Перегляд Volume 13, Issue 1 по темі
Зараз показуються 65-77 з 77
| Тема |
|---|
| tailing dumps [1] |
| Taurus belt [1] |
| thermal destruction of coal [1] |
| thermal reaming [1] |
| thin section [1] |
| tower flow [1] |
| tracer gases [1] |
| underground coal mining [1] |
| ventilation flow [1] |
| waste heaps [1] |
| weathering [1] |
| X-ray diffraction [1] |
| XRF [1] |