valency

英[?ve?l?nsi]
美[\'ve?l?ns?]

基本釋義

n.
價(jià),化合價(jià)

詞性變化

實(shí)用例句

Carbon has a valency of 4.

碳的化合價(jià)是4價(jià)。

牛津詞典

Except for the transitional elements, valency electrons are in the outermost electron shell.

除去過(guò)渡元素外, 價(jià)電子位于最外面的電子層.

辭典例句

The antibiotic activity and valency connect with transfer efficiency and dissociation constant.

抗菌活性和抗生素效力與能量轉(zhuǎn)移效率和解離常數(shù)有關(guān).

期刊摘選

This paper is intended to explore the semantic characteristics valency features of sentences with locative subjects.

本文首先探討了處所主語(yǔ)句的語(yǔ)義特征,然后運(yùn)用配價(jià)語(yǔ)法理論對(duì)處所主語(yǔ)句的配價(jià)特征進(jìn)行了分析.

期刊摘選

Carbon has a valency of 4.

碳的化合價(jià)是4價(jià)。

《牛津高階英漢雙解詞典》

英英釋義

Noun
  • 1. the phenomenon of forming chemical bonds

  • 2. (biology) a relative capacity to unite or react or interact as with antigens or a biological substrate

  • 3. (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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