Results 111 to 120 of about 12,658 (157)

一起雷电传导引起的1 000 kV输电线路跳闸案例及对策

open access: yesDianci bileiqi
湖州市内发生的一起线路跳闸故障,为避免此类故障再次发生,分析故障发生的原因,提出防治对策。首先通过排查故障点周边情况判断出该故障为远处雷击故障,然后对分布式故障波以及扰动波形进行分析确定远处落雷导致了该故障发生,通过仿真对杆塔绕击耐雷水平进行分析,分析结果也支撑了本次跳闸与落雷的关联。为判断是否绝缘子性能下降导致故障发生,对绝缘子进行盐密试验、憎水性试验和剖检,实验结果证明绝缘子绝缘性能良好。因此推断故障发生的原因可能是小型异物搭挂使绝缘子绝缘性能下降。为避免此类故障再次发生,结合湖州当地情况提出建议。
张宸   +5 more
doaj  

[Establishment and application of key technologies for periodontal tissue regeneration based on microenvironment and stem cell regulation]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Ma B   +10 more
europepmc   +1 more source

[Application and research progress of metal-organic framework materials in skin repair]. [PDF]

open access: yesSheng Wu Yi Xue Gong Cheng Xue Za Zhi
Ma S, Wu W, Liu H, Liu M, Xing F.
europepmc   +1 more source

[Helicid alleviates depression-like behavior in rats with chronic unpredictable mild stress through the NCALD/sGC/cGMP/PKG axis]. [PDF]

open access: yesNan Fang Yi Ke Da Xue Xue Bao
DU X   +8 more
europepmc   +1 more source

[Guidelines for the diagnosis and treatment of common neonatal diseases in primary healthcare institutions: neonatal jaundice (2025)]. [PDF]

open access: yesZhongguo Dang Dai Er Ke Za Zhi
Subspecialty Group of Neonatology   +2 more
europepmc   +1 more source

自然災害リスク軽減型水・バイオマス循環システムの構築 [PDF]

open access: yes, 2011
Hayakawa, Kazuichi   +6 more
core   +1 more source

Home - About - Disclaimer - Privacy