1.Residual lignins from sodium sulfide pretreatment kraft pulping were studied by chemical and spectral methods.
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。
2.Plant cell wall is mainly composed of lignins and polysaccharides, representing the richest source of biomass for future biofuel production.
植物细胞壁主要由木质素和纤维素组成，是未来生物燃料生产最富有的生物物质来源。
3.The potential antioxidant of lignins was studied.
研究了木质素潜在的抗氧化作用。