a gas

  • 61gas chromatography — n chromatography in which the sample mixture is vaporized and injected into a stream of carrier gas (as nitrogen or helium) moving through a column containing a stationary phase composed of a liquid or a particulate solid and is separated into… …

    Medical dictionary

  • 62gas — /gas/ o, meno com., /gaz/ s.m. [voce foggiata (1600) dal chimico belga J. B. van Helmont (1579 1644) col sign. di vapore sottile , dal lat. chaos, gr. kháos massa informe ]. 1. (fis.) [ogni sostanza che a pressione e temperatura ordinarie si… …

    Enciclopedia Italiana

  • 63gas-cooled — gasˈ cooled adjective Cooled by a flow of gas • • • Main Entry: ↑gas * * * ˈgas cooled [gas cooled] adjective only before noun using gas to keep the temperature cool • …

    Useful english dictionary

  • 64gas fire — noun A room heating apparatus in which gas is burned • • • Main Entry: ↑gas * * * gas fire UK US noun [countable] [singular gas fire plural gas fires …

    Useful english dictionary

  • 65gas|light — «GAS LYT», noun. 1. the light made by burning gas, usually coal gas. 2. a lamp or other fixture which burns gas. 3. a gas burner or gas jet …

    Useful english dictionary

  • 66gas|man — «GAS man», noun, plural men. 1. a person whose work is manufacturing or supplying gas. 2. a) a collector of money due the gas company for gas supplied. b) a man who reads gas meters. 3. a gas fitter: »A narrow alley full of delivery vans and… …

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  • 67Gas exchange — or respiration takes place at a respiratory surface a boundary between the external environment and the interior of the body. For unicellular organisms the respiratory surface is Fick s law we can predict that respiratory surfaces must have: *a… …

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  • 68Gas dynamic cold spray — is a coating deposition method developed in the mid 1980s in the Soviet Union in The Institute of Theoretical and Applied Mechanics by Papyrin and his team. The solid powders (1 to 50 micrometers in diameter) are accelerated in supersonic gas… …

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  • 69Gas composition — Gas composition: any gas can be characterised by listing the pure substances it contains, and stating for each substance its proportion of the gas mixture s molecule count.To give a familiar example, air has a composition… …

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  • 70Gas diffusion electrode — Gas diffusion electrodes are electrodes with a conjunction of a solid, liquid and gaseous interface, and an electrical conducting catalyst supporting an electrochemical reaction between the liquid and the gaseous phase. Especially known in fuel… …

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