硼含量和硼同位素组成有正相关关系。
The result reveals that there is positive relationship between boron content and boron isotopic composition.
矿石硫同位素组成与地层的十分接近。
Isotope compositions of Au ore are approximate to that in the stratum.
在硫同位素组成上具深源岩浆源硫特征。
The composition of sulfur isotope has the characteristics of the sulfur of deep seated magma source.
煤的硫、氢同位素组成明显地受环境的影响。
Sulphur and hydrogen isotope composition of coal are evidently effected by environment.
通过分析该时期植物腊的碳氢分子同位素组成。
By analysing the isotopic composition of hydrocarbon molecules from plant waxes of the period.
太阳系原始同位素组成是研究太阳系起源和演化的基础。
The isotopic composition of solar system is the base for studying the origin and evolution of the solar system.
同位素参考物质的同位素组成是同位素测量的基本参数。
The isotopic compositions of reference materials are basic parameters for isotopic measurement.
中新生代是地质历史中海水锶同位素组成变化最大的时期。
The Mesozoic and the Cenozoic are geological periods in which the greatest change in the composition of seawater strontium isotopes occurred.
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 origin of dawsonite is emphatically contrasted and analyzed by stable isotope composition of dawsonite.
石英的氢氧同位素组成反映出岩浆流体与变质水混入溶液特征。
H-O isotopes constitute reflects the characteristics of magma flow and metamorphic water interfusion.
这些河流的化学和同位素组成主要受其自流盆地的地质特征控制。
The chemical and isotopic compositions of these rivers are largely under controll by the geological signatures of their drainage areas.
金属矿物硫同位素组成在同位素交换平衡条件下属中低温环境沉淀。
The s isotopic components of metal minerals indicates a mid-low-temperature environmental precipitation under the condition of isotopic exchange equilibrium.
索德柏立富勒烯里的氦气同位素组成，与某些陨石、彗尘中的一样。
The Sudbury fullerenes contained helium with compositions similar to some meteorites and cosmic dust.
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。
The composition of oxygen isotope is a good tool to trace the origin and formation environment of sulfate.
从而为利用深海沉积有机质碳同位素组成研究古气候变迁提供了依据。
Such a study provides a basis for understanding palaeoclimate shifts by investigation of organic carbon isotopic composition in the deep sea sediments.
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。
The Strontium isotope composition of Marine autogenetic minerals can reflect the sea level fluctuation trend during the minerals deposited.
三叠纪是地球环境的重大变革时期，海水锶同位素组成的研究也较为困难。
Triassic is a period with a great change in global environment, so it is more difficult to study its strontium isotopic composition of seawater.
我国南岭地区泥盆系层控矿床的铅同位素组成变化很大，大多属混合型铅。
The lead isotopic composition of the Devonian stratabound ore deposits in the Nanling region is highly variable and belongs mostly to the "mixing type".
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 stable isotope composition of Ancient marine carbonate rock approximate reflect the stable isotope composition.
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。
Carbon and oxygen isotope compositions of some geological samples have been measured and its application to geology has been interpreted in this paper.
金矿床的铅、氢、氧和硫同位素组成高度分散，表明成矿物质具有多来源性。
Scattered distribution of lead, hydrogen, oxygen and sulphur isotopes in the gold deposits is possibly indicative of diverse sources of ore_forming materials.
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.
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.
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。
They are different from each other in toluene contents, the carbon isotope composition of ethane and the nitrogen and mercury vapor contents, etc.
根据我国积累的雨水同位素组成资料，讨论了季风气候对雨水同位素组成的影响。
The influence of the monsoon climate on the isotopic composition of precipitation is discussed based on the accumulated data in China.
本文研究了张家口南部地区温泉（井）水的氢氧稳定同位素组成及溶解气体组分特征。
The hydrogen and oxygen stable isotopic composition and dissolved gas components of the hot spring (well) water in the southern area of Zhangjiakou are studied.
热模拟实验中水的存在对热解烃中正构烷烃单体氢同位素组成并没有产生明显的影响。
Moreover, water has no obvious effect on the hydrogen isotopic compositions of individual n-alkanes in the simulation test.
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。
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.
地幔流体中稀有气体同位素组成与其所处的大地构造背景和深部地幔岩浆活动性质有关。
Noble gas isotopic compositions in mantle fluids are associated with their tectonic settings and magmation in deep mantle.
一般认为，任何植物体的碳同位素组成主要与光合作用的C3和C4两种碳固定途径有关。
It is generally accepted that the carbon isotopic composition of plant material is correlated with C3 and C4 pathways of carbon fixation in photosynthesis.
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