通过分析其中的同位素(同一种元素拥有不同的质量)比例，他可以了解这些菊石所生活的环境特征，如温度和盐度。
By analyzing ratios of isotopes — variations of the same element with a different mass - he can learn things about the environment they lived in, such as temperature and salinity.
在土壤排水良好、氧化的地下水环境中，地下水的氮同位素组成反映了源的特征。
Nitrogen isotope compositions of groundwater reflect characteristics of contamination sources in the environment of well-drained soils and oxygenated ground waters.
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。
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.
利用锶同位素地球化学行为、地球化学特征及这些特征在沉积环境方面的指示意义，分析了东濮凹陷下第三系盐湖沉积的锶同位素特征。
With indicating significance of geochemical characteristics of Sr isotope in sedimentary environment, characteristics of Sr isotope in Eogene saline deposits in Dongpu depression have been studied.
利用锶同位素地球化学行为、地球化学特征及这些特征在沉积环境方面的指示意义，分析了东濮凹陷下第三系盐湖沉积的锶同位素特征。
With indicating significance of geochemical characteristics of Sr isotope in sedimentary environment, characteristics of Sr isotope in Eogene saline deposits in Dongpu depression have been studied.
应用推荐