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  • 1 Gresley, Sir Herbert Nigel

    [br]
    b. 19 June 1876 Edinburgh, Scotland
    d. 5 April 1941 Hertford, England
    [br]
    English mechanical engineer, designer of the A4-class 4–6–2 locomotive holding the world speed record for steam traction.
    [br]
    Gresley was the son of the Rector of Netherseale, Derbyshire; he was educated at Marlborough and by the age of 13 was skilled at making sketches of locomotives. In 1893 he became a pupil of F.W. Webb at Crewe works, London \& North Western Railway, and in 1898 he moved to Horwich works, Lancashire \& Yorkshire Railway, to gain drawing-office experience under J.A.F.Aspinall, subsequently becoming Foreman of the locomotive running sheds at Blackpool. In 1900 he transferred to the carriage and wagon department, and in 1904 he had risen to become its Assistant Superintendent. In 1905 he moved to the Great Northern Railway, becoming Superintendent of its carriage and wagon department at Doncaster under H.A. Ivatt. In 1906 he designed and produced a bogie luggage van with steel underframe, teak body, elliptical roof, bowed ends and buckeye couplings: this became the prototype for East Coast main-line coaches built over the next thirty-five years. In 1911 Gresley succeeded Ivatt as Locomotive, Carriage \& Wagon Superintendent. His first locomotive was a mixed-traffic 2–6–0, his next a 2–8–0 for freight. From 1915 he worked on the design of a 4–6–2 locomotive for express passenger traffic: as with Ivatt's 4 4 2s, the trailing axle would allow the wide firebox needed for Yorkshire coal. He also devised a means by which two sets of valve gear could operate the valves on a three-cylinder locomotive and applied it for the first time on a 2–8–0 built in 1918. The system was complex, but a later simplified form was used on all subsequent Gresley three-cylinder locomotives, including his first 4–6–2 which appeared in 1922. In 1921, Gresley introduced the first British restaurant car with electric cooking facilities.
    With the grouping of 1923, the Great Northern Railway was absorbed into the London \& North Eastern Railway and Gresley was appointed Chief Mechanical Engineer. More 4–6– 2s were built, the first British class of such wheel arrangement. Modifications to their valve gear, along lines developed by G.J. Churchward, reduced their coal consumption sufficiently to enable them to run non-stop between London and Edinburgh. So that enginemen might change over en route, some of the locomotives were equipped with corridor tenders from 1928. The design was steadily improved in detail, and by comparison an experimental 4–6–4 with a watertube boiler that Gresley produced in 1929 showed no overall benefit. A successful high-powered 2–8–2 was built in 1934, following the introduction of third-class sleeping cars, to haul 500-ton passenger trains between Edinburgh and Aberdeen.
    In 1932 the need to meet increasing road competition had resulted in the end of a long-standing agreement between East Coast and West Coast railways, that train journeys between London and Edinburgh by either route should be scheduled to take 8 1/4 hours. Seeking to accelerate train services, Gresley studied high-speed, diesel-electric railcars in Germany and petrol-electric railcars in France. He considered them for the London \& North Eastern Railway, but a test run by a train hauled by one of his 4–6–2s in 1934, which reached 108 mph (174 km/h), suggested that a steam train could better the railcar proposals while its accommodation would be more comfortable. To celebrate the Silver Jubilee of King George V, a high-speed, streamlined train between London and Newcastle upon Tyne was proposed, the first such train in Britain. An improved 4–6–2, the A4 class, was designed with modifications to ensure free running and an ample reserve of power up hill. Its streamlined outline included a wedge-shaped front which reduced wind resistance and helped to lift the exhaust dear of the cab windows at speed. The first locomotive of the class, named Silver Link, ran at an average speed of 100 mph (161 km/h) for 43 miles (69 km), with a maximum speed of 112 1/2 mph (181 km/h), on a seven-coach test train on 27 September 1935: the locomotive went into service hauling the Silver Jubilee express single-handed (since others of the class had still to be completed) for the first three weeks, a round trip of 536 miles (863 km) daily, much of it at 90 mph (145 km/h), without any mechanical troubles at all. Coaches for the Silver Jubilee had teak-framed, steel-panelled bodies on all-steel, welded underframes; windows were double glazed; and there was a pressure ventilation/heating system. Comparable trains were introduced between London Kings Cross and Edinburgh in 1937 and to Leeds in 1938.
    Gresley did not hesitate to incorporate outstanding features from elsewhere into his locomotive designs and was well aware of the work of André Chapelon in France. Four A4s built in 1938 were equipped with Kylchap twin blast-pipes and double chimneys to improve performance still further. The first of these to be completed, no. 4468, Mallard, on 3 July 1938 ran a test train at over 120 mph (193 km/h) for 2 miles (3.2 km) and momentarily achieved 126 mph (203 km/h), the world speed record for steam traction. J.Duddington was the driver and T.Bray the fireman. The use of high-speed trains came to an end with the Second World War. The A4s were then demonstrated to be powerful as well as fast: one was noted hauling a 730-ton, 22-coach train at an average speed exceeding 75 mph (120 km/h) over 30 miles (48 km). The war also halted electrification of the Manchester-Sheffield line, on the 1,500 volt DC overhead system; however, anticipating eventual resumption, Gresley had a prototype main-line Bo-Bo electric locomotive built in 1941. Sadly, Gresley died from a heart attack while still in office.
    [br]
    Principal Honours and Distinctions
    Knighted 1936. President, Institution of Locomotive Engineers 1927 and 1934. President, Institution of Mechanical Engineers 1936.
    Further Reading
    F.A.S.Brown, 1961, Nigel Gresley, Locomotive Engineer, Ian Allan (full-length biography).
    John Bellwood and David Jenkinson, Gresley and Stanier. A Centenary Tribute (a good comparative account).
    PJGR

    Biographical history of technology > Gresley, Sir Herbert Nigel

  • 2 mantener

    v.
    1 to keep.
    mantener algo en buen estado to keep something in good condition
    mantener una promesa to keep a promise
    mantener la calma to stay calm
    Los mantengo trabajando I keep them working.
    Ellos mantienen el proyecto They maintain the project.
    2 to support (with scaffold, columns).
    mantén los brazos en alto keep your arms in the air
    3 to support.
    con su sueldo mantiene a toda la familia he has to support o keep his whole family with his wages
    4 to have (relationships, conversations).
    mantener relaciones con alguien to have a relationship with somebody
    mantiene su inocencia she maintains that she is innocent
    mantiene que no la vió he maintains that he didn't see her
    6 to maintain, to keep, to conserve, to hold.
    Ellos mantienen unas mantas They maintain some bedcovers.
    Ellos mantienen su opinión They maintain their opinion.
    María mantiene a su hijo Mary maintains=provides for her son.
    Ella mantiene su declaración She maintains her declaration.
    7 to claim to, to hold to, to maintain to.
    Ellos mantienen haber limpiado They claim to have cleaned.
    * * *
    Conjugation model [ TENER], like link=tener tener
    1 (conservar) to keep
    ■ 'Mantenga Zamora limpia' "Keep Zamora tidy"
    2 (tener) to keep
    ■ 'Mantener fuera del alcance de los niños' "Keep out of the reach of children"
    3 (sostener) to support, hold up, hold
    4 (sustentar) to support, maintain
    5 (afirmación etc) to maintain
    ■ pues yo mantengo que no es verdad well, I maintain that it is not true
    6 (conversación, relaciones) to have; (reunión) to hold, have; (correspondencia) to keep up; (promesa, palabra) to keep
    1 (sostenerse) to remain, stand
    2 (continuar en un estado, una posición) to keep
    3 (sustenerse) to manage, maintain oneself, support oneself
    4 (alimentarse) to eat, live
    ■ se mantiene a base de fruta she lives on fruit, she eats only fruit
    \
    mantener algo en secreto to keep something secret
    mantenerse aparte to stay out of it, not get involved
    mantenerse en contacto con to stay in contact with
    mantenerse en forma to keep in shape, keep in trim, keep fit
    mantenerse en pie to stand, remain standing
    mantenerse en sus trece to stick to one's guns
    mantenerse vivo,-a to stay alive
    * * *
    verb
    3) hold
    * * *
    1. VT
    1) (=sostener) [gen] to hold; [+ puente, techo] to support
    2) (=preservar)
    a) [en un lugar] to store, keep

    "manténgase en un lugar fresco y seco" — "store in a cool dry place"

    b) [en un estado o situación] to keep

    • mantener algo caliente — to keep sth hot

    • mantener algo en equilibrio — to balance sth, keep sth balanced

    • mantener algo en secreto — to keep sth a secret

    raya I, 1)
    3) (=conservar) [+ opinión] to maintain, hold; [+ costumbre, ideales] to keep up, maintain; [+ disciplina] to maintain, keep; [+ promesa] to keep

    me marcho manteniendo mi opinión — I'm leaving, but I stand by my opinion

    • al conducir hay que mantener la distancia de seguridad — you have to keep (at) a safe distance when driving

    • mantener el equilibrio — to keep one's balance

    • mantener el fuego — to keep the fire going

    • mantener la línea — to keep one's figure, keep in shape

    • mantener la paz — to keep the peace, maintain peace

    calma, distancia
    4) [económicamente] to support, maintain

    ya no pienso mantenerla más — I refuse to keep o support o maintain her any longer

    5) [+ conversación, contacto] to maintain, hold

    ¿han mantenido ustedes relaciones sexuales? — have you had sexual relations?

    correspondencia 2)
    6) (=afirmar) to maintain
    2.
    See:
    * * *
    1.
    verbo transitivo
    1) ( económicamente) <familia/persona> to support, maintain; < perro> to keep; < amante> to keep
    2)
    a) (conservar, preservar) to keep

    mantener la calma/la compostura — to keep calm/one's composure

    b) (cierto estado, cierta situación) (+ compl) to keep
    3)
    a) < conversaciones> to have; < contactos> to maintain, keep up; < correspondencia> to keep up; < relaciones> to maintain
    b) ( cumplir) <promesa/palabra> to keep
    4) (afirmar, sostener) to maintain
    2.
    mantenerse verbo pronominal
    1) ( sustentarse económicamente) to support oneself
    2) (en cierto estado, cierta situación) (+ compl) to keep
    * * *
    = hold together, keep, maintain, maintain, preserve, retain, store, support, sustain, uphold, hold, service, carry on, keep + Nombre + going, operate, hold on to.
    Ex. The organization was trembling on the brink of financial disaster, and only the journal, American Documentation, was holding it together.
    Ex. Guard book or scrapbook type arrangement, with possibly a loose-leaf format, is suitable for organising and keeping cuttings, letters and other small items.
    Ex. Expressiveness can be difficult to maintain as new subjects are added.
    Ex. They maintain, in an article written for Library Resources and Technical Services (LRTS) 'that automated cataloging systems have addressed only half of the problems of maintaining a library catalog'.
    Ex. The concepts are organised into facets, and the facets are arranged and applied in such a way that the general to special order is preserved.
    Ex. At an earlier stage, the Library of Congress had decided to retain certain pre-AACR headings, in order to avoid the expense of extensive recataloguing.
    Ex. The records in a computer data base are structured in order to suit the information that is being stored for various applications.
    Ex. In order to support these three elements, and to ensure that schemes are updated it is important to have some organisation which takes responsibility for revision and publication.
    Ex. Publishers in the United Stated benefit from a larger home market which serves to sustain the production of an information tool.
    Ex. It's about time that we go back to these principles and make sure that the quality of cataloging is upheld.
    Ex. Some theorists hold that one stage must be completely worked through before the next stage can be entered.
    Ex. Special storage facilities have been constructed which are at present serviced manually but will soon be computerised.
    Ex. If a child detects that no very strong value is placed on reading then he feels no compulsion to develop his own reading skill beyond the minimal, functional level we all need simply to carry on our daily lives in our print-dominated society.
    Ex. The author explains how libraries can keep their services going without being slaves to the job.
    Ex. These references operate in a similar fashion whether they are used to link authors' names or subject headings.
    Ex. The girls were swept away by the water as they failed to hold on to the bus stand.
    ----
    * capacidad de mantener la atención = attention span.
    * debate + mantenerse = debate + rage.
    * de mantener una conversación = conversational.
    * el que mantiene a la familia = breadwinner [bread winner].
    * mantener a Alguien alerta = keep + Nombre + on + Posesivo + toes.
    * mantener a Alguien atento = keep + Nombre + on + Posesivo + toes.
    * mantener a Alguien en vilo = keep + Nombre + on + Posesivo + toes.
    * mantener a Alguien informado de = keep + Nombre + posted on.
    * mantener activo = keep + Nombre + going.
    * mantener a flote = keep + afloat.
    * mantener a la par de = keep up with.
    * mantener alejado = keep away, keep + Nombre + out.
    * mantener Algo abierto = hold + Nombre + open.
    * mantener Algo activo = keep + Nombre + at the fore.
    * mantener Algo alejado = keep + Nombre + at arm's length.
    * mantener Algo al mínimo = keep + Nombre + at a minimum.
    * mantener Algo a salvo = keep + Nombre + out of harm's way.
    * mantener Algo controlado = keep + Nombre + in check.
    * mantener Algo en el buen camino = keep + Nombre + on track.
    * mantener Algo en equilibrio = keep + Nombre + in balance.
    * mantener Algo en la dirección correcta = keep + Nombre + on track.
    * mantener Algo en orden = keep + Nombre + in order.
    * mantener Algo fuera de peligro = keep + Nombre + out of harm's way.
    * mantener Algo ordenado = keep + Nombre + tidy, keep + Nombre + in order.
    * mantener Algo vivo = keep + the flame alive, keep + Nombre + at the fore.
    * mantener al ralentí = idle.
    * mantener a mano = keep to + hand.
    * mantener aparte = keep + separate.
    * mantener a raya = keep at + bay, hold off, keep + Nombre + in line, hold at + bay.
    * mantener bajo control = keep + a rein on.
    * mantener bajo vigilancia = keep under + observation.
    * mantener constancia de = keep + record of.
    * mantener contacto = maintain + contact.
    * mantener control = hold + the reins of control.
    * mantener cooperación = maintain + cooperation.
    * mantener dentro = keep + Nombre + in.
    * mantener el control = stay in + control.
    * mantener el ímpetu = maintain + momentum.
    * mantener el interés = hold + the interest.
    * mantener el orden = keep + order, police.
    * mantener el orden público = maintain + public order.
    * mantener el ritmo = keep + pace.
    * mantener el tipo = keep + a stiff upper lip.
    * mantener en observación = hold under + observation, keep under + observation.
    * mantener en privado = be out of the public eye.
    * mantener en reserva = keep on + reserve, keep in + reserve.
    * mantener en secreto = keep + secret, keep + hush hush, keep + confidential, keep + Nombre + under wraps.
    * mantener en sintonía = keep in + step.
    * mantener firme = keep + steady, hold in + line, hold + steady.
    * mantener informado = keep + informed.
    * mantener junto = keep together.
    * mantener la atención de Alguien = hold + Posesivo + attention.
    * mantener la boca cerrada = keep + Posesivo + mouth shut.
    * mantener la bola rodando = keep + the ball rolling.
    * mantener la cabeza = keep + Posesivo + head, keep + Posesivo + head together.
    * mantener la cabeza alta = hold + Posesivo + head high.
    * mantener la cabeza fría = keep + a cool head, remain + cool-headed, play it + cool.
    * mantener la calma = keep + Posesivo + head, keep + Posesivo + head together, keep + Pronombre + cool, remain + cool-headed, keep + a cool head, play it + cool.
    * mantener la coherencia = maintain + consistency.
    * mantener la compostura = keep + a cool head, remain + cool-headed, play it + cool.
    * mantener la condición (de) = retain + Posesivo + status (as).
    * mantener la continuidad = maintain + continuity.
    * mantener la delantera = keep + ahead.
    * mantener la disciplina = maintain + discipline.
    * mantener la palabra = keep + Posesivo + word, live up to + Posesivo + word.
    * mantener la posición = hold + the line.
    * mantener las apariencias = keep up + appearances.
    * mantener las cosas en marcha = keep + the ball rolling, keep + it rolling.
    * mantener las cosas en movimiento = keep + the ball rolling, keep + it rolling.
    * mantener las cosas funcionando = keep + the ball rolling, keep + it rolling.
    * mantener las cuentas = keep + Posesivo + accounts.
    * mantener las distancias con = keep + Nombre + at arm's length.
    * mantener la serenidad = keep + Pronombre + cool, keep + a cool head, remain + cool-headed, play it + cool.
    * mantener la tradición = keep with + tradition.
    * mantener la vida = sustain + life.
    * mantener libre de = keep + free of.
    * mantener los ojos bien abiertos = keep + Posesivo + eyes (wide) open, keep + Posesivo + eyes peeled, keep + Posesivo + eyes skinned.
    * mantener los precios = hold + prices down.
    * mantener oculto = keep + Nombre + under wraps.
    * mantener ocupado = keep + busy.
    * mantener ordenado = keep + Nombre + neat and tidy.
    * mantener presente = keep before.
    * mantener presionado = hold down.
    * mantener registro de = keep + record of.
    * mantener relaciones = maintain + contact, maintain + relationships, maintain + relations.
    * mantener relaciones comerciales = do + business.
    * mantenerse actualizado = keep up to + date (with).
    * mantenerse actualizado de = keep + abreast of.
    * mantenerse a distancia = stand off.
    * mantenerse a flote = keep + Posesivo + head above the water, keep + the wolves from the door, stay + afloat, stay in + business.
    * mantenerse aislado = keep to + Reflexivo.
    * mantenerse a la cabeza = stay + ahead of the pack.
    * mantenerse a la escucha = stay + tuned.
    * mantenerse al corriente = keep + current.
    * mantenerse al corriente de = keep + abreast of, stay + abreast of, keep + track of.
    * mantenerse al día = keep up to + date (with), keep up with + the current scene, keep + current.
    * mantenerse al día de = keep + abreast of, keep + pace with, keep up with, stay + abreast of, keep + a finger on the pulse of, stay in + step with, keep in + step with, keep + step with.
    * mantenerse al día de las noticias = keep up with + the news.
    * mantenerse al día de los avances = track + developments.
    * mantenerse alejado = stay away, remain + aloof.
    * mantenerse alejado de = stay away from, steer + clear of, give + Nombre + a wide berth, steer away from.
    * mantenerse alejado de la mirada del público = shun + the public eye, keep out of + the public eye.
    * mantenerse alejado de la mirada pública = shun + the public eye, keep out of + the public eye.
    * mantenerse alejado de + Nombre = keep + Nombre + at a distance.
    * mantenerse alerta = keep + alert, keep + an eye open, keep + Posesivo + eyes (wide) open.
    * mantenerse al frente = keep + ahead.
    * mantenerse al margen = keep to + Reflexivo, take + a back seat, stand by, remain on + the sidelines.
    * mantenerse al margen de = remain + uninvolved in, hold + Reflexivo + apart from.
    * mantenerse al margen de Algo = stay above + Algo.
    * mantenerse al tanto = stay + tuned.
    * mantenerse al tanto de = keep in + sync, keep + a finger on the pulse of, keep + track of, stay in + step with, keep in + step with, keep + step with.
    * mantenerse al tanto de las cosas = stay on + top of things, keep on + top of things, be on top of things.
    * mantenerse al tanto de las noticias = keep up with + the news.
    * mantenerse al tanto de los avances = track + developments.
    * mantenerse atento = keep + Posesivo + eyes (wide) open.
    * mantenerse atento a lo que ocurre alrededor = have + an ear to the ground, keep + Posesivo + ear to the ground.
    * mantenerse bien = keep + well.
    * mantenerse caliente = keep + warm.
    * mantenerse callado = keep + quiet.
    * mantenerse callado y pensativo con cierto resentimiento = brood.
    * mantenerse como válido = hold up.
    * mantener secreto = keep + secret.
    * mantenerse despierto = keep + alert, stay + awake.
    * mantenerse en buen estado físico = keep + fit.
    * mantenerse en contacto = stay + tuned.
    * mantenerse en contacto (con) = keep in + touch (with), stay in + touch (with).
    * mantenerse en espera = stay + tuned.
    * mantenerse en forma = keep + fit.
    * mantenerse en línea con = keep in + line with.
    * mantenerse en pie = hold + Posesivo + own.
    * mantenerse en + Posesivo + trece = stick to + Posesivo + guns.
    * mantenerse en sincronía = keep in + sync.
    * mantenerse en su sitio = stand + Posesivo + ground.
    * mantenerse en sus trece = stand + Posesivo + ground.
    * mantenerse fiel a = stick with.
    * mantenerse fiel a los principios de Uno = stick to + Posesivo + principles.
    * mantenerse firme = stand + Posesivo + ground, stick to + Posesivo + guns.
    * mantenerse impasible = keep + a stiff upper lip.
    * mantenerse informado = keep up to + date (with), keep + current.
    * mantenerse informado de = keep + abreast of.
    * mantenerse lejos de = steer + clear of, give + Nombre + a wide berth, steer away from.
    * mantenerse líder = stay + ahead of the pack.
    * mantener(se) ocupado = keep + busy.
    * mantener separado = keep apart.
    * mantenerse por delante = keep + ahead.
    * mantenerse por delante de la competencia = keep + one step ahead of the game, keep + one step ahead of the competition.
    * mantenerse unidos = stick together.
    * mantenerse vigente = hold + Posesivo + own.
    * mantener silencio = keep + silent, keep + silence.
    * mantener sincronizado = keep in + step.
    * mantener suspenso en el aire = suspend.
    * mantener todo controlado = stay on + top of things, keep on + top of things, be on top of things.
    * mantener una actitud = hold + attitude.
    * mantener una actitud abierta = be open-minded.
    * mantener una apariencia de = maintain + a semblance of.
    * mantener una conversación = hold + conversation.
    * mantener una opinión = hold + view, hold + opinion.
    * mantener una promesa = keep + Posesivo + promise.
    * mantener una relación con = carry on + relationship with.
    * mantener un concepto = hold + concept.
    * mantener un control férreo sobre = hold + an iron grip on.
    * mantener un debate = hold + discussion.
    * mantener un equilibrio = balance, maintain + a balance, keep + a balance.
    * mantener un estándar = uphold + standard.
    * mantener un interés = pursue + interest.
    * mantener un registro = keep + log.
    * mantener un registro de = keep + track of, record.
    * mantener un sistema de turnos = hold + a rota of.
    * mantener vigente = keep + alive.
    * mantener vivo = keep + alive, maintain + momentum, keep + Nombre + going.
    * máquina que mantiene las constantes vitales = life-support system.
    * para mantener(se) ocupado = keep-busy.
    * voluntad de mantener Algo en secreto = secretiveness.
    * * *
    1.
    verbo transitivo
    1) ( económicamente) <familia/persona> to support, maintain; < perro> to keep; < amante> to keep
    2)
    a) (conservar, preservar) to keep

    mantener la calma/la compostura — to keep calm/one's composure

    b) (cierto estado, cierta situación) (+ compl) to keep
    3)
    a) < conversaciones> to have; < contactos> to maintain, keep up; < correspondencia> to keep up; < relaciones> to maintain
    b) ( cumplir) <promesa/palabra> to keep
    4) (afirmar, sostener) to maintain
    2.
    mantenerse verbo pronominal
    1) ( sustentarse económicamente) to support oneself
    2) (en cierto estado, cierta situación) (+ compl) to keep
    * * *
    = hold together, keep, maintain, maintain, preserve, retain, store, support, sustain, uphold, hold, service, carry on, keep + Nombre + going, operate, hold on to.

    Ex: The organization was trembling on the brink of financial disaster, and only the journal, American Documentation, was holding it together.

    Ex: Guard book or scrapbook type arrangement, with possibly a loose-leaf format, is suitable for organising and keeping cuttings, letters and other small items.
    Ex: Expressiveness can be difficult to maintain as new subjects are added.
    Ex: They maintain, in an article written for Library Resources and Technical Services (LRTS) 'that automated cataloging systems have addressed only half of the problems of maintaining a library catalog'.
    Ex: The concepts are organised into facets, and the facets are arranged and applied in such a way that the general to special order is preserved.
    Ex: At an earlier stage, the Library of Congress had decided to retain certain pre-AACR headings, in order to avoid the expense of extensive recataloguing.
    Ex: The records in a computer data base are structured in order to suit the information that is being stored for various applications.
    Ex: In order to support these three elements, and to ensure that schemes are updated it is important to have some organisation which takes responsibility for revision and publication.
    Ex: Publishers in the United Stated benefit from a larger home market which serves to sustain the production of an information tool.
    Ex: It's about time that we go back to these principles and make sure that the quality of cataloging is upheld.
    Ex: Some theorists hold that one stage must be completely worked through before the next stage can be entered.
    Ex: Special storage facilities have been constructed which are at present serviced manually but will soon be computerised.
    Ex: If a child detects that no very strong value is placed on reading then he feels no compulsion to develop his own reading skill beyond the minimal, functional level we all need simply to carry on our daily lives in our print-dominated society.
    Ex: The author explains how libraries can keep their services going without being slaves to the job.
    Ex: These references operate in a similar fashion whether they are used to link authors' names or subject headings.
    Ex: The girls were swept away by the water as they failed to hold on to the bus stand.
    * capacidad de mantener la atención = attention span.
    * debate + mantenerse = debate + rage.
    * de mantener una conversación = conversational.
    * el que mantiene a la familia = breadwinner [bread winner].
    * mantener a Alguien alerta = keep + Nombre + on + Posesivo + toes.
    * mantener a Alguien atento = keep + Nombre + on + Posesivo + toes.
    * mantener a Alguien en vilo = keep + Nombre + on + Posesivo + toes.
    * mantener a Alguien informado de = keep + Nombre + posted on.
    * mantener activo = keep + Nombre + going.
    * mantener a flote = keep + afloat.
    * mantener a la par de = keep up with.
    * mantener alejado = keep away, keep + Nombre + out.
    * mantener Algo abierto = hold + Nombre + open.
    * mantener Algo activo = keep + Nombre + at the fore.
    * mantener Algo alejado = keep + Nombre + at arm's length.
    * mantener Algo al mínimo = keep + Nombre + at a minimum.
    * mantener Algo a salvo = keep + Nombre + out of harm's way.
    * mantener Algo controlado = keep + Nombre + in check.
    * mantener Algo en el buen camino = keep + Nombre + on track.
    * mantener Algo en equilibrio = keep + Nombre + in balance.
    * mantener Algo en la dirección correcta = keep + Nombre + on track.
    * mantener Algo en orden = keep + Nombre + in order.
    * mantener Algo fuera de peligro = keep + Nombre + out of harm's way.
    * mantener Algo ordenado = keep + Nombre + tidy, keep + Nombre + in order.
    * mantener Algo vivo = keep + the flame alive, keep + Nombre + at the fore.
    * mantener al ralentí = idle.
    * mantener a mano = keep to + hand.
    * mantener aparte = keep + separate.
    * mantener a raya = keep at + bay, hold off, keep + Nombre + in line, hold at + bay.
    * mantener bajo control = keep + a rein on.
    * mantener bajo vigilancia = keep under + observation.
    * mantener constancia de = keep + record of.
    * mantener contacto = maintain + contact.
    * mantener control = hold + the reins of control.
    * mantener cooperación = maintain + cooperation.
    * mantener dentro = keep + Nombre + in.
    * mantener el control = stay in + control.
    * mantener el ímpetu = maintain + momentum.
    * mantener el interés = hold + the interest.
    * mantener el orden = keep + order, police.
    * mantener el orden público = maintain + public order.
    * mantener el ritmo = keep + pace.
    * mantener el tipo = keep + a stiff upper lip.
    * mantener en observación = hold under + observation, keep under + observation.
    * mantener en privado = be out of the public eye.
    * mantener en reserva = keep on + reserve, keep in + reserve.
    * mantener en secreto = keep + secret, keep + hush hush, keep + confidential, keep + Nombre + under wraps.
    * mantener en sintonía = keep in + step.
    * mantener firme = keep + steady, hold in + line, hold + steady.
    * mantener informado = keep + informed.
    * mantener junto = keep together.
    * mantener la atención de Alguien = hold + Posesivo + attention.
    * mantener la boca cerrada = keep + Posesivo + mouth shut.
    * mantener la bola rodando = keep + the ball rolling.
    * mantener la cabeza = keep + Posesivo + head, keep + Posesivo + head together.
    * mantener la cabeza alta = hold + Posesivo + head high.
    * mantener la cabeza fría = keep + a cool head, remain + cool-headed, play it + cool.
    * mantener la calma = keep + Posesivo + head, keep + Posesivo + head together, keep + Pronombre + cool, remain + cool-headed, keep + a cool head, play it + cool.
    * mantener la coherencia = maintain + consistency.
    * mantener la compostura = keep + a cool head, remain + cool-headed, play it + cool.
    * mantener la condición (de) = retain + Posesivo + status (as).
    * mantener la continuidad = maintain + continuity.
    * mantener la delantera = keep + ahead.
    * mantener la disciplina = maintain + discipline.
    * mantener la palabra = keep + Posesivo + word, live up to + Posesivo + word.
    * mantener la posición = hold + the line.
    * mantener las apariencias = keep up + appearances.
    * mantener las cosas en marcha = keep + the ball rolling, keep + it rolling.
    * mantener las cosas en movimiento = keep + the ball rolling, keep + it rolling.
    * mantener las cosas funcionando = keep + the ball rolling, keep + it rolling.
    * mantener las cuentas = keep + Posesivo + accounts.
    * mantener las distancias con = keep + Nombre + at arm's length.
    * mantener la serenidad = keep + Pronombre + cool, keep + a cool head, remain + cool-headed, play it + cool.
    * mantener la tradición = keep with + tradition.
    * mantener la vida = sustain + life.
    * mantener libre de = keep + free of.
    * mantener los ojos bien abiertos = keep + Posesivo + eyes (wide) open, keep + Posesivo + eyes peeled, keep + Posesivo + eyes skinned.
    * mantener los precios = hold + prices down.
    * mantener oculto = keep + Nombre + under wraps.
    * mantener ocupado = keep + busy.
    * mantener ordenado = keep + Nombre + neat and tidy.
    * mantener presente = keep before.
    * mantener presionado = hold down.
    * mantener registro de = keep + record of.
    * mantener relaciones = maintain + contact, maintain + relationships, maintain + relations.
    * mantener relaciones comerciales = do + business.
    * mantenerse actualizado = keep up to + date (with).
    * mantenerse actualizado de = keep + abreast of.
    * mantenerse a distancia = stand off.
    * mantenerse a flote = keep + Posesivo + head above the water, keep + the wolves from the door, stay + afloat, stay in + business.
    * mantenerse aislado = keep to + Reflexivo.
    * mantenerse a la cabeza = stay + ahead of the pack.
    * mantenerse a la escucha = stay + tuned.
    * mantenerse al corriente = keep + current.
    * mantenerse al corriente de = keep + abreast of, stay + abreast of, keep + track of.
    * mantenerse al día = keep up to + date (with), keep up with + the current scene, keep + current.
    * mantenerse al día de = keep + abreast of, keep + pace with, keep up with, stay + abreast of, keep + a finger on the pulse of, stay in + step with, keep in + step with, keep + step with.
    * mantenerse al día de las noticias = keep up with + the news.
    * mantenerse al día de los avances = track + developments.
    * mantenerse alejado = stay away, remain + aloof.
    * mantenerse alejado de = stay away from, steer + clear of, give + Nombre + a wide berth, steer away from.
    * mantenerse alejado de la mirada del público = shun + the public eye, keep out of + the public eye.
    * mantenerse alejado de la mirada pública = shun + the public eye, keep out of + the public eye.
    * mantenerse alejado de + Nombre = keep + Nombre + at a distance.
    * mantenerse alerta = keep + alert, keep + an eye open, keep + Posesivo + eyes (wide) open.
    * mantenerse al frente = keep + ahead.
    * mantenerse al margen = keep to + Reflexivo, take + a back seat, stand by, remain on + the sidelines.
    * mantenerse al margen de = remain + uninvolved in, hold + Reflexivo + apart from.
    * mantenerse al margen de Algo = stay above + Algo.
    * mantenerse al tanto = stay + tuned.
    * mantenerse al tanto de = keep in + sync, keep + a finger on the pulse of, keep + track of, stay in + step with, keep in + step with, keep + step with.
    * mantenerse al tanto de las cosas = stay on + top of things, keep on + top of things, be on top of things.
    * mantenerse al tanto de las noticias = keep up with + the news.
    * mantenerse al tanto de los avances = track + developments.
    * mantenerse atento = keep + Posesivo + eyes (wide) open.
    * mantenerse atento a lo que ocurre alrededor = have + an ear to the ground, keep + Posesivo + ear to the ground.
    * mantenerse bien = keep + well.
    * mantenerse caliente = keep + warm.
    * mantenerse callado = keep + quiet.
    * mantenerse callado y pensativo con cierto resentimiento = brood.
    * mantenerse como válido = hold up.
    * mantener secreto = keep + secret.
    * mantenerse despierto = keep + alert, stay + awake.
    * mantenerse en buen estado físico = keep + fit.
    * mantenerse en contacto = stay + tuned.
    * mantenerse en contacto (con) = keep in + touch (with), stay in + touch (with).
    * mantenerse en espera = stay + tuned.
    * mantenerse en forma = keep + fit.
    * mantenerse en línea con = keep in + line with.
    * mantenerse en pie = hold + Posesivo + own.
    * mantenerse en + Posesivo + trece = stick to + Posesivo + guns.
    * mantenerse en sincronía = keep in + sync.
    * mantenerse en su sitio = stand + Posesivo + ground.
    * mantenerse en sus trece = stand + Posesivo + ground.
    * mantenerse fiel a = stick with.
    * mantenerse fiel a los principios de Uno = stick to + Posesivo + principles.
    * mantenerse firme = stand + Posesivo + ground, stick to + Posesivo + guns.
    * mantenerse impasible = keep + a stiff upper lip.
    * mantenerse informado = keep up to + date (with), keep + current.
    * mantenerse informado de = keep + abreast of.
    * mantenerse lejos de = steer + clear of, give + Nombre + a wide berth, steer away from.
    * mantenerse líder = stay + ahead of the pack.
    * mantener(se) ocupado = keep + busy.
    * mantener separado = keep apart.
    * mantenerse por delante = keep + ahead.
    * mantenerse por delante de la competencia = keep + one step ahead of the game, keep + one step ahead of the competition.
    * mantenerse unidos = stick together.
    * mantenerse vigente = hold + Posesivo + own.
    * mantener silencio = keep + silent, keep + silence.
    * mantener sincronizado = keep in + step.
    * mantener suspenso en el aire = suspend.
    * mantener todo controlado = stay on + top of things, keep on + top of things, be on top of things.
    * mantener una actitud = hold + attitude.
    * mantener una actitud abierta = be open-minded.
    * mantener una apariencia de = maintain + a semblance of.
    * mantener una conversación = hold + conversation.
    * mantener una opinión = hold + view, hold + opinion.
    * mantener una promesa = keep + Posesivo + promise.
    * mantener una relación con = carry on + relationship with.
    * mantener un concepto = hold + concept.
    * mantener un control férreo sobre = hold + an iron grip on.
    * mantener un debate = hold + discussion.
    * mantener un equilibrio = balance, maintain + a balance, keep + a balance.
    * mantener un estándar = uphold + standard.
    * mantener un interés = pursue + interest.
    * mantener un registro = keep + log.
    * mantener un registro de = keep + track of, record.
    * mantener un sistema de turnos = hold + a rota of.
    * mantener vigente = keep + alive.
    * mantener vivo = keep + alive, maintain + momentum, keep + Nombre + going.
    * máquina que mantiene las constantes vitales = life-support system.
    * para mantener(se) ocupado = keep-busy.
    * voluntad de mantener Algo en secreto = secretiveness.

    * * *
    vt
    A (sustentar económicamente) ‹familia/persona› to support, maintain
    cuesta una fortuna mantener a ese perro tan grande it costs a fortune to keep that enormous dog
    ¡y pretende que ella lo mantenga! and he expects her to support o keep him!
    B
    1 (conservar, preservar) to keep
    mantener la calma/la compostura to keep calm/one's composure
    mantener el orden to keep o ( frml) maintain order
    para mantener la paz in order to keep the peace
    mantener su peso actual to maintain his present weight
    mantener las viejas tradiciones to keep up the old traditions
    2 (en cierto estado, cierta situación) (+ compl) to keep
    los postes mantienen la viga en posición the posts keep the beam in position
    mantener el equilibrio to keep one's balance
    lo mantiene en equilibrio sobre la punta de la nariz he balances it on the end of his nose
    los militares lo mantuvieron en el poder the military kept him in power
    todos los medicamentos deben mantenerse fuera del alcance de los niños all medicines should be kept out of reach of children
    [ S ] mantenga limpia su ciudad keep Norwich ( o York etc) tidy
    [ S ] una vez abierto manténgase refrigerado keep refrigerated once open
    no mantiene su coche en buenas condiciones he doesn't keep his car in good condition, he doesn't maintain his car very well
    sigue manteniendo vivos sus ideales he still keeps his ideals alive
    C
    1 ‹conversaciones› to have; ‹contactos› to maintain, keep up; ‹correspondencia› to keep up; ‹relaciones› to maintain
    durante las negociaciones mantenidas en Ginebra during the negotiations held in Geneva
    2 (cumplir) ‹promesa/palabra› to keep
    D (afirmar, sostener) to maintain
    mantiene que es inocente he maintains that he is innocent
    A (sustentarse económicamente) to support o maintain o keep oneself
    B (en cierto estado, cierta situación) (+ compl) to keep
    se mantuvieron en primera división they kept their place o they stayed in the first division
    mantenerse en forma to keep in shape, to keep fit
    lo único que se mantiene en pie es la torre all that remains is the tower, only the tower is still standing
    se mantiene al día she keeps up to date
    siempre se mantuvo a distancia he always kept his distance
    se mantuvo en contacto con sus amigos de la infancia he kept in touch with o kept up with his childhood friends
    se mantuvo neutral en la disputa he remained neutral in the dispute
    C
    (alimentarse): nos mantuvimos a base de latas we lived off tinned food
    se mantiene a base de vitaminas he lives on vitamin pills
    * * *

     

    mantener ( conjugate mantener) verbo transitivo
    1 ( económicamente) ‹familia/persona› to support, maintain;
    ‹ amante› to keep
    2 (conservar, preservar) to keep;

    mantener el equilibrio to keep one's balance;
    mantener algo en equilibrio to balance sth;
    para mantener su peso actual to maintain his present weight
    3

    ‹ contactos› to maintain, keep up;
    ‹ correspondencia› to keep up;
    ‹ relaciones› to maintain
    b) ( cumplir) ‹promesa/palabra› to keep

    4 (afirmar, sostener) to maintain
    mantenerse verbo pronominal
    1 ( sustentarse económicamente) to support oneself
    2 (en cierto estado, cierta situación) to keep;

    la torre aún se mantiene en pie the tower is still standing;
    mantenerse en contacto (con algn) to keep in touch (with sb)
    3 ( alimentarse):

    mantener verbo transitivo
    1 (conservar) to keep: ella mantiene vivo su recuerdo, she keeps his memory alive
    mantén la calma, keep calm
    2 (sostener) to have: mantuvimos una conversación muy seria, we had a very serious talk
    (una teoría, hipótesis) to defend, maintain
    3 (alimentar, sustentar) to support, feed: no podían mantener las dos casas, they couldn't keep up both houses
    4 (peso) to support, hold up
    ' mantener' also found in these entries:
    Spanish:
    callarse
    - conchabarse
    - conservar
    - conservarse
    - continuismo
    - escribirse
    - ir
    - hilo
    - línea
    - raya
    - sustentar
    - tener
    - tipo
    - ahuyentar
    - alerta
    - calma
    - correspondencia
    - corriente
    - disciplina
    - flote
    - guardar
    - llevar
    - mantiene
    - mantuve
    - orden
    - preservar
    - sujetar
    English:
    balance
    - bay
    - buoy
    - captive
    - carry on
    - cherish
    - cool
    - fire
    - hold
    - hold off
    - house
    - hygiene
    - image
    - keep
    - keep away
    - keep down
    - keep up
    - maintain
    - order
    - preserve
    - provide for
    - retain
    - secrecy
    - stall
    - support
    - suspense
    - sustain
    - swear
    - track
    - unionist
    - uphold
    - weight-watching
    - white elephant
    - carry
    - clear
    - conduct
    - correspond
    - credit
    - door
    - go
    - head
    - inform
    - occupy
    - peace
    - police
    - provide
    - segregate
    - stand
    - stick
    - struggle
    * * *
    ♦ vt
    1. [económicamente] to support;
    con su sueldo mantiene a toda la familia he has to support o keep his whole family with his wages
    2. [sostener] to keep;
    un andamio mantiene el edificio en pie a scaffold supports the building o keeps the building from falling down;
    mantén los brazos en alto keep your arms in the air
    3. [conservar] to keep;
    [ritmo, nivel, presión] to keep up;
    mantener las amistades to keep up one's friendships;
    mantener algo en buen estado to keep sth in good condition;
    mantener la calma to stay calm;
    mantener el orden to keep order;
    mantener la línea to keep one's figure;
    mantener una promesa/la palabra to keep a promise/one's word;
    mantenga limpia su ciudad [en letrero] keep your city tidy;
    manténgase en un lugar seco [en etiqueta] keep in a dry place;
    manténgase fuera del alcance de los niños [en medicamento, producto tóxico] keep out of the reach of children;
    es incapaz de mantener la boca cerrada he can't keep his mouth shut
    4. [tener] [conversación] to have;
    [negociaciones, diálogo] to hold;
    mantener correspondencia con alguien to correspond with sb;
    mantener relaciones con alguien to have a relationship with sb;
    mantener contactos con alguien to be in contact with sb
    5. [defender] [convicción, idea] to stick to;
    [candidatura] to refuse to withdraw;
    mantiene su inocencia she maintains that she is innocent;
    mantiene que no la vio he maintains that he didn't see her
    * * *
    v/t
    1 ( sujetar) hold; techo etc hold up
    2 ( preservar) keep
    4 económicamente support
    5 ( afirmar) maintain
    * * *
    mantener {80} vt
    1) sustentar: to support, to feed
    mantener uno su familia: to support one's family
    2) conservar: to keep, to preserve
    3) continuar: to keep up, to sustain
    mantener una correspondencia: to keep up a correspondence
    4) afirmar: to maintain, to affirm
    * * *
    1. (en general) to keep [pt. & pp. kept]
    2. (económicamente) to support
    3. (afirmar) to maintain
    4. (sujetar) to hold [pt. & pp. held]

    Spanish-English dictionary > mantener

  • 3 amtierend

    I Part. Präs. amtieren
    II Adj. incumbent; stellvertretend: acting; amtierender Meister umg. reigning champion(s)
    * * *
    incumbent; acting
    * * *
    (temporarily carrying out the duties of: He is acting president of the society.) acting
    * * *
    am·tie·rend
    adj inv, attr office-holding attr, present attr
    * * *
    A. ppr → amtieren
    B. adj incumbent; stellvertretend: acting;
    amtierender Meister umg reigning champion(s)
    * * *
    adj.
    acting adj.
    officiating adj.

    Deutsch-Englisch Wörterbuch > amtierend

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