Results 71 to 80 of about 461 (104)

[Revision reasons and prosthesis selection of Crowe developmental dysplasia of hip after total hip arthroplasty]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi, 2020
Shen J   +7 more
europepmc   +1 more source

[Progress in research and development of soft tissue three-dimensional bioprinting and its supporting equipment]. [PDF]

open access: yesZhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi, 2022
Hu YK   +5 more
europepmc   +1 more source

氧化锌避雷器故障限制装置

open access: yesDianci bileiqi, 1991
1987年法国电力局研究了一个涉及瓷套式氧化锌避雷器的提案。这要求涉及提高避雷器对其瓷套内或外发生短路故障电流的结构强度,特别在开关重合闸时。在电弧热冲击的同时瓷套破坏(为防止避雷器内压力增高一般装有防爆膜)。为防止内部故障电弧的热冲击 ...
doaj  

在内压力作用下高压开关瓷套管电测、光弹性试验

open access: yesDianci bileiqi, 1973
高压开关灭弧室瓷套管在工作时受较高的内压作用,为了了解瓷套管在内压力作用下的应力分布情况,我们对KW4灭弧室瓷套管进行了电测和光弹试验。就试验结果和计算方法进行了对比分析,听供资料可作设计计算参考。一、电测试验电测试验的加载方式 ...
doaj  

[Analysis of edge morphology of partial veneers made by different processing techniques and materials]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban, 2019
Wang RJ   +6 more
europepmc   +1 more source

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