- retardation factor
- сокр. Rfфактор удерживания
Англо-український і українсько-англійський словник з аналітичної хімії. — Севастополь: «Вебер». В.В. Рафалюк, О.М. Ловягін . 2002.
retardation factor
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Retardation factor — In chromatography, a retardation factor (Rf) (also known as retention factor) describes the ratio of time spent in the stationary phase relative to time spent in the mobile phase. It can be mathematically described by the following ratio: R f =… … Wikipedia
retardation factor — The ratio of the average linear velocity of ground water to the velocity of the retarded constituent at C/Co=0.5 [22] … Lexicon of Cave and Karst Terminology
retardation factor — (RF) The ratio of the distance traveled by the solute spot’s center divided by the distance traveled by the solvent front, both measured from the origin … Forensic science glossary
Retardation — may have different meanings: * Mental retardation * Negative acceleration in mechanics (i.e. rate of decrease of velocity) * Retardation Factor, in the Advection/Dispersion transport equation (ADE) * Retarded potential in electrodynamics … Wikipedia
Factor de crecimiento insulínico tipo 1 — (somatomedina C) HUGO 5464 … Wikipedia Español
gel retardation assay — (= mobility shift assay) Test for interaction between molecules by looking for a change in gel electrophoretic mobility. For example, to assay for levels of a transcription factor, cell extracts are incubated with a radiolabelled oligonucleotide… … Dictionary of molecular biology
analysis — /euh nal euh sis/, n., pl. analyses / seez /. 1. the separating of any material or abstract entity into its constituent elements (opposed to synthesis). 2. this process as a method of studying the nature of something or of determining its… … Universalium
RF — or RF is an abbreviation for: * Roger Federer, 13 time Grand Slam winning and 1 time Olympic champion tennis player * Radio frequency * Randall Flagg * Range Factor, a baseball statistic * rate of flow , as in Volumetric flow rate * Receptive… … Wikipedia
Holocene Epoch — formerly Recent Epoch Latest interval of the Earth s geologic history, dating from 10,000 years ago to the present. The younger of the two epochs that constitute the Quaternary Period, the Holocene follows the last glacial stage of the… … Universalium
Thin layer chromatography — Separation of black ink on a TLC plate Acronym TLC Classification Chromatography Other techniques Related … Wikipedia
Rf, RF — Symbol denoting movement of a substance in paper chromatography relative to the solvent front ( i.e., retardation factor); equal to the migration distance of a substance divided by the migration … Medical dictionary
