The rate of the apoptotic cells of RA was significantly higher than those of OA ( P< 0.01) and NC ( P< 0.01). There was dependence of time and dose within a certain range.
RA组凋亡细胞百分率显著高于OA组（P＜0．01）和正常对照组（P＜0．01），在一定剂量范围内具有时间和浓度依赖性。
Results show that dose rate and monomer concentration were major factors of the radiation grafting. Dependence of the graft rate on dose rate and monomer concentration was 0.4 and 1.2, respectively.
结果表明，单体浓度和辐射剂量率是反应的主要影响因素，两者对接枝反应速率的影响指数分别为1.2和0.4。
Results show that dose rate and monomer concentration were major factors of the radiation grafting. Dependence of the graft rate on dose rate and monomer concentration was 0.4 and 1.2, respectively.
结果表明，单体浓度和辐射剂量率是反应的主要影响因素，两者对接枝反应速率的影响指数分别为1.2和0.4。
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