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复杂土壤结构对HVDC系统单极大地运行的地电位分布影响

Gaoya dianqi
高压直流（HVDC）输电系统接地极引起的地电位和电场分布，受土壤分层结构的影响，而接地极选址面临复杂土壤结构的背景。因此研究土壤结构中各种因素对地电位和电场分布规律的影响，将有助于改善其分布情况。文中以研究格林函数的微分方程和电位行波的反折射传播方式为方法入口，得到分层土壤结构下存在的振荡衰减函数，提取出电荷积累效应矩阵用于表示积累电荷再分布的振荡衰减过程，获得电位分布在水平、垂直和复合土壤结构下对土壤层厚度S，反折射率k和电流源位置h的表现差异。得出反折射率是影响振荡衰减过程的主要和持续因素 ...
张俊, 曹晓斌, 金炜东, 张思渊, 张彼德, 张榆   +5 more
doaj  

[Graph convolution-based brain network analysis of visual mismatch negativity in adults with attention-deficit/hyperactivity disorder]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Zheng M, Dang C, Sun L, Zou L.
europepmc   +1 more source

[Comparative efficacy of island latissimus dorsi myocutaneous flap versus lower trapezius myocutaneous flap for repair of posterior neck skin and soft tissue defects]. [PDF]

Zhong Nan Da Xue Xue Bao Yi Xue Ban
Zhou S, Zhang Y, Zeng J, Guo L, Liang P, Zhang M, Zhou J, Tan W, Zhang P.   +8 more
europepmc   +1 more source

[Gait event-driven dynamic changes in brain-muscle networks and neuromuscular coordination mechanisms]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Liu X, Guo A, Liang T, Liu X, Qin L.
europepmc   +1 more source

[Expert consensus in Southwest China on the application of botulinum toxin type A in upper and mid-facial aesthetics]. [PDF]

Hua Xi Kou Qiang Yi Xue Za Zhi
Sichuan Provincial Medical Association Medical Aesthetics and Cosmetology Specialty Committee.
europepmc   +1 more source

[Localizing target for transcranial electrical stimulation in epilepsy patients combining scalp electroencephalogram and neural computational model]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Liu Y, Li C, Han Y.
europepmc   +1 more source

[Clinical diagnosis and condition monitoring of auditory neuropathy based on vestibular evoked myogenic potentials]. [PDF]

Lin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi
Wei H, Xu C.
europepmc   +1 more source

[Impact of optimizing the quality control system on newborn screening outcomes for congenital hypothyroidism]. [PDF]

Zhongguo Dang Dai Er Ke Za Zhi
Wang J, Qi ZY, Zhong QH, Jiang YH, Wang Q, Zhao XL, Duan J.   +6 more
europepmc   +1 more source

[Master manipulator of vascular intervention surgical robot based on haptic feedback]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Han G, Sun Z, Tang X.
europepmc   +1 more source

[Research progress on the neuromodulation targets in stroke rehabilitation]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Yang X, Wang L, Yang J, Zheng C, Ming D.
europepmc   +1 more source