chemisorption chalcogen化学吸附氧
chalcogen bond氧族元素过渡链
chalcogen chemistry硫族化学
chalcogen impurity硫属杂质
coordination chemistry of chalcogen硫族元素配位化学
Chalcogen-Containing Heterocycles and Polymers含氧族元素杂环芳烃及聚合物
N(名词) any of the elements oxygen, sulphur, selenium, tellurium, or polonium, of group 6A of the periodic table 硫族元素