fractionation

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fractionation

[‚frak·shə′nā·shən]
(chemistry)
Separation of a mixture in successive stages, each stage removing from the mixture some proportion of one of the substances, as by differential solubility in water-solvent mixtures.
(nucleonics)
Alterations in the isotopic composition of substances found in nature or in radioactive weapon debris, which result from small differences in the physical and chemical properties of isotopes of an element.
References in periodicals archive ?
The extracts were fractionated into anthocyanin, neutral, polymeric and oligomeric fractions.
Those patients are not going to have an optimal result, even with the most aggressive of fractionated ablative lasers, as compared to the traditional laser resurfacing," he added.
We report 2 additional cases of NTM infection after treatment with fractionated C[O.
In the absence of a will, property typically passed to multiple heirs with undivided interests (tenancy in common), leading over time to highly fractionated ownership patterns.
A University of Georgia laboratory study, published in Glycobiology (August 2007), reported that fractionated pectin powder (FPP), made by Thorne, induced apoptosis (cell death) in androgen-responsive and androgen-independent prostate cancer cells in vitro.
Fractionated pectin powder caused a 40-fold increase in apoptosis, or programmed cell death, of androgen-responsive and androgen-insensitive human prostate cancer cells.
In parallel, it fits well with our strategy of utilizing fractionated co-products to develop value added solutions for the feed and food industry, which will help alleviate the food versus fuel concerns.
The raw natural gas liquids extracted by the facility are fractionated and then transported to markets via truck and rail car.
The reverse charge procedure deviates from a central pillar of the VAT system - fractionated payment.
3] the mice were intraperitoneally injected with hypericin, either in a single dose (5 mg/kg; 1 or 6 h before laser irradiation) or two fractionated doses (2.
The fractionated grain from the Ethanex process outperformed the theoretical yields calculated in the lab at Ethanol Technologies.
Sweet in taste they are, but like a lot of energy bars, this product contains fractionated palm kernel oil, commonly used in place of hydrogenated oils.