进行天然气管网运行优化方案评价。
The evaluation of large gas pipeline network operation program.
本文概要介绍世界天然气管网建设情况。
This paper briefly introduces construction of natural gas pipeline network in the world.
再利用改进的RBF神经网络进行天然气管网负荷的预测。
Then, the modified RBF nerve network is used to predict the load of gas pipeline.
介绍了城市天然气管网规划工作的目的、意义、内容和方法。
The purpose, significance, content and method of natural gas pipe network programming in cities were introduced.
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。
Creatures can be incorporated into the common natural gas pipeline network, natural gas can also generate squeezed state of vehicle fuel.
土库曼斯坦现在选择了一个承包商来建造一个内部的天然气管网系统。
Turkmenistan is now choosing a contractor to build an internal gas network.
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。
A pipe hydraulic resistance coefficient model for natural gas pipeline network is established based on positive and negative analytic approach.
同时此类项目产品关联度低，并会受到天然气管网建设和管理的制约。
In addition, such project has relatively low product mix consistency and is subject to limitations associated with the construction and regulation of natural gas pipelines.
这样能够增强燃气企业的“调峰”能力，有利于天然气管网的平稳运行。
So it can enhance the peak-shaving ability of gas enterprises and benefit the stabilized operation of natural gas pipeline network.
天然气管网的最大特点是具有储气调峰功能，有利于保证用户用气的可靠性和安全性。
The prominent characteristics of natural gas networks are its gas storage and peak gas consumption adjustment functions. These functions may be used for keeping a reliable and safe gas supply.
在对天然气管网进行离线数值模拟计算时，需要给各管段分配初始流量，并作为迭代计算的初始值。
When a natural gas network is done off-line numerical simulation, every pipeline needs be distributed initiatory flow as the initiatory value of iterative computation.
基于GIS的天然气管网故障诊断系统由基本功能子系统、综合分析子系统以及故障诊断子系统组成。
The fault diagnosis system of natural gas pipe network based on GIS is composed of the basic function subsystem, comprehensive analysis subsystem and fault diagnosis subsystem.
详细介绍了图论法、动态规划法、神经网络法、MCST法和约束导数法等在城市天然气管网规划中的应用。
The application of graph theory, dynamic programming, neural networks, MCST method, constrained derivatives, etc. to pipe network programming were recommended in details.
本文依据陕西省天然气管网系统的历史数据，对天然气管网系统稳动态仿真和天然气短期负荷预测进行了研究。
Based on historical data of Shaanxi natural gas network system, static and dynamic simulation and load forecasting of natural gas system has been researched in this thesis.
当反对派沿着布加雷和拉斯拉努夫间的海岸公路挺进时，位于这两座城镇的大型炼油厂的石油出口设施被摧毁，该国的天然气管网被从中间切断。
As the rebels advanced along the coastal road between Brega and Ras Lanuf, sites of two big refineries, the towns’ export infrastructure was knocked out and the country’s gas network was cut in half.
针对人工煤气管网设施的现状，提出了天然气转换的利用改造方案及技术措施。
The utilization and reformation plan and technical measures of existing manufactured gas network in natural gas conversion are put forward.
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。
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.
由于俄罗斯天然气公司控制着多数的输气管网和设备，欧盟已经开始关注俄罗斯对区域市场的控制。
The European Union has expressed concern about Russia's control over the regional market as the Russian gas company typically controls both the transit networks and the reserves they deliver.
天然气是当今世界最重要的优质清洁能源之一，输气管网是连接天然气资源与市场的动脉。
Natural gas is one of the foremost high quality and sanitary energy sources. Gas transmission pipeline network is the artery connecting natural gas resource and market.
随着天然气输气管网建设工程的增多，为预防事故和减少损失，大型输气管线和管网密集地区需要建设管道抢险维修中心。
In natural gas pipeline network construction, in order to prevent accident and reduce loss, urgent repair centers shall be built in large-size gas pipelines and pipeline network concentration areas.
随着天然气输气管网建设工程的增多，为预防事故和减少损失，大型输气管线和管网密集地区需要建设管道抢险维修中心。
In natural gas pipeline network construction, in order to prevent accident and reduce loss, urgent repair centers shall be built in large-size gas pipelines and pipeline network concentration areas.
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