| 释义 |
Bunsen burner
Bunsen burnern. A small laboratory burner consisting of a vertical metal tube connected to a gas source and producing a very hot flame from a mixture of gas and air let in through adjustable holes at the base.
[After Robert Wilhelm Bunsen.]Bunsen burner n (Chemistry) a gas burner, widely used in scientific laboratories, consisting of a metal tube with an adjustable air valve at the base [C19: named after R. W. Bunsen]Bun′sen burn′er
n. a gas burner with a hot flame, commonly used in laboratories. [1865–70; after R. W. Bunsen] Bunsen burner A small gas burner used in laboratories. It consists of a vertical metal tube connected to a gas fuel source, with adjustable holes at its base. These holes allow air to enter the tube and mix with the gas in order to make a very hot flame.Thesaurus| Noun | 1. |  bunsen burner - a gas burner used in laboratories; has an air valve to regulate the mixture of gas and airbunsen, etnagas burner, gas jet - burner such that combustible gas issues from a nozzle to form a steady flame |
TranslationsBunsen burner
Bunsen burner, gas burner, commonly used in scientific laboratories, consisting essentially of a hollow tube which is fitted vertically around the flame and which has an opening at the base to admit air. A smokeless, nonluminous flame of high temperature is produced. The underlying principle of the Bunsen burner is basic to common gas stoves and lamps.Bunsen burner[′bən·sən ′bər·nər] (engineering) A type of gas burner with an adjustable air supply. Bunsen burner a gas burner, widely used in scientific laboratories, consisting of a metal tube with an adjustable air valve at the base Bunsen burner
Bun·sen burn·er (bŭn'sĕn bern'ĕr), A gas lamp supplied with lateral openings admitting sufficient air so that the carbon is completely burned, thus giving a very hot but only slightly luminous flame. [RW Bunsen, 1811-1899] Bunsen burner A standard laboratory device which is attached to a stream of natural gas (e.g., methane), or a liquefied petroleum gas (e.g., propane and/or butane), which produces an adjustable flame for heating chemical reactions, sterilisation of equipment and combustion.Bun·sen burn·er (bŭn'sĕn bŭr'nĕr) A gas lamp supplied with openings admitting sufficient air that carbon is completely burned, giving a hot but only slightly luminous flame. [R.W. Bunsen, 1811-1899]Bunsen, Robert W., German chemist and physicist, 1811-1899. Bunsen burner - a gas lamp giving a very hot but only slightly luminous flame.Bunsen solubility coefficient - the milliliters of gas STPD dissolved per milliliter of liquid and per atmosphere (760 mmHg) partial pressure of the gas at any given temperature.Bunsen-Roscoe law - in two photochemical reactions, if the product of the intensity of illumination and the time of exposure are equal, the quantities of chemical material undergoing change will be equal. Synonym(s): reciprocity law; Roscoe-Bunsen lawRoscoe-Bunsen law - Synonym(s): Bunsen-Roscoe lawbunsen burner
Synonyms for bunsen burnernoun a gas burner used in laboratoriesSynonymsRelated Words |