heterocyclic ring
英
美
- heterocyclic adj.[化]杂环的;不同环式的
- ring n.戒指;环;圈;拳击场;马戏场;帮派n.铃声;钟声;电话;口气v.包围;环绕;形成圈v.打电话;回响;鸣响;按铃;听上去
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
- A class of organic compounds having a five-membered heterocyclic ring with 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。