anionic ion-exchange resin as heterogeneous catalyst[J].Bioresource Technology,2007,98(2):416-421. [13]Diasakou M,Louloudi A Papayannakos N.Kinetics of the non-catalytic transesterification of soybean oil[J].Fue/,1998,77(12 )1297-1302 [14]Kusdiana D,Saka S.Effects of water on biodiesel fuel production by supercritical methanol treatment[J].Bioresource Technology,2004,91 289-295. [15]World Meteorological Day:Insight to renewable energy resources(世界气象日:我 们的目光投向可再生能源(2005).anionic ion-exchange resin as heterogeneous catalyst[J]. Bioresource Technology,2007,98(2):416-421. [13] Diasakou M, Louloudi A , Papayannakos N. Kinetics of the non-catalytic transesterification of soybean oil[J]. Fuel,1998,77(12):1297-1302. [14] Kusdiana D,Saka S. Effects of water on biodiesel fuel production by supercritical methanol treatment[J]. Bioresource Technology,2004,91:289-295. [15]World Meteorological Day : Insight to renewable energy resources(世界气象日: 我 们的目光投向可再生能源) ( 2005)