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bead catalyst

См. также в других словарях:

  • Catalytic bead sensor — A catalytic bead sensor is a type of sensor that is used for gasdetection.PrincipleThe catalytic bead sensor consist of two coils of fine platinum wire each embedded in a bead of alumina, connected electrically in a Wheatstone bridge circuit. One …   Wikipedia

  • oxidation catalyst — (OC) type of bead material in catalytic converter which aids in oxidation of CO and HC …   Dictionary of automotive terms

  • platinum group — ▪ chemical element group Introduction       six metals, in order of increasing atomic weight, ruthenium (Ru), rhodium (Rh), palladium (Pd), osmium (Os), iridium (Ir), and …   Universalium

  • Magnetic nanoparticles — are a class of nanoparticle which can be manipulated using magnetic field. Such particles commonly consist of magnetic elements such as iron, nickel and cobalt and their chemical compounds. While nanoparticles are smaller than 1 micrometer in… …   Wikipedia

  • India — /in dee euh/, n. 1. Hindi, Bharat. a republic in S Asia: a union comprising 25 states and 7 union territories; formerly a British colony; gained independence Aug. 15, 1947; became a republic within the Commonwealth of Nations Jan. 26, 1950.… …   Universalium

  • Activated carbon — Activated carbon, also called activated charcoal, activated coal or carbo activatus, is a form of carbon that has been processed to make it extremely porous and thus to have a very large surface area available for adsorption or chemical reactions …   Wikipedia

  • Pearl — For other uses, see Pearl (disambiguation). Pearl Pearls General Category Mineral Chemical formula Ca …   Wikipedia

  • elastomer — elastomeric /i las teuh mer ik/, adj. /i las teuh meuhr/, n. Chem. an elastic substance occurring naturally, as natural rubber, or produced synthetically, as butyl rubber or neoprene. [1935 40; ELAST(IC) + O + Gk méros a part] * * * ▪ chemical… …   Universalium

  • Expansion joint — For the railway specific expansion joints, see Breather switch. Expansion joint on a bridge An expansion joint or movement joint is an assembly designed to safely absorb the heat induced expansion and contraction of various construction materials …   Wikipedia

  • gold processing — Introduction  preparation of the ore for use in various products.       For thousands of years the word gold has connoted something of beauty or value. These images are derived from two properties of gold, its colour and its chemical stability.… …   Universalium

  • Characters in the Realm of the Elderlings — This article discusses the characters in The Realm of the Elderlings, a fictional world created by Robin Hobb for her book series The Farseer Trilogy, The Liveship Traders Trilogy, The Tawny Man Trilogy and The Rain Wild Chronicles. This page… …   Wikipedia


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