
Keywords: منابع الکترون; Chlorella protothecoides; Electron sources; H2 photoproduction; Nitrogen limitation; Sulfur deprivation; DCMU; 3-(3,4-dichlorophenyl)-1,1-dimethylurea; Fv/Fm; the maximal efficiency of PSII photochemical activity; H2; hydrogen; LEF/CEF; linear/cyclic elec