水力的

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。

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。

Therefore, the research on flow characteristic in the confluence of main stream and tributary stream has practical meaning.

因此，研究交汇河段的水流水力特性具有很大的现实意义。

So it is significant to enhance the Francis turbines hydraulic performance and stability.

因此，提高水轮机的水力性能和工作稳定性具有十分重要的现实意义。

The results show that electro-flotation cell is a unit of high performance in solid-liquid separation.

研究表明，电解浮选是高效的固液分离单元，水力停留时间和电流密度是主要的影响因素。

In order to optimize the nitrification design of the bioreactor,the influence of applied loading and temperature on the population structure of microorganisms in a two-stage upflow biological aerated filter was investigated.

为优化反应器的脱氮设计，就水力负荷、温度对二级上向流曝气生物滤池内微生物种群结构的影响进行了研究。

And a few stacks are evidently curved, which shows the compression parallel to the bedding. According to the relation-ship between stack, bedding and hydraulic fractured-filled quartz veinlet, the very low metamorphism is regarded as the product before the regional deformation structure-thermal event.

根据堆垛集合体、层理及早世代水力破裂充填石英微细脉体间关系，认为极低级变质作用是区域变形构造热事件之前的产物：变质温度在 15 5～ 35 0°C之间，变质级、地层时代及岩层在地层柱中的位置渐趋一致，与区域变形强度缺乏谐调关系。

Optimization system of reaction turbine runner based on numerical simulation of 3D viscous flow is established.

本文建立了一套基于三维粘性流数值分析的反击式水轮机转轮水力性能的优化方法。

The effects of geometry parameters of the impeller and volute for passing perfor-mance and efficiency were analyzed and the hydraulic design method was introduced.

分析了叶轮和蜗壳各几何参数对该泵的通过性能和效率的影响，并提出水力设计方法。

The most effective water power in the world is women's tears.

世界上最有效的水力是女人的眼泪。

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。