metathesis是什么意思？

metathesis

英[məˈtæθəsɪs] 美[mɪˈtæθɪsɪs]

• n. 调换，转位，交换；

复数：metatheses;

例句

• Recent advances in ring closing metathesis ( RCM ) reaction, including olefin and enyne metathesis reaction are reviewed. 综述了近几年来关环复分解 ( RCM ) 反应的研究新进展, 包括了烯烃、烯-炔的RCM反应.
• Several kinds of ruthenium - catalyzed organic reactions were reviewed: hydrogenation, oxidation, isomerization, metathesis. 综述了钌催化剂催化的主要几类有机合成反应,包括氢化 、 氧化 、 异构化 、 复分解.
• Reduction - metathesis method for preparation of strontium carbonate from celestite is developed. 提出还原 - 复分解法制备碳酸锶的新工艺.

英英词典释义

• Noun
  1. a linguistic process of transposition of sounds or syllables within a word or words within a sentence
  2. a chemical reaction between two compounds in which parts of each are interchanged to form two new compounds (AB+CD=AD+CB)

行业词典

• 医学： 病变移植：人工转移病变的过程；置换〔作用〕，复分解〔作用〕，易位〔作用〕：在化学反应中，一种化合物的元素或基团与另一化合物的元素或基团进行交换；