对氧脱木素前活性氧活化预处理过程中，纸浆残留木素结构的变化进行了研究。
Structural changes of lignin during the course of activation pretreatment for the oxygen delignification of masson pine kraft pulp were investigated in this study.
刚喷放暴露在空气中的浆料会变成微红色，这是由于浆料中残留的木素和有色物质被氧化的原因。
Freshly blown pulp turns a reddish brown when exposed to air, on account of oxidation of lignin and coloring matter remaining in the pulp.
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