
Keywords: نرخ تبدیل; CR; conversion rate; -CH3; methyl group; -COOH; carboxyl group; M. barkeri; Methanosarcina barkeri; M. stadtmanae; Methanosphaera stadtmanae; M. ruminantium; Methanobrevibacter ruminantium; M. smithii; Methanobrevibacter smithii; VFA; volatile fatty acids