然而，在热清洗过程中对处在真空系统中的光电阴极表面温度进行精确测量却是非常困难的。
It is very difficult to measure precisely the surface temperature of a photocathode in a vacuum system during the thermal cleaning.
给出了金属靶阴极表面溅射清洗效果的伏安特性评价法，为克服“靶中毒”提供了有效的技术途径。
The evaluating method of sputtering cleanout effect on metal target surface by volt-ampere characteristic of target cathode has been given, which provides effective approach to eliminate...
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