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...
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...
My friend was driving his girIfriend in his Ferrari.我的朋友开着法拉力,载着他女朋友.I'm not the least bit interested in what Ferrari did.对Ferrari做了什么,我一点儿都不关心.Ferrari party: - Ferrari's own parties are the nicest.Ferrari派对:——...
He was sitting on an upright chair beside his bed, reading.他正坐在床前一张直背椅上看书。He was handsome, upright and chivalrous.他长相英俊，为人正直，风度翩翩。Cautiously, he moved himself into an upright position.他小心翼翼地直起了身子。...