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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 Bubble point ： ウィキペディア英語版 Bubble point In thermodynamics, the bubble point is the temperature (at a given pressure) where the first bubble of vapor is formed when heating a liquid consisting of two or more components.〔 〕〔 〕 Given that vapor will probably have a different composition than the liquid, the bubble point (along with the dew point) at different compositions are useful data when designing distillation systems. For a single component the bubble point and the dew point are the same and are referred to as the boiling point. ==Calculating the bubble point== At the bubble point, the following relationship holds: :$\backslash sum\_^\; y\_i\; =\; \backslash sum\_^\; K\_i\; x\_i\; =\; 1$ where :$K\_i\; \backslash equiv\; \backslash frac\}$. K is the ''distribution coefficient'' or ''K factor'', defined as the ratio of mole fraction in the vapor phase $\backslash big(y\_\backslash big)$ to the mole fraction in the liquid phase $\backslash big(x\_\backslash big)$ at equilibrium. When Raoult's law and Dalton's law hold for the mixture, the K factor is defined as the ratio of the vapor pressure to the total pressure of the system:〔 :$K\_i\; =\; \backslash frac$ Given either of $x\_i$ or $y\_i$ and either the temperature or pressure of a two-component system, calculations can be performed to determine the unknown information.〔 〕 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「Bubble point」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.