Results 61 to 70 of about 1,491 (118)

极端天气下避雷器底座断裂故障处理与性能试验分析

open access: yesDianci 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   +4 more
doaj  

[The advances in the application of image-guided system in endoscopic skull base surgery]. [PDF]

open access: yesLin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi
Wang S, Cong T, Su W, Song P, Qin Y.
europepmc   +1 more source

[Defect modification of calcium silicate and its application in oral bacteriostasis and tooth remineralization]. [PDF]

open access: yesHua Xi Kou Qiang Yi Xue Za Zhi
Hu Y   +6 more
europepmc   +1 more source

["Chongqing experiences" in treatment of bone infections]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Xie Z.
europepmc   +1 more source

[Short-term effectiveness of minimally invasive treatment for posterolateral depressed tibial plateau fractures assisted by robots and arthroscopy]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Chen Z   +8 more
europepmc   +1 more source

[Expert consensus on clinical randomized controlled trial design and evaluation methods for bone grafting or substitute materials in alveolar bone defects]. [PDF]

open access: yesHua Xi Kou Qiang Yi Xue Za Zhi
Liao X   +19 more
europepmc   +1 more source

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