水力的

A novel photocatalytic reactor, which can use sun light and graniform photocatalyst, was developed and evaluated. Hydraulics studies show that the actual mean residence time was approximately 1. 5 to 2 times greater than the theoretical mean residence time, which is of great advantage for degrading the pollutants in the reactor, and that the high reaction rate can be obtained by increasing the rotational speed.

设计了一种新型提升式圆盘多相光催化反应器(exalting round-platephotocatalytic reactor，ERPPR)，该反应器的主要特点是能够利用太阳光和粒状催化剂，通过对ERPPR水力学特性的研究发现，该反应器的实际平均水力停留时间约为理论平均停留时间的1.5到2倍，反应器内循环流量与提升桨转速成正比。

For reactor, the point reactor kinetics equation with six-group delayed neutrons is used and influence of coolant's and fuel's temperature is considered, conduction model of one dimension and single-channel model is used in thermal and hydraulic calculation, third-order Hermite polynomial is used to solve the point reactor kinetics equation.

对于反应堆，在物理计算中采用了带有六组缓发中子的点堆方程，同时考虑了多普勒效应及冷却剂温度效应对反应性的影响；在热工水力计算中采用了一维的热传导模型与单通道模型；在求解点堆方程中采用了Hermite插值的方法，克服了点堆方程的刚性问题。

With the development of numerical technology of hydrokinetics and computer, there is considerable progress in the research of the three-dimensional turbulence field within the hydraulic machine; it has already become one of the focuses.

随着流体动力学数值求解技术和计算机软硬件技术的发展，水力机械叶轮内部的三维湍流场的研究有了长足的进展，已成为研究的热点之一。

Finally, calculate on the actual situations of Sanbanxi Project on the basis of above theoretic outcome of researches and achieve a result accordant with the data of model test; and, taking this project as the object, make a study on the influence of water level variations at the infall of tunnel exit on hydraulic parameters of closure gap and conducts sensitivity analysis.

最后，利用上述研究的理论成果，对三板溪工程的实际情况进行计算，取得了与模型实验数据较吻合的结果；并以此工程为对象，研究隧洞出口汇流处的水位变化对龙口水力参数的影响程度，进行敏感性分析。

The determination of formation fracture pressure and the geometry of hydraulic fracture is critical for designing rational fracturing program, providing optimal operation pressure, avoiding interzonal crossflow caused by excessive fracture height, and better stimulating the reservoirs.

确定地层破裂压力和水力压裂裂缝延伸几何形态，对于设计合理的压裂方案、提供合理的压裂施工压力、避免压裂裂缝高度过高导致地层间的层间窜漏、更好地达到改善储层的目的至关重要。

Analyses characteristics of the household horizontal heating system in residential buildings. Proposes a hydraulic calculation method applying Kirchhoff law, which is superior to traditional methods in theory and practice.

分析了分户水平式供暖系统的特点，提出了在室内供暖系统中运用基尔霍夫定律的新的水力计算方法，从理论上对所提出的方法和传统方法进行了比较，并通过实例验证其优越性。

This paper analyzes the effect of gravity head on different forms of low temperature hot water heating system common riser, by using Kirchhoff s law analyzes downfeed and upfeed two-pipe system s hydraulic balance status.

本文分析了重力作用压头对低温热水计量采暖系统共用立管形式的影响，通过运用基尔霍夫定律分析了下分异程式双管系统和下分同程式双管系统的水力平衡状况，得出了下分异程式双管系统更适用于低温热水采暖系统的结论，并确定了立管经济比摩阻的范围和下分异程式双管可以负担的楼层数。

The assay obtained the results in aspects below:1 、 customing the system for designers, building new style of lines, predigesting and combing the commands, and writing some simple but useful programs for the real needs of design.2、 according to the drawing standard of Water and Waste Water System, making equipments, instruments, accessories which were often used to be a block, then building magic lantern menu which can be easily used.3、 setting up a Aided System of calculating which remedied the lack of calculation function of AutoCAD.

开发了针对建筑给排水设计的辅助计算系统，弥补了AutoCAD本身不具备计算功能的缺憾。本系统为设计人员提供了给水、排水、消防、热水等系统的水力计算，并能进行水箱、化粪池、消火栓的选型。

Based on the example in Min114 block at Xinmin oil field,the authors analyze the relation of the fracture and crustal stress,measure the direction and length of the hydraulic fracture by receiving the microseism signals when the terrene is broken,which provides a basis for deploying reasonable flood pattern for development of low permeability reservoir.

以新民油田民114区块为实例，利用微震裂缝监测技术，通过接收地层破裂时的微震信号测定水力压裂产生的人工裂缝的走向与长度，分析裂缝发育与地应力的关系，为低渗透油藏开发中合理部署注采井网提供依据。

Jobs in the green sector include hybrid car engineering, solar panel production and sales, wind farm design, hydroelectric and geothermal power management and pollution control jobs among the nongreen sectors.

这个行业可供选择的工作范畴很广，例如：混合动力汽车开发、太阳能电池板的生产和销售、风力农场设计、水力地热能源的利用以及一些非"绿色"行业的污染控制等。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。