给出了一个描述宽浅水域风生流及床面冲淤的数值模型。
A three dimensional model is presented which can be used to predict wind-induced current and evolution of bed surface in shallow waters.
上游河段的床面为沙垄所覆盖，而下游河段则为平整床面。
In the upper reach the bed was dune covered and in the lower reach it was flat.
简要总结了循环流化床锅炉床面油枪动态点火试验运行情况。
The test operation result of dynamic ignition of CFB bed surface by oil gun was summarized briefly.
击球速度也因为线床面积扩大、拍面反弹力增加而显著提升。
The hitting velocity is improved considerably with widened stringing area and increased bounce strength.
施以反向动力，长轴带动动力臂和长杆回落，则床面回复原位。
Applied with inverted power, the long axle drives the power arm and the long lever to fallback, accordingly the bed surface returns to the normal position.
风沙起动后，用紧贴地面的平面作为风沙起动床面的简化模拟面。
The plane appressing ground surface is regarded as the simplified simulation surface after sand grains are raised.
冲淤计算是河流、河口、海岸等水域中分析、预测床面变化的基础。
Computation of erosion and deposition on the bed surface is a foundation of predicting bed variations in rivers, estuaries and seas.
给出了一个实用、有效的曲面急变流水面线及床面压力的计算方法。
A practical and effective calculation method of water surface line and bed pressure on curved beds of channels is presented in this paper.
淹没植物的存在起阻流作用，增大了水流的坡降，使床面糙率变大。
The presence of submerged plants increased the flow gradient, hence the bed roughness became larger to resist flow.
目的探讨DSA机的床面适形配件制作及其对检查床功能扩展的实用价值。
Objective to discuss the value of the conformal accessory of table top expand the to functions of DSA machine.
涨潮阶段床面粗糙长度大于落潮阶段， 涨潮阶段摩阻流速小于落潮阶段。
Roughness length during the flood phase is larger than that during the ebb phase, whilst shear velocity during the flood phase is smaller than that during the ebb phase.
采用切断流化床气源，并跟踪测量床面塌落速度的方法，可以测得浓相空隙率。
Dense phase voidage can be estimated by cutting gas flow and following the rate of bed collapse.
在高能态区，从动平整床面到沙浪的出现，总水流功率又逐渐背离有效水流功率。
At upper flow regime, the total stream power gradually deviate the effective stream power from movable plane bed to existence of sand wave.
泥沙推移质的计算考虑了床面坡度对推移质输沙率和临界启动剪切力的综合影响。
Computation of the bed load transport considered the influences of bed slope on both critical bed shear stress and bed load transport rate.
文中首先给出了由我们建立的床面泥沙交换理论导出的非均匀沙扩散方程的边界条件。
The boundary condition at bed surface of diffusion equation of nonuniform sediment is derived based on the concept of exchange intensity of stochastic theory by the author.
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.
根据给定的水流及泥沙条件，预报床面可能出现的沙波形态，是一个重要的研究课题。
According to given flow and sediment conditions, predicting possible bed form in river bed is an important problem.
同时在试验的基础上，推导得植树后断面平均流速减小值和植物坝段床面剪应力的计算公式。
And base on the experiment, calculating formula of cross section mean velocity's reduction after planting and bed shears stress of vegetation dam block are established.
床面，床架、床脚全部采用冷扎钢板，冷扎钢管制造，并经二度磷化后喷涂，品质达到国家级标准。
Material: Bedbody, Bedframe, Bedleg full use of cold rolling steel plate, cold rolling steel pipe manufacture, and the second phosphating after spraying, to achieve national quality standards.
对风向调节装置、床面角度调节装置、床面形状进行了合理的结构设计，完成了整体样机的设计开发。
The regulation devices of the wind direction, the adjustment devices of the angle of the sieve, the shape of the sieve were designed reasonably, and the overall prototype was designed and developed.
本文首先对河流中的浅滩进行概化，通过水槽试验测出了浅滩上水流的动水压力分布、流速分布和床面剪应力沿程变化。
In this paper, the crossing bars are generalized as a model at first, the dynamic pressure distribution, the velocity distribution and the bed shear stress are measured through flume experiments.
论文就如何利用床面切应力的方法确定沉积率和冲刷率以及如何计算和选取水沙计算过程中其它相关参数展开了初步的探讨。
This paper discusses how to use bottom shearing stress method to determine the resuspension rate and deposition rate, and how to select and calculate the correlative parameter.
而且波浪是海岸地区一个非常重要的海洋水动力因素，波浪作用下底部边界层的流态、底摩阻系数、床面剪应力和泥沙起动的理论还不成熟。
But the theory about the flow regime of the wave boundary layer, the wave friction factor, the bed shear stress and the initiation of sediment motion has not developed very well.
通过与试验资料及经验公式的比较对本文建立的关系式进行了检验，结果表明本文所得计算公式与实际符合较好，可用于悬沙床面平衡浓度的计算。
The comparisons with flume experimental data and three empirical formulas show that the proposed formula has fairly good accuracy in predicting the equilibrium bed concentration.
结果表明，达到动力平衡时，河道中发育的床面结构越强，消耗水流能量越多，从而稳定维持的纵坡降越大，因此在一定程度上决定了河道纵剖面。
The results indicated that more intense streambed structure means greater stream power consumption and steeper channel slope when rivers are in dynamic equilibrium.
一种尘肺病治疗诊断装置，包括具有可移动床面的床体，在床面上下两侧对置设置一组电磁线圈，使床面置于强磁场之中，电磁线圈外接磁化电源。
The said apparatus includes a movable bed, a set of electromagnetic coils oppositely mounted over and below the bed, and a magnetizing supply for electromagnetic coils.
介绍了旋转环形水槽的结构和工作原理，提出了削弱环形水流离心力的方法，通过环形水槽中周期往复流泥沙运动试验得出水体含沙量与床面剪切力和水体挟沙力之间的关系。
The method of weakening centrifugal force in the rotary ring flume is proposed and sediment movement under the effect of periodic reciprocating current is tested in the ring flume.
该设备依据入选矿物比重差和在往复不对称运动并呈倾斜的床面横向水流中的分层性能进行选别。具有不同比重矿物在床面上分带明显，精矿质量高，操作和调节方便等特点。
The device is based on the proportion of selected minerals deviation and asymmetry in the reciprocating movement and tilt of the bed was horizontal flow in layered performance of sorting.
格里利蓬头垢面，总是看起来像一张未整理的床。
格里利蓬头垢面，总是看起来像一张未整理的床。
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