Fig. 4From: Continuous production of biohythane from hydrothermal liquefied cornstalk biomass via two-stage high-rate anaerobic reactorsSEM images of microbial community of UASBH (a) and PBRH (b), UASBM1 (c), PBRM1 (d), UASBM2 (e), and PBRM2 (f). Red arrows indicate bamboo-like microbesBack to article page