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。
Difference in extent of the Fermi energy and decrease of band-gap energy for three kinds of CNTs show that CNT with one end open is favorable for the preparation of field emission electrode.
三种不同结构的碳纳米管在费米能的增幅上有些差异，带宽减小的程度也是不同的，一端封闭的碳纳米管在F掺杂后费米能的增幅最大，说明在制备场发射电极时选择一端封闭的碳纳米管更加有利。
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。
The effect of the inorganic ingredient of the paste on the microstructure of the platinum electrode was investigated by field emission scanning electron microscope.
利用场发射扫描电镜研究了浆料的无机成分对烧成的铂电极微结构的影响。
In one embodiment an electrode emission source component comprises a tubular metal body (107) having first and second open ends.
在一个实施例中电极发射源元件包括具有第一和第二开口端的管状金属体(107)。
The present invention discloses electrode emission source components (105) and electrical apparatus comprising the same.
本发明公开了电极发射源元件（105）和具有该元件的电器设备。
The second electrode includes opening for uncovering the electron emission region.
所述第二电极含有开口以暴露所述电子发射区域。
To strike an the arc, electron emission and ionization of the gas is initiated by withdrawing the electrode from the work surface in a con trolled manner, or with the aid of an initiating arc.
钨极氩弧焊是通过工件表面和电极之间气体的电离和电子的发射来引弧的。
Influence of focus electrode bias, focus hole size and grid electrode bias on the emission electron beams was discussed.
分别讨论了聚焦极电位、聚焦极孔径以及栅极电位对发射电子束的影响。
Influence of focus electrode bias, focus hole size and grid electrode bias on the emission electron beams was discussed.
分别讨论了聚焦极电位、聚焦极孔径以及栅极电位对发射电子束的影响。
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