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Environmental pollution and energy crisis restrict the development of China, and the utilization of renewable technology is an effective strategy to alleviate the damage. Biogas engineering has rapidly developed attributes to solve environmental problems and create a renewable energy product biogas. In this paper, two different biogas plants' materials were(More)
General:UV-vis absorption and fluorescence analysis conducted on a Jasco V-670 spectrophotometer and a Jasco FP 6500 spectrometer, respectively. The 1 H and 13 C NMR spectra were obtained from a Brucker DRX500 instrument, tetramethylsilane (TMS) was used as an internal standard. Mass spectra were recorded on BIFLEX III MALDI-TOF (Brucker Daltonics Inc.) and(More)
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