valency
英 ['ve?l?ns?]
美['vel?nsi]
- n. [化学] 化合价；[化学] 原子价
- n. (Valency)人名；(法)瓦朗西；(英)瓦伦西
词态变化
复数:?valencies;
中文词源
valency 原子价
来自拉丁语valere, 强健的，有价值的，词源同value,用来指原子价。
英文词源
- valency
- valency: see value
双语例句
- 1. Carbon has a valency of 4.
- 碳的化合价是4价。
来自《权威词典》
- 2. 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.
来自辞典例句
- 3. 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.
来自互联网
- 4. 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.
来自互联网