在许多情况下，对孔或泉水的水化学和同位素成分分析可探测已存在的集中渗漏通道。
In many cases, through the analysis on hydrochemistry and environmental isotope for holes or springs the seepage access existed in a dike or dam can be detected.
一项研究报告说，科学家可以通过分析象尾毛发的同位素成分从而读出一头象的多年饮食记录。
The dietary and movement history of individual animals can be studied using stable isotope records in animal tissues, providing insight into long-term ecological dynamics and a species niche.
富含同位素的食物被认为可以产生更能对抗诸如自由基攻击的有害作用的机体成分及DNA。
Food enhanced with isotopes is thought to produce bodily constituents and DNA more resistant to detrimental processes, like free radical attack.
角闪石的化学成分及不同成矿岩体的微量元素和同位素特征是区分区内两类不同成矿岩体的有效判别标志。
The major compositions of amphibole in the granites, trace element composition and isotopic composition of granites were effective index to distinguish different metallogenic granitic bodies.
科学家首次发现富含天然同位素的食品可以构建更抗衰老的机体成分。
Scientists have shown for the first time that food enriched with natural isotopes builds bodily components that are more resistant to the processes of ageing.
根据碳同位素组成和稀有气体同位素组成分析，认为研究区不存在纯的幔源气。
As the gases from different origins were interacted and mixed for along time, their composition, isotope constitution were complicated.
根据天然气成分分析和CH4碳同位素资料，论证了该区天然气为浅层天然气。
According to analysis of natural gas ingredient and CH4 carbon isotope, it is proven that the natural gas of this area is superficial.
无机成因天然气与生物成因天然气在地球化学特征上存在显著的差异，主要表现在化学成分和同位素组成特征。
There are some distinct geochemical differences between the organic and inorganic gases, mainly in chemical composition and the composition of isotopes.
根据碳同位素与氦同位素以及气组成分析，表明该区所产天然气为典型的生物甲烷气。
According to the results of carbon and helium isotopic analyses and gas component analysis, it is thought that the natural gas produced in the region belongs to a typical biogenic methane gas.
并从矿石物质成分、典型矿物组合、同位素组成、稀土元素丰度型式，以及矿化分布和相关分析等方面、探讨了成岩成矿的物质来源及成因问题。
An approach has been made to the ore genesis from the ore composition, the typical mineral assemblage, the mineral geological thermometer, the K-Ar isotopic age, the sulfur iso - topic dat...
并从矿石物质成分、典型矿物组合、同位素组成、稀土元素丰度型式，以及矿化分布和相关分析等方面、探讨了成岩成矿的物质来源及成因问题。
An approach has been made to the ore genesis from the ore composition, the typical mineral assemblage, the mineral geological thermometer, the K-Ar isotopic age, the sulfur iso - top...
并从矿石物质成分、典型矿物组合、同位素组成、稀土元素丰度型式，以及矿化分布和相关分析等方面、探讨了成岩成矿的物质来源及成因问题。
An approach has been made to the ore genesis from the ore composition, the typical mineral assemblage, the mineral geological thermometer, the K-Ar isotopic age, the sulfur is...
并从矿石物质成分、典型矿物组合、同位素组成、稀土元素丰度型式，以及矿化分布和相关分析等方面、探讨了成岩成矿的物质来源及成因问题。
An approach has been made to the ore genesis from the ore composition, the typical mineral assemblage, the mineral geological thermometer, the K-Ar isotopic age, the sulfur is...
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