水工

With the construction of large water-power engineering projects in alpine and canyon area,the stability of surrounding rock,stress and deformation of lining under outer and inner water pressure become important.

随着高山峡谷地区大型水电工程的兴建，深埋地下水工隧洞的围岩稳定和内外水压力作用下衬砌应力变形等成为重点关注问题。

Then the flow regime in the wells is studied.Firstly, the energy dissipation engineerings are systematically concluded. Then circular stilling well hydraulic model is made.The paper presents guidelines to aid the designers in determining optimum well geometry for their specific needs. General design criteria have been established to determine well size based on design discharge, Q, and diameter of the standard sleeve valve, D.

本文首先较系统地总结了消能工的研究现状；设计制作圆形深筒式消力井水工模型，通过试验及数据分析建立了圆形深筒式消力井各变量间的函数关系式，得出圆形深筒式消力井水力设计的基本方法，即已知设计流量和进水管直径，由曲线可得到圆形深筒式消力井的最优尺寸，并运用工程算例进行验证。

The hydraulic splitting safety factor of pressure tunnel under inclined ground is proposed firstly.

研究了不衬砌水工压力隧洞在运行期间的水力劈裂情况、渗流场分布和内水外渗情况，首次提出陡倾地表下不衬砌压力隧洞与裂纹几何特性、力学特性和岩石断裂韧度高度相关的水力劈裂系数的概念。

With increasing development of transportation on the sea , offshore fishery and oil-gas resources, hydraulic structures of wharf have become basal facilities of these resources exploitation, they not only withstand actions of wind, wave, ocean current and tide and so on, but also meet with the presence of sea ice.

随着海上运输、海洋渔业及油汽资源开发的日益发展，码头水工结构物已成为这些资源开发的基础性设施，在承受风、海浪、海流、潮汐等荷载作用的同时，也受到冰力的作用。

The series products are developed a new fire fighting water supply equipment in accordance with the national standard GB50016-2001 (Code of design on building fire protection and prevention), GB 50045-1995 (Code for fire protection design of tall buildings), and standard GA 30 -2002 (Requirement and test methods of water supply fixed equipment used for fire-protection), based on the traditional pneumatic water supply equipment, combined with the modern advantages technology and water supply demands for fire protection.

XQZ型消防气压自动供水设备，是根据《建设设计防火规范》、《高层民用建筑设计防火规范》及公安部颁布的消防行业标准《GA30-92》，综合吸收了现代气压给水设备的特点和消防用水工况；在改革传统气压给水设备的基础上研制的一种新型消防供水设备。

The article research of exploit coal mine, lay down the plan about exploit design and prevention and cure water, the result is well.

文章通过对团柏矿下组煤开采的可能性进行研究，制定出了开采设计方案和防治水工作方案以及防治水措施，经过认真组织实施，取得了较好的效果。

The counterweight position of a drum washing machine is one of the important structural parameters, which determines the static equilibrium result of the suspension system and the vibration performance in washing or spin-dry cycle.

配重位置是决定洗衣机悬挂系统的静平衡效果，以及在洗涤或脱水工况下洗衣机振动性能的重要结构参数之一。

In order to prevent frost heave of hydraulic structures, the measures such as drainage, protecting and cutting-off migration of capillary water should be also comprehensively paied attention to.

由此阐明了工程界直接利用一定的约束压力即可有效地消减冻胀的理论依据。并指出水工建筑物的冻害防治还应采取排水、隔断毛细水、保护等综合性措施。

"Frost resistance design code for hydraulic structure"and" frost heave resistance design code for canal system engineering"are compared and analysed.

对《水工建筑物抗冰冻设计规范》和《渠系工程抗冻胀设计规范》不同特点做了对比分析，指出按各自的标准进行计算会给工程设计带来不同安全度，建议宜协调一致，以利工程设计遵循。

Though 37 years passed after the double arch and flat shell structure applied in the water power engineering, the rubber canvas faceplate has never been used.

薄壳空间结构具有很多优点，我国在水工闸门中使用双曲扁壳结构的历史已有 37年，但尚未见到采用橡胶布面板的。

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％。