Results 61 to 70 of about 700 (102)

提高输电线路耐雷水平的关键因素影响分析

Dianci bileiqi
输电线路是电力系统的重要组成部分，承载着由偏远能源基地向负荷中心输送电能的重任。输电线路的送电距离可达200 km以上，沿途地势地形、气候环境复杂多变，极易遭到雷击。如何提高输电线路的耐雷水平，降低雷击跳闸率是目前亟待解决的问题。本研究以330 kV同塔双回输电线路为例，分析了冲击接地电阻、耦合地线和避雷器配置方式等关键因素对输电线路耐雷水平的影响。研究结果有助于指导防雷方案设计，对提高输电线路的耐雷水平具有一定的参考价值。
张军强, 王选社, 盛飞, 高若楠, 于淑婷, 刘法亮, 贺博, 张浩   +7 more
doaj  

[Comprehensive instrumental analysis experiment: determination of gallium using inductively coupled plasma mass spectrometry]. [PDF]

Se Pu
Zheng HJ, Zhao YM, Wu XF, Xu H, Jia Q.
europepmc   +1 more source

[Research progress on flexible wearable sensors for health monitoring]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Chen X, Xu G.
europepmc   +1 more source

[Development and electrophysiological validation of a temporal interference transcranial magnetic stimulation system for mice]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Cui C, Wang T, Zhang Y, Zheng W, Xu G.
europepmc   +1 more source

[Research progress on elbow joint rehabilitation robots]. [PDF]

Zhejiang Da Xue Xue Bao Yi Xue Ban
Li M, Xu F, Wang D, Xu J.
europepmc   +1 more source

[Application of pectoralis major fascia in robotic nipple-sparing mastectomy with immediate breast reconstruction with gel implant]. [PDF]

Zhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi
Chen K, Lyu PW.
europepmc   +1 more source

[Synchronized neural rhythms in rat hippocampal CA1 region and orbitofrontal cortex are involved in learning and memory consolidation in spatial goal-directed tasks]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao
Tang L, Li J, Xu H.
europepmc   +1 more source

[Efficacy of precisely designed first dorsal metacarpal artery flap under the guidance of high-frequency color Doppler ultrasound in repairing small-sized skin and soft tissue defects in the thumb]. [PDF]

Zhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi
Fu JS, Liu Y, Wang H, Gao SH, Ma TP, Dong HS, Yu J, Yao J, Zhou T.   +8 more
europepmc   +1 more source

[Enhancement of radiomics-based machine learning models for predicting efficacy of high-intensity focused ultrasound ablation of uterine fibroids using undersampling methods]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao
Cui Y, Feng M, Yao L, Yan J, Li W, Huang Y.   +5 more
europepmc   +1 more source

[Advances in Nanozyme-Aptamer Systems for the Detection of Foodborne Pathogens]. [PDF]

Sichuan Da Xue Xue Bao Yi Xue Ban
Liang H, Jia S, Zhan Z, Cai Y, Niu X.
europepmc   +1 more source