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- The carbon isotope fractionation of kerogen during thermal maturatio n and wea thering is related to organic type, the better the type is, the greater the frac tionation difference is... 因此，长期以来干酪根碳同位素一直被视为有机质类型判识的最可靠指标之一...
- 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。
- The carbon isotope fractionation effect of samples from Jincheng is more apparent than that from Changji, which is mainly attribute to the different pore structure of coal samples. 晋城地区煤样解吸气体的同位素分馏效果比昌吉地区的明显，孔隙结构差异是一个主要影响因素。
- The Mechanism of Carbon Isotope Fractionation During Thermogenic Methane Generation 热成因甲烷碳同位素分布的形成机制
- 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
- 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
- PHYSICAL SIMULATING EXPERIMENT OF NATURAL GAS MIGRATION AND ITS CHARACTERISTICS OF COMPOSITION DIFFERENTIATION AND CARBON ISOTOPE FRACTIONATION 天然气运移物理模拟实验及其组分分异与碳同位素分馏特征
- carbon isotope fractionation 碳同位素分馏
- Abstract The isotope fractionation effect is primary factor affecting accuracy of hydrogen isotope analysis. 摘要 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. 同位素分馏效应是影响氢同位素准确分析的主要因素。
- The basic concept of isotope fractionation and the mechanism of Rayleigh fractionation model under equilibrium condition are discussed. 本文简要介绍了同位素分馏的基本概念,对平衡条件下瑞利分馏机制进行了分析。
- These neutrons react with nitrogen nuclei, giving out a proton and producing the active carbon isotope 14. 这些中子跟氮元素的核子产生反应，释放出一个质子并产生出活性碳同位素14。
- Many environmental processes can cause sulfur isotope fractionation.While microbial sulfate reduction plays a key role in sulfur isotope fractionation in surface environment. 许多环境过程可以引起硫同位素分馏，表生环境下微生物还原硫酸盐是最重要的硫同位素分馏过程。
- carbon isotopic fractionation 碳同位素分馏
- These neutrons react with nitrogen nuclei,giving out a proton and producing the active carbon isotope 14. 这些中子跟氮元素的核子产生反应，释放出一个质子并产生出活性碳同位素14。
- Carbon isotope techniques can be used to study the allocation and turnover of recently photosynthesized C. 植物近期光合C分结构性C和代谢C；
- Its methane carbon isotope is heavier than -40‰ , ethane carbon isotope is heavier than -28‰ . 其甲烷碳同位素值均大于-40‰,乙烷碳同位素值大于-28‰。
- Up to date, most studies are focused on sample pretreatment methods for GC/IRMS analysis, isotope fractionation mechanics in physical-chemical processes and biodegradation. CSIA has been successfully used in environmental pollution assessment. 目前的研究,主要集中在GC IRMS样品前处理技术、物理化学过程所导致的同位素分馏、不同有机化合物在生物降解过程中的同位素分馏过程诸方面,并初步应用于一些受污染环境的评价中。
- Diet composition hada large effect on stable carbon isotope composition of cattle tissues. 饲料对牛组织中碳同位素组成的影响远大于牛品种对它们的影响；
