residual-lignin 残余木素
residual lignin content 残余木质素率
structure of residual lignin 残余木素结构
The other method is a combination of total lignin removal and bleaching as practised in connection with chemical pulps that contain only relatively small amounts of residual lignin.
另一方法是，全部木素的去除和漂白的综合作用，这个方法应用于只含有极少量残余木素的化学浆。
Lignin content in the pulp descreases, while carbonyl and phenolic hydroxylgroups in the residual lignin increase, and so do carbonyl groups in polysaccharides, after theactivating treatment.
经活化处理后纸浆中木素含量降低，残余木素中的羰基和酚羟基增多，聚糖中的羰基也增多。
Residual lignins from sodium sulfide pretreatment kraft pulping were studied by chemical and spectral methods. Sodium sulfide pretreatment can promote sulfur combining chemically with lignin.
用化学和波谱分析研究了硫化钠预处理硫酸盐制浆中残余木质素的化学结构特性。
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