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风电机组混凝土桩基接地散流特性与结构优化研究

Dianci bileiqi
良好的接地装置是维持风电机组安全运行的关键，为研究风电机组混凝土桩基接地散流特性及降阻效率问题，本文利用COMSOL Multiphysics仿真软件搭建风电机组混凝土桩基模型，研究混凝土电阻率以及土壤条件对桩基散流特性、土壤击穿特性的影响，并提出柔性石墨复合接地材料外敷的结构优化措施。研究结果表明：桩基接地电阻随着混凝土（土壤）电阻率的增大而增大；相较混凝土电阻率，土壤电阻率对桩基散流特性的影响更明显；桩基周围土壤的火花击穿体积随混凝土（土壤）电阻率的增大而增大，而土壤电阻率对其影响更大 ...
姜城炜, 胡上茂, 胡元潮, 杨剑飞, 屈路, 刘刚   +5 more
doaj  

[Meta-analysis of the effects of PDL combined with fractional carbon dioxide laser in the treatment of hypertrophic scars in children]. [PDF]

Zhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi
Wu J, Zhang HM, Liu R, Zhang NX, Cui RT.
europepmc   +1 more source

[Risk factors of positive surgical margin and multifocal positive surgical margin after robot-assisted radical prostatectomy]. [PDF]

Beijing Da Xue Xue Bao Yi Xue Ban
Wang K, Chen X, Chen S, Tao Z, Shen Q, Zhang M, Zhang Z, Hao H, Yu W, Shen C, Li X.   +10 more
europepmc   +1 more source

[A multicenter study on the risk factors for in-hospital mortality in neonates with severe asphyxia at tertiary hospitals in Henan Province]. [PDF]

Zhongguo Dang Dai Er Ke Za Zhi
Pei WJ, Zhang YH, Li SJ, Zhou BS, Cao YQ, Wang BF, Liu Q, Wang ZS, Guo HX, Sun JW, Li L, Feng M, Wang XB, Zhu P, Tang CH, Kang L, Zhang SC, Guo XY, Shi L, Yan FL, Meng WL, Chen SP, Xu FL, Dong HF.   +23 more
europepmc   +1 more source

[Technical specification and consensus on routine oral health examinations for adults]. [PDF]

Hua Xi Kou Qiang Yi Xue Za Zhi
Health Promotion Professional Committee of China Association for Promotion of Health Science and Technology, Journal of Health Examination and Management Editorial Committee, Sichuan Preventive Medicine Association, Health Management Medicine Professional Committee of Sichuan Medical and Health Care Promotion Institute, Society of Preventive Dentistry, Sichuan Stomatological Association.   +5 more
europepmc   +1 more source

[Pediatric thunderstorm asthma in China: epidemiological characteristics and comprehensive management]. [PDF]

Zhongguo Dang Dai Er Ke Za Zhi
Han P, Shen KL.
europepmc   +1 more source

[Correlation between acute kidney injury diagnosed by serum creatinine and urine output criteria and short-term prognosis in critically ill patients following non-cardiac surgery]. [PDF]

Beijing Da Xue Xue Bao Yi Xue Ban
Xie F, Xie M, Zhou W, Li N, Li S.
europepmc   +1 more source

[Interpretation of 2025 American Academy of Orthopaedic Surgeons (AAOS) on Management of Acute Compartment Syndrome Evidence-Based Clinical Practice Guideline]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Ye Y, Lu B, Xiao C, Lan F, Li X, Zhang K.   +5 more
europepmc   +1 more source

[Recent advances in application of venous superdrainage in perforator flaps]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
He A, Ba L, Wei Z.
europepmc   +1 more source

[Artificial intelligence-enabled full-course diagnosis and treatment for patients with severe burns and wounds requiring repair: from risk prediction to causal inference]. [PDF]

Zhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi
Nie WZ, Xie KL.
europepmc   +1 more source