Sulphur and hydrogen isotope composition of coal are evidently effected by environment.
煤的硫、氢同位素组成明显地受环境的影响。
The origin of dawsonite is emphatically contrasted and analyzed by stable isotope composition of dawsonite.
根据片钠铝石稳定同位素组成,对比分析片钠铝石的碳来源。
The stable isotope composition of Ancient marine carbonate rock approximate reflect the stable isotope composition.
古代海相碳酸盐岩稳定同位素组成能近似地反映古海洋稳定同位素的组成。
The variation of water isotope composition is actually an integrated reaction depending on the change of environment.
水体同位素组成的变化实际上是依存于环境变化的一种综合性反应。
The stable isotope composition indicates that their rock-forming fluid is the seawater, meteoric water or primary water.
稳定同位素特征表明其成岩流体为海水、大气成因水或原生水。
The water source, runoff response and plant water source can be researched by using these differ of isotope composition.
利用这种差异,可研究水分来源、径流响应和植物用水,本文综述了这一方面的研究和进展。
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。
Moreover, as one of major ore-forming elements, copper isotope composition can directly trace ore-metal source and ore-forming process.
并且,由于铜是主要成矿元素之一,所以铜同位素对于成矿物质来源和成矿过程的示踪更为直接。
The Strontium isotope composition of Marine autogenetic minerals can reflect the sea level fluctuation trend during the minerals deposited.
海相岩石自生矿物中的锶同位素组成可反映其沉积时期的海平面波动趋势。
They are different from each other in toluene contents, the carbon isotope composition of ethane and the nitrogen and mercury vapor contents, etc.
二者在甲苯、乙烷的碳同位素组成,氮气和汞蒸气含量等方面存在着一定的差异。
The Re Os isotope composition is obviously different from the rocks of the continental crust, but similar to the K T boundary sediment, and close to the meteorite.
铁锰结壳的铼-锇同位素组成明显有别于大陆地壳岩石,和K- T界线沉积物相似,接近陨石值。
The carbon concentration and isotope composition of ultrahigh pressure eclogite and apatite from the Dabie-Sulu orogen were analyzed by the EA-MS online technique.
应用EA - MS连线技术,对大别山东部和苏鲁地体南部超高压变质榴辉岩及其中的磷灰石进行了碳的含量和同位素分析。
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。
The carbon concentration and isotope composition of ultrahigh pressure eclogite and apatite separate from the Dabie-Sulu orogen were analyzed by the EA-MS online technique.
应用EA MS连线技术,对大别山东部和苏鲁地体南部超高压变质榴辉岩及其中的磷灰石进行了碳的含量和同位素分析。
Based on researching of the age, rock types genesis, gold content and the stable isotope composition of the complex, the relation between the deposit and the complex is discussed.
本文通过对杂岩体的成因、成岩时代、岩石类型以及岩体的含金性和部分同位素的特征分析,探讨了岩体与矿床的成岩关系。
Research on chemical components and isotope composition of carbon and hydrogen of natural gases from the Tarim basin shows that all discovered gases in this basin are thermogenic.
天然气的组分和碳、氢同位素组成特征研究表明塔里木盆地已发现的天然气均为热解气。
Using GC/C/MS online carbon isotope analytic technic, abundant imforma- tion about single molecular carbon isotope composition can be taken from micro-samples(chromatographical scale).
MS在线碳同位素分析技术,能够从微量样品(色谱量级)中获得丰富的单分子碳同位素组成信息。
The ice and snow melt of different seasons in high mountains can obviously affect the variation in isotope composition and deuterium excess parameters of surface flow and shallow groundwater.
不同季节高原高山冰雪的溶融,可以明显地影响地表径流和浅层地下水的同位素组成及氘过量参数的变化。
The composition of oxygen isotope is a good tool to trace the origin and formation environment of sulfate.
氧同位素组成是一个非常有效的示踪硫酸盐的起源和形成环境的工具。
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。
As the gases from different origins were interacted and mixed for along time, their composition, isotope constitution were complicated.
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。
The composition of sulfur isotope has the characteristics of the sulfur of deep seated magma source.
在硫同位素组成上具深源岩浆源硫特征。
The composition of carbon isotope has the characteristics of carbon of deep seated source.
在碳同位素组成上具深源碳特征。
The composition of carbon isotope has the characteristics of carbon of deep seated source.
在碳同位素组成上具深源碳特征。
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