is recirculated

См. также в других словарях:

• Recirculated Air —   Air that is returned from a heated or cooled space, reconditioned and/or cleaned, and returned to the space …   Energy terms

• environmental works — ▪ civil engineering Introduction       infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations …   Universalium

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• Exhaust gas recirculation — (EGR) is a nitrogen oxide (NOx) emissions reduction technique used in most gasoline and diesel engines.EGR works by recirculating a portion of an engine s exhaust gas back to the engine cylinders. Intermixing the incoming air with recirculated… …   Wikipedia

• Pyrolysis — is the chemical decomposition of organic materials by heating in the absence of oxygen or any other reagents, except possibly steam.It is used in chemical analysis to break down complex matter into simpler molecules for identification, for… …   Wikipedia

• Cleanroom — For the Cleanroom software engineering methodology, see Cleanroom Software Engineering. For the meaning of clean room engineering as a method to avoid copyright infringement, see clean room design. Cleanroom used for the production of… …   Wikipedia

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• Dust collection system — A dust collection system is an air quality improvement system used in industrial, commercial, and home production shops to improve breathable air quality and safety by removing particulate matter from the air and environment. Dust collection… …   Wikipedia