水力

Analyze the characteristic and virtues of the electric balancing valve,Analyze the difference between the electric balancing valve and the electric valve,Introduce that the electric balancing valve is a integrative product with the functiongs of dynamical balancing and electrical regulating ,Introduce the application and virtues of the valve in Variableness flowrate system,Introduce the concept of All Balancing in Variableness flowrate system and characteristic of high-effiiciency and energy saving and how to come it true

摘 要：本文分析了动态平衡电动阀的特点及与传统的电动阀相比较的优点；揭示了动态平衡电动阀是区别于传统电动阀的产品，是动态平衡与电动控制一体化的产品；介绍了这种阀的应用及在系统负荷波动较大的变流量系统中的优势，同时提出了变流量水力系统全面平衡的概念、高效节能的特点及实现途径。

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。

By means of Laser Doppler Velocimeter and on the basis of the theory of fluid mechanics, the effects of the structural and operating parameters of a double-cone type hydrocyclone on the tangent velocity field are investigated.

利用多普勒激光测速仪，结合流体力学理论，试验分析了双锥体水力旋流器结构和操作参数对切向速度场的影响。

The 3-layer database storing structure is used in the new hydroelectric generator vibration and swing state monitoring system.

在开发的水力发电机组状态监测系统中采用了三层数据库结构。

Sichuan saves vice-governor Wang Huaichen to say, sichuan saves hydrodlectri......

四川省副省长王怀臣说，四川省水力资源蕴藏量10万千瓦以上河流有781条。。。。。。

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。

To provide power for a water mill.

为磨坊提供水力而造的拦河水坝。

National patent of new energy efficient pumping sand and water pump motor pump is integrated into the dielectric coaxial working hydraulic machinery.

国家专利新型高效节能抽沙泵是电机与水泵同轴一体潜入介质中工作的水力机械。

At the beginning of designing water system, considering that the high-building may make the equipments and pipes high-pressure, it is necessary to divide the water system into plane and vertical parts. According to some references, this design in the vertical part needn't be divided.

冷冻水水系统的水力计算是通过鸿业软件计算的，但由于鸿业软件本身的缺陷，为确保精度要求，在对风系统的最不利环路进行阻力损失计算时则采用了手算的方法，虽然过程比较复杂，尤其是在确定各管段的局部阻力系数时。

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。