According to the analysis of IR fingerprint characteristics absorption, the result showed that the PSPV was an acidic polysaccharide containing a carboxyl.
通过对甘薯蔓多糖红外光谱指纹区的特征吸收解析表明：甘薯蔓多糖含有羧基，是一种中偏酸性多糖；
The varies of special absorption coefficient and IR characteristics were discussed to show the aid bleaching of xylanase.
本文从纸浆的特定光吸收系数和纸浆的红外谱征的变化两个方面探讨了木聚糖酶的助漂作用。
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