...生化分析 (期刊论文) 关键词 振动应力; 最佳振动频率; 扫描电镜; 生化分析; 骨重建 [gap=1239]Key words Vibration stress force ; The optimum frequency ; Scaning electron microscope ; Biochemistry ; Fracture ..
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Methods: The fractured ulna of 43 rabbits were stimulated by vibration stress force of different frequency.
方法：应用可调脉冲频率的振动应力刺激仪，对43只家兔尺骨骨折进行不同频率应力刺激。
The experimental results show that, under vibration force field, tensile strength, tensile stress at 100% and elongation at break of TPE can be enhanced, and hardness(shore A) of TPE can be improved.
实验结果表明，振动力场的作用可以提高TPE的拉伸强度、100%定伸应力和扯断伸长，改善TPE的硬度。
The pre stress bar′s real inter force is obtained by solving an inverse problem of structural vibration.
利用该公式，由实测的结构振动特性反演得到预应力筋的实际内力。
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