When ordinary butter is heated until it liquefies , a milky residue sinks to the bottom of the saucepan . The clear , yellow liquid above it is clarified butter .

当普通黄油受热变为液体时，就会有一些乳质残渣沉到锅底，残渣上层清亮的黄色液体就是澄清黄油。

Method : random selection 25 examples after my branch good abdominal section presents the patient who the fat liquefies to take the object of study , uses the method which the traditional chinese medicine chinese rhubarb and the mirabilite externally apply to this 25 example patient to carry on treats and observes its curative effect .

方法：随机选择25例在我科行腹部手术后出现脂肪液化的患者作为研究对象，采用中药大黄及芒硝外敷的方法对这25例患者进行治疗并观察其疗效。