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water pumping
相关语句
  抽水
    The Application of the Queuing Theory in Reservoir Operation of Water Pumping and Energy Storage,
    排队论在抽水蓄能水库调度中的应用
短句来源
    Hydraulics prototype observation in water pumping debugging period for TGP lock
    三峡永久船闸抽水调试期水力学原型观测
短句来源
    Water pumping at Yangzhuoyong Lake pumped storage power station is usually at high flow season in which there are excessive electricity in Lasa Electrical Network.
    羊湖抽水蓄能电站抽水时间多为拉萨电网有多余电量的丰水期,但丰水期正是雅鲁藏布江的丰沙期。
短句来源
    However,high flow season is just the silt abundant period in the Yarlungzangbo River in order to decrease the silt wear to vanes of multiple pumped storage unit which is on the same turbine shaft,a setting basin is designed in water pumping system.
    为了减少泥沙对水轮机同轴的多级蓄能泵机组叶片等的磨损,因此在抽水系统中设计了沉沙池。
短句来源
    According to the relation of power generation and water pumping in the pumped storage power plant,the discharge hydrograph of generating unit and the flood hydrograph of the upper and the lower reservoirs have been combined and superposed in different ways and then the flood hydrograph and the initial regulating water level used for combined flood regulation of the upper and the lower reservoirs have been derived.
    根据抽水蓄能电站的发电工况和抽水工况之间的关系,将机组流量过程线与上、下库洪水过程线进行不同的组合、叠加,导出上、下库联合调洪洪水过程线和起调水位。
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  “water pumping”译为未确定词的双语例句
    Working Condition Characteristics and Operation Control of Taking Water Pumping Station
    取水泵站的工况特点及运行控制
短句来源
    Design and Construction of Excavating Stone Intake Canal by Controlled Blasting in Water Pumping Station of Hexin Power Station of Wuxiang County
    武乡和信电厂取水泵站进水渠石方控制爆破设计施工
短句来源
    The Operation Scheduling Strategy of Raw Water Pumping Station Based on Dynamic Programming
    基于动态规划方法的取水泵站运行调度策略
短句来源
    Briefly Analysis the Design of Stilling Besin of Storm Water Pumping Station at Wu han Gang xi
    浅析武汉市港西雨水泵站消能设计
短句来源
    Reform Schemes of Speed Adjustment for a Water Pumping System
    给水泵站调速改造方案的确定
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  water pumping
excavating of new canals and underground water pumping; 1500-1550, during the Sp?rer Minimum of solar activity; 1720-1830; 1250-1350, which was also a stormy period in the North Sea.
      
Automating the operation of water pumping stations
      
For the first time direct evidence of water pumping through a treated surface is presented.
      
The gas production is used for electricity generation, water pumping and heating, solid wastes drying etc.
      
In all of the tested runs the width of dispersion zone has reduced significantly due to brackish water pumping.
      
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Studies have been made on measures for relieving the uplift pressure at the bottom of concrete dam on rock foundation. The research results indicate that for reducing the uplift pressure, foundation drainage is a major measure, and the grout curtain has a little effect, the latter would only reduce the seepage flow discharge through the dam foundation; that as far as arrangement of the drain holes is concerned, relieving effect of shortening the spacing of hole is more significant than that of increasing the...

Studies have been made on measures for relieving the uplift pressure at the bottom of concrete dam on rock foundation. The research results indicate that for reducing the uplift pressure, foundation drainage is a major measure, and the grout curtain has a little effect, the latter would only reduce the seepage flow discharge through the dam foundation; that as far as arrangement of the drain holes is concerned, relieving effect of shortening the spacing of hole is more significant than that of increasing the diameter of holes, and, the lower the top elevation of hole will be (even use of water pumping), the better the effect; that with rock foundation condition of ω value less than or equal to 0. 05, the effect of grout curtain on relieving uplift pressure is very small, with reduction of to value from 0. 05 to 0. 005, by grouting, achieving the effect of less than 10% , thus, there is no necessity for grouting in better rock foundation. Grouting standard developed recently in Europe is introduced in this paper. Seepage flow through fissured rock mass is of anisotropic character. Influence of this property on uplift pressure on the darn bottom might be very significant. It should be considered during design of grout curtain and drain hole screen, and in order to achieve the minimum uplift pressure on the dam bottom, the alignment of both grout curtain and drain hole screen should be perpendicular to the fissure planes where the principal seepage flow run through.

运用渗流理论对降低岩基混凝土坝坝底扬压力的措施进行了研究。研究结果表明:排水是主要措施,灌浆帷幕作用不大,后者的主要作用是减小渗流量。排水孔幕的布置,缩小间距比增大孔径效果显著,孔口高程愈低效果愈好(甚至采取抽排)。在基岩的ω≤0.05的情况下,帷幕灌浆降压效果很小,通过灌浆把基岩的ω值从0.05降到0.005,降压效果不过10%:较好的基岩进行灌浆实无必要。文中介绍了西欧最近研究的灌浆标准。岩体裂隙渗流各向异性的特性,对坝底扬压力的影响极大。设计灌浆帷幕和排水孔幕都必须考虑这种各向异性,为了使坝底扬压力最小,灌浆帷幕和排水孔幕都应大致与主渗透性裂隙正交。

It is presented in this paper an optimal operating model which makes optimal decisions for water pumping from reservoirs and simulates the procedure of canal water distribution for reservoirs in the Baojixia Irrigation District of Shannxi Province. It is also noted that the model has been validated by simulating real irrigation systems.

本文给出宝鸡峡水库群优化运行模型。模型提供了水库群抽水的优化决策并模拟了渠系的配水过程。模型经过了实际系统的初步验证。

The working condition characteristics of taking water pumping station are analyzed,based on the changement law of water level of surface water source in our country and the changement law of drinking water quantity. On the basis of above analysis the keypoitits for the selection of pump in.two control point case are proposed. Pumping station operation and control methods are studied also.

根据我国地表水源的水位变化规律及城市用水量变化规律,分析了取水泵站的工况特点,据此提出了两个控制点的选泵依据;同时对泵站的运行方式及其控制进行了论述.

 
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