Fig. 7From: High-Throughput Fabrication of Quality Nanofibers Using a Modified Free Surface ElectrospinningSEM images of PVA nanofibers prepared by MFSE at the different spinning time (a-1 5 min, a-2 10 min, a-3 15 min, a-4 20 min, a-5: 25 min). The right figures were the according diameter distributionBack to article page