vacuum test chamber

  • 51Compact Disc manufacturing — A compact disc in its jewel case. Compact disc manufacturing is the process by which commercial compact discs (CDs) are replicated in mass quantities using a master version created from a source recording. This may be either in audio form (CD… …

    Wikipedia

  • 52Human adaptation to space — Human physiological adaptation to space is a challenge faced in developing human spaceflight. The turn of the 21st century saw increased research into how humans can survive and work in space for long periods.Importance of subjectThe sum of… …

    Wikipedia

  • 53centrifuge — centrifugation /sen trif yeuh gay sheuhn, trif euh /, n. /sen treuh fyoohj /, n., v., centrifuged, centrifuging. n. 1. an apparatus that rotates at high speed and by centrifugal force separates substances of different densities, as milk and cream …

    Universalium

  • 54particle accelerator — accelerator (def. 7). [1945 50] * * * Device that accelerates a beam of fast moving, electrically charged atoms (ions) or subatomic particles. Accelerators are used to study the structure of atomic nuclei (see atom) and the nature of subatomic… …

    Universalium

  • 55United Kingdom — a kingdom in NW Europe, consisting of Great Britain and Northern Ireland: formerly comprising Great Britain and Ireland 1801 1922. 58,610,182; 94,242 sq. mi. (244,100 sq. km). Cap.: London. Abbr.: U.K. Official name, United Kingdom of Great… …

    Universalium

  • 56tunnels and underground excavations — ▪ engineering Introduction        Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening …

    Universalium

  • 57ГОСТ 23851-79: Двигатели газотурбинные авиационные. Термины и определения — Терминология ГОСТ 23851 79: Двигатели газотурбинные авиационные. Термины и определения оригинал документа: 293. Аварийное выключение ГТД Аварийное выключение Ндп. Аварийное отключение ГТД D. Notausschaltung Е. Emergency shutdown F. Arrêt urgent… …

    Словарь-справочник терминов нормативно-технической документации

  • 58Germany — /jerr meuh nee/, n. a republic in central Europe: after World War II divided into four zones, British, French, U.S., and Soviet, and in 1949 into East Germany and West Germany; East and West Germany were reunited in 1990. 84,068,216; 137,852 sq.… …

    Universalium

  • 59literature — /lit euhr euh cheuhr, choor , li treuh /, n. 1. writings in which expression and form, in connection with ideas of permanent and universal interest, are characteristic or essential features, as poetry, novels, history, biography, and essays. 2.… …

    Universalium

  • 60petroleum refining — Introduction  conversion of crude oil into useful products. History Distillation of kerosene and naphtha       The refining of crude petroleum owes its origin to the successful drilling of the first oil well in Titusville, Pa., in 1859. Prior to… …

    Universalium