释义 |
heterocyclic ring短语⁶⁹⁵⁸⁰ 基本英英近义反义例句 杂环
Noun: a ring of atoms of more than one kind; especially a ring of carbon atoms containing at least one atom that is not carbon近义词 heterocycle杂环 A class of organic compounds having a five-memberedheterocyclic ringwith two double bonds.氮杂茂一种由五种杂环元素,两组粘合剂组成的有机化合物。 The resonance energy of aromatic heterocyclic compomds is an importrtemt parameter in studying their properties.共振能是研究芳杂环化合物性质的重要参数。 |