Results 51 to 60 of about 3,240 (98)

沿海盐雾环境下线路复合绝缘子老化机理与防护研究综述

open access: yesDianci bileiqi
就沿海高盐雾环境下的复合绝缘子老化问题而言,本文系统地阐述了盐离子渗透导致硅橡胶化学降解的原理,像硅氧烷主链Si-O-Si键水解断裂、阻燃填料ATH溶出以及微孔形成这些过程。重点分析温湿度循环、污染物积聚及电场应力多场耦合对绝缘性能的影响,指出湿热环境促使离子迁移加速,电场畸变引发局部放电,进而导致材料介电损耗增加、体积电阻率降低以及闪络电压下降。全面梳理表面功能化防护技术(如微纳分级结构超疏水涂层)和智能运维策略(无人机光谱检测与高压射流清洁),并指出它们在动态盐雾环境中的适用范围和技术局限 ...
武轶   +5 more
doaj  

[Research progress in repair of post-epicanthoplasty deformity]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Ren B, Chen W.
europepmc   +1 more source

[Clinical application research of three-dimensional printed patient-specific cutting guides in Cole midfoot osteotomy]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Zhang Z   +7 more
europepmc   +1 more source

[Lapidus arthrodesis combined with middle metatarsal base rotation osteotomy in treatment of hallux valgus with metatarsus adductus]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Shang L   +7 more
europepmc   +1 more source

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