查询词典 water-supply station

Concentrated on the questions of high external water pressure and flow of the deep-lying tunnel, the basic theory and method calculating external water pressure are systematically studied, the high external water pressure of Jinping cascade 2 hydropower station is analyzed and studied in detail.

本文在总结前人研究成果的基础上，围绕深埋隧洞的突涌水和高外水压力问题，系统地研究了深埋隧洞衬砌水荷载和外水压力的作用机理及计算方法等理论，并对锦屏二级水电站深埋引水隧洞的外水压力问题进行了详细的分析和研究。

The method of finite element discrete and optimal parameter back analysis is adopted.(3) Concentrated on the question of high external water pressure of the deep-lying tunnel, the basic theory and method calculating external water pressure are systematically studied.(4) Based on Jinping cascade 2 hydropower station, numerical simulation rain infiltration of seepage field under different drainage pattern and grouting pattern are studied, also, the high external water pressure is analyzed and studied and some seepage control measures are put forward.

2采用有限元离散—优化法进行参数的反演分析；(3)针对深埋隧洞的高外水压力问题，进一步分析和研究了衬砌水荷载及外水压力的作用机理和计算方法；(4)以锦屏二级水电站深埋长引水隧洞作为本文的主要研究对象，采用考虑降雨入渗渗流场分析的方法对排水方案和灌浆封堵方案不同情况下的渗流场的水头分布进行了数值模拟，并对其外水压力进行了分析和研究，提出了渗流控制的具体措施。

Through three-dimensional numerical simulation of water field in draft tube, it can show the velocity and pressure distribution in draft tube, which is helpful to optimize parameters in designing hydropower station and draft tube. It also has important meaning for optimum design of hydropower station.

通过数值模拟方法计算尾水管内三维定常流动，可以方便地揭示尾水管内的速度和压力分布，有助于进行水电站设计优化参数的选择和改进尾水管的设计，对水电站的优化设计有着重要的意义。

Power has an adequate built-in area of 330 kilovolts, five 220-kilovolt substations, Longyangxia, salt pot Gorge Power Station are the largest network in our region to the northwest, north around the Yaojie Coal Mining Bureau of the Treasury thermal power generation Plants, Xiangtang, such as hydropower station is being developed, basically forming a water and coal-fired electricity industry chain.

电力充足辖区内建有一座330千伏、五座220千伏变电站、龙羊峡、盐锅峡电站的大网皆经我区输往西北、华北各地，窑街矿务局务质煤火力发电厂，享堂水电站等正在筹建，基本形成了水、煤电产业链。

During the pipe pushing construction of the parallel steel water pipeline of Beidu-Yanger pipeline project in Ningbo, the pushing force in main pushing power station appeared unusual increasing and the construction had to be interrupted. Through the analytical comparison between theoretical and practical pushing curves as well as the analytical comparison between the tool pipe track and the form map of pipeline resting in soil, it was found that the excessive pushing force in main pushing power station was caused by excessive deviation adjustment angle which enabled the pipeline to over bend in a short distance.

在宁波市北渡－雅戈尔原水D1800mm钢管复线工程顶管施工中，出现主顶动力站顶力异常增大的现象，影响继续顶进施工，文章针对这一情况进行分析研究，通过理论顶力曲线与实际顶力曲线以及工具管所经轨迹与管道在土层中静止时的形态图的分析比较，得出主顶动力站顶力过大是因为在纠偏过程中纠偏角度过大，使管道在短距离内过度弯曲引起的。

During the big fluctuation transient condition of a hydropower station operation, in order to minimizing the water pressure and the hydraulic units' run-speed rising, optimizing the wicket gate closing law is one of the most economic way to solve the station operation security problem during the process of big fluctuation transient.

水电站运行的大波动过渡过程中，为了最大限度地减少水压上升值与转速上升值，通过导叶关闭规律来解决大波动过渡过程中水电站的运行安全问题是最经济的有效措施之一。

Firstly,establish the ecological environmental protect strip around the lake,efficiently deal with the farmland drainage.Using the pump station at the end of gutter pumps water to irrigate reed wetland.To practice man-made raising reedland.Using biology to clean up water to reduce salinity,nitrogen and phosphorus.To desalt the Beston Lake water.

首先要确立环湖生态环境保护带，使大部分农田排水得到有效处理，利用排水沟末端的扬排泵站抽取农田排出的水灌溉湖滨沼泽芦苇，实行人工育苇，利用生物净水作用减少入湖盐量和脱氮除磷，促进博斯腾湖水质淡化。

According to the project practice of pumps in Yu-zhong Steelworks, this paper put forward some water hammer preventive measures of long distance pipe pump station of water supplying, such as the multifunction controlling valve of the water pump, one-way surge tank and vent valve, etc.

根据水锤计算的特徵线法，建立了泵出口附近设单向调压塔水锤计算的数学模型，结合榆中钢厂供水泵站的工程实际，提出了长管道供水泵站采用多功能水泵控制阀、单向调压塔、进排气补气阀对事故停泵水锤的防护措施。

Based on a thorough investigation of the engineering geological condition for the reservoir region of the Huizhou Pumped Storage Power Station, the in-situ trial pit water injection test, boring water injection test, and water pressure test were performed to study the permeability of rock and soil mass.

摘要在对惠州抽水蓄能电站库区工程地质条件进行详细调查的基础上，采用现场试坑注水和钻孔注水、压水试验等方法了解岩土体的透水性。

Be practical and innovative, our team group work hard to complete the contents of the National Natural Science Foundation Project:"Study of the hydrodynamic behaviors of deep water sea cages". According to the development of the sea cage industry in domestic, two main widely concerning topics were added to our research program. They are the study of Sea station and Quasi-sea station cages. The workload and working strength increased dominately in our research. Delightful results were achieved with 26 science papers been proposed, in which 16 papers have been published or accepted by all kinds of journals or conferences.

本课题组本着努力奋进、团结创新的宗旨，在以基金申请目标为基础的大前提下，紧紧围绕当前我国深水网箱产业的发展需求，实时补充了碟形及拟碟形网箱的研究内容，大幅增加了网箱模型试验的工作量和工作强度，取得了非常可喜的研究成果，共整理学术论文23篇，其中已发表或即将发表论文16篇。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。