Results 121 to 130 of about 1,177 (166)

[Application of electrical impedance tomography in diagnosis and monitoring of pulmonary diseases]. [PDF]

open access: yesSheng Wu Yi Xue Gong Cheng Xue Za Zhi
Hu X   +6 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

动车组避雷器在线故障预警方法研究

open access: yesGaoya dianqi
动车组避雷器能够有效预防车内高压设备免受雷电大电流冲击,从而保护动车组安全稳定运行,然而避雷器的故障排查方法多依赖于传统的人工检修,不仅人工成本高,而且检修不及时,极易导致避雷器“带病”运行,造成动车组高压设备稳定运行存在安全隐患。针对避雷器内部受潮、阀片老化、表面污秽积累三种故障类型,本文使用阈值比较法判定避雷器的运行状态,同时针对阈值比较法在判定内部受潮和阀片老化两种主要的故障类型时,易受到网压不稳定和环境温度湿度影响从而导致误报率增加的情况 ...
朱文龙, 李强, 徐海龙
doaj  

[Expert consensus on the diagnosis, treatment, and prevention of neonatal dengue, chikungunya, and Zika virus infections (2025)]. [PDF]

open access: yesZhongguo Dang Dai Er Ke Za Zhi
Perinatal Group   +2 more
europepmc   +1 more source

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