- They decided to make Pingdingshan a large coal base.
- Heilongjiang province is the coal base with important country, pneumoconiosis is the tall hair occupational disease that perplexes worker of a gleam of from beginning to end.
- In conclusion,it pointed out that coal based SNG is more competitive and ha...
- The DRC coal base direct reduction ironmaking technology from Davy International Engineering Co. will be adopted by the DRC Direct Reduction Ironmaking Plant at Tianjin Steel Tube Co The DRI will be produced in rotary kiln using ore,coal and lime.
- A coal based activated carbon with higher adsorptivity is produced in the laboratory by using Yangquan anthracite.
- In the production process of activated carbon, the trace element of coal affects the quality of coal based activated carbon directly.