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range error reducing

  • 1 ошибка измерения дальности

    Авиация и космонавтика. Русско-английский словарь > ошибка измерения дальности

  • 2 коррекция по дальности

    Atomic energy: range error reducing

    Универсальный русско-английский словарь > коррекция по дальности

  • 3 reducir

    v.
    1 to reduce.
    nos han reducido el sueldo our salary has been cut
    reducir algo a algo to reduce something to something
    reducir algo al absurdo to make a nonsense of something
    Ella redujo la velocidad She reduced the speed.
    2 to suppress, to subdue (someter) (país, ciudad).
    3 to convert (Mat) (convertir).
    4 to set (medicine).
    5 to shorten, to shrink.
    Ellos redujeron las tablas They shortened the boards.
    6 to cut down, to depress, to de-escalate, to deescalate.
    Ellos redujeron los gastos They cut down expenses.
    7 to conquer, to subdue, to subjugate.
    Ellos redujeron a los nativos They conquered the natives.
    8 to hydrogenate.
    * * *
    Conjugation model [ CONDUCIR], like link=conducir conducir
    1 (gen) to reduce
    2 (disminuir) to reduce, cut, cut down on
    3 (vencer) to subdue
    4 MEDICINA to set
    5 (una salsa, etc) to reduce, boil down
    1 AUTOMÓVIL to change down, change to a lower gear
    1 (gen) to be reduced; (decrecer) to decrease
    2 (resultar) to come down (a, to)
    * * *
    verb
    1) to reduce, cut
    * * *
    1. VT
    1) (=disminuir)
    a) [en cantidad] [+ gastos, inflación, precio] to reduce, bring down, cut; [+ tensión, ansiedad] to reduce; [+ riesgo] to reduce, lessen

    el autobús redujo su velocidad — the bus reduced speed, the bus slowed down

    el banco redujo su beneficio un 12% — the bank saw its profits fall by 12%

    • reducir algo en algo — to reduce sth by sth, cut sth by sth

    tenemos que reducir la producción en un 20% — we have to reduce o cut production by 20%

    • reducir a la mínima expresión — to reduce to the bare minimum

    • reducir algo al mínimo — to reduce o cut sth to the minimum

    • reducir algo a la mitad — to cut sth by half

    b) [en tiempo] [+ jornada laboral] to reduce, shorten; [+ sentencia] to reduce

    han reducido la mili a nueve meses — they have reduced o cut military service to nine months

    c) [en tamaño] [+ copia] to reduce; [+ discurso, artículo] to cut down, shorten
    2)

    • reducir algo a algo —

    a) (=limitar) to limit sth to sth; (=simplificar) to reduce sth to sth
    b) (=convertir) [+ cantidad, medida] to convert sth into sth; [+ fracción, ecuación] to reduce sth into sth
    3) (=someter) [+ ladrón, fugitivo, loco] to overpower; [+ alborotadores] to subdue; [+ fortaleza] to subdue, reduce frm

    • reducir a algn a la obediencia — to bring sb to heel

    • reducir a algn al silencio — [por la fuerza, por miedo] to silence sb; [por vergüenza, humillación] to reduce sb to silence

    4) (Med) [+ hueso, hernia] to set, reduce frm
    5) (Quím) to reduce
    6) LAm [en el mercado negro] to get rid of *
    2.
    VI (Aut) to change down
    3.
    See:
    * * *
    1.
    verbo transitivo
    1)
    a) <gastos/costos> to cut, reduce; <velocidad/producción/consumo> to reduce

    reducir al mínimo los riesgos — to minimize o to reduce the risks to a minimum

    le redujeron la pena — they shortened o reduced his sentence

    reducir algo a su mínima expresión — (Mat) to reduce something to its simplest form

    b) <fotocopia/fotografía> to reduce
    2)

    reducir algo A algo: reducir los gramos a milígramos to convert the grams to milligrams; quedaron reducidos a cenizas they were reduced to ashes; mis ilusiones quedaron reducidas a la nada — my dreams came to nothing

    b) (Quím) to reduce
    c) (AmS) < objeto robado> to receive, fence (colloq)
    3) ( dominar) <enemigo/rebeldes> to subdue; < ladrón> to overpower
    4) <fractura/hernia> to set, reduce (tech)
    2.
    1) (Coc) to reduce, boil down
    2) (Auto) to shift into a lower gear
    3.
    reducirse v pron

    reducirse A algo: todo se reduce a tener tacto it all comes down to being tactful; todo se redujo a un paseo por el río — in the end it was just a walk by the river

    * * *
    = abridge, compress, contract, curtail, erode, gut, narrow, prune, reduce, shorten, stifle, lower, cut back (on), cut, cut down (on), deplete, lessen, pare down, keep down + Nombre, retrench, narrow down, whittle (away/down/at), slim down, slow down, slow up, taper, wind + Nombre + down, cut + Nombre + short, scale back, downgrade [down-grade], shave off, shrink, mark + Nombre + down.
    Ex. Inevitably any abridgement poses the dilemma how to abridge, that is, what to leave out and what to include.
    Ex. A library of a million volumes could be compressed into one end of a desk.
    Ex. In the face of emergencies, breadth of vision tends to contract, narrowing the range of responses.
    Ex. The imposition of fee-based services may radically curtail the breadth of resources available to library users where historically information has been offered freely.
    Ex. These arrangements should also erode price differentials between Europe and the US, and permit each country to support its own online services.
    Ex. Prices of European produced scientific, technical and medical serials continue to gut US research libraries.
    Ex. Hierarchical relationships must be indicated in order that the users may broaden or narrow the search parameters.
    Ex. More balanced schedules were achieved by pruning the 31000 subjects enumerated in the fourteenth edition to 4700.
    Ex. The disadvantage of inversion of words is that inversion or indirect word order reduces predictability of form of headings.
    Ex. If there are holds on the title, the loan period is shortened to 14 days.
    Ex. Excessive emphasis on the need to exact payment will stifle the flow of information.
    Ex. When a forme was in place on the press stone, paper was lowered on to it by means of a tympan and frisket.
    Ex. But higher education, which expanded between 1959 and 1979 from 164,000 to 519,600 students in full-time higher education, has also been cutting back on purchases.
    Ex. 'The word's out: all departments have to cut their staffs by 10%' -- Her voice was weak and laden with woe.
    Ex. Abstracts cut down considerably on legwork in hunting for information.
    Ex. This intermediate grade would equate with the senior library assistant, a category much depleted in UK academic librarianship.
    Ex. Two possible solutions are possible: (1) to lessen the frequency of production, or (2) to reduce the amount of detail in the entries.
    Ex. He said again that we should pare it down to something much more in line with his figures.
    Ex. Activities such as gardening or cookery are dealt with in many books in ways which go far beyond the simple keeping down of weeds or just filling empty stomachs.
    Ex. In the face of overpublishing and growing scepticism, this once booming area is now retrenching and broadening its coverage = En vista del exceso de publicaciones y del creciente escepticismo, este área que una vez estuvo en auge ahora ha venido a menos.
    Ex. By specifying the fields to be searched, the user can narrow down the search in a very convenient way.
    Ex. However, such idealism is often whittled away over time by bureaucratic problems & organizational demands.
    Ex. The abundance of book types and titles makes display and merchandising increasingly difficult; some booksellers are dealing with this by slimming down or cutting out certain categories.
    Ex. However, the flight from DC appears to have slowed down more quickly than was anticipated, and we no longer read of large numbers of libraries making the change.
    Ex. Since cataloging is the most time consuming part of digitization, it has slowed up the placement of files.
    Ex. The tube in the two types tapers almost unnoticeably from base to tip.
    Ex. Not the least of the ironies of this venture is that going ahead with it is as full of hazard as winding it down abruptly.
    Ex. May I just cut you short, because I've discussed this problem with Peter Jacobs just this week.
    Ex. He first spotted trouble when she started being short with users and so he solved the problem by scaling back her workload.
    Ex. The opposite of the 'halo effect' -- downgrading someone you dislike but whose work is good -- is also an error.
    Ex. You can shave off as much as 50% or even more from your current rate for home insurance in Arizona.
    Ex. The 'false hit' problem still arises, but becomes less likely as the 'neighborhood' of the two words shrinks.
    Ex. They have just marked down all summer handbags to 50 percent off.
    ----
    * que reduce el estrés = stress-reducing.
    * reducir a cero = reduce to + nil.
    * reducir a la mitad = halve, cut in + half, halve, reduce by + half.
    * reducir a la nada = reduce to + nil.
    * reducir al mínimo = minimise [minimize, -USA], reduce to + a minimum, cut down to + a minimum, keep to + a (bare) minimum, cut to + the bone.
    * reducir a lo mínimo = cut to + the bone.
    * reducir a miniatura = miniaturise [miniaturize, -USA].
    * reducir costes = reduce + costs.
    * reducir de plantilla = downsize.
    * reducir de tamaño = reduce in + size.
    * reducir el esfuerzo = reduce + effort.
    * reducir el impacto = minimise + impact.
    * reducir el papeleo = slash + red tape.
    * reducir el precio = reduce + price, cut + price.
    * reducir el presupuesto = cut + monies from + budget.
    * reducir el riesgo = reduce + risk.
    * reducir el tamaño = reduce + size.
    * reducir el tiempo = cut down + time.
    * reducir el valor = reduce + value.
    * reducir gastos = cut + costs, cut + spending, make + economies, make + cuts, reduce + costs.
    * reducir gradualmente = scale down.
    * reducir la burocracia = slash + red tape.
    * reducir la posibilidad = minimise + possibility.
    * reducir la probabilidad = reduce + chances.
    * reducir las diferencias = bridge + the gap, bridge + the divide, bridge + the chasm, bridge + the gulf, close + the gap.
    * reducir las diferencias entre... y = narrow + the gap between... and.
    * reducir las distancias = reduce + distance, close + the gap.
    * reducir las posibilidades de = narrow + the vision of.
    * reducir los beneficios = cut + profit.
    * reducir los impuestos = cut + taxes.
    * reducir pérdidas = cut down + losses, cut + losses.
    * reducir progresivamente = phase out.
    * reducirse a = boil down to, come down to.
    * reducirse poco a poco = dribble off.
    * reducir una limitación = push + limits (further and further back).
    * reducir una palabra a su raíz = stem.
    * reducir un obstáculo = lower + barrier.
    * * *
    1.
    verbo transitivo
    1)
    a) <gastos/costos> to cut, reduce; <velocidad/producción/consumo> to reduce

    reducir al mínimo los riesgos — to minimize o to reduce the risks to a minimum

    le redujeron la pena — they shortened o reduced his sentence

    reducir algo a su mínima expresión — (Mat) to reduce something to its simplest form

    b) <fotocopia/fotografía> to reduce
    2)

    reducir algo A algo: reducir los gramos a milígramos to convert the grams to milligrams; quedaron reducidos a cenizas they were reduced to ashes; mis ilusiones quedaron reducidas a la nada — my dreams came to nothing

    b) (Quím) to reduce
    c) (AmS) < objeto robado> to receive, fence (colloq)
    3) ( dominar) <enemigo/rebeldes> to subdue; < ladrón> to overpower
    4) <fractura/hernia> to set, reduce (tech)
    2.
    1) (Coc) to reduce, boil down
    2) (Auto) to shift into a lower gear
    3.
    reducirse v pron

    reducirse A algo: todo se reduce a tener tacto it all comes down to being tactful; todo se redujo a un paseo por el río — in the end it was just a walk by the river

    * * *
    = abridge, compress, contract, curtail, erode, gut, narrow, prune, reduce, shorten, stifle, lower, cut back (on), cut, cut down (on), deplete, lessen, pare down, keep down + Nombre, retrench, narrow down, whittle (away/down/at), slim down, slow down, slow up, taper, wind + Nombre + down, cut + Nombre + short, scale back, downgrade [down-grade], shave off, shrink, mark + Nombre + down.

    Ex: Inevitably any abridgement poses the dilemma how to abridge, that is, what to leave out and what to include.

    Ex: A library of a million volumes could be compressed into one end of a desk.
    Ex: In the face of emergencies, breadth of vision tends to contract, narrowing the range of responses.
    Ex: The imposition of fee-based services may radically curtail the breadth of resources available to library users where historically information has been offered freely.
    Ex: These arrangements should also erode price differentials between Europe and the US, and permit each country to support its own online services.
    Ex: Prices of European produced scientific, technical and medical serials continue to gut US research libraries.
    Ex: Hierarchical relationships must be indicated in order that the users may broaden or narrow the search parameters.
    Ex: More balanced schedules were achieved by pruning the 31000 subjects enumerated in the fourteenth edition to 4700.
    Ex: The disadvantage of inversion of words is that inversion or indirect word order reduces predictability of form of headings.
    Ex: If there are holds on the title, the loan period is shortened to 14 days.
    Ex: Excessive emphasis on the need to exact payment will stifle the flow of information.
    Ex: When a forme was in place on the press stone, paper was lowered on to it by means of a tympan and frisket.
    Ex: But higher education, which expanded between 1959 and 1979 from 164,000 to 519,600 students in full-time higher education, has also been cutting back on purchases.
    Ex: 'The word's out: all departments have to cut their staffs by 10%' -- Her voice was weak and laden with woe.
    Ex: Abstracts cut down considerably on legwork in hunting for information.
    Ex: This intermediate grade would equate with the senior library assistant, a category much depleted in UK academic librarianship.
    Ex: Two possible solutions are possible: (1) to lessen the frequency of production, or (2) to reduce the amount of detail in the entries.
    Ex: He said again that we should pare it down to something much more in line with his figures.
    Ex: Activities such as gardening or cookery are dealt with in many books in ways which go far beyond the simple keeping down of weeds or just filling empty stomachs.
    Ex: In the face of overpublishing and growing scepticism, this once booming area is now retrenching and broadening its coverage = En vista del exceso de publicaciones y del creciente escepticismo, este área que una vez estuvo en auge ahora ha venido a menos.
    Ex: By specifying the fields to be searched, the user can narrow down the search in a very convenient way.
    Ex: However, such idealism is often whittled away over time by bureaucratic problems & organizational demands.
    Ex: The abundance of book types and titles makes display and merchandising increasingly difficult; some booksellers are dealing with this by slimming down or cutting out certain categories.
    Ex: However, the flight from DC appears to have slowed down more quickly than was anticipated, and we no longer read of large numbers of libraries making the change.
    Ex: Since cataloging is the most time consuming part of digitization, it has slowed up the placement of files.
    Ex: The tube in the two types tapers almost unnoticeably from base to tip.
    Ex: Not the least of the ironies of this venture is that going ahead with it is as full of hazard as winding it down abruptly.
    Ex: May I just cut you short, because I've discussed this problem with Peter Jacobs just this week.
    Ex: He first spotted trouble when she started being short with users and so he solved the problem by scaling back her workload.
    Ex: The opposite of the 'halo effect' -- downgrading someone you dislike but whose work is good -- is also an error.
    Ex: You can shave off as much as 50% or even more from your current rate for home insurance in Arizona.
    Ex: The 'false hit' problem still arises, but becomes less likely as the 'neighborhood' of the two words shrinks.
    Ex: They have just marked down all summer handbags to 50 percent off.
    * que reduce el estrés = stress-reducing.
    * reducir a cero = reduce to + nil.
    * reducir a la mitad = halve, cut in + half, halve, reduce by + half.
    * reducir a la nada = reduce to + nil.
    * reducir al mínimo = minimise [minimize, -USA], reduce to + a minimum, cut down to + a minimum, keep to + a (bare) minimum, cut to + the bone.
    * reducir a lo mínimo = cut to + the bone.
    * reducir a miniatura = miniaturise [miniaturize, -USA].
    * reducir costes = reduce + costs.
    * reducir de plantilla = downsize.
    * reducir de tamaño = reduce in + size.
    * reducir el esfuerzo = reduce + effort.
    * reducir el impacto = minimise + impact.
    * reducir el papeleo = slash + red tape.
    * reducir el precio = reduce + price, cut + price.
    * reducir el presupuesto = cut + monies from + budget.
    * reducir el riesgo = reduce + risk.
    * reducir el tamaño = reduce + size.
    * reducir el tiempo = cut down + time.
    * reducir el valor = reduce + value.
    * reducir gastos = cut + costs, cut + spending, make + economies, make + cuts, reduce + costs.
    * reducir gradualmente = scale down.
    * reducir la burocracia = slash + red tape.
    * reducir la posibilidad = minimise + possibility.
    * reducir la probabilidad = reduce + chances.
    * reducir las diferencias = bridge + the gap, bridge + the divide, bridge + the chasm, bridge + the gulf, close + the gap.
    * reducir las diferencias entre... y = narrow + the gap between... and.
    * reducir las distancias = reduce + distance, close + the gap.
    * reducir las posibilidades de = narrow + the vision of.
    * reducir los beneficios = cut + profit.
    * reducir los impuestos = cut + taxes.
    * reducir pérdidas = cut down + losses, cut + losses.
    * reducir progresivamente = phase out.
    * reducirse a = boil down to, come down to.
    * reducirse poco a poco = dribble off.
    * reducir una limitación = push + limits (further and further back).
    * reducir una palabra a su raíz = stem.
    * reducir un obstáculo = lower + barrier.

    * * *
    reducir [I6 ]
    vt
    A
    1 ‹gastos/costos› to cut, cut down on, reduce; ‹velocidad› to reduce; ‹producción/consumo› to reduce
    hemos reducido el número de casos we have brought down o reduced the number of cases
    redujeron el número de plazas they cut the number of places o the number of places was reduced
    han prometido reducir los impuestos they have promised to cut o reduce taxes
    con esto se intenta reducir al mínimo el riesgo de infección this is intended to minimize o to reduce to a minimum the risk of infection
    ejercicios para reducir (la) cintura exercises to reduce your waistline
    reducir algo A algo to reduce sth TO sth
    han reducido el texto a 50 páginas they have shortened o reduced the text to fifty pages
    le han reducido la pena a dos años they have commuted o shortened o reduced his sentence to two years
    la población quedó reducida a la mitad the population was reduced to half of its former size
    reducir algo a su mínima expresión ( Mat) to reduce sth to its simplest expression o form
    el suéter quedó reducido a su mínima expresión ( hum); the sweater shrank to nothing
    reducir algo EN algo to reduce sth BY sth
    pretenden reducir el gasto en cinco millones they aim to reduce costs by five million
    2 ‹fotocopia/fotografía› to reduce
    B
    1 (transformar) reducir algo A algo:
    reducir los gramos a miligramos to convert the grams to milligrams
    reducir quebrados a un mínimo común denominador to reduce fractions to their lowest common denominator
    quedaron reducidos a cenizas they were reduced to ashes
    2 ( Quím) to reduce
    3 ( AmS) ‹objeto robado› to receive, fence ( colloq)
    C (dominar, someter) ‹enemigo/rebeldes› to subdue; ‹ladrón› to overpower
    reducir a un pueblo a la esclavitud to reduce a people to slavery
    D ‹fractura/hernia› to set, reduce ( tech)
    E (CS) ‹cadáver/restos mortales› to exhume ( for reburial in a niche or smaller coffin)
    ■ reducir
    vi
    A ( Coc) to reduce, boil down
    dejar reducir la salsa leave the sauce to boil down o reduce
    B ( Auto) to shift into a lower gear, change down ( BrE)
    reducirse A algo:
    todo se reduce a saber interpretar las cifras it all comes down to knowing how to interpret the figures
    todo se redujo a una visita a la catedral y un paseo por el río in the end it was just a visit to the cathedral and a walk along the river
    * * *

     

    reducir ( conjugate reducir) verbo transitivo
    1
    a) ‹gastos/costos› to cut, reduce;

    ‹velocidad/producción/consumo› to reduce;

    reducir algo A algo to reduce sth to sth;
    reducir algo EN algo to reduce sth by sth
    b) ‹fotocopia/fotografía› to reduce

    2


    quedaron reducidos a cenizas they were reduced to ashes
    b) (AmS) ‹ objeto robado› to receive, fence (colloq)

    3 ( dominar) ‹enemigo/rebeldes› to subdue;
    ‹ ladrón› to overpower
    reducirse verbo pronominal:

    reducir
    I verbo transitivo
    1 (disminuir) to reduce
    reducir algo en algo, to reduce sthg by sthg
    (gastos, consumo, etc) to cut (down), minimize
    2 (convertir, transformar) to reduce: el incendio redujo el bosque a cenizas, the fire reduced the wood to ashes
    3 (subyugar) to subdue
    II vi Auto to change down, US to downshift

    ' reducir' also found in these entries:
    Spanish:
    bajar
    - ceniza
    - encaminada
    - encaminado
    - moler
    - disminuir
    - minimizar
    - mínimo
    - mira
    English:
    administrative
    - austerity
    - ax
    - axe
    - change down
    - corner
    - curtail
    - cut
    - cut back
    - cut down
    - decrease
    - deficit
    - deplenish
    - deplete
    - depress
    - downsize
    - effective
    - halve
    - lighten
    - lower
    - narrow down
    - prune
    - pulp
    - rate
    - receive
    - reduce
    - retrench
    - scale down
    - shorten
    - slow
    - wind down
    - bring
    - cost
    - deaden
    - decelerate
    - diminish
    - discount
    - get
    - lessen
    - loss
    - minimize
    - over
    - pare
    - scale
    - slacken
    - traffic
    - whittle
    - wind
    * * *
    ♦ vt
    1. [disminuir] to reduce;
    [gastos, costes, impuestos, plantilla] to cut; [producción] to cut (back on);
    nos han reducido el sueldo our salary has been cut;
    reduzca la velocidad [en letrero] reduce speed now;
    reducir algo a algo to reduce sth to sth;
    el edificio quedó reducido a escombros the building was reduced to a pile of rubble;
    reducir algo al mínimo to reduce sth to a minimum;
    reducir algo a o [m5] en la mitad to reduce sth by half;
    tú todo lo reduces a tener dinero the only thing you care about is money;
    reducir a la mínima expresión to cut down to the bare minimum
    2. [fotocopia] to reduce
    3. [someter] [país, ciudad] to suppress, to subdue;
    [atracador, ladrón, sublevados] to overpower
    4. Mat [unidades de medida] to convert (a to); [fracciones, ecuaciones] to cancel out
    5. Med [hueso] to set
    6. Quím to reduce
    7. Culin [guiso, salsa] to reduce
    8. Andes, RP [objetos robados] to receive, to fence
    9. RP [cadáver] to exhume [for reburial in smaller container]
    ♦ vi
    1. [en el automóvil]
    reducir (de marcha o [m5] velocidad) to change down;
    reduce a tercera change down into third (gear)
    2. Culin [guiso, salsa] to reduce
    * * *
    v/t
    1 reduce (a to); gastos cut;
    reducir personal cut jobs, reduce staff numbers;
    reducir la marcha AUTO downshift, shift into a lower gear
    2 MIL overcome
    * * *
    reducir {61} vt
    1) disminuir: to reduce, to decrease, to cut
    2) : to subdue
    3) : to boil down
    * * *
    reducir vb to reduce

    Spanish-English dictionary > reducir

  • 4 Huygens, Christiaan

    SUBJECT AREA: Horology
    [br]
    b. 14 April 1629 The Hague, the Netherlands
    d. 8 June 1695 The Hague, the Netherlands
    [br]
    Dutch scientist who was responsible for two of the greatest advances in horology: the successful application of both the pendulum to the clock and the balance spring to the watch.
    [br]
    Huygens was born into a cultured and privileged class. His father, Constantijn, was a poet and statesman who had wide interests. Constantijn exerted a strong influence on his son, who was educated at home until he reached the age of 16. Christiaan studied law and mathematics at Ley den University from 1645 to 1647, and continued his studies at the Collegium Arausiacum in Breda until 1649. He then lived at The Hague, where he had the means to devote his time entirely to study. In 1666 he became a Member of the Académie des Sciences in Paris and settled there until his return to The Hague in 1681. He also had a close relationship with the Royal Society and visited London on three occasions, meeting Newton on his last visit in 1689. Huygens had a wide range of interests and made significant contributions in mathematics, astronomy, optics and mechanics. He also made technical advances in optical instruments and horology.
    Despite the efforts of Burgi there had been no significant improvement in the performance of ordinary clocks and watches from their inception to Huygens's time, as they were controlled by foliots or balances which had no natural period of oscillation. The pendulum appeared to offer a means of improvement as it had a natural period of oscillation that was almost independent of amplitude. Galileo Galilei had already pioneered the use of a freely suspended pendulum for timing events, but it was by no means obvious how it could be kept swinging and used to control a clock. Towards the end of his life Galileo described such a. mechanism to his son Vincenzio, who constructed a model after his father's death, although it was not completed when he himself died in 1642. This model appears to have been copied in Italy, but it had little influence on horology, partly because of the circumstances in which it was produced and possibly also because it differed radically from clocks of that period. The crucial event occurred on Christmas Day 1656 when Huygens, quite independently, succeeded in adapting an existing spring-driven table clock so that it was not only controlled by a pendulum but also kept it swinging. In the following year he was granted a privilege or patent for this clock, and several were made by the clockmaker Salomon Coster of The Hague. The use of the pendulum produced a dramatic improvement in timekeeping, reducing the daily error from minutes to seconds, but Huygens was aware that the pendulum was not truly isochronous. This error was magnified by the use of the existing verge escapement, which made the pendulum swing through a large arc. He overcame this defect very elegantly by fitting cheeks at the pendulum suspension point, progressively reducing the effective length of the pendulum as the amplitude increased. Initially the cheeks were shaped empirically, but he was later able to show that they should have a cycloidal shape. The cheeks were not adopted universally because they introduced other defects, and the problem was eventually solved more prosaically by way of new escapements which reduced the swing of the pendulum. Huygens's clocks had another innovatory feature: maintaining power, which kept the clock going while it was being wound.
    Pendulums could not be used for portable timepieces, which continued to use balances despite their deficiencies. Robert Hooke was probably the first to apply a spring to the balance, but his efforts were not successful. From his work on the pendulum Huygens was well aware of the conditions necessary for isochronism in a vibrating system, and in January 1675, with a flash of inspiration, he realized that this could be achieved by controlling the oscillations of the balance with a spiral spring, an arrangement that is still used in mechanical watches. The first model was made for Huygens in Paris by the clockmaker Isaac Thuret, who attempted to appropriate the invention and patent it himself. Huygens had for many years been trying unsuccessfully to adapt the pendulum clock for use at sea (in order to determine longitude), and he hoped that a balance-spring timekeeper might be better suited for this purpose. However, he was disillusioned as its timekeeping proved to be much more susceptible to changes in temperature than that of the pendulum clock.
    [br]
    Principal Honours and Distinctions
    FRS 1663. Member of the Académie Royale des Sciences 1666.
    Bibliography
    For his complete works, see Oeuvres complètes de Christian Huygens, 1888–1950, 22 vols, The Hague.
    1658, Horologium, The Hague; repub., 1970, trans. E.L.Edwardes, Antiquarian
    Horology 7:35–55 (describes the pendulum clock).
    1673, Horologium Oscillatorium, Paris; repub., 1986, The Pendulum Clock or Demonstrations Concerning the Motion ofPendula as Applied to Clocks, trans.
    R.J.Blackwell, Ames.
    Further Reading
    H.J.M.Bos, 1972, Dictionary of Scientific Biography, ed. C.C.Gillispie, Vol. 6, New York, pp. 597–613 (for a fuller account of his life and scientific work, but note the incorrect date of his death).
    R.Plomp, 1979, Spring-Driven Dutch Pendulum Clocks, 1657–1710, Schiedam (describes Huygens's application of the pendulum to the clock).
    S.A.Bedini, 1991, The Pulse of Time, Florence (describes Galileo's contribution of the pendulum to the clock).
    J.H.Leopold, 1982, "L"Invention par Christiaan Huygens du ressort spiral réglant pour les montres', Huygens et la France, Paris, pp. 154–7 (describes the application of the balance spring to the watch).
    A.R.Hall, 1978, "Horology and criticism", Studia Copernica 16:261–81 (discusses Hooke's contribution).
    DV

    Biographical history of technology > Huygens, Christiaan

  • 5 устройство


    device
    (агрегат, приспособление)
    - автоматического поиска записи программы (магнитофона) — automatic program locate device (apld)
    - автоматическое навигационное — automatic navigation device the dr computer is a part of the automatic navigation device.
    - автоматическое навигационное(ану) — dead reckoning computer, dr computer (dr cmptr)
    входные параметры: путевая скорость, угол сноса и карты, ивс, скорость и направление ветра для определения места ла. — in its traditional form the dr computer uses the ground and airspeed data, drift angle, wind speed and direction.
    - автономное (автоматическое) навигационное (ану) — dead-reckoning computer, dr computer
    - автостабилизирующее (вертолета) — automatic stabilization installation
    - алфавитно (-буквенно) цифровое печатающее (ацпу) — alpha-numerical printer
    -, антенносогласующее (асу) — antenna coupler
    - арифметическое (ау) — arithmetic unit
    -, арретирующее (арретир) — caging device
    -, блокирующее (блокировочное, для отключения и удержания в нерабочем положении оборудования при нарушении его нормальной работы) — lockout /locking-out/ device used to shut down ал@ hold an equipment out of service on occurrence of abnormal conditions.
    -, блокирующее — interlock
    устройство, включаемое срабатыванием другого устройства, находящимся с первым в прямой взаимосвязи, для управления данного или связанного с ним устройств, — а device actuated by operation of some other device with which it is directly associated, to govern succeeding operations of the same or allied devices.
    -, бортовое погрузочное (бпу) — (airborne) cargo handling device
    специальная каретка со стропами, перемещающаяся пo потолочным рельсам в грузовой кабине. — cargo handling device carriage moving along rails in cargo compartment.
    - ввода (в уст-ве ввода и индикации) — insertion device
    - ввода/вывода (увв, для эвм) — input/output device (in-out device)

    transfer of data between the program and input/output devices.
    - ввода и индикации (уви инерциальной навигационной системы) — control display unit (c/du, cdu)
    - вентилятора (гтд), реверсивное — fan reverser
    -, весоизмерительное — balance (for weighing)
    -, взлетно-посадочное (шасси) — landing gear
    -, визуальное сигнальное (аварийной сигнализации) — visual warning device
    - внутрисамолетной связи для техобслуживания — ground service interphone system, ground crew interphone system
    -, входное (двиг.) — engine air inlet section

    it is directly attached to the front flange of the engine.
    - выдержки времени (реле) — time delay relay
    -, выключающее (эл.) — tripping device
    механическое или электромагнитное ус-во для размыкания аэс. — а mechanical or electromagnetic device used for opening (turning off) a circuit breaker.
    -, выпрямительное (ву) — rectifier (rect)
    -, выпрямительное (трансформаторное) (ву) — transformer rectifier unit (tru)
    -, выхлопное (двиг.) — exhaust unit
    -, выходное (двиг. в реактивном сопле за турбиной) — exhaust unit
    -, вычислительное (ву) — computer (cmptr)
    -,вычислительное(системы ссос) — gpws computer
    -,вычислительное,директорное — steering computer command input signals are provided to the steering computer.
    -, вычислительное, канала крена (системы сау) — roll computer
    -, вычислительное, канала курса (сау) — yaw computer
    -, вычислительное, канала тангажа (сау) — pitch computer
    - горизонтирования (гироплатформы) — (platform) levelling unit /device/
    -, девиационное (магнит. компаса) (рис.80) — compass compensator
    -, декодирующее (дешифратор) — decoder
    устройство для декодирования кодовых сигналов. — a device for decoding а series of coded signals.
    -, демпфирующее — damper
    - для воспроизведения записи с магнитной ленты — tape reproducer
    - для выдачи бумажных полотенец — paper towel dispenser
    - для выдачи бумажных салфеток для лица (напр., для удаления косметики) — facial tissue dispenser
    - для выдачи бумажных стаканчиков — paper cup dispenser
    - для выдачи гигиенических пакетов — motion sickness bag dispenser
    - для выдачи гигиенических салфеток — sanitary napkin dispenser
    - для выдачи роликовой туалетной бумаги — toilet tissue roll paper dispenser
    - для записи речи — voice recorder
    устройство для записи переговоров членов экипажа. — that portion of the system used to record crew member conversation.
    - для контейнерной загрузки (ла) — unit load device (uld)
    - для определения отношения давлений (тяги) двигателя, вычислительное — engine pressure ratio computer used to determine engine rating for all modes of operation.
    - для предотвращений возникновения земного резонанса (вертолета) — ground resonance prevention device
    - для тарировки высотомера (см. устройство, тарировочное) — altimeter calibrator
    - для тарировки указателя воздушной скорости (см. устройство, тарировочное) — airspeed calibrator
    - для увеличения подъемной силы — high-lift device
    - для форсирования тяги — thrust augmentor
    - для хранения и выдачи полотенец (в туалете) — towel dispenser
    - для хранения и выдачи салфеток — napkin dispenser
    -, дозирующее — metering device
    -, дозирующее (насоса-регулятора двигателя) — throttle valve
    -, долговременное запоминающее (дзу) (постоянной информации) — permanent data storage unit (pdsu)
    -, загрузочное (в системе управления ла) — load feel unit
    -, задерживающее посадочное — arrester gear
    -, запальное — igniter
    устройство, непосредственно служащее для зажигания топлива (горючей смеси) в камере сгорания. — a device used to ignite fuel/air mixture in combustion chamber.
    -, запоминающее — storage /unit/, memory
    -, запоминающее ("блок памяти") — data storage unit (dsu) used to store information.
    -, запоминающее (блок памяти параметров полета) — flight data storage unit (fdsu)
    -, запоминающее ("память" доплеровского измерителя путевой скорости и сноса) — doppler memory (unit)
    в случае отсутствия подачи сигналов, запоминающее устройство фиксирует последние замеры путевой скорости и сноса ла для выдачи их на индикацию. — under conditions of signal loss, the ground speed and drift indication last measured will continue to be displayed indefinitely.
    -, запорно-редуцирующее — shut-off/pressure reducing valve
    -, защитное (в агрегате, системе) — protection /protective/ device
    -, защитное (снаряжение) — protective device
    защитные очки, маски, резиновые перчатки. — use protective devices, such as goggles, face masks, and rubber gloves.
    - защитное, катапультного кресла — ejection seat guard
    - защиты (эл. сети) — circuit protection device
    - защиты (эл. цепи) от повыщенного (или пониженного) напряжения — overvoltage (or undervoltage) protection device
    - защиты (эл. цепи) от пониженной (или повышенной) частоты — underfrequency (or overfrequency) protection device
    - защиты (эл.) сети, повторного включения — resettable circuit protective /protection/ device
    устройство должно размыкать цепь независимо от положения органов управления (выключателей, переключателей) при перегрузке и неисправности данной цепи. — each resettable circuit protective device must be designed so that, when an overload or circuit fault exists, it will open the circuit regardless of the position of the operating control.
    -, звуковое сигнальное (аварийной сигнализации) — audio warning device
    -, имитирующие — simulator
    устройство, имитирующее систему или явление. — а device which represents а system ог phenomenon.
    - индикации выставки (навигационной системы) — align display unit (adu) panel set mode selector of the adu panel to trim lat, trim long, align nav.
    - индикации и сигнализации углов атаки и перегрузок — angle-of-attack and acceleration indicating/warding system
    -, инициирующее (вызывающее срабатывание пиромеханизмов) — initiator
    - и работа (раздел ртэ) — construction and operation
    -, кодирующее (шифратор) — coder
    -, коммутационное — switching device, switch gear
    электрическое или механическое устройство, служащее дпя включения и/или выключения цепи (системы), — any device or mechanism, either electrical or mechanical, which can place another device or circuit in an operating or nonoperating state.
    -, коммутационное (соединительная или распределительная коробка) — junction box (jb)
    -, коммутирующее (ук, плата для размещения радиоэлементов напр., диодов, резисторов и т.п.) — circuit board
    - контроля — monitor
    -, контрольно-записывающее (типа кз для регистрации высоты, скорости, перегрузки) — altitude, airspeed and acceleration recorder, height-velocity-g recorder (hvg rcdr)
    -, коррекционное (гироскопического прибора) — erection mechanism
    -, ламельное (для приведения штока рулевого агрегата автопилота при выключенных режимах) — switching (contact) device
    -, лекальное (коррекционного механизма) — cam strip
    -, множительное (ум) — multiplier
    -, моделирующее — simulator
    -, монтажное (амортизированная рама, платформа) — shockmount
    -, наборное (частоты арм) — band selector switch
    -, навигационно-вычислительное (нву, навигационный координатор) состав: пу, задатчики зпу и угла карты, планшет, задатчик ветра. — dead-reckoning navigation system (drns) system incorporates: control panel, dtk and chart angle selectors, roller map and wind selector.
    -, навигационное вычислительнoe (доплеровского оборудования) (рис.82) — (doppler) navigation computer the doppler navigator provides outputs of velocity along and across heading to a navigation computer.
    -, навигационное вычислительное, цифроаналоговое — navigation analog-digital computer
    - навигационное, координаторное (типа ану, нву) — dead reckoning navigation system (drns)
    - натяга (ножного) привязного ремня (на катапультном кресле) — (lap) strap /belt/ retractor
    -, обеспечивающее плавучесть сухопутного самолета при аварийной посадке на воду. — flotation gear an emergency gear attached to а landplane to permit alighting on the water, and to provide buoyancy when resting on the surface of the water.
    - обмена — exchange device
    -, оперативное запоминающее (озу) (переменной информации) — random-access memory (ram), working (data) storage unit (wdsu)
    - определения аэродинамических поправок (к показаниям указателя скорости, высотомеров) (уоап) — position error correction (determination) device
    -, осветительное (лампа) — light
    - пеленгаторное — direction finder
    - первого каскада компрессоpa, входное — lp compressor air inlet section
    -, переходное (переходник) — adapter
    -, переходное (наружной подвески - для крепления к пилону) — store adapter shoe
    -, переходное (соединяющее двигатель с удлинительной трубой или трубу с соплом) — transition section
    -, погрузочно-разгрузочное — cargo handling device
    -, подпорное (в гидравлической системе) — intensifier
    - полупроводниковое.-, постоянное запоминяющее (пзу) — semiconductor device read-only memory (rom), permanent storage unit

    computer storage device which retains the stored data indefinitely.
    -, постоянное запоминающее (внешнее) — permanent storage (unit)
    - предотвращающее перекладку рычага управления шасси в убранное положение на земле — landing gear control lever antiretraction device
    -, предохранительное — safety device
    -, предохранительное (напр., колпачок на выключателе) — guard check switch guard down and safetied.
    - предупредительной тряски штурвала при приближении к критическому углу атаки — stick shaker turn off stall warn switch if alpha off light is illuminated to prevent stick shaker action resulting from a false stall warning due to alpha probe icing.
    -, преобразующее (в системе мсрп) — converter
    - приемопеленгаторное — direction-finder receiver
    -, приемопеленгаторное (арк) — direction finder
    -, программное (временное) — timer
    -, противообледенительное — anti-icer, de-icer
    -, противообледенительное воздушно-тепловое — hot air anti-icer
    -, противоюзовое — anti-skid device
    -, пусковое (pc или cc) — missile launcher
    -, пылезащитное (пзу, на воздухозаборник двигателя вертолета) — dust protection device (dust prot)
    -, развязывающее (эл.) — decoupler
    -, раздаточное (см. устройство для выдачи) — dispenser
    -, распределительное — distributor
    -, распределительное (эл. сети) — distribution panel (р)
    -, распределительное (распределительная коробка зл. сети) — junction box (jb)
    -, распределительное (панель азс) (напр. ру25) — circuit breaker panel, св panel, (св pnl, р) (р25)
    - распределительное (эл. шина) — bus
    -, распределительное (положение переключателя ру (шин), напр. ру1,ру2 и т.д.) — bus (1, 2) the bus selector switch is set in bus 1 position.
    -, распределительное (ру, распределительная шина) (рис.91) — distribution bus
    шина, запитываемая от питательной магистрали для дальнейшего распределения электропитания по фидерам и цепям. — а conductor connected to the (supply) mains from which electric power is taken to circuits and/or feeders.
    -, распределительное переменного тока (панель азс) — ac power circuit breaker panel
    -, распределительное постоянного тока (панель азс) — dc power circuit breaker panel
    -, распределительное хвостового (хру) (панель азс) — tail circuit breaker panel
    -, распределительное центральное (цру, панель азс) — main circuit breaker panel, main св panel
    -, распределительное центральное (цру, коробка) — main junction box (mjb)
    -, распределительное, центральное (цру, шина) — main distribution bus
    -, реверсивное (двигателя) — thrust reverser
    устройство для изменения направления тяги двигателя на обратно (рис.53). — a device for redirecting the engine exhaust to an opposite direction.
    -, реверсивное, включено — thrust reverser deployed (reverser dplyd, rvsr dpld)
    при включенном ру продолжать полет на пониженной скорости. — if reverser is deployed, continue (flying) at reduced speed.
    -, реверсивное выключено — thrust reverser stowed (reverser stwd, rvsr stwd)
    при невозможности выключения ру необходимо как можно скорее совершить посадку. — if reverser cannot be stowed, land as soon as practical.
    -, реверсивно-тормозное (рту) комбинация створок реверса тяги и тормозных щитков. — thrust/air brakes
    - реверсирования тяги, основное — primary thrust reverser
    - регистрации, бортовое — (flight data) recorder
    - регистрации звуковой информации в кабине экипажа — cockpit voice recorder (cvr)
    - регистрации высоты прибop для записи (изменений) высоты по времени полета. — altitude /height/ recorder an instrument by which variation in height is recorded against time.
    -, регулировочное — adjusting device, adjuster
    -, рулежно-демпфирующее (передней опоры шасси) — nosewheel steering/damping control valve (and follow-up assembly)
    - самоконтроля (встроенное) — (built-in, integral) self-test feature
    -, самолетное громкоговорящее (сгу) — passenger /public/ address system (pa)
    сгу предназначено для оповещения пассажиров через громкоговорители. — used to make voice announcements to the passengers over cabin loud speakers.
    -, самолетное переговорное (спу) — interphone system int, intph, intercommunication system (ics, intcom)
    оборудование, обеспечивающее связь между членами экипажа внутри самолета и с техническим персоналом на земле. — that portion of the system which is used by flight and ground personnel to communicate between areas on the aircraft.
    -, самолетное переговорное вспомогательное для связи с бортпроводниками и наземным обслуживающим персоналом. — service interphone system
    - самолетное переговорное громкоговорящее (спгу = сгу + спу) — interphone /intercom/ and passenger /public/ address system (int/pa)
    для связи между членами экипажа и обращения к пассажирам через громкоговорители. — used by the crew members to communicate, and to address the passengers over cabin loud speakers.
    - сброса (показаний прибора) — (instrument reading) reset knob
    -, светотехническое (арматура) — light
    - связи (в ацбс) — coupler, coupling device
    -, сигнальное (для подачи сигнала бедствия в случае аварийной посадки) — long-range signaling device
    - смотровое, оптическое — optical viewer
    наблюдение за механическим указателем положения шасси осуществляется посредством смотрового оптического устройства. — the nose gear (mechanical) indicators can be seen through an optical viewer in aft bulkhead.
    -, согласующее (системы регистрации параметров полета) — signal conditioning unit
    -, сопрягающее/сопряжения / (блоков, систем) — interface
    -, сравнивающее (блок сравнения данных) — comparator
    ус-тва и цепь для сравнения информации, поступающей из двух источников. — a device (in computer operations) or circuit for comparing information from two sources.
    -, стопорное (арретирующее) — caging device
    -, стопорное (фиксатор) — lock, latch
    - счисления пути, вычислительное — dead-reckoning computer dr computer outputs are latitude and longitude.
    -, тарировочное (калибратор) — calibrator
    - тарировочное (высотомера) — altimeter calibrator
    устройство для определения инструментальной погрешности высотомера. — an apparatus for measuring the instrument errors of an altimeter.
    -, тарировочное (указателя воздушной скорости) — airspeed calibrator an apparatus for measuring the instrument errors of an airspeed indicator.
    -, термокомпенсационное (напр., трубопровода) — thermal compensator
    -, тормозное (тормоз) — brake
    -, тормозное (специальное) к спец. тормозным устройствам относятся: устройства реверсирования тяги, возд. тормоза, спойлеры, реверсивные возд. винты. — deceleration device special deceleration (or retardation) devices include thrust reversers, air brakes, spoilers, ground fine and reverse pitch propellers.
    -, трансформаторно-выпрямительное (ву) — transformer-rectifier unit (tr, t/r, tru, xfmr-rect)
    - управляющее вычислительное (системы автоматического управления ла) — steering computer
    - усилительно-выпрямительное (уву) — transformer rectifier unit (tru)
    -, форсажное (форсажная камера) — afterburner
    -, форсажное (пд) — augmentor
    выхлопная система пд включает форсажное устройство. — exhaust system for reciproсating engines includes augmentors.
    -, фронтовое, двигателя (между двигателем и удлинительной трубой) — jet pipe transition section
    -, фронтовое, реактивного сопла (между удлинительной трубой и pc) — jet /propelling/ nozzle transition section
    -, центральное распределительное (панель) — main distribution panel
    -, центральное, распределительное (цру, коробка эл. сети) — main junction box (mjb)
    -, центральное распределительное (цру, шина) — main distribution bus
    шина между источником питания и распределительными шинами (рис.91). — a conductor connected between а generating source and distribution busses.
    -, центральное, распределительное (центральный распределительный энергоузел) — main distribution center wires extending from а generator bus to the main distribution center.
    -, цифровое вычислительное — digital computer
    вычислительное ус-во обрабатывающее и выдающее информацию в цифровой форме. — a computer which operates with information represented in а digital form.
    - часового типа (таймер) — timer, clockwork timing device
    -, электромагнитное стопорное (рулевого агрегата автопилота) — solenoid brake
    -, электромеханическое — electromechanical device
    гироскоп является точным электромеханическим устройством. — a gyroscope is а delicate electromechanical device.
    выполнять свою функцию (о защитном у.) — serve its purpose
    срабатывать (о защитном у.) — operate, become actuated, come into action

    Русско-английский сборник авиационно-технических терминов > устройство

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