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As ball milling time increases, the median particle size decreases sharply in the first 10 min, then slowly decreases, finally remains unchanged after 30 min.The d 50 of bmcs0bmcs10 is higher than 50 m which is still at tissue scale, while the d 50 of bmcs203060120 reaches cellular scale with particle size less than 50 m 21 , 23.
We are a large-scale joint-stock enterprise integrating scientific research, production and sales.Our leading products have crushing equipment, sand making equipment, mobile crusher, etc., Each type of product is with complete specifications. All products have passed ISO9001, CE and GOST international quality system certification.