水动力学

The phenomenon about water vaporization-induced ammonia volatilizing is verified, and it is studied quantitatively.

此外，通过回归分析还建立了表征施入土壤中尿素转化为铵态氮的动力学型方程，其参数均与土壤水分、温度有关，并得到这些参数的水热耦合效应关系式。

Design method of water-cooling radiator is given with the theory of fluid dynamics and heat transfer.

解释了双腔并联压电泵的结构及工作原理，应用流体动力学、传热学等理论阐明了水冷散热器的设计方法，并用有限元分析软件对散热器进行热量分布仿真。

The porewater maker is very important to study the dynamics of the substances in sediments.

间隙水的制备对研究沉积物中物质的动力学非常重要。

The experiment which was to study the dechlorination of cabon tetrachloride （CCl4 ） in composite waste water and industrial waste water by alkali hydrolization method, was carried out on the bench scale and pilot scale respectively.

以配制的四氯化碳废水和实际工业废水——甲基氯化物生产废水为处理对象，分别在小试和中试规模上研究碱性水解脱氯去除废水中的四氯化碳（CCl4），主要研究四氯化碳去除效果、重要的工艺参数，并研究其反应机理和动力学。

The forming dynamics factors are restricted mainly by border condition of bank and water dynamic water flow of river.

其形成动力学因素主要受岸带的边界条件和河流水动力条件的制约。

The design of the dry-dock falling gate"s structure is researched, and integrates the disquisitions and analysis on the dynamic characteristics about dock gate, in order to make the cabin design more visualizing.(2) The emphasis of this paper is the influence of the water hole and gas hole in the tidal cabin and the influence of the drain of the air-operated cabin.(3) In this paper, the building method of the dry-dock falling gate"s parametric model is studied and the dynamic analysis is accomplished in ADAMS, furthermore, the rising-and-falling angle curve is drawn while the dry dock gate is rising and falling.(4) The paper is based on the apprehension of the past theories and researches about air-operated dry-dock falling gate, and is explicated by hydraulic rationales and rising-and-falling mechanical principles. This software is developed by inner programming language in ADAMS and VC. This design could shorten design cycle.

1研究了气控式干船坞卧倒门的结构设计，整合对卧倒门在海水中运动中的动力特性研究，使卧倒门的设计，特别使其舱格设计更具可视化；(2)重点讨论潮汐舱水孔气孔对卧倒门水上运动的影响，空气操作舱充排水对卧倒门运动的影响；(3)研究了气控式干船坞卧倒门仿真模型的参数化方法和过程，并在ADAMS中完成了系统的动力学分析，绘制出了卧倒门在起卧过程中的运动特性曲线；(4)通过对已有的气控式干船坞卧倒门的实验成果和成形理论的解读，在理解其起浮和卧倒机理基础上，应用VC和ADAMS二次开发语言进行设计软件开发，定制了友好的用户化中文人机交互界面，使设计人员可以方便快捷地对卧倒门门进行设计开发，缩短了设计周期。

A high-speed camera is used to visualize the flow structures,and Laser Doppler Velocity is employed for velocity measurement.The osculations are conducted on the two-dimensional hydrofoil section,based on a single-fluid model of the cavitation:the liquid/vapor mixture is considered as a homogeneous fluid whose eompsition is regulated by mass tranfer equation.The RNG k-ε turbulence model with modified eddy viscosity coefficient is used for computing,and the coefficient is related to the vapor and liquid densities in cavitated regions for simulating the cavitating flow.

实验采用高速录像技术观察了云状空化随时间的结构变化，应用 LDV 测量了云状空化条件下翼型周围的速度分布；采用 N-S 方程和基于空泡动力学方程的空化模型计算了绕水翼云状空化流场，湍流模型采用了 RNG k-ε方程，为了改善空化流动的计算精度，引入了一种与空化区域水汽相密度相关的系数，对湍流涡黏性系数进行了修正。

The osculations are conducted on the two-dimensional hydrofoil section,based on a single-fluid model of the cavitation:the liquid/vapor mixture is considered as a homogeneous fluid whose eompsition is regulated by mass tranfer equation.The RNG k-ε turbulence model with modified eddy viscosity coefficient is used for computing,and the coefficient is related to the vapor and liquid densities in cavitated regions for simulating the cavitating flow.

实验采用高速录像技术观察了云状空化随时间的结构变化，应用 LDV 测量了云状空化条件下翼型周围的速度分布；采用 N-S 方程和基于空泡动力学方程的空化模型计算了绕水翼云状空化流场，湍流模型采用了 RNG k-ε方程，为了改善空化流动的计算精度，引入了一种与空化区域水汽相密度相关的系数，对湍流涡黏性系数进行了修正。

The paper presents the structure and relative dynamic calculation of nozzles, key components in high pressure water descaling .

介绍了高压水除鳞技术及关键部件喷嘴的结构及有关动力学分析计算。

Squarylium dyes dimers in n-propanol-water system were investigated and two different aggregation properties were found.

研究了染料在正丙醇／水混合溶剂体系中的聚集动力学行为，发现染料形成了二聚体。

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。