The methods of various openning-tube, specific opener, exhausting gases, and it is delivery to mass-spectrometer are briefly described in this paper.
本文叙述了各种开管方法、专用装置以及气体的引出和向质谱计管的输送。
2
It is necessary to solve openning-tube sampling problem for the mass-spectrometer analysis of residual gases in sealed vacuum devices.
密封真空器件内残气的质谱分析，必须解决开管取样技术问题。
3
The present paper has described the die made by chromium car - bide for forming massspectrometer needle and double curved surface glass tube in surface analyzing instrument.