Results 51 to 60 of about 1,170 (110)

[A case report of benign paroxysmal vertigo of childhood complicated with patent foramen ovale and emotional disorder]. [PDF]

Lin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi
Wu D, Zeng X.
europepmc   +1 more source

配电网弧光接地故障暂态电压行波特性分析与故障定位

张佳军
openalex   +2 more sources

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

Beijing Da Xue Xue Bao Yi Xue Ban
Li W, Shen Y, Yang Y, Shan S, Gao Z, Wen A, Shang X, Tian Y, Guo S, Wang Y, Wang Y, Zhao Y.   +11 more
europepmc   +1 more source

高压隔离开关操作引起的地电位暂态升高

, 1990
何善庆
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基于分布式地电压测量的开关柜放电溯源方法

Gaoya dianqi
暂态地电压（TEV）检测是测量开关柜局部放电的常用方法之一，然而由于现场接地系统布置等原因，其信号时常在设备间出现串扰，从而给放电源的定位带来困难。针对该问题，分别构建了单体开关柜与变电站开关室并排开关柜的电磁仿真模型，探究了在放电源未知的条件下单体开关柜暂态地电压信号的最佳测量点，以及多台开关柜共用接地体时的放电源定位方法。仿真结果表明，在放电源位置未知的条件下，柜体正面中下方的测量点位具有最佳的测量效果；对于共用接地体的并排开关柜，各柜对于同一放电脉冲的响应幅值随其与放电源的距离增加而显著衰减 ...
谢荣斌, 薛静, 靳斌, 王瑞果, 关浩斌   +4 more
doaj  

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

Zhong Nan Da Xue Xue Bao Yi Xue Ban
Tang L, Tang Q, Li Y, Wang L, Zhang F, Zhang X, Liu R, Zhang L.   +7 more
europepmc   +1 more source

开关柜绝缘缺陷暂态地电压检测技术研究

, 2017
陶诗洋, 张学哲, 段大鹏, 王文山, 程序, 任志刚, 杨丰源, 崔静   +7 more
openalex   +1 more source

[Progress on ultrasound-responsive piezoelectric drug delivery system for treatment of neurodegenerative diseases]. [PDF]

Zhejiang Da Xue Xue Bao Yi Xue Ban
Ma R, Chen Y.
europepmc   +1 more source

[Emphasizing evolution of key technological elements in reconstructive surgery]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Zan T, Li Q.
europepmc   +1 more source

基于暂态地电压的开关柜局部放电仿真研究

, 2013
叶海峰, 钱勇, 满玉岩, 严玮, 魏菊芳, 盛戈皞, 江秀臣   +6 more
openalex   +1 more source