LI Lei, LI Zhong-pei, LIU Ming, WU Meng, MA Xiao-yan, TANG Xiao-xue. Structural Analysis of Organic Matter Composition in Piggery Wastewater during the Process of Organic Degradation Based on FTIR Spectroscopy[J]. Spectroscopy and Spectral Analysis, 2016, 36(11): 3517