The distribution of si and al of reusy zeolites with the different degree of dealumination by ^29si and ^27 ai masnmr
NIU GUOXING;LI QUANZHI;DAI LINSEN;XUE ZHIYUAN;ZHAO YAN;HOU YUDUO;LI MINGSHI
Acta Chimica Sinica . 1992, (7): 637 -643 .