1) five-membered ether ring
五元醚环
2) five-membered ring
五元杂环
1.
The fluorescence of three heterocyclic organic compounds with five-membered ring have been studied by B3LYP method of DFT, in this paper.
采用密度泛函理论(DFT)中的B3LYP方法,在6 31G 水平上对三种五元杂环物质进行了构型优化,对优化后的构型做振动分析,均未出现虚频率。
4) fifteen-ring,fifteen-membered ring
十五元环
5) five-membered ring
五元环;五原子环
6) macrocycle polyether
大环多元醚
1.
It is described that the liquid membranes with macrocycle polyethers as mobile carriers are used for separating monovalent (potassium and sodium), divalent (lead) and trivalent (rare earths)metal ions.
本文介绍了大环多元醚做流动载体的液膜用于分离一价金属离子钾和钠、二价金属离子铅以及三价金属离子稀土等的有关应用基础研究。
补充资料：五甲基五乙烯基环五硅氧烷
CAS：17704-22-2
分子式：C15H30O5Si5
分子质量：430.82
沸点：261℃
中文名称：五甲基五乙烯基环五硅氧烷
英文名称：Pentamethylpentavinyl cyclopentasiloxane
2,4,6,8,10-pentaethenyl-2,4,6,8,10-pentamethyl-cyclopentasiloxan
pentavinylpentamethylcyclopentasiloxane
2,4,6,8,10-pentamethyl-2,4,6,8,10-pentavinyl-cyclopentasiloxane
分子式：C15H30O5Si5
分子质量：430.82
沸点：261℃
中文名称：五甲基五乙烯基环五硅氧烷
英文名称：Pentamethylpentavinyl cyclopentasiloxane
2,4,6,8,10-pentaethenyl-2,4,6,8,10-pentamethyl-cyclopentasiloxan
pentavinylpentamethylcyclopentasiloxane
2,4,6,8,10-pentamethyl-2,4,6,8,10-pentavinyl-cyclopentasiloxane
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