Results 51 to 60 of about 176 (101)

500kV变电站雷击保护的建模分析

open access: yesGaoya dianqi, 2008
笔者利用国际先进的图形化电磁暂态计算程序ATPDraw3.5进行500kV变电站雷击过电压的建模研究。在研究时将变电站和进线段结合起来,考虑雷击点的近雷区和远雷区、雷击杆塔绝缘子串冲击伏秒特性、线路上的感应过电压、工频过电压和进线段杆塔冲击接地电阻等因素的影响,从而对雷电侵入波系统进行建模分析。这为防护雷电过电压、保护电气设备提供了有价值的参考依据,为高压变电所雷击保护研究分析提供了有效的方法。
匡洪海, 肖伸平
doaj  

[Construction and biological characterization of a Proteus mirabilis strain with modABC gene deletion]. [PDF]

open access: yesNan Fang Yi Ke Da Xue Xue Bao, 2023
Huang Y   +4 more
europepmc   +1 more source

变电站连接高电压等级输电线路的雷电性能研究

open access: yesDianci bileiqi, 2015
以一个典型的巴楚220 kV开关站接入750 kV线路工程为例,采用EMTP程序计算了雷电侵入波过电压水平,确定了变电站避雷器配置方案,并选择了站内设备的绝缘水平。
万磊, 范冕, 王磊
doaj  

[Galectin-1 knockdown inhibits proliferation, migration, invasion and promotes apoptosis of lung adenocarcinoma cells in vitro]. [PDF]

open access: yesNan Fang Yi Ke Da Xue Xue Bao, 2022
Chen W   +6 more
europepmc   +1 more source

[Guidelines for the diagnosis and management of first relapsed multiple myeloma in China (2026)]. [PDF]

open access: yesZhonghua Xue Ye Xue Za Zhi
Plasma Cell Disease Group   +3 more
europepmc   +1 more source

[Primary hepatic neuroendocrine neoplasms: a case series analysis of 10 patients and literature review]. [PDF]

open access: yesZhejiang Da Xue Xue Bao Yi Xue Ban
Jiang Y   +5 more
europepmc   +1 more source

[The modified Valsalva maneuver in hypopharynx CT scan]. [PDF]

open access: yesLin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi, 2023
Liang X   +7 more
europepmc   +1 more source

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