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...
He may appeal to the Pope for an annulment of his 24-year marriage.他可能会请求主教宣告他那长达24年的婚姻无效。Law An annulment acquittal ; dismissal, of a court order.取消, 宣告无罪; 法院命令的撤销.The annulment of their marriage resulted in the bastard...