1 Subjects: “...grain boundary sliding...”

2 Subjects: “...grain refinement...”

3 Subjects: “...abrasive grains...”

4 Subjects: “...grain growth...”

5 Subjects: “...grain growth...”

6 Subjects: “...grain water mill...”

7 “... as storage facilities for grain to the final backfilling process. The study demonstrates that the “central...”

8 “... as storage facilities for grain to the final backfilling process. The study demonstrates that the "central...”