The long gas pipeline is a regulating object of distributing parameter.
长输气管线是一个具有分布参数的调节对象。
This paper gives a theoretical and analytical solution of the dynamic response for long gas pipeline in the form of infinite series with Bessel functions.
本文以贝塞尔函数级数和的形式，给出了动态特性的理论解析解。
In December a pipeline 7,000 km (4,400 miles) long opened, bringing gas from Turkmenistan to China, via Kazakhstan and Uzbekistan.
去年十二月，一条长达7000公里(4400英里)的输油管线正式投入长期使用，该管道从土库曼斯坦出发，途径哈萨克斯坦和乌兹别克斯坦，向中国输送石油。
But this is possible only because the pressure of the field is strong enough to keep the gas flowing through the long pipeline back to shore.
不过这可能只是这个气田的压力场强大到足以使天然气流经长距离的输管线回到岸上。
This article is useful for the oil pipeline optimal operation and long distance gas pipeline design to some extent.
本文对热油管道的运行优化和天然气长输管道设计也具有一定的借鉴意义。
A mathematical model for accidental gas release in long transmission pipeline was given, on the basis of computational fluid mechanics.
应用计算流体力学理论，给出了长输管线气体泄漏率新的计算方法。
The cause of blocking sour gas pipeline was analyzed and its improvement was brought forward. It overcame the difficulty of long period operation due to pipeline blocking.
分析了酸气管线堵塞原因，提出了改进方案，解决了因酸气管线堵塞影响装置长周期生产的难题。
Internal coating used in high pressure, large diameter and long distance gas pipeline has two main functions, one of them is anti corrosion and the other is drag reduction.
高压、大口径、长输天然气管道采用内涂层主要具有两大功能，一是防腐蚀，二是减阻。
On the basis of long term practical experience it is known that gas pipeline network has a lot of advantages compared with single gas pipeline.
人们从长期的实践经验中认识到，实现输气管道网络化，比单条管道具有更多的优越性。
Crackings occurred three times in elbow bend since one domestic long distance gas transportation pipeline came to used in 1993.
国内某长距离煤气输送管道于1993年投入运行以来，先后三次在管道弯头部位出现裂纹，导致煤气泄漏。
This paper describes different hydraulic characteristics of piping of gas gathering station, compared to one of long distance gas pipeline.
本文介绍了天然气集输站场管路与长输干线水力特性的区别。
Long distance natural gas pipelines are operated under high pressure, so pipeline operation security takes precedence of any other considerations.
天然气长输管道属高压运行，因此确保管道安全运行是首要目标。
Besides the second long-distance pipeline, expansion of Dazhangtuo underground gas storage project and other new underground gas storage projects will be constructed as well.
建设天然气进京第二条长输管线工程、大张坨天然气地下储气库扩建工程及其他的天然气地下储气库工程。
Finally, based on SCADA system a plan, to detect and locate the long natural gas pipeline leakage, is proposed in the paper.
最后，本文基于SCADA系统，提出了天然气长输管道的泄漏监测与定位系统的构建方案。
This paper introduces the oversea and domestic research generalization, progress, main assessment methods and the exiting problems of long distance oil-gas pipeline engineering risk assessment.
介绍了油气长输管道工程风险评价的国内外研究概况、进展、主要评价方法及存在的问题。
But for now, differences delay even seemingly sensible commercial projects, such as a long-planned gas pipeline from Russia to China.
但从现在来看，两国之间的分歧甚至阻碍了一些看起来明智的商业项目的实施，包括一条计划已久的从俄罗斯通往中国的天然气管道。
This paper evaluates underground gas storage on the base of combining the particularity of long-distance transporting pipeline, and gets economic benefit incarnate cost.
对储气库的经济效益进行了研究，结合天然气长输管道的特殊性，评价了地下储气库的经济效益。
The gathering pipeline network of old block gas field have been running for a long time.
老区块气田集输管网使用年限长，管道外防腐蚀层破损严重，普遍存在腐蚀现象。
Bends are the important parts in the long distance pipeline of oil and gas.
弯管是长距离油气输送管道的重要组成部分。
The natural gas pipeline from Hangzhou to Huzhou is a large branch of "West-to-East gas pipeline", and the first long-distance gas pipeline in Zhejiang Provice.
杭州—湖州天然气输气管道工程是西气东输工程主要支干线之一，也是浙江省的第一条天然气长输管道。
The acceptance method, used to monitor recovery of banded plant destroyed in the process of laying long-distance natural gas pipeline, is discussed in the paper.
探讨了长距离输气管道工程埋设过程中造成的带状植被破坏后的恢复监测验收方法。
Selection program and principle of pipes for long distance oil and gas transmission pipeline is introduced.
介绍了长输油气管道用钢管的选用程序和原则。
A mathematical model of steady state gas release flow rate in long distance pipeline is given by use of computational fluid mechanics.
应用计算流体力学理论给出了长输管道稳态气体泄漏率的计算方法。
For such a long natural gas transport pipeline, gas leakage is unavoidable because of pipeline aging, lithosphere shift and geographic disaster.
如此绵长的输气管道，随着管道设施的老化、地质结构的变化、地质灾害的发生，天然气的泄漏在所难免。
LSAW pipes, made by thick steel plates through compacting, are main pipeline products for long-distance transportation of oil, natural gas.
直缝埋弧焊管是长距离输送石油、天然气的主要管线产品，钢管由厚钢板压制成形。
Fully welded ball valve is widely used in natural gas, oil, heat, chemical and thermoelectric pipeline network and other long-distance pipeline fields.
全焊接球阀广泛应用于天然气、石油、供热、化工及热电管网等长输管线领域。
For the safety of gas transmission in long distance pipeline, the method regarding how to get the proper value of pressure drop rate for the fast block valve on pipeline is studied.
根据输气管道安全的需要，对干线快速截断阀压降速率设定值的确定方法进行了研究。
Welding is an important element of the long-distance natural gas pipeline project. Welding quality affect the reliability and operational safety of the pipeline.
焊接是长输天然气管道工程中的重要环节，焊接质量关系着管道的使用可靠性和运行安全性。
The scheme determination of long distance gas transmission pipeline is analyzed, and the optimized design calculation of long distance gas transmission pipeline is discussed.
分析了长距离输气管道方案的确定，探讨了长输管道的优化设计计算。
The scheme determination of long distance gas transmission pipeline is analyzed, and the optimized design calculation of long distance gas transmission pipeline is discussed.
分析了长距离输气管道方案的确定，探讨了长输管道的优化设计计算。
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