cold cathode
A microscope used in exoscopy
(electronics) A type of cathode that does not use a heating element to produce emission of cathode rays (electrons), beyond base thermionic emission (usually by field electron emission, secondary emission, photoelectric emission)
Alternative form of narghile
plural of mochalka
技術者は感度を向上させるために真空計の古い冷陰極を交換した。
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