查询词典 two-pipe system

After studying many domestic and abroad papers, the paper follows the recent study of optimal design and organization of gathering pipeline system. According to working condition of natural gas gathering pipeline system in west part of Sichuan.Based on topology, geography conditions of the gas field and different exploitive phase establishing optimal structure parameter mathematical models of pipe network. The object of models is net present investment value of pipe network.

本文调研了国内外大量文献，紧跟国内外天然气管网系统优化设计及运行方面的最新研究成果，结合天然气集输配管网系统的实际运行状况，采用分级优化法，开展集输站场优化布局研究、集输管网结构优化研究、地面输送系统优化运行研究等方面的深入研究。

Existing literature on the inquiry,collation and analysis,this article had the following major tasks:1st,finite element simulation of the current analytical methods are summarized,and system introduction finite element software ADINA and ANSYS applied in the reinforced concrete built-up section.2nd,system introduction reinforced concrete component material performance as well as reinforced concrete nonlinear analysis main mathematical model. 3rd,the use of ANSYS and ADINA software simply supported beam simulation were compared.4th,uses the ANSYS analysis software,conducted 7 radical center bearing reinforcing steel-side steel pipe concrete short stump simulation test research,the research had indicated the reinforcing steel the existence strengthened the pillar ductility greatly.5th,based on ANSYS,has conducted 2 radical center bearing reinforcing steel-side steel pipe concrete member in bending simulation test research.

通过对现有文献的查询、整理及分析，本文进行了以下主要工作：1、对目前有限元模拟分析方法进行了总结，并系统的介绍了有限元软件ADINA和ANSYS在钢筋混凝土组合结构中应用。2、系统的介绍了钢筋混凝土构件的材料性能以及钢筋混凝土非线性分析的主要数学模型。3、利用ANSYS和ADINA软件对简支梁进行了对比模拟分析。4、利用ANSYS分析软件，进行了7根轴心受压钢骨-方钢管混凝土短柱的模拟试验研究，研究表明钢骨的存在大大加强了柱子的延性。5、利用ANSYS分析软件，进行了2根轴心受压钢骨-方钢管混凝土受弯构件的模拟试验研究。

The research work consists of the analysis and determination of the dominant propagating waves in pipe, the revealment of nature of energy propagation and distribution in pipe-fluid system, the establishment of the energy flow measuring theory and methodology and the realization of energy flow measuring system.

研究内容包括：分析确定管道系统中的主要振动波，揭示流体管道系统中振动能量流的传递和分布规律，建立关于管壁振动能量流的测量理论与方法，实现能量流的测量技术。

A slightness pipe inner surface TiN coating system has been designed and equipped, with this system, coating experiment on the inner surface of 2000mm long 86mm diameter stainless steel pipe had been done with well experiment results, with these experiments, a technique of TiN coating has been achieved.

和国际先进水平相比，采用辅助真空室设计方法使镀膜装置极为简单。

Products have been distributed to more than 30 countries such as USA, Canada, Argentina, Cuba, Russia, Kazakhstan, Uzbekistan, Indonesia etc. Three Quality Management Systems attained, such as ISO9001:2000 Quality Management System, ISO14001 Environmental Management System and OHSAS18001 Occupational Health and Safety Assessment Series, are always integrated throughout the company's daily operation and processes. 16 products such as drilling rig, casing, tubing, drill pipe, pumping unit, sucker rod, sucker rod pump and composite pipe are licensed to use API 4F、API 7K、API 8A、API 5CT、API 5D、API 11E、API 11B、API 11AX及API 15HR monograms.

胜利油田高原石油装备有限责任公司建立完备的质量管理体系，通过了ISO9001：2000质量体系、ISO14001环境管理体系及OHSAS18001职业健康安全管理体系三体系认证，钻机、套管、油管、钻杆、抽油机、抽油杆、抽油泵及复合管等十六项产品分别获得API 4F、API 7K、API 8A、API 5CT、API 5D、API 11E、API 11B、API 11AX及API 15HR等的会标使用权，所有产品严格执行上述标准。

In this paper,an automated tripping system for downhole pipe string was put forward,which includes the tractor hoist,the derrick,the hydraulic tongs,the movable casing elevator,the fixing spider,the vertical pipe rack and the controlling system.

提出了一种自动起下管柱作业系统，主要包括通井机、井架、液压钳、筒式吊卡、卡瓦支座、立式排管架和控制系统等，支座卡瓦为弹性体微条嵌入式结构，筒式吊卡能自动卡入和松开管柱接箍，排管架可实现管柱的立式排放，控制系统协调各部分的工作。

Tonglu: composite or pure copper radiator heating system in the use of one-pipe is dangerous, because one-pipe system, high-speed hot water would have a copper corrosion, should carefully chosen.

然而由于钢制散热器怕水中的氧气，它对供热系统要求很严格，在不安全的系统中会出现腐蚀（腐蚀点大部分在管壁上，而不在焊接部位）；而另外一个事实是，目前我们国内的许多采暖系统还不是很完善，虽然国家对采暖水质早有规定，但仍有许多物业不能按标准执行。

A characteristic method is used to research into the hydraulic resonance system of a pipe- air chamber ,indicating that with a proper structure parameter and fluid parameter,the system will improve the amplitude of the end-point pressure of the pipe.

采用特征线法对用导管-气室水力共振系统提高脉冲水射流的强度进行了模拟研究，表明水力共振系统在合适的系统结构参数和流体参数情况下，可以提高导管出口处的压力振幅。

After a structural analysis of the jet pipe feeding system for hydraulic deep penetrating, the force model of the system is set up, and the fundamental parameters for controlling the jet pipe feeding are obtained.

在水力深穿透工具喷管送进系统结构分析的基础上建立了系统受力模型，得出控制喷管送进的基本参数关系。

The fire fight system of this design be hadanyplace and all by the fire bolt the system to constitute, and the fire bolt the system to guarantee the indoors three water pillars arrive at the same time, and the fire bolt the system to be pumped by water the ～ water tank to unite to supply water, fire fight tube adoption steel pipe.the hot water system, its tube of building the the adoption the steel pipes.

消防系统由消火栓系统组成，消火栓系统保证室内任何地方都有三股水柱同时到达，消火栓系统由水泵～水箱联合供水，消防管采用钢管。本设计还包括建筑热水系统，其管材采用不锈钢管。

Liapunov—Schmidt method is one of the most important method in the bifurcation theory.

Liapunov—Schmidt方法是分叉理论的最重要方法之一。

Be courteous -- even when people are most discourteous to you .

要有礼貌──即使当別人对你最不礼貌的时候。