Results 1 to 10 of about 207,780 (153)

运行中550 kN直流悬式绝缘子机电性能研究

Dianci bileiqi, 2018
随着550 kN直流悬式绝缘子在±800 kV特高压直流输电线路上的广泛应用,550 k N直流悬式绝缘子的运行性能直接影响特高压直流输电线路的安全稳定运行。根据湖南电网550 kN直流悬式绝缘子运行数据,结合湖南电网运行特点,对在运550 k N直流悬式瓷绝缘子低零值、铁帽锈蚀、玻璃绝缘子零值自爆等缺陷进行了统计分析。同时对一批在运550 k N悬式绝缘子进行冲击击穿试验、机电（机械）破坏负荷试验、温度循环试验和残余机械强度试验,试验结果表明,部分厂家瓷绝缘子机械性能和电气性能有所下降 ...
岳一石, 龚政雄, 王峰, 邹妍晖, 席崇羽, 卢明   +5 more
doaj  

[Research progress on medial support augmentation techniques for proximal humeral fractures]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
He P, Zheng Y, Kong L, Liu H, Chen H.
europepmc   +1 more source

[Comparative efficacy of robot-assisted minimally invasive technique versus open reduction and internal fixation for Schatzker type I to III tibial plateau fractures]. [PDF]

Zhong Nan Da Xue Xue Bao Yi Xue Ban
Lu J, Liu F, Wang K, Huang D, Zou Y, Chen L.   +5 more
europepmc   +1 more source

[Progress and future prospects of robot-assisted total hip arthroplasty]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Cai L, Gui Y, Kong X, Chai W.
europepmc   +1 more source

[Research progress of electroactivity graphene-based materials in bone repair]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Kang R, Yuan W, Zhu Y.
europepmc   +1 more source

[Application and challenges of tissue engineered scaffolds in treatment of long-segment laryngotracheal stenosis]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Yu Q, Hu J, Yang H, Dong Y, Mo W, Xiong M, Gao Y, Zeng P.   +7 more
europepmc   +1 more source

[Advances in application of hydrogels for treatment of osteonecrosis of the femoral head]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Han G, Li Q, Wang Q, Kang P.
europepmc   +1 more source

极端天气下避雷器底座断裂故障处理与性能试验分析

Dianci bileiqi
介绍了极端天气下某变电站多个避雷器底座断裂缺陷的发现和处理过程，检查到断裂痕迹均为新断面且个别内壁有裂纹。根据气象信息和运行记录，初步判断避雷器底座断裂的直接原因是瞬时大风。将避雷器底座送检，进行了性能试验，包括绝缘子孔隙性试验、弯曲负荷耐受试验和弯曲负荷破坏试验等。通过机械性能试验验证了故障原因的初判。文末总结了缺陷处理经验，提出了应对极端天气下突发情况的对策和措施。
刘建月, 张志东, 薛赵琪, 高若天, 王欣伟   +4 more
doaj  

[Collaborative motion control method for dual-arm surgical robots based on hybrid multi-stage optimization]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Lin B, Li K.
europepmc   +1 more source

[Progress in regulating stem cell functions for repair and regeneration of craniomaxillofacial tissues]. [PDF]

Beijing Da Xue Xue Bao Yi Xue Ban
Zhang H, Yang F, Yang R.
europepmc   +1 more source