TY - SER AU - Trchounian, Karen TI - Escherichia Coli Hydrogenase 4 (Hyf) and Hydrogenase 2 (Hyb) Contribution in H2 Production During Mixed Carbon (Glucose and Glycerol) Fermentation at Ph 7.5 and Ph 5.5 KW - Hydrogen Production KW - Mixed Carbon (Glucose and Glycerol) Fermentation KW - Ph ER -