Results 71 to 80 of about 395 (118)

[Development of integrated equipment for automatic sampling and distillate collection]. [PDF]

open access: yesSe Pu
Zhou XY   +7 more
europepmc   +1 more source

风冷型晶闸管换流阀散热系统优化设计

open access: yesGaoya dianqi
风冷型晶闸管换流阀采用空气强迫对流冷却,对其中的晶闸管、阻尼电阻等发热部件进行散热。文中提出均匀风管送风方案,采用封闭管道的方式,避免气流因阀塔结构流失,同时通过控制出风口尺寸,实现各晶闸管级冷却风量的均衡分配。文中基于理论计算,提出满足本换流阀系统散热需求的风机风量、压强设计,并经软件仿真及试验验证,确保换流阀能够长期可靠运行。相关研究结果对于风冷型晶闸管换流阀散热系统设计具有一定指导意义。
乔武宁   +5 more
doaj  

[Modeling the noninvasive bi-level positive airway pressure ventilation therapy system and simulated application]. [PDF]

open access: yesSheng Wu Yi Xue Gong Cheng Xue Za Zhi, 2023
Yuan Y   +5 more
europepmc   +1 more source

[Determination of vitamin D3 content in cod liver oil using a column-switching technique]. [PDF]

open access: yesZhejiang Da Xue Xue Bao Yi Xue Ban
Qi L, Zhang L, Cheng Q, Yan L, Zhou M.
europepmc   +1 more source

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