Results 151 to 158 of about 13,042 (158)

[Application and innovation of functional perforator flaps in reconstruction of tissue defects]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Wang X, Pan J.
europepmc   +1 more source

[Structural design and mechanical analysis of a "drum-shaped" balloon-expandable valve stent in expanded configuration]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Zhao Y, Hou Q, Zhou J, Chen S, Zhang H, Qiao A.   +5 more
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[Clinical characteristics and survival outcomes of patients with immunoglobulin A multiple myeloma in the bortezomib era: A single-center retrospective cohort study]. [PDF]

Zhonghua Xue Ye Xue Za Zhi
Gao F, Wang H, Zhou YL, Wang SX, Yu M, Li F.   +5 more
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[Bayesian network analysis of harsh parenting, experiential avoidance, and adolescent short video addiction risk]. [PDF]

Zhongguo Dang Dai Er Ke Za Zhi
Lyu LH, Jiang JJ, An XL, Guan CB, Yang H, Hao Y.   +5 more
europepmc   +1 more source

[A method for emotion transition recognition using cross-modal feature fusion and global perception]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Jie L, Zou Y, Li Z, Lyu B, Zheng W, Li M.   +5 more
europepmc   +1 more source

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配电网弧光接地故障暂态电压行波特性分析与故障定位

工程与技术创新
弧光接地故障属于配电网里较为常见的故障类型，由于其故障电流小且电弧不稳定，致使传统基于工频量的保护方法难以有效地检测与定位，本文围绕弧光接地故障产生的暂态电压行波信号展开研究，提出一种基于改进变分模态分解与Teager能量算子的高精度故障定位方法，结果显示，所提方法可有效克服电弧不稳定性带来的影响，在不同故障条件下定位误差均小于0.5%，有较高的准确性与可靠性，为配电网单相接地故障的精准处理提供了新的技术思路。该方法通过结合IVMD的自适应信号分解能力与TEO的瞬态特征增强特性 ...
张佳军
semanticscholar   +1 more source

基于电压偏置的配电网单相接地过电压保护研究Research on Single-Phase Grounding Overvoltage Protection of Power Distribution Network Based on the Voltage Bias

, 2019
杨海运, 邱国良, 贾志辉, 张志刚, 宫艳朝, 李玉国   +5 more
semanticscholar   +1 more source

6kV电缆单相接地故障排查策略及应急处置方案探究

电子通信与计算机科学
李　强
semanticscholar   +1 more source