管道中的

By application in one large ethylene engineering,it was demonstrated that the welding procedure of chrome molybdenum alloy steel was right and rational,at a greater degree,it improved the welding quality and decreased defects in the welding process.

通过在某大型乙烯工程施工中的实际应用，验证了此铬钼合金钢焊接工艺是正确合理的，能够较大程度提高管道焊接质量，减少焊接时各种缺陷的产生。

In these years, it has been taking effect in many fields such as in mineral resource, in oilfield, in coalfield, prospecting, frozen earth, ocean geology .etc.

在工业无损检测和建筑行业中的质量检测、城市地下管道的质量检测、地下考古方面也有很大的应用前景。

Subsequent chambers are used to cool the ash, and may contain water-cooled tube bundles cooled with either economizer water or service water.

余下的各个室就是用来冷却炉灰，可能包括水冷管道，里面的水是节约装置中的水或是维修用水。

The aim of this paper is to examine the concept and application of the EMS within the construction industry.

本文旨在检验环境管理系统在建筑业中的设想和应用情况，并结合喀麦隆乍得石油管道项目，从系统的角度对建筑项目的环境管理进行了研究。

Firstly, according to international project experience and information offered bylocal water conservancy department, the through section risk equivalency isdetermined.

本文首先根据国际工程中的经验和国内水利部门提供的资料，确定了输水管道穿越段风险的风险当量。

It is a quite hotspoted problem for the research of the flow in a curved pipe in the hydrodynamics domain.

曲线管道流动的研究是流体力学领域中的一个十分受关注的热点问题。

The steel-lined reinforced concrete penstock on downstream dam is a very important kind of non-bar hydraulic structure and is widely used in the hydraulic engineering.

坝后钢衬钢筋混凝土压力管道是非杆系结构中的重要一类，现有的基于弹性应力图形的设计理论和方法已难以满足工程要求。

It is shown that the initial stress in the hollow cylinder can be determined by means of the measurement of phase velocity.

结果表明，预应力对于管道中传播的压力波的相速度有明显的影响。

2 During each sequence of prefabrication, marks of pipeline shall be checked. Transfer of marks shall be done well.

SH 3501-2002 6.1.2 管道预制过程中的每一道工序，均应核对管子的标识，并做好标识的移植。

Shanghai Co., Ltd. in the plastic pipe industry in China specializing in the production of PP-R pipeline system, one of the production, the company headquarters is located in the Shanghai Composite Industrial Development Zone Zhuang line industrial roundwood production base covers an area of about 30,000 square meters, the company each year Productivity reached 10,000 tons produced a total of 20-160 mm in 10 series, three colors, nearly four pressure levels over 300 species of specifications and pipe fittings.

上海中塑管业有限公司是我国专业生产PP-R管道系统的生产商之一，公司总部座落于上海综合工业开发区庄行工业圆，生产基地占地面积约30000平方米，公司每年生产力达到10000吨共生产20-160mm的十大系列，三种颜色，四大压力等级近300多个规格品种的管材和管件。

The basic concept of FOP can be summarized as to further optimize effective prescription according to the standard of curative effects and with the aid of modern science and technology and theories of traditional Chinese medicine.

其基本内涵可概括为：以确有疗效的中药复方为研究对象，以现代科学技术和传统中医药理论为技术支持，以该复方所治病证的药效响应为评价标准，以优化重组疗效更优的新复方为研究目的。

Ever since our world has been a world, native forests have been indiscriminately exploited by man.

自从我们的世界一直是世界原生森林被任意剥削人。