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Ball Mill Mm Pace Worldwide

The natural pumice and bovine hydroxyapatite powders were grounded and sieved separately to achieve a mean grain size of 100 mhe ha powder was then mixed with 5 and 10 wt of np powder, respectivelyhe samples will be further denominated as 5 wt npbha and 10 wt npbhaach mixture was then further grounded for 4 h in the ball mill.