blood scraper

10 rabbits were performed with the entire conjunctival flap covering cornea with simply mechanical curettage of cornea epithelia, others were applied iodine burning combined with mechanical curettage of cornea epithelia.

目的　探讨碘酊烧灼联合机械刮除角膜上皮行角膜全结膜遮盖手术的效果。

The contaminant removal mechanism was discussed.

通过烧杯混凝试验考察了以高锰酸钾与复合还原剂制备的胶态水合MnO2的除污效能;采用透射电镜观察了胶态水合MnO2凝聚粒子的形态结构,并研究了胶态水合MnO2絮凝沉淀的电荷特征及水合MnO2颗粒的红外谱图,探讨了其除污机制。