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pumping
相关语句
  泵送
    A Design for Concreting Underwater Slope by Pumping
    泵送水下灌筑坡面混凝土的设计
短句来源
    Construction technique of pumping hydrotechnic concrete
    泵送水工混凝土的施工工艺
短句来源
    Application of Pumping Fly Ash Polypropylene Fiber (PPF) Concrete in Gate for the Jiuqu River Pivot Engineering
    泵送粉煤灰PPF、聚丙烯纤维混凝土在九曲河枢纽套闸工程中的应用
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    Without an united specification of anti freezing pumping aid now,referencing the specifications of JC475-92 and JC473-92 to constitute local or enterprise specification is feasisle.
    在目前尚无防冻泵送剂统一标准的情况下 ,参考JC475 - 92和JC473 - 92制定地方标准或企业标准是可行的
短句来源
    Acording to the construction practice of pumping concrete of Hongxing Reservoir water diversion project in, this paper summarizes and discusses the technical method and the notice of the pumping hydrotechnic concrete construction.
    通过红兴水库引水工程泵送混凝土的施工实例,总结和阐述了泵送水工混凝土施工的工艺方法及注意事项。
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  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
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    The Application of LOTUS 1 2 3 Software to Parameter Estimation of Non Equilibrium Flow Pumping
    LOTUS 1-2-3 在非稳定流抽水试验参数计算中的应用
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    Reasonable Proportion of the Capacity of Pumping Storage Station in the Power System
    抽水蓄能电站容量在电力系统中的合理比例
短句来源
    Excavation Blasting of Gate Shaft for A Pumping Energy-accumulated Power Station
    抽水蓄能电站闸门竖井开挖爆破
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    Application of geologic forecast technology in Baishan pumped-storage pumping station
    地质预报技术在白山抽水蓄能泵站工程中的应用
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  “pumping”译为未确定词的双语例句
    Study on Water Conservancy Characteristic Conversion for Low-lift Pumping Station and Performance Prediction
    低扬程水泵装置水力特性换算与性能预测研究
短句来源
    Study on Automatic Program Control Device of Pump motor Set in Second Pumping Station of Huaian
    淮安第二抽水站机组自动化程序控制装置的研制
短句来源
    INTRODUCING A METHOD OF MONITORING FLOW AT PUMPING STATIONS
    用笛形管差压计法监测泵站流量
短句来源
    Solving of Water Hammer by Method of Characteristic curves and Its application In Dong-Lei Pumping Station
    泵站水锤特征线电算解法及其在陕西东雷泵站中的应用
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    Research of optimization operation for Dayudu series of pumping stations
    大禹渡梯级泵站优化调度研究
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  pumping
The main technology for high power fiber lasers, including laser diode beam shaping, fiber laser pumping techniques, and amplification systems, are discussed in detail.
      
The heat transfer enhancement under identical pumping power condition for the attack angle of 30° is larger than that for the attack angle of 45° either for staggered or for aligned tube bank arrangement.
      
Meanwhile, principles of several typical pumping methods such as mechanical, electromagnetic or peristaltic pumps will be illustrated.
      
pumping power per unit heat transfer area were plotted.
      
Proton Pumping in Growing Part of Maize Root: Its Correlation with 14-3-3 Protein Content and Changes in Response to Osmotic Str
      
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On the Pearl River Delta, the stream flow furnishes ample water supplies to meet the irrigation requirements. Experience shows that the yield on ricefield amply supplied with water is more in dry years than in wet years owing to more extensive utilization of sunlight. For this reason it is profitable to design the pumping plants to satisfy the irrigation requirements to the utmost extent. Since the variation of low water level in the river-netted region is often rather limited, adopting a maximum head...

On the Pearl River Delta, the stream flow furnishes ample water supplies to meet the irrigation requirements. Experience shows that the yield on ricefield amply supplied with water is more in dry years than in wet years owing to more extensive utilization of sunlight. For this reason it is profitable to design the pumping plants to satisfy the irrigation requirements to the utmost extent. Since the variation of low water level in the river-netted region is often rather limited, adopting a maximum head for the pumping plant according to the lowest water level would only slightly increase the capacity and this would be well compensated in dry years. The planning of the pumping plants should fit the natural conditions such as topographical and hydrological conditions. In the river-netted region, the most favorable arrangement has been shown to be employing scattered small plants each carrying a small lot. It is usually advantageous to design plants serving for both drainage and irrigation. Sometimes, portable pumps working together with permanent plants may proved to be convenient. The necessity and possibility of the collaboration of pumping plants with other types of waterworks should always be well considered. In addition to overcoming the disaster caused by drought and flood, the electric pumping plants serve as an active device for more efficient irrigation and drainage, thus afford the possibility of lengthening the cultivating season, and adopting the most appropriate cultivating system and most suitable species of crops. The electric pumping irrigation and drainage on the Pearl River Delta presents a promising aspect for increasing the agricultural production.

本文首先分析了珠江三角洲河口网河区原有排灌条件,确定兴建电力排灌工程的必要性,并论述了电力灌溉可按照完全满足用水要求的高标准设计,而电力排涝则宜于采用较低标准。关于排灌站的布置,建议以划分小区分散建站为主要形式,并应注意排水与灌溉相结合,流动抽水机与固定站相结合,电力排灌与其他水利工程结合的必要性与可能性等。

In this paper, according to variational principle, eqs.(19)and (20) are proposed to compute head distribution and seepage discharge by the finite element method, which satisfy the general definite solution problem eq. (1) for unconfined three-dimensional unsteady seepage of Darcy's law. It is verified that they are an available numerical approach for analyzing three-dimensional unsteady seepage flow problem with free surface through the computation of a pumping well of unconfined unsteady seepage.

本文根据变分原理,对适合达西定律的无压地下水三向非稳定渗流的一般定解问题式(1)提出了用有限元法计算水头分布和渗流量的公式,即式(19)和式(20)。并通过抽水井算例,证明它们对求解有自由面的三向非稳定渗流问题,是一种可行的数值方法。

In this paper, the designed thought of the automatic program control device of pump-motor set in the second pumping station in Huaian county, Jiangsu province, automatic elemnts provided, and device itself are mainly introduced. And the author puts forward some views on the automation for large pumping station.

本文主要介绍了江苏省淮安县第二抽水站机组自动化程序控制装置的设计思想、自动化元件的设置情况及装置本身,并对大型泵站的自动化工作提出了作者的几点看法.

 
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