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.
如果酒中有高含量的甲氧基有机化合物，我们尝起来觉得是酿制酒的水果没有成熟或是质量低劣的。
High levels of chemicals called alkyl-methoxypyrazines can make wines taste as though the fruit from which they were made was under-ripe or low-quality.
胡敏酸甲氧基功能团的含量多寡是衡量土壤腐殖质化的重要指标。
The content of methyl functional group of humus is an important index to evaluate the humification of soil.
研究了用紫外分光光度法和气相色谱法测定1，2，3-三甲氧基苯含量的方法，提出了测定实验条件。
Methods of gas chromatography and UV-spectrophotometry for determination of 1,2,3-trimethoxybenzene content were studied. Test conditions of the methods were proposed.
木质素的甲氧基、羧基含量与总氮、有效氮含量均呈较好的线性关系。
The contents of methoxyl and carboxyl groups have good linear relationships between the contents...
木质素的甲氧基、羧基含量与总氮、有效氮含量均呈较好的线性关系。
The contents of methoxyl and carboxyl groups have good linear relationships between the contents...
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