sediment bed的例句大全

This paper summarizes the sediment bed frame for when the dike before the relative movement of the mechanism of sediment, erosion and deposition process and the final shape.

本文总结了底床泥沙为相对粗纱时堤前泥沙的运动的机理、过程和最终的冲淤形态。

A slower exchange rate of bed material then leads to a longer distance of non equilibrium sediment transport.

床沙交换速率愈慢，则冲刷距离愈长。

A study on channel scour rate of sediment laden flow and river bed inertia

挟沙水流的冲刷率及河床惯性的研究

The flow with sediment trapped by the slit of the vortex tube can form vortex inside the tube and exclude efficiently the coarse sediment near the bed layer in front of the tube.

进入涡管槽口的挟沙水流会形成强有力的螺旋流沿涡管流动，能有效地排除底部推移质泥沙。

Sediment deposit in the reservoir, river bed degradation and channel shifting in the lower Nile, and evolution of the Nile delta coast after the Aswan High Dam impounded are introduced in this paper.

本文着重介绍阿斯旺大坝带来的库区泥沙淤积，下游河道演变和河口海岸的变化，以及采取的治理措施。

In this paper the relationship between flow and sediment in river bed is analyzed using statistics theory.

非均匀沙挟沙力是河道水流泥沙运动的重要课题之一。本文采用随机数学的方法，分析了水流与床沙的相互作用及床沙与床沙质的相互交换，建立了非均匀沙挟沙力公式。

Include the vertical distribution of suspended sediment concentration, suspended sediment mass flux and spectral analysis, and the changment of net sediment transport rate and bed load transport rate in the the movement process of sandbar.

内容包括悬沙浓度垂向分布，水质点平均流速垂向分布，悬移质通量及谱分析，还有净输沙率和推移质输沙率在沙坝运动过程中的变化。

Based on sediment transport experiments, the interaction between flow and sediment movement is analysed and the problems of grain resistance and bed load transport on plane movable bed are discussed.

本文在输沙实验的基础上，从研究水流结构着手，分析了水流和泥沙之间的相互作用关系，讨论了动床沙粒阻力和底沙输移规律。

The uses of high speed camera in sediment transport study near the bed in turbulent flow

高速摄影技术在泥沙研究中的应用

Through total sediment model tests, the characteristics of sediment movement and the rules of bed scour and sedimentation of this reach, also its influences upon safe navigation and ship anchorage were revealed.

通过全沙模型试验研究，揭示了该河段的水流泥沙运动特性和河床冲淤规律，及其对船舶安全航行和靠泊的影响。

The main channel bed will scour if sediment amount from tributary debris is less than that the main stream can carry and the river evolution exhibits the characteristic of mountainous rivers.

当支沟泥石流输入主河的泥沙量小于主河的输沙量时，主河河床将下切，并逐渐恢复山区性河流的特征。

Based on nine hydrologic stations ′ data of spring, medium and neap tidal periods and fifty seven samples of sea bed surficial sediments collected in Tonggu Waters of Lingding Estuary during the river flood stage, this paper discusses the net transport trend of current and sediment.

根据对珠江伶仃河口湾铜鼓水域丰水期9个测站大、中、小潮三次同步水文泥沙资料及57个底质样品的分析结果，本文讨论了此水域的水沙净输运趋势。

On the basis of the stressing features of sediment particles on the river bed surface, the probability distribution of instantaneous initiation moment of sediment particles' motion was deduced to be a normal distribution.

根据位于床面上泥沙颗粒的受力特点，取各力力臂为常量，推导得到泥沙颗粒瞬时起动力矩的概率分布为正态分布。

By solving the simultaneous equations of the continuity equation of sediment discharge and the bed load formula, a two-order partial differential equation for the change of bed-level in the process of headward erosion is obtained.

联解沙量连续方程和推移质输沙公式，得溯源冲刷的河床高程随时间和距离变化的二阶偏微分方程。

The influence of sediment diameter on bed-load transport rate

泥沙粒径对推移质输沙率的影响

the first bed-forming discharge represents equivalent discharge of sediment transporting capacity in variable discharge process, i.

第一造床流量是代表变动流量过程输沙能力的等价流量，即塑造河道纵剖面的造床流量，其能从理论上确定。

representative diameter of bed material and median size of sediment in transport

床沙代表粒径与输移泥沙中值粒径的关系

estuarine and coastal area is an important gathering and scattering zone of material flow and energy flow, the movement of estuarine flow and sediment is quite complex and concerned with runoff, tide, wave, wind speed and direction, bed material and so on.

河口海岸地区是物质流和能量流的重要聚散地带，河口潮流泥沙运动较为复杂，与径流的丰枯、潮汐的大小、波浪的高低、风速风向及河床底质等多种因素有关。

the vertical distributions of mean velocity and suspended sediment concentration in gravel- bed rivers

卵石河流的时均流速和悬沙浓度垂线分布

based on the stochastic mechanistic model of non uniform sediment exchange near the river bed and the probabilistic distribution of fractional transport rate, a new bedload formula for any fraction of non uniform sediment is theoretically developed the parameters are determined from the relations proposed by the authors.

根据近底泥沙交换的随机-力学模式及输沙率概率分布，从理论上建立了非均匀沙任意粒级推移质输沙率的新公式。