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单词 bohrium
释义

Definition of bohrium in English:

bohrium

noun ˈbɔːrɪəmˈbôrēəm
mass noun
  • The chemical element of atomic number 107, a very unstable element made by high-energy atomic collisions.

    (化学元素)𨨏(符号:Bh )

    Example sentencesExamples
    • Due to its extremely short half-life, there's no reason for considering the effects of bohrium in the environment.
    • The element bohrium was first identified on February 24, 1981.
    • In 1997, however, the name bohrium for element 107 was recognized internationally.
    • This is because bohrium decays very rapidly through the emission of particles.
    • Few atoms have ever been made, but if enough were found in one area, bohrium would constitute a radiation hazard.
    • Only a few atoms of bohrium have ever been made, and it will probably never be isolated in observable quantities.

Definition of bohrium in US English:

bohrium

nounˈbôrēəm
  • The chemical element of atomic number 107, a very unstable element made by high-energy atomic collisions.

    (化学元素)𨨏(符号:Bh )

    Example sentencesExamples
    • The element bohrium was first identified on February 24, 1981.
    • Few atoms have ever been made, but if enough were found in one area, bohrium would constitute a radiation hazard.
    • Only a few atoms of bohrium have ever been made, and it will probably never be isolated in observable quantities.
    • In 1997, however, the name bohrium for element 107 was recognized internationally.
    • Due to its extremely short half-life, there's no reason for considering the effects of bohrium in the environment.
    • This is because bohrium decays very rapidly through the emission of particles.
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更新时间:2024/11/11 5:39:19