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 deuter9's Profile |
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| Country: |  Poland |
| Last Login: | Aug 5, 2008 (512 days back) |
About Me |
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Deuterium, also called heavy hydrogen, is a stable isotope of hydrogen with a natural abundance in the oceans of Earth of approximately one atom in 6500 of hydrogen (~154 PPM). Deuterium thus accounts for approximately 0.015% (on a weight basis, 0.030%) of all naturally occurring hydrogen in the oceans on Earth (see VSMOW; the abundance changes slightly from one kind of natural water to another). Deuterium abundance on Jupiter is about 6 atoms in 10,000 (0.06% atom basis)[1]; these ratios presumably reflect the early solar nebula ratios, and those after the Big Bang. There is little deuterium in the interior of the Sun, since thermonuclear reactions destroy it. However, it continues to persist in the outer solar atmosphere at roughly the same concentration as in Jupiter. The nucleus of deuterium, called a deuteron, contains one proton and one neutron, whereas the far more common hydrogen nucleus contains no neutrons. The isotope name is formed from the Greek deuteros meaning "second", to denote the two particles comprising the nucleus.[2] Deuterium is frequently represented by the chemical symbol D. Since it is an isotope of hydrogen with mass number 2, it is also represented by 2H. IUPAC allows both D and 2H, although 2H is preferred.[3] The reason deuterium has a distinct chemical symbol may be its large mass difference with protium (1H); deuterium has a mass of 2.014 u, compared to the mean hydrogen atomic weight of 1.007947 u, and protium's mass of 1.007825 u. The isotope weight ratios within other chemical elements are largely insignificant in this regard, explaining the lack of unique isotope symbols elsewhere Deuterium occurs in trace amounts naturally as deuterium gas, written 2H2 or D2, but most natural occurrence in the universe is bonded with a typical 1H atom, a gas called hydrogen deuteride (HD or 1H2H).[4] The existence of deuterium on Earth, elsewhere in the solar system (as confirmed by planetary probes), and in the spectra of stars, is an important datum in cosmology. Stellar fusion destroys deuterium, and there are no known natural processes (for example, see the rare cluster decay), other than the Big Bang nucleosynthesis, which might have produced deuterium at anything close to the observed natural abundance of deuterium. This abundance seems to be a very similar fraction of hydrogen, wherever hydrogen is found. Thus, the existence of deuterium is one of the arguments in favor of the Big Bang theory over the steady state theory of the universe. The world's leading "producer" of deuterium (technically, merely enricher or concentrator of deuterium) was Canada, until 1997 when the last plant was shut down (see more in the heavy water article). Canada uses heavy water as a neutron moderator for the operation of the CANDU reactor design. India is now probably the world's largest concentrator of heavy water, also used in nuclear power reactors. |
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My Interests |
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Music:Member Since: 6/8/2007Band Website: deuter9.com Band Members: Influences: Sounds Like: Type of Label: Indie |
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My Background and Lifestyle |
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| Occupation: | Music Artist (House/Progrsv House/Experimental) |
My Blog |
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Debut album from Deuter9 |
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| Po wielu nie przespanych nocach, ujarzmianiu instrumentuff i burzy mozguf, koncepcji twoorczych na swiatlo dzienne wychodzi nasz debiutancki album. Mi uego odsluchu :) ... Posted by deuter9 on Wed, 30 Jan 2008 06:49:00 PST |
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My Friends |
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Insaneman / Iman, piotrgrymek, Imanrecords, Peace, Leama And Moor, KRAFTWERK, DJ Sasha, James Zabiela, QUEEP, Swordtail Records, Guy Gerber, eric borgo, Shlomi Aber, Shiloh, Glenn Morrison, james holden, Eelke Kleijn, Louis de Funès, Silk, Dave Clarke, ras dudu, robaer &. beatnut5, Dovey, Yvonne, PARIPHERIA*, Vaishiyas & Sync, DAVID REVERTE, Thor, electroclash.pl, S!te Records, Norbert, Lamar Maxh, MusicKey, Soultribe-Records, dj flash (freza & dj flash project), Repier / TELECHARGES MA TAPE GRATOS !!!!, Principles of Flight, Wolf Lust, Birante, We Know You Love It, D-tron, Rocha, Bartosz Brenes, Vevka, LENNY LENOkS, Daimonion, dr_octopush, josuah DESIR, Phonix, DIM CHRIS, YourEyesLie Clothing&Store, The Answer, SKOK W BOK, VINCE, Dmitry Donskoy, JOHNNYK, EleKTroMaTe In Detroit, MARGO, Luy hernan, Nacon Prest, MARC FLAQUE, Artento Divini, tonj acquaviva, Biotic, Osip, Lee Holman, Paulina Brzozowska
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deuter9's profile has been tagged with the following keywords. Click a tag to search for profiles with the same tags. outer solar atmosphere, hydrogen nucleus, deuterium gas, heavy hydrogen, stable isotope, planetary probes, solar nebula, weight ratios, natural abundance, natural occurrence, deuteros, chemical symbol, thermonuclear reactions, chemical elements, weight basis, mass number, deuteron, atomic weight, iupac, natural water |
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