secondary emitter 中文意思是什麼
secondary emitter
解釋
次級電子發射體，打拿極-
Based on the comparison and analysis of the secondary electron emission coefficient of two kinds of emitter gaas in theory, it is concluded that when primary electron energy is lower the deviation of secondary electron emission coefficient of two kinds of emitter gaas will become smaller, while when primary electron energy is higher the deviation will increase
通過對兩種負電子親和勢二次電子發射材料的二次電子發射系數的理論值進行比較和分析，得出：當原電子入射能量較低時，兩種材料的二次電子發射系數差值較小；當原電子入射能量較高時，兩種材料的二次電子發射系數差值較大，而且隨著原電子入射能量的升高，兩種材料的二次電子發射系數差值也在增大。
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