valence
- 英 ['veɪləns]
- 美 ['veɪləns]
释义
- n.(化合)价,原子价; (心理)效价
大小写变形:Valence
实用场景例句
- 全部
Hydrogen is a one - valence element.
氢是一价的元素.
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Valence is a sleepy little town just south of Lyon.
瓦朗斯是里昂南面一座寂静的小镇。
辞典例句
Every element tends to satisfy both its primary and secondary valence.
每一元素倾向于既满足它的主价又要满足它的副价.
辞典例句
The valence atom of an alkali - metal atom has two states.
碱金属原子的价原子具有两种能态.
辞典例句
The secondary valence is directed toward fixed positions in space.
副介指向空间的确定位置.
辞典例句
Halogen atoms contain seven electrons in their valence shell.
卤原子在它们的介电子层含有七个电子.
辞典例句
The outer ring contains the valence electrons.
排在外层的有价电子.
辞典例句
Carbon has a valence of four.
碳的化合价是四价.
辞典例句
When it is in this condition, the atom is said to be in a valence state.
当它处于这种状态时, 这个原子就可说是处于价态.
辞典例句
In the preceding section we discussed the valence bond ( VB ) or electron - pair theory of bonding.
在前面一节,我讨论了价键法——电子配对理论.
辞典例句
Halogen atoms contain seven electrons in their valence shell, and , consequently, are monovalent.
卤原子在它们的价电子层含有七个电子, 因此是一价的.
辞典例句
In the valence bond treatment , explicit recourse is made to classical, localized bond structure.
价键法明显依赖经典的定域结构.
辞典例句
Two shared valence electrons forming a bond between adjacent nuclei.
形成电子核子之间的键的两个共享原子价电子.
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Elements 3 is a nonmetal with one valence electron.
元素3是带-1价的非金属元素.
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Tungstate ions were reduced to oxide with intermediate valence.
电沉积过程中,钨酸根被还原成中间价态的氧化物.
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收起实用场景例句英英释义
Noun
1. (biology) a relative capacity to unite or react or interact as with antigens or a biological substrate
2. (chemistry) a property of atoms or radicals; their combining power given in terms of the number of hydrogen atoms (or the equivalent)
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化学
化合价
医学
化合价,原子价:化学上表示一元素在化合物中结合力的正数,即一个元素的原子能结合或置换氢原子(或与其等价的其他原子)的数目 一种元素的特征可以其价数来表示,有单价、二价、三价或多价元素。原子价由原子外层的电子数目决定 效价:在免疫学上,大多数抗体分子都有两个结合部位(即两个抗原结合点),称为二价抗体,IgG、IgA、IgE免疫球蛋白即属此类 IgM分子常为五价,虽然从理论上讲应有10个结合点 同样,一个抗原的价可用与抗体结合部位(即抗原结合点)的数目来表示,多数大分子抗原是多价的 价也可表示菌苗中
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