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- Keywords concrete;unstable fracture toughness;three-point bending test;wedge splitting test; 混凝土;失稳韧度;三点弯曲试验;楔入劈拉试验;
- unstable fracture toughness 失稳韧度
- High fracture toughness and insulation resistance. 高断裂强度及绝缘性能。
- The fracture toughness was strongly affected by temperature and loading rate. 结果表明:温度和加载速率都对断裂韧度产生影响;
- ASTM E813-1989. Standard test method for JIC, a measure of fracture toughness. 惠虎.;解理断裂局部法理论的关键技术改进及应用研究:[博士学位论文]
- Conclusion Barton's fracture is an unstable fracture,usually volar fracture is predominant. 结论barton's骨折系不稳定性骨折,掌侧型多见。
- The accepted designation for the plane-strain fracture toughness under these environments is this. 在这些环境下平面应变断裂韧性所采用的符号是这个。
- An unstable fracture is grossly displaced during injury and is a site of poor fixation. 不稳定性骨折在损伤期间移位明显，固定性差。
- Their fracture toughness and hardness were determined with Vicker's indentation test machine. 在维氏硬度仪上测试断裂韧性和硬度。
- For the unstable fracture of middle and lower end of fibula,teratological union will affect the functional recovery of ankle joint. 不稳定型腓骨中下段骨折的畸形愈合将影响踝关节功能的恢复，对其骨折应同样正确复位与固定；
- The material fracture toughness was adequate to ensure development of the full fatigue resistance of the weld detail. 材料的断裂韧性可充分满足焊缝细节疲劳抗力的发挥。
- Ask advice about things such as arthritis, joint replacement, splinting &plastering or factors in treating the acute unstable fracture. 可以求助关于：关节炎、关节置换以及处理急性不稳定性骨折时的夹板、石膏相关问题。
- Methods :Since 1998,the functional external C-type fixator has been used to treat 18 pat ients with unstable fracture of distal radius. 方法:自1998年以来,应用自行研制的功能性外固定器治疗桡骨远端C型骨折18例。
- Conclusion The operative method of unstable fracture of the distal part of the radius with mini-plate and external fixation is a good metho... 结论采用微型钢板结合超关节动力外固定支架对桡骨远端不稳定骨折进行腕关节重建具有良好的临床效果,能较好地防止骨折畸形愈合和保护腕关节功能。
- The electroslay welds were found to have a lower level of fracture toughness than implied from qualification tests. 人们发现电渣焊缝的断裂韧性较鉴定试验所给的结果要低。
- This study also suggested that the PFN provided faster restoration of walking ability than did the DHS in patients with unstable fracture patterns. 这个研究也证明在不稳定骨折中PFN组较DHS组行走能力恢复更快.
- The relationship between fracture toughness and crystal orientation hasbeen also examined. 断裂韧性与晶体学取向的关系亦作了分析。
- Aside from the effect of temperature on fracture toughness, no other environmental effects are probable. 除温度对断裂韧性的影响外，没有其它环境因素的影响。
- A Charpy test is usually much less expensive to perform than a fracture toughness characterization experiment. 夏比（冲击）试验通常要比断裂韧性试验的费用低得多。
- Haddad and Goddard37 believed that placing the thumb in traction, which puts the wrist in extension and ulnar deviation, can help reduce the acute unstable fracture. Haddad和Goddard37相信通过拇指牵引保持腕关节背伸、尺偏，有助于急性不稳定型骨折复位。
