[A signal sensing system for monitoring the movement of human respiratory muscle based on the thin-film varistor]. [PDF]
Sheng Wu Yi Xue Gong Cheng Xue Za ZhiYuan Y, Zhang Z, Xie L, Huang H, Liu W.
europepmc +1 more source
[Comparison of effectiveness between endoscopic and microscopic anterior cervical discectomy and fusion]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiHuang C +9 more
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[Research progress on the pathogenesis and clinical treatment of cirrhotic cardiomyopathy]. [PDF]
Zhonghua Gan Zang Bing Za ZhiWang KY, Liu L.
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[Progress and future prospects of robot-assisted total hip arthroplasty]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiCai L, Gui Y, Kong X, Chai W.
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[Dynamic stretching promotes osteogenic differentiation of human bone marrow mesenchymal stem cells in three-dimensional culture]. [PDF]
Beijing Da Xue Xue Bao Yi Xue BanBai X, Yuan Z, Zhou Y, Lv L.
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[Study on electrospun film-covered tracheal stents with adaptive release of anti-inflammatory drugs driven by the piezoelectric effect]. [PDF]
Sheng Wu Yi Xue Gong Cheng Xue Za ZhiWang Z +6 more
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Gaoya dianqi针对双主动桥DC-DC变换器（DAB）的模块化直流变压器，我公司在新型双有源DC-DC拓扑直流变压器进行设计应用，开展了适用于IGCT-Plus作为模组开关器件的直流变压器试验，实现不同电压等级的直流系统的互联，为不同直流负荷提供稳定的直流电压，试验中该直流变压器存在各支路电流长期不平衡流动，会严重影响直流变压器及整个电力系统的长期稳定运行。根据以往工程经验，通过加装均流磁环可对直流变压器低压侧各支路进行均流，均衡三条并联支路的输出特性，防止某一路长期电流应力过大，造成器件老化损坏 ...
韩迪 +5 more
doaj
[Development and electrophysiological validation of a temporal interference transcranial magnetic stimulation system for mice]. [PDF]
Sheng Wu Yi Xue Gong Cheng Xue Za ZhiCui C, Wang T, Zhang Y, Zheng W, Xu G.
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Gaoya dianqi换流变压器有载分接开关是实现换流变压器调压的核心部件，对保证电力系统电压稳定性起到重要的作用。随着柔性直流输电技术的发展，有载分接开关切换含有谐波分量的负载电流工况日益凸显，经常在多次谐波叠加的复杂工况下进行切换操作，因此切换的负载电流零点会有较大的电流变化率，其显著增加了分接开关的切换负荷，尤其对真空有载分接开关中的真空灭弧室转换电流能力提出了极大挑战。因此，文中针对换流变压器应用的真空有载分接开关的谐波电流切换能力的验证开展了相应的试验技术研究，并通过建立的谐波电流切换试验条件开展了性能验证 ...
张长虹 +5 more
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Gaoya dianqi换流变压器是高压直流输电的关键设备，在其长期运行过程中，换流变压器阀侧套管在涡流损耗的影响下会引起套管温升，发热问题是导致套管性能的下降的重要原因。换流变压器阀侧套管在生产、安装及运行过程中不可避免的存在有金属颗粒等缺陷，在热应力的作用下会引起纹裂的产生，研究缺陷条件下套管内部温度场的变化对于改善换流变压器阀侧套管设计工艺、提升其运行可靠性具有重要意义。文中依据换流变压器套管实际结构构建了套管温度场分布仿真计算模型，对不同谐波含量及谐波频率下的套管温升情况进行仿真研究 ...
高雨婷 +4 more
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