Valter, A.A.; Dikiy, N.P.; Dovbnya, A.N.; Lyashko, Y.V.; Pisansky, A.I.; Storizhko, V.E.
(Вопросы атомной науки и техники, 2007)
The degree of radioactive nonequilibrium of ores was found to increase in the following order in accordance with the varying mineral content: relatively coarse-grained uraninite (UO₂<n<₂.₂₅) - coffinite (USiO₄), brannerite ...