dewar


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Related to dewar: Dewar flask

De·war

(dū'wăr),
James, English chemist, 1842-1923. See: Dewar flask.

dewar

[dyo̅o̅′ər]
a double chamber used to maintain the temperature of superconducting magnet coils near absolute zero. The outer chamber is filled with liquid nitrogen at a temperature of about -196° C (-321° F), and the inner chamber is filled with liquid helium at a temperature of -270° C (-454° F). A dewar is part of magnetic resonance imaging equipment.
References in periodicals archive ?
Donald Dewar appointed amateurs who were eager to use him in their pursuit of power.
It was stressed that although he is the most senior minister, this does not make him an unofficial political deputy to Mr Dewar.
It means Mr Dewar will miss a debate on Section 28 when MSPs discuss the first stage of the Ethical Standards in Public Life Bill which contains the plan to repeal the controversial clause.
Canavan, prevented from standing as a Labour candidate in the Holyrood elections, also attacked Dewar for owning shares in utilities privatised by the Tories.
Although later in life Dewar was famed for never taking a holiday, he wrote of the "very enjoyable" camping trip he had with school friends on Arran that summer.
Mum Marilyn, 53, wept as she told how Dewar had taken away her "little angel".
Prof Ross Harper, a friend of the Labour politician for more than 40 years, was "saddened" by claims that Mr Dewar advocated socialism while privately investing.
Yesterday it was revealed that Dewar signed his will on April 24 last year, the day before he was admitted to the Glasgow Royal Infirmary for an exploratory operation.
Chair of the South Lanarkshire Council Planning Committee, Councillor Graham Scott, welcomed Bacardi and John Dewar & Sons as a huge boost to the area and to South Lanarkshire as a whole.
A LEADING Lib Dem has launched a blistering attack on Donald Dewar, claiming he saw the new parly building as his own memorial.
THE LATE First Minister Donald Dewar is to be honoured by Glasgow University.