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Fig. 7 | Progress in Earth and Planetary Science

Fig. 7

From: Laboratory experiments on agglomeration of particles in a granular stream

Fig. 7

Effect of surface roughness. The ratios of the measurement values of the adhesive force of the 100 μm glass beads obtained using a Petri dish and two optical glass plates having different surface roughnesses to the theoretical values plotted against the cumulative percentage. Solid line, dashed, and dotted lines correspond to the results of the Petri dish, smoother optical glass plate, and another optical glass plate, respectively. The numbers in parentheses show the roughness (Ra)

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