Pressure effect on hydrogen isotope fractionation between intermediate-acidic silicate melts and water; 在陆相干酪根生排烃过程中,烃类可能会发生同位素分馏效应。
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. 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。
A common mistake involved in stable isotope fractionation calculation 稳定同位素分馏计算的一个普遍错误
Theoretical prediction for several important equilibrium Ge isotope fractionation factors 几个重要Ge同位素平衡分馏参数的理论预测
One problem concerning stable isotope fractionation calculation by using the cluster model method 用分子簇模型计算矿物的稳定同位素分馏的一个问题
Experimental Studies of Oxygen Isotope Fractionation in the Polymorphic Transformation of CaCO_3 Minerals 碳酸钙同质多象转变过程中氧同位素分馏的实验研究
Oxygen isotope fractionation in amphiboles was determined by theoretical calculation using the increment method and by experimental measurement using isotope exchange technique. 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。
Study on Oxygen Isotope Fractionation in Common RE Oxide Minerals 常见稀土氧化物矿物中氧同位素分馏研究
Experimental Studies of Oxygen Isotope Fractionation between Quartz-Cassiterite and Water 石英锡石水体系氧同位素分馏作用实验研究
Mass-Independent Sulfur Isotope Fractionation Effect in Archean Stratiform Sulfides from Xintai Area, Shandong Province 山东新泰太古代层状硫化物中的硫同位素非质量分馏效应
Larger isotope fractionation and different lithium isotopic values in geological reservoirs make Li find extensive applications in environmental geochemistry, such as upper continental crust weathering, brine and polluted water tracing, etc. 由于明显的同位素分馏和不同地质体中截然不同的δ7Li值,锂同位素应用十分广泛,且在壳-幔演化、陆壳风化、卤水和污染水体示踪等研究领域取得显著成效。
This paper reviews the methodology of calibrating stable isotope fractionation factors by means of theoretical calculations, experimental determinations and empirical estimates, and discusses the influences of temperature, pressure, chemical composition, crystal structure and salt concentration in solution on isotopic fractionation. 文中评述了稳定同位素分馏系数校准的理论计算、实验测定和经验估计方法,讨论温度、压力、化学成分和晶体结构等对矿物同位素性质的影响。
Oxygen isotope fractionation in hydroxide minerals 氢氧化物族矿物的氧同位素分馏
Microbial effect on nitrogen cycle and nitrogen isotope fractionation on the earth's surface& a review 地表环境氮循环过程中微生物作用及同位素分馏研究综述
This demonstrates that mass-independent oxygen isotope fractionation will play a more important role in the research on ( ancient) atmospheric ozone activity, chemistry in volcanic plumes and O, S and N biogeochemical cycle. 氧的非质量同位素分馏还将在(古)大气臭氧活性、火山喷发柱化学和O、S、N生物地球化学循环等研究中发挥更大作用。
The correction method for Re-Os isotope fractionation presented by this paper will improve the precision and accuracy of the Re-Os dating by using ICP-MS. 上述Re-Os同位素分馏校正方法将改善用ICP-MS进行Re-Os定年时的精密度和准确度。
Study on Calibration Technology of Hydrogen Isotope Fractionation Effect 氢同位素分馏效应校正技术研究
Comparison of gas generation and carbon isotope fractionation of methane from marine kerogen-and crude oil-cracking gases 海相干酪根与原油裂解气甲烷生成及碳同位素分馏的差异研究
Chemical Kinetics of Carbon Isotope Fractionation of Oil-Cracking Methane and Its Initial Application 油成甲烷碳同位素分馏的化学动力学及其初步应用
This study method may widely apply to experimental studies of hydrogen isotope fractionation for systems hydroxyl minerals water. 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。
Fluid rock exchange is controlled by surface kinetics. When exchange rate is faster than fluid flow, equilibrium in oxygen isotope fractionation between fluid and rock is achieved, otherwise the equilibrium will not be attained. 流体-岩石交换受表面动力学控制,当交换速率快于流体流动时,可认为流体和岩石达到了氧同位素分馏平衡,反之则没有达到平衡。
Based on discussion of isotope compositions and fractionations of marine carbonate and organic carbon, this paper studies the relationship between oceanic anoxic events and changes in the carbon isotope fractionation of both carbonate and organic matter. 从碳稳定同位素组成及其分馏机理出发,系统探讨了大洋缺氧事件与海相碳酸盐和有机碳稳定同位素分馏之间的关系。
Theoretical study of oxygen isotope fractionation in carbonate minerals 碳酸盐矿物氧同位素分馏的理论研究
Hydrogen isotope fractionation between tourmaline and water 电气石和水之间的氢同位素分馏
An obvious mass-independent sulfur isotope fractionation was first observed in Archean stratiform sulfides from Xintai area, Shandong Province. 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。
Therefore, quantitative description and application concerning isotope fractionation should be based on the Cramer model III. 因此,有关同位素分馏方面的定量描述及应用工作,应该以Cramer模型III为基础。
Since there is a liner correlation between isotopic fractionation factors of Re and Ir, Ir can be used to correct Re isotope fractionation. 由于Re和Ir的对数分馏系数线性相关,可以用Ir对Re进行在线分馏校正。
In terms of pressure effect on hydrogen isotope fractionation in the rhyolitic melt-water system, the unusual variability in the δ D values and H2O contents of the Glass Creek rhyolites from western United States are successfully modeled in the course of magmatic degassing. 依据流纹岩熔体与水之间氢同位素分馏的压力效应,成功地模拟了美国西部GlassCreek流纹岩δD值和水含量变化规律与岩浆去气之间的关系。
In addition, characteristics of major and trace elements illustrate mineralizing materials originated from crust and mantle. S isotope fractionation of minerals does not come to equilibrium. 此外,岩体的常量元素和微量元素特征也说明其物质来源于地壳和地幔。