This paper summarized preparative process of flavonoid from ginkgo bilobal by the way of alkalinity extraction and twice column chromatography.
英
美
本文提出了碱液浸提,活性碳吸附,大孔吸附树脂二次柱层析提取银杏叶黄酮的新工艺。
目录
查词历史
英 汉