Fig. 6: Application performances of sandwiched FCNSs. | Nature Communications

Fig. 6: Application performances of sandwiched FCNSs.

From: Flexible ceramic nanofibrous sponges with hierarchically entangled graphene networks enable noise absorption

Fig. 6

a Comparison of NRC for the different noise reduction materials and the sandwiched FCNSs. Photographs showing the direct application of the commercial fiber felt and sandwiched FCNSs on the b white noise absorption, c automobile engine noise absorption at 3000 rpm, and d air compressor noise absorption at the high temperature of 250 °C. Error bars in b–d represent the standard deviations of three replicates.

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