单词 | curie |
释义 | curie1/ˈkjʊəri /(abbreviation Ci) noun (plural curies) 1A unit of radioactivity, corresponding to 3.7 × 1010 disintegrations per second.The activity (rate of decay) of Rn is expressed in units called curies....
1.1The quantity of radioactive substance that emits one curie of activity: a curie of any radioactive element disintegrates at the same rate as 1 gram of natural radium...
OriginEarly 20th century: named after Pierre and Marie Curie. RhymesCurie2/ˈkjʊəri /Marie (1867–1934), Polish-born French physicist, and Pierre (1859–1906), French physicist, pioneers of radioactivity. Working together on the mineral pitchblende, they discovered the elements polonium and radium, for which they shared the 1903 Nobel Prize for Physics with A.-H. Becquerel. After her husband’s accidental death Marie received another Nobel Prize (for chemistry) in 1911 for her isolation of radium. She died of leukaemia, caused by prolonged exposure to radioactive materials. |
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