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词汇 curium
释义

Definition of curium in English:

curium

noun ˈkjʊərɪəmˈkjʊriəm
mass noun
  • The chemical element of atomic number 96, a radioactive metal of the actinide series. Curium does not occur naturally and was first made by bombarding plutonium with helium ions.

    (化学元素)锔(符号: Cm

    Example sentencesExamples
    • All isotopes of curium are radioactive with curium - 247 having the longest half life, about 16 million years.
    • It is prepared artificially by bombarding curium with alpha particles in a particle accelerator.
    • The lifetimes of the first ‘transuranium’ elements - such as plutonium, curium and californium - were very close to the values predicted by the liquid-drop model.
    • Kept secret until after the war, they were respectively called americium and curium.
    • Release of plutonium, americium and curium could occur from laboratory or industrial accidents.

Origin

1940s: modern Latin, from the name of Marie and Pierre Curie.

Rhymes

tellurium

Definition of curium in US English:

curium

nounˈkjʊriəmˈkyo͝orēəm
  • The chemical element of atomic number 96, a radioactive metal of the actinide series. Curium does not occur naturally and was first made by bombarding plutonium with helium ions.

    (化学元素)锔(符号: Cm

    Example sentencesExamples
    • All isotopes of curium are radioactive with curium - 247 having the longest half life, about 16 million years.
    • The lifetimes of the first ‘transuranium’ elements - such as plutonium, curium and californium - were very close to the values predicted by the liquid-drop model.
    • Release of plutonium, americium and curium could occur from laboratory or industrial accidents.
    • It is prepared artificially by bombarding curium with alpha particles in a particle accelerator.
    • Kept secret until after the war, they were respectively called americium and curium.

Origin

1940s: modern Latin, from the name of Marie and Pierre Curie.

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