surface layer of air

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• Surface layer — The surface layer is the layer of a turbulent fluid most affected by interaction with a solid surface or the surface separating a gas and a liquid. In surface layers the characteristics of the turbulence depend on distance from the interface.… …   Wikipedia

• Surface weather observation — Surface weather observations are the fundamental data used for safety as well as climatological reasons to forecast weather and issue warnings worldwide. [Office of the Federal Coordinator of Meteorology. [http://www.ofcm.gov/fmh 1/pdf/B CH2.pdf… …   Wikipedia

• Surface freezing — is the appearance of long range crystalline order in a near surface layer of a liquid. The surface freezing effect is opposite to a far more common surface melting, or premelting. Surface Freezing was experimentally discovered in melts of alkanes …   Wikipedia

• surface analysis — ▪ chemistry Introduction       in analytical chemistry (chemistry), the study of that part of a solid that is in contact with a gas or a vacuum. When two phases of matter are in contact, they form an interface. The term surface is usually… …   Universalium

• Air mass — For other uses, see Air mass (astronomy) and Air mass (solar energy). Different air masses which affect North America, as well as othe …   Wikipedia

• Air knife — An air knife is normally used in manufacturing or as the first step in a recursive recycling process to separate lighter or smaller particles from other components for use in later or subsequent steps, post manufacturing parts drying and conveyor …   Wikipedia

• surface boundary layer — Meteorol. the thin layer of air adjacent to the earth s surface, usually considered to be less than 300 ft. (91 m) high. Also called surface layer, atmospheric boundary layer, friction layer, ground layer. * * * …   Universalium

• surface boundary layer — Meteorol. the thin layer of air adjacent to the earth s surface, usually considered to be less than 300 ft. (91 m) high. Also called surface layer, atmospheric boundary layer, friction layer, ground layer …   Useful english dictionary

• Air caster — An air caster is a pneumatic lifting device used to move heavy loads on flat, non porous surfaces. Its operation is similar to a hovercraft, in that it uses a thin layer of air as a way to float a very small distance off the ground. Compressed… …   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 hockey — is a game for two competing players trying to score points in the opposing player s goal. EquipmentAir hockey requires an air hockey table, two mallets, and a puck.A typical air hockey table consists of a large smooth playing surface, a… …   Wikipedia