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The velocity values in biphasic medium versus frequencies for HAp and 7ZnHAp dispersions (solid phase: E = 2 Gpa, ν = 0.3, volumetric ratio in water 5%, R = 4.98 nm).
| HAp | 7ZnHAp | |
|---|---|---|
| F (Hz) | velocity (m/s) | velocity (m/s) |
| 3.7500 × 106 | 1454.0 | 1460.5 |
| 4.3750 × 106 | 1454.1 | 1460.5 |
| 5.0000 × 106 | 1454.1 | 1460.5 |
| 5.6250 × 106 | 1454.1 | 1460.5 |
| 6.2500 × 106 | 1454.1 | 1460.5 |
