共 50 条
- [21] HIGH-GRADE MANGANESE DIOXIDE FROM LOW-GRADE ORES JOM-JOURNAL OF THE MINERALS METALS & MATERIALS SOCIETY, 1989, 41 (05): : 38 - 39
- [23] UNDERGROUND LEACHING OF URANIUM FROM LOW-GRADE IN SITU ORES SOVIET ATOMIC ENERGY, 1968, 24 (02): : 154 - +
- [24] BACTERIAL LEACHING OF COPPER FROM LOW-GRADE CHALCOPYRITE ORES JOURNAL OF THE INDIAN INSTITUTE OF SCIENCE, 1976, 58 (12): : 567 - 576