lignin

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分木质、全纤、聚戊醣等分，则没有季节变化。

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

概述了木醌型发基团与过氧化氢反应特性研究进展。

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、紫蒽酮及异紫蒽酮作膨胀剂对蓄电池性能影响.

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.

黎芦醇加入对纤降解几乎没有影响,对半纤降解影响也不明显。

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.

从元组,功能基含量,结构单元三种基团比例和分子量及其分布等方面研究了生物降解纤苇浆残余木性质。

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白桦，可以降低灰分、抽出物、木含量，提高综纤和聚戊糖含量。