Edison effect
The thermionic effect by which electrons are transferred from a hot cathode into a vacuum, in a vacuum tube.
(mathematics) A regular three-dimensional object in which every cross-section is a circle; the figure described by the revolution of a circle about its diameter .
(now largely obsolete) Alternative form of yaupon
(mineralogy) A mineral, mostly composed of rutile, occurring in igneous rocks, often by alteration of ilmenite or other titanium minerals
実験室の実験は熱電子放出を確認し、加熱された陰極から真空管内へ電子が流れ出す様子を示した。
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DiQt（ディクト）
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