查询词典 water-power engineering

From the aeolotropy of hard rock of tunnel engineering region, the stress distribution of several kinds of fault to the water gushing of tunnel, the type of geology disaster involved in macrocharacter, main control factors, disaster mechanism and control strategy in tunnel excavating are studied systematically in this thesis. The purpose is to establish a theory and technology method for forecast and decrease disaster in tunnel excavating.

本文以硬岩隧道开挖工程区域岩体的各向异性研究为起点，从不同类型断层为主要构造形迹的应力分布特征出发，并结合隧道地下涌水灾害，系统研究隧道开挖的地质灾害类型，以宏观表象、主控因素、灾害机制及防治对策为主要研究内容，全面深入研究旨在为隧道开挖期间防灾、减灾提供理论基础与技术路线。

Geological condition is the important factors in study on tunnel excavating disaster inevitably. From the aeolotropy of hard rock of tunnel engineering region, the stress distribution of several kinds of fault to the water gushing of tunnel, the type of geology disaster involved in macrocharacter, main control factors, disaster mechanism and control strategy in tunnel excavating are studied systematically in this thesis.

中文题名隧道开挖地质灾害规律与防治对策研究副题名外文题名 Study on tunnel excavating geology disaster regular and control trategy 论文作者杜炜平导师古德生院士学科专业岩土工程研究领域\研究方向学位级别博士学位授予单位中南大学学位授予日期2001 论文页码总数108页关键词隧道工程地质灾害岩爆馆藏号BSLW /2003 /U45 /1 隧道开挖灾害研究必然以地质因素为其主要研究对象。

In virtue of the image analysis techniques and combined with the aerated water flows questions in hydraulic engineering, the corresponding questions in digital image measurement techniques for gas-liquid two-phase flow are studied.

本文运用数字图像处理与分析技术，结合水利工程中的掺气水流问题，研究水气两相流的数字图像测量技术中的相关问题，主要结论和成果如下：(1)研制了一套用于水气两相流动研究的测量与分析系统。

Function of air valve for water hammer protection is analyzed with method of characteristics through practical engineering example.

针对长距离有压输水系统的特点，从基本的空气动力学方程入手，分析推导了空气阀的数学模型，并采用水锤计算的特征线方法，进行了空气阀水锤防护的实例分析。

Alcibiades mechanical engineering department in the rotary joint, metal hoses, water-sealing device, such as mechanical design and manufacturing of young companies.

亚西机械系从事旋转接头、金属软管、输水器等机械密封装置设计制造的年轻公司。

Thus, the sea engineering will appear the phenomenon that part is decay. It needs to carry on the partial antisepsis in the water.

这样，海上工程就会出现局部被腐蚀的现象，需要在水下进行局部防腐。

Two main aspects of the research work are as follows:(1) The paper introduces the experimental ice forces on semi-circular breakwaters which is made by State Key Laboratory of Coastal and Offshore Engineering of Dalian University of Technology and calculate the ice value for different radius semi-circular component, based on which it speculates on that horizontal ice value and water level accord with biquadratic polynomial function, meanwhile, the paper analyses incidence of ice heap to horizontal ice value of semi-circular component.

论文的主要工作有三部分：(1)主要介绍大连理工大学海岸和近海工程国家重点实验室所做的物理模拟试验，应用水平冰力计算公式计算了不同半径半圆型构件的冰力值；根据这些数值的分析，推测半圆型构件水平冰力与水位符合四次多项式函数关系；同时分析了碎冰堆对半圆型构件水平冰力影响。

Waste water treatment is major application of chemical engineering in BL system.

废水处理是化学工程在生物系统中的一个重要应用。

Our company is a high-tech enterprise which specializes in water pollution control, water saving projects and environmental engineering.

我公司是专业从事水污染治理、节水工程及环境工程的高科技企业。

Research on the natural attribute of water resources is the stretch of hydrology in hydrologic cycle, and the knowledge in water resources involve hydrology, engineering, environmental science, management science, economy and etc..

水资源的自然属性的研究是水文学在水文循环领域的延伸，而水资源学的知识是水文学、工程科学、环境科学、管理科学、经济学等学科在伸向水资源领域的横截面。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新