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单词 carbon-13
释义

Definition of carbon-13 in English:

carbon-13

noun

  • A stable isotope of carbon, mass number 13, which makes up about 1.1 per cent of natural carbon and is used in isotopic labelling and nuclear magnetic resonance studies.

Origin

1930s; earliest use found in Journal of the American Chemical Society.

Definition of carbon-13 in US English:

carbon-13

noun

  • A stable isotope of carbon, mass number 13, which makes up about 1.1 per cent of natural carbon and is used in isotopic labelling and nuclear magnetic resonance studies.

Origin

1930s; earliest use found in Journal of the American Chemical Society.
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更新时间：2025/2/6 11:39:54