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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 Dispersion (materials science) ： ウィキペディア英語版 Dispersion (materials science) In materials science, dispersion is the fraction of atoms of a material exposed to the surface. In general: :''D'' = ''N''S/''N''T where ''D'' is the dispersion, ''N''S is the number of surface atoms and ''N''T is the total number of atoms of the material. Dispersion is an important concept in heterogeneous catalysis, since only atoms that are exposed to the surface are able to play a role in catalytic surface reactions. Dispersion increases with decreasing crystallite size and approaches unity at a crystallite diameter of about 1 nm. ==Related article== Emulsion dispersion 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「Dispersion (materials science)」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.