Chemical structure and molecular weight of acetic acid lignin of eucalyptus viminalis were studied with IR, 1H-NMR and GPC.
采用红外光谱、1H-NMR和GPC研究了多枝桉乙酸木素的结构和相对分子质量,并用乙酸木素对纸张进行了聚氨酯化处理,测试了聚氨酯化处理后纸张的物理性能。
This paper has stated some existent specific problems in development of Yunnan C.
云南是世界上酸木瓜的主要分布地区,但其开发利用仍处于基础阶段。
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