The atom at the tip of the chain emitted electrons onto a surrounding phosphor screen, rendering an image of the electron cloud around the nucleus.
碳链末端的原子发射电子到周围的磷光屏，得到原子核周围电子云的图像。
The study result shows that the planar film structure is conformable for FEE cathode, because it has low voltage threshold and small range of energy distribution of the emitted electrons.
分析结果表明，宽带隙平面薄膜结构用作场致电子发射阴极，具有发射电压的阈值低，发射电子的能量分布范围小等优点。
Photocell: or photoelectric cell, or electric eye; Solid-state device with a photosensitive cathode that emits electrons when illuminated and an anode for collecting the emitted electrons.
光电管：一种固体探测器，有一个对光灵敏的阴极，受到光照时能发射电子，还有一个用于收集所发射电子的阳极。
应用推荐