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1)  Cosmogenic nuclide
宇宙核素
1.
<Abstrcat>Cosmogenic nuclide techniques have been used widely in various Earth science areas to measure surface exposure ages,burial events,and to reveal the style and rates of landscape evolution processes across a wide range of spatial and temporal scales.
宇宙核素技术已广泛应用于地学研究的诸多领域,用来直接获取地质、地貌体的暴露年龄或埋藏时代,揭示本地、小流域、大区域范围的地表过程演化特点和速率。
2.
<Abstrcat>Cosmogenic nuclides found in rocks and sediments at the Earth s surface are produced primarily by three forms of interaction between cosmic rays and minerals: spallation,neutron-capture reactions and muon-induced reactions.
宇宙核素是宇宙射线与地表物质相互作用的产物,具有蜕变、中子捕获和介子反应三种形成机制。
2)  cosmogenic nuclide
宇宙成因核素
1.
Using in situ produced cosmogenic nuclides 10Be and 26Al we have dated high lacustrine shorelines around the Cuochuolong Lake: The exposure ages are 3.
利用原地生成宇宙成因核素确定了藏南错戳龙的高湖面阶地的形成时间为3。
2.
We have measured average erosion rates, using cosmogenic nuclide 10Be and 26Al dating technique, in northwest and the northern part of Tibet.
利用宇宙成因核素10Be和26Al对西昆仑和可可西里北部地表基岩的剥蚀速率进行了测定,得到的结果是:西昆仑的平均剥蚀速率为12m/Ma,可可西里北部的平均剥蚀速率为15m/Ma。
3.
This paper introduces the formation mechanism of cosmogenic nuclides, the theoretical background of their quantification, and the applications of cosmogenic nuclides in the earth sciences in recent years.
随着加速器质谱的出现 ,宇宙成因核素展示了其在地球科学中的生命力。
3)  terrestrial cosmogenic nuclides ~(10)Be
宇宙成因核素~(10)Be
4)  cosmogenic nuclides
宇宙成因核素
1.
Estimation of exposure time and erosion rate as well as thickness of erosion surface using cosmogenic nuclides ~(10)Be and ~(26)Al;
应用宇宙成因核素~(10)Be和~(26)Al估算剥蚀面的暴露时间及剥蚀速率和剥蚀厚度
2.
The reactions producing cosmogenic nuclides mainly involve spallation,capture of neutrons and muon reaction.
宇宙成因核素地表暴露测年方法,是近年来迅速发展起来的一种新的同位素地质年代学方法。
5)  TCN dating
宇宙核素测年
6)  cosmogenic nuclide 10Be
宇宙成因核素10Be
1.
This paper reviews the development of cosmogenic nuclides method,the production mechanism and the effect factors of production rate of cosmogenic nuclide 10Be.
随着宇宙成因核素研究的发展和深入,大气生成宇宙成因核素10Be在大气圈、水圈和岩石圈及各圈层间的相互作用方面得到了广泛应用,就地生成宇宙成因核素10Be也在地貌学研究中取得了许多成果。
补充资料:宇宙成因放射性核素
分子式:
CAS号:

性质:由宇宙线作用而产生的放射性核素,主要有10Be,14C,26A1,36Cl,53Mn,129I等长寿命放射性核素,还有不少短寿命放射性核素,例如3H,7Be,22Na,48V,60Co等。在陨石学、天体化学、冰川学、海洋学、环境学等研究中有重要意义。

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