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采用傅里叶变换红外光谱及~1H和~(13)C核磁共振波谱对玉米秸秆堆腐过程中形成的富里酸(CSR FA)的结构进行了表征.结果表明,玉米秸秆腐解过程中形成的富里酸包括羧基或羰基基团、芳香结构、烷基片断和碳水化合物结构.
The structure of fulvic acid (CSR FA) formed during the composting of corn stover was characterized by Fourier transform infrared spectroscopy and ~ 1H and ~ (13) C nuclear magnetic resonance spectroscopy. The results showed that during the decomposition of corn stover, The fulvic acid includes carboxyl or carbonyl groups, aromatic structures, alkyl moieties, and carbohydrate structures.