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plutonium radiation

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  • Plutonium — (pronEng|pluːˈtoʊniəm, symbol Pu, atomic number 94) is a rare radioactive, metallic chemical element. The most significant isotope of plutonium is 239Pu, with a half life of 24,100 years; this isotope is fissile and is used in most modern nuclear …   Wikipedia

  • Plutonium in the environment — is an article which is part of the actinides in the environment series. Almost all plutonium present in the environment is due to human activity because the majority of plutonium isotopes are shortlived on a geological timescale.… …   Wikipedia

  • Radiation therapy — Radiation (medicine) redirects here. It is not to be confused with Radiation (pain) or Radiology. Radiation therapy Intervention ICD 10 PCS D ICD 9 CM …   Wikipedia

  • Radiation hormesis — (also called Radiation homeostasis) is the hypothesis that chronic low doses of ionizing radiation are beneficial, stimulating repair mechanisms that protect against disease.Cite journal doi = 10.1038/421691a issn = 0028 0836 volume = 421 issue …   Wikipedia

  • Radiation poisoning — Radiation poisoning, also called radiation sickness or a creeping dose , is a form of damage to organ tissue due to excessive exposure to ionizing radiation. The term is generally used to refer to acute problems caused by a large dosage of… …   Wikipedia

  • Plutonium(VI)-fluorid — Strukturformel Kristallsystem orthorhombisch Rau …   Deutsch Wikipedia

  • Plutonium-239 — Infobox isotope alternate names = symbol =Pu mass number =239 mass = num neutrons =145 num protons =94 abundance = halflife = 24,110 years error halflife = background = #FF6 text color = decay product =Uranium 235 decay symbol =U decay mass =235… …   Wikipedia

  • radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… …   Universalium

  • Plutonium — Eigenschaften …   Deutsch Wikipedia

  • plutonium — /plooh toh nee euhm/, n. Chem., Physics. a transuranic element with a fissile isotope of mass number 239 (plutonium 239) that can be produced from non fissile uranium 238, as in a breeder reactor. Symbol: Pu; at. no.: 94. [1940 45; < Gk Ploúton… …   Universalium

  • Radiation Ionisante — Rayonnement ionisant En irradiation externe, le rayonnement alpha (constitué de noyaux d hélium) est simplement arrêté par une feuille de papier. Le rayonnement bêta (constitué d électrons ou de positrons) est arrêté par une plaque d aluminium.… …   Wikipédia en Français

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