对于天然气输送管道，需研制抗氢致裂纹的专用管线钢管；
For the natural gas transmission pipeline, the special steel pipe that can resist hydrogen cracking should be developed.
从而证明了蚁群算法应用于天然气输送管道的优化设计是可行的。
So it is proved the ant colony algorithms are feasible in the optimized design of gas transmission pipelines.
佛两线天然气输送管道检测与评价时，发现管道内焊趾多处开裂。
Cracks were found at internal weld toes of the pipes of Fo-Liang gas transporting line.
协议的公平性直接与天然气输送管道和天然气加工设备的建设有关。
"The equity of the agreement," he said, "is directly and inexorably linked to the construction of the gas pipeline and the gas processing plant."
由于内涂层管子具有很多优点，5 0多年来它在天然气输送管道中得到了广泛应用。
Pipes with internal coating have been used widely in the world for gas pipeline for past over 50 years because of many advantages.
本文重点介绍了石油天然气输送管道缺陷评定方法，简要分析了应用R6方法的缺陷评定过程并对典型缺陷进行了评定。
This article introduces the defects evaluation method for oil and gas pipeline, and analyzes the R6 method defects evaluation process, meanwhile the typical defects are evaluated.
多年来，欧洲其他国家都希望打破俄罗斯在东西贯通的天然气输送管道上的垄断地位，从高加索地区获取石油资源，这想法看似白日做梦。
FOR years, the idea that Europe might get gas from the Caucasus and beyond, breaking Russia's monopoly on east-west pipelines, seemed fanciful.
作者编制的天然气输送管道流量计算程序，不仅可用于一般工艺计算，也可对天然气在输送管道内能够达到的最大流速进行分析与判断。
The program compiled by the authors can be used not only in general technology calculation but also for analysing and judging the maximum flow rate that can be achieved in the pipe.
应力腐蚀开裂(SCC)已经被认为是天然气或石油输送管道的操作的一个重要威胁安全。
Stress Corrosion Cracking (SCC) has been considered as a vital threat to the safe in operation of gas or oil transmission pipelines.
用于石油天然气及城市燃气、热、排水输送管道的补口防腐。
Used for protecting the natural gas and petroleum pipe from corrosion.
在实际运行中，湿天然气在输送管道中存在气液两相，因此管道中的流动总是处于慢瞬变流动状态。
The wet natural gas in transmission pipeline assumes two phase of gas and liquid, so its flowing always assumes a slow transient flow state.
随着印度经济的蓬勃发展与能源严重短缺，印度希望通过一项穿越巴基斯坦，长达2千7百公里的输送管道计划获得伊朗的天然气。
With a booming economy and a serious shortage of energy, India hopes to tap Iranian natural gas through a planned 2700 kilometer pipeline that would transit Pakistan.
用于石油天然气及城市燃气、热、排水输送管道的补口防腐。
The technology is studied on steel pipeline surface by hot spraying with oxygen-natural gas.
用于石油天然气及城市燃气、热、排水输送管道的补口防腐。
The technology is studied on steel pipeline surface by hot spraying with oxygen-natural gas.
应用推荐