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knowledge+engineer

  • 41 специалист по экспертным системам

    General subject: knowledge engineer

    Универсальный русско-английский словарь > специалист по экспертным системам

  • 42 специалист по технике представления знаний

    Information technology: (машинного) knowledge engineer

    Универсальный русско-английский словарь > специалист по технике представления знаний

  • 43 инженер знаний

    Sokrat personal > инженер знаний

  • 44 técnico

    adj.
    1 technical, expert.
    2 technical.
    m.
    1 technician, technicist, technical expert.
    2 repairperson, repairman.
    * * *
    1 technical
    ► nombre masculino,nombre femenino
    1 technician, technical expert
    * * *
    1. (f. - técnica)
    adj.
    2. (f. - técnica)
    noun
    technician, engineer
    * * *
    técnico, -a
    1.
    2. SM / F
    1) [en fábrica, laboratorio] technician

    técnico/a de laboratorio — laboratory technician, lab technician *

    técnico/a de mantenimiento — maintenance engineer

    técnico/a de sonido — sound engineer, sound technician

    técnico/a de televisión — television engineer, television repairman

    técnico/a informático/a — computer programmer

    2) (=experto) expert, specialist
    3) (Dep) trainer, coach
    técnica
    * * *
    I
    - ca adjetivo technical
    II
    - ca masculino, femenino, técnico masculino y femenino
    a) ( en fábrica) technician
    b) (de lavadoras, etc) repairman (AmE), engineer (BrE)
    c) (Dep) trainer, coach (AmE), manager (BrE)
    * * *
    I
    - ca adjetivo technical
    II
    - ca masculino, femenino, técnico masculino y femenino
    a) ( en fábrica) technician
    b) (de lavadoras, etc) repairman (AmE), engineer (BrE)
    c) (Dep) trainer, coach (AmE), manager (BrE)
    * * *
    técnico1
    1 = technician, techie, tech, tech guy, technie.

    Ex: They admitted that they did not evaluate their technicians and aides, and confirmed that increases were automatic and the same 'across-the-board'; superior performance was not rewarded, nor inferior performance punished.

    Ex: The article 'CD-ROMs for techies' profiles CD-ROM based tools providing personal computer technical support.
    Ex: Dell had me jumping through hoops for two and a half days to no avail and ultimately sent a human tech here to fix my system.
    Ex: Our tech guys are currently working on a solution.
    Ex: The information superhighway is more than just a technies' playground.
    * técnico de audiovisuales = audiovisual technician.
    * técnico de sonido = sound technician.
    * técnico encargado del proceso de datos = data-processing professional.
    * técnico informático = data-processing professional, computer technician.

    técnico2
    = technical, under-the-hood.

    Ex: Some subjects have both common and technical names, and the different names must be recognised, and reflected in the index in accordance with the audience for whom the index is intended.

    Ex: As a Web user, you aren't likely to see the scheme in action on your screen because it's an under-the-hood way of communicating the identity of an information asset to a Web application.
    * alfabetización técnica = technical literacy, technical literacy.
    * apoyo técnico de aplicaciones informáticas = software support.
    * asesoramiento técnico = technical advice.
    * asesor técnico de bibliotecas = library consultant.
    * asesor técnico en construcción de bibliot = library building consultant.
    * asesor técnico en construcción de bibliotecas = library building consultant.
    * asistencia técnica = technical assistance.
    * aspecto técnico = technical aspect.
    * avance técnico = technical advance.
    * bibliotecario de servicios técnicos = technical services librarian.
    * biblioteca técnica = technical library.
    * características técnicas = technical specification, technical features, technical data.
    * conocimiento técnico = know-how, technical knowledge.
    * cuestión técnica = technical issue.
    * demostración técnica = technical presentation.
    * departamento de procesos técnicos = processing department.
    * desde un punto de vista estrictamente técnico = technically speaking.
    * desde un punto de vista técnico = technically.
    * dibujo técnico = architectural rendering, engineering drawing, technical drawing.
    * dificultad técnica = technical difficulty.
    * diseño técnico = technical design.
    * documentación técnica = technical documentation.
    * documento técnico = technical document.
    * económico-técnico = economic-technical.
    * experto técnico = technical expert.
    * hoja técnica = bluesheet, fact sheet.
    * información científica y técnica = scientific and technical information (STI).
    * información técnica = technical information.
    * informe técnico = technical report.
    * manual técnico = technical book.
    * no técnico = non-technical.
    * pérdida de las técnicas profesionales = de-skilling.
    * personal técnico = technical staff.
    * personal técnico de apoyo = support staff.
    * personas sin conocimientos técnicos, las = non-technical, the.
    * presentación técnica = technical presentation.
    * problema técnico = technical difficulty, technical problem.
    * proceso técnico = technical process.
    * proceso técnico del libro = book preparation, book processing.
    * secretaría técnica del congreso = conference secretariat.
    * servicio técnico = technical service.
    * suministrar conocimientos técnicos = supply + know-how.
    * técnicas documentales = documentation techniques.
    * validez técnica = technical soundness, technical validity.

    * * *
    técnico1 -ca
    technical
    por razones técnicas for technical reasons
    técnico2 -ca
    masculine, feminine
    1 (en una fábrica) technician
    2 (de lavadoras, etc) repairman ( AmE), engineer ( BrE)
    3 ( Dep) trainer, coach ( AmE), manager ( BrE)
    Compuestos:
    recording engineer
    sound technician o engineer
    * * *

     

    técnico
    ◊ -ca adjetivo

    technical
    ■ sustantivo masculino, femenino

    b) (de lavadoras, etc) repairman (AmE), engineer (BrE)

    c) (Dep) trainer, coach (AmE), manager (BrE)

    técnico,-a
    I adjetivo technical
    un problema técnico, a technical hitch
    II sustantivo masculino y femenino technician, technical expert
    ' técnico' also found in these entries:
    Spanish:
    ATS
    - diccionario
    - error
    - fallo
    - ingeniera
    - ingeniero
    - refrigeración
    - técnica
    - tecnicismo
    - término
    - taller
    - vulgar
    English:
    advice
    - electrical engineer
    - repairman
    - technical
    - technical drawing
    - technical hitch
    - technicality
    - technician
    - work-to-rule
    - coach
    - engineer
    - hitch
    - manager
    - professional
    - quantity
    - repairer
    - repair
    - technically
    * * *
    técnico, -a
    ♦ adj
    1. [estudio, palabra, diccionario] technical;
    hubo un problema técnico there was a technical hitch o problem
    2. [persona] technically proficient, with a good technique;
    es un futbolista muy técnico he's a very technical player
    ♦ nm,f
    1. [mecánico] technician;
    un técnico en iluminación a lighting technician;
    vino el técnico a arreglar la lavadora the repairman came to fix the washing machine
    técnico agrícola agronomist;
    técnico electricista electrical engineer;
    técnico de laboratorio laboratory o lab technician;
    técnico de sonido sound technician
    2. [entrenador] coach, Br manager
    3. [experto] expert
    * * *
    I adj technical
    II m/f
    1 technician; de televisor, lavadora etc repairman;
    técnico de sistemas INFOR systems technician
    2 en fútbol coach, manager
    * * *
    técnico, -ca adj
    : technical
    técnico, -ca n
    : technician, expert, engineer
    * * *
    técnico1 adj technical
    técnico2 n technician / engineer

    Spanish-English dictionary > técnico

  • 45 mecánico

    adj.
    mechanical, power-driven, robotic.
    m.
    1 mechanic, greaser.
    2 grease monkey.
    * * *
    1 mechanical
    ► nombre masculino,nombre femenino
    1 mechanic
    \
    mecánico dentista dental technician
    * * *
    1. (f. - mecánica)
    noun
    2. (f. - mecánica)
    adj.
    * * *
    mecánico, -a
    1. ADJ
    1) [gen] mechanical; [con motor] power antes de s ; (=de máquinas) machine antes de s
    2) [gesto, trabajo] mechanical
    2.
    SM / F [de coches] mechanic, grease monkey (EEUU) *; (=operario) machinist; (=ajustador) fitter, repair man/woman; (Aer) rigger, fitter; (=conductor) driver, chauffeur

    mecánico/a de vuelo — flight engineer

    * * *
    I
    - ca adjetivo
    a) (Mec) mechanical
    b) <gesto/acto> mechanical
    II
    - ca masculino, femenino ( de vehículos) mechanic; ( de maquinaria industrial) fitter; (de fotocopiadoras, lavadoras) (m) engineer, repairman; (f) engineer, repairwoman
    * * *
    I
    - ca adjetivo
    a) (Mec) mechanical
    b) <gesto/acto> mechanical
    II
    - ca masculino, femenino ( de vehículos) mechanic; ( de maquinaria industrial) fitter; (de fotocopiadoras, lavadoras) (m) engineer, repairman; (f) engineer, repairwoman
    * * *
    mecánico1

    Ex: Some knowledge of mechanics will also make it easier to detect faults and to discuss them sensibly when a mechanic has to be called in = Además, cierto conocimiento de mecánica hará que sea más fácil detectar los fallos y discutirlos con sensatez cuando haya que llamar a un mecánico.

    * banco de mecánico = metal-shop bench.
    * garaje mecánico = mechanic garage, mechanic workshop, garage.
    * mecánico de coches = auto mechanic.
    * taller mecánico = mechanic workshop, mechanic garage, garage.

    mecánico2
    2 = mechanical, mechanistic, rote, mindless, unthinking, power.

    Ex: With a fully faceted classification scheme (see 13.2.4) chain indexing is purely mechanical, and straightforward.

    Ex: Content analysts, doing their kind of mechanistic time-and-motion studies on 'Till death do us part', might well come up with the conclusion that the greater part of it is straight and explicit racialism.
    Ex: This article examines creative and rote modes of thinking as they relate to 'theory' and 'practice' in library education.
    Ex: This article argues that mindless adulation is no substitute for honest discussions of the bad as well as the good in young adult literature.
    Ex: The author outlines arguments against the unthinking application of new technologies.
    Ex: In 1895 a good London bindery would have the following machines: hand-fed folding machines, sewing machines, nipping machines (for pressing the sewn books before casing-in), cutting machines, rounding machines, backing machines, straight-knife trimming machines (guillotines), rotary board-cutting machines, power blocking presses, and hydraulic standing presses.
    * barredera mecánica = sweeper, mechanical sweeper, mechanised sweeper, road sweeper, street sweeper.
    * barredora mecánica = sweeper, mechanical sweeper, mechanised sweeper, road sweeper.
    * barredora mecánica = street sweeper.
    * componente mecánico = mechanical part.
    * de forma mecánica = mechanically.
    * desastre mecánico = mechanical disaster.
    * de un modo mecánico = mechanically.
    * escalera mecánica = escalator.
    * estropajo mecánico = mechanised scrubber.
    * excavadora mecánica = excavator.
    * herramienta mecánica = machine tool.
    * período de la prensa mecánica, el = machine-press period, the.
    * pieza mecánica = mechanical part.
    * propiedad mecánica = mechanical property.
    * rampa mecánica = moving ramp.
    * recambio mecánico = mechanical part.
    * rotura mecánica = mechanical breakdown.

    * * *
    mecánico1 -ca
    1 ( Mec) mechanical
    2 ‹gesto/acto› mechanical
    lo hacen de manera mecánica they do it mechanically
    mecánico2 -ca
    masculine, feminine
    1 (de vehículos) mechanic
    3 (de fotocopiadoras, lavadoras) ( masculine) technician, repairman, engineer ( BrE); ( feminine) technician, repairwoman, engineer ( BrE)
    Compuestos:
    ● mecánico dental, mecánica dental
    masculine, feminine dental technician
    ● mecánico dentista, mecánica dentista
    masculine, feminine dental technician
    ● mecánico de vuelo, mecánica de vuelo
    masculine, feminine flight engineer
    * * *

     

    mecánico
    ◊ -ca adjetivo

    mechanical
    ■ sustantivo masculino, femenino ( de vehículos) mechanic;

    ( de maquinaria industrial) fitter;
    (de fotocopiadoras, lavadoras) engineer
    mecánico,-a
    I adjetivo mechanical
    II sustantivo masculino y femenino mechanic
    ' mecánico' also found in these entries:
    Spanish:
    foso
    - mecánica
    - taller
    - aprendiz
    - empezar
    - mono
    - montallantas
    - taladro
    English:
    failure
    - fault
    - garage
    - grease
    - mechanic
    - mechanical
    - mindless
    - regurgitate
    - fitter
    - perfunctory
    - sweeper
    * * *
    mecánico, -a
    ♦ adj
    1. [de la mecánica] mechanical
    2. [automático] mechanical;
    un gesto mecánico a mechanical gesture;
    lo hace de forma mecánica he does it mechanically
    ♦ nm,f
    [persona] mechanic mecánico dentista dental technician;
    mecánico de vuelo flight engineer
    * * *
    I adj mechanical
    II m, mecánica f mechanic
    * * *
    mecánico, -ca adj
    : mechanical
    mecánico, -ca n
    1) : mechanic
    2) : technician
    mecánico dental: dental technician
    * * *
    mecánico1 adj mechanical
    mecánico2 n mechanic

    Spanish-English dictionary > mecánico

  • 46 Bateman, John Frederick La Trobe

    [br]
    b. 30 May 1810 Lower Wyke, near Halifax, Yorkshire, England
    d. 10 June 1889 Moor Park, Farnham, Surrey, England
    [br]
    English civil engineer whose principal works were concerned with reservoirs, water-supply schemes and pipelines.
    [br]
    Bateman's maternal grandfather was a Moravian missionary, and from the age of 7 he was educated at the Moravian schools at Fairfield and Ockbrook. At the age of 15 he was apprenticed to a "civil engineer, land surveyor and agent" in Oldham. After this apprenticeship, Bateman commenced his own practice in 1833. One of his early schemes and reports was in regard to the flooding of the river Medlock in the Manchester area. He came to the attention of William Fairbairn, the engine builder and millwright of Canal Street, Ancoats, Manchester. Fairbairn used Bateman as his site surveyor and as such he prepared much of the groundwork for the Bann reservoirs in Northern Ireland. Whilst the reports on the proposals were in the name of Fairbairn, Bateman was, in fact, appointed by the company as their engineer for the execution of the works. One scheme of Bateman's which was carried forward was the Kendal Reservoirs. The Act for these was signed in 1845 and was implemented not for the purpose of water supply but for the conservation of water to supply power to the many mills which stood on the river Kent between Kentmere and Morecambe Bay. The Kentmere Head dam is the only one of the five proposed for the scheme to survive, although not all the others were built as they would have retained only small volumes of water.
    Perhaps the greatest monument to the work of J.F.La Trobe Bateman is Manchester's water supply; he was consulted about this in 1844, and construction began four years later. He first built reservoirs in the Longdendale valley, which has a very complicated geological stratification. Bateman favoured earth embankment dams and gravity feed rather than pumping; the five reservoirs in the valley that impound the river Etherow were complex, cored earth dams. However, when completed they were greatly at risk from landslips and ground movement. Later dams were inserted by Bateman to prevent water loss should the older dams fail. The scheme was not completed until 1877, by which time Manchester's population had exceeded the capacity of the original scheme; Thirlmere in Cumbria was chosen by Manchester Corporation as the site of the first of the Lake District water-supply schemes. Bateman, as Consulting Engineer, designed the great stone-faced dam at the west end of the lake, the "gothic" straining well in the middle of the east shore of the lake, and the 100-mile (160 km) pipeline to Manchester. The Act for the Thirlmere reservoir was signed in 1879 and, whilst Bateman continued as Consulting Engineer, the work was supervised by G.H. Hill and was completed in 1894.
    Bateman was also consulted by the authorities in Glasgow, with the result that he constructed an impressive water-supply scheme derived from Loch Katrine during the years 1856–60. It was claimed that the scheme bore comparison with "the most extensive aqueducts in the world, not excluding those of ancient Rome". Bateman went on to superintend the waterworks of many cities, mainly in the north of England but also in Dublin and Belfast. In 1865 he published a pamphlet, On the Supply of Water to London from the Sources of the River Severn, based on a survey funded from his own pocket; a Royal Commission examined various schemes but favoured Bateman's.
    Bateman was also responsible for harbour and dock works, notably on the rivers Clyde and Shannon, and also for a number of important water-supply works on the Continent of Europe and beyond. Dams and the associated reservoirs were the principal work of J.F.La Trobe Bateman; he completed forty-three such schemes during his professional career. He also prepared many studies of water-supply schemes, and appeared as professional witness before the appropriate Parliamentary Committees.
    [br]
    Principal Honours and Distinctions
    FRS 1860. President, Institution of Civil Engineers 1878, 1879.
    Bibliography
    Among his publications History and Description of the Manchester Waterworks, (1884, London), and The Present State of Our Knowledge on the Supply of Water to Towns, (1855, London: British Association for the Advancement of Science) are notable.
    Further Reading
    Obituary, 1889, Proceedings of the Royal Society 46:xlii-xlviii. G.M.Binnie, 1981, Early Victorian Water Engineers, London.
    P.N.Wilson, 1973, "Kendal reservoirs", Transactions of the Cumberland and Westmorland Antiquarian and Archaeological Society 73.
    KM / LRD

    Biographical history of technology > Bateman, John Frederick La Trobe

  • 47 Chapelon, André

    [br]
    b. 26 October 1892 Saint-Paul-en-Cornillon, Loire, France
    d. 29 June 1978 Paris, France
    [br]
    French locomotive engineer who developed high-performance steam locomotives.
    [br]
    Chapelon's technical education at the Ecole Centrale des Arts et Manufactures, Paris, was interrupted by extended military service during the First World War. From experience of observing artillery from the basket of a captive balloon, he developed a method of artillery fire control which was more accurate than that in use and which was adopted by the French army.
    In 1925 he joined the motive-power and rolling-stock department of the Paris-Orléans Railway under Chief Mechanical Engineer Maurice Lacoin and was given the task of improving the performance of its main-line 4–6–2 locomotives, most of them compounds. He had already made an intensive study of steam locomotive design and in 1926 introduced his Kylchap exhaust system, based in part on the earlier work of the Finnish engineer Kyläla. Chapelon improved the entrainment of the hot gases in the smokebox by the exhaust steam and so minimized back pressure in the cylinders, increasing the power of a locomotive substantially. He also greatly increased the cross-sectional area of steam passages, used poppet valves instead of piston valves and increased superheating of steam. PO (Paris-Orléans) 4–6–2s rebuilt on these principles from 1929 onwards proved able to haul 800-ton trains, in place of the previous 500-ton trains, and to do so to accelerated schedules with reduced coal consumption. Commencing in 1932, some were converted, at the time of rebuilding, into 4–8–0s to increase adhesive weight for hauling heavy trains over the steeply graded Paris-Toulouse line.
    Chapelon's principles were quickly adopted on other French railways and elsewhere.
    H.N. Gresley was particularly influenced by them. After formation of the French National Railways (SNCF) in 1938, Chapelon produced in 1941 a prototype rebuilt PO 2–10–0 freight locomotive as a six-cylinder compound, with four low-pressure cylinders to maximize expansive use of steam and with all cylinders steam-jacketed to minimize heat loss by condensation and radiation. War conditions delayed extended testing until 1948–52. Meanwhile Chapelon had, by rebuilding, produced in 1946 a high-powered, three-cylinder, compound 4–8–4 intended as a stage in development of a proposed range of powerful and thermally efficient steam locomotives for the postwar SNCF: a high-speed 4–6–4 in this range was to run at sustained speeds of 125 mph (200 km/h). However, plans for improved steam locomotives were then overtaken in France by electriflcation and dieselization, though the performance of the 4–8–4, which produced 4,000 hp (3,000 kW) at the drawbar for the first time in Europe, prompted modification of electric locomotives, already on order, to increase their power.
    Chapelon retired from the SNCF in 1953, but continued to act as a consultant. His principles were incorporated into steam locomotives built in France for export to South America, and even after the energy crisis of 1973 he was consulted on projects to build improved, high-powered steam locomotives for countries with reserves of cheap coal. The eventual fall in oil prices brought these to an end.
    [br]
    Bibliography
    1938, La Locomotive à vapeur, Paris: J.B.Bailière (a comprehensive summary of contemporary knowledge of every function of the locomotive).
    Further Reading
    H.C.B.Rogers, 1972, Chapelon, Genius of French Steam, Shepperton: Ian Allan.
    1986, "André Chapelon, locomotive engineer: a survey of his work", Transactions of the Newcomen Society 58 (a symposium on Chapelon's work).
    Obituary, 1978, Railway Engineer (September/October) (makes reference to the technical significance of Chapelon's work).
    PJGR

    Biographical history of technology > Chapelon, André

  • 48 Stephenson, Robert

    [br]
    b. 16 October 1803 Willington Quay, Northumberland, England
    d. 12 October 1859 London, England
    [br]
    English engineer who built the locomotive Rocket and constructed many important early trunk railways.
    [br]
    Robert Stephenson's father was George Stephenson, who ensured that his son was educated to obtain the theoretical knowledge he lacked himself. In 1821 Robert Stephenson assisted his father in his survey of the Stockton \& Darlington Railway and in 1822 he assisted William James in the first survey of the Liverpool \& Manchester Railway. He then went to Edinburgh University for six months, and the following year Robert Stephenson \& Co. was named after him as Managing Partner when it was formed by himself, his father and others. The firm was to build stationary engines, locomotives and railway rolling stock; in its early years it also built paper-making machinery and did general engineering.
    In 1824, however, Robert Stephenson accepted, perhaps in reaction to an excess of parental control, an invitation by a group of London speculators called the Colombian Mining Association to lead an expedition to South America to use steam power to reopen gold and silver mines. He subsequently visited North America before returning to England in 1827 to rejoin his father as an equal and again take charge of Robert Stephenson \& Co. There he set about altering the design of steam locomotives to improve both their riding and their steam-generating capacity. Lancashire Witch, completed in July 1828, was the first locomotive mounted on steel springs and had twin furnace tubes through the boiler to produce a large heating surface. Later that year Robert Stephenson \& Co. supplied the Stockton \& Darlington Railway with a wagon, mounted for the first time on springs and with outside bearings. It was to be the prototype of the standard British railway wagon. Between April and September 1829 Robert Stephenson built, not without difficulty, a multi-tubular boiler, as suggested by Henry Booth to George Stephenson, and incorporated it into the locomotive Rocket which the three men entered in the Liverpool \& Manchester Railway's Rainhill Trials in October. Rocket, was outstandingly successful and demonstrated that the long-distance steam railway was practicable.
    Robert Stephenson continued to develop the locomotive. Northumbrian, built in 1830, had for the first time, a smokebox at the front of the boiler and also the firebox built integrally with the rear of the boiler. Then in Planet, built later the same year, he adopted a layout for the working parts used earlier by steam road-coach pioneer Goldsworthy Gurney, placing the cylinders, for the first time, in a nearly horizontal position beneath the smokebox, with the connecting rods driving a cranked axle. He had evolved the definitive form for the steam locomotive.
    Also in 1830, Robert Stephenson surveyed the London \& Birmingham Railway, which was authorized by Act of Parliament in 1833. Stephenson became Engineer for construction of the 112-mile (180 km) railway, probably at that date the greatest task ever undertaken in of civil engineering. In this he was greatly assisted by G.P.Bidder, who as a child prodigy had been known as "The Calculating Boy", and the two men were to be associated in many subsequent projects. On the London \& Birmingham Railway there were long and deep cuttings to be excavated and difficult tunnels to be bored, notoriously at Kilsby. The line was opened in 1838.
    In 1837 Stephenson provided facilities for W.F. Cooke to make an experimental electrictelegraph installation at London Euston. The directors of the London \& Birmingham Railway company, however, did not accept his recommendation that they should adopt the electric telegraph and it was left to I.K. Brunel to instigate the first permanent installation, alongside the Great Western Railway. After Cooke formed the Electric Telegraph Company, Stephenson became a shareholder and was Chairman during 1857–8.
    Earlier, in the 1830s, Robert Stephenson assisted his father in advising on railways in Belgium and came to be increasingly in demand as a consultant. In 1840, however, he was almost ruined financially as a result of the collapse of the Stanhope \& Tyne Rail Road; in return for acting as Engineer-in-Chief he had unwisely accepted shares, with unlimited liability, instead of a fee.
    During the late 1840s Stephenson's greatest achievements were the design and construction of four great bridges, as part of railways for which he was responsible. The High Level Bridge over the Tyne at Newcastle and the Royal Border Bridge over the Tweed at Berwick were the links needed to complete the East Coast Route from London to Scotland. For the Chester \& Holyhead Railway to cross the Menai Strait, a bridge with spans as long-as 460 ft (140 m) was needed: Stephenson designed them as wrought-iron tubes of rectangular cross-section, through which the trains would pass, and eventually joined the spans together into a tube 1,511 ft (460 m) long from shore to shore. Extensive testing was done beforehand by shipbuilder William Fairbairn to prove the method, and as a preliminary it was first used for a 400 ft (122 m) span bridge at Conway.
    In 1847 Robert Stephenson was elected MP for Whitby, a position he held until his death, and he was one of the exhibition commissioners for the Great Exhibition of 1851. In the early 1850s he was Engineer-in-Chief for the Norwegian Trunk Railway, the first railway in Norway, and he also built the Alexandria \& Cairo Railway, the first railway in Africa. This included two tubular bridges with the railway running on top of the tubes. The railway was extended to Suez in 1858 and for several years provided a link in the route from Britain to India, until superseded by the Suez Canal, which Stephenson had opposed in Parliament. The greatest of all his tubular bridges was the Victoria Bridge across the River St Lawrence at Montreal: after inspecting the site in 1852 he was appointed Engineer-in-Chief for the bridge, which was 1 1/2 miles (2 km) long and was designed in his London offices. Sadly he, like Brunel, died young from self-imposed overwork, before the bridge was completed in 1859.
    [br]
    Principal Honours and Distinctions
    FRS 1849. President, Institution of Mechanical Engineers 1849. President, Institution of Civil Engineers 1856. Order of St Olaf (Norway). Order of Leopold (Belgium). Like his father, Robert Stephenson refused a knighthood.
    Further Reading
    L.T.C.Rolt, 1960, George and Robert Stephenson, London: Longman (a good modern biography).
    J.C.Jeaffreson, 1864, The Life of Robert Stephenson, London: Longman (the standard nine-teenth-century biography).
    M.R.Bailey, 1979, "Robert Stephenson \& Co. 1823–1829", Transactions of the Newcomen Society 50 (provides details of the early products of that company).
    J.Kieve, 1973, The Electric Telegraph, Newton Abbot: David \& Charles.
    PJGR

    Biographical history of technology > Stephenson, Robert

  • 49 Wirtschaftshochschule

    Wirtschaftshochschule f BIL business college, business school, graduate school of business
    * * *
    f < Sozial> business college, business school, graduate school of business
    * * *
    Wirtschaftshochschule
    school of economics, business school (college);
    • Wirtschaftsimperialismus economic imperialism;
    • Wirtschaftsimperium industrial empire;
    • Wirtschaftsimpulse economic incentives;
    • Wirtschaftsindex index of general business activity;
    • Wirtschaftsinformatik economic informatics;
    • Wirtschaftsinformationen business news;
    • Wirtschaftsinfrastruktur economic infrastructure;
    • Wirtschaftsingenieur commercial (industrial) engineer, engineer manager;
    • Wirtschaftsintegration economic integration;
    • Wirtschaftsinteresse business (economic, commercial) interests;
    • Wirtschaftsisolationismus economic isolationism;
    • Wirtschaftsjahr [company’s] financial (Br.) (fiscal, US) year;
    • Wirtschaftsjournalist business journalist, trade journal writer;
    • Wirtschaftsjurist economist-lawyer;
    • Wirtschaftskabinett economic cabinet, cabinet council on economic affairs (US);
    • Wirtschaftskalamität economic woes;
    • Wirtschaftskampf trade competition, economic warfare (conflict);
    • Wirtschaftskapazität industrial capacity;
    • Wirtschaftskartell business cartel;
    • Wirtschaftskatastrophe economic disaster;
    • Wirtschaftskenntnisse commercial knowledge, business experience (knowledge);
    • seine Wirtschaftskenntnisse vertiefen to broaden one’s business outlook;
    • Wirtschaftskommentar economic commentary;
    • Wirtschaftskommissar (EU) industry commissioner.

    Business german-english dictionary > Wirtschaftshochschule

  • 50 jefe

    adj.
    chief, top.
    m.
    1 boss, principal, chief, manager.
    2 chief, chieftain, leader, ringleader.
    3 boss, woman in charge, headwoman, top woman.
    4 boss.
    * * *
    ► nombre masculino,nombre femenino
    1 boss, head, chief
    2 COMERCIO (hombre) manager; (mujer) manageress
    3 PLÍTICA leader
    4 MILITAR officer in command
    ► interjección ¡jefe!
    1 familiar waiter!
    1 familiar the old lady, the wife
    \
    jefe de estación station master
    jefe de Estado Head of State
    jefe de Estado Mayor Chief of Staff
    jefe de redacción editor in chief
    jefe de ventas sales manager
    jefe supremo commander-in-chief
    * * *
    (f. - jefa)
    noun
    1) boss
    2) head
    * * *
    jefe, -a
    SM / F
    1) (=superior) boss; (=director) head; (Pol) leader; (Com) manager; (Mil) officer in command; [de tribu] chief

    ¿quién es el jefe aquí? — who's in charge around here?

    jefe/a civil — Caribe registrar

    jefe/a de almacén — warehouse manager/manageress

    jefe/a de bomberos — fire chief, chief fire officer

    jefe/a de cabina — (Aer) chief steward/stewardess

    jefe/a de camareros — head waiter/waitress

    jefe/a de cocina — head chef

    jefe/a de equipo — team leader

    jefe/a de estación — station master, station manager

    jefe/a de estado — head of state

    jefe/a de estado mayor — chief of staff

    jefe/a de estudios — (Escol) director of studies

    jefe/a de filas — (Pol) party leader

    jefe/a de máquinas — (Náut) chief engineer

    jefe/a de márketing — marketing manager

    jefe/a de obras — site manager

    jefe/a de oficina — office manager/manageress

    jefe/a de personal — personnel manager

    jefe/a de pista — ringmaster

    jefe/a de plató — (Cine, TV) floor manager

    jefe/a de producción — production manager

    jefe/a de protocolo — chief of protocol

    jefe/a de realización — (Cine, TV) production manager

    jefe/a de redacción — editor-in-chief

    jefe/a de sala — head waiter/waitress

    jefe/a de taller — foreman

    jefe/a de tren — guard, conductor (EEUU)

    jefe/a de ventas — sales manager

    jefe/a ejecutivo/a — chief executive

    jefe/a supremo/a — commander-in-chief

    2) [como apelativo]

    ¡oiga jefe! — hey!, mate! *

    sí, mi jefe — esp LAm yes, sir o boss

    * * *
    - fa masculino, femenino, jefe masculino y femenino
    a) ( superior) boss
    b) ( de empresa) manager; ( de sección) head; ( de tribu) chief
    c) (Pol) leader
    d) ( como apelativo) buddy (AmE colloq), mate (BrE colloq)
    e) jefes masculino plural (fam) ( padres) folks (pl) (colloq)
    * * *
    = boss [bosses, -pl.], chief, employer, chief honcho, top official, top position, head honcho, honcho, gaffer, leader.
    Ex. The dependence on bosses for recognition, rewards, and advancement breeds an artificiality of relationship, a need to be polite and agreeable.
    Ex. He subsequently served as chief of that Division, chief of the Serial Record Division, Assistant Director for Cataloging of the Processing Department, Director of the Processing Department, and Assistant Librarian of Processing Services.
    Ex. But we have an obligation to these students, to their future employers and colleagues, to society in general and to ourselves to ensure that our 'processing' makes an important difference.
    Ex. 'We should be more sympathetic and persuasive with the chief honchos'.
    Ex. Some who felt that many of the top officials in libraries and professional organizations were men.
    Ex. In spite of the preponderance of women in the profession 44 of 61 top positions are held by men.
    Ex. Only 17 percent of head honchos say research and development (R&D) drives innovation in their business, a new study has found.
    Ex. Of course, no one but a few honchos at IBM and Oracle know the real answer.
    Ex. Watford gaffer believes his team's home games hold the key to their ability to survive in the Premiership.
    Ex. The proud mother, as a result, had been a leader in the fight to establish a program for the 'gifted and talented' in the public school system.
    ----
    * ¡cómo se nota que no está el jefe! = while the cat's away, the mice will play.
    * editor jefe = editor-in-chief.
    * jefa de oficina de correos = postmistress.
    * jefe de cocina = chef.
    * jefe de escuadrón = squadron leader.
    * jefe de espías = spymaster.
    * jefe de estado = head of state, chief of state.
    * jefe de facturación = billing clerk.
    * jefe de la tribu = tribal chief.
    * jefe del estado mayor = Chief of Staff.
    * jefe de los servicios de gestión del conocimiento = chief knowledge officer (CKO).
    * jefe de los servicios de información = chief information officer (CIO).
    * jefe del servicio de catalogación = cataloguing head.
    * jefe del servicio de referencia = reference head.
    * jefe de milicia = warlord.
    * jefe de oficina = office manager.
    * jefe de oficina de correos = postmaster.
    * jefe de personal = personnel officer, welfare officer, staff manager.
    * jefe de personal de la biblioteca = library personnel officer.
    * jefe de policía = chief constable, police chief.
    * jefe de prensa = press officer.
    * jefe de recursos humanos = human resource manager.
    * jefe de sección = section head.
    * jefe de taller = overseer.
    * jefe militar = army official, army officer.
    * muchos jefes y pocos trabajadores = too many chiefs and not enough Indians.
    * ser el jefe = be in charge, call + the shots, be the boss, call + the tune, rule + the roost.
    * * *
    - fa masculino, femenino, jefe masculino y femenino
    a) ( superior) boss
    b) ( de empresa) manager; ( de sección) head; ( de tribu) chief
    c) (Pol) leader
    d) ( como apelativo) buddy (AmE colloq), mate (BrE colloq)
    e) jefes masculino plural (fam) ( padres) folks (pl) (colloq)
    * * *
    = boss [bosses, -pl.], chief, employer, chief honcho, top official, top position, head honcho, honcho, gaffer, leader.

    Ex: The dependence on bosses for recognition, rewards, and advancement breeds an artificiality of relationship, a need to be polite and agreeable.

    Ex: He subsequently served as chief of that Division, chief of the Serial Record Division, Assistant Director for Cataloging of the Processing Department, Director of the Processing Department, and Assistant Librarian of Processing Services.
    Ex: But we have an obligation to these students, to their future employers and colleagues, to society in general and to ourselves to ensure that our 'processing' makes an important difference.
    Ex: 'We should be more sympathetic and persuasive with the chief honchos'.
    Ex: Some who felt that many of the top officials in libraries and professional organizations were men.
    Ex: In spite of the preponderance of women in the profession 44 of 61 top positions are held by men.
    Ex: Only 17 percent of head honchos say research and development (R&D) drives innovation in their business, a new study has found.
    Ex: Of course, no one but a few honchos at IBM and Oracle know the real answer.
    Ex: Watford gaffer believes his team's home games hold the key to their ability to survive in the Premiership.
    Ex: The proud mother, as a result, had been a leader in the fight to establish a program for the 'gifted and talented' in the public school system.
    * ¡cómo se nota que no está el jefe! = while the cat's away, the mice will play.
    * editor jefe = editor-in-chief.
    * jefa de oficina de correos = postmistress.
    * jefe de cocina = chef.
    * jefe de escuadrón = squadron leader.
    * jefe de espías = spymaster.
    * jefe de estado = head of state, chief of state.
    * jefe de facturación = billing clerk.
    * jefe de la tribu = tribal chief.
    * jefe del estado mayor = Chief of Staff.
    * jefe de los servicios de gestión del conocimiento = chief knowledge officer (CKO).
    * jefe de los servicios de información = chief information officer (CIO).
    * jefe del servicio de catalogación = cataloguing head.
    * jefe del servicio de referencia = reference head.
    * jefe de milicia = warlord.
    * jefe de oficina = office manager.
    * jefe de oficina de correos = postmaster.
    * jefe de personal = personnel officer, welfare officer, staff manager.
    * jefe de personal de la biblioteca = library personnel officer.
    * jefe de policía = chief constable, police chief.
    * jefe de prensa = press officer.
    * jefe de recursos humanos = human resource manager.
    * jefe de sección = section head.
    * jefe de taller = overseer.
    * jefe militar = army official, army officer.
    * muchos jefes y pocos trabajadores = too many chiefs and not enough Indians.
    * ser el jefe = be in charge, call + the shots, be the boss, call + the tune, rule + the roost.

    * * *
    jefe -fa
    masculine, feminine
    1 (superior) boss
    aquí el jefe soy yo I'm the boss here, I'm in charge here
    2 (de una sección, un departamento) head
    4 (de un partido, una banda) leader
    5 (como apelativo) buddy ( AmE colloq), mate ( BrE colloq), guv ( BrE colloq dated)
    6 jefes mpl ( fam) (padres) folks (pl) ( colloq), parents (pl)
    Compuestos:
    ● jefe/jefa de bomberos
    fire chief
    ● jefe/jefa de cocina
    chef
    ● jefe/jefa de departamento
    head of department
    ● jefe/jefa de estación
    stationmaster
    ● jefe/jefa de Estado
    head of state
    ● jefe/jefa de Estado Mayor
    Chief of Staff
    ● jefe/jefa de estudios
    director of studies
    ● jefe/jefa de filas
    group leader
    ● jefe/jefa de gobierno
    (primer ministro) prime minister; (presidente) president
    ● jefe/jefa de la guerrilla
    guerrilla leader
    ● jefe/jefa de la oposición
    leader of the opposition
    ● jefe/jefa de la policía
    chief of police
    ● jefe/jefa de los espías
    spymaster
    ● jefe/jefa de máquinas
    chief engineer
    ● jefe/jefa de negociado
    head of section, head of department
    ● jefe/jefa de oficina
    chief clerk, office manager
    ● jefe/jefa de personal
    personnel manager
    ● jefe/jefa de planta
    floor manager
    ● jefe/jefa de producción
    production manager
    ● jefe/jefa de producto
    product manager
    ● jefe/jefa de redacción
    editor-in-chief
    ● jefe/jefa de sección
    section head
    ● jefe/jefa de seguridad
    chief of security
    ● jefe/jefa de taller
    supervisor, foreman
    ● jefe/jefa de tren
    head conductor, train manager ( BrE)
    ● jefe/jefa de ventas
    sales manager
    * * *

     

    jefe
    ◊ -fa sustantivo masculino, femenino, jefe sustantivo masculino y femenino

    a) ( superior) boss;


    jefe de personal/ventas personnel/sales manager;
    jefe de redacción editor-in-chief

    ( de sección) head;
    ( de tribu) chief
    c) (Pol) leader;

    ◊ jefe de Estado/gobierno head of state/government

    jefe,-a sustantivo masculino y femenino
    1 boss
    Com manager
    jefe de estación, station master
    jefe de informativos, news editor
    jefe de personal, personnel manager
    jefe de redacción, editor-in-chief
    jefe de ventas, sales manager
    2 (líder) leader: es el jefe de la tribu, he's the chief of the tribe
    jefe de Estado, Head of State
    3 Mil comandante en jefe, commander-in-chief
    ' jefe' also found in these entries:
    Spanish:
    arder
    - bailar
    - bebida
    - cabestro
    - congraciarse
    - definitivamente
    - encima
    - faltar
    - gastar
    - gusano
    - jefa
    - mondarse
    - patrón
    - patrona
    - patrono
    - quemada
    - quemado
    - redactor
    - redactora
    - sapo
    - sheriff
    - tal
    - trinar
    - abajo
    - canciller
    - citar
    - comandante
    - condición
    - enfermero
    - facultar
    - mandar
    - pensar
    - plantear
    - quedar
    - rabiar
    - robar
    - salir
    - ver
    English:
    absence
    - abuse
    - anybody
    - approachable
    - around
    - ask for
    - bluster
    - boss
    - busywork
    - by
    - by-product
    - chancellor
    - chief
    - chieftain
    - clear
    - comeback
    - cow
    - deal with
    - departmental
    - deputy
    - discount
    - doormat
    - edit
    - even
    - expect
    - forceful
    - foreman
    - forge
    - frustrated
    - grievance
    - guard
    - head
    - higher-up
    - imagine
    - in
    - initially
    - leader
    - manager
    - marshal
    - mate
    - of
    - pass over
    - pat
    - pool
    - postmaster
    - promise
    - Secretary of State
    - sister
    - staff nurse
    - take over
    * * *
    jefe, -a nm,f
    1. [persona al mando] boss;
    [de empresa] manager, f manageress; [líder] leader; [de tribu, ejército] chief; [de departamento] head; Mil
    en jefe in-chief;
    Méx Fam
    como jefe: entró a la oficina como jefe he walked into the office as if he owned the place
    jefe de bomberos fire chief;
    jefe de compras purchasing manager;
    jefe de estación stationmaster;
    jefe de Estado head of state;
    jefe del estado mayor chief of staff;
    jefe de estudios director of studies;
    Dep jefe de fila(s) team leader [driver or cyclist];
    jefe de gabinete chief of staff;
    jefe de gobierno prime minister;
    una reunión de jefes de gobierno a meeting of heads of government;
    jefe de policía police chief, chief of police, Br chief constable;
    jefe de prensa press officer;
    jefe de producción production manager;
    jefe de producto product line manager;
    jefe de protocolo chief of protocol;
    jefe de proyecto project manager;
    jefe de redacción editor-in-chief;
    jefe de sección departmental head o chief;
    jefe de ventas sales manager
    2. Fam [como apelativo]
    pregúntale al jefe qué se debe ask the guy for the bill;
    jefe, pónganos dos cervezas give us two beers, Br guv o US mac
    3. Méx Fam [padre, madre] old man, f old girl
    4. Esp Fam
    mis jefes [mis padres] my folks
    * * *
    m, jefa f de departamento, organización head; ( superior) boss; POL leader; de tribu chief
    :
    mi jefe my dad fam ;
    mi jefa my mom fam
    * * *
    jefe, -fa n
    1) : chief, head, leader
    jefe de bomberos: fire chief
    2) : boss
    * * *
    jefe n
    1. (superior) boss [pl. bosses]
    3. (de un partido, de una asociación) leader

    Spanish-English dictionary > jefe

  • 51 transformar

    v.
    to transform, to alter the essence of, to morph, to mutate.
    El dolor cambió a Pedro Grief changed Peter.
    * * *
    1 to transform, change
    1 to change, be transformed
    \
    transformarse en (persona) to become 2 (objeto) to convert into
    * * *
    verb
    2) transform, change
    * * *
    1. VT
    1) (=convertir)

    han transformado el palacio en museo — they have turned o converted the palace into a museum

    2) (=cambiar) to transform
    3) (Rugby) to convert
    2.
    See:
    * * *
    1.
    verbo transitivo
    a) ( convertir) to convert
    b) ( cambiar radicalmente) <persona/situación/país> to transform, change o alter... radically
    c) ( en rugby) to convert; ( en fútbol) (period) to score
    2.

    transformarse EN algo: los carbohidratos se transforman en azúcar the carbohydrates are converted into sugar; la calabaza se transformó en un carruaje — the pumpkin turned into o was transformed into a carriage

    b) ( cambiar radicalmente) persona/país to change completely, be transformed
    * * *
    = bring into, convert, reform, transform, remake, transfigure, reengineer [re-engineer].
    Ex. Whether or not these specific proposals will be brought into some kind of overall approach and ideology remains to me a very questionable point.
    Ex. All listings for the final thesaurus must be converted to the format appropriate for typing, printing or input to a computer data base.
    Ex. The advent of IT into the working lives of librarians and information workers has brought with it a realization that the nature of their activities is being reformed.
    Ex. We can permit ourselves to be hypnotized by the gadgetry for access and by illusory cost reductions, or we can use the computer effectively to transform the catalog into a truly responsive instrument.
    Ex. The article 'The remaking of librarians in the knowledge era' details some of the efforts made to ' remake' the collection, advertise library services and rebuild membership.
    Ex. The identification of resources, the referral of colleagues and studnets, the reliance on the content have been so transfigured in the electronic world that it should leave the researchers breathless.
    Ex. Libraries in general, and the corporate library in particular, must reengineer to take their rightful place in the new age.
    ----
    * transformarse = metamorphose.
    * transformarse en = blossom into.
    * * *
    1.
    verbo transitivo
    a) ( convertir) to convert
    b) ( cambiar radicalmente) <persona/situación/país> to transform, change o alter... radically
    c) ( en rugby) to convert; ( en fútbol) (period) to score
    2.

    transformarse EN algo: los carbohidratos se transforman en azúcar the carbohydrates are converted into sugar; la calabaza se transformó en un carruaje — the pumpkin turned into o was transformed into a carriage

    b) ( cambiar radicalmente) persona/país to change completely, be transformed
    * * *
    = bring into, convert, reform, transform, remake, transfigure, reengineer [re-engineer].

    Ex: Whether or not these specific proposals will be brought into some kind of overall approach and ideology remains to me a very questionable point.

    Ex: All listings for the final thesaurus must be converted to the format appropriate for typing, printing or input to a computer data base.
    Ex: The advent of IT into the working lives of librarians and information workers has brought with it a realization that the nature of their activities is being reformed.
    Ex: We can permit ourselves to be hypnotized by the gadgetry for access and by illusory cost reductions, or we can use the computer effectively to transform the catalog into a truly responsive instrument.
    Ex: The article 'The remaking of librarians in the knowledge era' details some of the efforts made to ' remake' the collection, advertise library services and rebuild membership.
    Ex: The identification of resources, the referral of colleagues and studnets, the reliance on the content have been so transfigured in the electronic world that it should leave the researchers breathless.
    Ex: Libraries in general, and the corporate library in particular, must reengineer to take their rightful place in the new age.
    * transformarse = metamorphose.
    * transformarse en = blossom into.

    * * *
    vt
    1 (convertir) to convert transformar algo EN algo to convert sth INTO sth
    para transformar la luz solar en energía to convert sunlight into energy
    2 (cambiar radicalmente) ‹persona/situación/país› to transform, change o alter … radically
    las computadoras están transformando los métodos de trabajo computers are bringing about radical changes in working practices
    3 (en rugby) to convert
    4
    (en fútbol): transformó el penalty he scored from the penalty
    1 (convertirse) transformarse EN algo:
    los hidratos de carbono se transforman en azúcar the carbohydrates are converted into sugar
    la calabaza se transformó en una hermosa carroza the pumpkin turned into o was transformed into a beautiful carriage
    2 (cambiar radicalmente) «persona/carácter/país» to change completely, undergo a radical change, be transformed
    desde que empezó a trabajar se ha transformado she's changed completely o she's a different person o she's been transformed since she started working
    * * *

    transformar ( conjugate transformar) verbo transitivo

    transformar algo EN algo to convert sth into sth
    b) ( cambiar radicalmente) ‹persona/situación/país› to transform, change o alter … radically


    transformarse verbo pronominal
    a) ( convertirse) transformarse EN algo to turn into sth


    transformar verbo transitivo
    1 to transform, change
    2 (convertir, mudar) to change
    ' transformar' also found in these entries:
    Spanish:
    reducir
    - trasformar
    - convertir
    - hacer
    English:
    transform
    - turn
    - conversion
    - convert
    * * *
    transformar, trasformar
    ♦ vt
    1. [convertir]
    transformar algo (en) to convert o turn sth (into);
    un convento transformado en hotel a convent converted into a hotel;
    transformar la ansiedad en energía positiva to transform one's anxiety into constructive energy;
    las penas lo han transformado en un alcohólico his troubles have turned him into an alcoholic
    2. [cambiar radicalmente] to transform;
    el turismo ha transformado a nuestro país tourism has transformed our country
    3. [en rugby] to convert
    4. [en fútbol]
    transformar un penalty to convert a penalty
    ♦ See also the pronominal verb transformarse, trasformarse
    * * *
    v/t
    1 transform
    2 DEP penalti score from
    * * *
    1) convertir: to convert
    2) : to transform, to change, to alter
    * * *
    transformar vb to transform / to change

    Spanish-English dictionary > transformar

  • 52 Leonardo da Vinci

    [br]
    b. 15 April 1452 Vinci, near Florence, Italy,
    d. 2 May 1519 St Cloux, near Amboise, France.
    [br]
    Italian scientist, engineer, inventor and artist.
    [br]
    Leonardo was the illegitimate son of a Florentine lawyer. His first sixteen years were spent with the lawyer's family in the rural surroundings of Vinci, which aroused in him a lifelong love of nature and an insatiable curiosity in it. He received little formal education but extended his knowledge through private reading. That gave him only a smattering of Latin, a deficiency that was to be a hindrance throughout his active life. At sixteen he was apprenticed in the studio of Andrea del Verrochio in Florence, where he received a training not only in art but in a wide variety of crafts and technical arts.
    In 1482 Leonardo went to Milan, where he sought and obtained employment with Ludovico Sforza, later Duke of Milan, partly to sculpt a massive equestrian statue of Ludovico but the work never progressed beyond the full-scale model stage. He did, however, complete the painting which became known as the Virgin of the Rocks and in 1497 his greatest artistic achievement, The Last Supper, commissioned jointly by Ludovico and the friars of Santa Maria della Grazie and painted on the wall of the monastery's refectory. Leonardo was responsible for the court pageants and also devised a system of irrigation to supply water to the plains of Lombardy. In 1499 the French army entered Milan and deposed Leonardo's employer. Leonardo departed and, after a brief visit to Mantua, returned to Florence, where for a time he was employed as architect and engineer to Cesare Borgia, Duke of Romagna. Around 1504 he completed another celebrated work, the Mona Lisa.
    In 1506 Leonardo began his second sojourn in Milan, this time in the service of King Louis XII of France, who appointed him "painter and engineer". In 1513 Leonardo left for Rome in the company of his pupil Francesco Melzi, but his time there was unproductive and he found himself out of touch with the younger artists active there, Michelangelo above all. In 1516 he accepted with relief an invitation from King François I of France to reside at the small château of St Cloux in the royal domain of Amboise. With the pension granted by François, Leonardo lived out his remaining years in tranquility at St Cloux.
    Leonardo's career can hardly be regarded as a success or worthy of such a towering genius. For centuries he was known only for the handful of artistic works that he managed to complete and have survived more or less intact. His main activity remained hidden until the nineteenth and twentieth centuries, during which the contents of his notebooks were gradually revealed. It became evident that Leonardo was one of the greatest scientific investigators and inventors in the history of civilization. Throughout his working life he extended a searching curiosity over an extraordinarily wide range of subjects. The notes show careful investigation of questions of mechanical and civil engineering, such as power transmission by means of pulleys and also a form of chain belting. The notebooks record many devices, such as machines for grinding and polishing lenses, a lathe operated by treadle-crank, a rolling mill with conical rollers and a spinning machine with pinion and yard divider. Leonardo made an exhaustive study of the flight of birds, with a view to designing a flying machine, which obsessed him for many years.
    Leonardo recorded his observations and conclusions, together with many ingenious inventions, on thousands of pages of manuscript notes, sketches and drawings. There are occasional indications that he had in mind the publication of portions of the notes in a coherent form, but he never diverted his energy into putting them in order; instead, he went on making notes. As a result, Leonardo's impact on the development of science and technology was virtually nil. Even if his notebooks had been copied and circulated, there were daunting impediments to their understanding. Leonardo was left-handed and wrote in mirror-writing: that is, in reverse from right to left. He also used his own abbreviations and no punctuation.
    At his death Leonardo bequeathed his entire output of notes to his friend and companion Francesco Melzi, who kept them safe until his own death in 1570. Melzi left the collection in turn to his son Orazio, whose lack of interest in the arts and sciences resulted in a sad period of dispersal which endangered their survival, but in 1636 the bulk of them, in thirteen volumes, were assembled and donated to the Ambrosian Library in Milan. These include a large volume of notes and drawings compiled from the various portions of the notebooks and is now known as the Codex Atlanticus. There they stayed, forgotten and ignored, until 1796, when Napoleon's marauding army overran Italy and art and literary works, including the thirteen volumes of Leonardo's notebooks, were pillaged and taken to Paris. After the war in 1815, the French government agreed to return them but only the Codex Atlanticus found its way back to Milan; the rest remained in Paris. The appendix to one notebook, dealing with the flight of birds, was later regarded as of sufficient importance to stand on its own. Four small collections reached Britain at various times during the seventeenth and eighteenth centuries; of these, the volume in the Royal Collection at Windsor Castle is notable for its magnificent series of anatomical drawings. Other collections include the Codex Leicester and Codex Arundel in the British Museum in London, and the Madrid Codices in Spain.
    Towards the end of the nineteenth century, Leonardo's true stature as scientist, engineer and inventor began to emerge, particularly with the publication of transcriptions and translations of his notebooks. The volumes in Paris appeared in 1881–97 and the Codex Atlanticus was published in Milan between 1894 and 1904.
    [br]
    Principal Honours and Distinctions
    "Premier peintre, architecte et mécanicien du Roi" to King François I of France, 1516.
    Further Reading
    E.MacCurdy, 1939, The Notebooks of Leonardo da Vinci, 2 vols, London; 2nd edn, 1956, London (the most extensive selection of the notes, with an English translation).
    G.Vasari (trans. G.Bull), 1965, Lives of the Artists, London: Penguin, pp. 255–271.
    C.Gibbs-Smith, 1978, The Inventions of Leonardo da Vinci, Oxford: Phaidon. L.H.Heydenreich, Dibner and L. Reti, 1981, Leonardo the Inventor, London: Hutchinson.
    I.B.Hart, 1961, The World of Leonardo da Vinci, London: Macdonald.
    LRD / IMcN

    Biographical history of technology > Leonardo da Vinci

  • 53 без ведома

    (чьего, кого)
    without smb.'s knowledge, without the knowledge (authorization) of smb.

    Без ведома главного инженера она впервые надела водолазный костюм. (В. Ажаев, Далеко от Москвы) — Without the knowledge of the chief engineer she put on a diving suit for the first time.

    Русско-английский фразеологический словарь > без ведома

  • 54 elektronicus

    n. electronic engineer, electrical engineer, one who puts scientific knowledge of electricity to practical uses

    Holandés-inglés dicionario > elektronicus

  • 55 Bain, Alexander

    [br]
    b. October 1810 Watten, Scotland
    d. 2 January 1877 Kirkintilloch, Scotland
    [br]
    Scottish inventor and entrepreneur who laid the foundations of electrical horology and designed an electromagnetic means of transmitting images (facsimile).
    [br]
    Alexander Bain was born into a crofting family in a remote part of Scotland. He was apprenticed to a watchmaker in Wick and during that time he was strongly influenced by a lecture on "Heat, sound and electricity" that he heard in nearby Thurso. This lecture induced him to take up a position in Clerkenwell in London, working as a journeyman clockmaker, where he was able to further his knowledge of electricity by attending lectures at the Adelaide Gallery and the Polytechnic Institution. His thoughts naturally turned to the application of electricity to clockmaking, and despite a bitter dispute with Charles Wheatstone over priority he was granted the first British patent for an electric clock. This patent, taken out on 11 January 1841, described a mechanism for an electric clock, in which an oscillating component of the clock operated a mechanical switch that initiated an electromagnetic pulse to maintain the regular, periodic motion. This principle was used in his master clock, produced in 1845. On 12 December of the same year, he patented a means of using electricity to control the operation of steam railway engines via a steam-valve. His earliest patent was particularly far-sighted and anticipated most of the developments in electrical horology that occurred during the nineteenth century. He proposed the use of electricity not only to drive clocks but also to distribute time over a distance by correcting the hands of mechanical clocks, synchronizing pendulums and using slave dials (here he was anticipated by Steinheil). However, he was less successful in putting these ideas into practice, and his electric clocks proved to be unreliable. Early electric clocks had two weaknesses: the battery; and the switching mechanism that fed the current to the electromagnets. Bain's earth battery, patented in 1843, overcame the first defect by providing a reasonably constant current to drive his clocks, but unlike Hipp he failed to produce a reliable switch.
    The application of Bain's numerous patents for electric telegraphy was more successful, and he derived most of his income from these. They included a patent of 12 December 1843 for a form of fax machine, a chemical telegraph that could be used for the transmission of text and of images (facsimile). At the receiver, signals were passed through a moving band of paper impregnated with a solution of ammonium nitrate and potassium ferrocyanide. For text, Morse code signals were used, and because the system could respond to signals faster than those generated by hand, perforated paper tape was used to transmit the messages; in a trial between Paris and Lille, 282 words were transmitted in less than one minute. In 1865 the Abbé Caselli, a French engineer, introduced a commercial fax service between Paris and Lyons, based on Bain's device. Bain also used the idea of perforated tape to operate musical wind instruments automatically. Bain squandered a great deal of money on litigation, initially with Wheatstone and then with Morse in the USA. Although his inventions were acknowledged, Bain appears to have received no honours, but when towards the end of his life he fell upon hard times, influential persons in 1873 secured for him a Civil List Pension of £80 per annum and the Royal Society gave him £150.
    [br]
    Bibliography
    1841, British patent no. 8,783; 1843, British patent no. 9,745; 1845, British patent no.
    10,838; 1847, British patent no. 11,584; 1852, British patent no. 14,146 (all for electric clocks).
    1852, A Short History of the Electric Clocks with Explanation of Their Principles and
    Mechanism and Instruction for Their Management and Regulation, London; reprinted 1973, introd. W.Hackmann, London: Turner \& Devereux (as the title implies, this pamphlet was probably intended for the purchasers of his clocks).
    Further Reading
    The best account of Bain's life and work is in papers by C.A.Aked in Antiquarian Horology: "Electricity, magnetism and clocks" (1971) 7: 398–415; "Alexander Bain, the father of electrical horology" (1974) 9:51–63; "An early electric turret clock" (1975) 7:428–42. These papers were reprinted together (1976) in A Conspectus of Electrical Timekeeping, Monograph No. 12, Antiquarian Horological Society: Tilehurst.
    J.Finlaison, 1834, An Account of Some Remarkable Applications of the Electric Fluid to the Useful Arts by Alexander Bain, London (a contemporary account between Wheatstone and Bain over the invention of the electric clock).
    J.Munro, 1891, Heroes of the Telegraph, Religious Tract Society.
    J.Malster \& M.J.Bowden, 1976, "Facsimile. A Review", Radio \&Electronic Engineer 46:55.
    D.J.Weaver, 1982, Electrical Clocks and Watches, Newnes.
    T.Hunkin, 1993, "Just give me the fax", New Scientist (13 February):33–7 (provides details of Bain's and later fax devices).
    DV / KF

    Biographical history of technology > Bain, Alexander

  • 56 Eads, James Buchanan

    SUBJECT AREA: Civil engineering
    [br]
    b. 23 May 1820 Lawrenceburg, Indiana, USA
    d. 8 March 1887 Nassau, Bahamas
    [br]
    American bridge-builder and hydraulic engineer.
    [br]
    The son of an immigrant merchant, he was educated at the local school, leaving at the age of 13 to take on various jobs, eventually becoming a purser on a Mississippi steamboat. He was struck by the number of wrecks lying in the river; he devised a diving bell and, at the age of 22, set up in business as a salvage engineer. So successful was he at this venture that he was able to retire in three years' time and set up the first glassworks west of the Ohio River. This, however, was a failure and in 1848 he returned to the business of salvage on the Ohio River. He was so successful that he was able to retire permanently in 1857. From the start of the American Civil War in 1861 he recommended to President Lincoln that he should obtain a fleet of armour-plated, steam-powered gunboats to operate on the western rivers. He built seven of these himself, later building or converting a further eighteen. After the end of the war he obtained the contract to design and build a bridge over the Mississippi at St Louis. In this he made use of his considerable knowledge of the river-bed currents. He built a bridge with a 500 ft (150 m) centre span and a clearance of 50 ft (15 m) that was completed in 1874. The three spans are, respectively, 502 ft, 520 ft and 502 ft (153 m, 158 m and 153 m), each being spanned by an arch. The Mississippi river is subject to great changes, both seasonal and irregular, with a range of over 41 ft (12.5 m) between low and high water and a velocity varying from 4 ft (1.2 m) to 12 1/2 ft (3.8 m) per second. The Eads Bridge was completed in 1874 and in the following year Eads was commissioned to open one of the mouths of the Mississippi, for which he constructed a number of jetty traps. He was involved later in attempts to construct a ship railway across the isthmus of Panama. He had been suffering from indifferent health for some years, and this effort was too much for him. He died on 8 March 1887. He was the first American to be awarded the Royal Society of Arts' Albert Medal.
    [br]
    Principal Honours and Distinctions
    Royal Society of Arts Albert Medal.
    Further Reading
    D.B.Steinman and S.R.Watson, 1941, Bridges and their Builders, New York: Dover Publications.
    T.I.Williams, Biographical Dictionary of Science.
    IMcN

    Biographical history of technology > Eads, James Buchanan

  • 57 Elder, John

    [br]
    b. 9 March 1824 Glasgow, Scotland
    d. 17 September 1869 London, England
    [br]
    Scottish engineer who introduced the compound steam engine to ships and established an important shipbuilding company in Glasgow.
    [br]
    John was the third son of David Elder. The father came from a family of millwrights and moved to Glasgow where he worked for the well-known shipbuilding firm of Napier's and was involved with improving marine engines. John was educated at Glasgow High School and then for a while at the Department of Civil Engineering at Glasgow University, where he showed great aptitude for mathematics and drawing. He spent five years as an apprentice under Robert Napier followed by two short periods of activity as a pattern-maker first and then a draughtsman in England. He returned to Scotland in 1849 to become Chief Draughtsman to Napier, but in 1852 he left to become a partner with the Glasgow general engineering company of Randolph Elliott \& Co. Shortly after his induction (at the age of 28), the engineering firm was renamed Randolph Elder \& Co.; in 1868, when the partnership expired, it became known as John Elder \& Co. From the outset Elder, with his partner, Charles Randolph, approached mechanical (especially heat) engineering in a rigorous manner. Their knowledge and understanding of entropy ensured that engine design was not a hit-and-miss affair, but one governed by recognition of the importance of the new kinetic theory of heat and with it a proper understanding of thermodynamic principles, and by systematic development. In this Elder was joined by W.J.M. Rankine, Professor of Civil Engineering and Mechanics at Glasgow University, who helped him develop the compound marine engine. Elder and Randolph built up a series of patents, which guaranteed their company's commercial success and enabled them for a while to be the sole suppliers of compound steam reciprocating machinery. Their first such engine at sea was fitted in 1854 on the SS Brandon for the Limerick Steamship Company; the ship showed an improved performance by using a third less coal, which he was able to reduce still further on later designs.
    Elder developed steam jacketing and recognized that, with higher pressures, triple-expansion types would be even more economical. In 1862 he patented a design of quadruple-expansion engine with reheat between cylinders and advocated the importance of balancing reciprocating parts. The effect of his improvements was to greatly reduce fuel consumption so that long sea voyages became an economic reality.
    His yard soon reached dimensions then unequalled on the Clyde where he employed over 4,000 workers; Elder also was always interested in the social welfare of his labour force. In 1860 the engine shops were moved to the Govan Old Shipyard, and again in 1864 to the Fairfield Shipyard, about 1 mile (1.6 km) west on the south bank of the Clyde. At Fairfield, shipbuilding was commenced, and with the patents for compounding secure, much business was placed for many years by shipowners serving long-distance trades such as South America; the Pacific Steam Navigation Company took up his ideas for their ships. In later years the yard became known as the Fairfield Shipbuilding and Engineering Company Ltd, but it remains today as one of Britain's most efficient shipyards and is known now as Kvaerner Govan Ltd.
    In 1869, at the age of only 45, John Elder was unanimously elected President of the Institution of Engineers and Shipbuilders in Scotland; however, before taking office and giving his eagerly awaited presidential address, he died in London from liver disease. A large multitude attended his funeral and all the engineering shops were silent as his body, which had been brought back from London to Glasgow, was carried to its resting place. In 1857 Elder had married Isabella Ure, and on his death he left her a considerable fortune, which she used generously for Govan, for Glasgow and especially the University. In 1883 she endowed the world's first Chair of Naval Architecture at the University of Glasgow, an act which was reciprocated in 1901 when the University awarded her an LLD on the occasion of its 450th anniversary.
    [br]
    Principal Honours and Distinctions
    President, Institution of Engineers and Shipbuilders in Scotland 1869.
    Further Reading
    Obituary, 1869, Engineer 28.
    1889, The Dictionary of National Biography, London: Smith Elder \& Co. W.J.Macquorn Rankine, 1871, "Sketch of the life of John Elder" Transactions of the
    Institution of Engineers and Shipbuilders in Scotland.
    Maclehose, 1886, Memoirs and Portraits of a Hundred Glasgow Men.
    The Fairfield Shipbuilding and Engineering Works, 1909, London: Offices of Engineering.
    P.M.Walker, 1984, Song of the Clyde, A History of Clyde Shipbuilding, Cambridge: PSL.
    R.L.Hills, 1989, Power from Steam. A History of the Stationary Steam Engine, Cambridge: Cambridge University Press (covers Elder's contribution to the development of steam engines).
    RLH / FMW

    Biographical history of technology > Elder, John

  • 58 Sorocold, George

    SUBJECT AREA: Public utilities
    [br]
    b. probably Ashton-in-Makerfield, England fl. c. 1685–1715
    [br]
    English civil engineer who set up numerous water-driven pumping plants.
    [br]
    He began to practise in Derbyshire and South Yorkshire and later moved to London, where his most important work was carried out. Little is known of his birth or, indeed, of the date of his death, although it is thought that he may have been born in Ashton-in- Makerfield.
    His first known work was a water-driven pumping plant in Derby erected in 1693 to supply water to houses and to points in the town through pipes from the pumps by the river Derwent. These water-driven pumping plants and the delivery of water to various towns were the result of entrepreneurial development by groups of "adventurers". Sorocold went on to set up many more pumping plants, including those at Leeds Bridge (1694–5), Macclesfield, Wirksworth, Yarmouth, Portsmouth, Norwich and King's Lynn.
    His best-known work was the installation of a pumping plant at the north end of London Bridge to replace a sixteenth-century plant. This consisted of four water-wheels placed between the starlings of the bridge. As the bridge is situated on the tidal Thames, the water-wheels were contrived so that their shafts could be raised or lowered to meet the state of the tidal flow. Whilst the waterworks designed by Sorocold are well known, it is clear that he had come to be regarded as a consulting engineer. One scheme that was carried through was the creation of a navigation between the river Trent and Derby on the line of the river Derwent. He appeared as a witness for the Derwent Navigation Act in 1703. He also held a patent for "A new machine for cutting and sawing all sorts of boards, timber and stone, and twisting all kinds of ropes, cords and cables by the strength of horses of water": this illustrates that his knowledge of power sources was predominant in his practice.
    [br]
    Further Reading
    R.Jenkins, 1936, "George Sorocold. A chapter in the history of public water supply", The Collected Papers of Rhys Jenkins, Newcomen Society.
    H.Beighton, 1731, article in The Philosophical Transactions (provides details of the London Bridge Waterworks).
    KM

    Biographical history of technology > Sorocold, George

  • 59 Sperry, Elmer Ambrose

    [br]
    b. 21 October 1860 Cincinnatus, Cortland County, New York, USA
    d. 16 June 1930 Brooklyn, New York, USA
    [br]
    American entrepreneur who invented the gyrocompass.
    [br]
    Sperry was born into a farming community in Cortland County. He received a rudimentary education at the local school, but an interest in mechanical devices was aroused by the agricultural machinery he saw around him. His attendance at the Normal School in Cortland provided a useful theoretical background to his practical knowledge. He emerged in 1880 with an urge to pursue invention in electrical engineering, then a new and growing branch of technology. Within two years he was able to patent and demonstrate his arc lighting system, complete with its own generator, incorporating new methods of regulating its output. The Sperry Electric Light, Motor and Car Brake Company was set up to make and market the system, but it was difficult to keep pace with electric-lighting developments such as the incandescent lamp and alternating current, and the company ceased in 1887 and was replaced by the Sperry Electric Company, which itself was taken over by the General Electric Company.
    In the 1890s Sperry made useful inventions in electric mining machinery and then in electric street-or tramcars, with his patent electric brake and control system. The patents for the brake were important enough to be bought by General Electric. From 1894 to 1900 he was manufacturing electric motor cars of his own design, and in 1900 he set up a laboratory in Washington, where he pursued various electrochemical processes.
    In 1896 he began to work on the practical application of the principle of the gyroscope, where Sperry achieved his most notable inventions, the first of which was the gyrostabilizer for ships. The relatively narrow-hulled steamship rolled badly in heavy seas and in 1904 Ernst Otto Schuck, a German naval engineer, and Louis Brennan in England began experiments to correct this; their work stimulated Sperry to develop his own device. In 1908 he patented the active gyrostabilizer, which acted to correct a ship's roll as soon as it started. Three years later the US Navy agreed to try it on a destroyer, the USS Worden. The successful trials of the following year led to widespread adoption. Meanwhile, in 1910, Sperry set up the Sperry Gyroscope Company to extend the application to commercial shipping.
    At the same time, Sperry was working to apply the gyroscope principle to the ship's compass. The magnetic compass had worked well in wooden ships, but iron hulls and electrical machinery confused it. The great powers' race to build up their navies instigated an urgent search for a solution. In Germany, Anschütz-Kämpfe (1872–1931) in 1903 tested a form of gyrocompass and was encouraged by the authorities to demonstrate the device on the German flagship, the Deutschland. Its success led Sperry to develop his own version: fortunately for him, the US Navy preferred a home-grown product to a German one and gave Sperry all the backing he needed. A successful trial on a destroyer led to widespread acceptance in the US Navy, and Sperry was soon receiving orders from the British Admiralty and the Russian Navy.
    In the rapidly developing field of aeronautics, automatic stabilization was becoming an urgent need. In 1912 Sperry began work on a gyrostabilizer for aircraft. Two years later he was able to stage a spectacular demonstration of such a device at an air show near Paris.
    Sperry continued research, development and promotion in military and aviation technology almost to the last. In 1926 he sold the Sperry Gyroscope Company to enable him to devote more time to invention.
    [br]
    Principal Honours and Distinctions
    John Fritz Medal 1927. President, American Society of Mechanical Engineers 1928.
    Bibliography
    Sperry filed over 400 patents, of which two can be singled out: 1908. US patent no. 434,048 (ship gyroscope); 1909. US patent no. 519,533 (ship gyrocompass set).
    Further Reading
    T.P.Hughes, 1971, Elmer Sperry, Inventor and Engineer, Baltimore: Johns Hopkins University Press (a full and well-documented biography, with lists of his patents and published writings).
    LRD

    Biographical history of technology > Sperry, Elmer Ambrose

  • 60 White, Canvass

    SUBJECT AREA: Canals, Civil engineering
    [br]
    b. 1790 Whitesboro, New York, USA
    d. 1834 St Augustine, Florida, USA
    [br]
    American civil engineer.
    [br]
    Between 1807 and 1816 White worked for his father. He fought in the War of 1812, and worked his way to Russia and back in a merchantman; in 1817–18 he went to England and walked over 2,000 miles (3,220 km) over canal sites. After 1818 he was Principal Assistant to Benjamin Wright on the construction of the Erie Canal until its completion in 1825; he was the only one involved in this project who had any knowledge of European canal construction. He was particularly noted for the design of canal locks and their equipment; one of his main contributions was the discovery of the lime rock in New York State which could be converted into concrete, and in 1820 he obtained a patent for a waterproof cement. He supervised the Glen Falls feeder construction, and he was Chief Engineer for the Delaware and Raritan Canal in New Jersey and the Lehigh and Union canals in Pennsylvania.
    IMcN

    Biographical history of technology > White, Canvass

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