常見例句Keywords scandate cathode;sub-micron structure;electron emission capability;scandia doped tungsten powder; 鈧系陰極;亞微米結(jié)構(gòu);電子發(fā)射性能;鈧鎢粉末;Experiment Research on Scandate Cathode Electron Gun Emitting Electron Beams Under Double Short Pulses Working Condition 鈧酸鹽陰極電子槍雙短脈沖發(fā)射實驗研究Analyzing and Probing into Porous Tungsten and Electron Emission Material(Scandate Cathode)by SEM,EDS and IPS on-line Mode 用SEM、EDS和IPS聯(lián)機(jī)方式對多孔鎢體及鈧酸鹽陰極的分析和探討scandate cathode electron gun 鈧酸鹽陰極電子槍 返回 scandate