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Figure 8a shows that, ha powder irregular shape, uneven surface, irregular porous structure

Figure 8a shows that HA powder shape irregular, uneven surface, rendering of irregular porous structure

As seen in Figure 8a, the HA powder shape is irregular, the surface is uneven, presents the irregular vesicular structure

It can be seen from figure 8A, HA powder irregularly shaped surfaces, surface, rendering does not rule in porous structure

Figure 8a shows that HA powder shape irregular, uneven surface, rendering of irregular porous structure