二次发射系数 secondary emission coefficient; secondary yield 二次发射因数 secondary emission factor .
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secondary electron emission coefficient 二次电子放出率 ; 二次电子发射系数
the secondary electron emission coefficient 二次电离系数
efficient secondary electron emission coefficient 有效真二次电子发射系数
The experimental results show that adding rare earth oxide into molybdenum can improve the secondary emission coefficient of the emitter.
实验结果表明，在钼中添加稀土氧化物可以提高发射体的次级发射性能。
The study showed that the maxim secondary emission coefficient of rare earth molybdenum cathode materials was 2.45, which meet the requirement (>2.0) of magnetron to the cathode materials.
研究结果表明，稀土钼次级发射材料的阴极试样的最大次级发射系数达到2.45，满足了磁控管对阴极材料的次级发射系数2.0以上的应用要求。
This paper derived the formulation for the real efficient emission coefficient of secondary electron under the condition that high energy primary electron incident on metal obliquely.
推导出高能原电子斜入射时的金属的有效真二次电子发射系数的表达式，它与入射角的余弦近似成反比。
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