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Physical and chemical processes of Abu Rusheid cataclastic rocks for recovering niobium, zirconium and uranium compounds 期刊论文
发表期刊: PHYSICOCHEMICAL PROBLEMS OF MINERAL PROCESSING. 出版年: 2021, 卷号: 57, 期号: 5, 页码: 137-152
作者:  Abdellah, Walid M.;  Khalafalla, Mahmoud S.;  Abu Khoziem, Hanaa A.;  El Hussaini, Omneya M.
收藏  |  浏览/下载:16/0  |  提交时间:2021/11/29
physical and chemical processes  cataclastic rocks  separation  niobium  zirconium  uranium  
Preparation of Pure Nb2O5 from Gabal El-Faliq Pegmatite, South Eastern Desert, Egypt 期刊论文
发表期刊: MINING METALLURGY & EXPLORATION. 出版年: 2019
作者:  Wahab, Galal M. Abdel;  Abdellah, Walid M.;  Yousif, Ahmed M.;  Mubark, Amal E.
收藏  |  浏览/下载:16/0  |  提交时间:2020/03/23
Alkaline fusion  Niobium  Solvent extraction  Aliquat 336S  
Pyrochlore and columbite-tantalite as indicator minerals for specialty metal deposits 期刊论文
发表期刊: GEOCHEMISTRY-EXPLORATION ENVIRONMENT ANALYSIS. 出版年: 2015, 卷号: 15, 期号: 2-3, 页码: 167-178
作者:  Mackay, D. A. R.;  Simandl, G. J.
收藏  |  浏览/下载:9/0  |  提交时间:2019/11/29
Indicator minerals  pyrochlore  columbite  tantalite  carbonatite  niobium  tantalum  specialty metals  
Tantalum-(niobium-tin) mineralisation in African pegmatites and rare metal granites: Constraints from Ta-Nb oxide mineralogy, geochemistry and U-Pb geochronology 期刊论文
发表期刊: ORE GEOLOGY REVIEWS. 出版年: 2015, 卷号: 64, 页码: 667-719
作者:  Melcher, Frank;  Graupner, Torsten;  Gaebler, Hans-Eike;  Sitnikova, Maria;  Henjes-Kunst, Friedhelm;  Oberthuer, Thomas;  Gerdes, Axel;  Dewaele, Stijn
收藏  |  浏览/下载:11/0  |  提交时间:2019/11/29
Tantalum  Tantalum-niobium oxide  Columbite-group minerals  Rare-element pegmatite  Rare-metal granite  Africa  Mineral chemistry  
Sulfuric acid leaching of Kab Amiri niobium-tantalum bearing minerals, Central Eastern Desert, Egypt 期刊论文
发表期刊: HYDROMETALLURGY. 出版年: 2002, 卷号: 64, 期号: 3, 页码: 219-229
作者:  El-Hussaini, OM;  Mahdy, MA
收藏  |  浏览/下载:6/0  |  提交时间:2019/11/28
leaching  sulfuric acid  refractory minerals  niobium-tantalum ores  
Determination of design allowable strength properties of elevated-temperature alloys. Part 1: Coated columbium alloys 科技报告
报告编号: NASA-CR-123745. 出版年: 1972
作者:  Favor, R. J.;  Maykuth, D. J.;  Bartlett, E. S.;  Mindlin, H.
收藏  |  浏览/下载:8/0  |  提交时间:2019/11/30
MATERIALS TESTS  NIOBIUM  SPACECRAFT CONSTRUCTION MATERIALS  MECHANICAL PROPERTIES  PHYSICAL PROPERTIES  TEMPERATURE EFFECTS