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最近几年随着宇宙研究工作的进展又获得了月球、火星和金星表面岩石化学成分的资料,再加上已有的地球岩石和陨石成份的资料,可以进一步讨论太阳系物质的地球化学特征。本文只对三个元素,即 K、U、Th 的含量进行分析。地球化学家和行星学家对这些元素是特别感兴趣的。一方面这是因为它们是放射性元素,并被认为是行星演化的主要能源之一;另一方面也是为了探索远距离遥测 K、U、Th 含量的可能性,这在宇宙研究中具有重要意义。
In recent years, with the progress of cosmic research and the availability of data on the rock chemistry of the surface of the Moon, Mars and Venus, together with information on the composition of existing Earth rocks and meteorites, the geochemical characteristics of the solar system can be further discussed. This article only three elements, namely, K, U, Th content analysis. Geochemists and planetary scientists are particularly interested in these elements. This is because, on the one hand, they are radioactive elements and are considered as one of the major energy sources for planetary evolution. On the other hand, they are also intended to explore the possibility of telemetry of K, U and Th, which is of great significance in the study of the universe.