8Quitain A T, Faisal M, Kang K, et al. Low-molecular-weight carboxylic acids produced from hydrothermal treatment of organic wastes[J]. Journal of Hazardous Materials, 2002, 93(2): 209-220.
9Lafitte T S, Forster C F. The use of ultrasound and T-irradiation as pre-treatments for the anaerobic digestion of waste activated sludge at mesophilic and thermophilic temperatures[J]. Bioresource Technology, 2002 84(2): 113-118.
10Nandi R, Bhattacharyya P K, Bhaduri A N, et al. Synthesis and lysis of formate by immobilized cells of Escherichia coli[J]. Biotechnology and Bioengineering, 1992, 39(7): 775-780.
