The strain energy release rate of the crack propagation was calculated by using virtual crack closure technique, and fatigue life was forecasted.
采用虚拟裂纹闭合技术计算裂纹扩展的应变能释放率，并对裂纹扩展寿命进行计算。
The fatigue crack closure and fatigue crack growth rate in the high strain region of SCT specimen are studied.
本文研究了SCT试样高应变区的疲劳裂纹闭合效应和疲劳裂纹扩展速率。
Objective:To investigate the changes of right ventricular velocities, strain and strain rate in patients with atrial septal defect(ASD)after transcatheter closure.
目的：运用二维超声斑点追踪技术评价经皮房间隔封堵术前后患者右心室运动速度、应变及应变率的急性期变化。
Objective: to sum and investigate emergence treatment and nursing cure of patients with acute angle-closure glaucoma, to raise recovering lost eyesight rate.
目的：总结与探讨急性闭角型青光眼的急救与护理措施，提高复明率。
Conclusion Transcatheter closure of ASD is a simple and convenient method with a high success rate and reliable curative effect.
结论经导管介入封堵asd操作简便，成功率高，疗效可靠。
Results: the improved combined operation design can significantly improve the closure rate of the patients with VPI.
结果：改良的联合术式设计可明显提高腭咽闭合不全患者的腭咽闭合率。
Conclusion arrhythmia is a common complication after transcatheter closure of PMVSD, but with low rate of severe arrhythmia.
结论：心律失常是PMVSD介入治疗后常见并发症，但严重心律失常发生率低。
Conclusion arrhythmia is a common complication after transcatheter closure of PMVSD, but with low rate of severe arrhythmia.
结论：心律失常是PMVSD介入治疗后常见并发症，但严重心律失常发生率低。
应用推荐