单词 | plasma diode |
释义 | plasma diode [`plaz·mǝ `dī´ōd] ELECTRONICS A diode used for converting heat directly into electricity; it consists of two closely spaced electrodes serving as cathode and anode, mounted in an envelope in which a low-pressure cesium vapor fills the interelectrode space; heat is applied to the cathode, causing emission of electrons. |
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