FIGURE 4.
The micro-CT images of different groups. (A) Control group; (B) rGO2 group; (C) rGO4 group; (D) rGO6 group (Jeong-Woo et al., 2017). Open access, 2017, Jeong-Woo Kim.
The micro-CT images of different groups. (A) Control group; (B) rGO2 group; (C) rGO4 group; (D) rGO6 group (Jeong-Woo et al., 2017). Open access, 2017, Jeong-Woo Kim.