This paper analysed the carbon and oxygen isotope composition of brachiopods fossils from the Devonian Period in Sichuan Province.
本论文对来自四川龙门山泥盆纪的腕足化石进行碳、氧同位素分析。
The carbon and oxygen isotope composition and its evolution of Marine carbonate rock is commonly means to the study of the ancient climate and ancient Marine environment.
海相碳酸盐岩中的碳、氧同位素组成及其演化特征分析是古气候、古海洋环境研究的一种常用手段。
Composition of carbon and oxygen isotope indicates that origin of carbon comes from mixture of the crust and mantle.
碳、氧同位素组成指示碳来源于壳幔混合。
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