从甲氧基含量高以及红外光谱中各吸收峰可知在竹材木素中富含丁香基。
The bamboo lignin is rich in syringyl units, which is indicated by a high methoxyl content and respective bands in the IR spectrum.
采取偏最小二乘法(PLS)建立起近红外光谱法快速测量植物纤维原料的甲氧基含量的模型。
Rapid determination model of the methoxyl group content in plant fibrous material was established by the integration of near-infrared spectroscopy and partial least squares (PLS).
结果表明，预处理制浆溶出木质素的硫元素与甲氧基含量及脱木质素反应均不同于常规硫酸盐制浆。
The results indicate that the contents of sulfur and methoxyl group and the delignification process of sodium sulfide pretreatment kraft pulping are different from those of control pulping.
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