Results 51 to 60 of about 5,334 (96)

[Wiskott-Aldrich syndrome with follicular lymphoma: a case report]. [PDF]

open access: yesZhonghua Xue Ye Xue Za Zhi
Zhang Y   +5 more
europepmc   +1 more source

[Research progress on the application of ultrasound technology in the diagnosis and treatment of lymphedema]. [PDF]

open access: yesZhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi
Tang ZY, Liu R, Deng CL.
europepmc   +1 more source

谐波激励下双层包封空心电抗器的振动噪声特性研究

open access: yesGaoya dianqi
广泛应用于高压换流站的干式空心电抗器承受频率含量丰富的谐波电流作用,产生严重的振动及噪声污染问题。干式空心电抗器通常为多层包封结构,文中以一台双层包封的电抗器为例,对其在不同谐波激励下的振动及噪声特性开展了研究,结合磁场力仿真和模态试验分析,明确了内外层包封之间的振动响应的关系,及整体声场的辐射特性。研究结果表明,空心电抗器在不同谐波电流激励下的振动分布受其模态特性主导,内外层包封的振动形态均呈现明显的波峰波谷分布,且与临近固有频率对应的模态振型相似;内外层包封在同一电流激励下的振动幅值和相位相近 ...
高璐   +5 more
doaj  

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