Results 71 to 80 of about 111 (83)

基于实测和Matlab仿真波形比较的10 kV配电网单相接地故障暂稳态特征信息融合选线方法研究

Dianci bileiqi
10 kV配电网单相接地故障稳态选线方法受故障电阻、谐振接地电网补偿的影响较大，且信噪比较低；而暂态选线方法虽然信噪比较高，且受故障电阻、谐振接地电网补偿的影响较小，但具有依赖特征频带选取以及信号持续时间短，信号与暂态干扰信号产生混叠严重的特点。为了进一步提高选线成功率，本研究探索了一种融合暂稳态特征信息的选线方法，通过在Matlab仿真平台中搭建10 kV配电网系统的高精度pi模型网络，分析故障信号的暂稳态特征，在三相不平衡、支路开合闸等干扰条件下 ...
刘成英, 祁升龙, 芦翔, 王宏宇, 刘海涛, 李瑞祥, 杨兰均   +6 more
doaj  

[Short-term substitution of calcineurin inhibitors (CNI) with recombinant humanized anti-CD25 monoclonal antibody (Basiliximab) as aGVHD prophylaxis in CNI intolerant patients after allogeneic hematopoietic stem cell transplantation]. [PDF]

Zhonghua Xue Ye Xue Za Zhi
Shao S, Liu HX, Jiang Y, Li S, Wei DL, Zhu J, Wang C, Zhao CX.   +7 more
europepmc   +1 more source

Progress on functions of intracellular domain of trimeric ligand-gated ion channels. [PDF]

Zhejiang Da Xue Xue Bao Yi Xue Ban
Lu Y, Lin Y, Wang J.
europepmc   +1 more source

[Chinese consensus on autologous stem cell transplantation for adult acute leukemia (2024)]. [PDF]

Zhonghua Xue Ye Xue Za Zhi
Stem Cell Application Group, Chinese Society of Hematology, Chinese Medical Association.   +2 more
europepmc   +1 more source

[A correction method for calculating resistance of Westerhof 's resistor]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi, 2017
Yang Y, Zou Y.
europepmc   +1 more source

基于小波包能量分解与神经网络的断路器故障诊断研究

Gaoya dianqi
断路器在电网中肩负着控制和保护的重要任务，其结构复杂、零件繁多，容易产生潜伏性故障，加强对断路器操动机构系统潜伏性故障诊断研究，提前发现潜伏性故障，对提高断路器的运行可靠性具有重要意义。文中以ZN98型真空断路器为研究对象，搭建ZN98断路器振动加速度测试系统，以缓冲器紧固螺栓松动、挂板紧固螺栓松动、分闸线圈顶针冲程改变、合闸线圈复位弹簧失效、分闸弹簧老化、缓冲器失效、合闸弹簧固定螺栓紧死等潜伏性故障为例，基于小波包频带能量分解算法提取故障诊断特征量，并由神经网络算法进行故障识别。研究结果表明 ...
鄢呈旸, 王立军, 张闻哲, 张佳灏, 林婧   +4 more
doaj  

[Chinese expert consensus on the diagnosis and treatment of acute graft-versus-host disease after hematopoietic stem cell transplantation (2024)]. [PDF]

Zhonghua Xue Ye Xue Za Zhi
Hematopoietic Stem Cell Application Group, Chinese Society of Hematology, Chinese Medical Association.   +2 more
europepmc   +1 more source

[Prognostic analysis of plantar fasciitis treated by pneumatic ballistic extracorporeal shock wave versus ultrasound guided intervention]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao, 2018
Huo XL, Wang KT, Zhang XY, Yang YT, Cao FY, Yang J, Yuan WX, Mi WD.   +7 more
europepmc   +1 more source

[Clinical features and prognosis of 93 elderly patients with multiple myeloma]. [PDF]

Zhonghua Xue Ye Xue Za Zhi, 2017
Chen HM, Zhou F, Wei W, Peng R, Shi HT, Hou J.   +5 more
europepmc   +1 more source

[Rebound depolarization of substantia gelatinosa neurons and its modulatory mechanisms in rat spinal dorsal horn]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao, 2016
Li LC, Zhang DY, Peng SC, Wu J, Jiang CY, Liu T.   +5 more
europepmc   +1 more source