radiological half

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• Radiological weapon — A radiological weapon (or radiological dispersion device, RDD) is any weapon that is designed to spread radioactive material with the intent to kill, and cause disruption upon a city or nation. It is primarily known as a dirty bomb because it is… …   Wikipedia

• Half-life — This article is about the scientific and mathematical term. For other uses, see Half life (disambiguation). Number of half lives elapsed Fraction remaining Percentage remaining 0 1/1 100 1 1/2 50 2 …   Wikipedia

• Radiological Society of North America — The Radiological Society of North America, Inc. (RSNA) is a professional membership society committed to excellence in patient care through education and research. More than 41,000 medical imaging professionals are members of RSNA, including… …   Wikipedia

• environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… …   Universalium

• Operation Crossroads — Coordinates: 11°36′N 165°30′E / 11.6°N 165.5°E / 11.6; 165.5 …   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

• Depleted uranium — The DU penetrator of a 30 mm round[1] Depleted uranium (DU; also referred to in the past as Q metal, depletalloy, or D 38) is uranium with a lower content of the fissile isotope U 235 than natural uranium (natural uranium is about 99.27% uranium… …   Wikipedia

• Acute radiation syndrome — Classification and external resources A Japanese girl recovering from the effects of radiation sickness ICD 10 T …   Wikipedia

• United States Navy in Vieques, Puerto Rico — Vieques, Puerto Rico, from the Air The United States Navy used Vieques, Puerto Rico for naval training and testing from 1941 to May 1, 2003. Some current studies show drastic increases in health problems which may or may not be related to toxic… …   Wikipedia

• Fission product — Fission products are the atomic fragments left after a large nucleus fissions. Typically, a large nucleus like Uranium fissions by splitting into two smaller nuclei, along with a few neutrons and a large release of energy in the form of heat… …   Wikipedia

• Chemical warfare — For other uses, see Chemical warfare (disambiguation). This article forms part of the series Chemical agents Lethal agents Blood agents Cyanogen chloride (CK) …   Wikipedia