Results 61 to 68 of about 208 (68)

装在SF6全封闭组合电器中的带合闸电阻的ELK型断路器

open access: yesGaoya dianqi, 1979
作者在介绍SF6全封闭组合电器中的带合闸电阻的ELK型断路器时,首先考虑的是合闸过电压问题以及降低合闸过电压倍数的措施。本文详述了产品系列,设计和操动方式并概要地介绍了试验情况。
doaj  

[Venous air embolism following removal of central venous catheters: A case report]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Wan L, Zhang Z, Ding J, Wang M.
europepmc   +1 more source

[Role of Piezo mechanosensitive ion channels in the osteoarticular system]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Chen G, Li Y, Zhang H, Xie H.
europepmc   +1 more source

[Expert consensus on the treatment of second-degree burn wounds (2024 edition)Ⅰ: pre-hospital first aid and non-surgical treatment]. [PDF]

open access: yesZhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi
Chinese Burn Association   +2 more
europepmc   +1 more source

氧化锌避雷器对变电站设备闪络几率的影响

open access: yesDianci bileiqi, 1989
随着ZnO避雷器的发展,人们对于用它取代断路器合闸电阻来限制过电压产生了兴趣.两者对于限制相对地过电压都有效,对于相间过电压以及相对地和相间绝缘闪络儿率的影响,本文作了模拟计算.计算了三种带电操作及一种快速自动重合闸的情况.计算分析表明,在同一绝缘水平下,对于相间绝缘,避雷器降低闪络几率的作用比合闸电阻差得多 ...
doaj  

[Chinese expert consensus on the diagnosis and treatment of acute graft-versus-host disease after hematopoietic stem cell transplantation (2024)]. [PDF]

open access: yesZhonghua Xue Ye Xue Za Zhi
Hematopoietic Stem Cell Application Group   +2 more
europepmc   +1 more source

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