Results 51 to 60 of about 97 (92)

[Quantitative analysis of breathing patterns based on wearable systems]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi, 2021
Wang J, Liang H, Wang Y, Wang W, Lan K, Cao L, Zhang Z, Li Y, Liu Z, Cao D.   +9 more
europepmc   +1 more source

基于场路耦合的磁开关优化设计方法研究

Gaoya dianqi
磁开关具有高重频、长寿命和高平均功率等优点，能够实现脉冲前沿的压缩，已广泛应用于脉冲功率系统。目前磁开关的设计是采用伏秒积分方程确定磁芯结构体积以及绕组的匝数，设计时的精度不高。通过测量铁基纳米晶磁芯的脉冲磁化特性，据此使用多物理场仿真软件Comsol建立了考虑磁芯饱和过程的磁开关场路耦合模型，通过100 kV级的高压脉冲压缩实验，验证了仿真模型的准确性与有效性。利用磁开关仿真模型分析了磁芯的饱和时间以及杂散参数对磁开关输出波形的影响，完成了磁芯饱和时间以及减小磁开关杂散参数的优化设计 ...
江进波, 赵鑫, 程廷强, 黄国良, 徐林, 陈锐   +5 more
doaj  

[Influence of the concrete and abstract graphs on N200 and P300 potentials]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi, 2020
Li M, Yang G.
europepmc   +1 more source

[Execution, assessment and improvement methods of motor imagery for brain-computer interface]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi, 2021
Tian G, Chen J, Ding P, Gong A, Wang F, Luo J, Dong Y, Zhao L, Dang C, Fu Y.   +9 more
europepmc   +1 more source

[Differential diagnosis of BPPV and CPPV and treatment of refractory BPPV]. [PDF]

Lin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi
Kong W, Chen T, Wang L, Yu D, Dai Q, Chen G, Wang J, Zeng X, Xing J, Lei Y, Sun H.   +10 more
europepmc   +1 more source

[Clinical Recommendations for Perioperative Immunotherapy-induced Adverse Events in Patients with Non-small Cell Lung Cancer]. [PDF]

Zhongguo Fei Ai Za Zhi, 2021
Ni J, Huang M, Zhang L, Wu N, Bai C, Chen L, Liang J, Liu Q, Wang J, Wu Y, Zhang F, Zhang S, Chen C, Chen J, Fang W, Gao S, Hu J, Jiang T, Li S, Li H, Liao Y, Liu Y, Liu D, Liu H, Liu J, Liu L, Wang M, Wang C, Yang F, Yang Y, Zhang L, Zhi X, Zhong W, Guan Y, Guo X, He C, Li S, Li Y, Liang N, Lu F, Lv C, Lv W, Si X, Tan F, Wang H, Wang J, Yan S, Yang H, Zhu H, Zhuang J, Zhuo M.   +50 more
europepmc   +1 more source

[Prefrontal dysfunction and mismatch negativity in adolescent depression: A multimodal fNIRS-ERP study]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Sun H, Zhang L, Li J, Li Z, Huang J, Zheng Z, Zou K.   +6 more
europepmc   +1 more source

[The application of perfusion technique in otoendoscope surgery]. [PDF]

Lin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi, 2021
Kong W.
europepmc   +1 more source

纳秒级方波脉冲对稳压二极管损伤特性的研究

Dianci bileiqi
针对强电磁脉冲产生的瞬态过电压会对二极管半导体造成损伤的问题，基于二极管击穿理论，采用理论与实验相结合的方法，使用纳秒级高压方波脉冲源作为电压脉冲源，选用BZX55C系列不同型号的稳压二极管进行了不同脉宽下的方波脉冲注入实验。实验结果表明：稳压二极管的损伤能量随稳压二极管的稳压值增大而增大，损伤形式表现为稳压值下降，漏电流增大，伏安特性曲线畸变；不同稳压值的二极管对方波脉冲的敏感端不同，当稳压值小于12 V时，负极比较敏感，当稳压值大于12 V时，正极比较敏感；二极管损伤能量并非是一个恒定值 ...
李祥超, 王兵
doaj  

[Establishment of an Epstein-Barr virus infection model using human nasal organoids]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao
Wei J, Zheng H, Zhao Y, Yu Y, Xu Y, Li G.   +5 more
europepmc   +1 more source