covalent bond
共价键
常用释义
英式发音
美式发音
基本释义
- 共价键：两个原子通过共享电子而形成的化学键。
例句
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1·A coordinate covalent bond is one where both bonding electrons are from one of the atoms involved in the bond.配位共价键是其中两个键合电子均来自该键所涉及的原子之一的键。
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2·Covalent catalysis involves the substrate forming a transient covalent bond with residues in the active site or with a cofactor.共价催化涉及底物与活性位点中的残基或与辅因子形成瞬时共价键。
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3·What's the definition of the covalent bond?共价键的定义是什么？
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4·A pair of electrons Shared between two atoms in a covalent bond.在共价键中被两个原子所共有的一对电子。
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5·SiC is combined by and Si by covalent bond, Which is a kind of non-oxide materials.碳化硅是由碳和硅以共价键为主结合而成的化合物，属非氧化物材料。
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6·The relations of the covalent bond lengths calculated by the model agree with the empirical ones.由此计算出来的共价单键、双键和叁键之间的键长关系基本符合共键长间的经验关系。
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7·This bonding may be hydrogen bonding but is preferably a salt bond and especially a covalent bond.这可能是结合氢键，但最好是盐的债券，特别是共价键。
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8·Covalent bond a chemical bond in which one or more pairs of electrons are Shared between two atoms.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。
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9·Further study is needed before the origin of the covalent bond can be considered a settled question.需进一步深入研究方能解决共价键的起源问题。
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10·The valence electron structures and covalent bond energy have been calculated for cobalt high speed steel.计算了含钴高速钢的价电子结构与共价键能。
同义词
n.
[物化]共价键