请输入您要查询的英文单词:

 

单词 fluorine method
释义

> as lemmas

fluorine method
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.
extracted from fluorinen.
<
as lemmas
随便看

 

英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/12/25 9:32:08