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LIQUID HELIUM [2 records]
Record 1 - internal organization data 2003-02-07
Record 1, English
Record 1, Subject field(s)
- Chemistry
- Cryogenics
Record 1, Main entry term, English
- liquid helium
1, record 1, English, liquid%20helium
correct
Record 1, Abbreviations, English
- LHe 2, record 1, English, LHe
see observation
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
... liquid helium [is a] gas extracted from selected natural gas wells. ... [It is] used for: Studies of low temperature material properties. -Superconducting magnets. -Superconducting sensors (i.e. SQUIDS). 3, record 1, English, - liquid%20helium
Record number: 1, Textual support number: 2 CONT
The temperature of liquid helium is normally 4 K, that is, four degrees above absolute zero. 2, record 1, English, - liquid%20helium
Record number: 1, Textual support number: 3 CONT
Liquid helium exists below 4.2K and is used to cool superconductors below their transition temperatures. 4, record 1, English, - liquid%20helium
Record number: 1, Textual support number: 4 CONT
A remarkable transition occurs in the properties of liquid helium at the temperature 2.17 K, called the "lambda point" for helium. Part of the liquid becomes a "superfluid", a zero viscosity fluid which will move rapidly through any pore in the apparatus. 5, record 1, English, - liquid%20helium
Record number: 1, Textual support number: 1 OBS
LHe: The symbol for liquid helium. 2, record 1, English, - liquid%20helium
Record 1, French
Record 1, Domaine(s)
- Chimie
- Cryogénie
Record 1, Main entry term, French
- hélium liquide
1, record 1, French, h%C3%A9lium%20liquide
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
L'hélium liquide (-270 °C) est reçu directement liquéfié. Ce gaz a la température d'ébullition la plus basse. Son absence de viscosité à très basse température est remarquable. Il est très peu réactif : il est utilisé pour pressuriser les ergols liquides en haut des réservoirs et pour commander certaines vannes. 2, record 1, French, - h%C3%A9lium%20liquide
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 1985-07-17
Record 2, English
Record 2, Subject field(s)
- Biochemistry
Record 2, Main entry term, English
- liquid helium
1, record 2, English, liquid%20helium
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, French
Record 2, Domaine(s)
- Biochimie
Record 2, Main entry term, French
- hélium liquide 1, record 2, French, h%C3%A9lium%20liquide
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record 2, Spanish
Record 2, Textual support, Spanish
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