• 加速器用于制造放射性同位素治疗癌症生物消毒放射性定年。

    Accelerators also used for radioisotope production, cancer therapy, Biological sterilization, and one form of radiocarbon dating.

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  • 放射性同位素衰变测量尤其是允许地质学家精确地确定岩层的年龄

    The measurement of the decay of radioactive isotopes, especially uranium, strontium, rubidium, argon and carbon, has allowed geologists to more precisely determine the age of rock formations.

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  • 一种天然放射性同位素原子量4半衰期为5,780用于测定古代生物标本地质标本考古遗迹的标本年代

    A naturally radioactive carbon isotope with atomic mass 4 and half-life 5,780 years, used in determining the age of ancient organic, geologic, or archaeological specimens.

    youdao

  • 一种天然放射性同位素原子量4半衰期为5,780用于测定古代生物标本地质标本考古遗迹的标本年代

    A naturally radioactive carbon isotope with atomic mass 4 and half-life 5,780 years, used in determining the age of ancient organic, geologic, or archaeological specimens.

    youdao

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