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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 Isobutylidenediurea ： ウィキペディア英語版 Isobutylidenediurea Isobutylidenediurea (abbreviated IBDU) is an organic compound with the formula (CH3)2CHCH2. It is a derivative of urea (OC(NH2)2), which itself is highly soluble in water, but IBDU is not. It functions as a controlled-release fertiliser owing to its low solubility, which limits the rate of its hydrolysis to urea, which is a fast-acting fertiliser. It is produced by the condensation reaction of isobutyraldehyde and two equivalents of urea: : (CH3)2CHCHO + 2 OC(NH2)2 → (CH3)2CHCH2 + H2O The controlled-release process is the reverse of the above reaction, which only occurs after the IBDU dissolves. ==References== 〔 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「Isobutylidenediurea」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.