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。
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。
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。
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。
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