英语词汇“relative abundance”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

a. Physics. The amount of an element present in the universe, the solar system, a star, etc.; the quantity of a particular isotope present in a sample of an element. Frequently in relative abundance.

ΘΚΠ

the world > relative properties > quantity > [noun] > total quantity

mountenance1615

amount1668

abundance1889

1889 Bull. Philos. Soc. Washington 11 131 (heading) The relative abundance of the chemical elements.

1916 Proc. National Acad. Sci. U.S.A. 2 224 So far as the abundance of the elements goes, the system seems to play out at the end of the first eighth group in the periodic system.

1922 F. W. Aston Isotopes ix. 111 In discussing the nuclear structure of elements the question of their relative abundance in nature is one of great interest.

1962 Nature 19 May 621/2 Although the masses of individual nuclides that constitute an element can be measured very accurately, their abundances in an element cannot be determined.

2003 K. R. Lang Cambr. Guide Solar Syst. i. 25 The wavelengths of these absorption lines can be used to identify the elements in the Sun, and the relative darkness of the lines helps establish the relative abundance of these elements.

单词	relative abundance
释义	> as lemmas relative abundance a. Physics. The amount of an element present in the universe, the solar system, a star, etc.; the quantity of a particular isotope present in a sample of an element. Frequently in relative abundance. ΘΚΠ the world > relative properties > quantity > [noun] > total quantity mountenance1615 amount1668 abundance1889 1889 Bull. Philos. Soc. Washington 11 131 (heading) The relative abundance of the chemical elements. 1916 Proc. National Acad. Sci. U.S.A. 2 224 So far as the abundance of the elements goes, the system seems to play out at the end of the first eighth group in the periodic system. 1922 F. W. Aston Isotopes ix. 111 In discussing the nuclear structure of elements the question of their relative abundance in nature is one of great interest. 1962 Nature 19 May 621/2 Although the masses of individual nuclides that constitute an element can be measured very accurately, their abundances in an element cannot be determined. 2003 K. R. Lang Cambr. Guide Solar Syst. i. 25 The wavelengths of these absorption lines can be used to identify the elements in the Sun, and the relative darkness of the lines helps establish the relative abundance of these elements. extracted from abundancen.adv. < as lemmas
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> as lemmas