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单词 bolometer
释义 bolometer|bəʊˈlɒmɪtə(r)|
[f. Gr. βολή beam of light + µέτρον measure.]
An electrical instrument of great sensitiveness for measuring radiant heat. Hence bolometric |bɒləʊˈmɛtrɪk|, a.
1881Nature XXV. 14 An instrument..capable of indicating a change of temperature as minute as 1-100,000th of a single Centigrade degree..is termed by its discoverer, Professor S. P. Langley, the bolometer, or actinic balance.1882Athenæum 2 Sept. 310/1 His ‘bolometer’, or radiation measurer—an instrument some twenty times more sensitive than the thermopile.1881C. A. Young Sun 306 Shown by the bolometric measures described above.
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更新时间:2024/12/22 13:54:21