plütonyum (simgesi pu)

listen to the pronunciation of plütonyum (simgesi pu)
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(Kimya) plutonium
The transuranic chemical element with atomic number 94 and symbol Pu
A heavy, radioactive, man-made metallic element with atomic number 94 and whose most important isotopes (fissile PU-239 and PU-241) are both produced by neutron irradiation of the uranium isotope U-238 Used for reactor fuel and in nuclear weapons
a heavy, radioactive, man-made, metallic element (atomic number 94) used in the production of nuclear energy and the explosion of nuclear weapons; its most important isotope is fissile plutonium-239, produced by neutron irradiation of uranium-238
{i} radioactive chemical element
An artificially produced element that is fissile and radioactive It is created when an atom of uranium-238 captures a slow neutron in its nucleus
A radioactive metallic element chemically similar to uranium
a solid silvery gray radioactive transuranic element whose atoms can be split when bombarded with neutrons; found in minute quantities in uranium ores but is usually synthesized in nuclear reactors; 13 isotopes are known with the most important being plutonium 239
A manmade fissile element Pure plutonium is a silvery metal that is heavier than lead Material rich in the Plutonium 239 isotope is preferred for manufacturing nuclear weapons, although any plutonium can be used Plutonium 239 has a half-life of 24,000 years
A transuranic element, formed in a nuclear reactor by neutron capture It has several isotopes, some of which are fissile and some of which undergo spontaneous fission, releasing neutrons Weapons-grade plutonium is produced in special reactors to give >90% Pu-239, reactor-grade plutonium contains about 30% non-fissile isotopes About one third of the energy in a light water reactor comes from the fission of Pu-239, and this is the main isotope of value recovered from reprocessing spent fuel
Plutonium is a radioactive element used especially in nuclear weapons and as a fuel in nuclear power stations. a radioactive metal that is used in the production of nuclear power, and in nuclear weapons. It is a chemical element : symbol Pu (Pluto). Radioactive (see radioactivity) metallic chemical element, chemical symbol Pu, atomic number
a radioactive metallic element produced from uranium during the operations of nuclear reactors; capable of fission
an element that is produced by bombarding uranium with neutrons The term plutonium is often used to mean the fissionable isotope, plutonium-239, which is produced in reactors and can be used as fuel for generating electricity It can also be used in weapons
A radioactive metallic element similar chemically to uranium that is formed as several isotopes (239-242) by decay of neptunium
A transuranic element produced when uranium is irradiated in a reactor It is used primarily in nuclear weapons and, along with uranium, in mixed-oxide (MOX) fuel Plutonium-239 is the most suitable isotope for use in nuclear weapons
An artificially produced radioactive element It is used in nuclear bombs
A man-made, heavy element which undergoes fission under the impact of neutrons It is a useful fuel in nuclear reactors Plutonium does not occur in nature, but can be produced and "burned" in reactors
A radioactive element with the atomic number 94 and an average atomic weight of 244 plutonium-239 - A fissile isotope occuring naturally in only minute quantities, which is manufactured artificially when uranium-238, through irradiation, captures an extra neutron It is one of the two materials that have been used for the core of nuclear weapons, the other being highly enriched uranium plutonium-240 - A fissile isotope produced in reactors when a plutonium-239 atom absorbs a neutron instead of fissioning Its presence complicates the construction of nuclear explosives because of its high rate of spontaneous fission
A heavy, radioactive, man-made metallic element Its most important isotope is fisionable Plutonium-239, produced by neutron irradiation of uranium-238 Plutonium-239 is used as fuel for power reactors or explosive for nuclear weapons
A member of the actinide series of transition elements, it is the most important transuranium element because of its use in certain types of nuclear reactors (see nuclear power) and in nuclear weapons. It is found in nature only in traces produced by natural neutron irradiation in uranium ores. It is produced artificially by neutron irradiation of uranium-238. Plutonium is a silvery metal that tarnishes in air; it is warm because of energy released in alpha decay. Its isotopes, all radioactive, are highly toxic radiological poisons (see radiation injury) because they give off alpha particles and are specifically absorbed by bone marrow
A heavy, fissionable, radioactive, metallic element (atomic number 94) Plutonium occurs in nature in trace amounts It can also be produced as a byproduct of the fission reaction in a uranium-fueled nuclear reactor and can be recovered for future use
plütonyum (simgesi pu)
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