| 单词 | tenth-value |
| 释义 | > as lemmastenth-value tenth-value adj. designating a thickness of material that reduces the intensity of radiation passing through it by a factor of 10. ΘΚΠ the world > matter > physics > atomic nucleus > radioactivity > [adjective] > related to reduction of intensity tenth-value1955 1955 Gloss. Terms Radiol. (B.S.I.) 17 Tenth-value thickness. 1957 Effects Nucl. Weapons (U.S. Defense Atomic Support Agency) viii. 378 For concrete, the tenth-value thickness is..about 48 cm. < as lemmas |
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