1.The liberation of electrons from a hot wire is called thermionic emission .
电子从热灯丝逸出，叫做热电子发射。
2.FTD - Flame thermionic detection (alkali flame ionization )?
火焰热离子检测（碱火焰离子化）
3.Alternately, electron emission may be by thermionic means.
可选地，电子发射可以通过热离子装置。
4.The electron source may emit electrons either via field emission or thermionic emission.
该电子源可经由场发射或热离子发射来发射电子。
5.The crystal detector was soon replaced by the thermionic value and had largely become obsolete by 1939.
晶体检波器不久即被热电子管所代替，到1939年已大部分变成了废物。
6.Research on Technology of Manufacturing Insulation Layer and Nickel Electrodeposit for Thermionic Electrogenerating Element
热离子发电元件电绝缘涂层和镍镀层制作工艺研究
7.Standard Practice for Definition and Determination of Thermionic Constants of Electron Emitters
电子发射器的热离子常数的规定和测定
8.Test Method for Spectrographic Analysis of Thermionic Nickel Alloys by the Powder Technique
用粉末技术做热离子镍合金光谱分析的试验方法
9.On Study Progress of the Tungsten Thermionic Cathode Emission Mechanism
钨热阴极发射机制的研究进展
10.Advances in Tungsten and Molybdenum Thermionic Cathodes
钨钼热阴极材料的进展