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单词 coolidge tube
释义 coo·lidge tube
\ˈkülij-\ noun
Usage: usually capitalized C
Etymology: after William D. Coolidge died 1975 American physicist
: a vacuum tube for the generation of X rays in which the cathode consists of a spiral filament of incandescent tungsten and the target which also serves as anode is of massive tungsten, the temperature of the cathode determining the intensity of the X rays while the applied voltage determines wavelength
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更新时间:2024/12/23 23:39:48