- Technological process suitable for coal based city gas should be chosen accord ing to the quality of coal and the scale of the factory and the coproduction of chemical products.
- They decided to make Pingdingshan a large coal base.
- In conclusion,it pointed out that coal based SNG is more competitive and ha...
- A coal based activated carbon with higher adsorptivity is produced in the laboratory by using Yangquan anthracite.
- The cost of living in the Russian capital is nearly 35 percent higher than in New York, which served as the base city for the survey released Monday.
- In the production process of activated carbon, the trace element of coal affects the quality of coal based activated carbon directly.