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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 Malcolm Dole ： ウィキペディア英語版 Malcolm Dole Malcolm Dole (March 4, 1903 – November 29, 1990) was an American chemist known for the Dole Effect in which he proved that the atomic weight of oxygen in air is greater than that of oxygen in water and for his work on electrospray ionization, polymer chemistry, and electrochemistry.〔(【引用サイトリンク】title=Malcolm Dole Papers, 1924 - 1990 )〕 ==Dole effect== The Dole effect is the inequality in the ratio of heavy oxygen isotope 18O to the more abundant 16O in the earth's atmosphere and in seawater. This effect was reported by Dole in 1935. The effect is due to slightly different reaction rates for the two isotopes in respiration in plants and in animals which tends to retain the lighter 16O, which increases the relative concentration of 18O in the atmosphere. 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「Malcolm Dole」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.