The experiment results show that the cathode work function, which is lower than tungsten cathode's, is about 2.86 eV in a available condition.
实验测出了这种阴极在适当条件下的功函数值为2 . 86电子伏特左右，低于钨阴极的功函数值。
2
In this paper, a method of making high-quality direct-heated barium tungstencathode using a home-made simple device instead of a costly special device hydrogen oven is introduced.
本文介绍了用自制的简易装置代替专用设备——烧氢炉制做高质量直热式钡钨阴极的方法。
3
The tungstencathode materials added rare earth oxide have wide application foreground because of a variety of advantages including work function, electronic emission ability and work temperature.