Comparison of FIG. 15 (a) and 16 (a) find an interesting phenomenon is the signal strength of nano-alumina mortar (5) during immersion in saline containing.
A comparison of Figures 15(a) and 16(a) reveals an interesting phenomenon in which the mortar containing nano-alumina is signalstrength during salt water immersion (5).
Comparing Figure 15 (a) with Figure 16 (a), it is found that an interesting phenomenon is the signal strength (5) of mortar containing nano alumina during saltwater immersion.<br>