我们可以想象比较一下钾离子，与钠离子，它们都同样带有正一价的电荷。
So we could think about comparing the potassium ion to a sodium ion. They have the same charge of plus one.
从键价的概念出发，对氧化物超导体中铜离子的有效电荷进行了计算。
Effective valences of copper in superconducting oxides were calculated from the concept of bond valence.
基于价键电荷模型计算了碳纳米管的结合能随管径和手性角的关系。
Based on a model of charges at bonds, the binding energy with respect to diameter and chiral Angle of single-wall carbon nanotube have been studied.
基于凝相机理与热解实验，从分子层面和化学反应的角度，结合价键、形式电荷、链反应等理论和固体单元推进剂的燃烧状况，提出了AP与HMX间的“连锁互动”机制。
Related to bond polarity, formal charges on atoms, chain reaction theory and the comparison of solid monopropellant combustion and modeling, the "linkage mutualism"mechanism was proposed.
基于凝相机理与热解实验，从分子层面和化学反应的角度，结合价键、形式电荷、链反应等理论和固体单元推进剂的燃烧状况，提出了AP与HMX间的“连锁互动”机制。
Related to bond polarity, formal charges on atoms, chain reaction theory and the comparison of solid monopropellant combustion and modeling, the "linkage mutualism"mechanism was proposed.
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