AIM: To explore the clinical outcomes of phacoemulsification using rotated-chipping technique for fragmentation of the nucleus.
目的：探讨削梨法超声乳化白内障碎核技术及其临床效果。
2
The result shows that EI fragmentation process of cholesterol esters is determined mostly by the steroid nucleus, and there is almost no difference among the mass spectra of various compounds.
结果表明：胆甾醇酯的EI质谱裂解途径主要由甾环决定，各化合物谱图之间几乎无差别；
3
Results The rate of abnormal nucleus, the rate of nucleusfragmentation and the rate of other abnormal nucleus were much higher in the experiment group than that in the control group(P<0.01);