activated coal gangue powder的用法和样例：
- fine powder of activated coal gangue
- Replaced some cement clinker by flue dust activated coal gangue as admixture and tested its setting time and strength.
- The result shows that, the ultra fine coal gangue powder is not only a good reinforcing filler of NR but also has good property of dispersion.Coal gangue powder modified by ENR has bett...
- The results show that the pozzolanic activity of thermal activated coal gangue in the north of China is stronger than that in the south.