Results 151 to 160 of about 20,406 (216)

Dual effects from in-situ polymerized gel electrolyte and boric acid for ultra-long cycle-life Li metal batteries

open access: yesScience China Materials, 2020
Yu Han   +8 more
semanticscholar   +1 more source

[Refined surgical protocol and clinical efficacy of total expansion auricular reconstruction surgery]. [PDF]

open access: yesZhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi
Hao DY, Song BQ, Dong LW, Cang ZZ.
europepmc   +1 more source

Si-Al-Sn合金熔体中块体硅定向生长行为研究

open access: yes, 2016
李亚琼   +4 more
semanticscholar   +1 more source

高土壤电阻率山区输电管廊接地特性研究

open access: yesDianci bileiqi
管廊输电在解决新能源外送难题中具有重要意义,其接地系统关系到设备安全运行。本研究使用CDEGS建模,系统分析了土壤电阻率、管廊长度及贯通地线与主结构钢筋的跨接距离对接地系统电气特性的影响。结果表明,土壤电阻率升高导致接地阻抗线性增加,在短管廊中增速更快;管廊长度增加可逐渐降低接地阻抗,但当管廊长度超过4 km后,降阻效果不再明显;缩短贯通地线与主结构钢筋的跨接距离能有效降低接地阻抗,其中100~125 m的跨接距离较适宜。综合对比管廊人工与盾构接地系统的电气特性,发现在高土壤电阻率长距离输电环境下 ...
范荣全   +5 more
doaj  

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