We have studied and constructed a new detector by gas discharge and externalquenching circuits to measure the low energy photoelectron emitted form the specimen surface.
研制了一种新型的探测器，利用气体放电和外部电路猝灭的方法测定样品表面发射的低能光电子。
2
Vacuum Gas - quenching is an important means to improve the external and internal quality of circular mould.
真空气淬是提高环模表面质量和内在质量的重要热处理工艺手段。
3
In this paper, the tritium external standard calibration method was used for the correction of quenching effect.