valency

英[ˈveɪlənsi]

美[\'veɪlənsɪ]

基本释义

Carbon has a valency of 4.

碳的化合价是4价。

牛津词典

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

除去过渡元素外, 价电子位于最外面的电子层.

辞典例句

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

抗菌活性和抗生素效力与能量转移效率和解离常数有关.

期刊摘选

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

本文首先探讨了处所主语句的语义特征,然后运用配价语法理论对处所主语句的配价特征进行了分析.

期刊摘选

Carbon has a valency of 4.

碳的化合价是4价。

《牛津高阶英汉双解词典》

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)