thermion

thermion的英语例句

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. The thermionic emission cooling employing hetero structure is a high efficient cooling method.

   基于异质结结构热电子发射的热电制冷,是近年来提出的一种高效制冷方法.

3. A high - resistance wire or ribbon forming the cathode in some thermionic tubes.

   丝极在一些电子管中形成阴极的高电阻的金属丝或金属带.