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deuterium and tritium

См. также в других словарях:

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

  • tritium — /trit ee euhm, trish , trish euhm/, n. Chem. an isotope of hydrogen having an atomic weight of three. [1930 35; < NL < Gk trít(os) THIRD (tri TRI + tos adj. suffix) + NL ium IUM] * * * Isotope of hydrogen, chemical symbol written as 3H or T, with …   Universalium

  • deuterium — /dooh tear ee euhm, dyooh /, n. Chem. an isotope of hydrogen, having twice the mass of ordinary hydrogen; heavy hydrogen. Symbol: D; at. wt.: 2.01; at. no.: 1. [1933; < Gk deúter(os) second (see DEUTERO ) + IUM] * * * or heavy hydrogen Isotope of …   Universalium

  • Deuterium burning — is a nuclear fusion reaction that occurs in stars and some substellar objects, in which a deuterium nucleus and a proton combine to form a helium 3 nucleus. It occurs as the second stage of the proton–proton chain reaction, in which a deuterium… …   Wikipedia

  • Tritium — Infobox isotope background = #ffcccc text color = isotope name = Hydrogen 3 alternate names = tritium, triton mass number = 3 symbol = H num neutrons = 2 num protons = 1 abundance = trace halflife = 4500±8 days decay mode1 = Beta emission decay… …   Wikipedia

  • deuterium — SYN: hydrogen 2. [G. deuteros, second] d. oxide SYN: heavy water. * * * deu·te·ri·um d(y)ü tir ē əm n an isotope of hydrogen that has one proton and one neutron in its nucleus and that has twice the mass of ordinary hydrogen called also heavy… …   Medical dictionary

  • tritium — SYN: hydrogen 3. * * * tri·ti·um trit ē əm, trish ē n a radioactive isotope of hydrogen with atoms of three times the mass of ordinary light hydrogen atoms symbol T * * * trit·i·um (3H) (tritґe əm) [Gr. tritos third] the mass three isotope… …   Medical dictionary

  • Deuterium — Deutérium Hydrogène 2 table General Nom, Symbole deutérium, 2H Neutrons 1 Protons 1 …   Wikipédia en Français

  • deutérium — [ døterjɔm ] n. m. • 1934; de deutér(o) et ium ♦ Phys., chim. Élément atomique (D; no at. 1; m. at. 2), isotope stable de l hydrogène, appelé aussi hydrogène lourd, et dont le noyau (⇒ deuton) contient un proton et un neutron. Le deutérium,… …   Encyclopédie Universelle

  • List of fictional elements, materials, isotopes and atomic particles — This list contains chemical elements, materials, isotopes or (sub)atomic particle that exist primarily in works of fiction (usually fantasy or science fiction). No actual periodic elements end in ite , though many minerals have names with this… …   Wikipedia

  • Tritium — Pour les articles homonymes, voir Tritium Calcio 1908 . Tritium (Hydrogène 3) table Général Nom, Symbole tritium …   Wikipédia en Français

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