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埃斯特朗

埃斯特朗[1][2](英語:angstrom[3][4][5]瑞典語ångström[6][7],符号為Å),简称,亦有訛稱「埃米[8][9][10],是一个长度计量单位。常用于原子直径、化學键长、可见光的波长,也应用于结构生物学。原子的共價半徑在0.3埃()和2.3埃()之间。

埃斯特朗並不是国际制单位,但是可与国际制单位进行换算,一埃是十分之一奈米(即1 Å = 10–10 = 0.1奈米)。

埃斯特朗这个单位是为了纪念瑞典科学家安德斯·埃斯特朗(Anders Jonas Ångström)而命名的。埃斯特朗是光谱学创始人之一,他为太阳光谱的辐射波长制作了谱图,即以埃为单位。他同时也钻研热传导地磁学北极光

電腦編碼

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Unicode 中,U+212B()也是埃斯特朗符号(angstrom sign);但 Unicode 推荐使用标准化的 U+00C5(Å),而可以将前者看成是一个编码错误。[11]

参考文献

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  1. ^ https://www.termonline.cn/search?searchText=angstrom&mode=2
  2. ^ https://terms.naer.edu.tw/search/?csrfmiddlewaretoken=hXpSPrERd4hnIkQ44SeXIzTxA3BKK7aXoGp9i7zkZYmgqGkMb3PJtyhsPtwEzo9l&match_type=phrase&query_op=&query_field=title&query_term=angstrom
  3. ^ Entry "angstrom" in the Oxford online dictionary. Retrieved on 2019-03-02 from https://en.oxforddictionaries.com/definition/angstrom 互联网档案馆存檔,存档日期2019-03-06..
  4. ^ Entry "angstrom" in the Merriam-Webster online dictionary. Retrieved on 2019-03-02 from https://www.merriam-webster.com/dictionary/angstrom.
  5. ^ Angstrom. Collins English Dictionary. [2019-03-02]. 
  6. ^ Oxford dictionary of English. Oxford [England]; New York: Oxford University Press. 2010: 61. ISBN 978-0-19-957112-3. (原始内容存档于May 3, 2023). 
  7. ^ 國際純化學和應用化學聯合會化學術語概略,第二版。(金皮書)(1997)。在線校正版: (2006–) "Ångström"。doi:10.1351/goldbook.N00350
  8. ^ 台積電首推 A16 製程!半導體製程準備進入埃米世代. INSIDE. 2024-04-26 [2024-04-27] (中文(臺灣)). 
  9. ^ Atkinson. 埃米世代三雄拚王座,台積電 A16 力抗英特爾 Intel 14A 與三星 SF1.4. TechNews科技新報. 2024-04-26 [2024-04-27] (中文(臺灣)). 
  10. ^ 鐘惠玲. 台積埃米製程大躍進 狠甩三星、英特爾. 經濟日報. 2024-04-26 [2024-04-27] (中文(臺灣)). 
  11. ^ (英文)Symbols (PDF). The Unicode Standard (PDF) Version 5.0. : 493 [2007-07-06]. ISBN 0-321-48091-0. (原始内容存档于2008-06-10). 

参见

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埃斯特朗
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