单词 | sievert |
释义 | Word Frequency sievert(ˈsiːvət) noun 1. the derived SI unit of dose equivalent, equal to 1 joule per kilogram. 1 sievert is equivalent to 100 rems Symbol: Sv2. (formerly) a unit of gamma radiation dose approximately equal to 8.4 × 10–2 gray Word origin C20: named after Rolf Sievert (1896–1966), Swedish physicist |
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