Chapter 10
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Created by:
chanel1 Plus on February 5, 2011
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21 terms
Terms | Definitions |
|---|---|
 absorbed dose | the amount of energy absorbed by matter, measured in greys or rads |
| alpha radiation | a type of radiation consisting of a particle with two neutrons and two protons |
| beta radiation | a type of radiation consisting of electrons released from the nuclei of many fissonable items |
| boiling-water reactor | a type of light water reactor in which steam is formed directly in the reactor and is used to generate electricity |
| decommisioning | decontaominating and dissassembling a nuclear power plant and safely disposing of the radioactive materials |
| dose equivalent | the absorbed dose times a quality factor |
| fissionable | the property of the nucleus of some atoms that allows them to split into smaller particles |
| gamma radiation | a type of electomagnetic radiation that comes from disintegrating atomic nuclei |
| gas cooled reactor | a type of nuclear reactor that uses graphite as a moderator and carbon dioxide or helium as a coolant |
| heavy water reactor | a type if nuclear reactor that uses the hydrogen isotope deuterium in the molecular structure of coolant water |
| ionizing radiation | radiation that can dislodge electrons from atoms to form ions |
| moderator | material that absorbs the energy from neutrons released by fission |
| nuclear breeder reactor | nuclear fission reactor designed to produce radioactive fuel from nonradioactive uranium and at the same time release energy to use in the generation of electricity |
| nuclear fusion | the decomposition of an atom's nucleus with the release of particles and energy |
| nuclear reactor | a device that permits a controlled nuclear fission chain reaction |
| plutonium 239 | a radioactive isotope produced in a breeder reactor and used as a nuclear fuel |
| pressurized water reactor | a type of light water reactor in which the water in the reactor is kept at high pressure and steam is formed in a secondary loop |
| radiation | energy that travels through space in the form of waves or particles |
| radioactive | describes unstable nuclei that release particles and energy as as they disintegrate |
| radioactive half-life | the time it takes for half of the radioactive material to spontaneously decompose |
| thermal pollution | waste heat that industries release into the environment |
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