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bivalent是什么意思

bivalent

美[baɪ'veɪlənt]  英[baɪ'veɪlənt]
adj.  [化]二(原子)价的
  名词:bivalence
  近义词:double,divalent,univalent,multivalent,

英英释义

Adjective
  1. having a valence of two or having two valences
  2. used of homologous chromosomes associated in pairs in synapsis

例句

  1. Of or containing bivalent nickel, Ni2+. 含二价镍的有或含有二价镍Ni2+
  2. A bivalent hydrocarbon radical,CH2-,a component of unsaturated hydrocarbons. 甲叉,亚甲一种双价碳氢基,CH2-,不饱合碳氢化合物的一个组成部分
  3. A bivalent hydrocarbon radical, CH2-, a component of unsaturated hydrocarbons. 甲叉,亚甲一种双价碳氢基,CH2-,不饱合碳氢化合物的一个组成部分
  4. A bivalent organic radical,C6H4,derived from benzene by removal of two hydrogen atoms. 亚苯基一种二价的有机基因,C6H4,通过去掉两个氢原子,从苯中衍生。
  5. Bivalent Describing any pair of homologous chromosomes when they pair up during MEIOSIS. 二价染色体:在减数分裂中配对时的任意一对同源染色体。
  6. A compound derived from ammonia and containing the bivalent NH group combined with a bivalent nonacid group. 亚胺源自氨的一种化合物,含有与一个二价非酸基结合的氨基(NH)
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