upper-air temperature
41To take air — Air Air ([^a]r), n. [OE. air, eir, F. air, L. a[ e]r, fr. Gr. ah r, air, mist, for a[digamma]hr, fr. root a[digamma] to blow, breathe, probably akin to E. wind. In sense 10 the French has taking a meaning fr. It. aria atmosphere, air, fr. the… …
42To take the air — Air Air ([^a]r), n. [OE. air, eir, F. air, L. a[ e]r, fr. Gr. ah r, air, mist, for a[digamma]hr, fr. root a[digamma] to blow, breathe, probably akin to E. wind. In sense 10 the French has taking a meaning fr. It. aria atmosphere, air, fr. the… …
43Equivalent potential temperature — Equivalent potential temperature, commonly referred to as Theta e left( heta e ight), is a quantity related to the stability of a column of air in the atmosphere. heta e is the temperature a parcel of air would reach if all the water vapor in the …
44Liquid air — For the automobile, see Liquid Air. Liquid air is air that has been cooled to very low temperatures so that it has condensed to a liquid. It must be kept in a Dewar flask at room temperature. Liquid air can absorb heat rapidly and revert to its… …
45High-temperature superconductivity — Unsolved problems in physics What causes superconductivity at temperatures above 50 kelvin? High temperature superconductors (abbreviated high Tc or HTS) are materials that have a superconducting transition temperature (Tc) above 30 K… …
46Room air distribution — Characterizing how air is introduced to, flows through, and is removed from spaces is called room air distribution. [Fundamentals volume of the ASHRAE Handbook , Atlanta, GA, USA, 2005] HVAC airflow in spaces generally can be classified by two… …
47Hot air ballooning — is the activity of flying hot air balloons. Attractive aspects of ballooning include the exceptional quiet (except when the propane burners are firing), the lack of a feeling of movement, and the bird s eye view. Since the balloon moves with the… …
48Morón Air Base — Not to be confused with Moron Airport and Air Base or Mörön Airport. Morón Air Base Base Aérea de Morón …
49Metropolitan Association of Upper Silesia — GZM redirects here. For the Ground Zero Mosque , see Park51. Metropolitan Association of Upper Silesia Górnośląski Związek Metropolitalny Katowice Financial Center …
50Indoor air quality — (IAQ) is a term referring to the air quality within and around buildings and structures, especially as it relates to the health and comfort of building occupants. IAQ can be affected by microbial contaminants (mold, bacteria), gases (including… …
