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121 operation
1) действие2) операция3) оперирование4) процесс, ход5) работа, функционирование6) срабатывание7) управление8) эксплуатация•- hereditarily recursive operationoperation under VFR — авиац. визуальное самолётовождение
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122 position
1. n положение, местонахождение, расположение; местоcharted position — место, нанесённое на карту
2. n обычное, правильное место, положениеin position — на своём месте; в правильном месте
3. n воен. позиция, расположение; рубежfallback position — позиция, подготовленная для отступления
unmaintainable position — позиция, которую нельзя удержать
4. n положение, поза5. n должность, местоvacant position — незанятая должность; вакансия
6. n тк. общественное положение7. n положение, состояние8. n возможность; способность9. n позиция, точка зрения; отношение10. n филос. полагание11. n муз. позиция, положение левой руки на грифе12. n муз. положение, расположение13. n муз. фон. положение, позиция14. n амер. бирж. разг. позиция, срочный контракт; сделка на срокbull position — позиция спекулянтов, играющих на повышение
bear position — позиция спекулянтов, играющих на понижение
15. n амер. бирж. разг. остаток, сальдоdollar position — сальдо по расчётам в долларах, остаток на долларовых счетах
16. n амер. бирж. разг. запас; наличие материаловположение, позиция; поза; стойка
position of attention — положение «смирно»
down position — положение «на полу»
standing position — положение «стоя»
17. n амер. бирж. разг. спорт. место, занятое в соревновании18. v редк. ставить, помещать19. v редк. определять местонахождение; локализировать20. v редк. спорт. занимать место; выбирать позицию21. v редк. выпускать или рекламировать товар, предназначенный для определённой категории покупателейСинонимический ряд:1. arrangement (noun) arrangement; array; disposition; placement2. assertion (noun) assertion; contention; dictum; doctrine; predication; principle; proposition; thesis3. circumstances (noun) circumstances; predicament4. location (noun) bearing; capacity; employment; locale; locality; location; locus; orientation; point; site; situation; where5. place (noun) appointment; berth; billet; connection; job; office; place; post; slot; spot6. pose (noun) attitude; color; colour; condition; deportment; mien; outlook; pose; posture; stance; stand7. status (noun) cachet; character; consequence; dignity; footing; prestige; prominence; quality; rank; standing; state; station; stature; status8. view (noun) attitude; belief; conviction; idea; notion; opinion; persuasion; sentiment; view9. place (verb) arrange; discover; fix; install; locate; place; put; set; settle; site; situate -
123 Double Damask
This is not a double cloth. It is a linen fabric with one set of warp threads and one set of weft threads. The Belfast Textile Testing House gives the opinion that " the term Double Damask is only applicable to goods counting not less than 170 threads per square inch when bleached, and woven on the 8-thread or finer satin twill principle in which the weft considerably exceeds the warp in closeness." The proportion is about two warp to three weft threads Double damasks commence with about 80 ends and 90 picks per inch, from 50's/70's lea yarns. In actual trade they often have 80 ends and 120 picks per inch, and increase in multiples of five threads per inch to about 110 ends and 170 picks. An exceedingly fine linen damask contains 120 ends and 188 picks per inch, equal to 314 threads per square inch. -
124 Breguet, Abraham-Louis
SUBJECT AREA: Horology[br]baptized 10 January 1747 Neuchâtel, Switzerlandd. 17 September 1823 Paris, France[br]Swiss clock-and watchmaker who made many important contributions to horology.[br]When Breguet was 11 years old his father died and his mother married a Swiss watchmaker who had Paris connections. His stepfather introduced him to horology and this led to an apprenticeship in Paris, during which he also attended evening classes in mathematics at the Collège Mazarin. In 1775 he married and set up a workshop in Paris, initially in collaboration with Xavier Gide. There he established a reputation among the aristocracy for elegant and innovative timepieces which included a perpétuelle, or self-winding watch, which he developed from the ideas of Perrelet. He also enjoyed the patronage of Marie Antoinette and Louis XVI. During the French Revolution his life was in danger and in 1793 he fled to Neuchâtel. The two years he spent there comprised what was intellectually one of his most productive periods and provided many of the ideas that he was able to exploit after he had returned to Paris in 1795. By the time of his death he had become the most prestigious watchmaker in Europe: he supplied timepieces to Napoleon and, after the fall of the Empire, to Louis XVIII, as well as to most of the crowned heads of Europe.Breguet divided his contributions to horology into three categories: improvements in appearance and functionality; improvements in durability; and improvements in timekeeping. His pendule sympathique was in the first category and consisted of a clock which during the night set a watch to time, regulated it and wound it. His parachute, a spring-loaded bearing, made a significant contribution to the durability of a watch by preventing damage to its movement if it was dropped. Among the many improvements that Breguet made to timekeeping, two important ones were the introduction of the overcoil balance spring and the tourbillon. By bending the outside end of the balance spring over the top of the coils Breguet was able to make the oscillations of the balance isochronous, thus achieving for the flat spring what Arnold had already accomplished for the cylindrical balance spring. The timekeeping of a balance is also dependent on its position, and the tourbillon was an attempt to average-out positional errors by placing the balance wheel and the escapement in a cage that rotated once every minute. This principle was revived in a simplified form in the karussel at the end of the nineteenth century.[br]Principal Honours and DistinctionsHorloger de la marine 1815. Chevalier de la Légion d'honneur 1815.BibliographyBreguet gathered information for a treatise on horology that was never published but which was later plagiarized by Louis Moinet in his Traité d'horlogerie, 1848.Further ReadingG.Daniels, 1974, The An of Breguet, London (an account of his life with a good technical assessment of his work).DV -
125 Dore (Dorr), Samuel Griswold
SUBJECT AREA: Textiles[br]b. USAd. 1794 England[br]American inventor of the first rotary shearing machine.[br]To give a smooth surface to cloth such as the old English broadcloth, the nap was raised and then sheared off. Hand-operated shears of enormous size cut the fibres standing proud of the surface while the cloth was laid over a curved table top. Great skill was required to achieve a smooth finish. Various attempts, such as that in 1784 by James Harmer, a clergyman of Sheffield, were made to mechanize the process by placing several pairs of shears in a frame and operating them by cranks, but these were not successful. The first version of a rotary machine was made by Samuel Griswold Dore (sometimes spelt Dorr), an American from Albany, New York. His first frame, patented in 1792 in America, consisted of a wheel of twelve "spring knives" that were fixed like spokes and set at an angle of about 45° to the horizontal. Under this wheel, and on the same axle, rode a second one, carrying four "tangent knives" that lay almost flat upon the cloth. As the two wheels rotated above the cloth's surface, they acted in "the manner of shears". The principle used in Dore's machine is certainly different from that in the later, successful machine of John Lewis. The machine was thought to be too complicated and expensive for American woollen manufacturers and was much better suited to circumstances in the English industry, Dore therefore moved to England. However, in his British patent in 1793, he introduced a different design, which was more like that on which both Lewis's machine and the lawnmower were based, with knives set across the periphery of a hollow cylinder or barrel. Little more was heard of his machine in Britain, possibly because of Dore's death, which is mentioned in his patent of 1794, although it was used in America and France. Dore's son and others improved the machine in America and brought new specifications to England in 1811, when several patents were taken out.[br]Bibliography1792. US patent (rotary shearing machine).1793. British patent no. 1,945 (rotary shearing machine). 1794. British patent no. 1,985.Further ReadingD.J.Jeremy, 1981, Transatlantic Industrial Revolution. The Diffusion of Textile Technologies Between Britain and America, 1790–1830s, Oxford (examines Dore's inventions and their transfer to Britain).Mention of Dore can be found in: J. de L.Mann, 1971, The Cloth Industry in the West of England from 1660 to 1880, Oxford; K.G.Ponting, 1971, The Woollen Industry of South-West England, Bath.C.Singer (ed.), 1958, A History of Technology, Vol. IV, Oxford: Clarendon Press (discusses Dore's inventions).RLHBiographical history of technology > Dore (Dorr), Samuel Griswold
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126 Trevithick, Richard
[br]b. 13 April 1771 Illogan, Cornwall, Englandd. 22 April 1833 Dartford, Kent, England[br]English engineer, pioneer of non-condensing steam-engines; designed and built the first locomotives.[br]Trevithick's father was a tin-mine manager, and Trevithick himself, after limited formal education, developed his immense engineering talent among local mining machinery and steam-engines and found employment as a mining engineer. Tall, strong and high-spirited, he was the eternal optimist.About 1797 it occurred to him that the separate condenser patent of James Watt could be avoided by employing "strong steam", that is steam at pressures substantially greater than atmospheric, to drive steam-engines: after use, steam could be exhausted to the atmosphere and the condenser eliminated. His first winding engine on this principle came into use in 1799, and subsequently such engines were widely used. To produce high-pressure steam, a stronger boiler was needed than the boilers then in use, in which the pressure vessel was mounted upon masonry above the fire: Trevithick designed the cylindrical boiler, with furnace tube within, from which the Cornish and later the Lancashire boilers evolved.Simultaneously he realized that high-pressure steam enabled a compact steam-engine/boiler unit to be built: typically, the Trevithick engine comprised a cylindrical boiler with return firetube, and a cylinder recessed into the boiler. No beam intervened between connecting rod and crank. A master patent was taken out.Such an engine was well suited to driving vehicles. Trevithick built his first steam-carriage in 1801, but after a few days' use it overturned on a rough Cornish road and was damaged beyond repair by fire. Nevertheless, it had been the first self-propelled vehicle successfully to carry passengers. His second steam-carriage was driven about the streets of London in 1803, even more successfully; however, it aroused no commercial interest. Meanwhile the Coalbrookdale Company had started to build a locomotive incorporating a Trevithick engine for its tramroads, though little is known of the outcome; however, Samuel Homfray's ironworks at Penydarren, South Wales, was already building engines to Trevithick's design, and in 1804 Trevithick built one there as a locomotive for the Penydarren Tramroad. In this, and in the London steam-carriage, exhaust steam was turned up the chimney to draw the fire. On 21 February the locomotive hauled five wagons with 10 tons of iron and seventy men for 9 miles (14 km): it was the first successful railway locomotive.Again, there was no commercial interest, although Trevithick now had nearly fifty stationary engines completed or being built to his design under licence. He experimented with one to power a barge on the Severn and used one to power a dredger on the Thames. He became Engineer to a project to drive a tunnel beneath the Thames at Rotherhithe and was only narrowly defeated, by quicksands. Trevithick then set up, in 1808, a circular tramroad track in London and upon it demonstrated to the admission-fee-paying public the locomotive Catch me who can, built to his design by John Hazledine and J.U. Rastrick.In 1809, by which date Trevithick had sold all his interest in the steam-engine patent, he and Robert Dickinson, in partnership, obtained a patent for iron tanks to hold liquid cargo in ships, replacing the wooden casks then used, and started to manufacture them. In 1810, however, he was taken seriously ill with typhus for six months and had to return to Cornwall, and early in 1811 the partners were bankrupt; Trevithick was discharged from bankruptcy only in 1814.In the meantime he continued as a steam engineer and produced a single-acting steam engine in which the cut-off could be varied to work the engine expansively by way of a three-way cock actuated by a cam. Then, in 1813, Trevithick was approached by a representative of a company set up to drain the rich but flooded silver-mines at Cerro de Pasco, Peru, at an altitude of 14,000 ft (4,300 m). Low-pressure steam engines, dependent largely upon atmospheric pressure, would not work at such an altitude, but Trevithick's high-pressure engines would. Nine engines and much other mining plant were built by Hazledine and Rastrick and despatched to Peru in 1814, and Trevithick himself followed two years later. However, the war of independence was taking place in Peru, then a Spanish colony, and no sooner had Trevithick, after immense difficulties, put everything in order at the mines then rebels arrived and broke up the machinery, for they saw the mines as a source of supply for the Spanish forces. It was only after innumerable further adventures, during which he encountered and was assisted financially by Robert Stephenson, that Trevithick eventually arrived home in Cornwall in 1827, penniless.He petitioned Parliament for a grant in recognition of his improvements to steam-engines and boilers, without success. He was as inventive as ever though: he proposed a hydraulic power transmission system; he was consulted over steam engines for land drainage in Holland; and he suggested a 1,000 ft (305 m) high tower of gilded cast iron to commemorate the Reform Act of 1832. While working on steam propulsion of ships in 1833, he caught pneumonia, from which he died.[br]BibliographyTrevithick took out fourteen patents, solely or in partnership, of which the most important are: 1802, Construction of Steam Engines, British patent no. 2,599. 1808, Stowing Ships' Cargoes, British patent no. 3,172.Further ReadingH.W.Dickinson and A.Titley, 1934, Richard Trevithick. The Engineer and the Man, Cambridge; F.Trevithick, 1872, Life of Richard Trevithick, London (these two are the principal biographies).E.A.Forward, 1952, "Links in the history of the locomotive", The Engineer (22 February), 226 (considers the case for the Coalbrookdale locomotive of 1802).See also: Blenkinsop, JohnPJGR -
127 ergodic
эргодический completely ergodic system ≈ вполне эргодическая система geometrically ergodic chain ≈ геометрически эргодическая цепь individual ergodic theorem ≈ индивидуальная эргодическая теорема infinite ergodic degree ≈ бесконечная эргодическая степень jointly ergodic processes ≈ совместно эргодические процессы maximal ergodic theorem ≈ максимальная эргодическая теорема mean ergodic criterion ≈ критерий эргодичности в среднем mean ergodic theorem ≈ статистическая эргодическая теорема pointwise ergodic theorem ≈ точечная [индивидуальная] эргодическая теорема random ergodic theorem ≈ вероятностная эргодическая теорема ratio ergodic theorem ≈ эргодическая теорема для отношений strongly ergodic chain ≈ строго эргодическая цепь uniform ergodic theorem ≈ равномерная эргодическая теорема weakly ergodic process ≈ слабо эргодический процесс - ergodic automorphism - ergodic behavior - ergodic capacity - ergodic chain - ergodic channel - ergodic class - ergodic component - ergodic consequence - ergodic contraction - ergodic convergence - ergodic criterion - ergodic decomposition - ergodic degree - ergodic distribution - ergodic flow - ergodic function - ergodic hypothesis - ergodic in - ergodic inequality - ergodic kernel - ergodic mapping - ergodic matrix - ergodic measure - ergodic method - ergodic operator - ergodic path - ergodic point - ergodic principle - ergodic probability - ergodic process - ergodic projection - ergodic property - ergodic semigroup - ergodic sequence - ergodic set - ergodic shift - ergodic source - ergodic state - ergodic subchain - ergodic system - ergodic theor - ergodic theorem - ergodic transformation - ergodic translation - jointly ergodic - strongly ergodic - uniformly ergodic - weakly ergodic - wide-sense ergodic Эргодическое -
128 correspondence
1) адекват
2) корреспонденция
3) соответствие
4) переписка
5) соответственность
– correspondence principle
– one-to-one correspondence
– set up correspondence
– theory of correspondence
См. также в других словарях:
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