valency

英[?ve?l?nsi]

美[\'ve?l?ns?]

基本釋義

Carbon has a valency of 4.

碳的化合價是4價。

牛津詞典

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

除去過渡元素外, 價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移效率和解離常數有關.

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句的語義特征,然后運用配價語法理論對處所主語句的配價特征進行了分析.

期刊摘選

Carbon has a valency of 4.

碳的化合價是4價。

《牛津高階英漢雙解詞典》

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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