7Sun Y ~, Ma S Q, Du ~ C, et al. Solvent -free preparation of nanosized sulfated zirconia with brosted acidic sites from a simple calcination[J]. Physical Chemistry,2005,109:2567 - 2572.
8Garcia C M,Teixeira S, Marciniuk L L, et al. Transesterifica- tion of soybean oil catalyzed by sulfated zirconia [ J ]. Biore- source Technology,2008,99:6608 - 6613.
9Linsen L. How is chemical interesterification initiated: Nucle- 3philic substitution or B - Proton abstraction [ J ]. JAOCS, ~.004 ,81:331 - 337.
10Martin J R, Neil D W. Methods for preparation and use of ~trong base catalysts:US,20090137829 [ P]. 2008 - 05 - 07.