共 50 条
- [1] NONDESTRUCTIVE DETERMINATION OF RARE-EARTHS AND THORIUM IN RARE-EARTH CONCENTRATES BY NEUTRON-ACTIVATION ANALYSIS AND HIGH-RESOLUTION GAMMA SPECTROMETRY JOURNAL OF THE SOUTH AFRICAN CHEMICAL INSTITUTE, 1975, 28 (01): : 61 - 70
- [2] DETERMINATION OF RARE-EARTH ELEMENTS IN PHOSPHORITES BY NEUTRON-ACTIVATION ANALYSIS JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY-ARTICLES, 1989, 129 (02): : 327 - 334
- [3] DETERMINATION OF RARE-EARTH ELEMENTS IN MINERAL RAW-MATERIALS AND RARE-EARTH INDUSTRY PRODUCTS BY NEUTRON-ACTIVATION ANALYSIS JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY-ARTICLES, 1991, 151 (02): : 397 - 407
- [4] DETERMINATION OF THE RARE-EARTH ELEMENTS BY INSTRUMENTAL NEUTRON-ACTIVATION MONATSHEFTE FUR CHEMIE, 1980, 111 (03): : 681 - 691
- [5] DETERMINATION OF SOME RARE-EARTH ELEMENTS IN ROCKS BY NEUTRON-ACTIVATION ANALYSIS RADIOCHEMICAL AND RADIOANALYTICAL LETTERS, 1977, 31 (4-5): : 265 - 276
- [6] DETERMINATION OF RARE-EARTH ELEMENTS IN STEELS BY RADIOCHEMICAL NEUTRON-ACTIVATION ANALYSIS JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY-ARTICLES, 1992, 160 (02): : 529 - 538
- [7] OPTIMUM METHOD FOR THE DETERMINATION OF RARE-EARTH ELEMENTS BY NEUTRON-ACTIVATION ANALYSIS JOURNAL OF RADIOANALYTICAL CHEMISTRY, 1979, 48 (1-2): : 135 - 145
- [8] DETERMINATION OF RARE-EARTH ELEMENTS IN BAUXITES BY INSTRUMENTAL NEUTRON-ACTIVATION ANALYSIS JOURNAL OF RADIOANALYTICAL CHEMISTRY, 1983, 78 (01): : 105 - 115
- [9] Desulfation of rare-earth concentrates Russian Journal of Applied Chemistry, 2006, 79 (04): : 534 - 538