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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク List of equations in nuclear and particle physics ： ウィキペディア英語版 List of equations in nuclear and particle physics This article summarizes equations in the theory of nuclear physics and particle physics. ==Definitions== t \,\! | Bq = Hz = s−1 | ()−1 |- | Decay constant | ''λ'' | $\backslash lambda\; =\; A/N\; \backslash ,\backslash !$ | Bq = Hz = s−1 | ()−1 |- | Half-life of a radioisotope | ''t''1/2, ''T''1/2 | Time taken for half the number of atoms present to decay $t\; \backslash rightarrow\; t\; +\; T\_\; \backslash ,\backslash !$ $N\; \backslash rightarrow\; N\; /\; 2\; \backslash ,\backslash !$ | s | () |- | Number of half-lives | ''n'' (no standard symbol) | $n\; =\; t\; /\; T\_\; \backslash ,\backslash !$ | dimensionless | dimensionless |- | Radioisotope time constant, mean lifetime of an atom before decay | ''τ'' (no standard symbol) | $\backslash tau\; =\; 1\; /\; \backslash lambda\; \backslash ,\backslash !$ | s | () |- | Absorbed dose, total ionizing dose (total energy of radiation transferred to unit mass) | ''D'' can only be found experimentally | N/A | Gy = 1 J/kg (Gray) | ()2()−2 |- | Equivalent dose | ''H'' | $H\; =\; DQ\; \backslash ,\backslash !$ ''Q'' = radiation quality factor (dimensionless) | Sv = J kg−1 (Sievert) | ()2()−2 |- |Effective dose | ''E'' | $E\; =\; \backslash sum\_j\; H\_jW\_j\; \backslash ,\backslash !$ ''Wj'' = weighting factors corresponding to ''radiosensitivities'' of matter (dimensionless) $\backslash sum\_j\; W\_j\; =\; 1\; \backslash ,\backslash !$ | Sv = J kg−1 (Sievert) | ()2()−2 |- |} 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「List of equations in nuclear and particle physics」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.