Results 61 to 70 of about 594 (100)

基于拉力值的不同电压等级避雷线融冰进程、脱冰瞬间阈值识别研究

open access: yesDianci bileiqi
针对目前缺乏对避雷线融冰进程有效识别的现状,同时避雷线相对于其它相线更容易因覆冰发生断线的风险,因此本文利用覆冰期避雷线融冰过程实时拉力监测值,为克服不同型号、档距对拉力基准值的影响,综合考虑融冰过程中水平应力、垂直档距、垂直荷载变化特征,建立单位长度冰重计算模型,结合200条避雷线实际监测融冰拉力值为样本数据,分别研究110、220、500 kV避雷线融冰过程中单位长度冰重变化速率、脱冰瞬间冰重变化概率分布情况。研究表明:不同电压等级避雷线融冰过程单位长度冰重变化率阈值分别为-0.035、-0.049、
曾华荣   +4 more
doaj  

[FER-1 inhibits methylglyoxal-induced ferroptosis in mouse alveolar macrophages in vitro]. [PDF]

open access: yesNan Fang Yi Ke Da Xue Xue Bao
Zhang Q   +4 more
europepmc   +1 more source

[Analysis of current status and trends of disease burden of knee osteoarthritis in China, 1990-2023]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Liao J, Wu Q, Wu G, Guo B, Zhang J.
europepmc   +1 more source

[State-of-the-art in peripheral nerve injury diagnosis and therapy]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Sun J, Chen L.
europepmc   +1 more source

Home - About - Disclaimer - Privacy