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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 femtometre ： ウィキペディア英語版 femtometre The femtometre (American spelling femtometer, symbol fm〔() 〕) (Danish: ', "fifteen"; Ancient Greek: , ', "unit of measurement") is an SI unit of length equal to 10−15 metres. This distance can also be called fermi and was so named in honour of physicist Enrico Fermi, as it is a typical length-scale of nuclear physics. ==Definition and equivalents== 1000 attometres = 1 femtometre = 1 fermi = 0.001 picometre = 1.0 × 10−15 metres 1,000,000 femtometres = 10 Ångström = 1 nanometre. For example, the charge radius of a proton is approximately 0.84–0.87 femtometres while the radius of a gold nucleus is approximately 8.45 femtometres. 1 barn = 100 fm2 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「femtometre」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.