Gong1, Mengdan, Xuejiao Wang1, Jiaxiu Guo1, Yongjun Liu1, and Huaqiang Yin1. 2014. “Desulfurization Activity of Ni NAC Catalysts Prepared by Ultrasonic-Assisted Impregnation”. Asian Journal of Chemistry 26 (23):8191-96. https://doi.org/10.14233/ajchem.2014.17886.