5TSIAKARAS P, DEMIN A. Thermodynamic analysis of a solid oxide fuel cell system fuelled by ethanol [J]. Journal of Power Source, 2001,102:210-217.
6BERTHIAUME R, BOUCHARD C, ROSEN M A. Exergetic evaluation of the renewability of a biofuel [J]. Exergy Int. J., 2001,1 (4) :256-268.
7PATZEK T W. Thermodynamics of corn ethanol biofuel cycle [J]. Critical reviews in plant science, 2004,23 (6) :1-50.
8PATZEK TW, ANTI S M, CAMPOS R, et al. Ethanol from corn: Clean renewable fuel for the future, or drain on our resources and pockets[J]. Environment, Development and Sustainability, 2005,7 ( 1 ) : 125-134.
9WEST T O, MARLAND G. A synthesis of carbon sequestration, carbon emissions, and net carbon flux in agriculture: comparing tillage practices in the United States [J]. Agricultural Ecosystems and Environment, 2002,91 ( 1 ) : 217-232.
10SHAPOURI H, DUFFIELD J A, WANG M. The energy balance of corn ethanol: An update [R].Washington DC: US Department of Agriculture, 2002.