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. 2019 May 2;11(5):788. doi: 10.3390/polym11050788

Figure 8.

Figure 8

The fluctuant signals of the angle between the z-axis and the resultant velocity in the y–z plane at the (y, z) positions of (a) (2 mm, 6 mm), (b) (5 mm, 6 mm), (c) (10 mm, 6 mm), (d) (20 mm, 6 mm).