Investigation of the effects of coal seam slope and top coal drawn height on top coal recovery ratio in longwall top coal caving method applied in steep inclined thick coal seams
| Autor: | Arif Çelik, Yılmaz Özçelik |
|---|---|
| Rok vydání: | 2022 |
| Předmět: | |
| Zdroj: | Arabian Journal of Geosciences. 15 |
| ISSN: | 1866-7538 1866-7511 |
| DOI: | 10.1007/s12517-022-09466-9 |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|
Full text from SpringerLink