To test the horizontal pull-out strength of the connecting rods by pull-out strength testing machine.
采用拉力测试机器测试连接棒的横向拔出力。
Results: There was no significant difference of screw insertion torque and the pull-out strength between each group.
结果：各组最大螺钉旋入力矩、抗拔出力差异无统计学意义。
The relationship between the concentration of coupling agent and the pull-out strength was investigated through the pull-out test.
通过单丝拔出实验研究了偶联剂浓度与单丝拔出强度的关系。
Objective: To evaluate the pull out strength of different posterior route cervical screw implant techniques.
目的：评价下颈椎后路螺钉不同植钉方法的拔出强度。
With the similar histological change, alendronate treatment group, due to inhibition of the osteoclast cells, needs statistically greater pull out strength than estrogen treatment group does.
雌激素和阿仑磷酸钠治疗在组织学改变相似的情况下，阿仑磷酸钠由于抑制了破骨细胞的活性，其力学性能较雌激素替代治疗组有统计学意义上的提高。
With the similar histological change, alendronate treatment group, due to inhibition of the osteoclast cells, needs statistically greater pull out strength than estrogen treatment group does.
雌激素和阿仑磷酸钠治疗在组织学改变相似的情况下，阿仑磷酸钠由于抑制了破骨细胞的活性，其力学性能较雌激素替代治疗组有统计学意义上的提高。
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