Results 91 to 100 of about 5,056 (139)

[Development of a balloon sensor device for force-electrical coupling measurement of esophagus]. [PDF]

open access: yesSheng Wu Yi Xue Gong Cheng Xue Za Zhi
Ran P   +5 more
europepmc   +1 more source

[Research progress on the early warning of heart failure based on remote dynamic monitoring technology]. [PDF]

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

[State-of-the-art in peripheral nerve injury diagnosis and therapy]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Sun J, Chen L.
europepmc   +1 more source

大容量变压器夹件的电磁力及减振方法研究

open access: yesGaoya dianqi
高压大容量电力变压器内部存在较大的绕组漏磁,使变压器的金属结构件存在较大涡流,导致变压器内部产生大的电磁干扰。文中研究了变压器夹件涡流引起的电磁干扰机理。采用有限元方法计算了变压器夹件的磁感应强度、涡流和夹件所受的电磁力,分析了电磁力的分布特点。研究了夹件在电磁力作用下产生电磁振动和噪声的原理,根据夹件的筋结构建立了电磁振动的有限元模型,对夹件的振动位移、振动速度进行了计算,并对此振动产生的噪声进行了分析计算。针对夹件的两种不同磁屏蔽结构,通过对夹件电磁振动最小的固定位置研究,得到了夹件减振的最佳方法 ...
杨慧娜, 温珺, 丛浩熹
doaj  

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