Nitrogen abundance of Seyfert 2 AGN

We obtained new quantitative determinations of the nitrogen abundance and a consistent relation between the nitrogen and oxygen abundances for a sample of Seyfert 2 galaxies...我们针对一批赛弗特2型星系（Seyfert 2 galaxies）样本，完成了氮丰度的全新定量测定，并建立了氮丰度与氧丰度之间的一致相关关系……