查询词典 pipeline inventory

Polyethylene gas pipeline had many outstanding features, which successfully solved the two major traditional pipeline corrosion and joint leakage problems. But the lower mechanical strength was the main drawback, and minimum required strength was one of the key index to measure pipe performance of long-term use.

聚乙烯燃气管道具有的许多卓越特性，圆满地解决了传统管道的腐蚀和接头泄漏两大难题，但机械强度较低是其主要缺点，长期静液压强度是衡量PE管材长期使用性能的主要指标。

Coil is the earlier heat treatment enterprises in our province, after more than 10 years of development, the company from an oil-tempered steel pipeline development to the present six, one of which is the introduction of foreign advanced technology of strip lead to hardening Pipeline fire, a domestic leading position in this formed on the basis of a set of their production process, with strong competitiveness.

是我省较早钢带热处理企业，经过十几年的的发展，公司由原来的一条带钢油淬火回火流水线发展到现在的6条，其中一条是引进国外先进工艺的钢带铅淬火回火流水线，处于国内的领先地位，在这基础上形成了一套自己的生产工艺，具有较强的竞争能力。

In order to design a grease stain thickness non-destructive detector for petroleum pipeline, the decay rate of neutron and γ-ray in different petroleum pipeline of grease stain thickness were calculated with Monte-Carlo method. The response relationship between particle (neutron or γ) and grease stain thickness was found.

为设计1种基于射线透射原理的石油输送管道油垢厚度无损检测仪，利用蒙特卡罗方法分别计算中子、γ射线在不同油垢厚度输油管道中的穿透率，建立油垢厚度与射线计数之间的响应关系。

The SCADA/POAS system of Shaan Jing gas pipeline is an automatic system controlling the longest pipeline distance with the highest automatic level and complete function in China's land up to now.

陕京输气管道SCADA／POAS系统是迄今为止我国陆上控制天然气管道距离最长、自动化水平最高、功能齐全的自动化系统，整个项目从1993年开始至1997年基本结束。

This requests when carries on the design to the installment pipeline, must under the premise meeting the performance as far as possible reduce the pipeline length to prevent the pressure loss from oversizing.

这就要求在对装置的管道进行设计时，应该在满足性能的前提下尽可能缩短管道长度，以防止压力损失过大。

Because the vibration of pipeline has a great threat against production and safety,the analysis of this phenomenon is favourable for the rational design and management of pipeline system and for taking reliable vibration-proof measures.

管道振动对生产和安全造成很大的威胁。因此，对这种现象进行分析，有利于管道系统的合理设计和管理，有利于提出可靠的防振措施。

Operation analysis and investigation show that it is caused by the inappropriate design of hot vapor bypass control system, so the revamping has been carried out as follows: The diameter of hot vapor bypass pipeline has been enlarged from DN 40 mm to 80 mm, and the pressure difference of hot vapor bypass adjusting valve decreased from 50 kPa to 35 kPa; A vent pipeline for non-condensable gas fro.

改造的措施主要有：增大了热旁路管道的直径(由DN40mm增大到DN80mm)，并降低了热旁路调节阀的压差取值(由50kPa降低到35kPa)；增设一条自冷凝器壳程出口至回流罐的不凝气放空管道；对脱丁烷塔分程控制系统进行了改造，即将调节器输出信号的0-45%，55%%-100%分别用于控制热旁路调节阀和放空阀。

Gas valve body material selection Pressure gas pipeline under the reasonable use of the valve housing material selection, not only palace to meet the safe operation of pipeline and is able to reduce the cost and make the best use for the purpose.

三、燃气阀门的阀体材质选用根据燃气管线的使用压力合理选用阀门壳体材质，既宫满足管线的安全运行又能达到减少造价，物尽其用的目的。

Company's products are as follows: 1, AC-DC transformer test, the control box and console, high-voltage direct current generator, high-current generator, the third-harmonic power generator , AC-DC high-pressure measuring device, dry-type isolation transformers. 2, MOA tester, relay calibrator, DC Resistance Tester, insulating oil dielectric strength tester, dielectric loss tester, insulating oil dielectric loss tester, transformers containing a switch tester. 3, clamp-type ground resistance tester, grounding resistance table, insulation resistance tester, switch mechanical properties tester, loop resistance tester, vacuum tester. 4, cable fault Tester (notebook computers, LCD, kinescope three shows), sentinel-synchronous digital, cable identification device, try扎cable, high-voltage integrated devices, underground pipeline detector, cable detector, high pressure Cable Detector, DC Bridge, DC arms Bridge, the PSA than the bridge. 5, the company also several well-known domestic and foreign agents company's products, for example: Japan has legislation (Xinhua shake table 3121,3122,3123,3125), Japan with 000 (high-voltage clamp-type table HCL1000D, HLC9000, HLC5000, etc.), cable Altimeter instrument, laser range finder, non-metallic pipeline positioning system, and so on. N:-yuan power equipment

公司产品如下：1、交直流试验变压器、控制箱及控制台、直流高压发生器、大电流发生器、三倍频电源发生器、交直流高压测量装置、干式隔离变压器。2、氧化锌避雷器测试仪、继电保护校验仪、直流电阻测试仪、绝缘油介电强度测试仪、介质损耗测试仪、绝缘油介质损耗测试仪、变压器有载开关测试仪。3、钳型接地电阻测试仪、接地电阻表、绝缘电阻测试仪、开关机械特性测试仪、回路电阻测试仪、真空度测试仪。4、电缆故障测试仪（笔记本电脑、液晶、显象管三种显示）、数显同步定点仪、电缆识别仪、电缆试扎器、高压一体化装置、地下管线探测仪、电缆探伤仪、高压电缆探伤仪、直流电桥、直流双臂电桥、变压比电桥。5、本公司还代理国内外多家知名公司的产品例如：日本共立（电动摇表3121、3122、3123、3125等）、日本万用（高压钳型表HCL1000D、HLC9000、HLC5000等）、线缆测高仪、激光测距仪、非金属管线定位系统等等。

B. When the pipeline exploration test pit excavation results: pipeline depth to meet the requirements, the contractor responsible for construction of the excavation work, as required, to complete backfill.

B。当管道探坑开挖验证结果为：管道埋深符合要求时，施工承包商负责对开挖部分按要求完成回填工作。

Storage of oil also offers an instant return of $10 a barrel or more tied to the so-called "contango" structure of the futures market - where the expected price of oil in coming months trades higher than current prices.

石油存储还提供了一个即时回报目前的价格比每桶10美元或更多的依赖于所谓的"价差"结构的石油期货市场-预期价格在未来几个月行业高。

In a U.K. election that has turned into a free-for-all, an unpersuaded voter and an unexpectedly open microphone threatened to change the plot.

已经变成一场混战的英国大选中，一位固执的选民和一个出人意料打开的麦克风有可能改变大选的剧情发展。