Helium-3 (3He see also helion) is a light, stable isotope of helium with two protons and one neutron. (In contrast, the most common isotope, helium-4...
64 KB (7,234 words) - 01:52, 14 December 2024
Helium (from Greek: ἥλιος, romanized: helios, lit. 'sun') is a chemical element; it has symbol He and atomic number 2. It is a colorless, odorless, non-toxic...
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cooling of helium-4 (the more common isotope of helium), a 1-K pot liquefies a small amount of helium-3 in a small vessel called a helium-3 pot. Evaporative...
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Helium (2He) (standard atomic weight: 4.002602(2)) has nine known isotopes, but only helium-3 (3He) and helium-4 (4He) are stable. All radioisotopes are...
22 KB (2,430 words) - 07:21, 20 November 2024
the isotope of helium present: the common isotope helium-4 or the rare isotope helium-3. These are the only two stable isotopes of helium. See the table...
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Fusion rocket (redirect from Helium-3 propulsion)
aneutronic fusion). Helium-3 propulsion would use the fusion of helium-3 atoms as a power source. Helium-3, an isotope of helium with two protons and...
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Muse (band) (redirect from Helium 3 (record label))
Retrieved 22 April 2010. Billboard 3 October 2009. 3 October 2009. Retrieved 28 September 2014. "NME website". NME. UK. Retrieved 3 September 2010. "First Single...
93 KB (8,585 words) - 22:07, 30 November 2024
Helium-4 (4 He ) is a stable isotope of the element helium. It is by far the more abundant of the two naturally occurring isotopes of helium, making up...
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Tritium (redirect from Hydrogen-3)
an annualized rate of approximately 5.5% per year. Tritium decays into helium-3 by beta-minus decay as shown in this nuclear equation: releasing 18.6 keV...
66 KB (7,723 words) - 16:49, 4 December 2024
Helium-3 surface spin echo (HeSE) is an inelastic scattering technique in surface science that has been used to measure microscopic dynamics at well-defined...
9 KB (1,055 words) - 09:33, 4 August 2022
Fusion power (section Deuterium, helium-3)
half life of only ~12.3 years. Consequently, during the operation of envisioned fusion reactors, known as breeder reactors, helium cooled pebble beds (HCPBs)...
205 KB (22,056 words) - 06:51, 22 December 2024
Helium-3 nuclear magnetic resonance (3He-NMR) is an analytical technique used to identify helium-containing compounds. Because a helium atom, or even...
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Big Bang nucleosynthesis (redirect from Primordial helium abundance)
universe's helium (as isotope helium-4 (4He)), along with small fractions of the hydrogen isotope deuterium (2H or D), the helium isotope helium-3 (3He),...
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orbit the helium nucleus in the electron's place. This will happen in the case of approximately 3% of the antiprotons introduced to the helium gas. The...
10 KB (1,197 words) - 03:09, 26 August 2024
Superfluid helium-4 (helium II or He-II) is the superfluid form of helium-4, an isotope of the element helium. A superfluid is a state of matter in which...
41 KB (4,999 words) - 09:54, 5 November 2024
Superfluidity (category Liquid helium)
rotate indefinitely. Superfluidity occurs in two isotopes of helium (helium-3 and helium-4) when they are liquefied by cooling to cryogenic temperatures...
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Lunar resources (section Helium-3)
more theoretical lunar resource are potential fuels for nuclear fusion. Helium-3 has received particular media attention as its abundance in lunar regolith...
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Fermionic condensate (section Helium-3 superfluid)
electrons, such as helium-3 atoms. These speculations were confirmed in 1971, when experiments performed by D.D. Osheroff showed that helium-3 becomes a superfluid...
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helium Helium-3 Helium-4 Helium (band), American rock band Helium (Pram album), 1994 Helium (H3llb3nt album), 1998 Helium (Homeshake album) "Helium" (Sia...
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into helium-3. In the Sun, each helium-3 nucleus produced in these reactions exists for only about 400 years before it is converted into helium-4. Once...
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Helium dating (abbreviated (U–Th)/He dating) refers to a variety of He diffusion methods that utilize the mobility of radiogenic He atoms to determine...
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Isotope geochemistry (section Helium-3)
Radioactive decay of tritium produces the noble gas helium-3. Comparing the ratio of tritium to helium-3 (3H/3He) allows estimation of the age of recent ground...
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Moon (2009 film) (category Template film date with 3 release dates)
personal crisis as he nears the end of a three-year solitary stint mining helium-3 on the far side of the Moon. Kevin Spacey, Dominique McElligott, Kaya Scodelario...
40 KB (3,697 words) - 02:32, 22 December 2024
Homer Hickam (section Helium-3 Trilogy)
young-adult science-fiction thriller trilogy set on the moon, known as the Helium-3 series. It included the titles Crater, Crescent, and The Lunar Rescue Company...
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In the field of cryogenics, helium [He] is utilized for a variety of reasons. The combination of helium’s extremely low molecular weight and weak interatomic...
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Alpha particle (redirect from Helium nucleus)
protons and two neutrons bound together into a particle identical to a helium-4 nucleus. They are generally produced in the process of alpha decay but...
33 KB (4,184 words) - 23:47, 18 December 2024
Mt. Helium, formerly known as the Apex Theory, was an American rock band from Los Angeles, California, that was known for playing Mediterranean music mixed...
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A helium atom is an atom of the chemical element helium. Helium is composed of two electrons bound by the electromagnetic force to a nucleus containing...
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A helium flash is a very brief thermal runaway nuclear fusion of large quantities of helium into carbon through the triple-alpha process in the core of...
13 KB (1,676 words) - 23:39, 21 November 2024