| 单词 | fluorine test |
| 释义 | > as lemmasfluorine test C2. Designating a method of determining the relative age of organic remains by measuring the amount of fluorine that they have absorbed from surrounding groundwater, as fluorine dating, fluorine method, fluorine test, etc. ΚΠ 1895 Amer. Naturalist 29 306 The possibility of the determination of the relative antiquity of human bones found in prehistoric graves has set the chemists and prehistoric anthropolgists [sic] to an investigation of the fluorine test. 1949 K. P. Oakley & M. F. A. Montagu in Bull. Brit. Mus. (Nat. Hist.): Geol. 1 ii. 29 The authors..independently reached similar conclusions with regard to the probable dating of the [Galley Hill] skeleton and..prepared a joint report on their findings. One author (K.P.O.) has prepared the introductory sections, the account of the geology, and of the fluorine dating. 1959 J. D. Clark Prehist. Southern Afr. iv. 83 Fluorine and uranium tests have shown that the skull fragments are of the same age as the faunal remains found with them. 1968 R. G. West Pleistocene Geol. & Biol. ix. 160 The fluorine method is useful for the relative dating of animal skeletal remains found in sand and gravel. 2002 I. Sansom Truth about Babies 292 Pathologists sometimes use a method known as fluorine dating. < as lemmas |
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