查询词典 water-supply 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。

To discuss the feasibility of applying this technique into the practice of engineering, this paper references the real project of the running tunnel from Great Showplace to Scientific House in Shenzhen Metro, uses the geotechnical centrifuge of Southwest Jiaotong University, then researches the settlement of the ground and the influence on the pipeline underground in stratum with abundant water by the technique of undraining spin-spay pile, at last draws a conclusion about the principle of the ground settlement with the construction method of excavating soil rich in water without dewatering at Shenzhen Metro.

为了探讨离心模型试验技术这一研究手段在地下工程中应用的可行性，结合地质、水文、结构较为复杂的深圳地铁大～科区间暗挖施工SK3+355断面的具体实例，应用我校新近建成的100gt土工离心试验机，采用离心模型试验技术对在富水地层应用水平旋喷桩工艺进行控制降水施工对地表沉降变形及地下管线的影响进行了研究。

With the background of the first sole-layer lining water tunnel - Qingcaosha raw water tunnel undercrossing Yangtze river, and based on the engineering characteristics, building requirements, geology and surrounding environment, this paper analyzes technical difficulties in the course of construction from the aspect of construction of hyper deep pit and long-distance tunnel.

摘 要 文章以国内首例单层衬砌输水隧道工程－青草沙原水过江管工程为工程背景，在深入研究工程特点、建设要求、工程地质情况、周边及沿线环境的基础上，从超深基坑施工和长距离隧道施工的技术难点进行分析，并提出控制措施及建议。

Combined with airport avenue works in Taiyuan,from preparation work,construction drainage pipe and well,water-enclosed test,trench back filling,drainage construction and other aspects the construction technology of rain-water pipe in municipal engineering is introduced in detail in order to ensure the drainage effect of pavement as well as safety for flood-passing.

通过太原市机场大道新建工程的施工，从施工准备、排水管施工、井室施工、闭水试验及沟槽回填、排水施工技术措施等方面详细地介绍了市政工程雨水管施工工艺，以保证公路路面排水畅通，同时确保城市安全渡汛。

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。

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％。