liquid helium


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Liquid helium

liquid helium

[′lik·wəd ′hē·lē·əm]
(cryogenics)
The state of helium which exists at atmospheric pressure at temperatures below -268.95°C (4.2 K), and for temperatures near absolute zero at pressures up to about 25 atmospheres (2.53 megapascals); has two phases, helium I and helium II.
References in periodicals archive ?
Tenders are invited for supply of conditioned liquid helium for the MRI 7T of the ENI service - Inserm UMS 006 - CREFRE.
It's not so outlandish to use a drop of liquid helium to model the entire universe, McClintock explains.
California [United States], November 1 ( ANI ): Not all iPhone users know that their precious device is allergic to the presence of helium and certainly not many would know that something as common as an MRI machine contains liquid helium that can cause an iPhone to stop working.
Liquid helium off-take agreements were signed in 2010 with Air Liquide of France, Iwatani Corp of Japan and Linde Gases (a unit of Germany's Linde Group) in the second half of 2010.
Hybrid Enterprises, the exclusive worldwide reseller of Lockheed Martin's Hybrid Airship, has collaborated with Helium One, an explorer, developer and producer of high value bulk liquid helium for the international market.
MR Solutions' innovation has eliminated the requirement for the expensive and cumbersome liquid helium jacket and quench provision with a revolutionary magnet design incorporating superconducting magnet coils, which are cooled by direct conduction by a readily available, off-the-shelf cryocooler fridge unit.
Industrial gas company Praxair (NYSE:PX) revealed on Tuesday the launch of a long-term agreement for the purchase of liquid helium from Polskie Gornictwo Naftowe i Gazownictwo SA (PGNiG) based in Central Europe for an undisclosed value.
November 2015: The new Helium 3 plant, which is expected to produce up to 0.4 billion standard cubic feet of liquid helium per annum, will be located in Qatar's Ras Laffan Industrial City and is expected to become operational in early 2018.
British based MR Solutions produced the world's first commercial, superconducting, preclinical, MRI scanner in 2013 that does not require the traditional liquid helium cooling jacket.
These systems have completely dry magnets with no requirement for liquid helium, have low running costs and no requirement for building modification works.
Because it's so cold, liquid helium is used to chill special magnets inside medical scanners.
TEHRAN (FNA)- An experiment at the Department of Energy's SLAC National Accelerator Laboratory revealed a well-organized 3D grid of quantum "tornadoes" inside microscopic droplets of super-cooled liquid helium -- the first time this formation has been seen at such a tiny scale.