| 单词 | reversion spectroscope |
| 释义 | > as lemmasreversion spectroscope reversion spectroscope n. [after German Reversionsspectroskop (J. C. F. Zöllner 1869, in Astronomische Nachrichten 74 308; now Reversionsspektroskop)] now chiefly historical a spectroscope in which two spectra (one of which is optically reversed) are formed alongside each other, their alignment being used to determine the proportion of a particular substance within a mixture through comparison with the spectral alignment from the pure substance. ΚΠ 1869 A. M. Mayer tr. J. C. F. Zöllner in Jrnl. Franklin Inst. 58 407 The principal of the reversion of the spectra which forms the basis of the instrument and which determines me to give it the name of Reversion-Spectroscope may also be applied without the use of the Amici system of prisms. 1933 S. W. Cole Pract. Physiol. Chem. (ed. 9) x. 255 By measurements of the position of the α-band by means of Hartridge's reversion spectroscope, the percentage of CO can be determined. 2001 Brit. Jrnl. Hist. Sci. 34 446 The first instrument was his astro-photometer. The other two were a protuberance device and a reversion spectroscope. < as lemmas |
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