CHARACTERIZATION OF COKE DEPOSITED ON Hβ ZEOLITE CATALYST DURING ALKYLATION OF ANILINE BY NMR
Ai Xuanjun, Zhou Jianwei, Ye Chaohui, Wang Jingzhong, Wang Lijun, Wang Xu, Guo Zhenya
Chinese Journal of Magnetic Resonance . 1999, (3): 207 -210 .