Citrus peels are a promising commercial source for high -methoxyl pectin.
桔皮是一种理想的高酯果胶原料。
The invention discloses a method for preparing 3-methoxyl-4-tert-butyl toluene.
本发明公开了一种制备3 -甲氧基- 4 -叔丁基甲苯的方法。
Aim To design and synthesize new methoxyl carbazole analogues as antitumor compounds.
目的设计合成新型甲氧基咔唑类抗肿瘤化合物。
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。
Objective To investigate the optimal extraction technology of low methoxyl pectin from shaddock peel.
目的研究从柚皮中提取低甲氧基果胶的最佳工艺条件。
Objective: To improve the synthesis method of the intermediate of Omeprazole, 2-nitro-4-methoxyl-aminobenzene.
前言：目的：改进奥美拉唑中间体2 -硝基- 4 -甲氧基-氨基苯的合成方法。
The methyl- esterification reaction of low -methoxyl pectin with methylalcohol by the presence of some catalysts was observed .
研究了在催化剂存在下低酯化度果胶与甲醇进行的甲酯化反应。
The bamboo lignin is rich in syringyl units, which is indicated by a high methoxyl content and respective bands in the IR spectrum.
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 pectin in most plants is the high methoxyl pectin, so the low-methoxy pectin has to be prepared by reducing the degree of esterification.
自然界大多数植物中的果胶为高甲氧基果胶，需通过降低其酯化度制备低甲氧基果胶。
Index on gel time and gel strength - the effect of single-factor test indicated that AGAR, gelatin, sodium alginate and low methoxyl pectin could gel yoghurt effectively.
以胶凝时间和凝胶强度为指标，通过单因素实验确定添加适当用量的琼脂、明胶、海藻酸钠和低甲氧基果胶可使酸乳胶凝。
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).
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。
The relative stereochemistry of the 1, 10-double bond and that of the methoxyl, methyl, and acetoxy groups were determined by NOESY experiments and analyses of the coupling constants.
通过NOESY实验以及偶合常数的分析，确定了其结构中1,10位双键和甲氧基、乙酰氧基、甲基等基团的相对构型。
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.
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.
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。
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