Fig. 2From: Fabrication of CA/TPU Helical Nanofibers and its Mechanism AnalysisSEM images of CA single electrospinning experiments of x-axis: CA solution concentration, of y-axis: volume ratio of DMAc to acetone. The applied voltage is 15 kV, the working distance is 10 cm, and the flow rate is 0.15 ml/hBack to article page