helium bath

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• Helĭum — Helĭum, gasförmiger Körper, findet sich in sehr großer Menge auf der Sonne und den weißen Fixsternen sowie in dem Meteoriten von Augusta County, auf der Erde in Euxenit, Äschynit, Cleveīt, Bröggerit, Uraninit, Yttrotantalit, Fergusonit, Samarskit …   Meyers Großes Konversations-Lexikon

• Cryostat — NASA s WISE infrared instrument is kept cold by a cryostat. The cryostat can be seen at the top of the spacecraft. A cryostat (from cryo meaning cold and stat meaning stationary) is a device used to maintain cold cryogenic temperatures. Low… …   Wikipedia

• Superconducting Radio Frequency — (SRF) science and technology involves the application of electrical superconductors to radio frequency devices. The ultra low electrical loss of the superconductor yields RF resonators with extremely high quality factors, or Q . For example, it… …   Wikipedia

• 1-K pot — A 1 K pot (i.e. 1 kelvin pot) is a cryogenic device used to attain temperatures down to approximately 1 kelvin.The 1 K pot is a small vessel in a cryogenic system that is filled with liquid helium. Usually it is a few cubic centimeters in size… …   Wikipedia

• Lambda point refrigerator — A lambda point refrigerator is a device used to cool liquid helium, typically around a superconducting magnet, from approximately 4.2 K to temperatures near the lambda point (approximately 2.17K), just above normal fluid helium (helium I) s… …   Wikipedia

• Dry dilution refrigerator — A dry dilution system A dry (or cryogen free) dilution refrigerator is a type of dilution refrigerator that does not require the use of any external cryogens, in particular liquid helium, to operate. In the traditional design of a dilution… …   Wikipedia

• adiabatic demagnetization — ▪ physics       process by which the removal of a magnetic field from certain materials serves to lower their temperature. This procedure, proposed by chemists Peter Debye (Debye, Peter) (1926) and William Francis Giauque (Giauque, William… …   Universalium

• Cryotron — For the gas filled tube, see Krytron. The cryotron is a switch that operates using superconductivity. The cryotron works on the principle that magnetic fields destroy superconductivity. This simple device consists of two superconducting wires ( e …   Wikipedia

• rise — vb 1 *spring, arise, originate, derive, flow, issue, emanate, proceed, stem Analogous words: *appear, emerge, loom Antonyms: abate (sense 3) Contrasted words: ebb, subside, wane (see ABATE) 2 Rise, arise, ascend, mount, soar, tower, rocket,… …   New Dictionary of Synonyms

• Uranus — This article is about the planet. For other uses, see Uranus (disambiguation). Uranus   …   Wikipedia

• Planet Uranus — Uranus   Uranus (Aufnahme durch Voyager 2, 1986) …   Deutsch Wikipedia