Figure 10.
FE-SEM images of PVP/TiO2 nanofibers with different fluid velocities before (a) 0.1 mL/h, (b) 0.5 mL/h, (c) 1.0 mL/h and after heat treatment (d) 0.1 mL/h, (e) 0.5 mL/h, (f) 1.0 mL/h.
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