| 561 |
Composition of ball load in a ball mill |
1989 |
| 562 |
Derviation a direct relation between enthalpy of ventilation air and its wet-bulb temperature to control mine environments |
1989 |
| 563 |
Effect and Behaviour of Alkalies in Blast Furnaces |
1989 |
| 564 |
Effect of air coolers distribution schemes upon climatic conditions in stope in Abu-Tartur mine |
1989 |
| 565 |
Effect of Other Elements all the Grain Refinement of AI by Ti or Ti and B. Part II: Effect of the Refractory Metals V, Mo, Zr and Ta |
1989 |
| 566 |
Effect of Other Elements on the Grain Refinement of Al by Ti or Ti and B. Part J: A Critical Review |
1989 |
| 567 |
Engineering geological assessment of area East of Sohag, Upper Egypt |
1989 |
| 568 |
Planning of rational ventilation system for Abu-Tartur Phosphate mine |
1989 |
| 569 |
Quantitative study of ventilation schemes to Improve air conditions in Abu-Tartur mine |
1989 |
| 570 |
Rational usage of desert coolers in new populised localities in Egypt |
1989 |
