Fig. 14

SEM graphs of samples treated by different processes. (I) Q1 + T1; (III) Q1 + D + T1; (IV) Q2 + T2 + T2; (VI) Q2 + D + T2 + T2.

SEM graphs of samples treated by different processes. (I) Q1 + T1; (III) Q1 + D + T1; (IV) Q2 + T2 + T2; (VI) Q2 + D + T2 + T2.