thermionic emission的例句大全

Rapid-measurement of pulse emission current at the inflection point on I-U curve of the thermionic cathode

热阴极脉冲拐点发射的快速测量

Usually, only the thermionic cathode and the field emission cathode have access to such the high emission current of the electron beams.

通常只有热致电子发射阴极和场致电子发射阴极能够获得如此大的电流强度的电子束。

Among them, a better quality beam can be easily obtained from the thermionic cathode, but the emission current density of the electron is relatively low, the cathode is short life due to an easily cathode poisoning, and the cost is expensive.

其中，热阴极获得的电子束的束流品质较好，但发射电流密度相对较低，阴极容易中毒，寿命较短，而且成本高。

Microstructure and Electron Emission Performance of RE-Mo/ W Thermionic Electron Emission Materials

稀土钼/钨热电子发射材料显微结构及其性能表征

The MS interface parameters are extracted from HgCdTe PV devices' current voltage characteristic by applying Thermionic Field Emission ( TFE) theory and numerical analysis.

利用热场发射理论和数值计算方法，分析了碲镉汞光伏器件的电流-电压特性，提取了金属-半导体（MS）界面参数，并对这些参数进行了讨论。

The rare earth molybdenum cathode, which have advantages of high thermionic electron emission, easily produced and no radioactive pollution, hold great promise for replacing the ThO 2 W cathode.

稀土钼作为一种资源丰富、发射性能优良、易加工、无放射性污染的新型热阴极材料，己逐步取代具有放射性污染的ThO2W阴极材料，在中大功率电子管器件中获得应用。

Considering the theoretical models and the new experimental results, the mechanism and process of the cathode arc discharge were analyzed systematically: electron explosive emission model, thermionic field emission theory, Mackeown formula in collisionless layer at cathode, and spots motion model in a magnetic field.

参考前人的研究模型和最新的实验结果，系统地分析了阴极弧斑放电的机理和过程：电子的爆裂发射模型；热场致发射理论；

For this purpose, several kinds of laser-driven photocathodes, and some thermionic cathodes and field emission cathodes are applied.

为此，人们采用各种类型的激光驱动光电阴极、一些热阴极和场致发射阴极作为电子源。

A new method for measuring the secondary electron emission of thermionic cathode and its application

测量热阴极次级电子发射的新方法及其应用