- heat under reflux
- нагревать с обратным холодильником
English-Russian dictionary of chemistre. 2014.
English-Russian dictionary of chemistre. 2014.
Reflux — The term used when liquid backs up into the esophagus from the stomach. * * * 1. A backward flow. SEE ALSO: regurgitation. 2. In chemistry, to boil without loss of vapor because of the presence of a condenser that returns vapor as liquid. [L. re … Medical dictionary
Reflux — This article is about using reflux in chemical engineering and chemistry. For the reflux of stomach acids, see articles on heartburn, acid indigestion, and gastroesophageal reflux. For the reflux of urine, see vesicoureteral reflux. Reflux is a… … Wikipedia
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petroleum refining — Introduction conversion of crude oil into useful products. History Distillation of kerosene and naphtha The refining of crude petroleum owes its origin to the successful drilling of the first oil well in Titusville, Pa., in 1859. Prior to… … Universalium
Fractional distillation — is the separation of a mixture into its component parts, or fractions, such as in separating chemical compounds by their boiling point by heating them to a temperature at which several fractions of the compound will evaporate. It is a special… … Wikipedia
Continuous distillation — Image 1: Typical industrial distillation towers Image 2: A crude oil vacuum distillation column as used in oil refineries … Wikipedia
test — 1. To prove; to try a substance; to determine the chemical nature of a substance by means of reagents. 2. A method of examination, as to determine the presence or absence of a definite disease or of some substance in any of the fluids, tissues,… … Medical dictionary
Vacuum distillation — At atmospheric pressure, dimethyl sulfoxide boils at 189°C. Under a vacuum, it distills off into the connected receiver at only 70°C. Vacuum distillation is a method of distillation whereby the pressure above the liquid mixture to be distilled is … Wikipedia