Hollow fiber membranes with good gas permeability can be obtained after the extraction of the paraffin oil and stretching to a small extension. 将石蜡油提取掉后稍加拉伸即可得到透气性很好的微孔中空纤维渗透膜。
After CLEARING, tissues are placed in two or three baths of molten paraffin wax. 包埋的步骤是,清洗材料后将组织块置于两种或三种液体石蜡中,当组织完全被渗透就可以使其凝固。
ObjectiveTo survey the effect of lidocaine with liquid paraffin used for male urinary cathetherization. 目的观察利多卡因加液体石蜡在男性导尿中的效果。