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- double clad tube sheet 双层复合管板
- Experimental Research on Watts Double Clad Fiber Superfluorescent Source[J]. 引用该论文 孔令峰;楼祺洪;周军;薛冬;董景星;魏运荣.
- Hybrid Q-switched Yb 3+ doped double clad fiber laser was studied using AOM and SBS of double clad fiber. 利用双包层光纤中的受激布里渊散射和声光调Q器件 ;对掺Yb3 + 双包层光纤激光器进行了混合调Q的实验研究 .
- In accordance with the production stituation of steel plastic cald tube at present,the reason of quality problem for steel plastic clad tube is analized. 针对目前钢塑复合管道的生产现状,分析了导致钢塑复合管质量问题的原因。
- An experimental study on the mode-competition of a cw diode pumped Yb 3+-doped double clad fiber laser is preosented. 对连续波LD泵浦掺Yb3 +双包层光纤激光器的模式竞争进行了实验研究 .
- The configuration and energy level and spectrum of Yb doped double clad fiber are discoursed. 阐述了掺镱双包层光纤的结构、能级结构和光谱特性。
- Grind purely the hole of the tube and measure the distance between the upper and lower tube sheet. 将需更换管子的管孔磨清理干净，测量上下管板间的实际距离。
- Connecting devices.Multicontact edge socket and board mounted connectors for double clad printed boards with 2,54 mm spacing. 电子元件.;连接装置
- The steam leakage was occurred on the welding zone of the tube sheet of the austenitic stainless steel heat exchanger. 摘要在奥氏体不锈钢制再沸器的上管板与壳程筒体焊接的管板一侧发生蒸气泄漏。
- Abstract: The double clad fiber made in China was fabricated by the modified chemical-vapor deposition (MCVD) technique. 摘 要: 采用MCVD方法研发了掺镱双包层光纤，并对其结构特性、荧光特性和激光特性进行了测试和研究。
- The design experience of fixed tube sheet (not as flange) is summarized from analyzing & comparing the results based on GB151 & TEMA. 针对工程实例;对采用SW6-1998 V3.;0程序(基于(GB151-1999)计算方法与TEMA标准的计 算方法所得结果进行比较分析;总结出管壳式换热器不兼做法兰管板的设计经验。
- Yb doped double clad fiber laser is now one of the most active subject in the field of the laser research, and it will have a wide application foreground. 摘要掺镱双包层光纤激光器是目前激光技术研究领域最具活力的研究课题之一，有着巨大的应用前景。
- The technology of end-pumped and side-pumped of Yb doped double clad fiber laser are dissertated.The trend and applications of the Yb doped double clad fiber laser are analyzed. 综合论述了掺镱双包层光纤激光器的端面泵浦和侧面泵浦耦合技术，并分析了掺镱双包层光纤激光器的发展趋势及应用前景。
- The steam generator of FCC unit in Jinzhou Petrochemical Company is head-floating steam generator and its tube sheet cracked after it was put into use more than a year. 锦州石化公司催化裂化装置采用的浮头式油浆蒸汽发生器,投用一年多(在其设计寿命之内)就发生失效。
- Experimental result indicates that both the chemical components and mechanical properties of the tube sheet meet GB6654-96, that is to say, material do not result in cracking on the CCU tube-plate. 实验结果表明,管板的化学成份和机械性能均符合国标GB6654-96,说明管板开裂不是由于材质本身造成的;
- It is hard to make an analysis of the temperature field and stress field in the tube sheet and cylinder of a waster heat boiler owing to asymmetric arrangement of the heat exchange tube. 废热锅炉换热管分布的不对称性，使得管板和筒体等部件的温度场与应力场分析十分困难。
- Zircaloy-4 cladding tube’s quality and performance was important to the security of nuclear reactors. Zr-4合金燃料元件包壳是核反应堆中最关键的结构部件，核动力堆燃料元件的可靠性在很大程度上与包壳的质量和运行性能有关。
- Double clad photonic crystal fiber 双包层光子晶体光纤
- double clad rare-earth doped fiber 双包层掺杂光纤
- A Few Opinion to Design Fixed Tube Sheet 浅淡固定式管板设计
