Results 111 to 120 of about 1,562 (150)

高压直流电缆系统交联聚乙烯/三元乙丙橡胶界面的匹配特性研究

open access: yesGaoya dianqi
高压直流电缆绝缘与附件绝缘构成了双层复合绝缘结构,绝缘材料界面的匹配特性是直流输电系统安全稳定运行的重要基础。文中研究了交联聚乙烯(XLPE)和三元乙丙橡胶(EPDM)的电导率性能和材料显微结构对绝缘界面匹配特性的影响,然后研究了复合界面的空间电荷分布特性和电场分布特性,以及材料改性对绝缘匹配特性的影响。实验结果表明,XLPE和EPDM电导率特征参数(材料系数A,电场依赖系数B,活化能φ)的差异是绝缘匹配特性不理想的重要因素,复合XLPE/EPDM界面电场畸变率最高可达209.49 ...
戴明浩   +4 more
doaj  

[Risks, mechanisms, and prevention strategies for cerebrovascular diseases in lunar astronauts under deep]. [PDF]

open access: yesZhong Nan Da Xue Xue Bao Yi Xue Ban
Tang L   +7 more
europepmc   +1 more source

[Ethical considerations for artificial intelligence-enhanced brain-computer interface]. [PDF]

open access: yesSheng Wu Yi Xue Gong Cheng Xue Za Zhi
Cao Y   +6 more
europepmc   +1 more source

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