Platinum(Pt)supported on Zinc(Zn)modified silicalite-1(S-1)zeolite(denoted as Pt-Zn/S-1)was prepared by using a wetness-impregnation method and applied in the n
Room temperature (about 16℃) pretreatment of pubescens by AlCl3 aqueous solution with different concentrations was studied.In the presence of 20 wt% AlCl3 for