| 1. | Uranium is frequently enriched by sorption or chemical combination in shales, lignites and phosphorites . 铀经常为页岩,泥炭和磷块岩所吸附或化学结合态而富集。 |
| 2. | Phosphorite ; upwelling ; hot spot activity 磷块岩上升洋流热点活动 |
| 3. | The phosphorite and genesis of industrial p deposit in east yunnan 滇东磷块岩及工业磷矿床成因 |
| 4. | Double - reverse flotation process of phosphate rock that contains silica and calcia 某硅钙质磷块岩双反浮选工艺研究 |
| 5. | Test of leaching rare - earth elements from phosphate rock containing rare - earth elements 含稀土磷块岩稀土浸出探索性试验 |
| 6. | Characteristics and phosphogenesis of phosphorite of the sinian - cambrian , west yangtze area 寒武纪磷块岩岩石学特征及成因分析 |
| 7. | Characteristics and phosphogenesis of phosphorite of the sinian - cambrian , west yangtze area 上扬子地区震旦寒武纪磷块岩岩石学特征及成因分析 |
| 8. | Ree geochemistry of doushantuo phosphorites and paleoenvironmental changes in weng ' an area , south china 贵州瓮安陡山沱组磷块岩的稀土元素地球化学特征与沉积古环境 |
| 9. | Rees geochemistry of doushantuo phosphorites and modification during post sedimentary stages in weng ' an area , south china 贵州瓮安陡山沱组磷块岩稀土元素地球化学特征与沉积期后变化 |
| 10. | Cadmium is existed in phosphate rock as isomorphism and sorption state , while cadmium is existed in weathered phosphate rock chiefly as sorption state 镉在磷块岩中的赋存状态为类质同象和吸附态,在风化磷矿石中以吸附态为主。 |