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1·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。

2·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。

3·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。

4·Objective: The metabolic characteristics of resistant starch and its regulative effect on glucose response were studied by native stable isotope technique.

目的：利用天然稳定同位素技术，探讨抗性淀粉吸收代谢的特点及对血糖调节的影响。

5·To evaluate the radiation preventive effect of a newly-founded isotope device in a coking factory.

目的对某焦化厂新建同位素装置进行放射防护控制效果评价。

6·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。

7·Is the isotope angular effect the primary or the secondary sputter effect?

同位素角效应是一次溅射效应，还是二次溅射效应？

8·Double spike isotopic dating method of lead isotope is one of the dating ways of lead isotope, its aim is to correct mass differentiation effect and enhance the precision of measure.

铅同位素“双稀释剂”同位素定年法是当前应用较广的一种铅同位素定年方法。双同位素稀释法的目的在于校正质量鉴别效应，提高测定精度。

9·The effect of permeation time on the water distribution in each layer of brown rice during rice moisture conditioning treatment was studied based on isotope tracing technology.

贾富国，王福林， 白士刚，夏吉庆，基于同位素示踪技术的糙米调质后各层水分分布规律的研究。

10·This paper focuses on the phonon frequency effect and the isotope-doped concentrates effect on the phonon scattering in isotope-doped Si.

本论文主要研究声子频率和掺杂点缺陷浓度对同位素掺杂硅声子散射的影响。