共 50 条
- [11] QUANTITATIVE SEPARATION OF TRACE AMOUNTS OF RARE EARTHS IN THORIUM COMPOUNDS [J]. KOGYO KAGAKU ZASSHI, 1961, 64 (06): : 969 - &
- [13] THORIUM SEPARATION FROM RARE-EARTHS IN SOLUTIONS RESULTING FROM DECOMPOSITION OF MONOZITIC CONCENTRATES [J]. REVISTA DE CHIMIE, 1977, 28 (10): : 952 - 956