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41 Perret, Auguste
[br]b. 12 February 1874 Ixelles, near Brussels, Belgiumd. 26 February 1954 Le Havre (?), France[br]French architect who pioneered and established building design in reinforced concrete in a style suited to the modern movement.[br]Auguste Perret belonged to the family contracting firm of A. \& G.Perret, which early specialized in the use of reinforced concrete. His eight-storey building at 25 bis Rue Franklin in Paris, built in 1902–3, was the first example of frame construction in this material and established its viability for structural design. Both ground plan and façade are uncompromisingly modern, the simplicity of the latter being relieved by unobtrusive faience decoration. The two upper floors, which are set back, and the open terrace roof garden set a pattern for future schemes. All of Perret's buildings had reinforced-concrete structures and this was clearly delineated on the façade designs. The concept was uncommon in Europe at the time, when eclecticism still largely ruled, but was derived from the late nineteenth-century skyscraper façades built by Louis Sullivan in America. In 1905–6 came Perret's Garage Ponthieu in Paris; a striking example of exposed concrete, it had a central façade window glazed in modern design in rich colours. By the 1920s ferroconcrete was in more common use, but Perret still led the field in France with his imaginative, bold use of the material. His most original structure is the Church of Notre Dame at Le Raincy on the outskirts of Paris (1922–3). The imposing exterior with its tall tower in diminishing stages is finely designed, but the interior has magnificence. It is a wide, light church, the segmented vaulted roof supported on slender columns. The whole structure is in concrete apart from the glass window panels, which extend the full height of the walls all around the church. They provide a symphony of colour culminating in deep blue behind the altar. Because of the slenderness of the columns and the richness of the glass, this church possesses a spiritual atmosphere and unimpeded sight and sound of and from the altar for everyone. It became the prototype for churches all over Europe for decades, from Moser in prewar Switzerland to Spence's postwar Coventry Cathedral.In a long working life Perret designed buildings for a wide range of purposes, adhering to his preference for ferroconcrete and adapting its use according to each building's needs. In the 1940s he was responsible for the railway station at Amiens, the Atomic Centre at Saclay and, one of his last important works, the redevelopment after wartime damage of the town centre of Le Havre. For the latter, he laid out large open squares enclosed by prefabricated units, which display a certain monotony, despite the imposing town hall and Church of St Joseph in the Place de L'Hôtel de Ville.[br]Principal Honours and DistinctionsPresident des Réunions Internationales des Architectes. American Society of the French Legion of Honour Gold Medal 1950. Elected after the Second World War to the Institut de France. First President of the International Union of Architects on its creation in 1948. RIBA Royal Gold Medal 1948.Further ReadingP.Blater, 1939, "Work of the architect A.Perret", Architektura SSSR (Moscow) 7:57 (illustrated article).1848 "Auguste Perret: a pioneer in reinforced concrete", Civil Engineers' Review, pp.296–300.Peter Collins, 1959, Concrete: The Vision of a New Architecture: A Study of Auguste Perret and his Precursors, Faber \& Faber.Marcel Zahar, 1959, D'Une Doctrine d'Architecture: Auguste Perret, Paris: Vincent Fréal.DY -
42 Tupolev, Andrei Nikolayevich
[br]b. 10 November 1888 Pastomazovo, Russiad. 23 December 1972 Moscow, Russia[br]Russian aircraft designer.[br]In 1909 he entered the Moscow Higher Technical School and became a pupil of Nikolai Zhukovsky, who was known as "the father of Russian aviation". Graduating in 1918, he helped Zhukovsky to set up the Zhukovsky Central Aerohydrodynamic Institute and was made Assistant Director. He was appointed Head of the Institute's Design Department in 1922: his work was concentrated on wind tunnels and gliders, but later included aerodynamic calculations and the construction of all-metal aircraft. His first significant design project was the twin-engined Ant-29 fighter prototype, which appeared in the early 1930s and eventually entered service as the SB-2. However, Tupolev and his wife fell victim to Stalin's purges in 1937: she was sent to a labour camp and he was imprisoned, but in 1943 both were rehabilitated and Tupolev was able to resume his design work. He devoted his attention to long-range strategic bombers, the first of these being the Tu-4, a copy of the US B-29, followed by the Tu-70 bomber. He also designed the Tu-104 airliner, and in 1967 he produced the world's first supersonic airliner, the Tu-144. Tupolev also became interested in fast-attack naval craft and designed a number of torpedo launches, and he rose to the rank of Lieutenant-General in the Soviet air force's Engineering and Technical Service.[br]Principal Honours and DistinctionsHonoured Scientist and Technologist RSFSR 1933. Hero of Socialist Labour 1945. Member of the Supreme Soviet 1950–58. Member of the Soviet Academy of Sciences 1953. Lenin Prize 1957. Stalin Prize.CMBiographical history of technology > Tupolev, Andrei Nikolayevich
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43 stage
2) горн. подвесной полок4) ярус5) стеллаж6) этап; стадия; период; фаза; очередь ( строительства)7) каскад; ступень9) отрезок маршрута; ж.-д. перегон10) ракетная ступень; ракетный блок; отсек11) кинопавильон12) предметный столик ( микроскопа)14) полигр. травить ( клише) с выкрыванием; выкрывать, корректировать ( копию)•-
adaptor stage
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all-cryogenic stage
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all-reusable stage
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A-stage
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axial flow compressor stage
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axial stage
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ballistic stage
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blue-print stage
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brick-layer's stage
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buffer stage
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carbonization stage
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central core stage
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centrifugal compressor stage
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centripetal compressor stage
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char-forming stage
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CNC postprocessor stage
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commercial prototype stage
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completed veneer stage
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compressor stage
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conceptual stage
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core stage
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C-stage
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design stage
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development stage
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differential stage
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double-ended stage
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drive stage
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driver stage
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electrochemical stage
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electrode stage
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equilibrium stage
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equipping stage
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expendable stage
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experimental stage
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extraction stage
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fabricable stage
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final stage
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flood stage
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flood-crest stage
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fully reusable stage
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furnace stage
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groundwater stage
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growth stage
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impulse stage
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indexing stage
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input stage
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intermediate stage
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killer stage
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landing stage
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liquid stage
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low stage
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mixed flow compressor stage
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neck stage
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object stage
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output stage
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partial stage
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partially reusable stage
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pilot stage
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planning stage
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plastic stage
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postpressing stage
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prepressing stage
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preselector stage
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pressure stage
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production stage
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prototype stage
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reaction stage
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research stage
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return stage
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reusable stage
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scanning stage
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scheduling stage
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semireusable stage
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single-ended stage
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solid stage
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specimen stage
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stage of depletion
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start-up stage
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stepover stage
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testing stage
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tipping stage
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turbine stage
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verification stages -
44 software development
разработка ПО, программированиеметодология и совокупность этапов создания программы, приложения, системы. Для встраиваемого ПО на первых этапах его разработки обычно используется компьютерное моделирование (simulation), поскольку (если) ещё не создана целевая аппаратура; следующие этапы - это лабораторные прототипы (laboratory prototype), пилотные прототипы (pilot prototype) и, наконец, реальная производственная система (production system)Англо-русский толковый словарь терминов и сокращений по ВТ, Интернету и программированию. > software development
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45 phase
фаза; стадия, этап; фазировать, синхронизировать по фазеatmospheric phase of launch — ркт. атмосферный этап или участок выведения
heliocentric phase of the mission — ксм. этап полёта по гелиоцентрической траектории
phase of the hop — разг. этап полёта
— phase in -
46 DPT
1) Общая лексика: Dial-Pulse Termination (телекоммуникации)3) Военный термин: Defensive Petroleum Transfer, Director of Personnel and Training, Director of Plans and Training, development prototype4) Техника: Darlington power transistor, departure control, design-proof tests, diphosphothiamine, drip-proof totally-enclosed5) Оптика: digital piezoelectric translator6) Телекоммуникации: Dial Pulse Terminate, Dynamic Packet Transport7) Сокращение: dripproof totally enclosed, Driver-Prologue Table8) Физиология: Diphtheria, pertussis, tetanus immunization9) Сленг: дипропилфитамин (галлюциноген типа ЛСД)10) Вычислительная техника: Drive Parameter Table, drive parameter tracking, Dynamic Packet Transport (Cisco), Distributed Processing Technology (Hersteller)11) Нефть: deep pool test, опорная скважина, пробуренная в глубоко залегающий коллектор (deep pool test), (E) Deep (Electromagnetic) Propagation Tool13) Образование: Diphtheria Pertussis And Tetanus14) Автоматика: data processing technology15) Контроль качества: design proof test, dye-penetrant test-контроль цветным методом16) Нефть и газ: differential pressure transmitter17) Должность: Doctor of Physical Therapy18) Международная торговля: Double Protective Treatment -
47 dpt
1) Общая лексика: Dial-Pulse Termination (телекоммуникации)3) Военный термин: Defensive Petroleum Transfer, Director of Personnel and Training, Director of Plans and Training, development prototype4) Техника: Darlington power transistor, departure control, design-proof tests, diphosphothiamine, drip-proof totally-enclosed5) Оптика: digital piezoelectric translator6) Телекоммуникации: Dial Pulse Terminate, Dynamic Packet Transport7) Сокращение: dripproof totally enclosed, Driver-Prologue Table8) Физиология: Diphtheria, pertussis, tetanus immunization9) Сленг: дипропилфитамин (галлюциноген типа ЛСД)10) Вычислительная техника: Drive Parameter Table, drive parameter tracking, Dynamic Packet Transport (Cisco), Distributed Processing Technology (Hersteller)11) Нефть: deep pool test, опорная скважина, пробуренная в глубоко залегающий коллектор (deep pool test), (E) Deep (Electromagnetic) Propagation Tool13) Образование: Diphtheria Pertussis And Tetanus14) Автоматика: data processing technology15) Контроль качества: design proof test, dye-penetrant test-контроль цветным методом16) Нефть и газ: differential pressure transmitter17) Должность: Doctor of Physical Therapy18) Международная торговля: Double Protective Treatment -
48 model
1) модель (1. упрощённое представление объекта, процесса или явления; структурная аналогия 2. макет 3. образец; эталон; шаблон 4. пример; тип 5. стиль; дизайн) || моделировать (1. создавать упрощённое представление объекта, процесса или явления; пользоваться структурной аналогией 2. макетировать 3. создавать образец, эталон или шаблон 4. пользоваться примером; относить к определённому типу) || модельный (1. относящийся к упрощённому представлению объекта, процесса или явления; использующий структурную аналогию 2. макетный 3. образцовый; эталонный; шаблонный 4. примерный; типовой)2) служить моделью; выполнять функции модели3) создавать по образцу, эталону или шаблону4) придерживаться определённого стиля; следовать выбранному дизайну•- 2-D model
- adaptive expectations model
- additive model of neural network
- analog model
- antenna scale model
- application domain model
- AR model
- ARCH model
- ARDL model
- ARIMA model
- ARMA model
- atmospheric density model
- autoregressive conditional heteroscedastic model
- autoregressive distributed lags model
- autoregressive integrated moving average model
- autoregressive moving average model
- band model
- behavioral model
- Benetton model
- Berkeley short-channel IGFET model
- binary model
- binary choice model
- Bohr-Sommerfeld model
- Bohr-Sommerfeld model of atom
- Box-Jenkins model
- Bradley-Terry-Luce model
- brain-state-in-a-box model
- breadboard model
- Brookings models
- BSB model
- business model
- CAD model
- capability maturity model
- carrier-storage model
- causal model
- censored model
- centralized model
- charge-control model
- Chen model
- classical normal linear regression model
- classical regression model
- client-server model
- CMY model
- CMYK model
- cobweb model
- collective-electron model
- color model
- compact model
- component object model
- computer model
- computer-aided-design model
- conceptual model of hypercompetition
- conceptual data model
- conductor impedance model
- congruent model
- connectionist model
- continuum model
- Cox proportional hazards regression model
- data model
- Davidson-Hendry-Srba-Yeo model
- descriptive model
- design model
- deterministic model
- DHSY model
- discrete choice model
- distributed component object model
- distributed computing model
- distributed lags model
- distributed system object model
- distribution-free model
- document object model
- domain model
- domain architecture model
- duration model
- dynamic model
- EER-model
- energy-gap model
- entity-relationship model
- ER-model
- error correction model
- errors-in-variables model
- experimental model
- extended entity-relationship model
- extended relational model
- extended relational data model
- extensional model
- ferromagnetic Fermi-liquid model
- file level model
- financial model
- finite-population model
- fixed-effects model
- flat Earth model
- flat free model of advertising
- formalized model
- fractal model
- frame model
- fuzzy model
- GARCH model
- generalized autoregressive conditional heteroscedastic model
- generalized linear model
- geometric model
- geometrical lags model
- gross-level model
- ground-environment model
- Haken-Kelso-Bunz model
- Heisenberg model
- heuristic model
- hierarchical data model
- HLS model
- holographic model
- HSB model
- HSV model
- Hubbard model
- huge model
- hybrid-pi model
- hypothesis model
- ideal model
- imaging model
- indexed colors model
- information model
- information-logical model
- intensional model
- intercept-only model
- ionospheric model
- irreversible growth model
- Ising model
- ISO/OSI reference model
- Klein model
- Kronig-Penney model
- L*a*b* model
- large model
- large-signal device model
- LCH model
- learning, induction and schema abstraction model
- life cycle model
- limited dependent variable model
- linear model
- linear probability model
- LISA model
- logical model
- logical-linguistic model
- logistic model
- logit model
- loglinear model
- Londons' model of superconductivity
- lookup-table model
- Lorentz model
- low-signal device model
- machine model
- macrolevel model
- magnetic hysteresis model
- magnetohydrodynamic plasma model
- mathematical model
- matrix-memory model
- medium model
- memory model
- MHD plasma model
- microlevel model
- Minsky model
- Minsky frame model
- mixed model
- molecular-field model
- moving average model
- multiple regression model
- multiplicative model
- nested model
- network model
- network data model
- non-nested model
- non-parametric model
- N-state Potts model
- N-tier model
- null model
- object model
- object data model
- one-dimensional model
- one-fluid plasma model
- operations model
- optimizing model
- parabolic-ionosphere model
- parametric model
- parsimonious model
- partial adjustment model
- phenomenological model
- physical model
- pilot model
- Pippard nonlocal model
- plant model
- Poisson model
- polar model
- polynomial lags model
- postrelational model
- postrelational data model
- Potts model
- predictive model
- Preisach model
- preproduction model
- price model of advertising
- probabilistic model
- probit model
- proportional hazard model
- proportional-odds model
- prototype model
- quadratic model
- qualitative dependent variable model
- quantum mechanical model of superconductivity
- quasi-equilibrium model
- quasi-linear model
- random coefficients model
- random-effects model
- register model
- relational model
- relational data model
- relative model
- representative model
- response-surface model
- RGB model
- Ridley-Watkins-Hilsum model
- rival models
- Rössler model
- RWH model
- saturated model
- scalar model
- SCSI architecture model
- semantic model
- semiotic model
- sharply bounded ionosphere model
- simulation model
- single-ion model
- Skyrme model
- small model
- small-signal device model
- solid model
- spherical Earth model
- state-space model
- statistical model
- stochastic model
- Stoner-Wohlfart model
- structural model
- stuck-at-fault model
- surface model
- symbolic model
- symbolic-form model
- synergetic model
- system model
- system object model
- test model
- thermodynamical model
- three-tier model
- tobit model
- transistor model
- translog model
- tropospheric model
- true model
- truncated model
- two-dimensional model
- two-dimensional regression model
- two-fluid model of superconductivity
- two-fluid plasma model
- two-tier model
- Van der Ziel's noise model
- variable parameter model
- vector model
- wire-frame model
- working model -
49 model
1) модель (1. упрощённое представление объекта, процесса или явления; структурная аналогия 2. макет 3. образец; эталон; шаблон 4. пример; тип 5. стиль; дизайн) || моделировать (1. создавать упрощённое представление объекта, процесса или явления; пользоваться структурной аналогией 2. макетировать 3. создавать образец, эталон или шаблон 4. пользоваться примером; относить к определённому типу) || модельный (1. относящийся к упрощённому представлению объекта, процесса или явления; использующий структурную аналогию 2. макетный 3. образцовый; эталонный; шаблонный 4. примерный; типовой)2) служить моделью; выполнять функции модели3) создавать по образцу, эталону или шаблону4) придерживаться определённого стиля; следовать выбранному дизайну•- 2-D model
- adaptive expectations model
- additive model of neural network
- analog model
- antenna scale model
- application domain model
- AR model
- ARCH model
- ARDL model
- ARIMA model
- ARMA model
- atmospheric density model
- autoregressive conditional heteroscedastic model
- autoregressive distributed lags model
- autoregressive integrated moving average model
- autoregressive model
- autoregressive moving average model
- band model
- behavioral model
- Benetton model
- Berkeley short-channel IGFET model
- binary choice model
- binary model
- Bohr-Sommerfeld model of atom
- Bohr-Sommerfeld model
- Box-Jenkins model
- Bradley-Terry-Luce model
- brain-state-in-a-box model
- breadboard model
- Brookings models
- BSB model
- business model
- CAD model
- capability maturity model
- carrier-storage model
- causal model
- censored model
- centralized model
- charge-control model
- Chen model
- classical normal linear regression model
- classical regression model
- client-server model
- CMY model
- CMYK model
- cobweb model
- collective-electron model
- color model
- compact model
- component object model
- computer model
- computer-aided-design model
- conceptual data model
- conceptual model of hypercompetition
- conductor impedance model
- congruent model
- connectionist model
- continuum model
- Cox proportional hazards regression model
- data model
- Davidson-Hendry-Srba-Yeo model
- descriptive model
- design model
- deterministic model
- DHSY model
- discrete choice model
- distributed component object model
- distributed computing model
- distributed lags model
- distributed system object model
- distribution-free model
- document object model
- domain architecture model
- domain model
- duration model
- dynamic model
- EER-model
- energy-gap model
- entity-relationship model
- ER-model
- error correction model
- errors-in-variables model
- experimental model
- extended entity-relationship model
- extended relational data model
- extended relational model
- extensional model
- ferromagnetic Fermi-liquid model
- file level model
- financial model
- finite-population model
- fixed-effects model
- flat Earth model
- flat free model of advertising
- formalized model
- fractal model
- frame model
- fuzzy model
- GARCH model
- generalized autoregressive conditional heteroscedastic model
- generalized linear model
- geometric model
- geometrical lags model
- gross-level model
- ground-environment model
- Haken-Kelso-Bunz model
- Heisenberg model
- heuristic model
- hierarchical data model
- HLS model
- holographic model
- HSB model
- HSV model
- Hubbard model
- huge model
- hybrid-pi model
- hypothesis model
- ideal model
- imaging model
- indexed colors model
- information model
- information-logical model
- intensional model
- intercept-only model
- ionospheric model
- irreversible growth model
- Ising model
- ISO/OSI reference model
- Klein model
- Kronig-Penney model
- L*a*b* model
- large model
- large-signal device model
- LCH model
- learning, induction and schema abstraction model
- life cycle model
- limited dependent variable model
- linear model
- linear probability model
- LISA model
- logical model
- logical-linguistic model
- logistic model
- logit model
- loglinear model
- Londons' model of superconductivity
- lookup-table model
- Lorentz model
- low-signal device model
- machine model
- macrolevel model
- magnetic hysteresis model
- magnetohydrodynamic plasma model
- mathematical model
- matrix-memory model
- medium model
- memory model
- MHD plasma model
- microlevel model
- Minsky frame model
- Minsky model
- mixed model
- molecular-field model
- moving average model
- multiple regression model
- multiplicative model
- nested model
- network data model
- network model
- non-nested model
- non-parametric model
- N-state Potts model
- N-tier model
- null model
- object data model
- object model
- one-dimensional model
- one-fluid plasma model
- operations model
- optimizing model
- parabolic-ionosphere model
- parametric model
- parsimonious model
- partial adjustment model
- phenomenological model
- physical model
- pilot model
- Pippard nonlocal model
- plant model
- Poisson model
- polar model
- polynomial lags model
- postrelational data model
- postrelational model
- Potts model
- predictive model
- Preisach model
- preproduction model
- price model of advertising
- probabilistic model
- probit model
- proportional hazard model
- proportional-odds model
- prototype model
- quadratic model
- qualitative dependent variable model
- quantum mechanical model of superconductivity
- quasi-equilibrium model
- quasi-linear model
- random coefficients model
- random-effects model
- register model
- relational data model
- relational model
- relative model
- representative model
- response-surface model
- RGB model
- Ridley-Watkins-Hilsum model
- rival models
- Rössler model
- RWH model
- saturated model
- scalar model
- SCSI architecture model
- semantic model
- semiotic model
- sharply bounded ionosphere model
- simulation model
- single-ion model
- Skyrme model
- small model
- small-signal device model
- solid model
- spherical Earth model
- state-space model
- statistical model
- stochastic model
- Stoner-Wohlfart model
- structural model
- stuck-at-fault model
- surface model
- symbolic model
- symbolic-form model
- synergetic model
- system model
- system object model
- test model
- thermodynamical model
- three-tier model
- tobit model
- transistor model
- translog model
- tropospheric model
- true model
- truncated model
- two-dimensional model
- two-dimensional regression model
- two-fluid model of superconductivity
- two-fluid plasma model
- two-tier model
- Van der Ziel's noise model
- variable parameter model
- vector model
- wire-frame model
- working modelThe New English-Russian Dictionary of Radio-electronics > model
-
50 aircraft
1. (атмосферный) летательный аппарат [аппараты], воздушное судно [суда]; самолет(ы); вертолет(ы);см. тж. airplane,2. авиация/ авиационный; бортовой <об оборудовании ЛА>4-D aircraft4-D equipped aircraft9-g aircraftADF aircraftadvanced-technology aircraftadversary aircraftaerobatic aircraftaft-tail aircraftaggressor aircraftagile aircraftagricultural aircraftair defence aircraftair-refuellable aircraftair-to-ground aircraftairborne early warning and control aircraftalert aircraftall-digital aircraftall-training aircraftall-electric aircraftall-metal aircraftall-new aircraftall-out stealth aircraftall-weather aircraftamateur built aircraftamphibious aircraftantisubmarine warfare aircraftaround-the-world aircraftartificial-stability aircraftasymmetric aircraftattack aircraftattrition aircraftaugmented aircraftautomated aircraftbackside aircraftBAI aircraftbalanced aircraftbattle-damaged aircraftbattle-tolerant aircraftbattlefield aircraftbulbous-nosed aircraftbuoyant quad-rotor aircraftbush aircraftbusiness aircraftbusiness-class aircraftcalibrated pace aircraftcanard aircraftcanard controlled aircraftcanard-configured aircraftcanard-winged aircraftcargo aircraftcargo-capable aircraftcarrier aircraftcarrier-based aircraftcarrier-qualified aircraftCAS aircraftcenterstick aircraftcenterstick controlled aircraftChristmas tree aircraftclass IV aircraftclear weather reconnaissance aircraftclose-coupled canard aircraftcoated aircraftcombat air patrol aircraftcombat training aircraftcombat-damaged aircraftcombat-loaded aircraftcombi aircraftcombustible fuel aircraftcommuter aircraftcomposite material aircraftcomposite-built aircraftcomposite-wing aircraftcomputer-generated aircraftconceptual aircraftconceptual design aircraftconflicting aircraftcontrol reconfigurable aircraftcontrol-by-wire aircraftconventional tailled aircraftconventional take-off and landing aircraftconventional variable-sweep aircraftconventionally designed aircraftcorporate aircraftcounter insurgency aircraftcropspray aircraftcropspraying aircraftcruise matched aircraftcruise-designed aircraftCTOL aircraftcurrent-generation aircraftdamage tolerant aircraftday-only aircraftday/night aircraftde-iced aircraftdefence-suppression aircraftdelta-wing aircraftdemonstrator aircraftdevelopment aircraftdevelopmental aircraftdivergence prone aircraftdouble-deck aircraftdrug interdiction aircraftdrug-smuggling aircraftdual-capable aircraftducted-propeller aircraftdynamically stable aircraftdynamically unstable aircraftEarth resources research aircraftEarth resources survey aircraftejector-powered aircraftElint aircraftEMP-hardened aircraftex-airline aircraftFAC aircraftfake aircraftfan-in-wing aircraftfan-powered aircraftfirefighting aircraftfixed-cycle engine aircraftfixed-landing-gear aircraftfixed-planform aircraftfixed-wing aircraftflexible aircraftflight inspection aircraftflight loads aircraftflight refuelling aircraftflight test aircraftflightworthy aircraftfly-by-wire aircraftflying-wing aircraftforgiving aircraftforward air control aircraftforward-swept-wing aircraftfour-dimensional equipped aircraftfreely flying aircraftfreighter aircraftfriendly aircraftfront-line aircraftFSD aircraftfuel efficient aircraftfuel-hungry aircraftfull-scale aircraftfull-scale development aircraftfull-size aircraftfully-capable aircraftfully-tanked aircraftgap filler aircraftgas turbine-powered aircraftground-hugging aircraftgull-winged aircraftheavy-lift aircrafthigh-Mach aircrafthigh-alpha research aircrafthigh-cycle aircrafthigh-demand aircrafthigh-drag aircrafthigh-dynamic-pressure aircrafthigh-flying aircrafthigh-life aircrafthigh-performance aircrafthigh-speed aircrafthigh-tail aircrafthigh-technology aircrafthigh-thrust aircrafthigh-time aircrafthigh-wing aircrafthigh-winged aircrafthighest cycle aircrafthighest flight-cycle aircrafthighly agile aircrafthighly augmented aircrafthighly glazed aircrafthighly maneuverable aircrafthighly unstable aircraftholding aircrafthome-based aircrafthome-built aircrafthovering aircrafthydrocarbon-fueled aircrafthydrogen fueled aircrafthypersonic aircraftice-cloud-generating aircrafticing-research aircraftidealized aircraftIFR-equipped aircraftin-production aircraftinterrogating aircraftintratheater airlift aircraftintratheater lift aircraftintruder aircraftinventory aircraftjamming aircraftjet aircraftjet-flap aircraftjet-flapped aircraftjet-powered aircraftjet-propelled aircraftjoined-wing aircraftJTIDS aircraftjump aircraftK/s like aircraftkit-based aircraftkit-built aircraftland aircraftland-based aircraftlarge aircraftlarge-production-run aircraftlaunch aircraftlaunching aircraftlead aircraftleading aircraftleased aircraftLevel 1 aircraftlift plus lift-cruise aircraftlight aircraftlight-powered aircraftlighter-than-air aircraftlong-haul aircraftlong-winged aircraftlongitudinally unstable aircraftlook-down, shoot-down capable aircraftlow-boom aircraftlow-cost aircraftlow-observability aircraftlow-observable aircraftlow-powered aircraftlow-rate production aircraftlow-RCS aircraftlow-speed aircraftlow-time aircraftlow-to-medium speed aircraftlow-wing aircraftlow-winged aircraftlowest weight aircraftMach 2 aircraftman-powered aircraftmanned aircraftmarginally stable aircraftmechanically-controlled aircraftmechanically-signalled aircraftmedevac-equipped aircraftmicrolight aircraftmicrowave-powered aircraftmid-wing aircraftmid-winged aircraftminimum weight aircraftmission aircraftmission-ready aircraftmultibody aircraftmultimission aircraftmultipropeller aircraftmultipurpose aircraftnarrow-bodied aircraftnaturally unstable aircraftneutrally stable aircraftnew-built aircraftnew-technology aircraftnight fighting aircraftnight-capable aircraftnight-equipped aircraftnonagile aircraftnonalert aircraftnonautomated aircraft1950s-vintage aircraftnonflying test aircraftnonpressurized aircraftnonstealth aircraftnontransponder-equipped aircraftnonpropulsive-lift aircraftnortheastwardly launching aircraftnuclear-hardened aircraftnuclear-strike aircraftoblique-wing aircraftocean patrol aircraftoff-the-shelf aircraftoffensive aircraftolder-generation aircraftout-of-production aircraftoutbound aircraftpace aircraftparasol-winged aircraftparked aircraftpartial mission-capable aircraftpatrol aircraftpiston aircraftpiston-engine aircraftpiston-powered aircraftpiston-prop aircraftpivoting oblique wing aircraftpoint-design aircraftpowered-lift aircraftprecision strike aircraftprobe-equipped aircraftproduction aircraftproduction-line aircraftproof-of-concept aircraftprop-rotor aircraftpropeller aircraftpropeller-powered aircraftpropulsive-lift aircraftprototype aircraftpublic-transport aircraftpurpose-built aircraftpusher aircraftpusher-propelled aircraftquad-rotor aircraftradar test aircraftRAM-treated aircraftready aircraftrear-engined aircraftreceiving aircraftrecent-technology aircraftreconnaissance aircraftrefueling aircraftremanufactured aircraftresearch aircraftretrofit aircraftRogallo-winged aircraftrollout aircraftrotary-wing aircraftrotary-winged aircraftrotodome-equipped aircraftsafely spinnable aircraftscaled-down aircraftscaled-up aircraftscissor-wing aircraftsea-based aircraftsecond-hand aircraftself-repairing aircraftsensor-carrying aircraftshort range aircraftshort takeoff and vertical landing aircraftshort-coupled flying wing aircraftshort-haul aircraftside-inlet aircraftsideslipping aircraftsilent aircraftsingle engine aircraftsingle-pilot aircraftsingle-service aircraftsized aircraftsized optimized aircraftslender-delta aircraftSLEPed aircraftsmall-tailed aircraftsmuggler aircraftsolar-powered aircraftspecial operations aircraftspin-proof aircraftspinning aircraftstatically stable aircraftstatically unstable aircraftstealth aircraftstealthy aircraftSTOL aircraftstopped-rotor aircraftstored aircraftSTOVL aircraftstraight-tube aircraftstraight-wing aircraftstraight-winged aircraftstretched aircraftstrike aircraftstrike-control aircraftsub-scale aircraftsubmarine communications relay aircraftsunken aircraftsuperaugmented aircraftsupersonic cruise aircraftsupportable aircraftsurveillance aircraftswing-wing aircraftT-tail aircrafttactical aircrafttactical-type aircrafttail-aft aircrafttail-first aircrafttailless aircrafttailwheel aircrafttandem-seat aircrafttandem-wing aircrafttarget-towing aircraftTCAS-equipped aircrafttest aircraftthreat aircraftthree-pilot aircraftthree-surface aircraftthrust-vector-control aircrafttilt-fold-rotor aircrafttilt-proprotor aircrafttilt-rotor aircrafttilt-wing aircrafttop-of-the-range aircrafttrailing aircrafttrainer cargo aircrafttrajectory stable aircrafttransoceanic-capable aircrafttransonic aircrafttransonic maneuvering aircrafttransport aircrafttransport-size aircrafttrimmed aircrafttrisurface aircrafttug aircraftturbine-powered aircraftturboprop aircraftturbopropeller aircraftTVC aircrafttwin-aisle aircrafttwin-engined aircrafttwin-fuselage aircrafttwin-jet aircrafttwin-tailed aircrafttwin-turboprop aircrafttwo-aircrew aircrafttwo-crew aircrafttwo-pilot aircrafttwo-place aircraftultrahigh-bypass demonstrator aircraftultralight aircraftundesignated aircraftunpressurized aircraftunslatted aircraftutility aircraftV/STOL aircraftvariable-stability aircraftVATOL aircraftvector thrust controlled aircraftvectored aircraftvectored thrust aircraftversatile aircraftvertical attitude takeoff and landing aircraftVFR aircraftviolently maneuvering aircraftVTOL aircraftwater tanker aircraftweapons-delivery test aircraftweight-shift aircraftwell-behaved aircraftwide-body aircraftwing-in-ground effect aircraftX aircraftX-series aircraftX-wing aircraftyaw-vane-equipped aircraft -
51 phase
1. фаза/ фазовый2. этап; участок; стадияapproach phasecat A flight phasecat C flight phasecategory A flight phaseclimb phaseclosed-loop phaseconception phaseconceptual phasecruise phasedefinition phasedemonstration/validation phasedemval phasedescent phasedesign phasedesign-verification phaseexploratory phasefeasibility conceptual phaseflight phaseflight clearance phasefull-scale definition phasehigh-maneuverability phasehigh-workload phaseinitial conceptual phaselanding phaselow-workload phasemidcourse phasenosewheel lowering phaseproject definition phaseprototype phasespin phasestructural demonstration phasesupersonic dash phasetakeoff phaseterminal phasetouchdown phasetransit phasetransition phase -
52 stage
стадия, этап; ступень; звено; каскад; отрезок ( маршрута)stage of the countdown — ркт. этап счета времени (при подготовке к пуску)
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53 work
работа, операция; конструкцияwork up and down — выпускать(ся) и убирать(ся) (о шасси, закрылках)
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54 Albone, Daniel
[br]b. c.1860 Biggleswade, Bedfordshire, Englandd. 1906 England[br]English engineer who developed and manufactured the first commercially successful lightweight tractor.[br]The son of a market gardener, Albone's interest lay in mechanics, and by 1880 he had established his own business as a cycle maker and repairer. His inventive mind led to a number of patents relating to bicycle design, but his commercial success was particularly assisted by his achievements in cycle racing. From this early start he diversified his business, designing and supplying, amongst other things, axle bearings for the Great Northern Railway, and also building motor cycles and several cars. It is possible that he began working on tractors as early as 1896. Certainly by 1902 he had built his first prototype, to the three-wheeled design that was to remain in later production models. Weighing only 30 cwt, yet capable of pulling two binders or a two-furrow plough, Albone's Ivel tractor was ahead of anything in its time, and its power-to-weight ratio was to be unrivalled for almost a decade. Albone's commercial success was not entirely due to the mechanical tractor's superiority, but owed a considerable amount to his ability as a showman and demonstrator. He held two working demonstrations a month in the village of Biggleswade in Bedfordshire, where the tractors were made. The tractor was named after the river Ivel, which flowed through the village. The Ivel tractor gained twenty-six gold and silver medals at agricultural shows between 1902 and 1906, and was a significant contributor to Britain's position as the world's largest exporter of tractors between 1904 and 1914. Albone tried other forms of his tractor to increase its sales. He built a fire engine, and also an armoured vehicle, but failed to impress the War Office with its potential.Albone died at the age of 46. His tractor continued in production but remained essentially unimproved, and the company finally lost its sales to other designs, particularly those of American origin.[br]Further ReadingDetailed contemporary accounts of tractor development occur in the British periodical Implement and Machinery Review. Accounts of the Ivel appear in "The Trials of Agricultural Motors", Journal of the Royal Agricultural Society of England (1910), pp. 179–99. A series of general histories by Michael Williams have been published by Blandfords, of which Classic Farm Tractors (1984) includes an entry on the Ivel.AP -
55 Bell, Revd Patrick
SUBJECT AREA: Agricultural and food technology[br]b. 1799 Auchterhouse, Scotlandd. 22 April 1869 Carmyllie, Scotland[br]Scottish inventor of the first successful reaping machine.[br]The son of a Forfarshire tenant farmer, Patrick Bell obtained an MA from the University of St Andrews. His early association with farming kindled an interest in engineering and mechanics and he was to maintain a workshop not only on his father's farm, but also, in later life, at the parsonage at Carmyllie.He was still studying divinity when he invented his reaping machine. Using garden shears as the basis of his design, he built a model in 1827 and a full-scale prototype the following year. Not wishing the machine to be seen during his early experiments, he and his brother planted a sheaf of oats in soil laid out in a shed, and first tried the machine on this. It cut well enough but left the straw in a mess behind it. A canvas belt system was devised and another secret trial in the barn was followed by a night excursion into a field, where corn was successfully harvested.Two machines were at work during 1828, apparently achieving a harvest rate of one acre per hour. In 1832 there were ten machines at work, and at least another four had been sent to the United States by this time. Despite their success Bell did not patent his design, feeling that the idea should be given free to the world. In later years he was to regret the decision, feeling that the many badly-made imitations resulted in its poor reputation and prevented its adoption.Bell's calling took precedence over his inventive interests and after qualifying he went to Canada in 1833, spending four years in Fergus, Ontario. He later returned to Scotland and be-came the minister at Carmyllie, with a living of £150 per annum.[br]Principal Honours and DistinctionsLate in the day he was honoured for his part in the development of the reaping machine. He received an honorary degree from the University of St Andrews and in 1868 a testimonial and £1,000 raised by public subscription by the Highland and Agricultural Society of Scotland.Bibliography1854, Journal of Agriculture (perhaps stung by other claims, Bell wrote his own account).Further ReadingG.Quick and W.Buchele, 1978, The Grain Harvesters, American Society of Agricultural Engineers (gives an account of the development of harvesting machinery).L.J.Jones, 1979, History of Technology, pp. 101–48 (gives a critical assessment of the various claims regarding the originality of the invention).J.Hendrick, 1928, Transactions of the Highland and Agricultural Society of Scotland, pp.51–69 (provides a celebration of Bell's achievement on its centenary).AP -
56 Bulleid, Oliver Vaughan Snell
[br]b. 19 September 1882 Invercargill, New Zealandd. 25 April 1970 Malta[br]New Zealand (naturalized British) locomotive engineer noted for original experimental work in the 1940s and 1950s.[br]Bulleid's father died in 1889 and mother and son returned to the UK from New Zealand; Bulleid himself became a premium apprentice under H.A. Ivatt at Doncaster Works, Great Northern Railway (GNR). After working in France and for the Board of Trade, Bulleid returned to the GNR in 1912 as Personal Assistant to Chief Mechanical Engineer H.N. Gresley. After a break for war service, he returned as Assistant to Gresley on the latter's appointment as Chief Mechanical Engineer of the London \& North Eastern Railway in 1923. He was closely associated with Gresley during the late 1920s and early 1930s.In 1937 Bulleid was appointed Chief Mechanical Engineer of the Southern Railway (SR). Concentration of resources on electrification had left the Southern short of up-to-date steam locomotives, which Bulleid proceeded to provide. His first design, the "Merchant Navy" class 4–6– 2, appeared in 1941 with chain-driven valve gear enclosed in an oil-bath, and other novel features. A powerful "austerity" 0−6−0 appeared in 1942, shorn of all inessentials to meet wartime conditions, and a mixed-traffic 4−6−2 in 1945. All were largely successful.Under Bulleid's supervision, three large, mixed-traffic, electric locomotives were built for the Southern's 660 volt DC system and incorporated flywheel-driven generators to overcome the problem of interruptions in the live rail. Three main-line diesel-electric locomotives were completed after nationalization of the SR in 1948. All were carried on bogies, as was Bulleid's last steam locomotive design for the SR, the "Leader" class 0−6−6−0 originally intended to meet a requirement for a large, passenger tank locomotive. The first was completed after nationalization of the SR, but the project never went beyond trials. Marginally more successful was a double-deck, electric, suburban, multiple-unit train completed in 1949, with alternate high and low compartments to increase train capacity but not length. The main disadvantage was the slow entry and exit by passengers, and the type was not perpetuated, although the prototype train ran in service until 1971.In 1951 Bulleid moved to Coras Iompair Éireann, the Irish national transport undertaking, as Chief Mechanical Engineer. There he initiated a large-scale plan for dieselization of the railway system in 1953, the first such plan in the British Isles. Simultaneously he developed, with limited success, a steam locomotive intended to burn peat briquettes: to burn peat, the only native fuel, had been a long-unfulfilled ambition of railway engineers in Ireland. Bulleid retired in 1958.[br]BibliographyBulleid took out six patents between 1941 and 1956, covering inter alia valve gear, boilers, brake apparatus and wagon underframes.Further ReadingH.A.V.Bulleid, 1977, Bulleid of the Southern, Shepperton: Ian Allan (a good biography written by the subject's son).C.Fryer, 1990, Experiments with Steam, Wellingborough: Patrick Stephens (provides details of the austerity 0–6–0, the "Leader" locomotive and the peat-burning locomotive: see Chs 19, 20 and 21 respectively).PJGRBiographical history of technology > Bulleid, Oliver Vaughan Snell
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57 Camm, Sir Sydney
[br]b. 5 August 1893 Windsor, Berkshire, Englandd. 12 March 1966 Richmond, Surrey, England[br]English military aircraft designer.[br]He was the eldest of twelve children and his father was a journeyman carpenter, in whose footsteps Camm followed as an apprentice woodworker. He developed an early interest in aircraft, becoming a keen model maker in his early teens and taking a major role in founding a local society to this end, and in 1912 he designed and built a glider able to carry people. During the First World War he worked as a draughtsman for the aircraft firm Martinsyde, but became increasingly involved in design matters as the war progressed. In 1923 Camm was recruited by Sopwith to join his Hawker Engineering Company as Senior Draughtsman, but within two years had risen to be Chief Designer. His first important contribution was to develop a method of producing metal aircraft, using welded steel tubes, and in 1926 he designed his first significant aircraft, the Hawker Horsley torpedo-bomber, which briefly held the world long-distance record before it was snatched by Charles Lindbergh in his epic New York-Paris flight in 1927. His Hawker Hart light bomber followed in 1928, after which came his Hawker Fury fighter.By the mid-1930s Camm's reputation as a designer was such that he was able to wield significant influence on the Air Ministry when Royal Air Force (RAF) aircraft specifications were being drawn up. His outstanding contribution came, however, with the unveiling of his Hawker Hurricane in 1935. This single-seater fighter was to prove one of the backbones of the RAF during 1939–45, but during the war he also designed two other excellent fighters: the Tempest and the Typhoon. After the Second World War Camm turned to jet aircraft, producing in 1951 the Hawker Hunter fighter/ground-attack aircraft, which saw lengthy service in the RAF and many other air forces. His most revolutionary contribution was the design of the Harrier jump-jet, beginning with the P.1127 prototype in 1961, followed by the Kestrel three years later. These were private ventures, but eventually the Government saw the enormous merit in the vertical take-off and landing concept, and the Harrier came to fruition in 1967. Sadly Camm, who was on the Board of Sopwith Hawker Siddeley Group, died before the aircraft came into service. He is permanently commemorated in the Camm Memorial Hall at the RAF Museum, Hendon, London.[br]Principal Honours and DistinctionsCBE 1941. Knighted 1953. Associate Fellow of the Royal Aeronautical Society 1918, Fellow 1932, President 1954–5, Gold Medal 1958. Daniel Guggenheim Medal (USA) 1965.Further ReadingAlan Bramson, 1990, Pure Luck: The Authorized Biography of Sir Thomas Sopwith, 1888–1989, Wellingborough: Patrick Stephens (provides information about Camm and his association with Sopwith).Dictionary of National Biography, 1961–70.CM -
58 Ferguson, Harry
SUBJECT AREA: Agricultural and food technology[br]b. 4 November 1884 County Down, Irelandd. 25 October 1960 England[br]Irish engineer who developed a tractor hydraulic system for cultivation equipment, and thereby revolutionized tractor design.[br]Ferguson's father was a small farmer who expected his son to help on the farm from an early age. As a result he received little formal education, and on leaving school joined his brother in a backstreet workshop in Belfast repairing motor bikes. By the age of 19 he had built his own bike and began hill-climbing competitions and racing. His successes in these ventures gained useful publicity for the workshop. In 1907 he built his own car and entered it into competitions, and in 1909 became the first person in Britain to build and fly a machine that was heavier than air.On the outbreak of the First World War he was appointed by the Irish Department of Agriculture to supervise the operation and maintenance of all farm tractors. His experiences convinced him that even the Ford tractor and the implements available for it were inadequate for the task, and he began to experiment with his own plough designs. The formation of the Ferguson-Sherman Corporation resulted in the production of thousands of the ploughs he had designed for the Ford tractor, but in 1928 Ford discontinued production of tractors, and Ferguson returned to Ireland. He immediately began to design his own tractor. Six years of development led to the building of a prototype that weighed only 16 cwt (813kg). In 1936 David Brown of Huddersfield, Yorkshire, began production of these tractors for Ferguson, but the partnership was not wholly successful and was dissolved after three years. In 1939 Ferguson and Ford reached their famous "Handshake agreement", in which no formal contract was signed, and the mass production of the Ford Ferguson system tractors began that year. During the next nine years 300,000 tractors and a million implements were produced under this agreement. However, on the death of Henry Ford the company began production, under his son, of their own tractor. Ferguson returned to the UK and negotiated a deal with the Standard Motor Company of Coventry for the production of his tractor. At the same time he took legal action against Ford, which resulted in that company being forced to stop production and to pay damages amounting to US$9.5 million.Aware that his equipment would only operate when set up properly, Ferguson established a training school at Stoneleigh in Warwickshire which was to be a model for other manufacturers. In 1953, by amicable agreement, Ferguson amalgamated with the Massey Harris Company to form Massey Ferguson, and in so doing added harvesting machinery to the range of equipment produced. A year later he disposed of his shares in the new company and turned his attention again to the motor car. Although a number of experimental cars were produced, there were no long-lasting developments from this venture other than a four-wheel-drive system based on hydraulics; this was used by a number of manufacturers on occasional models. Ferguson's death heralded the end of these developments.[br]Principal Honours and DistinctionsHonorary DSc Queen's University, Belfast, 1948.Further ReadingC.Murray, 1972, Harry Ferguson, Inventor and Pioneer. John Murray.AP -
59 Hamilton, Harold Lee (Hal)
[br]b. 14 June 1890 Little Shasta, California, USAd. 3 May 1969 California, USA[br]American pioneer of diesel rail traction.[br]Orphaned as a child, Hamilton went to work for Southern Pacific Railroad in his teens, and then worked for several other companies. In his spare time he learned mathematics and physics from a retired professor. In 1911 he joined the White Motor Company, makers of road motor vehicles in Denver, Colorado, where he had gone to recuperate from malaria. He remained there until 1922, apart from an eighteenth-month break for war service.Upon his return from war service, Hamilton found White selling petrol-engined railbuses with mechanical transmission, based on road vehicles, to railways. He noted that they were not robust enough and that the success of petrol railcars with electric transmission, built by General Electric since 1906, was limited as they were complex to drive and maintain. In 1922 Hamilton formed, and became President of, the Electro- Motive Engineering Corporation (later Electro-Motive Corporation) to design and produce petrol-electric rail cars. Needing an engine larger than those used in road vehicles, yet lighter and faster than marine engines, he approached the Win ton Engine Company to develop a suitable engine; in addition, General Electric provided electric transmission with a simplified control system. Using these components, Hamilton arranged for his petrol-electric railcars to be built by the St Louis Car Company, with the first being completed in 1924. It was the beginning of a highly successful series. Fuel costs were lower than for steam trains and initial costs were kept down by using standardized vehicles instead of designing for individual railways. Maintenance costs were minimized because Electro-Motive kept stocks of spare parts and supplied replacement units when necessary. As more powerful, 800 hp (600 kW) railcars were produced, railways tended to use them to haul trailer vehicles, although that practice reduced the fuel saving. By the end of the decade Electro-Motive needed engines more powerful still and therefore had to use cheap fuel. Diesel engines of the period, such as those that Winton had made for some years, were too heavy in relation to their power, and too slow and sluggish for rail use. Their fuel-injection system was erratic and insufficiently robust and Hamilton concluded that a separate injector was needed for each cylinder.In 1930 Electro-Motive Corporation and Winton were acquired by General Motors in pursuance of their aim to develop a diesel engine suitable for rail traction, with the use of unit fuel injectors; Hamilton retained his position as President. At this time, industrial depression had combined with road and air competition to undermine railway-passenger business, and Ralph Budd, President of the Chicago, Burlington \& Quincy Railroad, thought that traffic could be recovered by way of high-speed, luxury motor trains; hence the Pioneer Zephyr was built for the Burlington. This comprised a 600 hp (450 kW), lightweight, two-stroke, diesel engine developed by General Motors (model 201 A), with electric transmission, that powered a streamlined train of three articulated coaches. This train demonstrated its powers on 26 May 1934 by running non-stop from Denver to Chicago, a distance of 1,015 miles (1,635 km), in 13 hours and 6 minutes, when the fastest steam schedule was 26 hours. Hamilton and Budd were among those on board the train, and it ushered in an era of high-speed diesel trains in the USA. By then Hamilton, with General Motors backing, was planning to use the lightweight engine to power diesel-electric locomotives. Their layout was derived not from steam locomotives, but from the standard American boxcar. The power plant was mounted within the body and powered the bogies, and driver's cabs were at each end. Two 900 hp (670 kW) engines were mounted in a single car to become an 1,800 hp (l,340 kW) locomotive, which could be operated in multiple by a single driver to form a 3,600 hp (2,680 kW) locomotive. To keep costs down, standard locomotives could be mass-produced rather than needing individual designs for each railway, as with steam locomotives. Two units of this type were completed in 1935 and sent on trial throughout much of the USA. They were able to match steam locomotive performance, with considerable economies: fuel costs alone were halved and there was much less wear on the track. In the same year, Electro-Motive began manufacturing diesel-electrie locomotives at La Grange, Illinois, with design modifications: the driver was placed high up above a projecting nose, which improved visibility and provided protection in the event of collision on unguarded level crossings; six-wheeled bogies were introduced, to reduce axle loading and improve stability. The first production passenger locomotives emerged from La Grange in 1937, and by early 1939 seventy units were in service. Meanwhile, improved engines had been developed and were being made at La Grange, and late in 1939 a prototype, four-unit, 5,400 hp (4,000 kW) diesel-electric locomotive for freight trains was produced and sent out on test from coast to coast; production versions appeared late in 1940. After an interval from 1941 to 1943, when Electro-Motive produced diesel engines for military and naval use, locomotive production resumed in quantity in 1944, and within a few years diesel power replaced steam on most railways in the USA.Hal Hamilton remained President of Electro-Motive Corporation until 1942, when it became a division of General Motors, of which he became Vice-President.[br]Further ReadingP.M.Reck, 1948, On Time: The History of the Electro-Motive Division of General Motors Corporation, La Grange, Ill.: General Motors (describes Hamilton's career).PJGRBiographical history of technology > Hamilton, Harold Lee (Hal)
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60 Hetzel, Max
[br]b. 5 March 1921 Basle, Switzerland[br]Swiss electrical engineer who invented the tuning-fork watch.[br]Hetzel trained as an electrical engineer at the Federal Polytechnic in Zurich and worked for several years in the field of telecommunications before joining the Bulova Watch Company in 1950. At that time several companies were developing watches with electromagnetically maintained balances, but they represented very little advance on the mechanical watch and the mechanical switching mechanism was unreliable. In 1952 Hetzel started work on a much more radical design which was influenced by a transistorized tuning-fork oscillator that he had developed when he was working on telecommunications. Tuning forks, whose vibrations were maintained electromagnetically, had been used by scientists during the nineteenth century to measure small intervals of time, but Niaudet- Breguet appears to have been the first to use a tuning fork to control a clock. In 1866 he described a mechanically operated tuning-fork clock manufactured by the firm of Breguet, but it was not successful, possibly because the fork did not compensate for changes in temperature. The tuning fork only became a precision instrument during the 1920s, when elinvar forks were maintained in vibration by thermionic valve circuits. Their primary purpose was to act as frequency standards, but they might have been developed into precision clocks had not the quartz clock made its appearance very shortly afterwards. Hetzel's design was effectively a miniaturized version of these precision devices, with a transistor replacing the thermionic valve. The fork vibrated at a frequency of 360 cycles per second, and the hands were driven mechanically from the end of one of the tines. A prototype was working by 1954, and the watch went into production in 1960. It was sold under the tradename Accutron, with a guaranteed accuracy of one minute per month: this was a considerable improvement on the performance of the mechanical watch. However, the events of the 1920s were to repeat themselves, and by the end of the decade the Accutron was eclipsed by the introduction of quartz-crystal watches.[br]Principal Honours and DistinctionsNeuchâtel Observatory Centenary Prize 1958. Swiss Society for Chronometry Gold Medal 1988.Bibliography"The history of the “Accutron” tuning fork watch", 1969, Swiss Watch \& Jewellery Journal 94:413–5.Further ReadingR.Good, 1960, "The Accutron", Horological Journal 103:346–53 (for a detailed technical description).J.D.Weaver, 1982, Electrical \& Electronic Clocks \& Watches, London (provides a technical description of the tuning-fork watch in its historical context).DV
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prototype — [prōt′ə tīp΄] n. [Fr < Gr prōtotypon < prōtotypos, original: see PROTO & TYPE] 1. the first thing or being of its kind; original; model; pattern; archetype 2. a person or thing that serves as a model for one of a later period 3. a full… … English World dictionary
Prototype — A prototype is an original type, form, or instance of something serving as a typical example, basis, or standard for other things of the same category. The word derives from the Greek πρωτότυπον ( prototypon ), archetype, original , neutral of… … Wikipedia
Prototype (disambiguation) — A prototype is something that is representative of a category of things. Prototype may also refer to:;Automobiles* Citroën Prototype C, range of vehicles created by Citroën from 1955 to 1956 * Citroën Prototype Y, project of replacement of the… … Wikipedia