solid cryogen
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Helium-3 — This article is about the elemental isotope. For the record label Helium 3, see Muse or A E Records .infobox isotope background = #F99 isotope name = Helium 3 alternate names =Helium 3,He 3 symbol =He mass number =3 mass =3.016 num neutrons =1… … Wikipedia
Magnetic resonance imaging — MRI redirects here. For other meanings of MRI or Mri, see MRI (disambiguation). Magnetic resonance imaging Intervention Sagittal MR image of the knee ICD 10 PCS B?3?ZZZ … Wikipedia
Hydrogen — This article is about the chemistry of hydrogen. For the physics of atomic hydrogen, see Hydrogen atom. For other meanings, see Hydrogen (disambiguation). ← hydrogen → helium … Wikipedia
Wide Field Infrared Explorer — Infobox Spacecraft Name = Wide Field Infrared Explorer Caption = Organization = NASA Major Contractors = Mission Type = Surveyor Flyby Of = Satellite Of = Earth Orbital Insertion Date = Launch = 1999 Launch Vehicle = Pegasus rocket Decay =… … Wikipedia
Cold trap — For the atmospheric phenomenon, see Cold trap (astronomy). Cold trap immersed in cold medium in Dewar flask. Some workers prefer the opposite arrangement, where vapors flow down the wall of the trap, and are sucked up the inner tube; this reduces … Wikipedia
Metal foam — Foamed aluminium A metal foam is a cellular structure consisting of a solid metal, frequently aluminium, containing a large volume fraction of gas filled pores. The pores can be sealed (closed cell foam), or they can form an interconnected… … Wikipedia
Nitrogen — carbon ← nitrogen → oxygen ↑ N ↓ P … Wikipedia
Liquid helium — Helium exists in liquid form only at very low temperatures. The boiling point and critical point depend on the isotope of the helium; see the table below for values. The density of liquid helium at its boiling point and 1 atm is approximately… … Wikipedia
Liquid rocket propellants — The highest specific impulse chemical rockets use liquid propellants. This type of propellent has a long history going back to the first rockets and is still in use in for example the Space Shuttle and Ariane 5. History Early developmentOn March… … Wikipedia
Wide-field Infrared Survey Explorer — (WISE) WISE prior to its mission into orbit … Wikipedia
SERF — A spin exchange relaxation free (SERF) magnetometer achieves very high magnetic field sensitivity by monitoring a high density vapor of alkali metal atoms precessing in a near zero magnetic field.cite journal author=Allred, J. C., Lyman, R. N.,… … Wikipedia
