Results 71 to 80 of about 7,869 (117)

[Research progress on the acquisition technology of magnetocardiography]. [PDF]

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

[Hollow copper sulfide nanocomposites combined with photothermal and photodynamic therapy inhibits malignant behaviors of esophageal cancer cells]. [PDF]

open access: yesNan Fang Yi Ke Da Xue Xue Bao
Yang P   +8 more
europepmc   +1 more source

频率对中压开关柜温升特性影响的试验与仿真研究

open access: yesGaoya dianqi
不同频率运行工况下,频率显著影响了中压开关柜的电磁场分布与温升特性,仅依据工频标准难以准确评估不同频率下的设备运行状态及载流能力。为探究频率变化对开关柜的电磁—热的影响规律并量化其载流能力,文中以KYN44-12(Z)开关柜为研究对象,搭建了基于交流—直流—交流的宽频域温升试验平台,建立了电磁—流体—温度场耦合模型。在此基础上,开展了16.7~60 Hz频率下的温升试验与仿真研究,验证了模型的准确性。研究发现,频率变化显著影响导体电流的趋肤效应与邻近效应强度,导电回路的电磁损耗与频率呈线性正相关 ...
王博   +7 more
doaj  

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