The localized part of a cathode with which an electric arc is in contact and from which electrons are emitted.
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| 单词 | θ78597 |
| 释义 | the world > matter > physics > electromagnetic radiation > electronics > electronic devices or components > [noun] > rectifier > parts of mercury arc rectifier (3) hot spot1915 The localized part of a cathode with which an electric arc is in contact and from which electrons are emitted. pool cathode1931 (in full mercury pool cathode) a cathode consisting of a pool of mercury. igniter1933 Electronics. A small rod of some refractory material that dips into the pool of mercury in an ignitron and serves as an auxiliary anode for… |
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