carbon and oxygen isotope的意思|示意

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。

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。

Authigenic carbonate oxygen and carbon isotope evidence in lake sediment is an important proxy to reflect lake environment and climatic change.

湖泊自生碳酸盐碳氧同位素变化是反映内陆湖泊水环境与气候环境的重要指标。

Based on the research of isotope ratios of lead, sulfur, oxygen and carbon in the ores and rocks of this area, it is held that Qinglongcun Group serve as the source bed of gold.

通过对矿区矿石、岩石中铅、硫、氧同位素组成研究，查明青龙村群为金的矿源层。

The environment change reflected by authigenic oxygen and carbon isotope coincides with the environment change in north of China and China sea in the same period.

安固里淖自生碳酸盐碳氧同位素反映的环境变化与我国北方地区的全新世环境以及海平面的变化基本一致。

Carbon and oxygen isotope compositions of some geological samples have been measured and its application to geology has been interpreted in this paper.

测定了某些地质样品的碳、氧同位素组成，并对其在地质上的应用作了解释。