Results 121 to 130 of about 11,026 (181)

少油断路器的新观念

open access: yesGaoya dianqi, 1960
该文主要是介绍法国最近试验的150千伏,800安,3500兆伏安少油断路器。它一相一个断点,利用压缩空气压油,这是它使用上的特征,其构造非常简单。 它的灭弧室内设置有几根压油管,开断时用压力油吹弧,使电弧强烈冷却而去游离化。下面有充氮气的贮气室,电动泵大约有80大气压的压力 ...
doaj  

[Perioperative management of a patient with Kennedy disease undergoing knee replacement: A case report]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Bai P, Zhang H, Wang J, Zhu H, Zeng H.
europepmc   +1 more source

关于高强度瓷套焙烧过程中几个问题的讨论

open access: yesDianci bileiqi, 1974
高强度瓷套是用以装配成空气断路器。瓷套分为灭弧室瓷套和支柱瓷套两种。其内孔尺寸均为100mm,壁厚40mm,瓷套的三分钟例行水压为100大气压,破坏水压不低于150大气压。
doaj  

[Simulation analysis of adaptability of large airborne negative pressure isolation cabin to aviation conditions]. [PDF]

open access: yesSheng Wu Yi Xue Gong Cheng Xue Za Zhi
Guo L   +7 more
europepmc   +1 more source

[Pneumothorax during pediatric laparoscopic high ligation of hernia sac: A case report]. [PDF]

open access: yesZhong Nan Da Xue Xue Bao Yi Xue Ban
Lin Y   +5 more
europepmc   +1 more source

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