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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 Catagenesis (geology) ： ウィキペディア英語版 Catagenesis (geology) Catagenesis is a term used in petroleum geology to describe the cracking process which results in the conversion of organic kerogens into hydrocarbons. ==Theoretical reaction== This chemical reaction is believed to be a time, temperature and pressure dependent process which creates liquid and/or gaseous hydrocarbon Hc from primary kerogen X and can be summarised using the formula: :$X\_0\; \backslash rightarrow\; Hc\; +\; X(t)$ where X0 is the initial kerogen concentration and X(t) is the kerogen concentration at time t. It is generally held that the dependence on pressure is negligible, such that the process of catagenesis can be given as a first-order differential equation: : $\backslash frac\; =\; -\; \backslash kappa\; X$ where X is the reactant (kerogen) and κ is the reaction rate constant which introduces the temperature-dependence via the Arrhenius equation. 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「Catagenesis (geology)」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.