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引水效果
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  “引水效果”译为未确定词的双语例句
     As water carrying gravels and pebbles flows over the screened intake on the top of the diversion dam, it shows good efficiency in diverting water and sluicing sediment.
     水流挟带的大颗粒泥沙越过枢纽的栏栅顶面而送到下游,使这种引水形式的排沙引水效果良好.
短句来源
     It is a common problem in water pumping house design that improper design of water suction pattern of suctional pump caused unfavorable water abstraction into and poor starting of water pump.
     在泵房设计中,经常遇到吸上式水泵引水方式问题,如果设计不当,常有引水效果不好、启泵困难的情况.
短句来源
  相似匹配句对
     Comprehensive Testing and Effect on Engineering Qualityof Draw Water Tunnel
     引水隧道工程质量综合检测与效果
短句来源
     What about the effect?
     效果如何?
短句来源
     The result is good.
     效果是好的.
短句来源
     3. recharging water into the karst reservoir.
     引水回灌。
短句来源
     COUNTERMEASURE OF WATER DIVERSION AND REGULATION TO IMPROVE THE WATER ENVIRONMENT OF TAIHU LAKE AND PREDICTION OF ITS EFFECT
     引水调控改善太湖湖湾水环境及其效果预测
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  diversion effect
It is known that the welfare of a small, quota-imposing country will always increase after it joins a customs union because the trade diversion effect of a customs union never arises.
      
However, this paper shows that the welfare of a large, quota-imposing country may increase, decrease, or remain the same after it joins a customs union even though the trade diversion effect of a customs union also never arises.
      
Analysis suggests that the size of this trade diversion effect is the crucial determinant of the overall market effects of the tariff.
      
Domestic Welfare then decreases because of a larger profit diversion effect.
      
Regional blocs may reduce world welfare if the trade diversion effect dominates.
      
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Diversion works with screened intake built on steep mountainous streams abundant in gravel-pebble bed load have been proved to be one of the successful types of headworks in the Xinjiang Uygur Autonomous Region. As water carrying gravels and pebbles flows over the screened intake on the top of the diversion dam, it shows good efficiency in diverting water and sluicing sediment. There have been about 50 headworks of this type built in Xinjiang.This type of diversion works consists of the dam with screened intake,...

Diversion works with screened intake built on steep mountainous streams abundant in gravel-pebble bed load have been proved to be one of the successful types of headworks in the Xinjiang Uygur Autonomous Region. As water carrying gravels and pebbles flows over the screened intake on the top of the diversion dam, it shows good efficiency in diverting water and sluicing sediment. There have been about 50 headworks of this type built in Xinjiang.This type of diversion works consists of the dam with screened intake, the sediment flushing sluice, the spillway dam and the guide levees. The layout of the works have to be decided by the hydrological and geological conditions of the river. Generally, when the sill of the flushing sluice is lower than the crest of the screened intake, it is easy to maintain the main channel of the river in front of the headwork. As soon as the diversion works being put into operation, the relation between the sediment content and the discharge will be readjusted, i.e.,a large amount of sediment should be flushed by a smaller amount of water. In order to prevent sediment deposited in the downstream reach of the headwork, it is necessary to make the downstream channel as narrow as possible by extending the guide levees and other measures. In order to prevent serious scouring downstream which may endanger the security of the project, the narrowing of the channel and the raising of the crest of the screened intake should be considered comprehensively. Generally, the sediment flushing sluice should be located near the screened intake. If diversion is tak- ' en from both sides of the siream, the flushing sluice should be located in the middle of the river. The flushing sluice can be opened continuously or intermittantly in the flood period, but it should be closed in the low water season for backing up water for diversion. The contraction of the reach upstream by guide levees will constitute a favorable bend or make the flow more smooth and steady, so that the flow pattern in front of the intake can be kept in good condition for diversion under wide range of discharges, Experience shows that it is better to use apron made of series of logs and anti-scour diaphragm instead of plunge pool in the connection of the discharging structures and the natural river bed downstream in order to keep the structure from underwashing.

在坡降陡急和河床为卵石、漂、砾的山溪河道上,底栅式引水枢纽在新疆已被证明为十分有效的引水形式之一.水流挟带的大颗粒泥沙越过枢纽的栏栅顶面而送到下游,使这种引水形式的排沙引水效果良好.新疆已建成这种形式的渠首近五十座. 引水枢纽由栏栅堰、冲沙闸、溢洪堰和导流堤组成.工程的布置方式取决于河道的水文泥沙条件和地质条件.在一般情况下,当冲沙闸底低于栏栅堰底时,枢纽的上游河道容易保持主槽.渠首建成后,河道中的含沙量和流量的关系重新调整,即以少量的水冲走大量的泥沙.为了防止枢纽下游淤积,必须对下游河段采取缩窄并延长导流堤等措施.但缩窄下游河床和抬高栏栅堰顶应统一考虑, 以免引起剧烈冲刷和危及建筑物安全.布置冲沙闸一般应靠近栏栅堰.当枢纽采取两岸取水形式时,冲沙闸应布置在河床中心.冲沙闸门在洪水期或则长期开启,或则间隙开启,在枯水期一般为闭闸壅水运用.上游导流堤有助于人为地造成有利的弯道,或者能使河床水流保持平稳, 以便使上游河床在各级流量下都能具有较好的水流条件.通过实践证明,衔接闸,堰和天然河道的消能防冲设施,以裙板和防冲墙效果较好.

It is a common problem in water pumping house design that improper design of water suction pattern of suctional pump caused unfavorable water abstraction into and poor starting of water pump. The mechanisms of water suction patterns of various pumps, their design and selection and matters of attention are presented in this paper for reference in design and installation of water pumping houses.

在泵房设计中,经常遇到吸上式水泵引水方式问题,如果设计不当,常有引水效果不好、启泵困难的情况.本文介绍了多种水泵不同引水方式的机理、设计选用方法和要注意的问题.以供泵房设计与安装时参考.

While designing pump station,choice should be made on water directing styles.If improper choice is made, it's difficulty to start up the pump and infect production and living water supply directly.Based on project experience,this article makes a detailed description on basic principles of all water directing styles, the design of water directing devices and evaluates their goodness and badness and applicable conditions.

在泵站设计中,常遇到吸上式引水方式的选择,若选择不当,常有引水效果不理想,启泵困难的情况发生,直接影响生产和生活给水.为此,本文在总结工程实践经验的基础上,详尽论述了各种引水方式的基本原理,引水装置设计,并阐述了各种引水方式的优缺点及适用条件.

 
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