- deuterium-deuterium
- Engineering: D-D
Универсальный русско-английский словарь. Академик.ру. 2011.
deuterium-deuterium
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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
Deuterium — Deutérium Hydrogène 2 table General Nom, Symbole deutérium, 2H Neutrons 1 Protons 1 … Wikipédia en Français
DEUTÉRIUM ET TRITIUM — Le deutérium est l’isotope de masse 2 de l’hydrogène. Son symbole chimique, 21H, est souvent désigné par la lettre D. Le deutérium a été découvert en 1931 par Harold C. Urey et ses collaborateurs, qui observèrent dans le spectre optique de… … Encyclopédie Universelle
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
Deuterium-depleted water — (DDW), or light water ,[1] is water which has a lower concentration than naturally occurs of deuterium, a heavier isotope of hydrogen which has, in addition to its one proton, a neutron, roughly doubling its mass. In Vienna Standard Mean Ocean… … Wikipedia
Deuterium NMR — is NMR spectroscopy of deuterium (2D), an isotope of hydrogen. Deuterium is an isotope with spin = 1, unlike hydrogen which is spin = 1/2. Deuterium NMR has a range of chemical shift similar to proton NMR but with poor resolution. It may be used… … Wikipedia
deuterium — Symbol: D Atomic weight: 2 A hydrogen atom which has but one proton and neutron. Deuterium makes up about 0.015% of all natural hydrogen. Chemical properties are like that of normal hydrogen, though somewhat slower … Elements of periodic system
Deuterium — См. Дейтерий Термины атомной энергетики. Концерн Росэнергоатом, 2010 … Термины атомной энергетики
deuterium oxide — n HEAVY WATER * * * heavy water … Medical dictionary
deuterium — DEUTÉRIUM s.n. v. deuteriu. Trimis de LauraGellner, 13.09.2007. Sursa: DN … Dicționar Român
deuterium — 1933, coined by U.S. chemist Harold C. Urey, with Mod.L. ending, from Gk. deuterion, neut. of deuterios having second place. So called because it is twice the mass of hydrogen … Etymology dictionary
