Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun Plural form of
fractionation .
Etymologies
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Examples
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While carrying out numerous fractionations and crystallizations, he determined the weight of radium and prepared a radium standard, which became the official substitute to the original in Paris.
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#86 John there are very significant isotopic fractionations associated with photosynthesis such that C3 plants are very depleted in 13-C compared to atmopsheric CO2.
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Modelling delta 18 O fractionations in atmospheric moisture will test the convergence of GCM predictions of the magnitude and spatial distribution of palaeoclimates with the evidence from the palaeoclimate record.
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Nitrogen and argon isotopes in the porous snow layer (~80m) experience two isotopic fractionations by gravitation and temperature gradients (DeltaT) between the top and bottom of the snow layer.
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The only remotely plausible routes to a prebiotic pool of pure _-D-nucleotides would involve a series of reactions catalyzed by minerals or metal ions, coupled with a series of subtle fractionations of nucleotide-like materials based on adsorption on minerals, selective complex formation, crystallization, etc.
Good Math, Bad Math, and David Berlinkski - The Panda's Thumb 2006
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The air used in these fractionations was allowed to evaporate in vacuum vessels, during the operations; but care was always taken to save the dregs, and collect them in
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With this I intended to repeat some fractionations which had appeared promising.
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