An organic coordination (complexing) compound in which the metal ion is bound to atoms of nonmetals, e. g. nitrogen, carbon, or oxygen, to form a heterocyclic ring having coordinate covalent bonds.
一种配位(络合)化合物，其中的金属离子与氮、碳或氧等非金属原子结合生成有配位共价键的杂环。
2
The invention discloses a plant of pseudomonad and the application thereof in the biological removal of nitrogenheterocycliccompound.
本发明公开了一株假单胞菌及其在生物去除含氮杂环化合物中的应用。
3
Tetrazole is the unsaturated energetic heterocycliccompound with high nitrogen content and good stability leading to the high energy yet low sensitivity materials.