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Hollow cathode with emission pipe is obtained from lanthanum hexaboride, and contains specified amount of ceramic material and element of specific group
Hollow cathode with emission pipe is obtained from lanthanum hexaboride, and contains specified amount of ceramic material and element of specific group
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机译：带有发射管的空心阴极由六硼化镧获得，并包含指定量的陶瓷材料和特定族的元素
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摘要
A hollow cathode with emission pipe (1) is obtained from lanthanum hexaboride, and contains ceramic material (4-11%) and element of group 4 (0.5-10).
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