The measurement of the total emissivity of a solid surface in the black cavity which is immersed in liquid nitrogen and under high vacuum (10-6 torr) by steady caloric method is described.

本文提出了一个真空度为10~（-6）毫米汞柱，黑体腔四周浸泡在液氮中的固体的表面热辐射率的测定方法。

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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。

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The factors limiting the measurement and achievement of extremely high vacuum due to the existence of a hot cathode was overcome by the successful use of the field-emission cold cathode...

应用场致发射冷阴极的成功克服了热阴极给极高真空测量和获得方面带来的限制因素，是解决极高真空测量问题的关键一步。

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