self-emission electrode [电子] 自发射电极
secondary emission electrode [电子] 次级发射电极
infield emission electrode 内场致发射电极
Infield emission electrode is prepared based on the theory of infield emission.
内场致发射电极是根据内场致发射原理制备的一种电极。
The stability of the welding arc depends mainly on the voltage and the gas ionization when current zero-crossing as well as the electron emission ability of the electrode.
其电弧稳定与否，主要取决于电流过零瞬间的电弧空间电离度、 电极发射电子能力及再引燃电压的上升速度。
An electrode used in certain electron tubes to provide secondary emission.
中间极，二次发射电极一种用于一定电子管作第二次发射电极。
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