The comparison of IR spectrum and X-ray diffraction and waxy crystal size for paraffin,gum,and asphaltene before and aft用降凝降粘剂EVA+AA处理高蜡原油,并对原油处理前后的石蜡、胶质、沥青质进行红外特征吸收峰、X射线衍射峰以及蜡晶尺寸变化研究。