water head

水头

常用释义

词性释义

水头:单位重量液体通过泵所获得的能量。
例句
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This paper puts forward the relation of water head and blanket length of earth-rock dam on the infinite deep pervious foundation.
由此,提出了建在无限深透水地基上的土石坝水平铺盖长度与坝前水头的关系。
The airfoil-shaped measuring flume water head loss isn't higher, and the water head losing has 14% of the total head of water.
机翼形量水槽的水头损失不大,水头损失约占上游总水头的14%左右。
The results showed that, water head decreases linearly from maximum to minimum while draining from full-reservoir to empty-reservoir.
结果表明,从满库排水至空库过程中,水头线性减小至最低水头。
The simulation reveals that the influence of gravity can be neglected if the ratio of the water head to runner diameter exceeds 5. 0.
当水头与转轮直径的比值超过5时,重力的影响可以忽略。
ROOFING ACCESSORIES. ROOF SKYLIGHT WITH GUTTER AND RAIN WATER HEAD FOR SLATE AND PLAIN TILED ROOF TOPS. TERMINOLOGY. DIMENSIONS.
屋顶附件.石板或平瓦屋顶用带接水槽和箱屋顶框架.术语.尺寸
围裙清洗器由壳体、支腿、感应器、喷水头等组成。
分析了从满库至空库过程中水头、排水量和蓄水排放变化情况。
研究结果表明:土壤越干燥,负压水头和含水率的变异性越大;
to jump into water head first. * He dived into the river and swam to the screaming child.
他跳入这条河并且向尖声喊叫的孩子游去。
There is a strict request on the water head allocation of aqueduct in main channel of Middle Route of North-South Water Transfer Project.
南水北调中线总干渠上渡槽等建筑物上的分配水头有严格要求。
苏子河流域是大伙房水库及辽宁中部城市群的主要水源涵养区和水源供应地。
Duber Khwar Hydropower Project is a diversion type power station characterized by high water head and long tunnel.
巴基斯坦杜伯华水电站工程是一项高水头、长隧洞、引水式水电站工程。
He jumped into the water head over heels.
他头向下地跳进水里。
The utility model has the advantages of high speed of filtering, small loss of water head, and generous content of dirt.
无密实核心。具有滤速高、水头损失小、含污量大的优点。
Based on the study in the water head area in Changle County, the paper emphasize the significance of protecting the water head area.
在实地考察昌乐县水源地现状的基础上,提出该县水源地保护的意义。
分汊河段低水头枢纽两汊泄流宽度对泄洪能力的影响
Study on How the Organic Pollutants in Songhua River Influence the Water Quality of the Water Head Site
松花江有机物污染对水源地水质的影响研究
Study of Pressure Fluctuations in Draft Tubes of Francis TypeHydraulic Turbines under Strong Water Head Varying Conditions
大水头变幅工况下混流式水轮机尾水管水压力脉动分析
运行水头的选择对水轮机调整器调节性能的影响分析及对策
Optimizing Water Head Allocation of the Main Canal of the Middle Route Project in South-to-North Water Transfer
南水北调中线总干渠水头优化分配
重要水源地浦城县东风库区生态环境问题及保护对策
不消耗主体工程的水头能量;
高水头混流式水轮机的发展趋势及水力特点
浅谈低水头径流式电站库区涵闸的淹没处理
中小型水电站按水头发电控制算法及其实现
双层格栅消能室在中水头短廊道输水船闸中的应用
多级船闸非等分水头方法设计运行的基本特点
高水头下水库无压泄水洞的二维紊流数值模拟
系泊试验效用试验气压试验水密试验压头试验液压试验冲水试验航行试验
Analysis on the Crach of the Runner with Long and Short Blade of Francis Turbine with High Water Head
高水头混流式水轮机长短叶片转轮裂纹分析
1·These phenomenon jeopardize the condition of the project seriously, and it is the main factor that influences the loss of local water head.
这些现象严重危害管道的工况,并且是影响阀道局部水头损失的主要因素。
2·The effect of practice showed that the seepage prevention wall is beneficial to reducing the seepage water head, decreasing the seepage line inside dike and escape gradient.
实际应用显示钢板桩的实施有利于减小渗流水头、降低堤身浸润线和出逸比降。
3·Calculation formula of velocity distribution, boundary layer thickness, friction force and loss of water head are given out, in accordance with the result from theory analysis of similitude solution.
对于速度边界层提出了相似性解的解析结果,给出了速度分布、边界层厚度、摩擦阻力和水头损失的解析计算表达式。
4·Higher water head closure has become a trend with the development of river way closure.
从河道截流的发展趋势来看,高水头截流已成为一种趋势。
5·The uncertainty of the parameters may induce uncertainty calculation of water head and velocity of flow, and influence the reliability of the results of groundwater resources appraising.
参数的不确定性将导致计算的水头、流速的不确定性,并影响到地下水资源评价结果的可靠性。
同义词
n.
水头(水源);水压;[水利]水位差;落差