air stack
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air stack — noun : planes circling at different assigned altitudes above an airport while waiting their turn to land * * * stack (def. 13) … Useful english dictionary
stack — stacker, n. stackless, adj. /stak/, n. 1. a more or less orderly pile or heap: a precariously balanced stack of books; a neat stack of papers. 2. a large, usually conical, circular, or rectangular pile of hay, straw, or the like. 3. Often, stacks … Universalium
Stack effect — is the movement of air into and out of buildings, chimneys, flue gas stacks, or other containers, and is driven by buoyancy. Buoyancy occurs due to a difference in indoor to outdoor air density resulting from temperature and moisture differences … Wikipedia
Air pollution dispersion terminology — describes the words and technical terms that have a special meaning to those who work in the field of air pollution dispersion modeling. Governmental environmental protection agencies (local, state, province and national) of many countries have… … Wikipedia
Air pollution — from World War II production Smog over … Wikipedia
Air preheater — An air preheater or air heater is a general term to describe any device designed to heat air before another process (for example, combustion in a boiler) with the primary objective of increasing the thermal efficiency of the process. They may be… … Wikipedia
stack — stack1 [ stæk ] noun * 1. ) count a pile of things placed one on top of another: stack of: a stack of unopened mail There were stacks of books on the floor. a ) a pile of things standing or lying together: a stack of firewood b ) a pile of HAY… … Usage of the words and phrases in modern English
stack */ — I UK [stæk] / US noun Word forms stack : singular stack plural stacks 1) [countable] a pile of things placed one on top of another stack of: a stack of unopened mail There were stacks of books on the floor. a) a pile of things standing or lying… … English dictionary
Air Resources Laboratory — The Air Resources Laboratory (ARL) is an air quality and climate laboratory in the Office of Oceanic and Atmospheric Research (OAR) which is an operating unit within the National Oceanic and Atmospheric Administration (NOAA). In October 2005, the … Wikipedia
Air Quality Modeling Group — The Air Quality Modeling Group (AQMG) is in the U.S. EPA s Office of Air and Radiation (OAR) and provides leadership and direction on the full range of air quality models, air pollution dispersion models and other mathematical simulation… … Wikipedia
