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Figure 3 | Journal of Mathematics in Industry

Figure 3

From: Acid polishing of lead glass

Figure 3

ψ n 1 (t) and ψ n 2 (t), n=0,,2, that is, the time evolution of the fraction of exposed surface of two species 1 and 2 in the first three layers of the crystal (n=0,1,2) with initial fractions f 1 =0.3, f 2 =0.7, and respective etching rates A 1 =1, A 2 =2.

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