5Boopath R. Isolation and charaeterization of a methanogenic bacterium from swine manure [ J ]. Biorcs Teehnol, 1996,55 (3) ,231-235.
6Hao X D, Cai Z Q, Fu K M, et al. Distinguishing activity decay and cell death from bacterial decay for two types of methanogens [ J ]. Water Research ,2012 (46) : 1251-1259.
7Pramanik. Effect of limited nickel availability on methane emission from EDTA treated soils : Coenzyme M an alternative biomarker for methanogens [ J ]. Chemosphere,2013 ( 90 ) : 873 -876.
8McCartney C A, Bull I D, Yah T, et al. Assessment of archaeol as a molecular proxy for methane production in cattle [ J ]. J. Dairy Sci. ,2002, (96) :1-7.
9Daisuke M K. Acceleration of cellulose degradation and shift of product via methanogenic co-culture of a cenulolytie bacterium with a hydrogenotrophic methanogen [ J ]. Journal of Bioscienee and Bioengineering,2012,4 ( 114 ) :435-439.
10Speece R E. Anaerobic Digestion of Biomass[ M]. USA:Else- vier Applied Science Pub, 1987.
