SNOWMOBILE, travel on snow and ice propeller thrust. "Snowmobile - amphibia" have speed over 100 km/h on snow, 80 km/h on water, distance of course up to 500 kms, carrying capacity up to 600 kg. Are applied basically in conditions of Far North.

AEROSINUSITIS, inflammation of a mucous membrane of adventitious axils of naze at differentials of a barometric pressure: sensation of pressure, gravity and a sharp pain in range of a staggered axil, a headache.

"AEROSMIT" (Aerosmith), the American rock group, is derivated in 1970. Structure: Steve Tyler (vocal), Dzho Perry (gear quadrant), Brad Uitford (gear quadrant), Thom Hemilton (bass - gear quadrant), Dzhoj Cramer (impact). The disc " Toys In The Attic " (1975) has become "platinum". In 1980 group has broken up. In 1985 band has again become to act in original structure. The album "Pump" (1989) has hitted in the top ten of national charts. Today "Aerosmit" is in a number{series} of master American rock groups.

"AEROSPASJAL" (Aerospatiale SNI), master aerospace firm of France. It is derivated in 1970 as a result of interflow of firms " the North aviasjon ", " Sjud aviasjon " and SEREB. Together with " British erkraft korporejshn " has developed and issued a supersonic aeroplane "Concord"; takes master place in Europe on manufacture of helicopters.

AIR BALLOON (from aero... And... stat), a flight vehicle lighter-than-air. Has an environment, gap-filling light gas (hydrogen, helium). Distinguish tethered, loose, steered (airships) and air balloons for flights in a stratosphere (stratosphere balloons).

AEROSTATICS, section of an aeromechanics in which equilibrium conditions of gases are studied, in particular air, and action of fixed gases on solids submersed in them.

AERIAL PHOTOGRAPHY, filming of district from flight vehicles with use of taking systems (receivers of the information), working in different epines of a spectrum of electromagnetic waves. Distinguish a photographic, television, thermal, radar and multiband aerial photography.

The AEROTANK (aerotank) (from aero... And English tank - the reservoir{tank}), the concrete or reinforced-concrete reservoir{tank} for an activated sludge process from organic impurities by oxidation by their microorganisms located in a layer of an active sludge at the bottom of the aerotank. The dimensions: an altitude of 4-5 m, width up to 10 m, length up to 150 m.

AIR-CURE (from aero... And therapy), the long-lived dosed stay in the open air or dosed air baths. It is used with the purpose of quenching and treatment.

The AEROFILTER, structure for a bioscrubbling of waste waters. Differs from the bacteria bed the greater altitude of filter bed (up to 4 ì) and availability of the air supply arrangement that ensures high oxidative power of the aerofilter.

AEROFLOT, 1) the conventional collective name of the civil aviation were in management of the ministry of a civil aviation of the USSR. 2) In the USSR - the unified air enterprise (" Aeroflot). In nach. 1990th are converted to the do-it-yourself enterprises of separate locales of the Russian Federation and other countries CIS.

AERIAL PHOTOGRAMMETRY, the section of a photogrammetry investigator conventions of measurement of different objects on air photos.

AIR PHOTOGRAPHY, photography (in all ranges of an optical spectrum) districts from a flight vehicle. Distinguish scheduled and oblique aerial photography. Materials of air photography are used at geodesic, geological investigations, engineering survey, etc.

AEROPHOTOTOPOGRAPHY, the section of topography investigator methods of building of topographic maps on materials of air photography.

Atomic power station, see. An atomic power station.

AETION (2-n a floor. 4 century up to n. e.), the ancient greek artist and the sculptor from Ionia. Has written patterns: "Tragedies", "Comedies", " Wedding Alexander the Great and Roksany ", etc.

AETSY (Aetius) (ok. 390-454), the Roman commander. In 451 in battle on Katalaunskih fields a Roman troops and their allies - barbarians under guiding Aetsija have routed gunnov led by Attiloj.

AJUDAG (Bear - mountain), a hills, headland on JUzh. To coast of Crimea, to north-east from Gurzuf. An altitude of 572 m. For southwest foot - Artek.

AJUI R. Æ., see Gajui R.Z.

AJUKA (1642-1724), calmuc khan (with 1672). Has sworn on citizenship of Russia. His{its} troops were used at depressing{supression} Astrakhan and Bulavinskogo revolts, and also in Boreal war.