过氧化物：任何由两个氧原子以单个共价键相互结合在一起的一类化合物。
Peroxide: Any of a class of chemical compounds in which two oxygen atoms are linked by a single covalent bond.
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.
用杂化轨道理论和分子轨道理论阐明了氮的氧化物成键类型，给出了分子空间构型及结构数据的解释。
The spatial configurations and bonding effects of Oxides of Nitrogen were explained by using the Valence-shell Electron Repulsion Theory, Hybrid-orbital Theory and Molecular orbital Theory.
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