请输入您要查询的英文单词:

 

单词 mer
释义 I. mer Chem.|mɜː(r)|
[f. polymer.]
The repeating unit of a polymeric molecule.
1936W. O. Carothers in Trans. Faraday Soc. XXXII. 49 Assume that the weight of the mer or unit is 100.1947R. L. Wakeman Chem. Commercial Plastics xx. 554 The word ‘mer’..has..been used by Carothers to designate the individual unit of repetition in both addition and condensation polymers (as distinguished from the monomeric substances themselves from which the polymer is produced).1952Jrnl. Polymer Sci. VIII. 258 The slight variability in composition and chemical structure permitted..for high polymers results from the presence of end groups, occasional branches, variation in orientation of the mers (monomeric units), irregularity in the sequence of different types of mers (in copolymers), and sometimes other irregularities.1967Margerison & East Introd. Polymer Chem. i. 3 As soon as more than one mer is involved, a wide diversity of polymer structure and type becomes possible.
II. mer
obs. form of mar, mare, mayor, mere.
随便看

 

英语词典包含277258条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2025/1/31 7:20:17