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单词 Kelvin, Lord (1824–1907)
释义
Kelvin, Lord (1824–1907)

Physics
  • born in Belfast, who became professor of natural philosophy at Glasgow University in 1846. He carried out important experimental and theoretical work on electromagnetism, inventing the mirror galvanometer, contributing to the development of telegraphy, and pioneering theoretical work by expressing electricity and magnetism in terms of fields. He also worked with James Joule on the Joule–Thomson effect. His main theoretical work was in thermodynamics, in which he stressed the importance of the conservation of energy (see conservation law). He also introduced the concept of absolute zero and the Kelvin temperature scale based on it. In 1896 he was created Baron Kelvin of Largs.


Mathematics
  • William Thomson, who made contributions to mathematics in the theories of electricity and magnetism and hydrodynamics and first identified Stokes’ Theorem.


Astronomy
  • born in Ireland. He originated the thermodynamic temperature scale, and considered the consequences of energy dissipation in the Universe. Kelvin made one of the first scientific attempts at estimating the Earth’s age, based on known cooling rates of materials, although his result (20–400 million years) was far too low. He also calculated the solar constant.


Chemistry
  • who became professor of natural philosophy at Glasgow University in 1846. He carried out important experimental work on electromagnetism, inventing the mirror galvanometer and contributing to the development of telegraphy. He also worked with James Prescott Joule on the Joule–Thomson (or Joule–Kelvin) effect. His main theoretical work was in thermodynamics, in which he stressed the importance of the conservation of energy. He also introduced the concept of absolute zero and the Kelvin temperature scale based on it; the unit of thermodynamic temperature is named after him. In 1896 he was created Baron Kelvin of Largs.


Chemical Engineering
  • A Belfast-born Scottish scientist William Thomson, later 1st Baron Kelvin of Largs, who was the son of a gifted teacher. Both he and his brother James matriculated to Glasgow University aged 10 and 12, respectively. William Thomson was elected to the chair of natural philosophy at Glasgow in 1845 aged 22 and held the position for 53 years. His most important work was on thermodynamics, but he is most widely known for his studies of electricity applied to submarine technology. He was knighted in 1866 and made a baron in 1892.


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