CompSkills: A Multimedia Software Application that Provides Self-Directed Computer Training and Skill Assessment for Individuals with Mental Retardation
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2850 Serendipity Cirlce, Suite 202, Colorado Springs, CO, 80917
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AbstractNot Available High power motors and generators can be made very compact when run under cryogenic conditions. For further enhancements in power densities it is highly desirable to use High Temperature Superconductors with a greatly enhanced critical current densigy Jc at 3T at 77K, which would allow the use of liquid nitrogen as a coolant. Under these operating conditions the superconductor YBa2Cu30x (YBCO) can become the enabling material for these devices as it has excellent magnetic field retention of Jc at 77K. For high Jc-YBCO the superconductor needs to be bi-axially textured, achievable by epitaxial deposition of a buffer and YBCO layer on a bi-axially textured metal substrate. This substrate shoud be non-magnetic to reduce ac losses, and thin to obtain high engineering critical current densities Je and rduce conductor cost. This Project will produce long lengths of very thin, non-magnetic substrates with excellent control over substrate dimensions and texture quality. In the Phase I one meter lengths will be coated with an epitaxial buffer and MOD YBCO layer, aiming at a Je of 2500 A/cm2 at 77K, 3T. In the Phase II 25m of a more complex conductor will be produced, with an increased Je 10,000 A/ cm2 at 77K, 3T.
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