isotopic fractionation

Hydrogen and oxygen isotopic fractionation of gas hydrate formation : Experimental study

海洋天然气水合物氢氧同位素分馏初探

Effects of element sulfur on carbon isotopic fractionation of methane

硫对甲烷碳同位素分馏的影响

A two stage model of carbon isotopic fractionation in coal gas

煤型气碳同位素演化二阶段分馏模式及机理

Theoretical calculation of hydrogen isotopic fractionation for silane

硅烷氢同位素分馏的理论计算

Experimental study on argon isotopic fractionation

氩同位素分馏的实验研究

Nitrogen Isotopic Fractionation of Crude Oil during Biodegradation

油藏原油微生物降解的氮同位素分馏效应

Oxygen isotopic fractionation in mica minerals has been determined by theoretical calculation using the modified increment method .

利用增量方法对云母族矿物的氧同位素分馏进行了系统的理论计算。

The Preliminary Investigation on Chlorine Isotopic Fractionation During the Crystallization of Saline Minerals in Salt Lake

盐湖中盐类矿物沉积过程中氯同位素效应的初步研究

Boron isotopic fractionation mostly results from the pH and water / rock ratio change in the fluid-rock interaction system .

造成自然界B的同位素分馏的主要原因在于流体&固体反应体系的pH条件和水／岩比值变化。

Abiotic Transformation of Hexachlorocyclohexanes in FeS System and Stable Carbon Isotopic Fractionation During the Transformation

硫化亚铁&水体系下六六六的非生物转化及碳同位素分馏动力学研究

Boron Isotopic Fractionation During the Evaporation of Seawater

海水蒸发时的硼同位素分馏

A Preliminary Study of the Boron Concentration in Vapor and the Isotopic Fractionation of Boron During Evaporation of Seawater

海水蒸发时蒸气相硼的浓度及硼同位素分馏研究

Isotopic fractionation of sulfur in gypsum crystals

石膏晶体中硫同位素分馏的研究

But in hydrous pyrolysis , the hydrogen isotopic fractionation is smaller because the lower maturation at the same temperature .

而在有水条件下，由于相同热解温度点所达到的成熟度低于无水条件下的，所以产生的氢同位素分馏相对要小。

Sulfur isotopic fractionation between coexisting sphalerite and galena deposited from pb-zn-reduced sulfur hydrothermal fluid

铅锌硫化矿物从铅-锌-还原型硫热液系统中晶出时的硫同位素分馏规律

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。

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。

Purposes of this study are to illustrate the changes in ionic concentrations and characteristics of hydrogen and oxygen isotopic fractionation during gas hydrates formation through experimental simulation .

因此我们想通过实验模拟手段来研究由于水合物的形成而引起的离子浓度变化以及氢、氧同位素分馏特征。

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。

The isotopic fractionation under microbial actions belongs to the kinetic isotopic fractionation , which results in the enrichment of heavier isotopes in .

微生物作用下的同位素分馏为动力同位素分馏，导致重同位素在残余物中富集。

Studies of hydrogen isotopic fractionation and oxidation of fe ~ ( + 2 ) during dehydroxylation of micas and amphiboles

云母、闪石类矿物脱羟过程中Fe~（2+）的氧化和氢同位素分馏性质的探讨

The results indicate that the isotopic fractionation degree in summer is larger than that in winter , suggesting that the snow / ice melting is more intense in summer .

分析结果表明，夏季冰川系统内各水体相变过程中稳定同位素分馏程度均比冬季强烈，指示出夏季季风海洋型冰川强烈消融的特点。

The good dependence of isotopic fractionation between quartz and mica on temperature is significant over a wide temperature range of geological interest , thus it may be a sensitive isotope geothermometer .

石英－云母体系的氧同位素分馏与温度之间具有显著的负相关性，因此，能够作为灵敏的同位素地质温度计。

According to the model of stable carbon isotopic fractionation in submerged plant , the concentration of dissolved inorganic carbon ( DIC ) is an important environmental factor influencing the δ 13C of submerged plants .

沉水植物光合作用中碳同位素分馏的分析表明，沉水植物的δ13C值同水中溶解无机碳的浓度有关，从而与影响其改变的各种因素相关。

In the following primary migration simulation deuterated normal C_ ( 15 )( n-C_ ( 15 ) D_ ( 32 )) was added into different source rocks to study the isotopic fractionation in primary migration .

下面的初次运移模拟实验通过在源岩中加入氘代的正构十五烷（n-C15D32）来研究初次运移中的同位素分馏。

This paper briefly introduces and reviews the progresses in analytical technique , geological study and application . It is found that paucity of understanding of copper isotopic fractionation strictly blocks the study of copper isotope studies and applications .

文章介绍和评述了铜同位素的测试、研究和应用的进展，认为当前对于铜同位素分馏知识的匮乏严重制约着铜同位素研究和应用。

And now , the temperature of mantle derived magma intrusion should be higher than 514 ℃ according to the carbon isotopic fractionation between the mantle derived CO 2 and CH 4 escaped from the deep reservoir .

根据岩浆来源CO2和CH4之间的碳同位素分馏值计算，目前该区深部岩浆热源的温度应高于514℃。

The apparent isotopic fractionation factor between brine and lake sediments is 1.009 ± 0.002 . The δ 6Li value of source water ranges from + 6.1 ‰ to-28.60 ‰, depending on their origin .

湖水与沉积物间的同位素分馏因素α＝1.009±0.002，来源水的δ￣6Li值变化范围为＋6.1‰－－28.6‰，由它们的来源所决定。

When we apply the soil organic carbon isotope to the study of paleovegetation and paleoclimate , we should consider the influence of the carbon isotopic fractionation during the transformation of plants into SOM in different climates and environments .

本研究表明，在运用土壤有机碳同位素反演古植被和古气候变化时，应考虑到不同气候、生态环境中植物转化为有机质过程中的碳同位素分馏影响。

During relative stable climate , soil CO_ ( 2 ) is isotopically equilibrated with soil carbonate . This means that carbon isotopic fractionation between them can be used as a geothermometer to estimate palaeotemperature .

在相对稳定的气候阶段，土壤中的CO2与其中的碳酸盐之间处于同位素平衡状态，这意味着二者的碳同位素分馏值可作为地质温度计估算古温度。