他说「同一种元素的原子有相同的重量(weight)，不同元素的原子有不同的重量。」因此atomic weight在中文里翻译成了「原子量」。但是当时由于重量和质量(mass)是相同的概念，因此虽然实际中获得的都是原子的相对质量，但仍然称作原子量。 20世纪初，物理学家采用质谱技术测量原子质量，使用了在物理学上比...
Relative isotopic mass,英文定义如下: The relative isotopic mass of an atom is the ratio of its atomic mass to the atomic mass of a reference isotope of the same element. It is used to account for the different masses of atoms that have different isotopes....
Relative Isotopic Mass- This is the ratio of the mass of a single atom to the mass of a unified atomic mass unit. This is synonymous with atomic mass. Standard Atomic Weight- This is the expected atomic weight or relative atomic mass of an element sample in the Earth's crust and atmosph...
J.A.: The prediction of relative abundance of isotopic clusters in mass spectrometry of coordination and organometallic compounds - Gorączko, Szymura - 1999 () Citation Context ...ch as M – H, M − H2,or M − (H2 + H), as can be theoretically predicted [1]. The intensities ...
Objectors to the name usually prefer the term relativeatomicmass (not to be confused with atomic mass). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The calculation is exemplified for silicon, whose relativeatomicmass is especially important in ...
Lamos, S.M., Shortreed, M.R., Frey, B.L., Belshaw, P.J., Smith, L.M.; Relative quantification of carboxylic acid metabolites by liquid chromatography-mass spectrometry using isotopic variants of chol- amine; Analytical Chemistry, (2007); 79: 5143-5149....
(Clark et al., 1978; Farrell and Clark, 1976; Peltier and Tushingham, 1989) governing how the global sea level changes through the melting of ice sheets and the solid Earth's time-dependent response to the ice and water mass redistribution, termed as the glacial isostatic adjustment (GIA)...
In IDMS, the amount of an element in the sample is deter- mined on the basis of additions of known amounts of the same element with different isotopic composition (called spike). By measuring the change in isotopic composition of the blend (sample-spike mixture) by mass spectrometry, the ...
The dominant climate-controlling system of the southwestern Gobi Desert and its surrounding areas in China at interannual to centennial time scale has not