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ряд актиноурана stresses
geophys.	actinouranium chain
nucl.phys., радиоакт.	4n + 3 series; uranium-actinium radioactive series; actinium family; actinium radioactive family; radioactive family of actinium; 4n + 3 family; uranium-actinium family; uranium-actinium radioactive family; radioactive family of uranium-actinium
phys.	actinouranium series; actinium-uranium series
tech.	uranium-actinium series
радиоакт.	actinium radioactive series