5Ssieh Chun Lung,Houng Jer Yiing.Process for prepa-ration of D-lactic acid From D,L-lactic acid ester using wheat germ or pancreatic lipase[P].US 5605833,1997-02-25.
6泉美治.仪器分析导论:第二册[M].2版.北京:化学工业出版社,2005:71.
7张庆和,张维冰,杨长龙,等.高效液相色谱实用手册[M].北京:化学工业出版社,2008:214.
8L Xuemei,L Jianping,L Mo'e,et al.L-lactic acid production using immobilized Rhizopos oryzae in a three-phase fluidized-bed with simultaneous product seperation by electrodialysis [J].Bioprocess Engineering,1999,20:231-237.
9Martak Jan,Schlosser ? tefan,Sabolova Erika,et al.Fermentation of lactic acid with Rhizopus arrhizus in a stirred tank reactor with a periodical bleed and feed operation [J].Process Biochemistry,2003,6,38(11):1 573-1 583.
10Pacataggio AK,Zhang M,Franden MA.Recombinant Lactobacillus for fermentation ofxylose to lactic acid and lactate [P].WO9713842,1998-8-25.
6Bourissou D. Martin-Vaca B, Dumitrescu A, et al. Controlled cationic polymerization of lactide [ J ]. Macromolecules, 2005, 38(24) :9993 -9998.
7Achmad F, Yamane K, Quan Shi, et al. Synthesis of polylac- tic acid by direct polycondensation under vacuum without cata- lysts, solvents and initiators[ J]. Chem Eng, 2009,151 (1/2/ 3 ) :342 - 350.
8Xiong Huiming,Zheng J X,Van Horn R M,et al. A new ap- proach in the study of tethered diblock copolymer surface mor- phology and its tethering density dependence [ J]. Polymer, 2007,48 ( 13 ) :3732 - 3738.
