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Updated: Jun 29, 2025

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聚集的同位素揭示了鱼生长和河流排放之间的关系

Melanie A Brewer1, Ethan L Grossman2, Charles R Randklev3

  • 1Department of Geology and Geophysics, Texas A&M University, College Station, TX, 77843, USA.

Scientific reports
|April 1, 2024
PubMed
概括

淡水贝揭示了过去的温度和水同位素值. 贝类的生长主要由降水和流速控制,而不仅仅是温度,为古气候和古水文提供了洞察力.

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Most elements exist in nature as a mixture of isotopes. The isotopes differ in weight due to their respective number of neutrons. The molecular weight of a molecule is different depending on the specific isotope of its elements involved. As a result, the mass spectrum of the molecule exhibits peaks from the same fragment at multiple positions. The positions of these mass signals depend on the difference between the molecular mass. Furthermore, the intensity of these signals is dependent on the...
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