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Emission property of Y2O3-doped Mo secondary emitter WANG Jin-shu(王金淑), LIU Wei(刘 伟), LI Hong-yi(李洪义), GAO Fei(高 非), REN Zhi-yuan(任志远), ZHOU Mei-ling(周美玲) School of Materials Science... grain size. Y2O3-doped Mo emitter with small grain size prepared by liquid-liquid doping exhibits high emission property, i.e., the secondary electron yield can get to 5.24, about 1.7 times that prepared......
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Thermionic Electron Emission Stability of Mo-La2O3 Cathode 周美玲1,张久兴1,万小峰1,左铁镛1,刘燕琴1,周文元1 (1.The key Laboratory of Advanced Functional Materials, Ministry of Education, Beijing University of Technology, Beijing 100022, China) Abstract:The carbonizing process and its influence on the thermionic electron emission properties of Mo-La2O3 cathode materials were investigated. The carbonized......
Estimation of SO2 emission factors from copper smelting industry in Yunnan Province, ChinaZHANG Yan(张艳), Tang Xiao-long(唐晓龙), YI Hong-hong(易红宏), MA Jie-yun(马洁云)(College of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China)Abstract:Copper smelting is a significant source of SO2 emission. It is important to quantify SO2 emissions from......
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A Study on La2O3-Y2O3-Mo Secondary Emission Material 周美玲1,张久兴1,王金淑1,李洪义1,刘娟1,左铁镛1 (1.Key Laboratory of Advanced Functional Materials of Ministry of Education, School of Materials Science... emission coefficients of them aterials were tested. The experimental results show that Mocathodes doped with La2O3,Y2O3 have good secondary emission properties. When the cathodes are activated, the maximal......
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