Results 61 to 70 of about 722 (101)

冲击电压下变压器油中放电电弧放电通道形态及激波特性研究

open access: yesGaoya dianqi
油中电弧放电是变压器燃爆事故的主要诱因,随着电力系统发展和电压等级提升,暂态脉冲电压频率和幅值增加,使得油中电弧放电行为变得更加复杂。本研究旨在探讨脉冲电压下变压器油中电弧放电的电弧及激波形态变化。为此,设计并搭建了高压脉冲放电油击穿实验平台,通过同步采集脉冲电弧放电过程中的电压-电流信号,并结合高速摄影技术,捕捉了油中电弧放电动态演变及激波的传播过程。研究分析了放电过程中电弧与激波的形态变化规律及其相互作用机制,并探讨了不同电极间隙对电弧及激波直径的影响。实验结果表明 ...
贾灵杰   +4 more
doaj  

[Chlorhexidine and Polident Induce the Formation of <i>Candida albicans</i> Persistence]. [PDF]

open access: yesSichuan Da Xue Xue Bao Yi Xue Ban
Lin Y   +5 more
europepmc   +1 more source

[Development of a surface electromyography index system for orofacial muscles and validation of a discriminant model in unilateral molar occlusal interference]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Li W   +11 more
europepmc   +1 more source

[Expert consensus on local anesthesia application in pediatric dental therapies]. [PDF]

open access: yesHua Xi Kou Qiang Yi Xue Za Zhi
Wang Y   +16 more
europepmc   +1 more source

[Non-invasive positive pressure ventilation for residual OSAHS with hypercapnia: a case report]. [PDF]

open access: yesLin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi
Yang L   +6 more
europepmc   +1 more source

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