钨阴极 meaning in Chinese
tungsten cathode
wolfram cathode
Examples
- Emission characteristics of newly developed barium tungsten cathode
新型钡钨阴极的发射性能研究 - Performance studies of a new style compacted barium - tungsten cathode
新型压制钡钨阴极性能的研究 - With the development of high power microwave tube , the theoretical and experiment investigation of the high performance cathode have been conducted . the research work includes how to prepare the high performance cathode and the effect of the based metal on the cathode emission , the measurement of the inner and surface fine structures of the cathode , the discussion of emission mechanism of thermionic cathode . after a lot of experiment , we finally determined the cathode preparation with an excellent emission
为了适应大功率微波管的发展，本文展开了对高性能(大电流密度、长寿命)阴极的研究，研究工作包括阴极制备工艺、钡钨阴极基金属对阴极发射性能影响、以及钡钨阴极基底内部结构无损检测及表面形貌检测、钡钨阴极发射机理探讨及应用四个方面的实验和理论的研究。 - As a nondestructive technique to measure the inner fine structure of the cathode , the ict has the unique advantage . we discussed the emission mechanism of thermionic cathode , and tried to explain the excellent performance of mixed metal cathode by richardson formula and muller ' s computational model
4 )就当前钡钨阴极发射机理的两个主要理论模型作了自己的探讨，并初探了钡钨阴极中钡的供应机制及发射寿命预测的问题，而且用理查逊公式的推导和muller计算机模拟法解释了混合基钡钨阴极的优良性能。 - This research has studied the microstructure of cathode materials systematically by the means of high resolution transmission electron microscopy and scanning electron microscopy , surveyed the electron emission performance of la2o3 , - mo , la2o3 - y2o3 - mo , la2o3 - sc2c > 3 - mo cathode with the self - designed electron emission surveyor and analyzed the elements changing of the surface of mo - la2o3 - sc2c > 3 cathode in - situ . while it was heated to different temperature . at last , the relationship of the microstructure of cathode , diffusion of active matter and electron emission performances has been discussed
本研究采用高分辨扫描电镜、透射电镜对稀土钼钨阴极材料的显微结构进行了系统研究；利用本课题研究组设计研制的电子发射测量仪对la2o3 - mo ， la2o3 - sc2o3 - mo ， la2o3 ? y2o3 - mo三种阴极(以下称镧?钼阴极、镧钪?钼阴极、镧钇?钼阴极)的发射性能进行了测量；利用经改造后的俄歇电子能谱仪“原位”分析了发射性能较好的镧钪钼阴极在不同温度下表面活性元素的变化情况。