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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 Atomic ratio ： ウィキペディア英語版 Atomic ratio The atomic ratio is a measure of the ratio of atoms of one kind (i) to another kind (j). A closely related concept is the atomic percent (or at.%), which gives the percentage of one kind of atom relative to the total number of atoms. The molecular equivalents of these concepts are the molar fraction, or molar percent. ==Atoms== Mathematically, the ''atomic percent'' is :$\backslash mathrm\; \backslash \; (\backslash mathrm)\; =\; \backslash frac\}\; \backslash times\; 100\; \backslash$ % where ''N''i are the number of atoms of interest and ''N''tot are the total number of atoms, while the ''atomic ratio'' is :$\backslash mathrm\; \backslash \; (\backslash mathrm)\; =\; \backslash mathrm\; \backslash \; (\backslash mathrm)\; :\; \backslash mathrm\; \backslash \; (\backslash mathrm)\; \backslash \; .$ For example, the ''atomic percent'' of hydrogen in water (H2O) is , while the ''atomic ratio'' of hydrogen to oxygen is . 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「Atomic ratio」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.