1、Alternately, electron emission may be by thermionic means.
可選地，電子發(fā)射可以通過熱離子裝置。

2、Application of FCS to Thermionic Heater
FCS在熱媒爐控制中的應(yīng)用

3、impregnate with thorium oxide to increase thermionic emission.
注入鍍氧化物使增加熱電子發(fā)射。

4、a thermionic tube having five electrodes
有五個電極的熱離子管。

5、The electron source may emit electrons either via field emission or thermionic emission.
該電子源可經(jīng)由場發(fā)射或熱離子發(fā)射來發(fā)射電子。

6、a thermionic tube having four electrodes
有四個電極的熱離子管。

7、The results show that the efficiency approaches to that of the caesium thermionic energy converter.
結(jié)果表明其效率與銫熱離子換能器相近。

8、a thermionic tube having three electrodes
有三個電極的熱離子管。

9、The thermionic emission cooling employing hetero structure is a high efficient cooling method.
基于異質(zhì)結(jié)結(jié)構(gòu)熱電子發(fā)射的熱電制冷，是近年來提出的一種高效制冷方法。

thermionic翻譯