air column

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• Air classifier — An air classifier is an industrial machine which sorts materials by a combination of size, shape, and density. It works by injecting the material stream to be sorted into a chamber which contains a column of rising air. Inside the separation… …   Wikipedia

• Air flow bench — An air flow bench is a device used for testing the internal aerodynamic qualities of an engine component and is related to the more familiar wind tunnel. Used primarily for testing the intake and exhaust ports of cylinder heads of internal… …   Wikipedia

• Air-free technique — Air free techniques refer to a range of manipulations in the chemistry laboratory for the handling of compounds that are air sensitive. These techniques prevent the compounds from reacting with components of air, usually water and oxygen; less… …   Wikipedia

• Air stripping — is the transferring of volatile components of a liquid into an air stream. It is a chemical engineering technology used for the purification of groundwaters and wastewaters containing volatile compounds. Volatile compounds have relatively high… …   Wikipedia

• Column — Col umn, n. [L. columna, fr. columen, culmen, fr. cellere (used only in comp.), akin to E. excel, and prob. to holm. See {Holm}, and cf. {Colonel}.] 1. (Arch.) A kind of pillar; a cylindrical or polygonal support for a roof, ceiling, statue, etc …   The Collaborative International Dictionary of English

• Column rule — Column Col umn, n. [L. columna, fr. columen, culmen, fr. cellere (used only in comp.), akin to E. excel, and prob. to holm. See {Holm}, and cf. {Colonel}.] 1. (Arch.) A kind of pillar; a cylindrical or polygonal support for a roof, ceiling,… …   The Collaborative International Dictionary of English

• Air gun — Air rifle and Air pistol redirect here. For other uses, see Air gun (disambiguation) An air gun (air rifle or air pistol) is a rifle or pistol which fires projectiles by means of compressed air or other gas, (in contrast to a firearm which uses… …   Wikipedia

• Air Midwest Flight 5481 — Accident summary Date January 8, 2003 (2003 01 08) Type Overweight on the back (due to baggag …   Wikipedia

• Air Canada Flight 621 — Accident summary Date July 5, 1970 Type Crew error Site …   Wikipedia

• Air Union — ИАТА ИКАО Позывной …   Википедия

• Air Support in Ground Operations — ▪ Primary Source       1st U.S. Army Report of Operations 20 Oct. 1943 1 Aug. 1944       In its official “after action” report on the conduct of the first phase of Operation Overlord (the code name for the Normandy Invasion), the U.S. First Army… …   Universalium