Results 51 to 60 of about 2,067 (102)

[Effects of glutathione on acute cutaneous photodamage in mice and its mechanism]. [PDF]

open access: yesZhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi
Wang Q   +5 more
europepmc   +1 more source

强电流真空电弧——第一部分:实验研究

open access: yesGaoya dianqi, 1972
1.引言 已往,关于真空电弧基本特性的文献多局限于数千安以下。随着真空断路器的迅速发展,有必要对更大电弧电流的真空电弧作一基本的研究。在大功率输配电系统中,要求断路器开断60千安左右的电流(有效值),因而真空断路器也就要求能开断这样的电流。
doaj  

[Advances in basic and experimental diagnostic research on liver diseases in 2025​]. [PDF]

open access: yesZhonghua Gan Zang Bing Za Zhi
Chen DB, Yang RF, Chen HS.
europepmc   +1 more source

[Advances in application of tissue expansion technology in breast reconstruction]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Jiang Y, Tang Z, Xiao S.
europepmc   +1 more source

《国内外高压断路器技术发展动态》

open access: yesGaoya dianqi, 2007
该文集通过对SF6断路器开断能力、热气流的模拟、触头材料烧蚀状况、电弧能量、模型等的分析研究,介绍了SF6断路器的最新发展动态;通过对真空灭弧室大电流开断的物理过程、纵向磁场作用下大电流真空电弧的磁场控制、绝缘恢复特性、触头材料以及真空断路器其它性能的基础研究,介绍了真空断路器的最新发展动向;还介绍了几种新型高压断路器的技术发展,以期对近期国内外在高压断路器方面的研究动向做一系统、全面的综述,供有关业内人士参考借鉴。
doaj  

[The application of surgical robots in head and neck tumors]. [PDF]

open access: yesLin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi
Huang X   +23 more
europepmc   +1 more source

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