Results 71 to 80 of about 252 (116)

[Effects of 50 Hz electromagnetic field on rat working memory and investigation of neural mechanisms]. [PDF]

open access: yesSheng Wu Yi Xue Gong Cheng Xue Za Zhi, 2023
Wang L, Li S, Li T, Zheng W, Li Y, Xu G.
europepmc   +1 more source

高压真空熔断器

open access: yesGaoya dianqi, 1986
本文结合真空电弧的纵向磁场特性、分析了真空熔断器的燃弧特性和熄弧原理,从熔化特性出发分析其弧前过程,总结真空熔断器的优点,提出了一些具体的可能实现的产品方案。认为发展较高电压等级,大额定电流的真空熔断器,对提高目前高压熔断器产品的水平有积极作用,也是今后高压断器产品发展方向之一。
doaj  

[Application of salivary micro-ecosystem in early prevention and control of oral and systemic diseases]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Sun X, Yuan C, Zhou X, Diao J, Zheng S.
europepmc   +1 more source

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