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41 Pötsch, Friedrich Hermann
SUBJECT AREA: Mining and extraction technology[br]b. 12 December 1842 Biendorf, near Köthen, Germanyd. 9 June 1902 Dresden, Germany[br]German mine surveyor, inventor of the freezing process for sinking shafts.[br]Pötsch was the son of a forest officer and could not easily attend school, with the consequences that it took him a long time to obtain the scholarly education needed to enable him to begin work on a higher level with the mining administration in the duchy of Anhalt in 1868. Seven years later, he was licensed as a Prussian mining surveyor and in this capacity he worked with the mining inspectorate of Aschersleben. During that time he frequently came across shafts for brown-coal mines which had been sunk down to watery strata but then had to be abandoned. His solution to the problem was to freeze the quicksand with a solution of chloride; this was better than the previous attempts in England to instal cooling coils at the bottom of the shaft. Pötsch's conception implied the construction of ice walls with the means of boreholes and refrigerators. By his method a set of boreholes was driven through the watery strata, the smaller pipes contained within the main bore pipes, providing a channel through which calcium chloride was pumped, returning through the longer pipe until the ground was frozen solid. He obtained a patent in 1883 and many leading international journals reported on the method the same year.In 1884 he established the Internationale Gesselschaft für Schacht-, Brucken-und Tunnelbau in Magdeburg and he also became Director of the Poetsch-Sooy-Smith Freezing Company in New Jersey, which constructed the first freezing shaft in America in 1888.However, Pötsch was successful only for a short period of time and, being a clumsy entrepreneur, he had to dissolve his company in 1894. Unfortunately, his decision to carry out the complete shaft-sinking business did not allow him to concentrate on solving upcoming technical problems of his new process. It was Louis Gebhardt (1861–1924), his former engineer, who took care of development, especially in co-operation with French mining engineers, and thus provided the basis for the freezing process becoming widely used for shaft-sinking in complicated strata ever since.[br]Bibliography1886, Das Gefrierverfahren. Methode für schnelles, sicheres und lotrechtes Abteufen von Schächten im Schwimmsande und uberhaupt im wasserreichen Gebirge; für Herstellung tiefgehender Bruckenpfeiler und für TunnelBauten in rolligem und schwimmendem Gebirge, Freiberg.1889, Geschichtliches über die Entstehung und Herausbildung des Gefrierverfahrens, Magdeburg.1895, Das Gefrierverfahren und das kombinierte Schachtabbohr-und Gefrierverfahren (Patent Pötsch), Freiberg.Further ReadingD.Hoffmann, 1962, AchtJahrzehnte Gefrierverfahren nach Putsch, Essen: Glückauf (the most substantial biography; also covers technological aspects).G.Gach, 1986, In Schacht und Strecke, Essen: Glückauf, pp. 31–53 (provides information on the development of specialized mining companies in Germany originating in the freezing process).WKBiographical history of technology > Pötsch, Friedrich Hermann
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42 Daguerre, Louis Jacques Mandé
SUBJECT AREA: Photography, film and optics[br]b. 18 November 1787 Carmeilles-en-Parisis, Franced. 10 July 1851 Petit-Bry-sur-Marne, France[br]French inventor of the first practicable photographic process.[br]The son of a minor official in a magistrate's court, Daguerre showed an early aptitude for drawing. He was first apprenticed to an architect, but in 1804 he moved to Paris to learn the art of stage design. He was particularly interested in perspective and lighting, and later showed great ingenuity in lighting stage sets. Fascinated by a popular form of entertainment of the period, the panorama, he went on to create a variant of it called the diorama. It is assumed that he used a camera obscura for perspective drawings and, by purchasing it from the optician Chevalier, he made contact with Joseph Nicéphore Niepce. In 1829 Niepce and Daguerre entered into a formal partnership to perfect Niepce's heliographic process, but the partnership was dissolved when Niepce died in 1833, when only limited progress had been made. Daguerre continued experimenting alone, however, using iodine and silver plates; by 1837 he had discovered that images formed in the camera obscura could be developed by mercury vapour and fixed with a hot salt solution. After unsuccessfully attempting to sell his process, Daguerre approached F.J.D. Arago, of the Académie des Sciences, who announced the discovery in 1839. Details of Daguerre's work were not published until August of that year when the process was presented free to the world, except England. With considerable business acumen, Daguerre had quietly patented the process through an agent, Miles Berry, in London a few days earlier. He also granted a monopoly to make and sell his camera to a Monsieur Giroux, a stationer by trade who happened to be a relation of Daguerre's wife. The daguerreotype process caused a sensation when announced. Daguerre was granted a pension by a grateful government and honours were showered upon him all over the world. It was a direct positive process on silvered copper plates and, in fact, proved to be a technological dead end. The future was to lie with negative-positive photography devised by Daguerre's British contemporary, W.H.F. Talbot, although Daguerre's was the first practicable photographic process to be announced. It captured the public's imagination and in an improved form was to dominate professional photographic practice for more than a decade.[br]Principal Honours and DistinctionsOfficier de la Légion d'honneur 1839. Honorary FRS 1839. Honorary Fellow of the National Academy of Design, New York, 1839. Honorary Fellow of the Vienna Academy 1843. Pour le Mérite, bestowed by Frederick William IV of Prussia, 1843.Bibliography14 August 1839, British patent no. 8,194 (daguerrotype photographic process).The announcement and details of Daguerre's invention were published in both serious and popular English journals. See, for example, 1839 publications of Athenaeum, Literary Gazette, Magazine of Science and Mechanics Magazine.Further ReadingH.Gernsheim and A.Gernsheim, 1956, L.J.M. Daguerre (the standard account of Daguerre's work).—1969, The History of Photography, rev. edn, London (a very full account).J.M.Eder, 1945, History of Photography, trans. E. Epstean, New York (a very full account).JWBiographical history of technology > Daguerre, Louis Jacques Mandé
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43 Archer, Frederick Scott
SUBJECT AREA: Photography, film and optics[br]b. 1813 Bishops Stortford, Hertfordshire, Englandd. May 1857 London, England[br]English photographer, inventor of the wet-collodion process, the dominant photographic process between 1851 and c.1880.[br]Apprenticed to a silversmith in London, Archer's interest in coin design and sculpture led to his taking up photography in 1847. Archer began experiments to improve Talbot's calotype process and by 1848 he was investigating the properties of a newly discovered material, collodion, a solution of gun-cotton in ether. In 1851 Archer published details of a process using collodion on glass plates as a carrier for silver salts. The process combined the virtues of both the calotype and the daguerreotype processes, then widely practised, and soon displaced them from favour. Collodion plates were only sensitive when moist and it was therefore essential to use them immediately after they had been prepared. Popularly known as "wet plate" photography, it became the dominant photographic process for thirty years.Archer introduced other minor photographic innovations and in 1855 patented a collodion stripping film. He had not patented the wet-plate process, however, and made no financial gain from his photographic work. He died in poverty in 1857, a matter of some embarrassment to his contemporaries. A subscription fund was raised, to which the Government was subsequently persuaded to add an annual pension.[br]Bibliography1851, Chemist (March) (announced Archer's process).Further ReadingJ.Werge, 1890, The Evolution of Photography.H.Gernsheim and A.Gernsheim, 1969, The History of "Photography", rev. edn, London.JWBiographical history of technology > Archer, Frederick Scott
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44 Talbot, William Henry Fox
SUBJECT AREA: Photography, film and optics[br]b. 11 February 1800 Melbury, Englandd. 17 September 1877 Lacock, Wiltshire, England[br]English scientist, inventor of negative—positive photography and practicable photo engraving.[br]Educated at Harrow, where he first showed an interest in science, and at Cambridge, Talbot was an outstanding scholar and a formidable mathematician. He published over fifty scientific papers and took out twelve English patents. His interests outside the field of science were also wide and included Assyriology, etymology and the classics. He was briefly a Member of Parliament, but did not pursue a parliamentary career.Talbot's invention of photography arose out of his frustrating attempts to produce acceptable pencil sketches using popular artist's aids, the camera discura and camera lucida. From his experiments with the former he conceived the idea of placing on the screen a paper coated with silver salts so that the image would be captured chemically. During the spring of 1834 he made outline images of subjects such as leaves and flowers by placing them on sheets of sensitized paper and exposing them to sunlight. No camera was involved and the first images produced using an optical system were made with a solar microscope. It was only when he had devised a more sensitive paper that Talbot was able to make camera pictures; the earliest surviving camera negative dates from August 1835. From the beginning, Talbot noticed that the lights and shades of his images were reversed. During 1834 or 1835 he discovered that by placing this reversed image on another sheet of sensitized paper and again exposing it to sunlight, a picture was produced with lights and shades in the correct disposition. Talbot had discovered the basis of modern photography, the photographic negative, from which could be produced an unlimited number of positives. He did little further work until the announcement of Daguerre's process in 1839 prompted him to publish an account of his negative-positive process. Aware that his photogenic drawing process had many imperfections, Talbot plunged into further experiments and in September 1840, using a mixture incorporating a solution of gallic acid, discovered an invisible latent image that could be made visible by development. This improved calotype process dramatically shortened exposure times and allowed Talbot to take portraits. In 1841 he patented the process, an exercise that was later to cause controversy, and between 1844 and 1846 produced The Pencil of Nature, the world's first commercial photographically illustrated book.Concerned that some of his photographs were prone to fading, Talbot later began experiments to combine photography with printing and engraving. Using bichromated gelatine, he devised the first practicable method of photo engraving, which was patented as Photoglyphic engraving in October 1852. He later went on to use screens of gauze, muslin and finely powdered gum to break up the image into lines and dots, thus anticipating modern photomechanical processes.Talbot was described by contemporaries as the "Father of Photography" primarily in recognition of his discovery of the negative-positive process, but he also produced the first photomicrographs, took the first high-speed photographs with the aid of a spark from a Leyden jar, and is credited with proposing infra-red photography. He was a shy man and his misguided attempts to enforce his calotype patent made him many enemies. It was perhaps for this reason that he never received the formal recognition from the British nation that his family felt he deserved.[br]Principal Honours and DistinctionsFRS March 1831. Royal Society Rumford Medal 1842. Grand Médaille d'Honneur, L'Exposition Universelle, Paris, 1855. Honorary Doctorate of Laws, Edinburgh University, 1863.Bibliography1839, "Some account of the art of photographic drawing", Royal Society Proceedings 4:120–1; Phil. Mag., XIV, 1839, pp. 19–21.8 February 1841, British patent no. 8842 (calotype process).1844–6, The Pencil of Nature, 6 parts, London (Talbot'a account of his invention can be found in the introduction; there is a facsimile edn, with an intro. by Beamont Newhall, New York, 1968.Further ReadingH.J.P.Arnold, 1977, William Henry Fox Talbot, London.D.B.Thomas, 1964, The First Negatives, London (a lucid concise account of Talbot's photograph work).J.Ward and S.Stevenson, 1986, Printed Light, Edinburgh (an essay on Talbot's invention and its reception).H.Gernsheim and A.Gernsheim, 1977, The History of Photography, London (a wider picture of Talbot, based primarily on secondary sources).JWBiographical history of technology > Talbot, William Henry Fox
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45 Bibliography
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The principles of psychology. New York: Appleton-CenturyCrofts.■ Steiner, G. (1975). After Babel: Aspects of language and translation. New York: Oxford University Press.■ Sternberg, R. J. (1977). Intelligence, information processing, and analogical reasoning. Hillsdale, NJ: Lawrence Erlbaum Associates.■ Sternberg, R. J. (1994). Intelligence. In R. J. Sternberg, Thinking and problem solving. San Diego: Academic Press.■ Sternberg, R. J., & J. E. Davidson (1985). Cognitive development in gifted and talented. In F. D. Horowitz & M. O'Brien (Eds.), The gifted and talented (pp. 103-135). Washington, DC: American Psychological Association.■ Storr, A. (1993). The dynamics of creation. New York: Ballantine Books. (Originally published in 1972.)■ Stumpf, S. E. (1994). Philosophy: History and problems (5th ed.). New York: McGraw-Hill.■ Sulloway, F. J. (1996). Born to rebel: Birth order, family dynamics, and creative lives. New York: Random House/Vintage Books.■ Thorndike, E. L. (1906). Principles of teaching. New York: A. G. Seiler.■ Thorndike, E. L. (1970). Animal intelligence: Experimental studies. Darien, CT: Hafner Publishing Co. (Originally published in 1911.)■ Titchener, E. B. (1910). A textbook of psychology. New York: Macmillan.■ Titchener, E. B. (1914). A primer of psychology. New York: Macmillan.■ Toulmin, S. (1957). The philosophy of science. London: Hutchinson.■ Tulving, E. (1972). Episodic and semantic memory. In E. Tulving & W. Donaldson (Eds.), Organisation of memory. London: Academic Press.■ Turing, A. (1946). In B. E. Carpenter & R. W. Doran (Eds.), ACE reports of 1946 and other papers. Cambridge, MA: MIT Press.■ Turkle, S. (1984). Computers and the second self: Computers and the human spirit. New York: Simon & Schuster.■ Tyler, S. A. (1978). The said and the unsaid: Mind, meaning, and culture. New York: Academic Press.■ van Heijenoort (Ed.) (1967). From Frege to Goedel. Cambridge: Harvard University Press.■ Varela, F. J. (1984). The creative circle: Sketches on the natural history of circularity. In P. Watzlawick (Ed.), The invented reality (pp. 309-324). New York: W. W. Norton.■ Voltaire (1961). On the Penseґs of M. Pascal. In Philosophical letters (pp. 119-146). E. Dilworth (Trans.). Indianapolis: Bobbs-Merrill.■ Wagman, M. (1991a). Artificial intelligence and human cognition: A theoretical inter comparison of two realms of intellect. Westport, CT: Praeger.■ Wagman, M. (1991b). Cognitive science and concepts of mind: Toward a general theory of human and artificial intelligence. Westport, CT: Praeger.■ Wagman, M. (1993). Cognitive psychology and artificial intelligence: Theory and re search in cognitive science. Westport, CT: Praeger.■ Wagman, M. (1995). The sciences of cognition: Theory and research in psychology and artificial intelligence. Westport, CT: Praeger.■ Wagman, M. (1996). Human intellect and cognitive science: Toward a general unified theory of intelligence. Westport, CT: Praeger.■ Wagman, M. (1997a). Cognitive science and the symbolic operations of human and artificial intelligence: Theory and research into the intellective processes. Westport, CT: Praeger.■ Wagman, M. (1997b). The general unified theory of intelligence: Central conceptions and specific application to domains of cognitive science. Westport, CT: Praeger.■ Wagman, M. (1998a). Cognitive science and the mind- body problem: From philosophy to psychology to artificial intelligence to imaging of the brain. Westport, CT: Praeger.■ Wagman, M. (1998b). Language and thought in humans and computers: Theory and research in psychology, artificial intelligence, and neural science. Westport, CT: Praeger.■ Wagman, M. (1998c). The ultimate objectives of artificial intelligence: Theoretical and research foundations, philosophical and psychological implications. Westport, CT: Praeger.■ Wagman, M. (1999). The human mind according to artificial intelligence: Theory, re search, and implications. 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Cambridge: Cambridge University Press.Historical dictionary of quotations in cognitive science > Bibliography
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46 Cort, Henry
SUBJECT AREA: Metallurgy[br]b. 1740 Lancaster, Englandd. 1800 Hampstead, near London, England[br]English ironmaster, inventor of the puddling process and grooved rollers for forming iron into bars.[br]His father was a mason and brickmaker but, anxious to improve himself, Cort set up in London in 1765 as a navy agent, said to have been a profitable business. He recognized that, at that time, the conversion of pig iron to malleable or wrought iron, which was needed in increasing quantities as developments in industry and mechanical engineering gathered pace, presented a bottleneck in the ironmaking process. The finery hearth was still in use, slow and inefficient and requiring the scarce charcoal as fuel. To tackle this problem, Cort gave up his business and acquired a furnace and slitting mill at Fontley, near Fareham in Hampshire. In 1784 he patented his puddling process, by which molten pig iron on the bed of a reverberatory furnace was stirred with an iron bar and, by the action of the flame and the oxygen in the air, the carbon in the pig iron was oxidized, leaving nearly pure iron, which could be forged to remove slag. In this type of furnace, the fuel and the molten iron were separated, so that the cheaper coal could be used as fuel. It was the stirring action with the iron bar that gave the name "puddling" to the process. Others had realized the problem and reached a similar solution, notably the brothers Thomas and George Cranage, but only Cort succeeded in developing a commercially viable process. The laborious hammering of the ball of iron thus produced was much reduced by an invention of the previous year, 1783. This too was patented. The iron was passed between grooved rollers to form it into bars. Cort entered into an agreement with Samuel Jellico to set up an ironworks at Gosport to exploit his inventions. Samuel's father Adam, Deputy Paymaster of the Navy, advanced capital for this venture, Cort having expended much of his own resources in the experimental work that preceded his inventions. However, it transpired that Jellico senior had, unknown to Cort, used public money to advance the capital; the Admiralty acted to recover the money and Cort lost heavily, including the benefits from his patents. Rival ironmasters were quick to pillage the patents. In 1790, and again the following year, Cort offered unsuccessfully to work for the military. Finally, in 1794, at the instigation of the Prime Minister, William Pitt the Younger, Cort was paid a pension of £200 per year in recognition of the value of his improvements in the technology of ironmaking, although this was reduced by deductions to £160. After his death, the pension to his widow was halved, while some of his children received a pittance. Without the advances made by Cort, however, the iron trade could not have met the rapidly increasing demand for iron during the industrial revolution.[br]Bibliography1787, A Brief State of Facts Relative to the New Method of Making Bar Iron with Raw Pit Coal and Grooved Rollers (held in the Science Museum Library archive collection).Further ReadingH.W.Dickinson, 1941, "Henry Cort's bicentary", Transactions of the Newcomen Society 21: 31–47 (there are further references to grooved rollers and the puddling process in Vol. 49 of the same periodical (1978), on pp. 153–8).R.A.Mott, 1983, Henry Con, the Great Finery Creator of Puddled Iron, Sheffield: Historical Metallurgy Society.LRD -
47 Haber, Fritz
SUBJECT AREA: Chemical technology[br]b. 9 December 1868 Breslau, Germany (now Wroclaw, Poland)d. 29 January 1934 Basel, Switzerland[br]German chemist, inventor of the process for the synthesis of ammonia.[br]Haber's father was a manufacturer of dyestuffs, so he studied organic chemistry at Berlin and Heidelberg universities to equip him to enter his father's firm. But his interest turned to physical chemistry and remained there throughout his life. He became Assistant at the Technische Hochschule in Karlsruhe in 1894; his first work there was on pyrolysis and electrochemistry, and he published his Grundrisse der technischen Electrochemie in 1898. Haber became famous for thorough and illuminating theoretical studies in areas of growing practical importance. He rose through the academic ranks and was appointed a full professor in 1906. In 1912 he was also appointed Director of the Institute of Physical Chemistry and Electrochemistry at Dahlem, outside Berlin.Early in the twentieth century Haber invented a process for the synthesis of ammonia. The English chemist and physicist Sir William Crookes (1832–1919) had warned of the danger of mass hunger because the deposits of Chilean nitrate were becoming exhausted and nitrogenous fertilizers would not suffice for the world's growing population. A solution lay in the use of the nitrogen in the air, and the efforts of chemists centred on ways of converting it to usable nitrate. Haber was aware of contemporary work on the fixation of nitrogen by the cyanamide and arc processes, but in 1904 he turned to the study of ammonia formation from its elements, nitrogen and hydrogen. During 1907–9 Haber found that the yield of ammonia reached an industrially viable level if the reaction took place under a pressure of 150–200 atmospheres and a temperature of 600°C (1,112° F) in the presence of a suitable catalyst—first osmium, later uranium. He devised an apparatus in which a mixture of the gases was pumped through a converter, in which the ammonia formed was withdrawn while the unchanged gases were recirculated. By 1913, Haber's collaborator, Carl Bosch had succeeded in raising this laboratory process to the industrial scale. It was the first successful high-pressure industrial chemical process, and solved the nitrogen problem. The outbreak of the First World War directed the work of the institute in Dahlem to military purposes, and Haber was placed in charge of chemical warfare. In this capacity, he developed poisonous gases as well as the means of defence against them, such as gas masks. The synthetic-ammonia process was diverted to produce nitric acid for explosives. The great benefits and achievement of the Haber-Bosch process were recognized by the award in 1919 of the Nobel Prize in Chemistry, but on account of Haber's association with chemical warfare, British, French and American scientists denounced the award; this only added to the sense of bitterness he already felt at his country's defeat in the war. He concentrated on the theoretical studies for which he was renowned, in particular on pyrolysis and autoxidation, and both the Karlsruhe and the Dahlem laboratories became international centres for discussion and research in physical chemistry.With the Nazi takeover in 1933, Haber found that, as a Jew, he was relegated to second-class status. He did not see why he should appoint staff on account of their grandmothers instead of their ability, so he resigned his posts and went into exile. For some months he accepted hospitality in Cambridge, but he was on his way to a new post in what is now Israel when he died suddenly in Basel, Switzerland.[br]Bibliography1898, Grundrisse der technischen Electrochemie.1927, Aus Leben und Beruf.Further ReadingJ.E.Coates, 1939, "The Haber Memorial Lecture", Journal of the Chemical Society: 1,642–72.M.Goran, 1967, The Story of Fritz Haber, Norman, OK: University of Oklahoma Press (includes a complete list of Haber's works).LRD -
48 strong
adjсильный, усиленныйstrong invariance principle сильный принцип инвариантности, принцип m инвариантности почти наверноеstrong solution of a stochastic differential equation сильное решение стохастического дифференциального уравненияАнглийский-русский словарь по теории вероятностей, статистике и комбинаторике > strong
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49 creative
[kriː'eɪtɪv]1) (inventive) [person, solution] creativo, inventivo, fantasioso2) (which creates) [process, imagination] creativo, creatore* * *[-tiv]adjective (having or showing the power and imagination to create: a creative dress-designer.) creativo* * *[kriː'eɪtɪv]1) (inventive) [person, solution] creativo, inventivo, fantasioso2) (which creates) [process, imagination] creativo, creatore -
50 creative
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51 Chlorinated Wool
Wool when treated with hydrochloric acid has a high gloss, a greater affinity for dyes, but is rather harsh in feel. The process is to first clear away all greasy matter very thoroughly, then steep in hydrochloric acid solution (cold) for 20 minutes. It is next worked for 10 minutes in a solution of bleaching powder and again treated in the hydrochloric acid and finally thoroughly washed. This process is used to give a silk-like gloss to the wool. Chlorinated wool does not felt, so if woven with ordinary wool, crimped effects are obtained through one yam felting and the other not. It also takes up more dye than ordinary wool, so that two-colour effects could be obtained by dyeing in the same bath. -
52 Viscose
Viscose was discovered by two English chemists, Charles F. Cross and E. J. Be van, working in collaboration at Kew, near London, who found that when cellulose was treated with disulphide of carbon in the presence of caustic soda, it was converted into a golden yellow plastic compound which dissolved readily in water. A solution of the plastic was of such viscosity that it was named " viscose," a name that was destined to become world famous, seeing that round about 88 per cent of the world production of rayon is now made by the viscose process. In 1892 Cross and Bevan were granted a patent on the viscose process and it was applied to many purposes before the production of a textile thread was successfully accomplished. Fundamentally, the manufacture of viscose rayon is fairly simple. The raw material may be wood pulp, pulp from cotton linters, or a mixture of the two. The greater part of the world's viscose is made from wood pulp. Viscose rayon manufacture comprises seven distinct treatments as follows: - 1. Making and purifying the cotton or wood pulp which forms the cellulose base. 2. Caustic soda treatment of the cellulose base thereby forming alkali cellulose. 3. Treatment of alkali cellulose with carbon disulphide, forming cellulose xanthate. 4. Dissolving the cellulose xanthate in weak caustic soda to form cellulose solution or viscose. 5. Spinning viscose into yarn. 6. Bleaching, purification and finishing of the yarn. 7. Preparing the yarn for weaving and knitting. -
53 Weighting Silk Fabrics
A process of adding adulterous weight to silk fabrics by steeping the material in a fairly concentrated aqueous solution of stannic chloride which the silk absorbs very readily. After a rinsing in water the silk is treated in a dilute solution of disodium phosphate to fix the tin: Finally the silk is treated with sodium silicate which fixes the tin even more securely and also adds a little weight. Tin-weighted silk is not as durable as pure silk as the stannic chloride gradually reduces the strength of the silk it is applied to. By repetition of the process 100 per cent of weighting can easily be obtained.Dictionary of the English textile terms > Weighting Silk Fabrics
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54 Herschel, John Frederick William
SUBJECT AREA: Photography, film and optics[br]b. 7 March 1792 Slough, Englandd. 11 May 1871 Collingwood, England[br]English scientist who introduced "hypo" (thiosulphate) as a photographic fixative and discovered the blueprint process.[br]The only son of Sir William Herschel, the famous astronomer, John graduated from Cambridge in 1813 and went on to become a distinguished astronomer, mathematician and chemist. He left England in November 1833 to set up an observatory near Cape Town, South Africa, where he embarked on a study of the heavens in the southern hemisphere. He returned to England in the spring of 1838, and between 1850 and 1855 Herschel served as Master of the Royal Mint. He made several notable contributions to photography, perhaps the most important being his discovery in 1819 that hyposulphites (thiosulphates) would dissolve silver salts. He brought this property to the attention of W.H.F. Talbot, who in 1839 was using a common salt solution as a fixing agent for his early photographs. After trials, Talbot adopted "hypo", which was a far more effective fixative. It was soon adopted by other photographers and eventually became the standard photographic fixative, as it still is in the 1990s. After hearing of the first photographic process in January 1839, Herschel devised his own process within a week. In September 1839 he made the first photograph on glass. He is credited with introducing the words "positive", "negative" and "snapshot" to photography, and in 1842 he invented the cyanotype or "blueprint" process. This process was later to be widely adopted by engineers and architects for the reproduction of plans and technical drawings, a practice abandoned only in the late twentieth century.[br]Principal Honours and DistinctionsKnight of the Royal Hanoverian Guelphic Order 1831. Baronet 1838. FRS 1813. Copley Medal 1821.Further ReadingDictionary of National Biography, 1968, Vol. IX, pp. 714–19.H.J.P.Arnold, 1977, William Henry Fox Talbot, London; Larry J.Schaaf, 1992, Out of the Shadows: Herschel, Talbot and the Invention of Photography, Newhaven and London (for details of his contributions to photography and his relationship with Talbot).JWBiographical history of technology > Herschel, John Frederick William
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55 Woodbury, Walter Bentley
SUBJECT AREA: Photography, film and optics[br]b. 1834 Manchester, Englandd. 1885 Margate, Kent, England[br]English photographer, inventor of the Woodburytype process.[br]Having been apprenticed to be an engineer, Woodbury left England in 1851 to seek his fortune in the Australian gold-fields. Like many others, he failed, and after a series of transient jobs found a post as Draughtsman at the Melbourne Waterworks. He then went on to Java, where he practised wet-collodion photography before returning to England finally in 1863. Woodbury settled in Birmingham, where like most contemporary photographers he was concerned to find a solution to the troublesome problem of fading prints. He began working the carbon process, and in 1866 and 1867 took out a series of patents which were to lead to the development of the process that took his name. Woodburytypes were continuous-tone prints of high quality that could be mass produced more cheaply than the traditional silver print. This was an important innovation and Woodburytypes were extensively used for quality book illustrations until the introduction of more versatile photomechanical processes in the 1890s. In all, Woodbury took out twenty patents between 1864 and 1884, some relating to a wide range of photographic devices. He was still working to simplify the Woodburytype process when he died from an overdose of laudanum.[br]BibliographyWoodbury took out a series of patents on his process, the most significant being: 23 September 1864, British patent no. 2,338; 12 January 1866, British patent no. 105; 11 February 1866, British patent no. 505; 8 May 1866, British patent no. 1,315; 24 July 1866, British patent no. 1,918.Further ReadingG.Tissandier, 1876, A History and Handbook of Photography, trans. J.Thomson.B.E.Jones (ed.), 1911, Cassell's Cyclopaedia of Photography, London (a brief biography).J.M.Eder, 1945, History of Photography, trans. E. Epstean, New York.JWBiographical history of technology > Woodbury, Walter Bentley
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56 intelligent motor control center
интеллектуальный центр управления электродвигателями
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[Интент]Параллельные тексты EN-RU
iMCC ( Intelligent Motor Control Center) control switchboards are low voltage switchboards dedicated to energy distribution, as well as control and protection of motors. They are used in continuous and semi-continuous processes, in which it is necessary to group the motor starters together in one place for operational and maintenance reasons.
Integration of motor starters in iMCC switchboards
iMCC control switchboards make the work of operation and maintenance teams easier by improving the availability of the process, via:
• Control of motor starters using wire-to-wire cabling or via remote I/O located as close as possible to the starters and connected on the network
• Protection of the motors using an intelligent electronic protection relay. This provides more precise protection of the motors (analysis of operating conditions and alarm thresholds before tripping, etc).
These two functions can be grouped together in a single product, the electronic protection module. In this case, the protection relay module manages and transmits all this control and protection information directly.
Advantages of iMCC switchboards
iMCC control switchboards provide a high level of process availability while ensuring the safety of property and personnel. This solution decreases the number of process stoppages and their duration, reduces maintenance, reduces and repairs costs and optimizes process productivity:
• Reduction of process stoppages as a result of detailed alarms and diagnostics that enable staff to react before the motor starter trips, or react more quickly if it does trip
• Rapid diagnostics due to the availability of more detailed information on the stoppage conditions
• Analysis of stoppage logs using statistics from the electronic protection module.
iMCC control switchboards make installations easier to create, by reducing engineering and debugging time:
• Rapid parameter-setting as a result of local or remote downloading
• Analysis of phenomena via alarms, detailed diagnostics and stoppage logs (statistics embedded in the electronic protection module).
[Schneider Electric]iMCC ( Интеллектуальный центр управления электродвигателями) представляет собой низковольтное комплектное устройство (НКУ) распределения электроэнергии, защиты и управления электродвигателями. Такие НКУ используются для управления непрерывными и полунепрерывными технологическими процессами, в которых для обеспечения эффективной эксплуатации и технического обслуживания необходимо, чтобы пускатели были размещены в одном месте.
Тематики
- НКУ (шкафы, пульты,...)
- управление электродвигателями
EN
Англо-русский словарь нормативно-технической терминологии > intelligent motor control center
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57 Swan, Sir Joseph Wilson
[br]b. 31 October 1828 Sunderland, Englandd. 27 May 1914 Warlingham, Surrey, England[br]English chemist, inventor in Britain of the incandescent electric lamp and of photographic processes.[br]At the age of 14 Swan was apprenticed to a Sunderland firm of druggists, later joining John Mawson who had opened a pharmacy in Newcastle. While in Sunderland Swan attended lectures at the Athenaeum, at one of which W.E. Staite exhibited electric-arc and incandescent lighting. The impression made on Swan prompted him to conduct experiments that led to his demonstration of a practical working lamp in 1879. As early as 1848 he was experimenting with carbon as a lamp filament, and by 1869 he had mounted a strip of carbon in a vessel exhausted of air as completely as was then possible; however, because of residual air, the filament quickly failed.Discouraged by the cost of current from primary batteries and the difficulty of achieving a good vacuum, Swan began to devote much of his attention to photography. With Mawson's support the pharmacy was expanded to include a photographic business. Swan's interest in making permanent photographic records led him to patent the carbon process in 1864 and he discovered how to make a sensitive dry plate in place of the inconvenient wet collodian process hitherto in use. He followed this success with the invention of bromide paper, the subject of a British patent in 1879.Swan resumed his interest in electric lighting. Sprengel's invention of the mercury pump in 1865 provided Swan with the means of obtaining the high vacuum he needed to produce a satisfactory lamp. Swan adopted a technique which was to become an essential feature in vacuum physics: continuing to heat the filament during the exhaustion process allowed the removal of absorbed gases. The inventions of Gramme, Siemens and Brush provided the source of electrical power at reasonable cost needed to make the incandescent lamp of practical service. Swan exhibited his lamp at a meeting in December 1878 of the Newcastle Chemical Society and again the following year before an audience of 700 at the Newcastle Literary and Philosophical Society. Swan's failure to patent his invention immediately was a tactical error as in November 1879 Edison was granted a British patent for his original lamp, which, however, did not go into production. Parchmentized thread was used in Swan's first commercial lamps, a material soon superseded by the regenerated cellulose filament that he developed. The cellulose filament was made by extruding a solution of nitro-cellulose in acetic acid through a die under pressure into a coagulating fluid, and was used until the ultimate obsolescence of the carbon-filament lamp. Regenerated cellulose became the first synthetic fibre, the further development and exploitation of which he left to others, the patent rights for the process being sold to Courtaulds.Swan also devised a modification of Planté's secondary battery in which the active material was compressed into a cellular lead plate. This has remained the central principle of all improvements in secondary cells, greatly increasing the storage capacity for a given weight.[br]Principal Honours and DistinctionsKnighted 1904. FRS 1894. President, Institution of Electrical Engineers 1898. First President, Faraday Society 1904. Royal Society Hughes Medal 1904. Chevalier de la Légion d'Honneur 1881.Bibliography2 January 1880, British patent no. 18 (incandescent electric lamp).24 May 1881, British patent no. 2,272 (improved plates for the Planté cell).1898, "The rise and progress of the electrochemical industries", Journal of the Institution of Electrical Engineers 27:8–33 (Swan's Presidential Address to the Institution of Electrical Engineers).Further ReadingM.E.Swan and K.R.Swan, 1968, Sir Joseph Wilson Swan F.R.S., Newcastle upon Tyne (a detailed account).R.C.Chirnside, 1979, "Sir Joseph Swan and the invention of the electric lamp", IEEElectronics and Power 25:96–100 (a short, authoritative biography).GWBiographical history of technology > Swan, Sir Joseph Wilson
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58 be
'bi: ɡi:( abbreviation) (Bachelor of Engineering; first degree in Engineering.) licenciatura en Ingenieríabe vb1. serwhat time is it? It's 3 o'clock ¿qué hora es? Son las treswho is it? It's me ¿quién es? Soy yo2. estarhow are you? I'm fine ¿cómo estás? estoy bienwhere is Pauline? ¿dónde está Pauline?how far is it? ¿a qué distancia está?what day is it today? ¿qué día es hoy? / ¿a qué día estamos?3. tenerhow old are you? I'm 16 ¿cuántos años tienes? tengo 16 años4. costar / valer / serhow much is it? ¿cuánto cuesta? / ¿cuánto vale? / ¿cuánto es?the tickets are £15 each las entradas valen 15 libras cada una5. hacer6. haberhow many children are there? ¿cuántos niños hay?Se usa también para construir el tiempo verbal llamado present continuous que indica una acción que está pasando en estos momentoswhat are you doing? ¿qué estás haciendo? / ¿qué haces?look, it's snowing mira, está nevando
be sustantivo femenino: name of the letter b, often called be largaor grande to distinguish it from v 'be' also found in these entries: Spanish: A - abasto - abate - abismo - abotargarse - abreviar - abrirse - absoluta - absoluto - abultar - abundar - aburrir - aburrirse - acabose - acariciar - acaso - acertar - achantarse - acometer - acostada - acostado - acostumbrar - acostumbrada - acostumbrado - acreditar - activa - activo - adelantar - adelantarse - adentro - adivinarse - admirarse - adolecer - aferrarse - afianzarse - aficionada - aficionado - afligirse - agonizar - agotarse - agradecer - agua - ahogarse - ahora - aire - ajo - ala - alarmarse - alcanzar - alegrarse English: aback - abate - about - absent - accordance - account for - accountable - accustom - acquaint - action - addicted - address - adequate - adjust - admit - affiliated - afford - afraid - agenda - agree - agreement - ahead - air - airsick - alert - alive - alone - along - aloof - alphabetically - always - am - ambition - amenable - amusing - anathema - annoyance - anomaly - anxious - apologetic - appal - appall - are - arm - around - arrears - as - ashamed - aspire - assertbetr[biː]intransitive verb (pres 1ª pers am, 2ª pers sing y todas del pl are, 3ª pers sing is; pt 1ª y 3ª pers sing was, 2ª pers sing y todas del pl; pp been)2 (essential quality) ser3 (nationality) ser4 (occupation) ser5 (origin) ser6 (ownership) ser7 (authorship) ser8 (composition) ser9 (use) ser10 (location) estar11 (temporary state) estar■ how are you? ¿cómo estás?12 (age) tener13 (price) costar, valer■ a single ticket is £9.50 un billete de ida cuesta £9.5014 tener■ he's hot/cold tiene calor/frío■ we're hungry/thirsty tenemos hambre/sed1 (passive) ser■ she was arrested at the border fue detenida en la frontera, la detuvieron en la frontera■ he's hated by everybody es odiado por todos, todos lo odian■ he was discharged fue dado de alta, lo dieron de alta■ the house has been sold la casa ha sido vendida, la casa se ha vendido, han vendido la casa■ thirty children were injured treinta niños fueron heridos, treinta niños resultaron heridos■ the two areas of the town are divided by a wall las dos zonas de la ciudad están divididas por un muro1 (obligation) deber, tener que1 (future)phrase there is / there are1 hay■ is there much traffic ¿hay mucho tráfico?1 había■ were there many people? ¿había mucha gente?1 habrá1 habría■ if Mike came, there would be ten of us si viniera Mike, seríamos diez\SMALLIDIOMATIC EXPRESSION/SMALLto be about to «+ inf» estar para + inf, estar a punto de + infto be or not to be ser o no serbe ['bi:] v, was ['wəz, 'wɑz] ; were ['wər] ; been ['bɪn] ; being ; am ['æm] ; is ['ɪz] ; are ['ɑr] viJosé is a doctor: José es doctorI'm Ana's sister: soy la hermana de Anathe tree is tall: el árbol es altoyou're silly!: ¡eres tonto!she's from Managua: es de Managuait's mine: es míomy mother is at home: mi madre está en casathe cups are on the table: las tazas están en la mesato be or not to be: ser, o no serI think, therefore I am: pienso, luego existohow are you?: ¿cómo estás?I'm cold: tengo fríoshe's 10 years old: tiene 10 añosthey're both sick: están enfermos los dosbe v impersit's eight o'clock: son las ochoit's Friday: hoy es viernesit's sunny: hace solit's very dark outside: está bien oscuro afuerabe v auxwhat are you doing? -I'm working: ¿qué haces? -estoy trabajandoit was finished yesterday: fue acabado ayer, se acabó ayerit was cooked in the oven: se cocinó en el hornocan she be trusted?: ¿se puede confiar en ella?you are to stay here: debes quedarte aquíhe was to come yesterday: se esperaba que viniese ayerbev.(§ p.,p.p.: was, were, been) = estar v.(§pres: estoy, estás...) pret: estuv-•)• ser v.(§pres: soy, eres, es, somos, sois, son) subj: se-imp: er-fu-•)biːˌ weak form bi
1.
2)a) (followed by an adjective)she's French/intelligent — es francesa/inteligente
he's worried/furious — está preocupado/furioso
he's blind — es or (Esp tb) está ciego
have you never had gazpacho? it's delicious! — ¿nunca has comido gazpacho? es delicioso!
the gazpacho is delicious, did you make it yourself? — el gazpacho está delicioso ¿lo hiciste tú?
she was very rude to me — estuvo or fue muy grosera conmigo
Tony is married/divorced/single — Tony está or (esp AmL) es casado/divorciado/soltero
to be married to somebody — estar* casado con alguien
3)a) (followed by a noun) ser*who was Prime Minister at the time? — ¿quién era Primer Ministro en ese momento?
it's me/Daniel — soy yo/es Daniel
if I were you, I'd stay — yo que tú or yo en tu lugar me quedaría
b) ( play the role of) hacer* de4)how are you? — ¿cómo estás?
I'm much better — estoy or me encuentro mucho mejor
she's pregnant/tired — está embarazada/cansada
I'm cold/hot/hungry/thirsty/sleepy — tengo frío/calor/hambre/sed/sueño
b) ( talking about age) tener*how old are you? — ¿cuántos años tienes?
he's a lot older/younger — es mucho mayor/menor
c) (giving cost, measurement, weight)how much is that? - that'll be $15, please — ¿cuánto es? - (son) 15 dólares, por favor
they are $15 each — cuestan or valen 15 dólares cada una
how tall/heavy is he? — ¿cuánto mide/pesa?
5)a) (exist, live)I think, therefore I am — pienso, luego existo
to let something/somebody be — dejar tranquilo or en paz algo/a alguien
b) ( in expressions of time)don't be too long — no tardes mucho, no (te) demores mucho (esp AmL)
I'm drying my hair, I won't be long — me estoy secando el pelo, enseguida estoy
how long will dinner be? — ¿cuánto falta para la cena?
c) ( take place) ser*6) (be situated, present) estar*where is the library? — ¿dónde está or queda la biblioteca?
where are you? — ¿dónde estás?
what's in that box? — ¿qué hay en esa caja?
who's in the movie? — ¿quién actúa or trabaja en la película?
how long are you in Chicago (for)? — (colloq) ¿cuánto (tiempo) te vas a quedar en Chicago ?
7) (only in perfect tenses) ( visit) estar*have you been to the exhibition yet? — ¿ya has estado en or has ido a la exposición?
2.
v impers1)a) (talking about physical conditions, circumstances)it's sunny/cold/hot — hace sol/frío/calor
it's so noisy/quiet in here! — qué ruido/silencio hay aquí!
I have enough problems as it is, without you... — yo ya tengo suficientes problemas sin que tú encima...
b) ( in expressions of time) ser*hi, Joe, it's been a long time — qué tal, Joe, tanto tiempo (sin verte)
c) ( talking about distance) estar*it's 500 miles from here to Detroit — Detroit queda or está a 500 millas de aquí
2)a) (introducing person, object) ser*it was me who told them — fui yo quien se lo dije or dijo, fui yo el que se lo dije or dijo
b) (in conditional use) ser*if it hadn't been o had it not been for Juan, we would have been killed — si no hubiera sido por Juan or de no ser por Juan, nos habríamos matado
3.
v aux1) to be -inga) ( used to describe action in progress) estar* + gerwhat was I saying? — ¿qué estaba diciendo?
she was leaving when... — se iba cuando...
how long have you been waiting? — ¿cuánto (tiempo) hace que esperas?, ¿cuánto (tiempo) llevas esperando?
b) ( with future reference)he is o will be arriving tomorrow — llega mañana
when are you seeing her? — ¿cuándo la vas a ver or la verás?
2) (in the passive voice) ser* [The passive voice, however, is less common in Spanish than it is in English]it was built in 1903 — fue construido en 1903, se construyó en 1903, lo construyeron en 1903
she was told that... — le dijeron or se le dijo que...
it is known that... — se sabe que...
3) to be to + infa) ( with future reference)if a solution is to be found... — si se quiere encontrar or si se ha de encontrar una solución...
b) ( expressing possibility)what are we to do? — ¿qué podemos hacer?
c) ( expressing obligation) deber* + inf, tener* que + inf, haber* de + inftell her she's to stay here — dile que debe quedarse or tiene que quedarse aquí, dile que se quede aquí
am I to understand that... ? — ¿debo entender que... ?
4) ( in hypotheses)what would happen if she were o was to die? — ¿qué pasaría si ella muriera?
5)she's right, isn't she? — tiene razón, ¿no? or ¿verdad? or ¿no es cierto?
so that's what you think, is it? — de manera que eso es lo que piensas
are you disappointed? - yes, I am/no, I'm not — ¿estás desilusionado? - sí (, lo estoy)/no (, no lo estoy)
she was told the news, and so was he/but I wasn't — a ella le dieron la noticia, y también a él/pero a mí no
[biː] (present am, is or are pt was or were pp been)I'm surprised, are/aren't you? — estoy sorprendido, ¿y tú?/¿tú no?
1. INTRANSITIVE VERB1) (linking nouns, noun phrases, pronouns) serit's me! — ¡soy yo!
who wants to be Hamlet? — ¿quién quiere hacer de or ser Hamlet?
if I were you... — yo en tu lugar..., yo que tú... *
2) (possession) serUse [estar] with past participles used as adjectives describing the results of an action or process:it's round/enormous — es redondo/enorme
4) (changeable or temporary state) estarshe's bored/ill — está aburrida/enferma
how are you? — ¿cómo estás?, ¿qué tal estás?
how are you now? — ¿qué tal te encuentras ahora?
In certain expressions where English uses [be] + adjective to describe feelings ([be cold]/[hot]/[hungry]/[thirsty]), Spanish uses [tener] with a noun:I'm very well, thanks — estoy muy bien, gracias
I'm cold/hot — tengo frío/calor
I'm hungry/thirsty — tengo hambre/sed
afraid, sleepy, rightbe good! — ¡pórtate bien!
5) (age)"how old is she?" - "she's nine" — -¿cuántos años tiene? -tiene nueve años
6) (=take place) ser7) (=be situated) estarit's on the table — está sobre or en la mesa
where is the Town Hall? — ¿dónde está or queda el ayuntamiento?
it's 5 km to the village — el pueblo está or queda a 5 kilómetros
we've been here for ages — hace mucho tiempo que estamos aquí, llevamos aquí mucho tiempo, estamos aquí desde hace mucho tiempo
•
here you are(, take it) — aquí tienes(, tómalo)•
there's the church — ahí está la iglesiaa) (referring to weather) hacerit's hot/cold — hace calor/frío
b) (referring to time, date etc) serwake up, it's morning — despierta, es de día
what's the date (today)? — ¿qué fecha es hoy?
But note the following alternatives with [estar]:it's 3 May or the 3rd of May — es 3 de mayo
it's 3 May or the 3rd of May — estamos a 3 de mayo
c) (asking and giving opinion) seris it certain that...? — ¿es verdad or cierto que...?
is it fair that she should be punished while...? — ¿es justo que se la castigue mientras que...?
it is possible that he'll come — es posible que venga, puede (ser) que venga
it is unbelievable that... — es increíble que...
it's not clear whether... — no está claro si...
d) (emphatic) serwhy is it that she's so successful? — ¿cómo es que tiene tanto éxito?, ¿por qué tiene tanto éxito?
it was then that... — fue entonces cuando...
9) (=exist) haberthere is/are — hay
what is (there) in that room? — ¿qué hay en esa habitación?
is there anyone at home? — ¿hay alguien en casa?
there being no alternative solution... — al no haber or no habiendo otra solución...
let there be light! — ¡hágase la luz!
See:THERE IS, THERE ARE in there10) (=cost)how much was it? — ¿cuánto costó?
the book is £20 — el libro vale or cuesta 20 libras
how much is it? — ¿cuánto es?; (when paying) ¿qué le debo? frm
11) (=visit)has the postman been? — ¿ha venido el cartero?
have you ever been to Glasgow? — ¿has estado en Glasgow alguna vez?
12) (in noun compounds) futuro•
my wife to be — mi futura esposa•
been and * —you've been and done it now! — ¡buena la has hecho! *
that dog of yours has been and dug up my flowers! — ¡tu perro ha ido y me ha destrozado las flores!
•
you're busy enough as it is — estás bastante ocupado ya con lo que tienes, ya tienes suficiente trabajo•
if it hadn't been for..., if it hadn't been for you or frm had it not been for you, we would have lost — si no hubiera sido por ti or de no haber sido por ti, habríamos perdido•
let me be! — ¡déjame en paz!•
if that's what you want to do, then so be it — si eso es lo que quieres hacer, adelante•
what is it to you? * — ¿a ti qué te importa?2. AUXILIARY VERB1) (forming passive) serThe passive is not used as often in Spanish as in English, active and reflexive constructions often being preferred:it is said that... — dicen que..., se dice que...
she was killed in a car crash — murió en un accidente de coche, resultó muerta en un accidente de coche frm
what's to be done? — ¿qué hay que hacer?
•
it's a film not to be missed — es una película que no hay que perderse•
we searched everywhere for him, but he was nowhere to be seen — lo buscamos por todas partes pero no lo encontramos en ningún sitio2) (forming continuous) estarUse the present simple to talk about planned future events and the construction to talk about intention:what are you doing? — ¿qué estás haciendo?, ¿qué haces?
"it's a pity you aren't coming with us" - "but I am coming!" — -¡qué pena que no vengas con nosotros! -¡sí que voy!
will you be seeing her tomorrow? — ¿la verás or la vas a ver mañana?
will you be needing more? — ¿vas a necesitar más?
The imperfect tense can be used for continuous action in the past: for, sinceI'll be seeing you — hasta luego, nos vemos (esp LAm)
a)"he's going to complain about you" - "oh, is he?" — -va a quejarse de ti -¿ah, sí?
"I'm worried" - "so am I" — -estoy preocupado -yo también
"I'm not ready" - "neither am I" — -no estoy listo -yo tampoco
"you're tired" - "no, I'm not" — -estás cansado -no, ¡qué va!
"you're not eating enough" - "yes I am" — -no comes lo suficiente -que sí
"they're getting married" - "oh, are they?" — (showing surprise) -se casan -¿ah, sí? or -¡no me digas!
"he isn't very happy" - "oh, isn't he?" — -no está muy contento -¿ah, no?
"he's always late, isn't he?" - "yes, he is" — -siempre llega tarde, ¿verdad? -(pues) sí
"is it what you expected?" - "no, it isn't" — -¿es esto lo que esperabas? -(pues) no
"she's pretty" - "no, she isn't" — -es guapa -¡qué va!
he's handsome, isn't he? — es guapo, ¿verdad?, es guapo, ¿no?, es guapo, ¿no es cierto?
it was fun, wasn't it? — fue divertido, ¿verdad?, fue divertido, ¿no?
she wasn't happy, was she? — no era feliz, ¿verdad?
so he's back again, is he? — así que ha vuelto, ¿eh?
you're not ill, are you? — ¿no estarás enfermo?
3. MODAL VERB(with infinitive construction)1) (=must, have to)he's not to open it — no debe abrirlo, que no lo abra
I am to do it — he de hacerlo yo, soy yo el que debe hacerlo
I wasn't to tell you his name — no podía or debía decirte su nombre
2) (=should) deberam I to understand that...? — ¿debo entender que...?
she wrote "My Life", not to be confused with Bernstein's book of the same name — escribió "Mi Vida", que no debe confundirse con la obra de Bernstein que lleva el mismo título
he was to have come yesterday — tenía que or debía haber venido ayer
3) (=will)4) (=can)if it was or were to snow... — si nevase or nevara...
BEif I were to leave the job, would you replace me? — si yo dejara el puesto, ¿me sustituirías?
"Ser" or "estar"?
You can use "ser": ► when defining or identifying by linking two nouns or noun phrases:
Paris is the capital of France París es la capital de Francia
He was the most hated man in the village Era el hombre más odiado del pueblo ► to describe essential or inherent characteristics (e.g. colour, material, nationality, race, shape, size {etc}):
His mother is German Su madre es alemana
She was blonde Era rubia ► with most impersonal expressions not involving past participles:
It is important to be on time Es importante llegar a tiempo
Está claro que is an exception:
It is obvious you don't understand Está claro que no lo entiendes ► when telling the time or talking about time or age:
It is ten o'clock Son las diez
It's very late. Let's go home Es muy tarde. Vamos a casa
He lived in the country when he was young Vivió en el campo cuando era joven ► to indicate possession or duty:
It's mine Es mío
This is your responsibility Este asunto es responsabilidad tuya ► with events in the sense of "take place":
The 1992 Olympic Games were in Barcelona Los Juegos Olímpicos de 1992 fueron en Barcelona
"Where is the exam?" - "It's in Room 1" "¿Dónde es el examen?" - "Es en el Aula Número 1" NOTE: Compare this usage with that of estar (see below) to talk about location of places, objects and people.
You can use "estar": ► to talk about location of places, objects and people:
"Where is Zaragoza?" - "It's in Spain" "¿Dónde está Zaragoza?" - "Está en España"
Your glasses are on the bedside table Tus gafas están en la mesilla de noche NOTE: But use ser with events in the sense of "take place" (see above)}. ► to talk about changeable state, condition or mood:
The teacher is ill La profesora está enferma
The coffee's cold El café está frío
How happy I am! ¡Qué contento estoy! NOTE: Feliz, however, which is seen as more permanent than contento, is used mainly with ser. ► to form progressive tenses:
We're having lunch. Is it ok if I call you later? Estamos comiendo. Te llamaré luego, ¿vale?
Both "ser" and "estar" can be used with past participles ► Use ser in {passive} constructions:
This play was written by Lorca Esta obra fue escrita por Lorca
He was shot dead (by a terrorist group) Fue asesinado a tiros (por un grupo terrorista) NOTE: The passive is not used as often in Spanish as it is in English. ► Use estar with past participles to describe the {results} of a previous action or event:
We threw them away because they were broken Los tiramos a la basura porque estaban rotos
He's dead Está muerto ► Compare the use of ser + ((past participle)) which describes {action} and estar + ((past participle)) which describes {result} in the following:
The window was broken by the firemen La ventana fue rota por los bomberos
The window was broken La ventana estaba rota
It was painted around 1925 Fue pintado hacia 1925
The floor is painted a dark colour El suelo está pintado de color oscuro ► Ser and estar are both used in impersonal expressions with past participles. As above, the use of ser implies {action} while the use of estar implies {result}:
It is understood that the work was never finished Es sabido que el trabajo nunca se llegó a terminar
It is a proven fact that vaccinations save many lives Está demostrado que las vacunas salvan muchas vidas
"Ser" and "estar" with adjectives ► Some adjectives can be used with both ser and estar but the meaning changes completely depending on the verb:
He's clever Es listo
Are you ready? ¿Estás listo?
Chemistry is boring La química es aburrida
I'm bored Estoy aburrido ► Other adjectives can also be used with both verbs but the use of ser describes a {characteristic} while the use of estar implies a {change}:
He's very handsome Es muy guapo
You look great in that dress! Estás muy guapa con ese vestido
He's slim Es delgado
You're (looking) very slim ¡Estás muy delgada! For further uses and examples, see main entry* * *[biːˌ] weak form [bi]
1.
2)a) (followed by an adjective)she's French/intelligent — es francesa/inteligente
he's worried/furious — está preocupado/furioso
he's blind — es or (Esp tb) está ciego
have you never had gazpacho? it's delicious! — ¿nunca has comido gazpacho? es delicioso!
the gazpacho is delicious, did you make it yourself? — el gazpacho está delicioso ¿lo hiciste tú?
she was very rude to me — estuvo or fue muy grosera conmigo
Tony is married/divorced/single — Tony está or (esp AmL) es casado/divorciado/soltero
to be married to somebody — estar* casado con alguien
3)a) (followed by a noun) ser*who was Prime Minister at the time? — ¿quién era Primer Ministro en ese momento?
it's me/Daniel — soy yo/es Daniel
if I were you, I'd stay — yo que tú or yo en tu lugar me quedaría
b) ( play the role of) hacer* de4)how are you? — ¿cómo estás?
I'm much better — estoy or me encuentro mucho mejor
she's pregnant/tired — está embarazada/cansada
I'm cold/hot/hungry/thirsty/sleepy — tengo frío/calor/hambre/sed/sueño
b) ( talking about age) tener*how old are you? — ¿cuántos años tienes?
he's a lot older/younger — es mucho mayor/menor
c) (giving cost, measurement, weight)how much is that? - that'll be $15, please — ¿cuánto es? - (son) 15 dólares, por favor
they are $15 each — cuestan or valen 15 dólares cada una
how tall/heavy is he? — ¿cuánto mide/pesa?
5)a) (exist, live)I think, therefore I am — pienso, luego existo
to let something/somebody be — dejar tranquilo or en paz algo/a alguien
b) ( in expressions of time)don't be too long — no tardes mucho, no (te) demores mucho (esp AmL)
I'm drying my hair, I won't be long — me estoy secando el pelo, enseguida estoy
how long will dinner be? — ¿cuánto falta para la cena?
c) ( take place) ser*6) (be situated, present) estar*where is the library? — ¿dónde está or queda la biblioteca?
where are you? — ¿dónde estás?
what's in that box? — ¿qué hay en esa caja?
who's in the movie? — ¿quién actúa or trabaja en la película?
how long are you in Chicago (for)? — (colloq) ¿cuánto (tiempo) te vas a quedar en Chicago ?
7) (only in perfect tenses) ( visit) estar*have you been to the exhibition yet? — ¿ya has estado en or has ido a la exposición?
2.
v impers1)a) (talking about physical conditions, circumstances)it's sunny/cold/hot — hace sol/frío/calor
it's so noisy/quiet in here! — qué ruido/silencio hay aquí!
I have enough problems as it is, without you... — yo ya tengo suficientes problemas sin que tú encima...
b) ( in expressions of time) ser*hi, Joe, it's been a long time — qué tal, Joe, tanto tiempo (sin verte)
c) ( talking about distance) estar*it's 500 miles from here to Detroit — Detroit queda or está a 500 millas de aquí
2)a) (introducing person, object) ser*it was me who told them — fui yo quien se lo dije or dijo, fui yo el que se lo dije or dijo
b) (in conditional use) ser*if it hadn't been o had it not been for Juan, we would have been killed — si no hubiera sido por Juan or de no ser por Juan, nos habríamos matado
3.
v aux1) to be -inga) ( used to describe action in progress) estar* + gerwhat was I saying? — ¿qué estaba diciendo?
she was leaving when... — se iba cuando...
how long have you been waiting? — ¿cuánto (tiempo) hace que esperas?, ¿cuánto (tiempo) llevas esperando?
b) ( with future reference)he is o will be arriving tomorrow — llega mañana
when are you seeing her? — ¿cuándo la vas a ver or la verás?
2) (in the passive voice) ser* [The passive voice, however, is less common in Spanish than it is in English]it was built in 1903 — fue construido en 1903, se construyó en 1903, lo construyeron en 1903
she was told that... — le dijeron or se le dijo que...
it is known that... — se sabe que...
3) to be to + infa) ( with future reference)if a solution is to be found... — si se quiere encontrar or si se ha de encontrar una solución...
b) ( expressing possibility)what are we to do? — ¿qué podemos hacer?
c) ( expressing obligation) deber* + inf, tener* que + inf, haber* de + inftell her she's to stay here — dile que debe quedarse or tiene que quedarse aquí, dile que se quede aquí
am I to understand that... ? — ¿debo entender que... ?
4) ( in hypotheses)what would happen if she were o was to die? — ¿qué pasaría si ella muriera?
5)she's right, isn't she? — tiene razón, ¿no? or ¿verdad? or ¿no es cierto?
so that's what you think, is it? — de manera que eso es lo que piensas
are you disappointed? - yes, I am/no, I'm not — ¿estás desilusionado? - sí (, lo estoy)/no (, no lo estoy)
she was told the news, and so was he/but I wasn't — a ella le dieron la noticia, y también a él/pero a mí no
I'm surprised, are/aren't you? — estoy sorprendido, ¿y tú?/¿tú no?
-
59 step
1) захід, крок2) переступати ( межу тощо); посилювати; прискорювати•- step brother
- step-by-step
- step out of judicial role
- step outside
- step outside the law
- step up
- step up educational work
- step up the solution of a case -
60 Serisizing
A process which is based upon the application of a solution of silk to the surface of a cotton thread, very similar to the application of a sizing mixture, only of a considerably thinner consistency. Silk dissolved in alkalis is readily thrown out of solution by the addition of acid. When such a solution has been applied to a cotton thread, and the thread afterwards passed through a weak acid bath, the sericin of the silk is deposited upon the fibres in an insoluble form which then permits the cotton to be washed and dried.
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process solution — darbinis tirpalas statusas T sritis Standartizacija ir metrologija apibrėžtis Tirpalas kokiai nors operacijai atlikti. atitikmenys: angl. process solution; work solution vok. Behandlungsflüssigkeit, f; gebrauchsfertige Lösung, f; Gebrauchslösung … Penkiakalbis aiškinamasis metrologijos terminų žodynas
process solution — darbinis tirpalas statusas T sritis fizika atitikmenys: angl. process solution; work solution vok. Behandlungsflüssigkeit, f; gebrauchsfertige Lösung, f; Gebrauchslösung, f rus. рабочий раствор, m pranc. solution de travail, f … Fizikos terminų žodynas
process solution — darbinis tirpalas statusas T sritis chemija apibrėžtis Tirpalas kokiai nors operacijai atlikti. atitikmenys: angl. process solution; work solution rus. рабочий раствор … Chemijos terminų aiškinamasis žodynas
solution de travail — darbinis tirpalas statusas T sritis Standartizacija ir metrologija apibrėžtis Tirpalas kokiai nors operacijai atlikti. atitikmenys: angl. process solution; work solution vok. Behandlungsflüssigkeit, f; gebrauchsfertige Lösung, f; Gebrauchslösung … Penkiakalbis aiškinamasis metrologijos terminų žodynas
solution de travail — darbinis tirpalas statusas T sritis fizika atitikmenys: angl. process solution; work solution vok. Behandlungsflüssigkeit, f; gebrauchsfertige Lösung, f; Gebrauchslösung, f rus. рабочий раствор, m pranc. solution de travail, f … Fizikos terminų žodynas
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