to model the current around pipeline. A scour model is developed to model the change of bed level.
应用建立的水沙数学模型以及河岸冲刷模型，模拟了一概化弯道在持续清水冲刷下的主流线位置、断面形态、主槽比降的变化过程，模拟结果符合弯道演变规律。
The model is applied to forecast the variation process of main stream direction, cross section and channel slope of a conceptualized curved river under the erosion of clear water.
该模型能同时对河床冲刷深度及粗化稳定级配进行计算。
The model can calculate scour depth of riverbed and armoring steady graduation simultaneously.
建立了库岸冲刷塌岸的预测模型，并进行了预测；
Then, the prediction model of bank scour is established and used.
数值计算结果表明，该模型在定性上能正确地模拟水流以及河床的冲刷、淤积过程。
The result shows that the flow field and the process of riverbed erosion and deposition can be simulated qualitatively by this method.
数值实验表明，该模型能正确地模拟山区河流复杂的水流以及河床的冲刷、淤积过程。
The results show that the flow field and the process of riverbed erosion and deposition in mountain river can be simulated correctly by this method.
实验段采用壳管式换热器模型，沿长度方向用三块折流板将管束分成四个冲刷流程。
A tube shell heat exchanger model was used to serve as the test section, devided into four crossing paths by three baffles along its length.
本文根据桥渡冲刷理论，应用结构可靠度计算方法中的验算点法，建立了桥渡冲刷可靠度计算的数学模型，并给出了具体算例。
Based on the theory of bridge crossing scour, the reliability calculation model is established with checking point method, and the model is tested by the sample bridge crossing.
针对群桩墩处河床局部冲刷的复杂性，运用正态动床物理模型较好地预测了桥墩附近河床局部冲刷，并获得了现场监测结果的验证。
According to the local scouring around the pile foundation of the pylon, a normal movable-bed physical model test is conducted to predict the local scouring and is verified by the field measured data.
首先建立了一维数学模型研究顺直河道的河床冲刷及河床粗化过程。
ID numerical model is developed to simulate degradation and armoring process in alluvial channels.
提出了一个研究波和流联合作用下大直径圆柱的局部冲刷问题的新模型。
The new model for studying the partial erosion of large diameter cylinder by the joint action of wave and current was proposed in the apaer.
为了计算降雨引起的坡面黑土层侵蚀厚度，建立了坡面变形(冲刷厚度)的数学模型。
In order to calculate the black soil erosion thickness by slope erosion under rainfall. The mathematical model which can forecast the deforming of the slope was builded.
为了计算降雨引起的坡面黑土层侵蚀厚度，建立了坡面变形（冲刷厚度）的数学模型。
The mathematical model which can forecast the deforming of the slope was builded.
为研究新型板桩潜坝导流功效与局部冲刷问题，进行了针对性的动床模型设计。
A movable bed model test was carried out to study the flow diversion efficiency and local scour of a new-type submerged spur of sheet piles.
为了调整上荆江河势及预测三峡工程兴建后上荆江河势变化趋势，分阶段进行了上荆江实体模型河势调整试验和河床冲刷试验研究工作。
In order to adjust Upper Jingjiang stretch fluvial regime and predict its change tendency after completion of TGP, a physical model study on Upper Jingjiang stretch was carried out at various stages.
与模型试验结果相比，经验公式计算的冲刷量偏大。
Compared with the results of model test, the outcome calculated by experiential formula is on the high side.
以现场天然沙为试验床质，利用系列模型，采用不规则波与潮流相结合的方式，对江苏LNG接卸站人工岛周围的冲刷情况，进行了系统试验。
Systematic tests are carried out to study the erosion of the man-made island of the Jiangsu LNG Terminal with irregular waves and tidal currents by using natural sand in the model.
以现场天然沙为试验床质，利用系列模型，采用不规则波与潮流相结合的方式，对江苏LNG接卸站人工岛周围的冲刷情况，进行了系统试验。
Systematic tests are carried out to study the erosion of the man-made island of the Jiangsu LNG Terminal with irregular waves and tidal currents by using natural sand in the model.
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