Results 71 to 80 of about 399 (118)

[Construction of the burn rehabilitation system]. [PDF]

open access: yesZhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi, 2023
Yu JA, Zhang XH.
europepmc   +1 more source

[Advances in application research on assessment methods of vocal fatigue]. [PDF]

open access: yesLin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi, 2023
Li M, Zeng J, Liang B.
europepmc   +1 more source

三调谐直流滤波器高压电容故障分析与保护

open access: yesGaoya dianqi, 2010
云—广特高压直流输电工程直流侧采用的三调谐滤波器只有一个处于高电位的电容器,该高压电容器承受几乎全部直流电压和大部分谐波电压降,导致容易在运行中发生电压击穿损坏。因此有必要对它的故障原因和故障特征进行深入分析和探讨。笔者讨论了直流高压电容器的内部结构和工作条件,接着分析了电容器单元故障时不平衡电流的大小和特征,并基于PSCAD/EMTDC工具建立详细的三调谐直流滤波器高压电容的模型,证明了其故障时不平衡电流大小与两桥臂电流之和成固定比例的关系,最后对高压电容器应配置的保护方式提出了建议。
朱革兰, 魏春枝, 王钢
doaj  

[Researches and clinical translation of smart dressings]. [PDF]

open access: yesZhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi
Lyu GZ, Zhao P.
europepmc   +1 more source

[Development of a high intensity focused ultrasound device for bio-samples preparation]. [PDF]

open access: yesSheng Wu Yi Xue Gong Cheng Xue Za Zhi
Lei Z, Pang X, Li L, Mei Q, Dong W.
europepmc   +1 more source

[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

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