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In chemistry and physics, the dimensionless mixing ratio is the abundance of one component of a mixture relative to that of all other components. The term can refer either to mole ratio or mass ratio. == Mole ratio == In atmospheric chemistry, mixing ratio usually refers to the mole ratio , which is defined as the amount of a constituent divided by the total amount of all ''other'' constituents in a mixture: : The mole ratio is also called amount ratio.〔http://www.iupac.org/publications/pac/80/2/0233/〕 If is much smaller than (which is the case for atmospheric trace constituents), the mole ratio is almost identical to the mole fraction. 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「mixing ratio」の詳細全文を読む スポンサード リンク
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