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attrition grinding goldfields 1

a before and b after 2 min of attrition grinding Figure 6. Model B of attrition surface grinding for a double-layered sample Fig. 6 shows a new 2D model, Model B, for describing the attrition grinding of double-decked particles, in which most of the substrate i.e., the blue-colored part is covered by the coat-layer i.e., the red-colored ...