Figure 1.
XRD patterns of CrOx, MnOx, and CrMnOx catalysts: (a) 300-1; (b) 300-5; (c) 300-10; (d) 400-1; (e) 400-10; (f) 450-1; (g) 650-1; (h) Mn-300; (i) Cr-300.
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