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1.中国科学院地球化学研究所
2.中国科学院上海原子核研究所
纸质出版日期:1988-07
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沈承德, 易惟熙, 刘联璠, 等. 加速器质谱计在地球科学中的应用[J]. 核技术, 1988,11(7):1-7.
Chengde Shen, Weixi Yi, Lianfan Liu, et al. Applications of accelerator mass spectrometry in geoscience[J]. Nuclear techniques, 1988, 11(7): 1-7.
本文介绍加速器质谱计用于测定天然物质中超微量同位素
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Be及其在地球科学中的应用。环境样品
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Be的测定可用于研究大气和海洋中发生的各种传输作用过程;大陆沉积物
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Be分布及迁移直接与黄土(或土壤)的堆积和侵蚀有关。
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Be是一种反映各种地球化学作用过程的理想的示踪剂。
For ten years the accelcrator mass spectrometry of
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C and
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Be has been developing rapidly. It has been proved to be a successful new experimental method. It has attracted scholars with interests ranging from the time variation of cosmic rays to the evolution of soils.
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Be has a high atmospheric production rate and a low abundance of the stable isotope. The measurement of
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Be in the environment has been applied to research on the atmosphere
the cosmic-ray history found in Arctic ice
pelagic scdiments
the evolution of loess and its erosion
the formation of continental margins and the nature of island arc volcanism. A brief review is given in this paper.
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