| 单词 | specific rotatory power |
| 释义 | > as lemmasspecific rotatory power specific rotatory power n. the angle through which the plane of polarization of light of a specified wavelength is rotated by passage through a column of an optically active substance of given length (usually 10 cm.) and at unit concentration. ΘΚΠ the world > matter > physics > electromagnetic radiation > light > polarization > [noun] > rotation specific rotatory power1876 circumpolarization1885 Faraday effect1889 specific rotation1899 1876 Jrnl. Chem. Soc. 1 667 It is proposed to substitute αD for the specific rotatory power obtained by means of the sodium ray. 1899 J. Walker Introd. Physical Chem. xiv. 139 The specific rotatory power is usually denoted by the symbol [α]. < as lemmas |
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