英英释义
covalent bond
- n. a chemical bond that involves sharing a pair of electrons between atoms in a molecule
以上来源于: WordNet
柯林斯英汉双解大词典
covalent bond
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1.
N a type of chemical bond involving the sharing of electrons between atoms in a molecule, esp the sharing of a pair of electrons by two adjacent atoms 共价键
双语例句原声例句权威例句
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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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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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What's the definition of the covalent bond?
共价键的定义是什么？
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He said that the percent ionic character, and this is within a bond, not for a compound, for a covalent bond.
他提到离子百分数，是指一根键中，并非一个分子中。
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A covalent bond is any time we have a pair of electrons that is shared between two different atoms.
所谓共价键就是我们有两个原子,共用一对电子。
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Likewise, the element that is a good electron acceptor in an electron transfer reaction is going to be the element that is going to hog the electrons in a covalent bond.
同样的，这个元素在一个电子转移反应中,是个很好的受赠者它将成为在共价电子,中吸引电子的元素。
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