单词	heteroatom
释义	heteroatom /ˌhedərōˈadəm / noun An atom in the ring of a cyclic compound other than a carbon atom.Another common reaction, useful in the formation of ring systems containing a heteroatom such as nitrogen, is the hetero-Diels-Alder reaction.... The heteroatoms, including the retinal, were removed. It has abundant carbon-containing molecules and heteroatoms. Derivatives heteroatomic /-əˈtämik/ adjective ... Homoatomic and heteroatomic refers to the kind of atoms present in the substance. The features of the distribution and composition of heteroatomic crude oil components remaining in rocks of the reservoir developed by water flooding have been revealed. Reported are the first heteroatomic deltahedral Zintl ions made of elements differing by more than one group, indium or gallium and bismuth.
随便看	keynote address keynote lecture keynote presentation keynoter keynote speaker keynote speech keynoting key-operated keypad keypal key pattern key performance indicator key phone key pin key plate keypunch keypunchable keypuncher key ring key screw key seat key-seated keysender keysending key sentence

英语词典包含243303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。