Theoretical study of tunneling effect in one - dimensional quantum sine - gordon model 模型隧道效应的理论研究
Channeling effect factor 隧道效应系数
Electronic tunneling is a key aim of scientists in many countries 量子力学中的隧道效应一直是各国科学家研究的重要方向之一。
By analysis and comparison of the results , we draw the conclusion as follows : firstly , the quantum tunneling effect is quite pronounced 通过分析和比较计算结果，我们得到如下结论。第一，体系的能量-反应几率变化曲线说明量子隧道效应显著。
The result showed that the composite had excellent field emission characters . the star - up field intensity was 4 . 4v / um and the f - ncurve indicated that the electron emission was leaded by tunnel effect 材料的场发射性能良好，其发射开启场强约为4 . 4v um ， f ? n曲线表明该材料的电子发射主要是由隧道效应引起的。
It provided a in - depth discussion about the mechanism of tunneling effect as well as the i - v relation and the expression of tunneling current based on the model of metal - insulator - metal 对隧道效应理论进行了深入探讨，并以金属?绝缘层?金属结为模型，讨论了隧道效应中的i ? v关系以及针尖一样品间的隧道电流表达式。
Lastly , the paper proposes five suggestions to restrict controlling shareholders to enlist self - interests from tunneling of cash dividend and to protect rights and interests of small and medium shareholders 本文最后给出五点建议，试图限制控股股东通过现金股利的“隧道效应”谋取私利，以保护中小股东的正当权益。
We find that share percent of top 5 shareholders , control ability ( or combined control ability ) and balance degree ( or combined balance degree ) of bloekholders have important influence on tunneling of cash dividend distribution 研究显示，前五大股东的持股比例、大股东控制力（或联合控制力） 、大股东制衡度（或联合制衡度）对派发现金股利的“隧道效应”存在重要影响。
In this article , four basic properties of nanometer particle are summarized : quantum size effect , surface effect , volume effect , macroscopical quantum tunnel effect , and several ways of preparation and evaluation of nanometer particle are introduced 摘要综述了纳米微粒的四个基本特性：量子尺寸效应、表面效应、体积效应及宏观量子隧道效应，并介绍了纳米微粒的制备方法及对纳米微粒评估的方法。
