Fig. 8From: Periodic-peristole agitation for process enhancement of butanol fermentationEffects of agitation on metabolic distribution of C. acetobutylicum and the corresponding enhancement strategy for butanol production. a summarizes the effects of agitation on cell metabolism. b shows the enhancement effects of rational strategies based on our supposed agitation-associated mechanism. b1 is for TIG and b2 is for PPGBack to article page