水流流速,flow velocity
1)flow velocity水流流速
1.Effect of ecological engineering of the streams entering lake on flow velocity;入湖河道生态修复工程对水流流速的影响研究
2.In turbulent flow,fluctuation of flow velocity must lend the fluctuation of flow resistance which is proporational to the square of flow velocity.在整个水深范围内,水流流速样本系列服从正态布分。
英文短句/例句

1.Experimental study on vertical distribution of flow velocity in weak dynamical flow with cohesive sediment弱动力水流中粘性泥沙作用下水流流速沿垂线分布的试验研究
2.Measurement of Flow Field with Submerged Rigid Vegetation by PIV用PIV测量含淹没刚性植物明渠水流流速
3.A strong or swift current of water.急流有力或快速的水流
4.The fast-moving stream of water that drives a mill wheel.水流推动磨坊水轮的流速很快的水流
5.Water escaped rapidly from the drainpipe.水从排水管中迅速流出。
6.A turbulent, swift-flowing stream.急流形成旋涡的,迅速流动的水流
7.The velocity in the intake is not equal to the stream velocity.进口的流速不等于河水流速。
8.velocity type column air gauge流速式水柱气动量仪
9.pipeline burst cache流水线猝发高速缓存
10.This slows down the flow of the water.水的流速就慢了下来,
11.flowing with little speed as e.g. at the turning of the tide.流动的速度慢,例如在水流回转的地方。
12.These steps slow down the flowing rain water.这种梯地可以让流动的雨水流速减慢。
13.Study on the Vibrating Flow Type of Submerged High-Speed Gas Jets in a Two-Dimensional Water Tank二维水槽中高速气体射流的振荡流流型研究
14.Study on characteristic of flow for the diversion components of the Francis turbine with high specific speed高比转速混流式水轮机引水部件水流特性研究
15.The Research of the Critical Velocity of Sewage Flowing as Two-Phase Fluid in City Drainpipe;城市排水管道内污水两相流临界流速研究
16.Water Flow Regime and Flow Velocity Behaviors in Stepped Spillways with Aerated Piers掺气分流墩台阶式溢洪道的水流流态和流速特性
17.On the Relation between the Velocity and the Concentration Distributions in Open Channel明渠水流垂线流速分布与含沙量分布的关系
18.Vertical velocity distribution of longitudinal flow in a vegetated channel植被覆盖的河道水流纵向流速垂向分布
相关短句/例句

high speed water flow大流速水流
1.Crevasse repair and bank reinstatement were implemented under high speed water flow in Anxiang County, Hunan Province during the large flood in the Yangtze River Basin in 1998.1998年洪水中 ,湖南省安乡县安造垸城关棉纺厂大堤发生特大管涌而溃决 ,在大流速水流下成功实现了堵口复堤 。
3)water following speed水体流速
4)High velocity flow高速水流
1.In the sewer pipe with high energy slope, there always occurs the high velocity flow, and its hydraulic calculation is beyond the range of wastewater design specification.大比降排水管水流通常为高速水流,其水力设计已经超过排水设计规范范畴。
2.Researches focusing on some critical problems in flood discharging and energy dissipation of high velocity flow in spillway tunnels are canied out by numerical simulation in this dissertation.目前在高山峡谷所建高坝,其泄水建筑物多具有水头高、落差大、泄洪量大等特点,高速水流问题严重。
3.With the developing of science and technology, more and more high head dams are build and problems brought by high velocity flow are following.随着科学技术的进步,世界上修建的高坝日益增多,随之而来的高速水流问题也就越来越多。
5)flow velocity水流速度
1.Analysis of faults in theory for measuring flow velocity on slope with tracer method;示踪法测量坡面水流速度理论缺陷分析
2.The model is the theoretical foundation of the method for water flow velocity measuring.确定坡面薄层水流速度是研究土壤侵蚀动力学的基础。
3.The empirical coefficient may be affected by slope, flow velocity, discharge and other factors.示踪法经验系数可能受坡度、水流速度、流量等多种因素的影响 ,该文经过流量法和盐液示踪法的实验结果比较发现 :泥沙含量较低时 ,随流速增加而增大 ,泥沙含量较高 ,其值基本不变 ,但经验系数与速度的相关性都较差 ,而各种坡度下测量经验系数的平均值与泥沙含量具有较好的正相关性 ,泥沙含量是影响经验系数的主要因
6)water flow velocity水流速度
1.It can be seen that retardation cefficient, Rd, of Sr in loess is not constant and increases with water flow velocity either in unsaturated columns or in saturated columns, as well as migration velocity of Sr at unit sprinkling rate decreases with sprinkling rate accor.对锶的延迟系数进行研究的结果表明:无论在不饱水土柱还是饱水土柱,锶在黄土中的延迟系数Rd不是常数,而随水流速度的增加而增大;无论按峰位还是按质心位置计算,单位喷淋强度下锶的迁移速度随水的喷淋强度的增加而减小。
延伸阅读

地下水流速地下水流速velocity of groundwater flow d ixioshui!iUsu地下水流速(veloeity of groundwater flow) 地下水在含水层中的运动速度。地下水运动具有方向性,在平面图上,它垂直于地下水等水位线或等水压线。地下水流速有渗透流速和实际流速两种。 渗透流速一种假想的渗透水流速度。渗透流速表达式为: Q V~止冬 A式中V为渗透流速(又称达西渗透流速),m/d;Q为通过断面的地下水流量,m3/d;A为垂直于水流的过水断面积,m“。 实际流速地下水在含水层空隙中的实际流动速度。面积孔隙度和总的水流路径的概念如图所示。由于含水层空隙的大小和形状的不同,水流所受阻力也有差别,所以水流在含水层中不同位置的实际流速是不等的。实际流速可用于分析地下水在含水层中运动的性质,而不能用于定量计算。在供水水文地质勘寨中,多用平均实际流速作为判别水流运动状态和定量的指标。地下水平均实际流速是通过含水层过水断面的流量除以过水断面上孔隙的面积,即 Q u~蔽式中二为平均实际流速,m/d;n为孔隙度,%。地下水平均实际流速与渗透流速的关系为:,一孔隙空间中的 尹产~~~一-一-甲,州擞、‘己介注断义买际水流路径卜衬><尹飞刁l孔隙面积.曰生乙占.占幽‘拓佑益~~人了、代产气卜妇卜~一~门产们A.夕气味和翻丫从了州\l、傲\平也登的 脚,丫~b 面积孔隙度和总的水流路径约概念 a一面积孔隙度;b一总的水流路径 V U二二— n 平均实际流速又有称做平均孔隙流速的。有时即使是在均质流体中,孔隙中的一部分流体仍是不动的,如细颗粒介质中被吸附或部分盲端孔隙中被阻滞水流,因此对渗透水流来说,公式中需用有效孔隙度来表征,即 Q “一石厕式中从f为有效孔隙度(