它假设了有生命的物质活时的“碳十四”含量以及其时大气层同样,究竟上有些有生命的物质是排异“同位素”(Isotope Effect)的,以是有人拿活的蚌,以“碳十四”计较法,被下确定的评论它已翘辫子了三千年!
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kinetic isotope effect [物] 动力学同位素效应 ; 同位素效应
Secondary isotope effect 二级同位数效应 ; [核] 二级同位素效应 ; 次级同位素效应
Primary isotope effect [核] 一级同位素效应
Inverse isotope effect [有化] 逆同位素效应
vapor pressure isotope effect 蒸气压同位素效应
thermodynamic isotope effect 热力学同位素效应
solvent isotope effect 溶剂同位素效应
biology isotope effect 生物学同位素效应
indirect isotope effect 间接同位素效应
From the Angle of physical organic Chemistry, the transition state of chemical reactions has been studied in chemical reaction rate and isotope effect.
本文从物理有机化学的角度,从化学反应速度和同位素效应二方面对化学反应中的过渡状态问题进行探讨。
Palladium-hydrogen system has the largest isotope effect in the metal - (hydrogen) systems so far as we know, so palladium is widely used in hydrogen isotopes (disposal) technology.
在迄今所知的金属-氢体系中,钯氢体系的同位素效应最强,因此,钯被广泛用于氢同位素处理工艺中。
Isotope dilution method was adopted in lab for the study of the effect of crude oil contamination on the rate of nitrogen mineralization and nitrification in soil.
在实验室中用同位素示踪法,研究了土壤中不同石油污染量对氮矿化及硝化速率的影响。
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