英语词汇“nichols radiometer”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	nichols radiometer
释义	Nichols radiometer Nichols radiometer [′nik·əlz ‚rād·ē′äm·əd·ər] (engineering) An instrument, used to measure the pressure exerted by a beam of light, in which there are two small, silvered glass mirrors at the ends of a light rod that is suspended at the center from a fine quartz fiber within an evacuated enclosure. Nichols radiometer Nichols radiometer An obsolete device formerly used to semi-quantify radiation intensity by measuring the torsional effect of ionisation on quartz fibres.
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Nichols radiometer