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heavy hydrogen bomb

См. также в других словарях:

  • hydrogen bomb — ☆ hydrogen bomb n. an extremely destructive nuclear bomb in which an initial atomic bomb explosion creates the necessary intense heat and pressure to start a nuclear fusion explosion of the heavy isotopes of hydrogen (deuterium and tritium); H… …   English World dictionary

  • hydrogen — /huy dreuh jeuhn/, n. a colorless, odorless, flammable gas that combines chemically with oxygen to form water: the lightest of the known elements. Symbol: H; at. wt.: 1.00797; at. no.: 1; density: 0.0899 g/l at 0°C and 760 mm pressure. [1785 95;… …   Universalium

  • thermonuclear bomb — ▪ fusion device also called  hydrogen bomb , or  H bomb   weapon whose enormous explosive power results from an uncontrolled, self sustaining chain reaction in which isotopes of hydrogen combine under extremely high temperatures to form helium in …   Universalium

  • Pressurised heavy water reactor — A pressurised heavy water reactor (PHWR) is a nuclear power reactor, commonly using unenriched natural uranium as its fuel, that uses heavy water (deuterium oxide D2O) as its coolant and moderator. The heavy water coolant is kept under pressure… …   Wikipedia

  • atomic bomb — 1. a bomb whose potency is derived from nuclear fission of atoms of fissionable material with the consequent conversion of part of their mass into energy. 2. a bomb whose explosive force comes from a chain reaction based on nuclear fission in U… …   Universalium

  • atomic bomb — noun Date: 1917 1. a bomb whose violent explosive power is due to the sudden release of energy resulting from the splitting of nuclei of a heavy chemical element (as plutonium or uranium) by neutrons in a very rapid chain reaction called also… …   New Collegiate Dictionary

  • Isotopes of hydrogen — Hydrogen (H) (Standard atomic mass: 1.00794(7) u) has three naturally occurring isotopes, denoted 1H, 2H, and 3H. Other, highly unstable nuclei (4H to 7H) have been synthesized in the laboratory but not observed in nature.Gurov YB, Aleshkin DV,… …   Wikipedia

  • Norwegian heavy water sabotage — Part of World War II The Vemork Hydroelectric Plant in 1935. The heavy water was …   Wikipedia

  • Dirty bomb — A dirty bomb is a speculative radiological weapon that combines radioactive material with conventional explosives. The purpose of the weapon is to contaminate the area around the explosion with radioactive material, hence the attribute dirty .… …   Wikipedia

  • Deuterium — Hydrogen 2 Full table General Name, symbol deuterium, 2H or D Neutrons 1 …   Wikipedia

  • nuclear weapon — an explosive device whose destructive potential derives from the release of energy that accompanies the splitting or combining of atomic nuclei. [1945 50] * * * or atomic weapon or thermonuclear weapon Bomb or other warhead that derives its force …   Universalium

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