| 单词 | optical pyrometer |
| 释义 | > as lemmasoptical pyrometer optical pyrometer n. a device for measuring the temperature of an incandescent body by comparing its brightness with that of a heated filament in the instrument. ΘΚΠ the world > matter > properties of materials > temperature > measurement of temperature > [noun] > instrument > for very high temperatures pyrometer1791 fire measure1829 resistance pyrometer1868 optical pyrometer1901 1901 G. K. Burgess tr. H. Le Chatelier & O. L. Boudouard High-temp. Measurem. viii. 155 The optical pyrometer, by reason of the uncertainty of emissive powers.., cannot give as accurate results as other pyrometric methods. 1958 R. W. Bussard & R. D. DeLauer Nucl. Rocket Propulsion viii. 303 The optical pyrometer has been built around the frequency-response characteristics of the human eye. 2002 ASAP (Nexis) 1 May 26 External surface temperatures..were compared and correlated with optical pyrometer measurements. < as lemmas |
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