hydroxymethyl相关论文
[Objective]The study aimed at providing reference for the development and utilization of ginseng products and the by-pro......
目的:对山楂核的化学成分及生物活性进行研究。方法:运用大孔吸附树脂D101,硅胶,ODS和制备高效液相色谱等方法分离化合物,通过多种......
目的研究叶下珠Phyllanthus urinaria全草的化学成分。方法应用硅胶、Sephadex LH-20、RP_(18)、MCI-gel柱色谱和半制备HPLC等色谱......
Two new benzofuran lignan glycosides,gelsemiunoside A and B,were isolated from the whole plant of Gelsemium elegans Bent......
通过对松香改性酚醛树脂的粘度、软化点、正庚烷容纳度等性能的分析,考察了酚醛树脂制备过程中不同烷基酚单体和缩合温度对松香改......

