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- [21] PHOTOMETRIC DETERMINATION OF COLUMBIUM, TUNGSTEN, AND TANTALUM IN STAINLESS STEELSANALYTICAL CHEMISTRY, 1953, 25 (09) : 1340 - 1344IKENBERRY, LMARTIN, JLBOYER, WJ
- [22] COATINGS FOR COLUMBIUM AND TANTALUM IN HIGH-TEMPERATURE APPLICATIONSMATERIALS PROTECTION AND PERFORMANCE, 1973, 12 (10): : 61 - 64不详
- [23] SEPARATION OF TANTALUM AND COLUMBIUM BY LIQUID-LIQUID EXTRACTIONTRANSACTIONS OF THE METALLURGICAL SOCIETY OF AIME, 1969, 245 (09): : 1999 - &HUNTER, WL
- [24] Electrometric studies of the precipitation of columbium and tantalum and of molybdenum and tungstenJOURNAL OF PHYSICAL CHEMISTRY, 1930, 34 (08): : 1822 - 1825Peirce, DDYntema, LF
- [25] STRUCTURE OF DIBORIDES OF TITANIUM, ZIRCONIUM, COLUMBIUM, TANTALUM AND VANADIUMTRANSACTIONS OF THE AMERICAN INSTITUTE OF MINING AND METALLURGICAL ENGINEERS, 1949, 185 (10): : 749 - 751NORTON, JTBLUMENTHAL, HSINDEBAND, SJ
- [26] OXIDATION RESISTANT SILICIDE COATINGS FOR COLUMBIUM AND TANTALUM ALLOYSJOURNAL OF THE ELECTROCHEMICAL SOCIETY, 1960, 107 (08) : C188 - C188LORENZ, RMICHAEL, AB
- [27] THE OXYTRICHLORIDES AND OXYTRIBROMIDES OF NIOBIUM (COLUMBIUM)(V) AND TANTALUM(V)JOURNAL OF THE LESS-COMMON METALS, 1959, 1 (03): : 206 - 216FAIRBROTHER, FCOWLEY, AHSCOTT, N
- [28] THE INTERNAL FRICTION OF TANTALUM AND COLUMBIUM FOILS AT ULTRASONIC FREQUENCIESACTA METALLURGICA, 1953, 1 (02): : 193 - 201MARX, JWBAKER, GSSIVERTSEN, JM
- [29] STRUCTURE OF DIBORIDES OF TITANIUM, ZIRCONIUM, COLUMBIUM, TANTALUM, AND VANADIUMJOURNAL OF METALS, 1950, 2 (08): : 1060 - 1061KIESSLING, RNORTON, JT
- [30] RESISTANCE OF TANTALUM AND COLUMBIUM COATINGS TO PROPELLANT GAS EROSIONJOURNAL OF VACUUM SCIENCE & TECHNOLOGY A-VACUUM SURFACES AND FILMS, 1985, 3 (06): : 2545 - 2550GRABATIN, HSCHLETT, VSTUKE, HWEISS, H