采用扩散泵和机械泵作高真空抽气系统组成模拟系统，以达到地外紫外线辐照条件。
To reach the qualification of outer space ultraviolet irradiation, we adopted the diffuse pump and mechanic pump as the high vacuumizing unit.
它由真空主抽气系统、抽气偏滤器、直流辉光放电清洗系统组成。
It consists of the main pumping system, pumping divertor and glow discharge cleaning (GDC) system.
本实用新型提供的真空冷却系统，可以提高冷却抽气处理设备的运行效率，从而降低成本。
A vacuum cooling system provided by the utility model can improve the operation efficiency of cooling and air exhaust processing equipment, thereby lowering the cost.
在适当的压强下，工艺室被接通高真空泵系统抽气，以继续降低工艺室的压强。
At the appropriate pressure, the chamber is opened to a high-vacuum pumping system that continues to reduce the pressure of the process chamber.
该实验装置包括低温真空腔体、真空抽气系统、ZYGO干涉仪和防震平台以及监控测温系统。
The cryogenic optical experiment equipment was comprised of cryogenic vacuum chamber, vacuum set, ZYGO interferometer, proof vibration sub-system and controlled measuring temperature 'sub-system.
现有的凝汽器最佳真空的确定方法只适用于凝汽器水侧管壁清洁、汽轮机真空系统严密性正常或抽气设备运行性能正常的工况。
This paper gives methods of determining the optimum vacuum of condenser that takes account of the save on cooling water, the methods can help reduce costs and environ.
真空抽气系统抽气性能的好坏直接影响RH-KTB精炼的脱气、脱碳、脱氮的效果，极限真空度高低决定了钢水最终的气体含量。
Vacuum extraction system of extraction performance affects behavior of degassing , decarburization, denitriding and so on in RH_KTB refining process.
真空抽气系统抽气性能的好坏直接影响RH-KTB精炼的脱气、脱碳、脱氮的效果，极限真空度高低决定了钢水最终的气体含量。
Vacuum extraction system of extraction performance affects behavior of degassing , decarburization, denitriding and so on in RH_KTB refining process.
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