Fig. 13

Regression calculation of equations to estimate hexoses and ethanol yields in the raw materials and three optimal pretreated biomass residues of four pairs of Miscanthus samples (n = 32). a Equation between CR of biomass porosity and hexose yields; b equation between CR of biomass porosity and ethanol yields; c equation between five factors (CR and DY of biomass porosity and three major wall polymer features) and hexose yields; d equation between five factors and ethanol yields; e equation between hexose yields and five factors plus their interactions with each other. f Equation between ethanol yields and five factors plus their interactions with each other