水力

And also puts forward improving measures for reducing hydraulic loss in suction piping and installing low speed prime pump in suction system.

在合理确定吸入系统的装置方面，提出了减少吸入管路的水力损失和在吸入系统安装低速前置泵的改进措施。

Hydraulic transients of transport water system in water power stations are aboutwater hammer and surge in surge chamber, which are caused by load changes ofelectrical machine set in water diversion system or tail water system.

水电站输水系统的水力过渡过程是指由于电站机组负荷变化，在水电站输水系统中产生的水击、调压室涌波的过程。

With respect to the optimization design of sewer network,tree structured theory was used to depict the sewer network,ternary tree form was proposed to treat the sewer network structure,and pipe section was regarded as node in this study.

对于污水管网的优化设计，采用了图论中树形结构的理论来描述污水管网，提出用三叉树的形式来处理污水管网的网络结构，把管段当作树的节点作为研究对象；利用树的遍历中的后序法进行水力计算，在优化计算时采取了枚举标准管径法来选取管径，可以提高运算速度；在优化程序中寻求造价最低、最优的同时考虑了管道费用和泵站费用。

According to the characteristics of Guanting Reservoir as being long, narrow and shallow, and those of hydrologic、hydrodynamic and water quality diffusion, CE-QUAL-W2 model is used to stimulate the water quality transformation; and the water quality parameters of the model are tested and verified.

根据官厅水库狭长、水浅和水文、水力、水质扩散等特点，采用CE-QUAL-W2模型模拟其水质变化，并对模拟模型水质参数进行验证，将其用于官厅水库水质的预测研究；进而提出官厅水库水污染控制的对策及建议。

Hydroelectric plant design became fairly well standardized after World War I with most development in the 1920's and 190's being related to thermal plants and transmission and distribution .

水力发电厂设计变得相当好地规范化在与多数发展的第一次世界大战以后在关于火电厂的1920's和190's和传输和发行。

School of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China）Abstract: Mathematic model of the tiny terrain covered cobalt-rich crust and the cutting process of mining head's cutting tooth were established by considering the force of sea water, and simulation software was developed by GUI tool of Matlab software to study the distributive properties of maximum load of the cutting tooth.

摘 要：考虑海水力的作用，建立深海钴结壳微地形的数学模型和采矿头截齿切削过程的数学模型，应用Matlab软件GUI工具编制相应的仿真程序，并通过实验验证仿真模型的正确性和仿真软件的工程有效性。

The developments of plant topological and geometrical structure changed the hydraulic structure at the same time.

植物拓扑结构和几何结构的生长与变化同时也决定了植物水力结构的变化。

The results indicate that residual chlorine, turbidity and pH have close relation with total iron content of the water.

改变水力、水质条件，根据不同条件下实验管网中总铁含量的变化情况，分析了浊度、余氯、pH值、流速与铁释放现象的相互影响机理，提出了控制铁释放的方法。

We can transmute water power into electrical power.

我们能将水力变为电力。

We can transmute water power into electrical power .

我们能将水力变成电力。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。