An isotopic fractionation of boron during evaporation of seawater was investigated.
对自然界海水蒸发过程中的硼同位素的分馏进行研究。
Diffusion capacities of hydrocarbons in different source rocks are very different, which should be responsible for the carbon isotopic fractionation.
烃类分子在不同类型烃源岩中的扩散度差别很大，可能是造成同位素分馏的主要原因。
The relative large lithium isotopic fractionation in natural samples has useful application in the fields of geochemistry cosmochemistry and nuclear chemistry.
自然界锂同位素分馏强烈，这使得它在很多方面都得到了应用，如地球化学、天体化学和核工业等。
The relative large lithium isotopic fractionation in natural samples has useful application in the fields of geochemistry, cosmo-chemistry and nuclear chemistry.
自然界锂同位素分馏强烈，这使得它在很多方面都得到了应用，如地球化学、天体化学和核工业等。
The result of the primary migration simulation suggests that there are different carbon isotopic fractionation effects in the primary migration of different source rocks.
通过初次运移模拟实验证明了烃类在不同类型烃源岩中发生初次运移能够产生不同程度的物理碳同位素分馏效应；
The experimental results have proved that the adsorption by clay, carbonate separation and borate deposition has important influence on boron isotopic fractionation in the studied area.
实验结果证明：粘土吸附、碳酸盐沉淀和硼酸盐析出是影响该区硼同位素分馏的重要因素。
The consistency of carbon and hydrogen isotopic fractionation mechanisms determines that hydrogen isotopic fractionation can be described by using the carbon isotopic fractionation model.
分馏机理的一致性决定了碳同位素分馏模型可以成功地引入到氢同位素分馏研究中。
The effects of element sulfur on carbon isotopic fractionation of methane have been systematically studied by the simulation experiments of thermal transformated methane from organic matter.
通过热模拟实验，系统研究了单质硫在有机质生成甲烷过程中对其碳同位素分馏的影响。
Combining the isotopic dilution (ID) method with the on-line fractionation correction method, the rhenium content can be determined accurately at sub-nanogram level using the normal solution n.
溶液中加入铱元素进行铼同位素的质量分馏校正，在常规的溶液雾化进样条件下，采用同位素稀释法可准确测定纳克级的铼含量。
Petrologic, geochemical and isotopic studies prove that the Badashi dioritic enclaves are autoliths and the earlier products generated by crystal fractionation of the host granite parental magma.
综合岩石学、地球化学和同位素等方面的对比研究，笔者认为八大石闪长质包体属于同源包体，为寄主花岗岩同源母岩浆经结晶分异作用形成的早期产物。
Petrologic, geochemical and isotopic studies prove that the Badashi dioritic enclaves are autoliths and the earlier products generated by crystal fractionation of the host granite parental magma.
综合岩石学、地球化学和同位素等方面的对比研究，笔者认为八大石闪长质包体属于同源包体，为寄主花岗岩同源母岩浆经结晶分异作用形成的早期产物。
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