Fig. 4
From: Bio-synthesis of bacterial cellulose from ramie textile waste for high-efficiency Cu(II) adsorption
(a) Response surface for temperature vs. enzyme concentration, (b) Response surface for temperature vs. time, (c) Response surface for enzyme concentration vs. time. (d) Contour map for temperature vs. enzyme concentration, (e) Contour map for temperature vs. time, (f) Contour map for enzyme concentration vs. time.
