增殖性材料是指本身在热中子的作用下不易发生核裂变，但是通过中子俘获和接下来的核反应产生裂变物质的材料。
目的了解两种材料表面软骨细胞的增殖特性预测形成组织工程化关节软骨的可能性。
Objective To forecast the possibility of new cartilage formation by tissue engineering approach with observation of the cartilage cell proliferation on two difference materials.
目的：观察分析玻璃体切割联合激光治疗增殖性糖尿病性视网膜病变的疗效及充填材料选择。
Objective:To explore the effect and the filling material of vitrectomy combining with laser on the treatment of PDR.
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