According to the work of a low pressure vacuum valves, ultra high vacuum valves and vacuum valves.
根据工作压力有低真空阀门、高真空阀门和超高真空阀门。
It introduces a space environment simulator control system used to realize ultra low temperature and high vacuum.
介绍一种用于实现超低温、高真空的太空环境模拟器控制系统。
It works under low temperature, strong magnetic field, ultra high vacuum and high electric potential, which leads to high requirements for its design.
组件工作在低温、强磁场、高电压、超高真空的环境中，这对工程设计提出了很高的要求。
In this paper, mainly introduce ultra high vacuum gauge intercomparison system.
本文主要介绍了全金属超高真空规管比对系统。
The thermal desorption spectra of propene and oxygen adsorbed on blue tungsten oxide WO_ (2.90) have been measured by means of flash heating the sample in ultra high vacuum.
在超高真空条件下，用对样品进行闪烁加热的方法测定了蓝色氧化钨WO _(2.90)吸附丙烯和氧的热脱附谱。
Under ultra high vacuum condition, the adsorption of oxygen and ethylene on electrolytic silver containing barium was studied by mass spectroscopy and work function change measurement.
在超高真空条件下用热脱附和功函数变化等方法研究了氧在银-钡催化剂上的吸附和反应。
CCQ pneumatic ultra-high vacuum gate valve With signal feedback device.
CC Q型气动超高真空插板阀带反馈信号装置。
An ultra high vacuum gaseous hydrogen permeation apparatus has been designed.
报道了超高真空气相氢渗透实验装置的设计及研制。
CCD electric ultra-high vacuum gate valve USES electric device to drive the stem, moving valve disc up down to make the valve opened closed.
CC D型电动超高真空插板阀是通过电动装置驱动阀杆带动阀板作上下运动，达到阀门的开启或关闭。
CCD electric ultra-high vacuum gate valve USES electric device to drive the stem, moving valve disc updown to make the valve opened or closed.
CCD电动超高真空插板阀是通过电动装置驱动阀杆带动阀板作上下运动，达到阀门的开启或关闭。
CCD electric ultra-high vacuum gate valve USES electric device to drive the stem, moving valve disc up and down to make the valve opened or closed.
CC D型电动超高真空插板阀是通过电动装置驱动阀杆带动阀板作上下运动，达到阀门的开启或关闭。
CCD electric ultra-high vacuum gate valve USES electric device to drive the stem, moving valve disc up and down to make the valve opened or closed.
真空插板阀是通过电动装置驱动阀杆带动阀板作上下运动，达到阀门的开启或关闭。
X-ray diffraction indicates that the prepared films are AlN films. The field emission characteristics of the AlN films were measured in an ultra-high vacuum system.
在超高真空系统中测量了不同膜厚样品的场发射特性，发现阈值电场随着厚度的增加有增大的趋势。
X-ray diffraction indicates that the prepared films are AlN films. The field emission characteristics of the AlN films were measured in an ultra-high vacuum system.
在超高真空系统中测量了不同膜厚样品的场发射特性，发现阈值电场随着厚度的增加有增大的趋势。
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