Conclusion: Silica gel column chromatography and crystallization are simple and rapid Methods: To isolate gardenoside.结论: 柱层析和重结晶方法是简单、速分离栀子苷的有效办法.This paper advances the preparation method of erucamide by direct ammonol...
For protein crystallization, the main impact of precipitant is on the solvent.对于蛋白质的结晶，沉淀剂主要在溶剂上产生作用。Liquids may not be too viscous or be susceptible to crystallization.液体不能太粘稠，也不能易结晶。The wires usually have a tendency to...
...declarations of undying love.至死不渝之爱的告白Dianne declared her undying love for Sam.黛安娜表示她对萨姆的爱永远不会变。Dianne declared her undying love for Sam...黛安娜表示她对萨姆的爱永远不会变。He had won her undying gratitude...他让她感念一生。He had won her und...