The results show that the condensation degree of dissolvedlignin is relative higher and the increase of conjugated double bond is mainly proceeded at the early stage of cooking.
结果表明，溶出木质素的缩聚程度较高，其共轭双键的增加主要发生在蒸煮前期。
2
In paper manufacturing, lignin is dissolved from wood chips.
在造纸时，木质素从木片中分解。
3
By taking particle diameter measurement as a tool, the behavior for lignin particles with micro-or nano size dissolved in acid or base solution has been studied.