查询词典 pipeline

The process of earthwork for pipeline is analyzed and the method of emulation is given.

摘 要：分析了大修管道土方施工过程，研究了其仿真方法。

High temperature pipes for boiler water-cooling wall, economizer, reheater and steam pipeline, low temperature and pressure vessel pipes.

适用于锅炉水冷壁、省煤器、再热器、过热器和蒸气管道的高温和压力容器制造的钢管。

In the numericalstudy, three-dimensional elastodynamics equations and Morison equation are applied tosimulate the time histories of dynamic response of submarine pipelines suspended over flatbeds sucessfully. The three-dimensional interaction of pipeline and internal flow isnumerically simulated by applying the iterative computation to the fluid-structure interfacesand using the elastodynamic equation and the incompressible fluid N-S equation andcontinuity equation.

在数值研究方面，本文利用三维弹性动力学方程，结合莫里森方程，较好地模拟了规则波浪作用下近壁悬跨弹性海底管线动力响应过程，结合不可压缩流体N-S方程和连续方程，进行管线及其内部流体的三维流固耦合数值计算，基于数值计算结果探讨内流管线系统的动力特性和管内流体特征。

It is suitable for the pipeline of Electrization railway Touch Net, large thermoelectricity station, petroleum, chemistry, metallurgy and so on, helping them to eliminate temperature response strength, letdown vibration and keep balance of strength.

适用于电气化铁路接触、大型热电站、石油、化工、冶金等行业的管线及设备上，起消除热应力，减低振动，保持力矩平衡的作用。

Considering the electrovalence, the curve of water consumption and the reliability of water supply, this paper respectively sets up the model based on the maximal flux and the model based on the expectation flux. It takes yearly expenditure converting value and yearly cistern converting value as target function and takes continuity equation, velocity of flow and compression resistance of cast iron pipeline as restrictions and sets up the PGA model on optimal design of water supply networks.

考虑到峰谷电价、用水量变化曲线及用水可靠性因素的影响，分别建立了以最高时流量设计管网的模型和以期望时流量设计管网的模型，以年费用折算值加上清水池年造价折算值为目标函数，以连续性方程、管中流速和铸铁管耐压值等为约束条件，进行并行遗传算法对给水管网优化设计的实现。

In the construction of a long distance pipeline with high pipe material hardness, thin pipe wall and big caliber ellipticity,general pipe external aligning devices are difficult to comply with quality standard.

随着长输管道的发展，大口径管道日益增多，大口径管道的管口椭圆度相对较大，其材质硬度高，因此组对施工的难度加大。

This shows that coal-tar enamel will be widely used in the pipeline protection area of our country in the future.

因此，煤焦油瓷漆在我国管道防腐领域有着广阔的应用前景。

Main products include Liquid Auto-Packaging Machine, Plastic Tape Enlace Machine, Box Auto-Packaging Machine, Ultrasonic Auto-capper, Vacuum Packaging Machine, Capper, Code Printer, Plastic Paste Packaging Machine, Object Parcel Paste Packaging Machine, Electromagnetism Induce Lip Packaging Machine, Auto Label Applicator and pipeline design and produce.

本公司专业生产液体、颗粒、粉剂自动包装机、塑料带捆扎机、自动封箱机、超声波自动封口机、真空包装机、封口机、打码机、吸塑包装机、贴体包装机、电磁感应封盖机、自动贴标机和流水线设计制作等。

The quantitative method for risk analysis of city natural gas pipeline is put forward based on event tree analysis and fault tree analysis.

单位：1。重庆大学城市建设与环境工程学院，重庆 400045； 2。

The components and the pipeline parts shall have good exchangeability.

2.33 零部件及管件具有良好的互换性

The basic concept of FOP can be summarized as to further optimize effective prescription according to the standard of curative effects and with the aid of modern science and technology and theories of traditional Chinese medicine.

其基本内涵可概括为：以确有疗效的中药复方为研究对象，以现代科学技术和传统中医药理论为技术支持，以该复方所治病证的药效响应为评价标准，以优化重组疗效更优的新复方为研究目的。

Ever since our world has been a world, native forests have been indiscriminately exploited by man.

自从我们的世界一直是世界原生森林被任意剥削人。