valency

英 [ˈveɪlənsi]

美 [ˈveɪlənsi]

n.  价; 化合价; 原子价; 组配数限，配价(一个词，尤指动词，在句子中结合的语法成分的数目)

复数：valencies　

医学化学

BNC.39210

牛津词典

noun

• 价；化合价；原子价
  a measurement of the power of an atom to combine with others, by the number of hydrogen atoms it can combine with or displace
  1. Carbon has a valency of 4.
     碳的化合价是4价。
• 组配数限，配价（一个词，尤指动词，在句子中结合的语法成分的数目）
  the number of grammatical elements that a word, especially a verb, combines with in a sentence

英英释义

noun

• (chemistry) a property of atoms or radicals
  Synonym:valence
• (biology) a relative capacity to unite or react or interact as with antigens or a biological substrate
  Synonym:valence
• the phenomenon of forming chemical bonds

双语例句

• 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。
• Molecular Orbital Theory of Bond Order and Valency
  键级和化合价的分子轨道理论
• The chemical composition and valency states of elements on the surface of TiO2 coating films were analyzed by X-Ray photoelectron spectroscopy ( XPS).
  X射线光电子能谱（XPS）研究了酸处理前后TiO2薄膜中元素的价态、化学位移和组成；
• Study on the chemical oscillation of Iron-Dipyridine system and its application to valency analysis of iron
  铁-联吡啶体系化学振荡的研究及其在价态分析中的应用
• Inorganic scale damage of the invasion of high valency cationic drill-in fluid filtrate into formation.
  以及含高价阳离子的完井液滤液侵入储层引起的无机垢损害。
• Valency and the English Verb
  组价和英语动词
• The valency state of samarium detected by polarography in tetrahydrofuran
  在四氢呋喃中用极谱法测试钐的价态
• This paper introduces in brief the basic concept and content of the verb valency grammar as well its features, and indicates the present-day problems in the English teaching of our country.
  介绍了动词配价语法的概念以及基本内容和特点，指出目前在我国英语教学中所存在的问题：只注重句法，而忽视语义的作用。
• The valency of Mn remained+ 4, Cr was changing ( reversibly) between+ 6 and (+ 3 during) charge and discharge.
  在充放电过程中，Mn始终保持+4价，Cr在+6和+3价之间可逆变化。
• Verbs can be researched in various angles. Valency theories have a long history as a significant linguistic theory. In China, it is widely applied to the study of modern Chinese verbs.
  对于动词的研究可以从多个角度入手，配价理论作为一种历史悠久，意义重大的语言学理论，在中国被广泛地应用到现代汉语动词的研究中。