Research on the Ecological Protection of Coal Gangue Slope Based on a Polymer Curing Agent

Figure 3

SEM images: (a) no curing agent was sprayed; (b) spray curing agent (P/C = 0.6); (c) spray curing agent (P/C = 0.8); (d) spray curing agent (P/C = 1.0); (e) spray curing agent (P/C = 1.2); (f) spray curing agent (P/C = 1.4).

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(b)

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