air exchange rate

  • 1exchange rate — i. The ratio of enemy losses to one’s own, especially in air combat. ii. The conversion factors assumed and used in calculating the influence of variable aircraft performance. iii. The conversion ratio between two different currencies …

    Aviation dictionary

  • 2Air purifier — An air purifier is a device which removes contaminants from air. Air purifiers are commonly marketed as being particularly beneficial to allergy sufferers and asthmatics, and at reducing second hand tobacco smoke. Use of purifiers Dust, pollen,… …

    Wikipedia

  • 3exchange — 1 /Iks tSeIndZ/ noun 1 GIVING/RECEIVING (C, U) the act of exchanging one thing for another or doing something to someone at the same time as they do it to you: an exchange of political prisoners | an honest exchange of information | fair exchange …

    Longman dictionary of contemporary English

  • 4Air cooler — is designated for refrigeration and condensation of process gas and condensate flows. It operates in an open air process site in moderate and cold climate regions. The process flow temperature is −40 to 300°С at pressures up to 7.5 MPa. Heat… …

    Glossary of Oil and Gas

  • 5Air pollution — from World War II production Smog over …

    Wikipedia

  • 6Air France Flight 447 — F GZCP, the aircraft involved in the accident Accident summary Date 1 June 2009 …

    Wikipedia

  • 7Air Europe — was a wholly privately owned, independent British airline, established in 1978 under the working title Inter European Airways.cite book| author=Simons, Graham M. | title=It was nice to fly with friends! The story of Air Europe | publisher=GMS… …

    Wikipedia

  • 8Air pollution in Hong Kong — is considered a serious problem. It affects flora and fauna in the area, and the health of residents living there. Visibility is currently less than eight kilometers for 30% of the year. Cases of asthma and bronchial infections have soared in… …

    Wikipedia

  • 9Air conditioner — For general aspects of air conditioning, see Air conditioning. A typical home air conditioning unit. An air conditioner (often referred to as AC) is a home appliance, system, or mechanism designed to dehumidify and extract heat from an area. The… …

    Wikipedia

  • 10Air Mail Scandal — The Air Mail Scandal, also known as the Air Mail Fiasco, is the name that the American press of the 1930s gave to the political scandal resulting from a congressional investigation of a meeting (the so called Spoils Conference ) between… …

    Wikipedia