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词汇 reaumur scale
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Reaumur scale. René-Antoine Ferchault de Réaumur (1683– 1757) invented the Réaumur thermometer and the thermal scale (0°–80°) on which it is based. Like the celsius scale it was considered by some to be an improvement on Fahrenheit’s invention 17 years earlier, in 1714. Réaumur has been called “the Pliny of the 18th century.” Both a physicist and naturalist, his versatility involved him in researches ranging from the ex- pansion of fluids and gases to an exhaustive study of insects. The fluid under glass in his thermometer, unlike Fahrenheit’s, was four-fifths alcohol and one-fifth water.
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更新时间:2024/11/11 6:04:07