2) noncyclic crown ether
非环冠醚
1.
The electron impact mass spectra of noncyclic crown ethers with heterocyclic methmazole as terminal groups 1a￣4a and fo were given and discussed in the present article.
本文给出以杂环甲巯咪唑为端基的非环冠醚１ａ～４ａ及１ａ的异构体１ｂ的电子轰击质谱（ＥＩＭＳ）并讨论之。
3) cyclic crown ether
环状冠醚
1.
Results show that it is very difficult to get rid of cyclic crown ether and low-molecule-weight oligomer by distillation under negative pressure.
结果表明,通过减压蒸馏除掉环状冠醚和低分子齐聚物难度较大,仅能蒸出少量环状三聚体;而溶剂萃取法则能得到较为理想的结果。
4) acyclic polyether diglycol(EO4)
开环冠醚(EO4)
5) acyclic polyethers
开环冠醚(EO_2)
6) noncyclic crown ether
非环状冠醚
补充资料：(甲基环氧乙烷与环氧乙烷的聚合物)的单十四醚
CAS：37311-04-9
分子式：C14H30O·(C3H6O·C2H4O)x
中文名称：(甲基环氧乙烷与环氧乙烷的聚合物)的单十四醚
英文名称：Oxirane, methyl-, polymer with oxirane, monotetradecyl ether
oxirane, methyl-, polymer with oxirane, monotetradecyl ether
分子式：C14H30O·(C3H6O·C2H4O)x
中文名称：(甲基环氧乙烷与环氧乙烷的聚合物)的单十四醚
英文名称：Oxirane, methyl-, polymer with oxirane, monotetradecyl ether
oxirane, methyl-, polymer with oxirane, monotetradecyl ether
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条