同位素分馏效应是影响氢同位素准确分析的主要因素。
The isotope fractionation effect is primary factor affecting accuracy of hydrogen isotope analysis.
不同的烃类运移方式产生了不同的甲烷碳同位素分馏效应。
Various patterns of hydrocarbon migration would result in different fractionation effects of methane carbon isotopes.
细菌的还原作用和歧化作用都能造成明显的硫同位素分馏。
The result shows that the sulphur and sulphide mainly result from the reducing action of sulfate reducing bacteria.
此研究方法可广泛应用于羟基矿物水体系的氢同位素分馏的实验研究。
This study method may widely apply to experimental studies of hydrogen isotope fractionation for systems hydroxyl minerals water.
概述了钙同位素分馏机理、分析测定以及在环境地球化学研究中的应用。
Fractionation mechanism, analytical method and its applications in environmental geochemistry of calcium isotopes are summarized in this paper.
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 consistency of carbon and hydrogen isotopic fractionation mechanisms determines that hydrogen isotopic fractionation can be described by using the carbon isotopic fractionation model.
为了探讨煤层甲烷碳同位素分馏特征，采集晋城和昌吉地区样品进行了罐装解吸实验。
In order to investigate carbon isotope fractionation of coalbed methane, a canister desorption experiment of coal was carried out with the samples collected from Jincheng and Changji areas.
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。
Diffusion capacities of hydrocarbons in different source rocks are very different, which should be responsible for the carbon isotopic fractionation.
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。
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.
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 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.
利用增量方法和同位素交换技术，对角闪石族矿物的氧同位素分馏进行了理论计算和实验测定。
Oxygen isotope fractionation in amphiboles was determined by theoretical calculation using the increment method and by experimental measurement using isotope exchange technique.
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 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.
碳同位素分馏动力学模型在不同盆地会存在差异，不仅取决于气源条件，还与聚集历史、沉积-构造史有关。
The kinetic model of carbon isotope fractionation may have difference in the different basin, which lies on gas source condition, accumulation history and sedimentary-tectonics history.
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 result of the primary migration simulation suggests that there are different carbon isotopic fractionation effects in the primary migration of different source rocks.
笔者首次在山东新泰地区新太古代层状硫化物中观测到了明显的硫同位素非质量分馏效应。
An obvious mass-independent sulfur isotope fractionation was first observed in Archean stratiform sulfides from Xintai area, Shandong Province.
硫酸盐不仅是常见矿物，还是自然界少数几个具有氧同位素非质量分馏效应的矿物之一。
They are among the few minerals that show mass independent fractionation of oxygen isotopes.
介绍的数学模型考虑了混合云中液、固态共存时以及冰面过饱和环境下稳定同位素的动力分馏效应。
The introduced mathematical model takes into account the role of the kinetic fractionation effect in a supersaturation environment at the ice surface as liquid and solid phases coexist in mixed cloud.
以碳、硫同位素在石油生成演化过程中的分馏作用为基础，对塔里木盆地原油、油源对比进行了探讨。
Based on the fractionation of carbon and sulfur isotopes in the process of petroleum generation and evolvement, the crude oils and their sources in the Tarim Basin have been discussed.
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。
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.
矿物水体系氢同位素平衡分馏系数和动力分馏系数是同位素地球化学研究中的重要参数。
The hydrogen isotope equilibrium fractionation factors and kinetic fractionation parameters are the important basic data for the study of isotope geochemistry.
文中介绍的数学模型考虑了混合云中液、固相共存时以及冰面过饱和环境下稳定同位素的动力分馏效应。
The introduced mathematical model takes into account the action of the kinetic fractionation effect in super saturation environment at ice surface as liquid and solid phases coexist in mixed cloud.
作为一个新的稳定同位素体系，正确运用这一体系对重大问题进行制约的前提和关键是对其质量分馏机理与过程有足够的认识。
As new stable isotope systems, the premise and key of using them to constrain important issues is to understand its fractionation mechanism and process adequately.
对自然界海水蒸发过程中的硼同位素的分馏进行研究。
An isotopic fractionation of boron during evaporation of seawater was investigated.
仪器的质量分馏校正是提高同位素分析数据精度的关键。“同位素双稀释剂”的测定方法可实现严格的仪器质量分馏校正。
The key to increasing the accuracy of isotope measurement is the proper mass fractionation of instrumental mass discrimination calibrated by double spike.
仪器的质量分馏校正是提高同位素分析数据精度的关键。“同位素双稀释剂”的测定方法可实现严格的仪器质量分馏校正。
The key to increasing the accuracy of isotope measurement is the proper mass fractionation of instrumental mass discrimination calibrated by double spike.
应用推荐