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Yang C, Zhou A, He Z, Jiang L, Guo Z, Wang A, Liu W. Effects of ultrasonic-assisted thermophilic bacteria pretreatment on hydrolysis, acidification, and microbial communities in waste-activated sludge fermentation process. Environmental Science and Pollution Research. 2015 Jan 13;22(12):9100–9. doi: 10.1007/s11356-014-3985-2. |