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1 phase of the subject
Общая лексика: сторона вопроса -
2 phase
phase [feɪz]1. n1) пери́од, ста́дия2) фа́за3) аспе́кт, сторона́;a phase of the subject сторона́ вопро́са
4) геол. фа́ция; разнови́дность2. v фази́роватьphase in постепе́нно вводи́ть;phase out постепе́нно сокраща́ть -
3 phase
feɪz
1. сущ.
1) а) фаза, стадия, период;
этап;
ступень развития, фазис to begin, enter a phase ≈ вступить в фазу closing, final phase ≈ заключительная стадия critical, crucial phase ≈ решающая стадия initial, new, opening phase ≈ начальная стадия The war was entering its final phase. ≈ Война вступила в заключительную стадию./Начался заключительный период войны. б) спец. переходный возраст (психологически сложный этап в развитии подростков) to go through a phase ≈ переживать переходный возраст, находиться в переходном возрасте to pass through a phase ≈ миновать переходный возраст
2) аспект, сторона Syn: aspect, perspective
3) геол. фация;
разновидность
4) а) физ. хим. фаза б) зоол. стадия, фаза (в развитии живого организма)
2. гл.
1) фазировать
2) поэтапно осуществлять( что-л.) ∙ phase down phase out фаза, стадия, период;
этап;
ступень развития, фазис - full * полная фаза (Луны) - *s of an illness стадия болезни - to enter upon a new * вступить в новую стадию, открыть новую страницу - the youthful * период молодости - a * of history исторический период - * of the attack( военное) этап наступления - boost * (авиация) участок полета с ускорителем - launching * (реактивно-техническое) стартовый период;
участок разгона аспект;
сторона - the most attractive * of her character самая привлекательная сторона ее характера - the moral * of the problem моральный аспект этой проблемы (геология) фация, разновидность (минерала) (физическое) (химическое) фаза > to be in * with smth. совпадать с чем-л. > to be in * with smb. жить с кем-л. душа в душу > to be out of * with smb. не сходиться с кем-л. (специальное) фазировать осуществлять постепенный переход - to * new methods постепенно вводить новые методы acceptance ~ этап приемки analysis ~ фаза исследований bus ~ вчт. фаза шины compile ~ вчт. фаза компиляции compile ~ вчт. этап компиляции consultation ~ этап консультаций implementation ~ вчт. этап реализации introductory ~ вступительная фаза phase аспект, сторона;
a phase of the subject сторона вопроса ~ аспект ~ осуществлять постепенный переход ~ период, стадия ~ период ~ стадия ~ сторона ~ ступень развития ~ фаза ~ фазировать ~ геол. фация;
разновидность ~ этап ~ down закрывать ~ down прекращать деятельность ~ of production стадия производства phase аспект, сторона;
a phase of the subject сторона вопроса ~ out выключать ~ out поэтапно ликвидировать ~ out прекращать ~ out снимать с производства projecting ~ стадия проектирования requirements ~ вчт. этап реализации technical shakedown ~ фаза освоения технических средств -
4 phase
[feɪz]acceptance phase этап приемки analysis phase фаза исследований bus phase вчт. фаза шины compile phase вчт. фаза компиляции compile phase вчт. этап компиляции consultation phase этап консультаций implementation phase вчт. этап реализации introductory phase вступительная фаза phase аспект, сторона; a phase of the subject сторона вопроса phase аспект phase осуществлять постепенный переход phase период, стадия phase период phase стадия phase сторона phase ступень развития phase фаза phase фазировать phase геол. фация; разновидность phase этап phase down закрывать phase down прекращать деятельность phase of production стадия производства phase аспект, сторона; a phase of the subject сторона вопроса phase out выключать phase out поэтапно ликвидировать phase out прекращать phase out снимать с производства projecting phase стадия проектирования requirements phase вчт. этап реализации technical shakedown phase фаза освоения технических средств -
5 phase
1. noun1) фаза2) период, стадия3) аспект, сторона; a phase of the subject сторона вопроса4) geol. фация; разновидность2. verbфазировать* * *1 (a) фазовый2 (n) фаза* * *фаза, стадия, период; этап; ступень развития* * *[ feɪz] n. фаза, стадия, период, этап; аспект, сторона; фация [геол.]; разновидность v. фазировать* * ** * *1. сущ. 1) а) фаза, стадия, период; этап; ступень развития б) спец. переходный возраст 2) аспект 2. гл. 1) фазировать 2) поэтапно осуществлять (что-л.) -
6 effects of the electric arc inside switchgear and controlgear assemblу
- действие электрической дуги, возникающей внутри НКУ распределения и управления
действие электрической дуги, возникающей внутри НКУ распределения и управления
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[Интент]Параллельные тексты EN-RU
Effects of the electric arc inside switchgear and controlgear assemblies
In the proximity of the main boards, i.e. in the proximity of big electrical machines, such as transformers or generators, the short-circuit power is high and consequently also the energy associated with the electrical arc due to a fault is high.
Without going into complex mathematical descriptions of this phenomenon, the first instants of arc formation inside a cubicle can be schematized in 4 phases:
1. compression phase: in this phase the volume of the air where the arc develops is overheated owing to the continuous release of energy; due to convection and radiation the remaining volume of air inside the cubicle warms up; initially there are temperature and pressure values different from one zone to another;
2. expansion phase: from the first instants of internal pressure increase a hole is formed through which the overheated air begins to go out. In this phase the pressure reaches its maximum value and starts to decrease owing to the release of hot air;
3. emission phase: in this phase, due to the continuous contribution of energy by the arc, nearly all the air is forced out under a soft and almost constant overpressure;
4. thermal phase: after the expulsion of the air, the temperature inside the switchgear reaches almost that of the electrical arc, thus beginning this final phase which lasts till the arc is quenched, when all the metals and the insulating materials coming into contact undergo erosion with production of gases, fumes and molten material particles.
Should the electrical arc occur in open configurations, some of the described phases could not be present or could have less effect; however, there shall be a pressure wave and a rise in the temperature of the zones surrounding the arc.
Being in the proximity of an electrical arc is quite dangerous; here are some data to understand how dangerous it is:
• pressure: at a distance of 60 cm from an electrical arc associated with a 20 kA arcing fault a person can be subject to a force of 225 kg; moreover, the sudden pressure wave may cause permanent injuries to the eardrum;
• arc temperatures: about 7000-8000 °C;
• sound: electrical arc sound levels can reach 160 db, a shotgun blast only 130 db.
[ABB]Действие электрической дуги, возникающей внутри НКУ распределения и управления
Короткое замыкание вблизи больших силовых устройств, таких как трансформаторы или генераторы имеет очень большую мощность. Поэтому энергия электрической дуги, возникшей в результате короткого замыкания, очень большая.
Не вдаваясь в сложное математическое описание данного явления, можно сказать, что первые мгновения формирования дуги внутри шкафа можно упрощенно разделить на четыре этапа:
1. Этап сжатия: на этом этапе объем воздуха, в котором происходит зарождение дуги перегревается вследствие непрерывного высвобождения энергии. За счет конвекции и излучения оставшийся объем воздуха внутри шкафа нагревается. На этом начальном этапе значения температуры и давления воздуха в разных зонах НКУ разные.
2. Этап расширения: с первых мгновений внутреннее давление создает канал, через который начинается движение перегретого воздуха. На этом этапе давление достигает своего максимального значения, после чего начинает уменьшаться вследствие выхода горячего воздуха.
3. Этап эмиссии: на этом этапе вследствие непрерывного пополнения энергией дуги почти весь воздух выталкивается под действием мягкого и почти постоянного избыточного давления.
4. Термический этап: после выхлопа воздуха температура внутри НКУ почти достигает температуры электрической дуги. Так начинается заключительный этап, который длится до тех пор, пока дуга не погаснет. При этом все металлические и изоляционные материалы, вступившие в контакт с дугой, оказываются подвергнутыми эрозии с выделением газов, дыма и частиц расплавленного материала.
Если электрическая дуга возникнет в открытом НКУ, то некоторые из описанных этапов могут не присутствовать или могут иметь меньшее воздействие. Тем не менее будет иметь место воздушная волна и подъем температуры вблизи дуги.
Находиться вблизи электрической дуги довольно опасно. Ниже приведены некоторые сведения, помогающие осознать эту опасность:
• давление: На расстоянии 60 см от электрической дуги, вызванной током короткого замыкания 20 кА, человек может подвергнуться воздействию силы 225 кг. Более того, резкая волна давления может нанести тяжелую травму барабанным перепонкам;
• температура дуги: около 7000-8000 °C;
• шумовое воздействие: Уровень шумового воздействия электрической дуги может достигнуть 160 дБ (выстрел из дробовика – 130 дБ).
[Перевод Интент]Тематики
- НКУ (шкафы, пульты,...)
EN
Англо-русский словарь нормативно-технической терминологии > effects of the electric arc inside switchgear and controlgear assemblу
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7 Pliny the Elder (Gaius Plinius Secundus)
SUBJECT AREA: Metallurgy[br]b. c. 23 AD Como, Italyd. 25 August 79 AD near Pompeii, Italy[br]Roman encyclopedic writer on the natural world.[br]Pliny was well educated in Rome, and for ten years or so followed a military career with which he was able to combine literary work, writing especially on historical subjects. He completed his duties c. 57 AD and concentrated on writing until he resumed his official career in 69 AD with administrative duties. During this last phase he began work on his only extant work, the thirty-seven "books" of his Historia Naturalis (Natural History), each dealing with a broad subject such as astronomy, geography, mineralogy, etc. His last post was the command of the fleet based at Misenum, which came to an end when he sailed too near Vesuvius during the eruption that engulfed Pompeii and he was overcome by the fumes.Pliny developed an insatiable curiosity about the natural world. Unlike the Greeks, the Romans made few original contributions to scientific thought and observation, but some made careful compilations of the learning and observations of Greek scholars. The most notable and influential of these was the Historia Naturalis. To the ideas about the natural world gleaned from earlier Greek authors, he added information about natural history, mineral resources, crafts and some technological processes, such as the extraction of metals from their ores, reported to him from the corners of the Empire. He added a few observations of his own, noted during travels on his official duties. Not all the reports were reliable, and the work often presents a tangled web of fact and fable. Gibbon described it as an immense register in which the author has "deposited the discoveries, the arts, and the errors of mankind". Pliny was indefatigable in his relentless note-taking, even dictating to his secretary while dining.During the Dark Ages and early Middle Ages in Western Europe, Pliny's Historia Naturalis was the largest known collection of facts about the natural world and was drawn upon freely by a succession of later writers. Its influence survived the influx into Western Europe, from the twelfth century, of translations of the works of Greek and Arab scholars. After the invention of printing in the middle of the fifteenth century, Pliny was the first work on a scientific subject to be printed, in 1469. Many editions followed and it may still be consulted with profit for its insights into technical knowledge and practice in the ancient world.[br]BibliographyThe standard Latin text with English translation is that edited by H.Rackham et al.(1942– 63, Loeb Classical Library, London: Heinemann, 10 vols). The French version is by A.Further ReadingThe editions mentioned above include useful biographical and other details. For special aspects of Pliny, see K.C.Bailey, 1929–32, The Elder Pliny's Chapters on Chemical Subjects, London, 2 vols.LRDBiographical history of technology > Pliny the Elder (Gaius Plinius Secundus)
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8 US
The exclusive pronoun (us = “I and some others, not you”) is me (suffixed to ála “do not” in álamë tulya, "do not lead us”, VT43:12, 22). This pronoun evidently connects with the ending -lmë, see WE. Inclusive "us" (i.e. "you and me") should apparently be *ve (for older we), connecting with the subject ending -lvë (older -lwë). If the pronouns me, *ve are stressed, the vowel may be lengthened (mé, vé, VT49:51). In another conceptual phase, Tolkien’s word for inclusive "we, us" may have been *ngwë (Third Age Quenya *nwë), VT48:11. The dual forms receive the ending -t, hence met, wet > *vet as the words for “us” referring to only two persons (exclusive met = “me and one other [not you]”; inclusive wet/*vet = “thee and me”). – Evidently me, *ve would be the same as subject and object, so that these forms could also be translated "we" as a short independent pronoun, and they can also receive case endings, e.g. attested forms like locative messë "on us", allative mello "from us", dative men "for us", allative véna “to us”. The forms atarmë, metermë "for us" also seem to include me, but these forms were evidently ephemeral ("for us", exclusive, is better rendered as men, itself an attested form). –Nam/RGEO:67, VT43:15, 19, VT44:18, VT49:14 -
9 Empire, Portuguese overseas
(1415-1975)Portugal was the first Western European state to establish an early modern overseas empire beyond the Mediterranean and perhaps the last colonial power to decolonize. A vast subject of complexity that is full of myth as well as debatable theories, the history of the Portuguese overseas empire involves the story of more than one empire, the question of imperial motives, the nature of Portuguese rule, and the results and consequences of empire, including the impact on subject peoples as well as on the mother country and its society, Here, only the briefest account of a few such issues can be attempted.There were various empires or phases of empire after the capture of the Moroccan city of Ceuta in 1415. There were at least three Portuguese empires in history: the First empire (1415-1580), the Second empire (1580-1640 and 1640-1822), and the Third empire (1822-1975).With regard to the second empire, the so-called Phillipine period (1580-1640), when Portugal's empire was under Spanish domination, could almost be counted as a separate era. During that period, Portugal lost important parts of its Asian holdings to England and also sections of its colonies of Brazil, Angola, and West Africa to Holland's conquests. These various empires could be characterized by the geography of where Lisbon invested its greatest efforts and resources to develop territories and ward off enemies.The first empire (1415-1580) had two phases. First came the African coastal phase (1415-97), when the Portuguese sought a foothold in various Moroccan cities but then explored the African coast from Morocco to past the Cape of Good Hope in South Africa. While colonization and sugar farming were pursued in the Atlantic islands, as well as in the islands in the Gulf of Guinea like São Tomé and Príncipe, for the most part the Portuguese strategy was to avoid commitments to defending or peopling lands on the African continent. Rather, Lisbon sought a seaborne trade empire, in which the Portuguese could profit from exploiting trade and resources (such as gold) along the coasts and continue exploring southward to seek a sea route to Portuguese India. The second phase of the first empire (1498-1580) began with the discovery of the sea route to Asia, thanks to Vasco da Gama's first voyage in 1497-99, and the capture of strong points, ports, and trading posts in order to enforce a trade monopoly between Asia and Europe. This Asian phase produced the greatest revenues of empire Portugal had garnered, yet ended when Spain conquered Portugal and commanded her empire as of 1580.Portugal's second overseas empire began with Spanish domination and ran to 1822, when Brazil won her independence from Portugal. This phase was characterized largely by Brazilian dominance of imperial commitment, wealth in minerals and other raw materials from Brazil, and the loss of a significant portion of her African and Asian coastal empire to Holland and Great Britain. A sketch of Portugal's imperial losses either to native rebellions or to imperial rivals like Britain and Holland follows:• Morocco (North Africa) (sample only)Arzila—Taken in 1471; evacuated in 1550s; lost to Spain in 1580, which returned city to a sultan.Ceuta—Taken in 1415; lost to Spain in 1640 (loss confirmed in 1668 treaty with Spain).• Tangiers—Taken in 15th century; handed over to England in 1661 as part of Catherine of Braganza's dowry to King Charles II.• West Africa• Fort/Castle of São Jorge da Mina, Gold Coast (in what is now Ghana)—Taken in 1480s; lost to Holland in 1630s.• Middle EastSocotra-isle—Conquered in 1507; fort abandoned in 1511; used as water resupply stop for India fleet.Muscat—Conquered in 1501; lost to Persians in 1650.Ormuz—Taken, 1505-15 under Albuquerque; lost to England, which gave it to Persia in the 17th century.Aden (entry to Red Sea) — Unsuccessfully attacked by Portugal (1513-30); taken by Turks in 1538.• India• Ceylon (Sri Lanka)—Taken by 1516; lost to Dutch after 1600.• Bombay—Taken in 16th century; given to England in 1661 treaty as part of Catherine of Braganza's dowry for Charles II.• East Indies• Moluccas—Taken by 1520; possession confirmed in 1529 Saragossa treaty with Spain; lost to Dutch after 1600; only East Timor remaining.After the restoration of Portuguese independence from Spain in 1640, Portugal proceeded to revive and strengthen the Anglo- Portuguese Alliance, with international aid to fight off further Spanish threats to Portugal and drive the Dutch invaders out of Brazil and Angola. While Portugal lost its foothold in West Africa at Mina to the Dutch, dominion in Angola was consolidated. The most vital part of the imperial economy was a triangular trade: slaves from West Africa and from the coasts of Congo and Angola were shipped to plantations in Brazil; raw materials (sugar, tobacco, gold, diamonds, dyes) were sent to Lisbon; Lisbon shipped Brazil colonists and hardware. Part of Portugal's War of Restoration against Spain (1640-68) and its reclaiming of Brazil and Angola from Dutch intrusions was financed by the New Christians (Jews converted to Christianity after the 1496 Manueline order of expulsion of Jews) who lived in Portugal, Holland and other low countries, France, and Brazil. If the first empire was mainly an African coastal and Asian empire, the second empire was primarily a Brazilian empire.Portugal's third overseas empire began upon the traumatic independence of Brazil, the keystone of the Lusitanian enterprise, in 1822. The loss of Brazil greatly weakened Portugal both as a European power and as an imperial state, for the scattered remainder of largely coastal, poor, and uncolonized territories that stretched from the bulge of West Africa to East Timor in the East Indies and Macau in south China were more of a financial liability than an asset. Only two small territories balanced their budgets occasionally or made profits: the cocoa islands of São Tomé and Príncipe in the Gulf of Guinea and tiny Macau, which lost much of its advantage as an entrepot between the West and the East when the British annexed neighboring Hong Kong in 1842. The others were largely burdens on the treasury. The African colonies were strapped by a chronic economic problem: at a time when the slave trade and then slavery were being abolished under pressures from Britain and other Western powers, the economies of Guinea- Bissau, São Tomé/Príncipe, Angola, and Mozambique were totally dependent on revenues from the slave trade and slavery. During the course of the 19th century, Lisbon began a program to reform colonial administration in a newly rejuvenated African empire, where most of the imperial efforts were expended, by means of replacing the slave trade and slavery, with legitimate economic activities.Portugal participated in its own early version of the "Scramble" for Africa's interior during 1850-69, but discovered that the costs of imperial expansion were too high to allow effective occupation of the hinterlands. After 1875, Portugal participated in the international "Scramble for Africa" and consolidated its holdings in west and southern Africa, despite the failure of the contra-costa (to the opposite coast) plan, which sought to link up the interiors of Angola and Mozambique with a corridor in central Africa. Portugal's expansion into what is now Malawi, Zambia, and Zimbabwe (eastern section) in 1885-90 was thwarted by its oldest ally, Britain, under pressure from interest groups in South Africa, Scotland, and England. All things considered, Portugal's colonizing resources and energies were overwhelmed by the African empire it possessed after the frontier-marking treaties of 1891-1906. Lisbon could barely administer the massive area of five African colonies, whose total area comprised about 8 percent of the area of the colossal continent. The African territories alone were many times the size of tiny Portugal and, as of 1914, Portugal was the third colonial power in terms of size of area possessed in the world.The politics of Portugal's empire were deceptive. Lisbon remained obsessed with the fear that rival colonial powers, especially Germany and Britain, would undermine and then dismantle her African empire. This fear endured well into World War II. In developing and keeping her potentially rich African territories (especially mineral-rich Angola and strategically located Mozambique), however, the race against time was with herself and her subject peoples. Two major problems, both chronic, prevented Portugal from effective colonization (i.e., settling) and development of her African empire: the economic weakness and underdevelopment of the mother country and the fact that the bulk of Portuguese emigration after 1822 went to Brazil, Venezuela, the United States, and France, not to the colonies. These factors made it difficult to consolidate imperial control until it was too late; that is, until local African nationalist movements had organized and taken the field in insurgency wars that began in three of the colonies during the years 1961-64.Portugal's belated effort to revitalize control and to develop, in the truest sense of the word, Angola and Mozambique after 1961 had to be set against contemporary events in Europe, Africa, and Asia. While Portugal held on to a backward empire, other European countries like Britain, France, and Belgium were rapidly decolonizing their empires. Portugal's failure or unwillingness to divert the large streams of emigrants to her empire after 1850 remained a constant factor in this question. Prophetic were the words of the 19th-century economist Joaquim Oliveira Martins, who wrote in 1880 that Brazil was a better colony for Portugal than Africa and that the best colony of all would have been Portugal itself. As of the day of the Revolution of 25 April 1974, which sparked the final process of decolonization of the remainder of Portugal's third overseas empire, the results of the colonization program could be seen to be modest compared to the numbers of Portuguese emigrants outside the empire. Moreover, within a year, of some 600,000 Portuguese residing permanently in Angola and Mozambique, all but a few thousand had fled to South Africa or returned to Portugal.In 1974 and 1975, most of the Portuguese empire was decolonized or, in the case of East Timor, invaded and annexed by a foreign power before it could consolidate its independence. Only historic Macau, scheduled for transfer to the People's Republic of China in 1999, remained nominally under Portuguese control as a kind of footnote to imperial history. If Portugal now lacked a conventional overseas empire and was occupied with the challenges of integration in the European Union (EU), Lisbon retained another sort of informal dependency that was a new kind of empire: the empire of her scattered overseas Portuguese communities from North America to South America. Their numbers were at least six times greater than that of the last settlers of the third empire.Historical dictionary of Portugal > Empire, Portuguese overseas
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10 penalty
1. n наказание, взысканиеcriminal penalty — уголовная санкция, наказание
2. n штрафmoney penalty — денежная санкция, штраф
3. n спорт. штрафное очко, штрафной удар4. n отрицательная сторонаСинонимический ряд:1. punishment (noun) amercement; chastening; damage; damages; disadvantage; discipline; fine; forfeit; forfeiture; handicap; impediment; loss; mulct; penalization; punishment; sentence2. sanction (noun) sanctionАнтонимический ряд: -
11 change
change [tʃeɪndʒ]changement ⇒ 1 (a), 1 (c) correspondance ⇒ 1 (c) monnaie ⇒ 1 (d) changer ⇒ 2, 3 (a), 3 (d) se changer ⇒ 3 (b), 3 (c)1 noun(a) (alteration) changement m;∎ we expect a change in the weather nous nous attendons à un changement de temps;∎ there's been a change in the law la loi a été modifiée;∎ there has been a change in thinking regarding nuclear power il y a eu un changement d'opinion ou une évolution de l'opinion concernant l'énergie nucléaire;∎ a survey showed a radical change in public opinion un sondage a montré un revirement de l'opinion publique;∎ the party needs a change of direction le parti a besoin d'un changement de direction ou d'orientation;∎ a change for the better/worse un changement en mieux/pire, une amélioration/dégradation;∎ walking to work makes a pleasant change from driving c'est agréable d'aller travailler à pied plutôt qu'en voiture;∎ it'll be or make a nice change for them not to have the children in the house cela les changera agréablement de ne pas avoir les enfants à la maison;∎ that makes a change! ça change un peu!;∎ yes, it makes a nice change, doesn't it? oui, ça change un peu de l'ordinaire, n'est-ce pas?;∎ living in the country will be a big change for us cela nous changera beaucoup de vivre à la campagne;∎ there's been little change in his condition son état n'a guère évolué;∎ she dislikes change of any kind tout changement lui déplaît;∎ there are going to be some changes in this office! il va y avoir du nouveau ou du changement dans ce bureau!;∎ to have a change of heart changer d'avis;∎ figurative I need a change of scene or scenery j'ai besoin de changer de décor ou d'air;∎ a change is as good as a rest changer de décor fait autant de bien que de partir en vacances∎ a change of clothes des vêtements de rechange;∎ he had to spend a week without a change of clothes il a dû passer une semaine sans changer de vêtements(c) (in journey) changement m, correspondance f;∎ if you go by underground you'll have to make two changes si vous y allez en métro vous serez obligé de changer deux fois;∎ you can get there by train with a change at Bristol vous pouvez y aller en train avec un changement ou une correspondance à Bristol∎ small or loose change petite ou menue monnaie f;∎ she gave me two pounds in change elle m'a donné deux livres en monnaie;∎ can you give me change for five pounds? pouvez-vous me faire la monnaie de cinq livres?;∎ the machine doesn't give change la machine ne rend pas la monnaie;∎ the change (menopause) le retour d'âge(a) (substitute, switch) changer, changer de;∎ to change one's name changer de nom;∎ she's going to change her name to Parker elle va prendre le nom de Parker;∎ to change a fuse changer un fusible;∎ to change one's clothes changer de vêtements, se changer;∎ to change trains changer de train;∎ they're going to change the guard at 11 o'clock ils vont faire la relève de ou relever la garde à 11 heures;∎ to change sides changer de côté;∎ Sport to change ends changer de camp;∎ this old desk has changed hands many times ce vieux bureau a changé maintes fois de mains;∎ to change one's mind changer d'avis;∎ I've changed my mind about him j'ai changé d'avis ou d'idée à son égard;∎ he's changed his mind about moving to Scotland pour ce qui est de s'installer en Écosse il a changé d'avis;∎ you'd better change your ways tu ferais bien de t'amender;∎ to change the subject changer de sujet;∎ don't change the subject! ne détourne pas la conversation!;∎ to change one's tune changer de ton(b) (exchange) changer;∎ when are you thinking of changing your car? quand pensez-vous changer de voiture?;∎ if the shoes are too small we'll change them for you si les chaussures sont trop petites nous vous les changerons;∎ to change places with sb changer de place avec qn;∎ figurative I wouldn't want to change places with him! je n'aimerais pas être à sa place!;∎ I'd like to change my pounds into dollars j'aimerais changer mes livres contre des ou en dollars;∎ does this bank change money? est-ce que cette banque fait le change?;∎ can you change a ten-pound note? (into coins) pouvez-vous me donner la monnaie d'un billet de dix livres?(c) (alter, modify) changer;∎ there's no point in trying to change him c'est inutile d'essayer de le changer;∎ she wants to change the world elle veut changer le monde;∎ he won't change anything in the text il ne changera rien au texte;∎ the illness completely changed his personality la maladie a complètement transformé son caractère;∎ she doesn't want to change her routine in any way elle ne veut rien changer à sa routine;∎ figurative to change one's spots changer ou modifier totalement son caractère(d) (transform) changer, transformer;∎ to change sb/sth into sth changer qn/qch en qch;∎ the prince was changed into a frog le prince fut changé en grenouille;∎ Bible to change water into wine changer l'eau en vin;∎ the liquid/her hair has changed colour le liquide a/ses cheveux ont changé de couleur(e) (baby, bed) changer;∎ the baby needs changing le bébé a besoin d'être changé;∎ I've changed the sheets j'ai changé les draps(f) to change gear changer de vitesse∎ to change for the better/worse changer en mieux/pire;∎ nothing will make him change rien ne le changera, il ne changera jamais;∎ wait for the lights to change attendez que le feu passe au vert;∎ winter changed to spring le printemps a succédé à l'hiver;∎ the wind has changed le vent a changé ou tourné(b) (become transformed) se changer, se transformer;∎ to change into sth se transformer en qch;∎ the ogre changed into a mouse l'ogre s'est transformé en souris;∎ the country had changed from dictatorship to democracy overnight en une nuit, le pays était passé de la dictature à la démocratie;∎ the lights changed from green to amber les feux sont passés du vert à l'orange;∎ to change from one system to another passer d'un système à un autre(c) (change clothing) se changer;∎ she's gone upstairs to change elle est montée se changer;∎ they changed out of their uniforms ils ont enlevé leurs uniformes;∎ he changed into a pair of jeans il s'est changé et a mis un jean;∎ I'm going to change into something warmer je vais mettre quelque chose de plus chaud(d) (transportation) changer;∎ is it a direct flight or do I have to change? est-ce que le vol est direct ou faut-il changer?;∎ we had to change twice nous avons eu deux correspondances ou deux changements;∎ all change! (announcement) tout le monde descend!∎ she changed into fourth gear elle a passé la quatrième∎ it's nice to see you smiling for a change c'est bien de te voir sourire pour une fois;∎ he was early for a change pour une fois il était en avance►► the change of life le retour d'âge;change machine distributeur m de monnaie;American change purse porte-monnaie m invCars rétrograder;∎ he changed down into third il est passé en troisième∎ to change off with sb échanger avec qn∎ he changed over from smoking cigarettes to smoking cigars il s'est mis à fumer des cigares à la place de cigarettes;∎ the country has changed over to nuclear power le pays est passé au nucléaire;∎ one day I wash and he dries and the next day we change over un jour je fais la vaisselle et il l'essuie et le jour d'après on change;∎ Television to change over (to another channel) passer sur une autre chaîne;∎ Television why don't you change over to ITV? et si on mettait ITV?Cars passer la vitesse supérieure;∎ he changed up into third il a passé la troisième, il est passé en troisième -
12 go
go ⇒ Usage note: go1 (move, travel) aller (from de ; to à, en) ; to go to London/Paris aller à Londres/Paris ; to go to Wales/to Ireland/to California aller au Pays de Galles/en Irlande/en Californie ; to go to town/to the country aller en ville/à la campagne ; they went home ils sont rentrés chez eux ; she's gone to Paris elle est allée à Paris ; to go up/down/across monter/descendre/traverser ; I went into the room je suis entré dans la pièce ; to go by bus/train/plane voyager en bus/train/avion ; we went there by bus nous y sommes allés en bus ; to go by ou past [person, vehicle] passer ; that car's going very fast! cette voiture roule très vite! ; there he goes again! ( that's him again) le revoilà! ; fig ( he's starting again) le voilà qui recommence!, c'est reparti! ; who goes there? Mil qui va là? ; where do we go from here? fig et maintenant qu'est-ce qu'on fait? ;2 (on specific errand, activity) aller ; to go shopping aller faire des courses ; to go swimming (in sea, river) aller se baigner ; ( in pool) aller à la piscine ; to go for a walk aller se promener ; to go on a journey/on holiday partir en voyage/en vacances ; to go for a drink aller prendre un verre ; he's gone to get some wine il est allé chercher du vin ; go and answer the phone va répondre au téléphone ; go and tell them that… va leur dire que… ; go after him! poursuivez-le! ;3 ( attend) aller ; to go to school/ church aller à l'école/l'église ; to go to work aller or se rendre au travail ; to go to the doctor's/dentist's aller chez le médecin/dentiste ;4 ( used as auxiliary with present participle) she went running up the stairs elle a monté l'escalier en courant ; she went complaining to the principal elle est allée se plaindre au directeur ;5 ( depart) partir ; I must go, I must be going il faut que je parte or que je m'en aille ; the train goes at six o'clock le train part à six heures ; a train goes every hour il y a un train toutes les heures ; to go on holiday partir en vacances ; be gone! va-t'en!, allez-vous en! ;6 euph ( die) mourir, disparaître ; when I am gone quand je ne serai plus là ; the doctors say she could go at any time d'après les médecins elle risque de mourir d'un instant à l'autre ;7 ( disappear) partir ; half the money goes on school fees la moitié de l'argent part en frais de scolarité ; the money/cake has all gone il ne reste plus d'argent/de gâteau ; I left my bike outside and now it's gone j'ai laissé mon vélo dehors et il n'est plus là or il a disparu ; there goes my chance of winning! c'en est fait de mes chances de gagner! ;8 (be sent, transmitted) it can't go by post on ne peut pas l'envoyer par la poste ; these proposals will go before parliament ces propositions seront soumises au parlement ;9 ( become) to go red rougir ; to go white blanchir ; his hair ou he is going grey il commençe à avoir les cheveux blancs ; to go mad devenir fou/folle ; to go bankrupt faire faillite ;10 ( change over to new system) to go Labour/Conservative Pol [country, constituency] voter travailliste/conservateur ; to go metric adopter le système métrique ; ⇒ private, public ;11 (be, remain) the people went hungry les gens n'avaient rien à manger ; we went for two days without food nous avons passé deux jours sans rien manger ; to go unnoticed passer inaperçu ; to go unpunished rester impuni ; the question went unanswered la question est restée sans réponse ; to go naked se promener tout nu ; he was allowed to go free il a été libéré or remis en liberté ;12 (weaken, become impaired) his memory/mind is going il perd la mémoire/l'esprit ; his hearing is going il devient sourd ; my voice is going je n'ai plus de voix ; the battery is going la batterie est presque à plat ; the engine is going le moteur a des ratés ;13 ( of time) ( elapse) s'écouler ; three hours went by before… trois heures se sont écoulées avant que… (+ subj) ; there are only three days to go before Christmas il ne reste plus que trois jours avant Noël ; how's the time going? quelle heure est-il? ; it's just gone seven o'clock il est un peu plus de sept heures ;14 ( be got rid of) he's totally inefficient, he'll have to go! il est complètement incapable, il va falloir qu'on se débarrasse de lui! ; that new lampshade is hideous, it'll have to go! ce nouvel abat-jour est affreux, il va falloir qu'on s'en débarrasse! ; the car will have to go il va falloir vendre la voiture ; either she goes or I do! c'est elle ou moi! ; six down and four to go! six de faits, et encore quatre à faire! ;15 (operate, function) [vehicle, machine, clock] marcher, fonctionner ; to set [sth] going mettre [qch] en marche ; to get going [engine, machine] se mettre en marche ; fig [business] démarrer ; to get the fire going allumer le feu ; to keep going [person, business, machine] tenir le coup ○, se maintenir ; we have several projects going at the moment nous avons plusieurs projets en route en ce moment ; ⇒ keep ;16 ( start) let's get going! allons-y!, allez, on commençe! ; we'll have to get going on that translation il va falloir qu'on se mette à faire cette traduction ; to get things going mettre les choses en train ; ready, steady, go! à vos marques, prêts, partez! ; here goes!, here we go! c'est parti! ; once he gets going, he never stops une fois lancé, il n'arrête pas ;17 ( lead) aller, conduire, mener (to à) ; that corridor goes to the kitchen le couloir va or conduit à la cuisine ; the road goes down to the sea/goes up the mountain la route descend vers la mer/monte au sommet de la montagne ; this road goes past the cemetery ce chemin passe à côté du cimetière ;18 ( extend in depth or scope) the roots of the plant go very deep les racines de la plante s'enfoncent très profondément ; the historical reasons for this conflict go very deep les raisons historiques de ce conflit remontent très loin ; these habits go very deep ces habitudes sont profondément ancrées or enracinées ; as far as that goes pour ce qui est de cela ; it's true as far as it goes c'est vrai dans un sens or dans une certaine mesure ; she'll go far! elle ira loin! ; this time he's gone too far! cette fois il est allé trop loin! ; a hundred pounds doesn't go far these days on ne va pas loin avec cent livres sterling de nos jours ; one leg of lamb doesn't go very far among twelve people un gigot d'agneau n'est pas suffisant pour douze personnes ; this goes a long way towards explaining his attitude ceci explique en grande partie son attitude ; you can make £5 go a long way on peut faire beaucoup de choses avec 5 livres sterling ;19 (belong, be placed) aller ; where do these plates go? où vont ces assiettes? ; that table goes beside the bed cette table va à côté du lit ; the suitcases will have to go in the back il va falloir mettre les valises derrière ;20 ( fit) gen rentrer ; it won't go into the box ça ne rentre pas dans la boîte ; five into four won't go quatre n'est pas divisible par cinq ; three into six goes twice six divisé par trois, ça fait deux ;21 (be expressed, sung etc in particular way) I can't remember how the poem goes je n'arrive pas à me rappeler le poème ; how does the song go? quel est l'air de la chanson? ; the song goes something like this la chanson ressemble à peu près à ça ; as the saying goes comme dit le proverbe ; the story goes that le bruit court que, on dit que ; her theory goes something like this… sa théorie consiste à peu près à dire que… ;22 ( be accepted) what he says goes c'est lui qui fait la loi ; it goes without saying that il va sans dire que ; that goes without saying cela va sans dire ; anything goes tout est permis ;23 ( be about to) to be going to do aller faire ; it's going to snow il va neiger ; I was just going to phone you j'étais justement sur le point de t'appeler, j'allais justement t'appeler ; I'm going to phone him right now je vais l'appeler tout de suite ; I'm not going to be treated like that! je ne vais pas me laisser faire comme ça! ; we were going to go to Italy, but we changed our plans nous devions aller en Italie, mais nous avons changé d'idée ;24 ( happen) the party went very well la soirée s'est très bien passée ; so far the campaign is going well jusqu'à maintenant la campagne a bien marché ; how did the evening go? comment s'est passée la soirée? ; the way things are going, I don't think we'll ever get finished vu la façon dont les choses se passent or si ça continue comme ça, je pense qu'on n'aura jamais fini ; how's it going ○ ?, how are things going? comment ça va ○ ? ; how goes it? hum comment ça va ○ ?, comment va ◑ ? ;25 ( be on average) it's old, as Australian towns go c'est une ville assez vieille pour une ville australienne ; it wasn't a bad party, as parties go c'était une soirée plutôt réussie par rapport à la moyenne ;26 ( be sold) the house went for over £100,000 la maison a été vendue à plus de 100 000 livres ; we won't let the house go for less than £100,000 nous ne voulons pas vendre la maison à moins de 100 000 livres ; those rugs are going cheap ces tapis ne sont pas chers ; the house will go to the highest bidder la maison sera vendue au plus offrant ; ‘going, going, gone!’ ( at auction) ‘une fois, deux fois, trois fois, adjugé!’ ;27 ( be on offer) I'll have some coffee, if there's any going je prendrai bien un café, s'il y en a ; are there any drinks going? est-ce qu'il y a quelque chose à boire? ; I'll have whatever's going je prendrai ce qu'il y a ; it's the best machine going c'est la meilleure machine sur le marché ; there's a job going at their London office il y a un poste libre dans leur bureau de Londres ;28 ( contribute) the money will go towards a new roof l'argent servira à payer un nouveau toit ; the elements that go to make a great film les éléments qui font un bon film ; everything that goes to make a good teacher toutes les qualités d'un bon enseignant ;29 ( be given) [award, prize] aller (to à) ; [estate, inheritance, title] passer (to à) ; the money will go to charity les bénéfices iront aux bonnes œuvres ; most of the credit should go to the author la plus grande partie du mérite revient à l'auteur ; the job went to a local man le poste a été donné à un homme de la région ;30 ( emphatic use) she's gone and told everybody! elle est allée le dire à tout le monde! ; why did he go and spoil it? pourquoi est-il allé tout gâcher ? ; you've gone and ruined everything! tu t'es débrouillé pour tout gâcher! ; he went and won the competition! il s'est débrouillé pour gagner le concours! ; you've really gone and done it now! tu peux être fier de toi! iron ; then he had to go and lose his wallet comme s'il ne manquait plus que ça, il a perdu son portefeuille ;31 ( of money) (be spent, used up) all his money goes on drink tout son argent passe dans l'alcool ; most of his salary goes on rent la plus grande partie de son salaire passe dans le loyer ; I don't know where all my money goes (to)! je ne sais pas ce que je fais de mon argent! ;32 (make sound, perform action or movement) gen faire ; [bell, alarm] sonner ; the cat went ‘miaow’ le chat a fait ‘miaou’ ; wait until the bell goes attends que la cloche sonne ( subj) ; she went like this with her fingers elle a fait comme ça avec ses doigts ; so he goes ‘what about my money ○ ?’ et puis il dit or il fait, ‘et mon argent?’ ;33 (resort to, have recourse to) to go to war [country] entrer en guerre ; [soldier] partir à la guerre ; to go to law GB ou to the law US aller en justice ;34 (break, collapse etc) [roof] s'effondrer ; [cable, rope] se rompre, céder ; ( fuse) [light bulb] griller ;35 (bid, bet) aller ; I'll go as high as £100 j'irai jusqu'à 100 livres sterling ; I went up to £100 je suis allé jusqu'à 100 livres sterling ;36 ( take one's turn) you go next c'est ton tour après, c'est à toi après ; you go first après vous ;37 ( be in harmony) those two colours don't go together ces deux couleurs ne vont pas ensemble ; the curtains don't go with the carpet les rideaux ne vont pas avec le tapis ; white wine goes better with fish than red wine le vin blanc va mieux avec le poisson que le rouge ;38 ○ euph ( relieve oneself) aller aux toilettes ;1 ( travel) we had gone ten miles before we realized that… nous avions déjà fait dix kilomètres quand nous nous sommes rendu compte que… ; are you going my way? tu vas dans la même direction que moi? ; to go one's own way fig suivre son chemin ;2 ○ (bet, bid) I go two diamonds ( in cards) j'annonce deux carreaux ; he went £20 il a mis or parié 20 livres sterling.1 GB ( person's turn) tour m ; ( try) essai m ; it's your go ( in game) c'est ton tour, c'est à toi ; whose go is it? gen à qui le tour? ; ( in game) à qui de jouer? ; you've had two goes ( in game) tu as eu deux tours ; ( two attempts at mending sth) tu as déjà essayé deux fois ; to have a go at sth essayer de faire qch ; have another go! essaie encore une fois or un coup! ; she had several goes at the exam elle a repassé l'examen plusieurs fois ; I had to have several goes before passing j'ai dû m'y reprendre à plusieurs fois avant de réussir ;2 ○ ( energy) dynamisme m ; to be full of go, to be all go être très dynamique, avoir beaucoup d'allant ; he has no go in him il manque de dynamisme ;to have a go at sb s'en prendre à qn ; to make a go of sth réussir qch ; she's always on the go elle n'arrête jamais ; he's all go ○ ! il n'arrête pas! ; it's all the go ○ ! ça fait fureur! ; we have several different projects on the go at the moment nous avons plusieurs projets différents en chantier or en cours en ce moment ; (it's) no go! pas question! ; from the word go dès le départ ; that was a near go ○ ! on l'a échappé belle! ; in one go d'un seul coup ; to go one better than sb renchérir sur qn ; that's how it goes!, that's the way it goes! ainsi va le monde!, c'est la vie! ; there you go ○ ! voilà!■ go about:▶ go about1 = go around ;2 Naut virer de bord ; prepare to go about! parer à virer! ;▶ go about [sth]1 ( undertake) s'attaquer à [task] ; how do you go about writing a novel? comment est-ce que vous vous y prenez pour écrire un roman? ; he knows how to go about it il sait s'y prendre ;2 ( be busy with) to go about one's business vaquer à ses occupations ; she went about her work mechanically elle faisait son travail machinalement.■ go across:▶ go across traverser ; he's gone across to the shop/neighbour's il est allé au magasin en face/chez les voisins en face ;▶ go across [sth] traverser [street, river, bridge etc].■ go after:▶ go after [sth/sb]1 ( chase) poursuivre [person] ;2 fig ( try hard to get) he really went after that job il a fait tout son possible pour avoir ce travail.■ go against:▶ go against [sb/sth]1 ( prove unfavourable to) the vote/verdict/decision went against them le vote/le verdict/la décision leur a été défavorable or n'a pas été en leur faveur ; the war is going against them la guerre tourne à leur désavantage ;2 ( conflict with) être contraire à [rules, principles] ; to go against the trend aller à l'encontre de or être contraire à la tendance ; to go against the party line Pol ne pas être dans la ligne du parti ;3 (resist, oppose) s'opposer à, aller à l'inverse de [person, sb's wishes].■ go ahead1 ( go in front) go ahead, I'll follow you on partez devant, je vous suis ;2 fig ( proceed) go! ( in conversation) continue! ; go ahead and shoot! vas-y, tire! ; they are going ahead with the project ils ont décidé de mettre le projet en route ; we can go ahead without them nous pouvons continuer sans eux ; next week's strike is to go ahead la grève de la semaine prochaine va avoir lieu.■ go along1 ( move along) [person, vehicle] aller, avancer ; to make sth up as one goes along fig inventer qch au fur et à mesure ;2 ( attend) aller ; she went along as a witch elle y est allée déguisée en sorcière ; I went along as a witness j'y suis allé or je me suis présenté comme témoin.▶ go along with [sb/sth] être d'accord avec, accepter [plans, wishes] ; I can't go along with that je ne peux pas accepter ça ; I'll go along with you there je suis d'accord avec vous sur ce point.■ go around:1 (move, travel about) se promener, circuler ; to go around naked/barefoot se promener tout nu/pieds nus ; she goes around on a bicycle elle circule à bicyclette ; they go around everywhere together ils vont partout ensemble ;2 ( circulate) [rumour] courir ; there's a rumour going around that le bruit court que ; there's a virus going around il y a un virus qui traîne ; there isn't enough money to go around il n'y a pas assez d'argent pour tout le monde ;▶ go around [sth] faire le tour de [house, shops, area] ; to go around the world faire le tour du monde ; they went around the country looking for him ils l'ont cherché dans tout le pays.■ go at:▶ go at [sb] ( attack) attaquer, tomber sur ;▶ go at [sth] s'attaquer à, s'atteler à [task, activity].■ go away [person] partir ; to go away on holiday GB ou vacation US partir en vacances ; go away and leave me alone! va-t-en et laisse-moi tranquille! ; go away and think about it réfléchissez-y ; don't go away thinking that ne va pas croire que ; this cold/headache just won't go away! je n'arrive pas à me débarrasser de ce rhume/mal de tête! ; the problems aren't just going to go away! les problèmes ne vont pas disparaître tout seuls!■ go back1 ( return) retourner ; ( turn back) rebrousser chemin, faire demi-tour ; ( resume work) reprendre le travail ; (resume classes, studies) reprendre les cours ; as it was raining, they decided to go back comme il pleuvait, ils ont décidé de faire demi-tour or de rebrousser chemin ; they went back home ils sont rentrés chez eux ; let's go back to France rentrons en France ; to go back to the beginning recommencer ; to go back to sleep se rendormir ; to go back to work/writing se remettre au travail/à écrire ; go back! the path isn't safe reculez! le chemin est dangereux ; once you've committed yourself, there's no going back une fois que vous vous êtes engagé, vous ne pouvez plus reculer ;2 ( in time) remonter ; to go back in time remonter dans le temps ; to understand the problem we need to go back 20 years pour comprendre le problème il faut remonter 20 ans en arrière ; this tradition goes back a century cette tradition est vieille d'un siècle ; we go back a long way ça fait longtemps qu'on se connaît ;3 ( revert) revenir (to à) ; to go back to teaching revenir à l'enseignement ; to go back to being a student reprendre des études ; let's go back to what we were discussing yesterday revenons à ce que dont nous parlions hier.■ go back on:▶ go back on [sth] revenir sur [promise, decision].■ go before:▶ go before ( go in front) aller au devant ; fig ( in time) se passer avant ; all that had gone before tout ce qui s'était passé avant ;▶ go before [sb/sth] [person] comparaître devant [court, judge] ; the bill went before parliament le projet de loi a été soumis au parlement.■ go by:▶ go by [person] passer ; [time] passer, s'écouler ; as time goes by avec le temps ; don't let such opportunities go by il ne faut pas laisser passer de telles occasions ;▶ go by [sth]1 ( judge by) juger d'après ; to go by appearances juger d'après or sur les apparences ; going by her looks, I'd say she was about 30 à la voir, je lui donne 30 ans ; you mustn't go by what you read in the papers il ne faut pas croire tout ce que disent les journaux ; if the trailer is anything to go by, it should be a good film à en juger par la bande-annonce, ça doit être un bon film ; if the father is anything to go by, I wouldn't like to meet the son! quand on voit le père, on n'a pas envie de rencontrer le fils! ;2 ( proceed by) to go by the rules suivre or observer le règlement ; promotion goes by seniority la promotion se fait à l'ancienneté or en fonction de l'ancienneté.■ go down:▶ go down1 ( descend) gen descendre ; [diver] effectuer une plongée ; to go down to the cellar descendre à la cave ; to go down to the beach aller à la plage ; to go down to the pub aller au pub ; they've gone down to Brighton for a few days ils sont allés passer quelques jours à Brighton ; ‘going down!’ ( in elevator) ‘on descend!’ ; to go down on one's knees se mettre à genoux ;2 ( fall) [person, aircraft] tomber ; ( sink) [ship] couler, sombrer ; [person] couler, disparaître sous les flots ; most of the passengers went down with the ship la plupart des passagers ont coulé avec le navire ; the plane went down in flames l'avion s'est écrasé en flammes ; the plane went down over Normandy/the Channel l'avion s'est écrasé en Normandie/est tombé dans la Manche ; to go down for the third time [drowning person] disparaître sous les flots et se noyer ;3 [sun] se coucher ;4 ( be received) to go down well/badly être bien/mal reçu ; this remark didn't go down at all well cette remarque n'a pas été appréciée du tout ; his jokes went down well/didn't go down well with the audience le public a apprécié/n'a pas beaucoup apprécié ses plaisanteries ; another cup of coffee would go down nicely! une autre tasse de café serait la bienvenue! ;5 ( be swallowed) it went down the wrong way c'est passé de travers ;6 ( become lower) [water level, temperature] baisser ; [tide] descendre ; [price, standard] baisser ; ( abate) [storm, wind] se calmer ; [fire] s'éteindre ; the river has/the floods have gone down le niveau de la rivière/des inondations a baissé ; foodstuffs are going down (in price) les produits alimentaires deviennent moins chers ;8 GB Univ ( break up for holiday) terminer les cours ; ( leave university permanently) quitter l'université ; when do you go down? quand est-ce que vous êtes en vacances? ;9 gen, Sport (fail, be defeated) perdre ; ( be downgraded) redescendre ; Corby went down 6-1 to Oxford Corby a perdu 6-1 contre Oxford ; the team has gone down to the second division l'équipe est redescendue en deuxième division ;10 ( be remembered) he will go down as a great statesman on se souviendra de lui comme d'un grand homme d'État ;11 ( be recorded) être noté ; it all goes down in her diary elle note tout dans son journal ;12 ( continue) the book goes down to 1939 le livre va jusqu'en 1939 ; if you go down to the second last line you will see that si vous regardez à l'avant-dernière ligne, vous verrez que ;13 ( be stricken) to go down with flu/malaria attraper la grippe/la malaria ;14 ○ GB ( be sent to prison) être envoyé en prison ;15 Comput [computer, system] tomber en panne ;▶ go down [sth]■ go down on:▶ go down on [sth] ( set) [sun] se coucher sur ; when the sun went down on the Roman Empire fig quand l'empire romain commençait à décliner ;■ go for:▶ go for [sb/sth]1 ○ (favour, have liking for) craquer ○ pour [person, physical type] ; aimer [style of music, literature etc] ; he really goes for blondes il craque ○ pour or il adore les blondes ; I don't go much for modern art je ne suis pas emballé ○ par l'art moderne, je n'aime pas tellement l'art moderne ;2 ( apply to) être valable pour, s'appliquer à ; that goes for all of you! c'est valable pour tout le monde! ; the same goes for him c'est valable pour lui aussi!, ça s'applique à lui aussi! ;▶ go for [sb]1 ( attack) ( physically) attaquer, tomber sur ; ( verbally) attaquer, s'en prendre à [person] ; the two youths went for him les deux jeunes l'ont attaqué or lui ont sauté dessus ; to go for sb's throat [animal] attaquer qn à la gorge ; she really went for him! (in argument, row) elle l'a vraiment incendié!, elle s'en est prise violemment à lui! ;2 he has a lot going for him il a beaucoup de choses pour lui ;▶ go for [sth]1 ( attempt to achieve) essayer d'obtenir [honour, victory] ; she's going for the gold medal/world record elle vise la médaille d'or/le record mondial ; go for it ○ ! vas-y, fonce ○ ! ; the company is going for a new image l'entreprise cherche à se donner une nouvelle image ; the team is going for a win against Italy l'équipe compte bien gagner contre l'Italie ;2 ( choose) choisir, prendre ; I'll go for the blue one je prendrai le bleu.■ go forth sout [person] ( go out) sortir ; ( go forward) aller, avancer ; go forth and multiply allez et multipliez-vous.■ go forward(s) avancer.■ go in1 ( enter) entrer ; ( go back in) rentrer ;3 ( disappear) [sun, moon] se cacher.■ go in for:▶ go in for [sth]1 ( be keen on) aimer [sport, hobby etc] ; I don't go in for sports much je n'aime pas tellement le sport ; he goes in for opera in a big way il adore l'opéra, c'est un fou d'opéra ○ ; we don't go in for that sort of thing nous n'aimons pas ce genre de chose ; they don't go in much for foreign languages at Ben's school ils ne s'intéressent pas beaucoup aux langues étrangères dans l'école de Ben ;2 ( take up) to go in for teaching entrer dans l'enseignement ; to go in for politics se lancer dans la politique ;3 ( take part in) s'inscrire à [exam, competition].■ go into:▶ go into [sth]1 ( enter) entrer dans ; fig ( take up) se lancer dans ; to go into hospital entrer à l'hôpital ; to go into parliament entrer au parlement ; to go into politics/business se lancer dans la politique/les affaires ;2 (examine, investigate) étudier ; we need to go into the question of funding il faut que nous étudiions la question du financement ;3 (explain, describe) I won't go into why I did it je n'expliquerai pas pourquoi je l'ai fait ; let's not go into that now laissons cela de côté pour l'instant ;4 ( launch into) se lancer dans ; she went into a long explanation of what had happened elle s'est lancée dans une longue explication de ce qui s'était passé ;5 ( be expended) a lot of work/money went into this project beaucoup de travail/d'argent a été investi dans ce projet ; a lot of effort went into organizing the party l'organisation de la soirée a demandé beaucoup de travail ;6 ( hit) [car, driver] rentrer dans, heurter ; the car went into a lamp post la voiture est rentrée dans or a heurté un réverbère.■ go in with:▶ go in with [sb] se joindre à [person, ally, organization] ; he went in with us to buy the present il s'est mis avec nous pour acheter le cadeau.■ go off:▶ go off2 [alarm clock] sonner ; [fire alarm] se déclencher ;3 ( depart) partir, s'en aller ; he went off to work il est parti au travail ; she went off to find a spade elle est allée chercher une pelle ; they went off together ils sont partis ensemble ;4 GB ( go bad) [milk, cream] tourner ; [meat] s'avarier ; [butter] rancir ; ( deteriorate) [performer, athlete etc] perdre sa forme ; [work] se dégrader ; ( lose one's attractiveness) [person] être moins beau/belle qu'avant ; he used to be very handsome, but he's gone off a bit il était très beau, mais il est moins bien maintenant ; the first part of the film was good, but after that it went off la première partie du film était bien, mais après ça s'est dégradé ;5 ○ ( fall asleep) s'endormir ;6 ( cease to operate) [lights, heating] s'éteindre ;7 (happen, take place) [evening, organized event] se passer ; the concert went off very well le concert s'est très bien passé ;8 Theat quitter la scène ;▶ go off [sb/sth] GB I used to like him but I've gone off him je l'aimais bien avant, mais je ne l'aime plus tellement ; I've gone off opera/whisky je n'aime plus tellement l'opéra/le whisky ; I think she's gone off the idea je crois qu'elle a renoncé à l'idée.■ go off with:▶ go off with [sb/sth] partir avec [person, money] ; she went off with all his money elle est partie avec tout son argent ; who's gone off with my pen? qui a pris mon stylo?■ go on:▶ go on1 (happen, take place) se passer ; what's going on? qu'est-ce qui se passe? ; there's a party going on upstairs il y a une fête en haut ; how long has this been going on? depuis combien de temps est-ce que ça dure? ; a lot of stealing goes on il y a beaucoup de vols ; a lot of drinking goes on at Christmas time les gens boivent beaucoup à Noël ;2 ( continue on one's way) poursuivre son chemin ;3 ( continue) continuer ; go on with your work continuez votre travail, continuez de travailler ; go on looking continuez à or de chercher ; she went on speaking elle a continué de parler ; go on, we're all listening! continue, nous t'écoutons tous! ; ‘and another thing,’ she went on, ‘you're always late’ ‘et autre chose,’ a-t-elle ajouté, ‘vous êtes toujours en retard’ ; if he goes on like this, he'll get into trouble! s'il continue comme ça, il va s'attirer des ennuis ; we can't go on like this! nous ne pouvons pas continuer comme ça! ; life must go on la vie continue ; the meeting went on into the afternoon la réunion s'est prolongée jusque dans l'après-midi ; you can't go on being a pen pusher all your life! tu ne peux pas rester gratte-papier toute ta vie! ; the list goes on and on la liste est infinie or interminable ; that's enough to be going on with ça suffit pour le moment ; have you got enough work to be going on with? est-ce que tu as assez de travail pour le moment? ; here's £20 to be going on with voici 20 livres pour te dépanner ; go on (with you) ○ ! allons donc! ;4 ( of time) ( elapse) as time went on, they… avec le temps, ils… ; as the evening went on, he became more animated au fur et à mesure que la soirée avançait, il devenait plus animé ;5 ( keep talking) to go on about sth ne pas arrêter de parler de qch, parler de qch à n'en plus finir ; he was going on about the war il parlait de la guerre à n'en plus finir ; don't go on about it! arrête de parler de ça!, change de disque! ; she went on and on about it elle en a fait toute une histoire ; he does tend to go on a bit! il a tendance à radoter ○ ! ; the way she goes on, you'd think she was an expert on the subject! à l'entendre, on croirait qu'elle est experte en la matière! ;6 ( proceed) passer ; let's go on to the next item passons au point suivant ; he went on to say that/describe how puis il a dit que/décrit comment ;7 ( go into operation) [heating, lights] s'allumer ;8 Theat entrer en scène ; what time do you go on? à quelle heure est-ce que vous entrez en scène? ;9 ( approach) it's going on three o'clock il est presque trois heures ; she's four going on five elle va sur ses cinq ans ; he's thirty going on three hum il a trente ans mais il pourrait bien en avoir trois ;10 ( fit) these gloves won't go on ces gants ne m'iront pas ; the lid won't go on properly le couvercle ne ferme pas bien ;▶ go on [sth] se fonder sur [piece of evidence, information] ; that's all we've got to go on tout ce que nous savons avec certitude ; we've got nothing else to go on nous n'avons pas d'autre point de départ ; the police haven't got much evidence to go on la police n'a pas beaucoup de preuves à l'appui.■ go on at:▶ go on at [sb] s'en prendre à [person] ; he's always going on at me for writing badly il s'en prend toujours à moi à cause de ma mauvaise écriture ; they're always going on at us about deadlines ils sont toujours sur notre dos pour des histoires de délais.■ go out1 (leave, depart) sortir ; she went out of the room elle a quitté la pièce, elle est sortie de la pièce ; to go out walking aller se promener ; to go out for a drink aller prendre un verre ; they go out a lot ils sortent beaucoup ; she likes going out elle aime sortir ; she had to go out to work at 14 il a fallu qu'elle aille travailler à 14 ans ;2 ( travel long distance) partir (to à, pour) ; she's gone out to Australia/Africa elle est partie pour l'Australie/l'Afrique ;3 ( have relationship) to go out with sb sortir avec qn ; they've been going out together for six weeks ils sortent ensemble depuis six semaines ;4 [tide] descendre ; the tide is going out la marée descend, la mer se retire ;5 Ind ( go on strike) se mettre en grève ;6 ( become unfashionable) passer de mode ; ( no longer be used) ne plus être utilisé ; mini-skirts went out in the 1970s les mini-jupes ont passé de mode dans les années 70 ; gas went out and electricity came in l'électricité a remplacé le gaz ;7 ( be extinguished) [fire, light] s'éteindre ;8 ( be sent) [invitation, summons] être envoyé ; ( be published) [journal, magazine] être publié ; Radio, TV ( be broadcast) être diffusé ;9 ( be announced) word went out that he was coming back le bruit a couru qu'il revenait ; the news went out from Washington that Washington a annoncé que ;10 ( be eliminated) gen, Sport être éliminé ; she went out in the early stages of the competition elle a été éliminée au début de la compétition ;11 (expressing compassion, sympathy) my heart goes out to them je les plains de tout mon cœur, je suis de tout cœur avec eux ; our thoughts go out to absent friends nos pensées vont vers nos amis absents ;12 ( disappear) all the spirit seemed to have gone out of her elle semblait avoir perdu tout son entrain ; the romance seemed to have gone out of their relationship leur relation semblait avoir perdu tout son charme ;13 ( end) [year, month] se terminer ;14 ( in cards) terminer.■ go over:▶ go over1 ( cross over) aller ; she went over to him/to the window elle est allée vers lui/vers la fenêtre, elle s'est approchée de lui/de la fenêtre ; to go over to Ireland/to America aller en Irlande/aux États-Unis ; we are now going over to Washington for more news Radio, TV nous passons maintenant l'antenne à Washington pour plus d'informations ;2 ( be received) how did his speech go over? comment est-ce que son discours a été reçu? ; his speech went over well son discours a été bien reçu ; to go over big ○ avoir un grand succès ;3 ( switch over) he went over to Labour from the Conservatives il est passé du parti des conservateurs au parti des travaillistes ; to go over to the other side fig passer dans l'autre camp ; we've gone over to gas (central heating) nous sommes passés au chauffage central au gaz ; to go over to Islam se convertir à l'Islam ;▶ go over [sth]1 ( review) passer [qch] en revue [details] ; she went over the events of the day in her mind elle a passé en revue les événements de la journée ; we've gone over the details again and again nous avons déjà passé les détails en revue mille fois ; to go over one's lines ( actor) répéter son texte ; there's no point in going over old ground il n'y a aucune raison de revenir là-dessus ;2 (check, inspect) vérifier [accounts, figures] ; revoir [facts, piece of work] ; I want to go over this article once more before I hand it in je veux relire cet article une dernière fois avant de le remettre ; to go over a house faire le tour d'une maison ;3 ( clean) he went over the room with a duster il a donné un coup de chiffon dans la pièce ; after cleaning, go over the surface with a dry cloth après l'avoir nettoyée, essuyez la surface avec un chiffon sec or passez un chiffon sec sur la surface ;4 to go over a sketch in ink repasser un dessin à l'encre ;5 ( exceed) dépasser ; don't go over £100 ne dépassez pas 100 livres sterling.■ go round GB:▶ go round1 ( turn) [wheel, propeller etc] tourner ; the wheels went round and round les roues n'ont pas arrêté de tourner ; my head's going round j'ai la tête qui tourne ;2 ( call round) to go round to see sb aller voir qn ; he's gone round to Anna's il est allé chez Anna ;3 ( suffice) there isn't enough food/money to go round il n'y a pas assez de nourriture/d'argent pour tout le monde ; there was barely enough to go round il y en avait à peine assez pour tout le monde ;4 ( circulate) there's a rumour going round that le bruit court que ;5 ( make detour) faire un détour ; we had to go round the long way ou the long way round il a fallu qu'on prenne un chemin plus long ; I had to go round by the bridge il a fallu que je passe par or que je fasse un détour par le pont ;■ go through:1 ( come in) entrer ; if you'll just go (on) through, I'll tell them you're here si vous voulez bien entrer, je vais leur dire que vous êtes arrivé ;2 ( be approved) [law, agreement] passer ; the law failed to go through la loi n'est pas passée ; the divorce hasn't gone through yet le divorce n'a pas encore été prononcé ;3 ( be successfully completed) [business deal] être conclu ;▶ go through [sth]1 ( undergo) endurer, subir [experience, ordeal] ; ( pass through) passer par [stage, phase] ; in spite of all he's gone through malgré tout ce qu'il a enduré ; we've all gone through it nous sommes tous passés par là ; she's gone through a lot elle a beaucoup souffert ; he went through the day in a kind of daze toute la journée il a été dans un état second ; the country has gone through two civil wars le pays a connu deux guerres civiles ; to go through a crisis traverser une crise ; as you go through life au fur et à mesure que tu vieillis, en vieillissant ; you have to go through the switchboard/right authorities il faut passer par le standard/les autorités compétentes ; it went through my mind that l'idée m'a traversé l'esprit que ;2 (check, inspect) examiner, étudier ; ( rapidly) parcourir [documents, files, list] ; to go through one's mail parcourir son courrier ; let's go through the points one by one étudions or examinons les problèmes un par un ;3 ( search) fouiller [person's belongings, baggage] ; to go through sb's pockets/drawers fouiller dans les poches/tiroirs de qn ; at customs they went through all my things à la douane ils ont fouillé toutes mes affaires ;4 (perform, rehearse) répéter [scene] ; expliquer [procedure] ; let's go through the whole scene once more répétons or reprenons toute la scène une dernière fois ; there are still a certain number of formalities to be gone through il y a encore un certain nombre de formalités à remplir ; I went through the whole procedure with him je lui ai expliqué comment il fallait procéder en détail ;5 (consume, use up) dépenser [money] ; we went through three bottles of wine nous avons bu or descendu ○ trois bouteilles de vin ; I've gone through the elbows of my jacket j'ai usé ma veste aux coudes.▶ go through with [sth] réaliser, mettre [qch] à exécution [plan] ; in the end they decided to go through with the wedding finalement ils ont décidé de se marier ; I can't go through with it je ne peux pas le faire ; you'll have to go through with it now il va falloir que tu le fasses maintenant.1 ( harmonize) [colours, pieces of furniture etc] aller ensemble ; these colours don't go together ces couleurs ne vont pas ensemble ;2 ( entail each other) aller de pair ; poverty and crime often go together la pauvreté et le crime vont souvent de pair ;3 ○ †( have relationship) [couple] sortir ensemble.■ go under1 [boat, ship] couler, sombrer ; [drowning person] couler, disparaître sous les flots ;■ go up:▶ go up1 ( ascend) monter ; to go up to bed monter se coucher ; they've gone up to London ils sont allés or montés à Londres ; they've gone up to Scotland ils sont allés en Écosse ; ‘going up!’ ( in elevator) ‘on monte!’ ;2 ( rise) [price, temperature] monter ; Theat [curtain] se lever (on sur) ; petrol has gone up (in price) (le prix de) l'essence a augmenté ; unemployment is going up le chômage augmente or est en hausse ; our membership has gone up le nombre de nos adhérents a augmenté ; a cry went up from the crowd un cri est monté or s'est élevé de la foule ;3 ( be erected) [building] être construit ; [poster] être affiché ; new office blocks are going up all over the place on construit de nouveaux immeubles un peu partout ;4 (be destroyed, blown up) [building] sauter, exploser ;6 ( be upgraded) the team has gone up to the first division l'équipe est passée en première division ;7 ( continue) the book/series goes up to 1990 le livre/la série va jusqu'en 1990 ;▶ go up [sth]1 ( mount) monter, gravir [hill, mountain] ;2 to go up a class Sch passer dans une classe supérieure.■ go with:▶ go with [sth]1 (match, suit) aller avec ; your shirt goes with your blue eyes ta chemise va bien avec tes yeux bleus ; white wine goes better with fish than red wine le vin blanc va mieux avec le poisson que le rouge ;2 ( accompany) aller de pair avec ; the car goes with the job la voiture va de pair avec la situation ; the responsibilities that go with parenthood les responsabilités qui vont de pair avec le fait d'être parent ;■ go without:▶ go without s'en passer ; you'll just have to go without! il va falloir que tu t'en passes!, il va falloir que tu fasses sans! ;▶ go without [sth] se passer de [food, luxuries]. -
13 OUR
As described in the entry WE, the 3rd person pl. pronouns distinguish plural forms from dual (depending on whether two or more persons are involved) and exclusive forms from inclusive (depending on whether the party addressed is included in “we/our”). Tolkien revised the relevant endings repeatedly. According to one late resolution described in VT49:16, the endings for exclusive “our” are –lma in the plural and –mma as a dual form, hence *aldalma “our tree” (with an “our” of at least three persons, not including the party addressed), but *aldamma “our tree = my and one other person’s tree”. The corresponding inclusive forms are –lwa (plural) and –ngwa (dual). Since the subject ending corresponding to the former is attested as “-lwe, –lve” (VT49:51), –lwa can surely also appear as *-lva, as in *omentielva “our meeting” (attested in the genitive case: omentielvo “of our meeting”, WJ:367). Hence *aldalwa/aldalva “our tree” (an “our” of at least three persons, including the party addressed), dual *aldangwa “our tree = thy and my tree”. – An independent word for plural exclusive "our" appears in VT43:19, 35: menya (also menyë modifying a plural noun). The corresponding plural inclusive form should apparently be *venya (pl. *venyë) for archaic *wenya (pl. wenyai > wenyë). The dual forms would most likely be *mentya (excl.) and *ventya (incl.); compare me, we/ve as the independent pronouns for “we” (with dual forms met, wet/*vet and dative forms *ment, * went/vent, from which the independent possessive pronouns are apparently derived by adding the adjectival ending -ya). – Notice that in an earlier conceptual phase, the forms in –mm- were plural (not as later dual) inclusive, and the forms in –lm- were plural inclusive rather than exclusive. This is why the word translated “of our meeting” appeared as omentielmo in the first edition of LotR, but was changed to omentielvo in the Second Edition. Cf. also Átaremma “our Father” as the first word of Tolkien’s translation of the Lord’s Prayer (VT43:12); this “our” is obviously meant to be plural exclusive rather than dual as it later became (according to Tolkien’s later conventions, “our Father” would be *Átarelma when a group of three or more persons addresses a party not included in “our”, in this case the Father himself). -
14 Brown, Charles Eugene Lancelot
[br]b. 17 June 1863 Winterthur, Switzerlandd. 2 May 1924 Montagnola, Italy[br]English engineer who developed polyphase electrical generation and transmission plant.[br]After attending the Technical College in Winterthur, Brown served with Emile Burgin in Basle before entering the Oerlikon engineering works near Zurich. Two years later he became Director of the electrical department of Oerlikon and from that time was involved in the development of electrical equipment for the generation and distribution of power. The Lauffen-Frankfurt 110-mile (177 km) transmission line of 1891 demonstrated the commercial feasibility of transmitting electrical power over great distances with three-phase alternating current. For this he designed a generator and early examples of oil-cooled transformers, and the scheme gave an impetus to the development of electric-power transmission throughout Europe. In 1891, in association with Walter Boveri, Brown founded the works of Brown Boveri \& Co. at Baden, Switzerland, and until his retirement in 1911 he devoted his energies to the design of polyphase alternating-current machinery. Important installations included the Frankfurt electricity works (1894), the Paderno-Milan transmission line, and the Lugano tramway of 1894, the first system in Europe to use three-phase traction motors. This tramway was followed by many other polyphase and mountain railways. The acquisition by Brown Boveri \& Co. in 1900 of the manufacturing rights of the Parsons steam turbine directed Brown's attention to problems associated with high-speed machines. Recognizing the high centrifugal stress involved, he began to employ solid cylindrical generator rotors with slots for the excitation winding, a method that has come to be universally adopted in large alternators.[br]Bibliography3 December 1901, British patent no. 24,632 (slotted rotor for alternators).Further ReadingObituary, 1924, The Engineer 137:543.Ake T.Vrenthem, 1980, Jonas Wenstrom and the Three Phase System, Stockholm, pp. 26–8 (obituary).75 Years of Brown Boveri, 1966, Baden, Switzerland (for a company history).GWBiographical history of technology > Brown, Charles Eugene Lancelot
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15 Tesla, Nikola
SUBJECT AREA: Electricity[br]b. 9 July 1856 Smiljan, Croatiad. 7 January 1943 New York, USA[br]Serbian (naturalized American) engineer and inventor of polyphase electrical power systems.[br]While at the technical institute in Graz, Austria, Tesla's attention was drawn to the desirability of constructing a motor without a commutator. He considered the sparking between the commutator and brushes of the Gramme machine when run as a motor a serious defect. In 1881 he went to Budapest to work on the telegraph system and while there conceived the principle of the rotating magnetic field, upon which all polyphase induction motors are based. In 1882 Tesla moved to Paris and joined the Continental Edison Company. After building a prototype of his motor he emigrated to the United States in 1884, becoming an American citizen in 1889. He left Edison and founded an independent concern, the Tesla Electric Company, to develop his inventions.The importance of Tesla's first patents, granted in 1888 for alternating-current machines, cannot be over-emphasized. They covered a complete polyphase system including an alternator and induction motor. Other patents included the polyphase transformer, synchronous motor and the star connection of three-phase machines. These were to become the basis of the whole of the modern electric power industry. The Westinghouse company purchased the patents and marketed Tesla motors, obtaining in 1893 the contract for the Niagara Falls two-phase alternators driven by 5,000 hp (3,700 kW) water turbines.After a short period with Westinghouse, Tesla resigned to continue his research into high-frequency and high-voltage phenomena using the Tesla coil, an air-cored transformer. He lectured in America and Europe on his high-frequency devices, enjoying a considerable international reputation. The name "tesla" has been given to the SI unit of magnetic-flux density. The induction motor became one of the greatest advances in the industrial application of electricity. A claim for priority of invention of the induction motor was made by protagonists of Galileo Ferraris (1847–1897), whose discovery of rotating magnetic fields produced by alternating currents was made independently of Tesla's. Ferraris demonstrated the phenomenon but neglected its exploitation to produce a practical motor. Tesla himself failed to reap more than a small return on his work and later became more interested in scientific achievement than commercial success, with his patents being infringed on a wide scale.[br]Principal Honours and DistinctionsAmerican Institute of Electrical Engineers Edison Medal 1917. Tesla received doctorates from fourteen universities.Bibliography1 May 1888, American patent no. 381,968 (initial patent for the three-phase induction motor).1956, Nikola Tesla, 1856–1943, Lectures, Patents, Articles, ed. L.I.Anderson, Belgrade (selected works, in English).1977, My Inventions, repub. Zagreb (autobiography).Further ReadingM.Cheney, 1981, Tesla: Man Out of Time, New Jersey (a full biography). C.Mackechnie Jarvis, 1969, in IEE Electronics and Power 15:436–40 (a brief treatment).T.C.Martin, 1894, The Inventions, Researches and Writings of Nikola Tesla, New York (covers his early work on polyphase systems).GW -
16 Bacon, Francis Thomas
SUBJECT AREA: Aerospace[br]b. 21 December 1904 Billericay, Englandd. 24 May 1992 Little Shelford, Cambridge, England[br]English mechanical engineer, a pioneer in the modern phase of fuel-cell development.[br]After receiving his education at Eton and Trinity College, Cambridge, Bacon served with C.A. Parsons at Newcastle upon Tyne from 1925 to 1940. From 1946 to 1956 he carried out research on Hydrox fuel cells at Cambridge University and was a consultant on fuel-cell design to a number of organizations throughout the rest of his life.Sir William Grove was the first to observe that when oxygen and hydrogen were supplied to platinum electrodes immersed in sulphuric acid a current was produced in an external circuit, but he did not envisage this as a practical source of electrical energy. In the 1930s Bacon started work to develop a hydrogen-oxygen fuel cell that operated at moderate temperatures and pressures using an alkaline electrolyte. In 1940 he was appointed to a post at King's College, London, and there, with the support of the Admiralty, he started full-time experimental work on fuel cells. His brief was to produce a power source for the propulsion of submarines. The following year he was posted as a temporary experimental officer to the Anti-Submarine Experimental Establishment at Fairlie, Ayrshire, and he remained there until the end of the Second World War.In 1946 he joined the Department of Chemical Engineering at Cambridge, receiving a small amount of money from the Electrical Research Association. Backing came six years later from the National Research and Development Corporation (NRDC), the development of the fuel cell being transferred to Marshalls of Cambridge, where Bacon was appointed Consultant.By 1959, after almost twenty years of individual effort, he was able to demonstrate a 6 kW (8 hp) power unit capable of driving a small truck. Bacon appreciated that when substantial power was required over long periods the hydrogen-oxygen fuel cell associated with high-pressure gas storage would be more compact than conventional secondary batteries.The development of the fuel-cell system pioneered by Bacon was stimulated by a particular need for a compact, lightweight source of power in the United States space programme. Electro-chemical generators using hydrogen-oxygen cells were chosen to provide the main supplies on the Apollo spacecraft for landing on the surface of the moon in 1969. An added advantage of the cells was that they simultaneously provided water. NRDC was largely responsible for the forma-tion of Energy Conversion Ltd, a company that was set up to exploit Bacon's patents and to manufacture fuel cells, and which was supported by British Ropes Ltd, British Petroleum and Guest, Keen \& Nettlefold Ltd at Basingstoke. Bacon was their full-time consultant. In 1971 Energy Conversion's operation was moved to the UK Atomic Energy Research Establishment at Harwell, as Fuel Cells Ltd. Bacon remained with them until he retired in 1973.[br]Principal Honours and DistinctionsOBE 1967. FRS 1972. Royal Society S.G. Brown Medal 1965. Royal Aeronautical Society British Silver Medal 1969.Bibliography27 February 1952, British patent no. 667,298 (hydrogen-oxygen fuel cell). 1963, contribution in W.Mitchell (ed.), Fuel Cells, New York, pp. 130–92.1965, contribution in B.S.Baker (ed.), Hydrocarbon Fuel Cell Technology, New York, pp. 1–7.Further ReadingObituary, 1992, Daily Telegraph (8 June).A.McDougal, 1976, Fuel Cells, London (makes an acknowledgement of Bacon's contribution to the design and application of fuel cells).D.P.Gregory, 1972, Fuel Cells, London (a concise introduction to fuel-cell technology).GW -
17 Black, Harold Stephen
[br]b. 14 April 1898 Leominster, Massachusetts, USAd. 11 December 1983 Summitt, New Jersey, USA[br]American electrical engineer who discovered that the application of negative feedback to amplifiers improved their stability and reduced distortion.[br]Black graduated from Worcester Polytechnic Institute, Massachusetts, in 1921 and joined the Western Electric Company laboratories (later the Bell Telephone Laboratories) in New York City. There he worked on a variety of electronic-communication problems. His major contribution was the discovery in 1927 that the application of negative feedback to an amplifier, whereby a fraction of the output signal is fed back to the input in the opposite phase, not only increases the stability of the amplifier but also has the effect of reducing the magnitude of any distortion introduced by it. This discovery has found wide application in the design of audio hi-fi amplifiers and various control systems, and has also given valuable insight into the way in which many animal control functions operate.During the Second World War he developed a form of pulse code modulation (PCM) to provide a practicable, secure telephony system for the US Army Signal Corps. From 1963–6, after his retirement from the Bell Labs, he was Principal Research Scientist with General Precision Inc., Little Falls, New Jersey, following which he became an independent consultant in communications. At the time of his death he held over 300 patents.[br]Principal Honours and DistinctionsInstitute of Electronic and Radio Engineers Lamme Medal 1957.Bibliography1934, "Stabilised feedback amplifiers", Electrical Engineering 53:114 (describes the principles of negative feedback).21 December 1937, US patent no. 2,106,671 (for his negative feedback discovery.1947, with J.O.Edson, "Pulse code modulation", Transactions of the American Institute of Electrical Engineers 66:895.1946, "A multichannel microwave radio relay system", Transactions of the American Institute of Electrical Engineers 65:798.1953, Modulation Theory, New York: D.van Nostrand.1988, Laboratory Management: Principles \& Practice, New York: Van Nostrand Rheinhold.Further ReadingFor early biographical details see "Harold S. Black, 1957 Lamme Medalist", Electrical Engineering (1958) 77:720; "H.S.Black", Institute of Electrical and Electronics Engineers Spectrum (1977) 54.KF -
18 Héroult, Paul Louis Toussaint
SUBJECT AREA: Metallurgy[br]b. 1863 Thury-Harcourt, Caen, Franced. 9 May 1914 Antibes, France[br]French metallurigst, inventor of the process of aluminium reduction by electrolysis.[br]Paul Héroult, the son of a tanner, at the age of 16, while still at school in Caen, read Deville's book on aluminium and became obsessed with the idea of developing a cheap way of producing this metal. After his family moved to Gentillysur-Bièvre he studied at the Ecole Sainte-Barbe in Paris and then returned to Caen to work in the laboratory of his father's tannery. His first patent, filed in February and granted on 23 April 1886, described an invention almost identical to that of C.M. Hall: "the electrolysis of alumina dissolved in molten cryolite into which the current is introduced through suitable electrodes. The cryolite is not consumed." Early in 1887 Héroult attempted to obtain the support of Alfred Rangod Pechiney, the proprietor of the works at Salindres where Deville's process for making sodium-reduced aluminium was still being operated. Pechiney persuaded Héroult to modify his electrolytic process by using a cathode of molten copper, thus making it possible produce aluminium bronze rather than pure aluminium. Héroult then approached the Swiss firm J.G.Nehe Söhne, ironmasters, whose works at the Falls of Schaffhausen obtained power from the Rhine. They were looking for a new metallurgical process requiring large quantities of cheap hydroelectric power and Héroult's process seemed suitable. In 1887 they established the Société Metallurgique Suisse to test Héroult's process. Héroult became Technical Director and went to the USA to defend his patents against those of Hall. During his absence the Schaffhausen trials were successfully completed, and on 18 November 1888 the Société Metallurgique combined with the German AEG group, Oerlikon and Escher Wyss, to establish the Aluminium Industrie Aktiengesellschaft Neuhausen. In the early electrolytic baths it was occasionally found that arcs between the bath surface and electrode could develop if the electrodes were inadvertently raised. From this observation, Héroult and M.Killiani developed the electric arc furnace. In this, arcs were intentionally formed between the surface of the charge and several electrodes, each connected to a different pole of the AC supply. This furnace, the prototype of the modern electric steel furnace, was first used for the direct reduction of iron ore at La Praz in 1903. This work was undertaken for the Canadian Government, for whom Héroult subsequently designed a 5,000-amp single-phase furnace which was installed and tested at Sault-Sainte-Marie in Ontario and successfully used for smelting magnetite ore.[br]Further ReadingAluminium Industrie Aktiengesellschaft Neuhausen, 1938, The History of the Aluminium-Industrie-Aktien-Gesellschaft Neuhausen 1888–1938, 2 vols, Neuhausen.C.J.Gignoux, Histoire d'une entreprise française. "The Hall-Héroult affair", 1961, Metal Bulletin (14 April):1–4.ASDBiographical history of technology > Héroult, Paul Louis Toussaint
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19 Reynolds, Edwin
[br]b. 1831 Mansfield, Connecticut, USAd. 1909 Milwaukee, Wisconsin, USA[br]American contributor to the development of the Corliss valve steam engine, including the "Manhattan" layout.[br]Edwin Reynolds grew up at a time when formal engineering education in America was almost unavailable, but through his genius and his experience working under such masters as G.H. Corliss and William Wright, he developed into one of the best mechanical engineers in the country. When he was Plant Superintendent for the Corliss Steam Engine Company, he built the giant Corliss valve steam engine displayed at the 1876 Centennial Exhibition. In July 1877 he left the Corliss Steam Engine Company to join Edward Allis at his Reliance Works, although he was offered a lower salary. In 1861 Allis had moved his business to the Menomonee Valley, where he had the largest foundry in the area. Immediately on his arrival with Allis, Reynolds began desig-ning and building the "Reliance-Corliss" engine, which becamea symbol of simplicity, economy and reliability. By early 1878 the new engine was so successful that the firm had a six-month backlog of orders. In 1888 he built the first triple-expansion waterworks-pumping engine in the United States for the city of Milwaukee, and in the same year he patented a new design of blowing engine for blast furnaces. He followed this in March 1892 with the first steam engine sets coupled directly to electric generators when Allis-Chalmers contracted to build two Corliss cross-compound engines for the Narragansett Light Company of Providence, Rhode Island. In 1893, one of the impressive attractions at the World's Columbian Exposition in Chicago was the 3,000 hp (2,200 kW) quadruple-expansion Reynolds-Corliss engine designed by Reynolds, who continued to make significant improvements and gained worldwide recognition of his outstanding achievements in engine building.Reynolds was asked to go to New York in 1898 for consultation about some high-horsepower engines for the Manhattan transport system. There, 225 railway locomotives were to be replaced by electric trains, which would be supplied from one generating station producing 60,000 hp (45,000 kW). Reynolds sketched out his ideas for 10,000 hp (7,500 kW) engines while on the train. Because space was limited, he suggested a four-cylinder design with two horizontal-high-pressure cylinders and two vertical, low-pressure ones. One cylinder of each type was placed on each side of the flywheel generator, which with cranks at 135° gave an exceptionally smooth-running compact engine known as the "Manhattan". A further nine similar engines that were superheated and generated three-phase current were supplied in 1902 to the New York Interborough Rapid Transit Company. These were the largest reciprocating steam engines built for use on land, and a few smaller ones with a similar layout were installed in British textile mills.[br]Further ReadingConcise Dictionary of American Biography, 1964, New York: C.Scribner's Sons (contains a brief biography).R.L.Hills, 1989, Power from Steam. A History of the Stationary Steam Engine, Cambridge University Press (provides a brief account of the Manhattan engines) Part of the information for this biography is derived from a typescript in the Smithsonian Institution, Washington, DC: T.H.Fehring, "Technological contributions of Milwaukee's Menomonee Valley industries".RLH -
20 Westinghouse, George
[br]b. 6 October 1846 Central Bridge, New York, USAd. 12 March 1914 New York, New York, USA[br]American inventor and entrepreneur, pioneer of air brakes for railways and alternating-current distribution of electricity.[br]George Westinghouse's father was an ingenious manufacturer of agricultural implements; the son, after a spell in the Union Army during the Civil War, and subsequently in the Navy as an engineer, went to work for his father. He invented a rotary steam engine, which proved impracticable; a rerailing device for railway rolling stock in 1865; and a cast-steel frog for railway points, with longer life than the cast-iron frogs then used, in 1868–9. During the same period Westinghouse, like many other inventors, was considering how best to meet the evident need for a continuous brake for trains, i.e. one by which the driver could apply the brakes on all vehicles in a train simultaneously instead of relying on brakesmen on individual vehicles. By chance he encountered a magazine article about the construction of the Mont Cenis Tunnel, with a description of the pneumatic tools invented for it, and from this it occurred to him that compressed air might be used to operate the brakes along a train.The first prototype was ready in 1869 and the Westinghouse Air Brake Company was set up to manufacture it. However, despite impressive demonstration of the brake's powers when it saved the test train from otherwise certain collision with a horse-drawn dray on a level crossing, railways were at first slow to adopt it. Then in 1872 Westinghouse added to it the triple valve, which enabled the train pipe to charge reservoirs beneath each vehicle, from which the compressed air would apply the brakes when pressure in the train pipe was reduced. This meant that the brake was now automatic: if a train became divided, the brakes on both parts would be applied. From then on, more and more American railways adopted the Westinghouse brake and the Railroad Safety Appliance Act of 1893 made air brakes compulsory in the USA. Air brakes were also adopted in most other parts of the world, although only a minority of British railway companies took them up, the remainder, with insular reluctance, preferring the less effective vacuum brake.From 1880 Westinghouse was purchasing patents relating to means of interlocking railway signals and points; he combined them with his own inventions to produce a complete signalling system. The first really practical power signalling scheme, installed in the USA by Westinghouse in 1884, was operated pneumatically, but the development of railway signalling required an awareness of the powers of electricity, and it was probably this that first led Westinghouse to become interested in electrical processes and inventions. The Westinghouse Electric Company was formed in 1886: it pioneered the use of electricity distribution systems using high-voltage single-phase alternating current, which it developed from European practice. Initially this was violently opposed by established operators of direct-current distribution systems, but eventually the use of alternating current became widespread.[br]Principal Honours and DistinctionsLégion d'honneur. Order of the Crown of Italy. Order of Leopold.BibliographyWestinghouse took out some 400 patents over forty-eight years.Further ReadingH.G.Prout, 1922, A Life of "George Westinghouse", London (biography inclined towards technicalities).F.E.Leupp, 1918, George Westinghouse: His Life and Achievements, Boston (London 1919) (biography inclined towards Westinghouse and his career).J.F.Stover, 1961, American Railroads, Chicago: University of Chicago Press, pp. 152–4.PJGR
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