Acetic acid lignin (al) from acetic acid pulping was isolated and purified. Chemical structure and molecular weight of al were studied with infrared spectroscopy and GPC determination.
对来自乙酸法制浆废液的木质素进行了提取和纯制，并采用红外光谱和GPC研究了乙酸木质素的结构和分子质量。
Self-modeling curve resolution infrared spectroscopy has been investigated and applied to the simultaneous determination of mixture components with similar structure.
本文研究了自模式曲线分辩红外光度法及其在多组分结构相似混合物同时定量测定中的应用。
Self-modeling curve resolution infrared spectroscopy has been investigated and applied to the simultaneous determination of mixture components with similar structure.
本文研究了自模式曲线分辩红外光度法及其在多组分结构相似混合物同时定量测定中的应用。
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