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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 Bumping (chemistry) ： ウィキペディア英語版 Bumping (chemistry) Bumping is a phenomenon in chemistry where liquids boiled in a test tube will superheat and, upon nucleation, rapid boiling will expel the liquid from the container. This occurs when liquids are heated very rapidly and no nucleation occurs, thus when the liquid finally boils, a large vapor bubble is formed that pushes the liquid out of the test tube. This expulsion of boiling liquid poses a serious hazard to others and oneself in the lab. Boiling chips alone may not prevent bumping and for this reason it is advisable to boil liquids in a boiling tube. In addition, test tubes should always be pointed away from oneself while boiling, just in case bumping does occur. A sealed capillary tube can also be placed in a boiling solution to provide a nucleation site, reducing the bumping risk and allowing its easy removal from a system. ==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「Bumping (chemistry)」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.