Table 1 Measurement results of each group (average ± standard deviation)
Groups | Day ages (day) | Weight (kg) | Maximum displacement (μm) | Group velocity (m/s) | Young’s modulus (kPa) |
|---|---|---|---|---|---|
N1 (n = 4) | 60 | 1.7 ± 0.20 | 19.26 ± 6.14 | 1.38 ± 0.2 | 5.82 ± 1.75 |
N2 (n = 2) | 90 | 2.25 ± 0.21 | 14.12 ± 5.88 | 2.06 ± 0.3 | 13.00 ± 4.01 |
N3 (n = 4) | 120 | 2.69 ± 0.21 | 14.02 ± 4.78 | 2.07 ± 0.29 | 13.03 ± 3.90 |
N4 (n = 3) | 150 | 2.82 ± 0.16 | 16.23 ± 6.80 | 2.30 ± 0.28 | 16.07 ± 4.05 |