Uranium is not easily obtained; and the technology of plutonium is extremely difficult.
Plutonium is obtained from uranium irradiated in nuclear reactors, consequently the production of plutonium depends on uranium resources.
Plutonium is obtained from uranium irradiated in nuclear reactors, consequently the production of plutonium depends on uranium resources.
Plutonium is obtained by the irradiation of uranium in nuclear reactors; the "burned" nuclear fuels are recycled to extract plutonium.
Plutonium is not related to uranium isotopes radioactive decay; plutonium is obtained by nuclear reactions from uranium isotopes only in nuclear reactors.
Uranium is a natural element extracted from ores. Plutonium is an artificial element obtained in a nuclear reactor by nuclear reactions from uranium 238.
In the nature uranium is found associated with uranium ores but in extremely ultratraces. Plutonium is obtained in industrial quantities, by nuclear reactions, in nuclear reactors.
Plutonium 239 is obtained in all reactors using uranium as nuclear fuel.
Plutonium obtained in nuclear reactors with uranium fuels after recycling of the burned fuels can be used also as a nuclear fuel.
Uranium is especially a byproduct of phosphate industry; but also a byproduct of gold, vanadium, shales mining.
Uranium-238 can be used efficiently in breeder reactors; plutonium is obtained and Pu is a fissile material in situ.
Uranium and plutonium can form alloys.
Plutonium and uranium can form alloys.