The hydrogen in the gauge is ionized by electron emission from a heated cathode. 在离子计内的氢气是用一个加热阴极放射电子来电离的。
The fabricated triode flat display possessed better field emission characteristics and larger anode current. 所制作的三极结构平板显示器样品具有良好的场致发射特性以及大的阳极电流。
With the carbon nanotube film as cathode materials, the field emission characteristics of the carbon nanotube film cathode are presented and analyzed. 利用碳纳米管薄膜作为阴极材料，给出并分析了碳纳米管薄膜阴极的场致发射特性。
