以不同树龄鸭梨树的生长发育资料为依据，利用灰色关联分析法，对鸭梨产量与树体发育指标的关联程度进行了分析。
Based on growth and development data of Yali pear at different years, the grey related degree analysis and G(0, m)prediction model were carried out.
方法：采用细胞生长曲线，MTT比色分析法及细胞周期检测ED-71对体外培养OS-732人成骨样细胞增殖的作用与效价。
Methods: Osteoblast-like cells were cultured with various concentration of ED-71. The Effects of ED -71 on proliferation and differentiation were detected by MTT, .
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