Self-reactive, in-situ generated PUA aerogels: Synergistic low-frequency noise attenuation via metamaterial-like structures and dynamically variation of acoustic impedance

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DOI:10.1016/j.cej.2025.168465
作者：Wanxing Zheng, Yufei Tang, Rui Yang, Zhangwen Xie, Yani Sun, Kang Zhao
文献类型：期刊论文
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Elsevier

Abstract：Effectively attenuating highly penetrative low-frequency noise (LFN, f  500 Hz) presents a significant challenge. Traditional acoustic insulation materials are circumscribed by the mass law,

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