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25 Cards in this Set
- Front
- Back
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Boiling Water Reactor (BWR)
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a nuclear reactor using water as coolant and moderator, steam being produced in the reactor itself.
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Breeder Reacting
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A nuclear reactor that is used to create fissionable material .
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Control Rod
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neutron-absorbing material, as boron or cadmium, in the shape of a rod or other configuration, that can be moved into or out of the core of a nuclear reactor to regulate the rate of fission.
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Electron
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A negativly charged particle.
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Half-life
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the time required for one half the atoms of a given amount of a radioactive substance to disintegrate.
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Isotope
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of two or more forms of a chemical element, having the same number of protons in the nucleus, or the same atomic number, but having different numbers of neutrons in the nucleus, or different atomic weights.
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Kyoto Protocol
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amendment to the United Nations international treaty on global warming in which participating nations commit to reducing their emissions of carbon dioxide, negotiated in Kyoto, Japan, in 1997.
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Neutron
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A neutral partical in the nucleus.
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Nuclear Fission
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the splitting of an atomic nucleus into approximately equal parts, either spontaneously or as a result of the impact of a particle usually with an associated release of energy.
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Nuclear Fusion
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a reaction in which two nuclei combine to form a nucleus with the release of energy.
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Nuclear Waste Fund
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Nuclear Waste Policy Act
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It established a national program for disposal of highly radioactive wastes, and resulted in the studying of Yucca Mountain as a possible site for long-term disposal of radioactive waste.
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Nucleus
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central part about which other parts are grouped or gathered; core: A few faithful friends formed the nucleus of the club.
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Plasma
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the liquid part of blood or lymph, as distinguished from the suspended elements.
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Plutonium 239 (pu-239)
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Plutonium-239 is the primary fissile isotope used for the production of nuclear weapons,.
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Pressurized Water Reactor
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nuclear reactor that uses water as a coolant and moderator; the steam produced can drive a steam turbine.
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Primary Loop
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Proliferation
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rapid and often excessive spread or increase: nuclear proliferation.
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Proton
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a positive particle.
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Radioactivity
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phenomenon, exhibited by and being a property of certain elements, of spontaneously emitting radiation resulting from changes in the nuclei of atoms of the element.
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Secondary Loop
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nuclear reactor is a device in which nuclear chain reactions are initiated, controlled, and sustained at a steady rate, as opposed to a nuclear bomb, in which the chain reaction occurs in a fraction of a second and is uncontrolled causing an explosion.
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Shipping Cask
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Spent nuclear fuel shipping casks are used to transport spent nuclear fuel used in nuclear power plants and research reactors to disposal sites such as the to-be-opened one at Yucca Mountain or the Nuclear reprocessing center at COGEMA La Hague site.
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Three Mile Island (TMI)
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an island in the Susquehanna River, near Middletown, Pennsylvania, SE of Harrisburg: scene of a near-disastrous accident at a nuclear plant in 1979 that raised the issue of nuclear-energy safety.
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Uranium 235 (U235)
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It is assigned the chemical symbol U. A uranium atom has 92 protons and 92.
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Uranium 238(U238)
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Uranium-238 (U-238), is the most common isotope of uranium found in nature. When hit by a neutron, it becomes uranium-239 (U-239), an unstable isotope which decays into neptunium-239 (Np-239),.
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