下向焊工艺已经广泛用于长输管道建设工程中。
The down welding process is applied extensively in long petroleum pipeline construction.
长输管道；风险管理；施工阶段；模糊综合评价。
Long Pipeline; Risk Management; Construction Phase; Fuzzy Aggregative Risk Assessment.
燃气轮机离心压缩机组第一次安装在国内长输管道上。
It was the first time to install turbine-centrifugal compressor on the gas transmission pipe line in Chine.
下向焊这种焊接新工艺在国内已广泛用于长输管道的焊接。
A new welding technique on down-welding has been widely used in welding of long distance pipeline.
长输管道一旦发生泄漏事故，直接威胁着输油生产的安全。
Leaking, once happening to pipeline, will threaten the safety of pipeline operation.
长输管道检测已成为国内石油与天然气储运部门的迫切需要。
The inspection on long-distance pipelines is urgently needed by petroleum and natural gas transportation departments at home.
本文提出了一种面向长输管道数据采集系统的成本优化模型。
This paper presents a cost optimized model for long transporting pipe.
长输管道建设中，焊接是制约施工速度和施工质量的关键环节。
Welding is the key factor which restrict the construction speed and quality.
通常将压力管道按其用途分为工业管道，公用管道和长输管道。
Usually the pressure pipelines are divided into industrial pipelines, common pipelines and long-distance pipelines according to their application purpose.
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。
Long distance natural gas pipelines are operated under high pressure, so pipeline operation security takes precedence of any other considerations.
由于泵站出站止回阀的作用，长输管道水击过程中会出现同步现象。
Under the effect of check valve, synchronization phenomenon is caused in the process of water hammering in long distance pipelines.
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。
A mathematical model of steady state gas release flow rate in long distance pipeline is given by use of computational fluid mechanics.
综述了目前塔河油田长输管道防腐层现状及常用防腐层材料的特点。
Summarizes present situation on corrosion protective coatings for long distance pipeline of TaHe oil field and characteristics of commonly used coating materials.
研究了石油天然气长输管道内腐蚀超声检测中的表面缺陷识别问题。
The recognition of surface faults in ultrasonic inspection of oil and gas pipeline is investigated.
在所提算法的基础上研发了长输管道场站的可视化动态操作指导系统。
On the basis of proposed algorithm, we developed a visual operational guidance system for long-distance pipeline station.
从钢管壁上任意一点的环向应力入手，分析了长输管道焊缝的内应力。
Internal stress of welds seam for long distance pipeline is analyzed starting with any point of circumferential stress on pipe wall.
环氧煤沥青涂料用于长输管道、金属储罐以及油田设备防腐经久不衰。
Coating material of epoxy coal tar has been prolonged in the fields of corrosion protection for long distance pipeline, metal storage tank and oil field facilities.
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。
This article is useful for the oil pipeline optimal operation and long distance gas pipeline design to some extent.
在管道设计的各个阶段，长输管道的总长度在设计规范中没有明确的规定。
For the total length of long distance pipeline, there is no definite stipulation in the design's stage in design standards.
合理的选择焊接方法和应用相应的焊接技术是保证长输管道焊接质量的关键。
A reasonable selecting of welding methods and applying corresponding welding technology are the keys to ensure the welding quality of long-distance transportation pipeline.
长输管道的弹性敷设具有施工方便、节省管件、受力良好、工艺合理等优点。
The elastic laying of long distance pipelines possesses the advantages of simpleness in construction, saving in fittings, excellence in loading and reasonability in technology.
文章介绍长输管道单千米综合报价招投标的方法、主要优点及需注意的问题。
This paper introduces the bidding method of synthetic quote per kilometer, its main advantages and the notable matters.
广泛用于长输管道、公用管道、工业管道和压力容器的工程建设和产品制造。
So FastSHAPES applied widely in the fields of long distance pipe transportation, civil pipe engineering, industrial pipe work, and pressure vessel manufacture.
长输管道在运行中的泄漏既造成资源的损失，也污染了环境，是一个急需解决的问题。
Pipeline leak can lead up to resource loss and environment pollution. It is necessary to resolve those problems as soon as possible.
长输管道发生泄漏会造成油品损失、能源浪费、环境污染甚至火灾爆炸等一系列问题。
Leakage from long pipelines causes loss of oil, waste of resources, pollution of environment, even fire and explosion.
长输管道在通过盐渍区土壤时，土壤的盐浓度差异会使处于高盐浓度土壤中的管道加速腐蚀。
When long-distance pipeline is located at the saliferous soil, the differential concentration of salt will speed up corrosion of pipeline.
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。
Finally, based on SCADA system a plan, to detect and locate the long natural gas pipeline leakage, is proposed in the paper.
试验证实，这是一种与长输管道自动焊配套的经济实用型成套设备，具有较好的推广应用前景。
It is proved by examination that the economical and practical equipment and technics are suitable for the long distance transmission pipeline, and it has good foreground of spreading and appling.
长输管道腐蚀问题日趋严重，防护层存在的破损、剥离等缺陷对管道安全运行构成极大威胁。
The deterioration of corrosion of long-distance pipeline, the damages and spalling of protecting layer have imposed great threats to the reliable operation of pipeline.
长输管道气体分输站和城市门站二站合一建设具有非常明显的优越性，但由于种种原因未能推广。
The combined construction of gas transmission substation and city gate station for gas transmission pipeline has obvious superiority, but it can not be spread for different reasons.
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