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- The transient flow in subsea pipeline induces the riser system vibration, then causes the system fatigue failure and reduces pipeline life. 摘要海底油气管道中流体的不稳定流动会诱发立管系统的振动,使立管系统弯头部位发生疲劳破坏,影响管道的使用寿命。
- So several new deep water drilling riser systems have been studied and applied to drill the deep water wells. 因此,国外开发出了几种新型的深水钻井隔水管,并且在一些油田已经得到了应用。
- Vibration and offset of riser system in marine drilling under the alternating action of wave force, if terrible, may cause failure of drilling tools and break-off of drilling. 海洋钻井隔水管在交变载荷波浪力作用下发生振动,从而偏离原来的位置,严重时可使钻具遭到破坏,造成钻井中断。
- Research and Development of the CAD Riser System of Casting Process 铸造工艺冒口CAD软件研究开发
- The study on development of riser system for casting process CAD 铸造工艺CAD冒口系统的开发研究
- The two systems of government are polar opposites. 这两种政体正好相反。
- AbstractGating and risering system CAD software for Z325 molding machine was developed using the microcomputer and BASIC language. 采用微型计算机和BASIC语言,结合Z325造型机的特点,开发了Z325造型机用浇冒系统CAD软件。
- Based on the solidification feature of steel casting was studied and developed a computer program suitable to design of gating and risering system for steel casting. 根据铸钢件凝固特点,研究和开发了一套适用于各类铸钢件浇冒口设计的计算机辅助设计程序。
- Recently they have laid an underground pipeline. 最近他们铺设了一条地下管道。
- New laws to deal with this abuse are in the pipeline. 正在制定处理这种弊端的新法令。
- In the pipeline now are lower prices for public baths on Saturdays. 正在考虑降低公共澡堂周六票价的事情。
- Severe slugging usually occurs in a gas-liquid two-phase flow system where a riser is followed by a pipeline segment with a downward inclination angle. 严重段塞流主要出现在下倾管段、紧接有一上倾管段或立管段的气、液两相混输海底管道中。
- One-Dimension Unsteady Model of Severe Slugging in a Riser System 立管系统中严重段塞流的一维瞬态模型
- The two systems are, in effect, identical. 这两种制度实际上一模一样。
- Keywords Proportional solidification;Flywheel;Riser system; 均衡凝固;飞轮;浇冒口系统;
- Several technical problems in optimized design of pouring and riser systems of grey casting lron 灰铸铁件浇冒系统优化设计的几个技术问题
- By way of contrast oil can be transported large distance by pipeline. 不同的是,石油可以用输油管远距离输送。
- Run the pin connector and riser. 下销钉连接器和隔水管。
- Get the riser handling tools ready. 准备隔水管的送入工具。
- Maximum Unbalance Rate for Downfeed and Direct Return Riser System of Individual Metered Heating 下供下回异程式分户计量供暖的最大不平衡率