???????????????????????????????????????????????????, ????????? (associate professor, College of Environmental Science and Engineering at Nankai University), 2003.12-??????
????????????????????????????????????????????????, ????????? (postdoctoral research fellow, Department of Geological Science at Case Western Reserve University, America), 2001.11-2002.8
?????????????????????????????????????????????, ????????? (postdoctoral research fellow, School of Natural Resources at The Ohio State University, America), 1998.7-2001.6
???????????????????????????????????????, ???????????? (research assistant, Department of Microbiology at The Ohio State University, America), 1992.2-1994.8
????????????????????????????????????, ???????????? (visiting scientist, Department of Applied Microbiology at Lund University, Sweden), 1991.4-1992.1
??????????????????????????????, ??????????????? (assistant engineer, Industrial Microbial Research Institute in Tianjin), 1987.7-1991.3

?????????????????????????????????????????????????????? (Overview to Environmental Biotechnology, undergraduate students)
????????????????????????????????? (Introduction to Environmental Virology, Master students)
???????????????????????????????????? (Professional English for Environmental Science, Master students)
???????????????????????????????????? (Professional English for Environmental Engineering, Master students)
??????????????????-??????????????????????????? (Environmental Biotechnology-Principles and Cases, Ph.D. students)

?????????????????????????????????, ????????????????????????????????????????????????????????? (Ph.D. from Environmental Science Program at The Ohio State University, America)???1994.9-1998.6
????????????, ?????????????????????????????????????????????????????? (????????????????????????????????????????????????????????????) (Master degree from Industrial Fermentation in the Department of Food Engineering at Tianjin Light Industry Institute, currently named as Bioengineering Department in the College of Bioengineering at Tianjin University of Science & Technology), 1984.9-1987.6
????????????, ?????????????????????????????????????????????????????? (Bachelor degree from Industrial Fermentation in the Department of Food Engineering at Tianjin Light Industry Institute), 1980.9-1984.7

????????????????????????: ??????????????????????????????????????????????????????, ???????????????????????????????????????, ?????????????????? (environmental disinfection: rapid right-before-drinking disinfection of tap water using household devices, disinfection efficiency of the processes in the Meijiang Waterwork for deep-treated tap water, disinfection of contact lenses)
?????????????????????????????????: ????????????????????????????????????????????????????????????????????????, ??????????????????????????????????????????????????????, ??????????????????????????????????????????????????????????????????????????????????????????, ???????????????????????????????????????????????????????????????????????????????????????????????????????????????, ??????????????????????????????????????? (bioremediation of soils and sediments: promotion of PAH removal from Lake Erie sediments through polychaeta bioturbation, effects of crops and cultivation methods on soil organic carbon sequestration, promotion of acidic mine spoil bioremediation by coal combustion flue gas desulfurization by-products and other solid by-products, inhibition of microbial acidification of iron sulfide minerals by calcium sulfite and coal combustion flue gas desulfurization by-products containing calcium sulfite, pesticide degradation by a bacterial isolate from soils)
????????????????????????: ??????????????????????????????????????????????????????????????????, ??????????????????????????????????????? (analysis of microorganisms in environments: biological analysis of microbial community in acidic mine drainage sediments, analysis of bacterial activities using redox dyes)
?????????????????????????????????????????????: ??????????????????????????????????????????????????????????????????, ??????????????????????????????????????????L-???????????????, ????????????????????????????????? (biotechnology for environmental-friendly products and their production: promotion of flavor compounds production in Lactococcus lactis through citrate metabolism, lab-scale and pilot scale fermentation of L-lactic acid using Rhizopus oryzae, cell fusion of high yield glutamate production strains)

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