管道

Polyethylene pipe is very good material for engineering, and it is wildly used for gas engineering.

聚乙烯管道是一种优良的工程管道材料，在燃气工程上应用尤其广泛。

This paper relates to describe thedesign of thermal pipe line, the calculation of thermal stress and its inference to the pipe line engineering,flexible pipe system and selection of the form of the compensations, to reach the optimized design andengineering prepotency finally.

本文介绍了在热力管道的设计方面应引起注意的几个重点问题，说明热应力的计算及其对管道工程的影响，管系柔性以及对补偿形式的选择，以达到设计优化、工程"优生"。

ABSTRACT: In order to establish the reliability model of long pipeline and rope, which is capable of reflecting the correlativity between virtual components, the present paper illuminates the segment partition principle of long pipeline and rope continuity system, relationship between sizes of virtual segments and features of flaw distribution, distribution of segment intensity, the failure correlativity among components, relationships of segment sizes, relationships between distribution of system intensity and that of segment intensity and so on.

为了建立能反映虚拟的"元件"间失效相关性的长管道或缆绳的可靠性模型，论述了管道、缆绳类连续系统的单元化原则，虚拟单元的尺寸与缺陷分布特征的关系，单元强度分布及单元间的失效相关性与单元尺度的关系，系统强度分布与单元强度分布的关系等。

In order to establish the reliability model of long pipeline and rope, which is capable of reflect ing the correlativity between virtual components, the present paper illuminates the segment partition principle of long pipeline and rope continuity system , relat ion ship between sizes of virtual segment s and features of flaw dist ribution, distribution of segmentin tensity, the failu recorrelativity among components, relat ion ships of segment sizes, relation ships between distribution of system intensity and that of segment in tensity and so on.

摘 要：为了建立能反映虚拟的"元件"间失效相关性的长管道或缆绳的可靠性模型，论述了管道、缆绳类连续系统的单元化原则，虚拟单元的尺寸与缺陷分布特征的关系，单元强度分布及单元间的失效相关性与单元尺度的关系，系统强度分布与单元强度分布的关系等。

The quantitative analysis of the input parameters can be done by probability random sampling deduction method for the leaking source of pipeline gas.

采用随机抽样推断法对管道煤气泄漏源的输入参数的不确定性问题进行定量的分析，并且讨论了泄漏时间的不定性与确定泄漏源强度的关系，提出了管道气体泄漏时间估算方法。

Load Proportionality Factor curve can entirely describe the buckling process of the PIP systems.

以分析不稳定平衡问题的改进Riks方法被证明为高温海底管道屈曲分析的有效算法，得到的弧长－载荷比例因子曲线能够充分地描述双层管道的屈曲失稳过程。

The provenance of the oil and gas pipeline 's integrity management is given out in this paper.

介绍了油气管道完整性管理的起源、概念及其技术内涵，以及油气管道完整性管理体系的各个组成要素。

Valve protection feeding pomp central air or regulator hydrolic pomp for truck,skip pomp injection complete nose injectors strap of motor's distributor pistons chemists bielles segments complete pad turbo compressor hydrolic deposit ecantor filter disk clutching deckutching compressors round of pressure on copper cylinder receiver cylinder transmitting kit of verin's restoration starter alterator front spring extractor chemist necklace of segment spring of declutching spring of clutch oil deposit stand radiator complete fork attach top speed lever pipe escape filter for bath oil Cap of filter for bath oil Nut + gourgeon of rear wheel Nut + gourgeon of front wheel Lid tank Rear spring Bar of directon Spindle of truck Nut reductor Nut of transmission accelerator cable spring of remember engin stop hand brake accelerator speed lever hydrolic pipe go hydrolic pipe return radiator of water pipe of radiator high pipe of radiator down system radiator intercooler +pipes alternator cross button starter key chatetonne turn head

保护阀 喂养泵中央空调或调节液压盛大的卡车，跳过注射泵完整的鼻子注射皮带的汽车经销商活塞化学家 bielles 部分完成垫涡轮压缩机液压存款 ecantor过滤器磁盘抓着 deckutching 压缩机轮压对铜气缸接收机气缸转递包verin的恢复简化版 alterator 前春天提取化验师项链的部分春天declutching 弹簧离合器石油储量站在散热器完成叉重视最高时速杠杆管道逃生滤波器的沐浴油第过滤的沐浴油螺母+ gourgeon的后轮螺母+ gourgeon前轮盖坦克后方春天律师directon 主轴卡车螺母减速器螺母传动加速器电缆春天记得引擎停止手制动加速器高速杠杆液压管去液压管返回水箱水管散热器高管散热器下跌系统散热器中间+管道两岸交流按钮起动机关键 chatetonne 反过来头你写的这些英文只能这么翻译了你自己看着用吧

The principle of the design of the duct system for the exhaustion of lacol air and a method of determining calculated static pressure and calculating residuary static pressure are introduced.

介绍了局部排风管道系统的设计原理以及计算静压和剩余静压的计算方法，最后给出了根据设计原理求解管道直径的方法和工程实例。

The research work consists of the analysis and determination of the dominant propagating waves in pipe, the revealment of nature of energy propagation and distribution in pipe-fluid system, the establishment of the energy flow measuring theory and methodology and the realization of energy flow measuring system.

研究内容包括：分析确定管道系统中的主要振动波，揭示流体管道系统中振动能量流的传递和分布规律，建立关于管壁振动能量流的测量理论与方法，实现能量流的测量技术。

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。