The evaluation of large gas pipeline network operation program.
进行天然气管网运行优化方案评价。
A novel leak detection and location method for oil pipeline network is proposed.
提出了一种新颖的基于模式识别的输油管网泄漏检测与定位的方法。
An oilfield water flooding pipeline network is a large-scale fluid network system.
油田注水管网系统属于大规模复杂流体网络系统。
Parameter optimization design is an important problem in pipeline network layout design.
参数优化设计是管网规划设计中的一个重要问题。
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。
Aimed at these problems, partial pipeline network is renovated adding oil-gas mixture pumps.
针对这种情况，对部分管网进行了改造，加设了油气混输泵。
So it is very important to study the optimum design of city natural gas pipeline network system.
因此进行城市管网规划设计的研究具有重大的实际意义。
This is China's Junggar Basin in Xinjiang built along the first set of annular gas pipeline network.
这是我国沿新疆准噶尔盆地建成的第一套环形输气管网。
The integrity maintenance of old pipeline network is a major task for pipeline transportation company.
老龄管网的完整性维修是管道输送公司的主要任务。
The characteristics of steam, the existing problems in pipeline network and the solving methods are introduced.
针对蒸汽的特点以及蒸汽管网存在的问题提出解决问题的办法。
The hydraulic credibility of gas transmission pipeline network can determine the gas supply reliability and quality.
输气管网的水力可靠性决定了供气的可靠性和供气质量。
Water distribution system is a pipeline network which deliver water from single or multiple supplying sources to consumer.
供水管网是将水从单一或多个水源地输送到用户的管线网络。
Natural gas pipeline network is a natural monopoly and the lack of effective supervision will damage the interests of consumers.
但是天然气输送管网具有自然垄断性，缺乏有效监管将损害消费者利益。
To simplify the calculation process, this paper develops software of land use safety planning for the city gas pipeline network.
为了简化计算过程，本文编制了城市燃气管网土地利用安全规划软件。
An application of expert system in the layout design of oilfield flooding pipeline network modification is introduced in the paper.
介绍了专家系统在油田注水管网系统布局改造设计中的应用。
The consumers included fuel gas user in town, industrial user, electrical power user and pipeline network company in some areas etc.
其用户包括了城市燃气用户、工业用户、电厂用户和区域管网公司等类型的用户。
Creatures can be incorporated into the common natural gas pipeline network, natural gas can also generate squeezed state of vehicle fuel.
生物天然气可并入普通天然气管网，也可生成压缩态的车用燃料。
Typical urban public utilities provide mix goods from productive spots to specific consumers through pipeline network transmission system.
典型的城市公用事业通过管道网络传输系统，从生产地向特定的消费点提供混合商品。
A gas phase corrosion inhibitor, YH-901 inhibitor, is developed to apply to some gas compressor system and gas transmission pipeline network.
分析了某压气站离心机组及输气管网腐蚀产生的原因，研制开发出了YH-901气相缓蚀剂。
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。
A pipe hydraulic resistance coefficient model for natural gas pipeline network is established based on positive and negative analytic approach.
采用正反分析法建立了天然气管网管段阻抗系数优化反演的数学模型。
The hydraulic analysis of gas pipeline network plays an important role in the pipeline network design, rebuilding, expansion and operation control.
燃气管网水力分析在管网的设计、改造、扩建和运行管理中起着十分重要的作用。
Europe has sought a so-called Southern Corridor gas pipeline network from here through Turkey to help reduce its dependence on natural gas from Russia.
欧洲在寻求建立一个从此地出发、途经土耳其的，所谓的“南方走廊”天然气管道网络，以减少其对俄罗斯天然气的依赖。
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。
During the hydraulic calculation on pipeline network, it is unacceptable to neglect local energy loss or to adopt constant local energy loss coefficients.
进行管网水力计算时，忽略结点处的局部能量损失或采用不变的局部能量损失系数均是不合适的。
As a part of gas transmission pipeline project, the city gas distribution pipeline network is a very important component for the new gas to enter into the city.
城市配气管网作为输气管道的下游配套工程，是天然气顺利进入沿线城市的重要环节。
The capacity of the gas transportation pipeline network system was also studied so as to utilize all the existing pipeline and equipment fully in this dissertation.
为了充分利用现有的管道及设备，本文还对西北缘输配气管网系统的输气能力进行了研究。
This paper studies the status quo of pipeline network programming in the facet of object, principle, content and method of oil and gas pipeline network programming.
从油气管网规划工作的目的、原则、内容和方法几个方面研究了管网规划的现状。
In the planning of pipeline network using optimization method to determine rational topological network and to determine optimal layout may get better economic results.
在管网规划设计中，采用优化技术确定合理的网络拓扑结构并确定最佳工艺设计方案可以获得较好的经济效益。
In the planning of pipeline network using optimization method to determine rational topological network and to determine optimal layout may get better economic results.
在管网规划设计中，采用优化技术确定合理的网络拓扑结构并确定最佳工艺设计方案可以获得较好的经济效益。
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