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 superconducting [ˌsju:pəkən'dʌktiŋ添加此单词到默认生词本
a. 超导的, 超导电的

[计] 超导





    1. A physicist reported Wednesday the discovery of a new superconducting compound that he believes may work at minus 100 degrees Fahrenheit, potentially setting a new temperature record for superconductivity.
    2. Bell Labs researchers are, however, trying to fabricate various superconducting materials into experimental devices.
    3. Trials began in Kobe, Japan, of the world's first ship to use superconducting magnetic thrusters.
    4. The company, now jointly-owned by Oxford Instruments Group and Siemens, develops and manufactures whole-body superconducting magnet systems for magnetic resonance imaging scanners.
    5. Scientists are trying variations of the new superconducting materials.
    6. House Budget Committee negotiators have agreed to spend at least $200 million next year to begin building the superconducting super collider at a site south of Dallas.
    7. Thus, microscopic superconducting devices could be placed closer together on a chip, reducing the time it takes for electronic signals to travel from one device to another.
    8. Brian Schwartz, physics professor at Brooklyn College, said the Arkansas work is encouraging because it shows that substituting elements in superconducting materials may lead to higher temperatures.
    9. About 10,000 superconducting magnets will force two beams of protons in opposite directions around a 53-mile, racetrack-shaped tunnel.
    10. Commonwealth's rates also could put a crimp in Illinois's bid for the giant federal superconducting supercollider.
    11. The components have to withstand high pressures created by the powerful superconducting magnets.
    12. All the applications originally foreseen are still in prospect and the technology stands on the brink of commercial exploitation. Superconductivity has three important practical consequences: Current can flow for ever round a superconducting circuit.
    13. The higher the superconducting temperature is above that mark, for a material chilled by liquid nitrogen, the more electrical current the material can carry and the greater magnetic field it can withstand before losing its superconductivity.
    14. The House voted overwhelming approval Friday to a Department of Energy spending blueprint that includes $1.6 billion for the superconducting super collider, a massive high-energy physics project.
    15. The nation desperately needs highly trained scientists to tackle such challenges as the superconducting super collider, space stations, human genetic mapping and the AIDS epidemic, he says.
    16. The wire, one-eighth-inch in diameter, is based on a standard superconducting compound of yttrium, barium, copper and oxygen.
    17. Mueller and Bednorz pushed up the superconducting record to minus 238 degrees Celsius from minus 250 degrees.
    18. This office runs energy-conservation projects and has spent two years drawing up blueprints for an electricity generator that uses conventional superconducting coils.
    19. Mecham also was accused of pressuring a state panel to choose Craft as its lobbyist for Arizona's bid for the federal superconducting super collider.
    20. Several Japanese shipbuilders have joined forces to build ships that use superconducting magnets, instead of propellers, to propel the vessels.
    21. An 11 percent increase for National Science Foundation for its research programs and a 25 percent increase in Energy Department nuclear physics program, toward development of the superconducting super collider project.
    22. "We seem to be getting close to having samples that are stable long enough to separate out superconducting material that works near room temperature and identify its structure and composition."
    23. A superconducting material that works at room temperature holds the promise of major advances in the production and use of electricity, more powerful magnets and motors, more sensitive medical equipment and more powerful beams for smashing atoms.
    24. Arizona not only was the home of the Grand Canyon but was "the ideal site for the superconducting super collider."
    25. The repulsion produces the same kind of force used to propel superconducting trains on land.
    26. The collider will be a 54-mile tunnel, where protons will crash into each other at high speeds at the direction of superconducting magnets.
    27. But their unexpected properties upset some prior scientific assumptions about superconductivity and may speed the current, world-wide search for better, commercially useful superconducting materials.
    28. IBM, in an announcement over the weekend, said it achieved the latest breakthrough by fabricating "thin-film single crystals" of superconducting ceramic that are about one inch in diameter and one one-hundredth as thick as a human hair.
    29. Dealers said financial shares led the market Thursday, along with superconductor research issues, amid renewed interest spurred by reports of a major breakthrough in superconducting film by Sumitomo Electric.
    30. The refrigerator's key elements are superconducting electromagnets that produce powerful magnetic fields because they are wound with wires that conduct electricity without any loss of energy or production of heat.
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