(Strontium isotopes) may undergo a use.Logical formLearned from3 sentences. (Isotope techniques) can be environmental.Logical formLearned from3 sentences. An isotope can be with a half-life of some years.Logical formLearned from3 sentences. An isotope may occur.Logical formLearned from3 sentences. Some isotopes may emit (alpha particles).Logical formLearned from3 sentences. An isotope may be used in nuclear weapons.Logical formLearned from3 sentences. An isotope may be used for nuclear weapons.Logical formLearned from3 sentences. A (plutonium isotope) may be used for heaters.Logical formLearned from3 sentences. An (isotope detector) can be capable of identifying gamma.Logical formLearned from3 sentences. An isotope may undergo a solution.Logical formLearned from3 sentences. Sources may pertain-to an isotope.Logical formLearned from3 sentences. A (hydrogen isotope) can be in heavy water.Logical formLearned from3 sentences. Radioactive isotopes can be constituted-of-or-filled-with uranium.Logical formLearned from3 sentences. (Isotope ratios) may pertain-to a us-state.Logical formLearned from3 sentences. Isotopes may be studied.Logical formLearned from3 sentences.