水利工程

The difference lies in the property right carrier,research objectives,price and degree of being superintended,etc.

改革开放后，我国水利工程建设和管理的改革已经逐步深入，尤其是随着新世纪的到来，改革的力度逐渐加大。

This research will contribute to understanding the Holocene environmental change in north-eastern Tibet Plateau,as well as providing references to local hazard prevention,hydraulic engineering,and sustainable development,by reconstructing the palaeoflood history in the Guide Basin,where the upper Yellow River wriggles.

贵德盆地是黄河流域上游一个典型盆地。通过河漫滩沉积物来恢复该区古洪水的历史不仅对了解黄河上游洪水与水文气候变化有着重要理论价值，也能为现代防灾减灾和水利工程建设、可持续发展提供借鉴依据。

Applyingsome inorganic materials, such as sodium silicate, aluminum and potassic sulphate, ferricchloride, sodium aluminate, the author manufactured a new-style JYQ 796 high efficiencyinorganic waterproof and dampproof agent.

针对国际国内各类建筑工程、水利工程、装饰工程等存在着严重的渗水漏水问题，本文以硅酸钠、硫酸铝钾、氯化铁、偏铝酸钠等多种无机原料，成功地研制了一种新型JYQ796型高效无机防水防潮剂，它主要分为无机快速堵漏型(配方4)和高效防水防潮型(配方6)两大类。

Haimen-wan bridge lock is situated on the mouth of the sea in Caoyang city of Guangdong province. It is a hydraulic engineerin g with many uses.

海门湾桥闸位于广东省潮阳市出海口，是一个综合性的水利工程。

Nations have tried ad hoc irrigation witnessing widespread saline crop pasture land.

一些已经尝试过非常规水利工程的国家亲身经历了放牧作物地盐碱化的扩大。

It is a large scale and long distance water transfer project,which is also the largest and most expensive water transfer project in the hydraulic engineering history of the united states.

该工程是一项大型远距离调水工程，也是迄今为止美国水利工程史上规模最大、费用最高的调水工程。

Because of regulation of irrigation works, the water level can keep a fair-sized altitude throughout the year.

由于水利工程的调节作用，&小西湖&水位常年可保持在一定高度，满足四季游乐的需求。

Three dimension and turbulent are common characteristic of fluid flow problem in nature and added free surface for the best familiar fluid-water, such as flood discharge flow around frusta of brake in waterpower project, flow around hull in ship engineering, and so on, all have the three characteristics which are the very important study content and aspects in CFD.

摘要自然界中的流体流动问题一般都具有三维性和湍动性，对于最常见的流体—水则同时还拥有自由表面，水利工程中绕闸墩的泄洪水流、船舶工程中的船体绕流等均具有上述流动的三种特性，这三种特性是计算流体力学领域非常重要的研究内容和方向。

On the basic of above job a mathematical model of simulation turbulent flow with free surface is established and triumphantly applied to numerical computation on 2D spillway and 3D spillway with frusta of brake.

自然界中的流体流动问题一般都具有三维性和湍动性，对于最常见的流体—水则同时还拥有自由表面，水利工程中绕闸墩的泄洪水流、船舶工程中的船体绕流等均具有上述流动的三种特性，这三种特性是计算流体力学领域非常重要的研究内容和方向。

Three dimension and turbulent are common characteristic of fluid flow problem in nature and added free surface for the best familiar fluid-water, such as flood discharge flow around frusta of brake in waterpower project, flow around hull in ship engineering, and so on, all have the three characteristics which are the very important study content and aspects in CFD.

三维自由面湍流场数值模拟及其在水利工程中的应用-数值模拟

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。