探讨了与泥沙运动有关的五个基本问题。
Five basic problems, which relate with sediment transport, have been discussed.
目前的泥沙运动是由波浪和潮流共同作用引起的。
The sediment movement is caused by the general actions of wave and tide.
冲积河流阻力是泥沙运动力学中的一个重要问题。
Alluvial channel resistance is one of the most important issues in sediment transport mechanics.
当水流速度小于相应的起始运动时，将无泥沙运动。
When flow velocity decreases below the corresponding incipient motion condition, no sediment movement occurs.
试验研究了废黄河竖井双层涵洞输送水流和泥沙运动特性。
Water transportation and sand movement characters in the shaft double layer culvert are studied in this article.
本文研究了九龙江河口湾的泥沙运动特点与沉积动力机制。
Silt movement and its deposition dynamic mechanism in the Jiulongjiang Estuary were studied in the paper.
模型设计考虑了几何相似，水流运动相似和泥沙运动相似。
Si milarities in geometry, flow motion and sediment transport are considered in model design.
因而进一步展开对泥沙运动及分布问题的研究是非常必要的。
So, it is necessary to further study movement and distribution of sediments in the flow.
在静水中的泥沙沉速，是研究泥沙运动规律时的一个重要指标。
The settling velocity of sedimentary particles in still water is an important index in the study of the mechanics of sediment motion.
泥沙运动的性质取决于颗粒的大小、形状和比重并与流速和紊动有关。
The nature of sand movement depends on the particle size, shape, and specific gravity in respect to the associated velocity and turbulence.
在此基础上开展了典型水沙条件下黄河河口泥沙运动规律的模拟研究。
On this basis, the model is applied to study the movement of sediment in the estuary of Yellow River under typical flow and sediment condition.
文中根据泥沙运动统计理论进一步阐述和验证了泥沙起动的统计规律。
According to the statistical theory of sediment transportation the statistical characteristics of incipient sediment motion is further described.
挟沙水流的运动规律是泥沙运动力学中最基本、最重要的研究课题之一。
The mechanics of sediment-laden flow has been one of the most important subjects in hydraulics and river dynamics.
海滨地区广泛存在涡动沙纹，它很大程度上决定着波浪衰减和泥沙运动。
Vortex ripples widely exist in coastal area and greatly control the attenuation of wave and movement of sediment.
本文利用现场实测资料，对抛泥区的潮流特征、泥沙运动规律作以分析研究。
Making use of measured data in-situ, this paper carried out analysis and investigation on the tidal current characteristics in spoil area and the regularity of sediment motion.
本文从理论上分析了平流直线型顺坡及逆坡沉沙池的水流特性及泥沙运动过程。
The hydraulic properties and the course of sediment movement in settling basins of straight-line type with positive or reverse gradient slope are deseribed.
可变坡水槽作为研究水流及泥沙运动特性和水力学实验的一种设备已被广泛应用。
The slope changeable channel is widely-used as an effective laboratory equipment in the research of flow and sediment movement.
本文基于两相流和泥沙运动力学理论，利用相间滑移考虑固相泥沙的重力沉降效应。
In this paper, the authors analyze the vertical settlement effects of the solid-phase by the slip movements between phases based on the two-phase flow theory and the sediment kinetic theory.
尽管受到注意，但床面现象及其对泥沙运动的关系的基本理解却仅有不太显著的进步。
Despite this attention; only modest progress has been made in the basic understanding of the bed phenomena and their relation to sediment movement.
提出了海岸泥沙运动中均匀沙和非均匀沙输沙率推悬比和航道淤积推悬比的计算方法。
A method is proposed for calculating the bed suspended load ratio of transport rate both uniform and non uniform sand in coast sediment movement as well as for calculating that of channel deposition.
运用水力学、泥沙运动力学及相似理论，对平流式沉沙池进行了浑水水力模型试验研究。
According to hydraulics, sediment dynamics and similarity theory, a hydraulic model for a horizontal-flow sand basin was designed.
黏性泥沙絮团的形成机理和沉降特性对河口海岸细颗粒泥沙运动规律研究具有重要作用。
The complicated fractal flocculation processes and settling behavior of cohesive sediment are very important to understand the cohesive sediment transport in estuaries and along coasts.
本文以一港口物理模型试验为实例说明模型沙选择和布置模型沙对模拟泥沙运动的重要性。
To set the model sands for marine mobile bed physical model experiment is the key in the experiment to simulate the sediment movement.
本文以一港口物理模型试验为实例说明模型沙选择和布置模型沙对模拟泥沙运动的重要性。
In this paper, the selection of model sands and the importance of setting model sands for simulating the sediment movement are expounded by taking a harbor physical model experiment as an.
本文基于热力学第二定律和泥沙运动力学的相关理论，探讨了形成这一特殊现象的内在机理。
Based on the second thermodynamic law and theory of sediment transport, this paper explores the intrinsic mechanism for this phenomenon.
泥沙研究主要是认识水流中的泥沙运动规律、河床演变规律，进而解决水利工程中的泥沙问题。
To resolve the sediment problems in the hydraulic engineering, sediment research concerns on realizing the rule of sediment movement and fluvial processes.
沙波运动是冲积河流泥沙运动的一种重要形式。沙波的消长对河道水流的阻力损失有很大的影响。
Sand wave movement is an important form of sediment movement for alluvial rivers and has a great effect on stream resistance.
本文是作者和一些同志近年来所进行挟沙水流的水流和泥沙运动机理和输沙能力研究成果的概括。
This paper is a summary of study works on the movement mechanism and transport competency of sediment laden flow completed by the author with other collaborators.
本文是作者和一些同志近年来所进行挟沙水流的水流和泥沙运动机理和输沙能力研究成果的概括。
This paper is a summary of study works on the movement mechanism and transport competency of sediment laden flow completed by the author with other collaborators.
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