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Jul 6, 2021, 4:00 am259 ptsGreen Car Congress
Researchers at the University of Bath have developed a graphene oxide (GO)/polyvinyl alcohol (PVA) aerogel (GPA) weighing just 2.1 kg m-3—making it the lightest sound insulation ever manufactured. Over the 400–2500 Hz range, the reported average sound absorption coefficients are as high as 0.79, while the…
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