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单词 geissler tube
释义

WordReference Random House Unabridged Dictionary of American English © 2024
Geissler tube′  (gīslər),USA pronunciation 
  1. Physicsa sealed glass tube with platinum connections at the ends, containing rarefied gas made luminous by an electrical discharge.
  • named after H. Geissler (1814–79), German inventor 1865–70

Collins Concise English Dictionary © HarperCollins Publishers::
Geissler tube /ˈɡaɪslə/ n
  1. a glass or quartz vessel, usually having two bulbs containing electrodes separated by a capillary tube, for maintaining an electric discharge in a low-pressure gas as a source of visible or ultraviolet light for spectroscopy
Etymology: 19th Century: named after Heinrich Geissler (1814–79), German mechanic
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更新时间:2025/2/23 6:38:45