vacuum tightness

At present, the appraising index is the rate of vacuum down obtained from vacuum tightness test.

目前，评价汽轮机真空系统严密性的指标是真空系统严密性试验得到的真空下降速度。

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In this study, effect of cyclic load on the vacuum tightness of the adhesively bonded joint was investigated experimentally.

该文实验研究了循环载荷对粘接接头气密性的影响。

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Vacuum Tightness and Method of Leakage Detection for Condensing System of Steam Turbine

汽轮机凝汽系统的真空严密性及其检漏方法

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The tightness of vacuum system for 300 MW unit no. 2 in Guo'an Electric Power Co Ltd has been tested, the distribution regularity of air leakage points, the leakage detecting method and the leakage eliminating measures being discussed.

对国安电力有限公司2号300MW机组真空系统进行严密性试验，对漏空气点分布规律、检漏方法和消除漏点措施进行了讨论。

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The obturation of vacuum in the crystal grower is one of the most important factors to judge the equipment capability. The ability to move air through plant canopies is related directly to the tightness of the green house.

单晶炉炉室真空密闭性能是衡量单晶炉设备性能好坏的重要因素。空气通过植物冠层移动的能力直接与温室的密闭程度有关。

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Research on Obtaining More Information by Vacuum Tightness Test of Steam Turbine

利用汽轮机真空系统严密性试验获取更多信息的研究

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Research on the correcting method to the results of vacuum system tightness test of steam turbine

汽轮机真空系统严密性试验结果的修正方法研究

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Analyzing the Affection of Vacuum Tightness Test on Thermal Economy of Steam Turbine

真空系统严密性试验对汽轮机热经济性的影响分析

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Presents the management methods of air tightness and vacuum degree.

介绍了机组气密性管理和真空度管理的方法.

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Based on the simulation of vacuum tightness test in various operation conditions of condenser, the affection of vacuum tightness test in various operation conditions of condenser on stress of cooling tube is analyzed.

通过对凝汽器在不同运行参数条件下汽轮机真空系统严密性试验的仿真，分析了凝汽器在不同运行条件下，真空系统严密性试验对凝汽器冷却管热应力的影响。

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