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- 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。
- This paper summarizes the research method of Cu and Zn isotopes,and the factor affecting isotope fractionation and its application in environment geochemistry. 本文对铜锌同位素的测试方法、分馏机理及其在环境地球化学研究领域的应用进行了较系统综述。
- 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。
- 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。
- 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。
- 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 research status of the stable isotopes in the field of environmental science and the isotope fractionation is revi. 空间信息统计学,又称为地质统计学,是研究多孔介质空间变异性的有效方法,在环境科学领域有很好的应用前景。
- mass-independent isotope fractionation 非质量同位素分馏
- The catalysis of enzymes causes much more complexity for the isotopic fractionation under microbial actions. 辅酶对反应的催化作用使微生物作用造成的同位素分馏更加复杂。
- The stable isotopic research is established by studying the discrepancy in isotope ratio, which was caused by isotope fractionation, and the isotopic ratio difference can be determined by mass spectrometer. 稳定同位素的研究主要是建立在此同位素分化作用所造成的同位素比值差异，而此同位素比值差异可被质谱仪测知。
- The concept and analytical method of stable isotopes are introduced.The research status of the stable isotopes in the field of environmental science and the isotope fractionation is revi... 本文介绍了稳定同位素分析方法、稳定同位素分馏的研究现状及其在环境科学研究中的最新应用进展。
- Analysis of tie-bar internal force and pipe fraction factor 系杆内力监测与控制及管道摩阻系数的测试分析
- 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。
- But for the complex compounds, there are no clear relations between isotopic fractionation and biodegradation degrees because of the multilevel reactions of the biodegradation. 但对于复杂化合物，由于降解的多级反应，同位素分馏与降解程度间的相关性并不明显。
- The isotopic fractionation under microbial actions belongs to the kinetic isotopic fractionation, which results in the enrichment of heavier isotopes in the remnants. 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。
- That's a factor which we must not neglect. 这是我们不应忽视的一个因素。
- I factor ed my uncle's estate for three years. 我代管我叔父的财产已有三年了。
