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. 2016 Apr 1;9(4):264. doi: 10.3390/ma9040264

Figure 18.

Figure 18

The final appearance of large-scale columns after testing: (a) S80-0.0; (b) S80-0.75; (c) S120-0.0; (d) S120-1.0; (e) S170-0.0; (f) S170-1.5; (g) S340-0.0; (h) S340-1.5.