1)  band
价键
1.
The band effects on structure and characting of diamond, graphite and Solid C_(60) have been summarized are discussed.
从价键的观点,对碳三种同素异构体——金刚石、石墨及C_(60)团簇固体的结构、性质及广泛的应用前景进行了类比和探讨。
2)  covalent bond
共价键
1.
This pa per mainly sums up the formation conditions of different type covalent bonds, it s effects on the quality of compounds and its change rule in element periodic ta ble.
无机化学中常见共价键有双电子σ键(包括σ配键)、双电子π键、单电子键、三电子键、离域π键、多中心键、反馈π键(包括d-pπ键、d-dπ键和π←dπ键)等。
2.
The result showed that Si--Si covalent bond eAsts in the melt of eutectic and hyper--eutectic alloy and Sr has capability to weaken the coto bond.
结果表明，在共晶及过共晶的合金的液态结构中，存在着Si—Si共价键，Sr有削弱这些共价键的倾向。
3.
Through analysis of four methods for estimation of the percentage of partial ionic property of the two elements in covalent bond,we found the way for estimation of partial ionic property as a new supplemenl to the method for estimation of the percentage of the partial ionic properties by the strength of electronega tivity.
通过对四种估算二元异原子共价键的离子性百分数的方法讨论，初步找到估算共价键的部分离子性的思路和方法。
3)  non-covalent bond
非共价键
1.
Non-covalent bond based self-assembly organic functional materials;
非共价键自组装有机功能材料
2.
The development of photoluminescent materials was reviewed in thisdissertation, and we designed a novel non-covalent bond self-assembled “molecularduplex” with photoluminescent group.
本文综述了有机光致发光材料的研究现状,设计了一种新的非共价键自组装“分子双股”,通过酯基引入 1,8-萘酰亚胺发光片段对“分子双股”进行功能化。
4)  Bond length of unit valence
单价键长
5)  Valence bond theory
价键理论
1.
Combining the valence bond theory with the crystals field theory of complexes,the configurational field theory to research the structure of complexes is put forward.
将配合物的价键理论和晶体场理论有机地结合在一起,提出了研究配合物结构的构型场理论,应用该理论能更好研究配合物的结构,更全面地解释预测配合物的光谱性、磁性、稳定性、空间构型及构型畸变等性质。
6)  valence bond structure
价键结构
1.
Influence of Cr content on hardness and valence bond structure of graphite-like carbon coatings;
Cr含量对类石墨碳涂层硬度及其价键结构的影响
2.
The valence bond structure,crystal structure and symmetry of C 60 ,the crystal structure of carbon atom cluster and the relation between Bucky Tube and Bucky Ball are discussed.
阐述了Ｃ６０的价键结构、晶体结构和对称性，Ｃ６０碳原子团簇固体的晶体结构以及布基管与布基球的关系。
3.
The valence bond structures and phase stability of refractory metals (W, Mo, Ta, Nb) and their binary alloys have been systematically studied and analyzed under the framework of systematic science of metallic materials.
本文在金属材料系统科学理论框架下,对难熔金属W、Mo、Ta、Nb及其二元合金Ta-W、Nb-Mo、Ta-Mo的价键结构及相稳定性进行了系统的研究和分析。
参考词条
补充资料：σ-配价键
分子式：
CAS号：

性质：一种特殊的共价键。成键的两个原子形成σ键时，成键电子对由其中一个原子提供。以M←L表示。形成条件是：一个原子有空价电子轨道，另一个原子有孤电子对或成键π电子。如顺铂cis-[Pt(NH3)2Cl2]Zeise盐离子PtCl3(C2H4)—前者是配体：NH3提供孤电子对，后者是乙烯提供成键π电子给予中心原子Pt而形成σ-配键。

说明：补充资料仅用于学习参考，请勿用于其它任何用途。