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valence是什么意思

valence

美['veɪləns]  英['veɪləns]
n.  [化]化合价;[语]配价;[免疫学]效价;[心理学]抗体效价;某物结合、反映或作用于另一物的能力
  异体字:valency  名词复数:vallences
  近义词:valency,

详细释义

n.(名词)
  1. 原子价
  2. 【化学生物学】价
  3. 【化学生物学】数价
  4. 化合价
  5. 化学价
  6. 原子价数
  7. 效价
  8. 瓦朗斯(音译名)

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)

例句

用作名词(n.)
  1. Lead in compounds has valence 2 and 4;an oxide (litharge) is the most widely used.铅化物的原子价有+2和+4价,其中铅氧化物(密陀僧)是最广为使用的。
  2. It puts forward the importance of verb valence in learning the second language.并指出了动词配价理论在第二语言学习中的重要性。
  3. I do not claim to know much more about novels than the writing of them, but I cannot imagine one set in the breathing world which lacks any moral valence.我从不敢声称我对小说的了解远远超过我所写的小说本身,但我不能想象一个人活在这个世界上可以不需要任何精神上的依托。
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