natural gas main

Bypass velocity control of gas pipeline defect inspection tools;

天然气管道缺陷检测器泻流装置

Leak detection on gas pipeline with the distributed fiber-optic sensing technology;

利用分布式光纤传感技术检测天然气管道泄漏

Fracture control of gas pipeline

天然气管道断裂控制技术

Application of dust detection device in high pressure natural gas pipeline;

用于高压天然气管道的粉尘检测装置

With the initiation of such important national natural gas pipeline project as Sichuan-to-East gas transmission,to develop pipeline simulation software with independent intellectual property is on the trend.

随着川气东送管道工程等国家重大天然气管道工程的启动,研发具有自主知识产权的管道模拟仿真软件势在必行。

This paper introduces the investigation results of Carsbad natural gas pipeline accident, and points out that the internal corrosion control is the direct cause for this accident.

介绍了美国Carlsbad天然气管道事故的调查结果,指出事故的直接原因是管道内腐蚀控制出现疏漏,暴露出在管道设计、改造、运行、维护以及执法部门的安全管理等几个环节中的问题,值得在国内天然气管道的安全管理中借鉴。

Based on an analysis of the optimal design of natural gas pipeline networks made by many researchers in the world,this paper discussed some frequently used optimal design methods and analyzed the advantage and disadvantage of these methods.

在论述了自20世纪90年代以来国内外天然气管网优化设计方法的基础上,讨论了几种常用的优化方法,并分析了这些方法的优缺点。

Natural gas pipeline network, demanding gigantic investment and operating costs, is one of the most important infrastructures in the natural gas industry.

天然气管网是天然气工业的重要基础设施之一，投资巨大，运行费用高。

The high-pressure natural gas pipeline network is the city of main energy transportation line.

高压天然气管网是城市能源输送的大动脉,其工程质量的优劣直接关系到公众的安全生活环境及管网的可靠运行。

Consumable gas of compressor stations was not taken into consideration when branched gas pipeline networks flow equations were described with the incidence matrix method in the past,which would result in unavoidable deviation.

过去使用的关联矩阵方法在描述枝状天然气管网流动方程时,没有考虑压气站的自耗气,这在一些需要准确描述这部分气量的模型中会产生不可避免的偏差。

Investigation on Nitrogen Gas Replacement in Natural Gas Pipeline;

天然气管线氮气置换混气段规律研究

Simulation of transients in natural gas pipelines using hybrid TVD/LW schemes

TVD/LW混合格式在天然气管线瞬变仿真中的应用

This papen illustrates antisepsis method in construction of Handan natural gas pipeline as well as analyses main factors about pipeline cantery and insecurity.

本文就邯郸市天然气管道施工中的防腐方法阐述了造成管道腐蚀与影响管道安全的主要因素,提出了管道防腐与管道安全的保护措施,并针对天然气管线沿途地质和交流电场的影响,选择了经济可靠、运行效果好的防腐方法。

The Application and Experiment in Natural Gas Pipeline of the Increasing Gas Delivery Capacity Device

管道增输器在天然气管道中的应用和实验

Research on Natural Gas Leakage and Diffusion Numerical Simulation

天然气管道泄漏与天然气在大气中扩散的模拟研究

On Soil and Water Protection of bess Area along Gas Pipeline

天然气管道通过黄土地区的水工保护

The Study on Pricing Theories and Models of Natural Gas Pipeline Transmission;

天然气管道运输定价理论与模型研究

The Transformation of Energy in the 21st Century and the Natural Gas Pipeline Industry;

21世纪能源的转换及天然气管道工业

Economic Assessment of Anti-drag Technology for Internal Coating of Gas Pipeline;

天然气管道内涂层减阻技术经济评价

Study on Leakage Detection and Localization of City Gas Pipelines

长输天然气管道泄漏检测技术的研究

Welding construction technology for installation of large diameter gas pipeline

大口径天然气管道安装焊接施工技术

Development of Oil and Gas Pipeline Crack Detector Based on EMAT

天然气管道裂纹电磁超声检测器研制

The Technology and Applications of Longdistance Natural Gas Pipelines Internal Coating

长输天然气管道内涂层技术及其应用

Risk Assessment System of Gas Pipeline Based on GIS

基于GIS的天然气管道风险评价体系

Evaluate system for severity of accident on natural gas pipeline

天然气管道事故严重度评价体系研究

A NEW ALGORITHM OF NUMERICAL SIMULATION FOR TRANSIENT FLOW IN GAS PIPELINE

天然气管道瞬变流动数值模拟新算法

Technical Research on the Inner Wall Coating of Gas Pipeline

天然气管道内壁涂层的工艺技术研究

Replacement of Nitrogen Application and Research in the Natural Gas Pipeline from Zi-bo to Lai-wu;

氮气置换在淄博—莱芜天然气管道中的应用研究

the car wouldn't start because dirt clogged the gas line.

输气管是用来输送天然气的管道。

Comparison between liquefied natural gas,pipe natural gas and substitute natural gas

液化天然气、管道天然气与煤制天然气的比较分析

Investigation to the Corrosive Environment of Gas Pipeline in Chengdu

成都某天然气输气管道腐蚀环境调查