lignin

This article summarized the research development of the reaction characteristic between lignin quinonoid chromophoric group and hydrogen peroxide.

概述了木素醌型发色基团与过氧化氢反应特性的研究进展。

In different harvesting seasons, the lignin, holocellulose and pentosan contents in bamboos didn''t change too much.

至于同为化学主要组的木质素、全纤维素、，没有季节变化。

The effect of organic expanders including humus acid, lignin,vio-lanthrone and isoviolanthrone on the performances of the lead-acid battery are described.

本文叙述了腐殖酸、木素、紫蒽酮及异紫蒽酮作膨胀剂对蓄电池性能的影响.

Moreover, it was shown that degradation of lignin was promoted by veratryl alcohol added, no effect of veratryl alco-hol on degradation of cellulose and hemicellulose was detected.

黎芦醇的加入对纤维素的降解几乎没有影响,对半纤维素降解的影响也不明显。

That means the birch from high longitude and latitude areas will have lower content of the ash, extraction and lignin, higher content of the holocellulose and pentosan in the wood.

这表明，选择较高经纬度地区的白桦，可以降低灰、抽出物、木素含量，提高综纤维素和糖含量。

The changes in chemical structure of residual lignin in reed kraft pulp after treatment with a white rot fungus,Panus conchatus have been investigated in the present paper.

从元素组,功能基含量,结构单元三种基团的比例和子量及其布方面研究了生物降解纤维素酶苇浆残余木素的性质。

The progress in lignin chemical modification was reviewed as well,including sulfonation,oxidation,graft copolymerization,condensation reaction,Mannich reaction,alkylation,hydroxyalkylation,etc.

并综述了木质素在磺化反应、氧化反应、接枝共反应、缩合反应、曼尼希反应、烷基化反应、羟烷基化反应化学改性反应中的研究进展。