单词 | becquerel rays |
释义 | > as lemmasBecquerel('s) rays 1. Used attributively in Becquerel('s) rays, formerly a general term for the radiation from radioactive substances. ΚΠ 1896 S. P. Thompson in London, Edinb. & Dublin Philos. Mag. 5th Ser. July 105 While agreeing with the Röntgen rays in the property of penetrating aluminium [etc.], the Becquerel rays differ in the circumstance that they can be refracted and polarized. 1897 S. P. Thompson Light Visible & Invis. 279 Becquerel's rays possess..the property of diselectrifying charged bodies. 1898 Physical Rev. Apr. 239 Becquerel rays, or uranium rays, as Becquerel himself called them. 1931 Discovery July 212/2 When X-rays and the Becquerel rays from uranium were discovered it was demonstrated that these rays could make air into a conductor. < as lemmas |
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