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单词 hafnium
释义 Noun: hafnium  hafneeum
  1. A grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons
    - Hf, atomic number 72

Derived forms: hafniums

Type of: metal, metallic element

Encyclopedia: Hafnium

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更新时间:2024/12/21 17:41:54