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Yttrium barium copper oxide ( YBCO) is a family of crystalline chemical compounds that display high-temperature superconductivity; it includes the first material ever discovered to become superconducting above the boiling point of liquid nitrogen [77 K (−196.2 °C; −321.1 °F)] at about 93 K (−180.2 °C; −292.3 °F). [3]
Young British Artists. The Young British Artists, or YBAs [1] —also referred to as Brit artists and Britart —is a loose group of visual artists who first began to exhibit together in London in 1988. Many of the YBA artists graduated from the BA Fine Art course at Goldsmiths, in the late 1980s, whereas some from the group had trained at ...
The most famous ReBCO is yttrium barium copper oxide, YBa 2 Cu 3 O 7−x (or Y123), the first superconductor found with a critical temperature above the boiling point of liquid nitrogen. Its molar ratio is 1 to 2 to 3 for yttrium, barium, and copper and it has a unit cell consisting of subunits, which is the typical structure of perovskites .
FOR IMMEDIATE RELEASE: CONTACT: Wednesday, September 9, 2009 Susan Weinstock (202) 387-6121 Jack Gillis (202) 737-0766
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Sociologists use the concept of occupational prestige (also known as job prestige) to measure the relative social-class positions people may achieve by practicing a given occupation. Occupational prestige results from the consensual rating of a job - based on the belief of that job's worthiness. The term prestige itself refers to the admiration ...
The team was overjoyed by how well the ship fared when it finally took to the sea on March 2, said Robert B. Jackson, photographer and health and safety officer. “For the first time in 4,000 ...
Post-YBAs refers to British artists emerging in the 2000s after the Young British Artists . Post-YBA artists include Tim Noble and Sue Webster, [1] Carey Young, [2] Oliver Payne and Nick Relph, [3] David Thorpe, [4] Eva Rothschild, [5] Mike Nelson, [6] Darren Almond, [7] and Jeremy Deller. According to Matthew Higgs, Simon Starling 's winning ...