共 50 条
- [1] COATINGS FOR COLUMBIUM AND TANTALUM IN HIGH-TEMPERATURE APPLICATIONS MATERIALS PROTECTION AND PERFORMANCE, 1973, 12 (10): : 61 - 64
- [3] COLUMBIUM AND TANTALUM - STRATEGIC COMBINATION FOR IMPARTING STRENGTH AND STABILITY TO HIGH-TEMPERATURE METALS JOURNAL OF METALS, 1953, 5 (01): : 18 - 18
- [4] Ductile tantalum and columbium TRANSACTIONS OF THE AMERICAN INSTITUTE OF MINING AND METALLURGICAL ENGINEERS, 1938, 128 : 67 - 70
- [6] Recent developments in tantalum and columbium INDUSTRIAL AND ENGINEERING CHEMISTRY, 1938, 30 : 251 - 254
- [7] THE HALIDES OF NIOBIUM (COLUMBIUM) AND TANTALUM .3. THE VAPOUR PRESSURES OF NIOBIUM (COLUMBIUM) AND TANTALUM PENTAFLUORIDES JOURNAL OF THE CHEMICAL SOCIETY, 1951, (NOV): : 3051 - 3056
- [8] SPECTROGRAPHIC DETERMINATION OF TUNGSTEN, COLUMBIUM AND TANTALUM IN HIGH-TEMPERATURE ALLOYS BY THE POROUS-CUP METHOD SPECTROCHIMICA ACTA, 1960, 16 (05): : 605 - 605
- [9] Extraction of tantalum and columbium from their ores TRANSACTIONS OF THE AMERICAN INSTITUTE OF MINING AND METALLURGICAL ENGINEERS, 1931, 96 : 147 - 162