Results 51 to 60 of about 210 (129)
[Biomechanical analysis of miniplate fixation systems in restorative laminoplasty for spinal canal reconstruction]. [PDF]
Nan Fang Yi Ke Da Xue Xue Bao, 2023 Chen J +5 more
europepmc +1 more source
Jianzhu Gangjiegou Jinzhan焊接是钢结构广泛采用的连接形式。在提高钢材强度等级后，焊接接头在服役过程中对蚀坑、裂纹等缺陷的敏感度增强，且焊接会劣化钢材成分、组织性能进而导致焊接接头产生初始缺陷。因此，在环境腐蚀、应力集中、超载等因素作用下，钢结构焊缝连接未达到设计服役年限就发生疲劳断裂，造成严重的资源浪费。基于对多因素耦合下高强钢焊缝连接疲劳性能研究现状的总结，介绍了腐蚀疲劳机理及腐蚀预测模型，分析了疲劳设计方法及疲劳寿命评估理论，归纳了焊接残余应力、点蚀坑以及初始裂纹对焊缝连接疲劳性能的影响。结果表明：焊接工艺 ...
郭宏超, 关晓迪, 王铳, 赵越
doaj +2 more sources
Jixie chuandong, 2008 The air cylinder bolts of super high pressure compressor may get fatigue failure after by action of the alternating loads. The analysis methods of fatigue life to the air cylinder bolts are introduced,the fatigue life can calculate according to the rate ...
陈敏, 陈沪, 马立法
doaj
基于ANSYS Workbench某型半挂车驱动桥壳强度分析与疲劳寿命预测
Jixie chuandong, 2014 To further study semi-trailer drive axle housing running and operating characteristics,taking semi-trailer axle for the study object,for the fracture and fatigue phenomena of driving axle trailer in motion process and the problem of the influence of ...
王筱冬
doaj
Jixie chuandong, 2011 Gear box in caterpillar is designed with the static strength theory.While the dynamic characteristics of planetary parts in different working condition is difficult to obtain with the limit of traditional method,so research on reliability and fatigue ...
刁哲军 +4 more
doaj
[Research on the current situations of reliability and evaluation in Chinese active medical device industry]. [PDF]
Sheng Wu Yi Xue Gong Cheng Xue Za Zhi, 2022 Zhu J +5 more
europepmc +1 more source
Research progress in circadian rhythms in the application of psychological rehabilitation of cancer patients. [PDF]
Zhong Nan Da Xue Xue Bao Yi Xue Ban, 2022 Luo X +5 more
europepmc +1 more source
, 2011 利用rOMAXdESIgnEr软件建立了静液压装载机驱动桥齿轮传动系统虚拟样机,采用IS0281和rOMAX AdJuSTEd轴承疲劳寿命预测方法,对滚动轴承疲劳寿命进行了预测分析。结果表明,各支承轴承的寿命较长,损伤较低,可满足工作要求,这为静液压装载机驱动桥的进一步分析 ...
侯亮, 邹毅
core
Guidance on the management of adverse reactions induced by poly(ADP-ribose) polymerase inhibitors. [PDF]
Zhejiang Da Xue Xue Bao Yi Xue Ban, 2022 Society of Obstetrics and Gynecology of Zhejiang Medical Association +4 more
europepmc +1 more source