| 单词 |
oxide-coated cathode |
| 释义 |
oxide-coated cathode oxide-coated cathode[′äk‚sīd ‚kōd·əd ′kath‚ōd] (electronics) A cathode that has been coated with oxides of alkaline-earth metals to improve electron emission at moderate temperatures. Also known as Wehnelt cathode. |
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