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 Kelvin ['kɛlvɪn]   添加此单词到默认生词本
[化] 开(尔文)SI热力学温度单位; 符号K

[医] 开耳芬(电单位)




    kelvin
    [ noun ]
    1. the basic unit of thermodynamic temperature adopted under the Systeme International d'Unites

    2. <noun.quantity>
    3. British physicist who invented the Kelvin scale of temperature and pioneered undersea telegraphy (1824-1907)

    4. <noun.person>


    Kelvin \Kel"vin\ (k[e^]l"v[i^]n), n. [from Lord Kelvin, English
    physicist.]
    The SI unit of temperature, defined as being 1/273.16 of the
    triple point of water; abbreviated K. The melting point of
    water at 760 mm pressure is 273.15 Kelvins, and the boiling
    point 373.15 Kelvins. One degree Kelvin is equal to one
    degree Centigrade, and 9/5 degrees Fahrenheit.
    [PJC]

    1. But it's not as dauntingly cold as the four degrees Kelvin above absolute zero needed for older superconductors.
    2. "My friends are all different colors," he said. "People saw beneath the skin." In the runoff, students also elected the first black student body vice president _ Kelvin Covington, a senior marketing major from Charleston.
    3. Last month, researchers at the University of Houston and the University of Alabama in Huntsville said they had discovered some materials that are superconductors at temperatures as high as 93 degrees above absolute zero (93 degrees Kelvin).
    4. At the close of business Friday, 117,000 Nalcap shares had been tendered, Kelvin said.
    5. About a year ago, however, German and Japanese researchers discovered that at a temperature of around 20 degrees Kelvin, or minus 423 degrees Fahrenheit, the weak-link problem largely disappears in new superconductors containing the element bismuth.
    6. The US Navy has selected the MPCD as its standard display. Kelvin Hughes' river radar system uses a spiral scanned display on its cathode ray tube which gives much better resolution at the short distances where clear vision is vital to safe navigation.
    7. There is a motivational austerity at GEC. Mr Kelvin Bray, a senior executive at GEC-Alsthom who has worked for GEC since the 1960s, says: 'Lord Weinstock focuses upon what does not work rather than what works well.
    8. In 1965 he was at Bellerive Country Club, Missouri, covering Gary Player's play-off win over Kelvin Nagle to take the US Open.
    9. True, The Sun will pick up the tab for the first year and the initiative has all the hallmarks of yet another of Sun editor Kelvin Mackenzie's publicity stunts. Even so it would be wrong to ignore it completely.
    10. Kelvin is seeking to buy enough shares to hold a 50.1% interest in Montreal-based Nalcap, a natural resources concern formerly known as Javelin International Ltd.
    11. Nalcap said its board has authorized its legal advisers to commence "appropriate litigation" in Canada and the U.S. against Kelvin to stop it from continuing the offer for Nalcap's shares.
    12. As previously reported, Kelvin succeeded in obtaining a court order last month that halted Nalcap's annual meeting, pending a hearing scheduled for tomorrow.
    13. In Vancouver, a spokesman for Kelvin said the recommendation by Nalcap's board was "a normal blocking procedure" designed to keep Kelvin from gaining control of Nalcap.
    14. In Vancouver, a spokesman for Kelvin said the recommendation by Nalcap's board was "a normal blocking procedure" designed to keep Kelvin from gaining control of Nalcap.
    15. Trying to displace the the influence of the Mail on Sunday has proved more difficult. The vacancy at the Daily Star prompted speculation that Mr Kelvin MacKenzie might fill the chair.
    16. The move, it said, "will help balance expenses against lower-than-expected revenues." Kelvin Microwave rose 1/2 to 2 3/4.
    17. When Sun editor Kelvin MacKenzie learned about it, he sacked him. If only the BA board were as ruthless.
    18. Kelvin estimates it will need to buy 374,093 shares to ensure control of Nalcap, a Montreal natural resources company formerly known as Javelin International Ltd.
    19. The 100-degree Kelvin mark corresponds to about minus 280 degrees Fahrenheit.
    20. He also noted that the thallium compound showed zero resistance above 100 degrees on the Kelvin scale, giving a psychological boost for hopes of higher temperatures.
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