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1 efficient height
efficient height Nutzhöhe fEnglish-German dictionary of Architecture and Construction > efficient height
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2 efficient height
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3 Appleton, Sir Edward Victor
[br]b. 6 September 1892 Bradford, Englandd. 21 April 1965 Edinburgh, Scotland[br]English physicist awarded the Nobel Prize for Physics for his discovery of the ionospheric layer, named after him, which is an efficient reflector of short radio waves, thereby making possible long-distance radio communication.[br]After early ambitions to become a professional cricketer, Appleton went to St John's College, Cambridge, where he studied under J.J.Thompson and Ernest Rutherford. His academic career interrupted by the First World War, he served as a captain in the Royal Engineers, carrying out investigations into the propagation and fading of radio signals. After the war he joined the Cavendish Laboratory, Cambridge, as a demonstrator in 1920, and in 1924 he moved to King's College, London, as Wheatstone Professor of Physics.In the following decade he contributed to developments in valve oscillators (in particular, the "squegging" oscillator, which formed the basis of the first hard-valve time-base) and gained international recognition for research into electromagnetic-wave propagation. His most important contribution was to confirm the existence of a conducting ionospheric layer in the upper atmosphere capable of reflecting radio waves, which had been predicted almost simultaneously by Heaviside and Kennelly in 1902. This he did by persuading the BBC in 1924 to vary the frequency of their Bournemouth transmitter, and he then measured the signal received at Cambridge. By comparing the direct and reflected rays and the daily variation he was able to deduce that the Kennelly- Heaviside (the so-called E-layer) was at a height of about 60 miles (97 km) above the earth and that there was a further layer (the Appleton or F-layer) at about 150 miles (240 km), the latter being an efficient reflector of the shorter radio waves that penetrated the lower layers. During the period 1927–32 and aided by Hartree, he established a magneto-ionic theory to explain the existence of the ionosphere. He was instrumental in obtaining agreement for international co-operation for ionospheric and other measurements in the form of the Second Polar Year (1932–3) and, much later, the International Geophysical Year (1957–8). For all this work, which made it possible to forecast the optimum frequencies for long-distance short-wave communication as a function of the location of transmitter and receiver and of the time of day and year, in 1947 he was awarded the Nobel Prize for Physics.He returned to Cambridge as Jacksonian Professor of Natural Philosophy in 1939, and with M.F. Barnett he investigated the possible use of radio waves for radio-location of aircraft. In 1939 he became Secretary of the Government Department of Scientific and Industrial Research, a post he held for ten years. During the Second World War he contributed to the development of both radar and the atomic bomb, and subsequently served on government committees concerned with the use of atomic energy (which led to the establishment of Harwell) and with scientific staff.[br]Principal Honours and DistinctionsKnighted (KCB 1941, GBE 1946). Nobel Prize for Physics 1947. FRS 1927. Vice- President, American Institute of Electrical Engineers 1932. Royal Society Hughes Medal 1933. Institute of Electrical Engineers Faraday Medal 1946. Vice-Chancellor, Edinburgh University 1947. Institution of Civil Engineers Ewing Medal 1949. Royal Medallist 1950. Institute of Electrical and Electronics Engineers Medal of Honour 1962. President, British Association 1953. President, Radio Industry Council 1955–7. Légion d'honneur. LLD University of St Andrews 1947.Bibliography1925, joint paper with Barnett, Nature 115:333 (reports Appleton's studies of the ionosphere).1928, "Some notes of wireless methods of investigating the electrical structure of the upper atmosphere", Proceedings of the Physical Society 41(Part III):43. 1932, Thermionic Vacuum Tubes and Their Applications (his work on valves).1947, "The investigation and forecasting of ionospheric conditions", Journal of theInstitution of Electrical Engineers 94, Part IIIA: 186 (a review of British work on the exploration of the ionosphere).with J.F.Herd \& R.A.Watson-Watt, British patent no. 235,254 (squegging oscillator).Further ReadingWho Was Who, 1961–70 1972, VI, London: A. \& C.Black (for fuller details of honours). R.Clark, 1971, Sir Edward Appleton, Pergamon (biography).J.Jewkes, D.Sawers \& R.Stillerman, 1958, The Sources of Invention.KFBiographical history of technology > Appleton, Sir Edward Victor
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4 panel
- panel
- n1. панель, плита; щит ( элемент конструкции)
2. панель ( расстояние между узлами фермы)
3. нижняя часть стены, имеющая иную отделку, чем верхняя
4. распределительный щит; щит управления
- access panel
- acoustical panel
- adjustable radius curved form panel
- aggregate-coated panel
- airing panel
- all-steel curved form panel
- appliance panel
- architectural panel
- architectural-grade concrete form panel
- asbestos cement wall panel
- brick-faced concrete wall panel
- brickwork infill panel
- building panel
- cladding panel
- composite panel
- concrete form panel
- control panel
- curtain wall panel
- deck panel
- demountable wall panel
- direct radiant panel
- distribution panel
- door panel
- double tee wall panel
- drop panel
- electric floor panel
- embedded heating panel
- enclosure panel
- energy-efficient precast wall panel
- exhaust panel
- expanded polystyrene form panel
- exterior panel
- facing panel
- floor panel
- form panel
- form panel with scaffold platform
- gauge panel
- girder web panel
- glass-fiber-reinforced concrete wall panel
- gypsum panel
- heating panel
- horizontal panel
- infill panel
- instrumental panel
- insulated panel
- large-surface form panel
- lift-slab panel
- load-bearing panel
- metal wall form panel
- operating panel
- ornamental precast panel
- patterned panel
- perforated deck panel
- perforated panel
- plywood form panel
- precast panel
- precast cladding panel
- precast concrete panel
- precast structural cladding panel
- precast windowed wall panel
- prefabricated formwork panel
- prefabricated masonry panel
- premolded asphalt panel
- prestressed panel
- radiant panel
- raised and fielded door panel
- raised and fielded panel
- ribbed panel
- rock faced concrete panel
- safety glass panel
- sample panel
- sandwich panel
- sculptured panel
- sheet panel
- site-cast panel
- site-precast concrete panel
- solar collector roof panel
- sound-insulating panel
- steel-ply panel
- storey-height wall panel
- stress skin panel
- structural roof deck panel
- subdivided panel
- suction panel
- supply air panel
- thermally insulated cladding panel
- tilt-up panel
- ventilation panel
- vortex air supply panel
- waffle-crete panel
- wall heating panel
- weld mesh panel
- window panel
- windowed concrete panel
- windowed panel
- wood fiber concrete panel
Англо-русский строительный словарь. — М.: Русский Язык. С.Н.Корчемкина, С.К.Кашкина, С.В.Курбатова. 1995.
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5 panel
1) панель ( конструкции)2) облицовочная панель, филёнка8) плита (тротуара, мостовой)9) распределительный щит, приборная панель, щиток; панель управления10) список, перечень11) группа экспертов; совет консультантов12) обшивать панелями, отделывать филёнками•- acoustic panel - aerated panel - airing panel - alarm-signal panel - appliance panel - building panel - cladding panel - composite panel - corner panel - cornice panel - curtain wall panel - electric service panel - electronic control panel - face panel - facing panel - fibre reinforced gypsum panel - form panel - foundation panel - heating panel - laminated panel - large panel - lighting panel - load-bearing wall panels - multi-core panel - multilayer panel - operating panel - pillar wall panel - plinth panel - power panel - precast panel - prefabricated panels - raised panel - raised concrete panel - ready-made panel - ribbed panel - rolled panel - roof panel - sandwich panel - sheet panel - side panel - single-layer panel - site-cast panel - sluice panel - socle panel - solar-cell panel - solar collector roof panel - sound-insulating panel - subdivided panel - sunk panel - T-beam floor panel - test panel - three-layer panel - truss panel - ventilation panel - vibrolled panel - wall panel - wall panel between two windows - wall heating panel - window panel - wind-protective panel - wood-based panel* * *1. панель, плита; щит ( элемент конструкции)2. панель ( расстояние между узлами фермы)3. нижняя часть стены, имеющая иную отделку, чем верхняя4. распределительный щит; щит управления- access panel
- acoustical panel
- adjustable radius curved form panel
- aggregate-coated panel
- airing panel
- all-steel curved form panel
- appliance panel
- architectural panel
- architectural-grade concrete form panel
- asbestos cement wall panel
- brick-faced concrete wall panel
- brickwork infill panel
- building panel
- cladding panel
- composite panel
- concrete form panel
- control panel
- curtain wall panel
- deck panel
- demountable wall panel
- direct radiant panel
- distribution panel
- door panel
- double tee wall panel
- drop panel
- electric floor panel
- embedded heating panel
- enclosure panel
- energy-efficient precast wall panel
- exhaust panel
- expanded polystyrene form panel
- exterior panel
- facing panel
- floor panel
- form panel
- form panel with scaffold platform
- gauge panel
- girder web panel
- glass-fiber-reinforced concrete wall panel
- gypsum panel
- heating panel
- horizontal panel
- infill panel
- instrumental panel
- insulated panel
- large-surface form panel
- lift-slab panel
- load-bearing panel
- metal wall form panel
- operating panel
- ornamental precast panel
- patterned panel
- perforated deck panel
- perforated panel
- plywood form panel
- precast panel
- precast cladding panel
- precast concrete panel
- precast structural cladding panel
- precast windowed wall panel
- prefabricated formwork panel
- prefabricated masonry panel
- premolded asphalt panel
- prestressed panel
- radiant panel
- raised and fielded door panel
- raised and fielded panel
- ribbed panel
- rock faced concrete panel
- safety glass panel
- sample panel
- sandwich panel
- sculptured panel
- sheet panel
- site-cast panel
- site-precast concrete panel
- solar collector roof panel
- sound-insulating panel
- steel-ply panel
- storey-height wall panel
- stress skin panel
- structural roof deck panel
- subdivided panel
- suction panel
- supply air panel
- thermally insulated cladding panel
- tilt-up panel
- ventilation panel
- vortex air supply panel
- waffle-crete panel
- wall heating panel
- weld mesh panel
- window panel
- windowed concrete panel
- windowed panel
- wood fiber concrete panel -
6 effective
1. n воен. боец2. n воен. численный состав, эффективы3. n воен. боевой состав4. a действительный; действенный; эффективный; успешный; полезныйeffective steps towards peace — эффективные шаги, направленные на укрепление мира
effective range — эффективная дальность; дальность действительного огня
effective bursting radius — радиус поражения осколками; убойный радиус
5. a действующий, имеющий силуeffective order — приказ, вступивший в силу
6. a эффектный, впечатляющийeffective speaker — оратор, владеющий аудиторией
7. a фактический8. a имеющий хождение9. a лингв. завершительный, результативный, эффективный10. a тех. полезный, рабочийСинонимический ряд:1. effectual (adj.) capable; competent; constructive; effectual; efficacious; efficient; energetic; high-performance; lively; potent; practical; productive; proficient; sufficient; telling; useful; virtuous2. in force (adj.) active; current; in force; operative; prevailing; sovereign; standing3. strong (adj.) convincing; dynamic; forceful; impressive; powerful; strong; vigorousАнтонимический ряд:futile; inactive; inadequate; incapable; incompetent; ineffective; ineffectual; inefficient; inoperative; nugatory; useless; weak -
7 wing
крыло; авиационное крыло, (авиа)крыло ( организационная единица) ; pl. разг. «крылья» ( нагрудный знак лётного состава) ; летать на самолёте; крыльевой60° wing — крыло с углом стреловидности 60° (по передней кромке)
75 per cent swept delta wing — треугольное крыло с углом стреловидности 75° по передней кромке
85 per cent flapped wing — крыло с закрылками на 85% размаха
cock up the wing — разг. задирать крыло вверх
give drop to a wing — уменьшать подъёмную силу крыла (на одной половине); опускать крыло
mid(-mounted, -set) wing — среднерасположенное крыло
one-sixth scale model wing — модель крыла в масштабе 1:6
shoulder(-height, -mounted) wing — высокорасположенное крыло
— aft wing— air wing— dry wing— fly wing— jet wing— top wing— wet wing— X wing -
8 Watson-Watt, Sir Robert Alexander
[br]b. 13 April 1892 Brechin, Angus, Scotlandd. 6 December 1973 Inverness, Scotland[br]Scottish engineer and scientific adviser known for his work on radar.[br]Following education at Brechin High School, Watson-Watt entered University College, Dundee (then a part of the University of St Andrews), obtaining a BSc in engineering in 1912. From 1912 until 1921 he was Assistant to the Professor of Natural Philosophy at St Andrews, but during the First World War he also held various posts in the Meteorological Office. During. this time, in 1916 he proposed the use of cathode ray oscillographs for radio-direction-finding displays. He joined the newly formed Radio Research Station at Slough when it was opened in 1924, and 3 years later, when it amalgamated with the Radio Section of the National Physical Laboratory, he became Superintendent at Slough. At this time he proposed the name "ionosphere" for the ionized layer in the upper atmosphere. With E.V. Appleton and J.F.Herd he developed the "squegger" hard-valve transformer-coupled timebase and with the latter devised a direction-finding radio-goniometer.In 1933 he was asked to investigate possible aircraft counter-measures. He soon showed that it was impossible to make the wished-for radio "death-ray", but had the idea of using the detection of reflected radio-waves as a means of monitoring the approach of enemy aircraft. With six assistants he developed this idea and constructed an experimental system of radar (RAdio Detection And Ranging) in which arrays of aerials were used to detect the reflected signals and deduce the bearing and height. To realize a practical system, in September 1936 he was appointed Director of the Bawdsey Research Station near Felixstowe and carried out operational studies of radar. The result was that within two years the East Coast of the British Isles was equipped with a network of radar transmitters and receivers working in the 7–14 metre band—the so-called "chain-home" system—which did so much to assist the efficient deployment of RAF Fighter Command against German bombing raids on Britain in the early years of the Second World War.In 1938 he moved to the Air Ministry as Director of Communications Development, becoming Scientific Adviser to the Air Ministry and Ministry of Aircraft Production in 1940, then Deputy Chairman of the War Cabinet Radio Board in 1943. After the war he set up Sir Robert Watson-Watt \& Partners, an industrial consultant firm. He then spent some years in relative retirement in Canada, but returned to Scotland before his death.[br]Principal Honours and DistinctionsKnighted 1942. CBE 1941. FRS 1941. US Medal of Merit 1946. Royal Society Hughes Medal 1948. Franklin Institute Elliot Cresson Medal 1957. LLD St Andrews 1943. At various times: President, Royal Meteorological Society, Institute of Navigation and Institute of Professional Civil Servants; Vice-President, American Institute of Radio Engineers.Bibliography1923, with E.V.Appleton \& J.F.Herd, British patent no. 235,254 (for the "squegger"). 1926, with J.F.Herd, "An instantaneous direction reading radio goniometer", Journal ofthe Institution of Electrical Engineers 64:611.1933, The Cathode Ray Oscillograph in Radio Research.1935, Through the Weather Hours (autobiography).1936, "Polarisation errors in direction finders", Wireless Engineer 13:3. 1958, Three Steps to Victory.1959, The Pulse of Radar.1961, Man's Means to his End.Further ReadingS.S.Swords, 1986, Technical History of the Beginnings of Radar, Stevenage: Peter Peregrinus.KFBiographical history of technology > Watson-Watt, Sir Robert Alexander
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