Results 81 to 90 of about 360 (109)

[Research on portable airway impedance monitoring device based on expiratory oscillation]. [PDF]

open access: yesSheng Wu Yi Xue Gong Cheng Xue Za Zhi
Kuang Y, Che B, Li X, Liu L, Deng L.
europepmc   +1 more source

高压避雷器ZnO阀片的周围介质对运行性能的影响

open access: yesDianci bileiqi, 1992
氧化锌阀片直接用于无间隙避雷器中,在不同气体环境中(例如局部放电产生的气体)的性能需进行讨论,例如其周围介质为空气及空气分解生成物.SF6气体及其分解生成物的性能.试验表明,慎重地选择绝缘套及阀片叠装结构,避雷器内部干燥、清洁,就不易产生局部放电.恰当地选择材料配方、涂层及生产过程控制 ...
doaj  

[Recent advances in the use of graphene for sample preparation]. [PDF]

open access: yesSe Pu, 2022
Feng J   +5 more
europepmc   +1 more source

[Guideline for the diagnosis and treatment of common neonatal diseases in primary healthcare institutions: neonatal resuscitation (2025)]. [PDF]

open access: yesZhongguo Dang Dai Er Ke Za Zhi
Subspecialty Group of Neonatology   +3 more
europepmc   +1 more source

The role of uncoupling protein 2 in experimental periodontitis-associated renal injury in rats. [PDF]

open access: yesHua Xi Kou Qiang Yi Xue Za Zhi
Li Q   +6 more
europepmc   +1 more source

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