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  • 121 live

    Ⅰ.
    live1 [lɪv]
    vivre1 (a), 1 (b), 1 (d), 1 (f), 2 habiter1 (c) se nourrir1 (e)
    plants need oxygen to live les plantes ont besoin d'oxygène pour vivre;
    as long as I live tant que je vivrai, de mon vivant;
    was she still living when her grandson was born? est-ce qu'elle était encore en vie quand son petit-fils est né?;
    he hasn't long to live il ne lui reste pas beaucoup de temps à vivre;
    she didn't live long after her son died elle n'a pas survécu longtemps à son fils;
    the doctors think she'll live les médecins pensent qu'elle vivra;
    ironic you'll live! tu n'en mourras pas!;
    I won't live to see them grow up je ne vivrai pas assez vieux pour les voir grandir;
    she'll live to be 100 elle vivra jusqu'à 100 ans, elle sera centenaire;
    we live in interesting times nous vivons une époque intéressante;
    to live on borrowed time être en sursis;
    to live to a ripe old age vivre vieux ou jusqu'à un âge avancé;
    figurative the dialogue is what makes the characters live ce sont les dialogues qui donnent de la vie aux personnages;
    your words will live in our hearts/memories vos paroles resteront à jamais dans nos cœurs/notre mémoire
    to live dangerously vivre dangereusement;
    familiar go on, live dangerously! allez, vas-y, on n'a qu'une vie!;
    to live well vivre bien;
    they lived happily ever after ils vécurent heureux jusqu'à la fin de leurs jours;
    he lives by the rules il mène une vie bien rangée;
    the rules we all live by les règles auxquelles nous nous plions tous;
    she lives for her children/for skiing elle ne vit que pour ses enfants/que pour le ski;
    he lived for music il ne vivait que pour la musique;
    we're living for the day we emigrate nous vivons dans l'attente du jour où nous émigrerons;
    she was living for the chance of revenge la perspective de vengeance était sa raison de vivre;
    to live in poverty/luxury vivre dans la pauvreté/le luxe;
    to live in fear vivre dans la peur;
    he lives in the past il vit dans le passé;
    we live in uncertain times nous vivons une époque incertaine;
    humorous he lives in that shirt! il a cette chemise sur le dos en permanence!;
    proverb live and let live! = il faut savoir faire preuve de tolérance!;
    well, you live and learn! on en apprend tous les jours!
    (c) (reside) habiter;
    where does she live? où habite-t-elle?;
    they have nowhere to live ils sont à la rue;
    the giant tortoise lives mainly in the Galapagos la tortue géante vit surtout aux Galapagos;
    they live in Rome ils habitent (à) Rome, ils vivent à Rome;
    I lived in France for a year j'ai vécu en France pendant un an;
    to live in a flat/a castle habiter (dans) un appartement/un château;
    she lives in a fifth-floor flat elle vit dans un appartement au cinquième étage;
    to live at Number 10 habiter au numéro 10;
    to live in the town/country habiter ou vivre en ville/à la campagne;
    I live in or on Bank Street j'habite Bank Street;
    they live in or on my street ils habitent (dans) ma rue;
    to live on the street être à la rue;
    she lives on the ground floor elle habite au rez-de-chaussée;
    he practically lives in or at the library il passe sa vie à la bibliothèque;
    do you live with your parents? habitez-vous chez vos parents?;
    old-fashioned or humorous to live in sin (with sb) vivre dans le péché (avec qn)
    they don't earn enough to live ils ne gagnent pas de quoi vivre;
    he lives by teaching il gagne sa vie en enseignant;
    the tribe lives by hunting la tribu vit de la chasse
    (e) (obtain food) se nourrir;
    we've been living out of cans or tins lately on se nourrit de conserves depuis quelque temps;
    he was reduced to living out of rubbish bins il en était réduit à fouiller les poubelles pour se nourrir
    (f) (exist fully, intensely) vivre;
    she really knows how to live elle sait vraiment profiter de la vie;
    let's live for the moment or for today! vivons l'instant présent!;
    I want to live a little je veux profiter de la vie;
    if you haven't been to New York, you haven't lived! si tu n'es jamais allé à New York, tu n'as rien vu!
    vivre;
    to live a life of poverty vivre dans la pauvreté;
    to live a life of luxury mener la grande vie;
    to live a solitary life mener une vie solitaire;
    to live a lie être dans une situation fausse;
    she lived the life of a film star for six years elle a vécu comme une star de cinéma pendant six ans;
    familiar to live it up faire la fête;
    my father lives and breathes golf mon père ne vit que pour le golf
    (recover from → error, disgrace, ridicule)
    they'll never let him live that down ils ne lui passeront ou pardonneront jamais cela;
    if I forget her birthday, I'll never live it down! si j'oublie son anniversaire, elle ne me le pardonnera jamais!;
    you'll never live this down! tu n'as pas fini d'en entendre parler!
    (a) (servant) être logé et nourri; (worker, nurse) être logé ou habiter sur place;
    all their farm hands live in tous leurs ouvriers agricoles sont logés sur place
    (b) (pupil) être interne
    (a) (sponge off) vivre aux crochets de;
    he lives off his parents il vit aux crochets de ses parents
    (b) (savings) vivre de; (nuts, berries) se nourrir de;
    they live off the fruit of other people's labours ils vivent du produit du travail d'autrui;
    to live off the land vivre de la terre
    live on
    (person) continuer à vivre; (custom, ideal) persister;
    she lived on to the end in the same house elle a vécu dans la même maison jusqu'à sa mort;
    his memory lives on son souvenir est encore vivant
    (a) (food) vivre de, se nourrir de;
    to live on fruit and vegetables vivre de fruits et de légumes
    (b) (salary) vivre de;
    it's not enough to live on ce n'est pas suffisant pour vivre;
    to earn enough to live on gagner de quoi vivre;
    how does she live on that salary? comment s'en sort-elle avec ce salaire?;
    his pension is all they have to live on ils n'ont que sa retraite pour vivre;
    to live on $800 a month vivre avec 800 dollars par mois
    to live on one's wits vivre d'expédients;
    to live on one's name vivre sur sa réputation
    (a) (spend) passer;
    she lived out the rest of her life in Spain elle a passé le reste de sa vie en Espagne
    (b) (fulfil) vivre;
    he lived out his destiny sa destinée s'est accomplie, il a suivi son destin;
    to live out one's fantasies réaliser ses rêves
    the maid lives out la bonne ne loge pas sur place;
    he studies here but lives out il est étudiant ici mais il n'habite pas sur le campus
    they live out of tins ils ne mangent que des conserves
    (experience → war, hard times etc) vivre, connaître; (survive → war, drought) survivre à;
    they've lived through war and famine ils ont connu la guerre et la famine;
    he's unlikely to live through the winter il est peu vraisemblable qu'il passe l'hiver
    (as a couple) vivre ensemble, cohabiter
    (name, reputation) se montrer à la hauteur de; (expectation) être ou se montrer à la hauteur de, répondre à;
    we have a reputation to live up to! nous avons une réputation à défendre!;
    it's too much for me to live up to on m'en demande trop;
    the holiday didn't live up to our expectations les vacances n'étaient pas à la hauteur de nos espérances
    (a) (cohabit with) vivre avec;
    she lived with him for a couple of years before they got married elle a vécu avec lui pendant quelques années avant qu'ils se marient
    she's not easy to live with elle n'est pas facile à vivre;
    I don't like the situation, but I have to live with it cette situation ne me plaît pas, mais je n'ai pas le choix;
    I couldn't live with myself if I didn't tell him the truth je ne supporterais pas de ne pas lui dire la vérité;
    you'll always live with the guilt la culpabilité vous poursuivra toute la vie;
    it's not ideal but I can live with it ce n'est pas l'idéal mais je m'y ferai
    ✾ Book ✾ Film 'You only live twice' Fleming, Gilbert 'On ne vit que deux fois'
    To live fast, die young and leave a beautiful corpse À l'origine, cette phrase provient du titre d'un film de 1949 mis en scène par Nicholas Ray intitulé Knock on Any Door ("Les Ruelles du malheur"), dont le personnage principal, un marginal joué par John Derek, voulait "vivre vite, mourir jeune et laisser un beau cadavre". Aujourd'hui cette formule est davantage associée aux personnages de rebelles qu'incarnaient James Dean et d'autres jeunes acteurs des années 50 et 60, et à la vie trépidante qu'ils menaient dans la réalité. Cette formule est généralement utilisée dans sa version tronquée ( live fast and die young) pour faire référence à un style de vie débridé. On dira par exemple I don't like these modern pop stars and their live fast, die young attitude ("je n'aime pas les vedettes de la musique pop d'aujourd'hui qui ne pensent qu'à s'amuser sans jamais penser aux conséquences").
    Ⅱ.
    live2 [laɪv]
    (a) (alive → animal, person) vivant;
    the live weight of the animal le poids de l'animal sur pied;
    they feed the snakes on live mice ils nourrissent les serpents de souris vivantes;
    familiar a real live cowboy un cow-boy, un vrai de vrai
    (b) Music, Radio & Television (programme, interview, concert) en direct;
    live pictures from Mars des images en direct de Mars;
    Sinatra live at the Palladium Sinatra en concert au Palladium;
    recorded before a live audience enregistré en public
    (c) Electricity (connected) sous tension
    (d) Technology (load) roulant, mobile
    (e) (unexploded) non explosé
    (f) (still burning → coals, embers) ardent
    (g) (not extinct → volcano) actif
    (h) (controversial) controversé;
    a live issue un sujet controversé
    en direct;
    to perform live (singer, group) chanter en direct;
    they've never performed live ils n'ont jamais fait de scène;
    the match can be seen/is going out live at 3.30 p.m. on peut suivre le match/le match est diffusé en direct à 15 heures 30;
    the show comes live from New York City le spectacle nous arrive en direct de New York
    ►► live ammunition balles fpl réelles;
    Technology live axle essieu m moteur, pont m;
    live births naissances fpl viables;
    Computing live cam caméra f Internet;
    Electricity live circuit circuit m alimenté ou sous tension;
    live entertainment spectacle m; (broadcast) spectacles mpl en direct;
    nobody goes to see live entertainment any more plus personne ne va au spectacle de nos jours;
    the theatre and other forms of live entertainment le théâtre et autres formes de divertissement;
    live music musique f live;
    live oak chêne m vert;
    American familiar live one (dupe) poire f, pigeon m;
    live recording enregistrement m live ou public;
    Electricity live wire fil m sous tension;
    familiar figurative she's a real live wire elle déborde d'énergie ;
    Cookery live yoghurt yaourt m actif

    Un panorama unique de l'anglais et du français > live

  • 122 Burrell, William

    SUBJECT AREA: Ports and shipping
    [br]
    b. c.1570 England
    d. 1630 near Huntingdon, England
    [br]
    English shipbuilder and Chief Shipwright to the East India Company.
    [br]
    Born into comfortable circumstances, Burrell chose ship construction as his career. Ability aided by financial influence helped professional advancement, and by his early thirties he possessed a shipyard at Ratcliffe on the River Thames. Ship design was then unscientific, shrouded in mystique, and it required patience and perseverance to penetrate the conventions of the craft.
    From the 1600s Burrell had been investing in the East India Company. In 1607 the Company decided to build ships in their own right, and Burrell was appointed as the first Master Shipwright, a post he held for nearly twenty years. The first ship, Trade's Increase, of 1,000-tons burthen, was the largest ship built in England until the eighteenth century, but following a mishap at launch and the ship's subsequent loss on its maiden voyage, the Company reassessed its policy and built smaller ships. Burrell's foresight can be gauged by his involvement in two private commercial undertakings in Ireland; one to create oak forests for shipbuilding, and the other to set up a small ironworks. In 1618 a Royal Commission was appointed to enquire into the poor condition of the Navy, and with the help of Burrell it was ruled that the main problems were neglect and corruption. With his name being known and his good record of production, the Royal Navy ordered no fewer than ten warships from Burrell in the four-year period from 1619 to 1623. With experience in the military and commercial sectors, Burrell can be regarded as an all-round and expert shipbuilder of the Stuart period. He used intuition at a time when there were no scientific rules and little reliable empiric guidance on ship design.
    [br]
    Principal Honours and Distinctions
    First Warden of the Shipwrights' Company after its new Charter of 1612.
    Further Reading
    A.P.McGowan, 1978, "William Burrell (c. 1570–1630). A forgotten Stuart shipwright", Ingrid and other Studies (National Maritime Museum Monograph No. 36). W.Abell, 1948, The Shipwright's Trade, Cambridge.
    FMW

    Biographical history of technology > Burrell, William

  • 123 Carnot, Nicolas Léonard Sadi

    [br]
    b. 1 June 1796 Paris, France
    d. 24 August 1831 Paris, France
    [br]
    French laid the foundations for modern thermodynamics through his book Réflexions sur la puissance motrice du feu when he stated that the efficiency of an engine depended on the working substance and the temperature drop between the incoming and outgoing steam.
    [br]
    Sadi was the eldest son of Lazare Carnot, who was prominent as one of Napoleon's military and civil advisers. Sadi was born in the Palais du Petit Luxembourg and grew up during the Napoleonic wars. He was tutored by his father until in 1812, at the minimum age of 16, he entered the Ecole Polytechnique to study stress analysis, mechanics, descriptive geometry and chemistry. He organized the students to fight against the allies at Vincennes in 1814. He left the Polytechnique that October and went to the Ecole du Génie at Metz as a student second lieutenant. While there, he wrote several scientific papers, but on the Restoration in 1815 he was regarded with suspicion because of the support his father had given Napoleon. In 1816, on completion of his studies, Sadi became a second lieutenant in the Metz engineering regiment and spent his time in garrison duty, drawing up plans of fortifications. He seized the chance to escape from this dull routine in 1819 through an appointment to the army general staff corps in Paris, where he took leave of absence on half pay and began further courses of study at the Sorbonne, Collège de France, Ecole des Mines and the Conservatoire des Arts et Métiers. He was inter-ested in industrial development, political economy, tax reform and the fine arts.
    It was not until 1821 that he began to concentrate on the steam-engine, and he soon proposed his early form of the Carnot cycle. He sought to find a general solution to cover all types of steam-engine, and reduced their operation to three basic stages: an isothermal expansion as the steam entered the cylinder; an adiabatic expansion; and an isothermal compression in the condenser. In 1824 he published his Réflexions sur la puissance motrice du feu, which was well received at the time but quickly forgotten. In it he accepted the caloric theory of heat but pointed out the impossibility of perpetual motion. His main contribution to a correct understanding of a heat engine, however, lay in his suggestion that power can be produced only where there exists a temperature difference due "not to an actual consumption of caloric but to its transportation from a warm body to a cold body". He used the analogy of a water-wheel with the water falling around its circumference. He proposed the true Carnot cycle with the addition of a final adiabatic compression in which motive power was con sumed to heat the gas to its original incoming temperature and so closed the cycle. He realized the importance of beginning with the temperature of the fire and not the steam in the boiler. These ideas were not taken up in the study of thermodynartiics until after Sadi's death when B.P.E.Clapeyron discovered his book in 1834.
    In 1824 Sadi was recalled to military service as a staff captain, but he resigned in 1828 to devote his time to physics and economics. He continued his work on steam-engines and began to develop a kinetic theory of heat. In 1831 he was investigating the physical properties of gases and vapours, especially the relationship between temperature and pressure. In June 1832 he contracted scarlet fever, which was followed by "brain fever". He made a partial recovery, but that August he fell victim to a cholera epidemic to which he quickly succumbed.
    [br]
    Bibliography
    1824, Réflexions sur la puissance motrice du feu; pub. 1960, trans. R.H.Thurston, New York: Dover Publications; pub. 1978, trans. Robert Fox, Paris (full biographical accounts are provided in the introductions of the translated editions).
    Further Reading
    Dictionary of Scientific Biography, 1971, Vol. III, New York: C.Scribner's Sons. T.I.Williams (ed.), 1969, A Biographical Dictionary of Scientists, London: A. \& C.
    Black.
    Chambers Concise Dictionary of Scientists, 1989, Cambridge.
    D.S.L.Cardwell, 1971, from Watt to Clausius. The Rise of Thermodynamics in the Early Industrial Age, London: Heinemann (discusses Carnot's theories of heat).
    RLH

    Biographical history of technology > Carnot, Nicolas Léonard Sadi

  • 124 Gabor, Dennis (Dénes)

    [br]
    b. 5 June 1900 Budapest, Hungary
    d. 9 February 1979 London, England
    [br]
    Hungarian (naturalized British) physicist, inventor of holography.
    [br]
    Gabor became interested in physics at an early age. Called up for military service in 1918, he was soon released when the First World War came to an end. He then began a mechanical engineering course at the Budapest Technical University, but a further order to register for military service prompted him to flee in 1920 to Germany, where he completed his studies at Berlin Technical University. He was awarded a Diploma in Engineering in 1924 and a Doctorate in Electrical Engineering in 1927. He then went on to work in the physics laboratory of Siemens \& Halske. He returned to Hungary in 1933 and developed a new kind of fluorescent lamp called the plasma lamp. Failing to find a market for this device, Gabor made the decision to abandon his homeland and emigrate to England. There he joined British Thompson-Houston (BTH) in 1934 and married a colleague from the company in 1936. Gabor was also unsuccessful in his attempts to develop the plasma lamp in England, and by 1937 he had begun to work in the field of electron optics. His work was interrupted by the outbreak of war in 1939, although as he was not yet a British subject he was barred from making any significant contribution to the British war effort. It was only when the war was near its end that he was able to return to electron optics and begin the work that led to the invention of holography. The theory was developed during 1947 and 1948; Gabor went on to demonstrate that the theories worked, although it was not until the invention of the laser in 1960 that the full potential of his invention could be appreciated. He coined the term "hologram" from the Greek holos, meaning complete, and gram, meaning written. The three-dimensional images have since found many applications in various fields, including map making, medical imaging, computing, information technology, art and advertising. Gabor left BTH to become an associate professor at the Imperial College of Science and Technology in 1949, a position he held until his retirement in 1967. In 1971 he was awarded the Nobel Prize for Physics for his work on holography.
    [br]
    Principal Honours and Distinctions
    Royal Society Rumford Medal 1968. Franklin Institute Michelson Medal 1968. CBE 1970. Nobel Prize for Physics 1971.
    Bibliography
    1948. "A new microscopic principle", Nature 161:777 (Gabor's earliest publication on holography).
    1949. "Microscopy by reconstructed wavefronts", Proceedings of the Royal Society A197: 454–87.
    1951, "Microscopy by reconstructed wavefronts II", Proc. Phys. Soc. B, 64:449–69. 1966, "Holography or the “Whole Picture”", New Scientist 29:74–8 (an interesting account written after laser beams were used to produce optical holograms).
    Further Reading
    T.E.Allibone, 1980, contribution to Biographical Memoirs of Fellows of the Royal Society 26: 107–47 (a full account of Gabor's life and work).
    JW

    Biographical history of technology > Gabor, Dennis (Dénes)

  • 125 Holden, Sir Isaac

    SUBJECT AREA: Textiles
    [br]
    b. 7 May 1807 Hurlet, between Paisley and Glasgow, Scotland
    d. 13 August 1897
    [br]
    British developer of the wool-combing machine.
    [br]
    Isaac Holden's father, who had the same name, had been a farmer and lead miner at Alston in Cumbria before moving to work in a coal-mine near Glasgow. After a short period at Kilbarchan grammar school, the younger Isaac was engaged first as a drawboy to two weavers and then, after the family had moved to Johnstone, Scotland, worked in a cotton-spinning mill while attending night school to improve his education. He was able to learn Latin and bookkeeping, but when he was about 15 he was apprenticed to an uncle as a shawl-weaver. This proved to be too much for his strength so he returned to scholastic studies and became Assistant to an able teacher, John Kennedy, who lectured on physics, chemistry and history, which he also taught to his colleague. The elder Isaac died in 1826 and the younger had to provide for his mother and younger brother, but in 1828, at the age of 21, he moved to a teaching post in Leeds. He filled similar positions in Huddersfield and Reading, where in October 1829 he invented and demonstrated the lucifer match but did not seek to exploit it. In 1830 he returned because of ill health to his mother in Scotland, where he began to teach again. However, he was recommended as a bookkeeper to William Townend, member of the firm of Townend Brothers, Cullingworth, near Bingley, Yorkshire. Holden moved there in November 1830 and was soon involved in running the mill, eventually becoming a partner.
    In 1833 Holden urged Messrs Townend to introduce seven wool-combing machines of Collier's designs, but they were found to be very imperfect and brought only trouble and loss. In 1836 Holden began experimenting on the machines until they showed reasonable success. He decided to concentrate entirely on developing the combing machine and in 1846 moved to Bradford to form an alliance with Samuel Lister. A joint patent in 1847 covered improvements to the Collier combing machine. The "square motion" imitated the action of the hand-comber more closely and was patented in 1856. Five more patents followed in 1857 and others from 1858 to 1862. Holden recommended that the machines should be introduced into France, where they would be more valuable for the merino trade. This venture was begun in 1848 in the joint partnership of Lister \& Holden, with equal shares of profits. Holden established a mill at Saint-Denis, first with Donisthorpe machines and then with his own "square motion" type. Other mills were founded at Rheims and at Croix, near Roubaix. In 1858 Lister decided to retire from the French concerns and sold his share to Holden. Soon after this, Holden decided to remodel all their machinery for washing and carding the gill machines as well as perfecting the square comb. Four years of excessive application followed, during which time £20,000 was spent in experiments in a small mill at Bradford. The result fully justified the expenditure and the Alston Works was built in Bradford.
    Holden was a Liberal and from 1865 to 1868 he represented Knaresborough in Parliament. Later he became the Member of Parliament for the Northern Division of the Riding, Yorkshire, and then for the town of Keighley after the constituencies had been altered. He was liberal in his support of religious, charitable and political objectives. His house at Oakworth, near Keighley, must have been one of the earliest to have been lit by electricity.
    [br]
    Principal Honours and Distinctions
    Baronet 1893.
    Bibliography
    1847, with Samuel Lister, British patent no. 11,896 (improved Collier combing machine). 1856. British patent no. 1,058 ("square motion" combing machine).
    1857. British patent no. 278 1857, British patent no. 279 1857, British patent no. 280 1857, British patent no. 281 1857, British patent no. 3,177 1858, British patent no. 597 1859, British patent no. 52 1860, British patent no. 810 1862, British patent no. 1,890 1862, British patent no. 3,394
    Further Reading
    J.Hogg (ed.), c.1888, Fortunes Made in Business, London (provides an account of Holden's life).
    Obituary, 1897, Engineer 84.
    Obituary, 1897, Engineering 64.
    E.M.Sigsworth, 1973, "Sir Isaac Holden, Bt: the first comber in Europe", in N.B.Harte and K.G.Ponting (eds), Textile History and Economic History, Essays in Honour of
    Miss Julia de Lacy Mann, Manchester.
    W.English, 1969, The Textile Industry, London (provides a good explanation of the square motion combing machine).
    RLH

    Biographical history of technology > Holden, Sir Isaac

  • 126 Houston, Sir Alexander Cruickshank

    SUBJECT AREA: Public utilities
    [br]
    b. 18 September 1865 Settle, Yorkshire, England
    d. 29 October 1933 London, England
    [br]
    English physician and bacteriologist, pioneer of the chlorination of water supplies.
    [br]
    Son of an Army surgeon-general, he graduated in Edinburgh in 1889. Specializing in public health and forensic matters, he worked from 1897 to 1905 for the Local Government Board on lead poisoning resulting from moorland water supplies. He also acted as Bacteriologist to the Royal Commission on Sewage Disposal from 1890 to 1905. In 1905 he was appointed Director of Water Examinations to the Metropolitan Water Board, with whom he served until his death. Shortly before he joined the Board, he was involved in the investigation of an outbreak of typhoid at Lincoln and was instrumental in establishing a chlorination plant of a rudimentary nature there, and also in organizing the comprehensive chlorinating system which was then applied to London's water supply. He also advised on water supplies in Egypt and Canada.
    [br]
    Principal Honours and Distinctions
    Knighted 1918. Commander of the Royal Victorian Order 1919. FRS 1931. Gunning Victoria Jubilee Prize, Edinburgh 1892.
    Bibliography
    1914, Studies in Water Supply.
    1918, Rural Water Supplies and their Purification.
    1953, London's Water Supply, 1903–1953, London: Metropolitan Water Board.
    MG

    Biographical history of technology > Houston, Sir Alexander Cruickshank

  • 127 Hunter, John

    SUBJECT AREA: Medical technology
    [br]
    b. 14 (registered 13) February 1728 East Kilbride, Lanarkshire, Scotland
    d. 16 October 1793 London, England
    [br]
    Scottish surgeon and anatomist, pioneer of experimental methods in medicine and surgery.
    [br]
    The younger brother of William Hunter (1718–83), who was of great distinction but perhaps of slightly less achievement in similar fields, he owed much of his early experience to his brother; William, after a period at Glasgow University, moved to St George's Hospital, London. In his later teens, John assisted a brother-in-law with cabinet-making. This appears to have contributed to the lifelong mechanical skill which he displayed as a dissector and surgeon. This skill was particularly obvious when, after following William to London in 1748, he held post at a number of London teaching hospitals before moving to St George's in 1756. A short sojourn at Oxford in 1755 appears to have been unfruitful.
    Despite his deepening involvement in the study of comparative anatomy, facilitated by the purchase of animals from the Tower menagerie and travelling show people, he accepted an appointment as a staff surgeon in the Army in 1760, participating in the expedition to Belle Isle and also serving in Portugal. He returned home with over 300 specimens in 1763 and, until his appointment as Surgeon to St George's in 1768, was heavily involved in the examination of this and other material, as well as in studies of foetal testicular descent, placental circulation, the nature of pus and lymphatic circulation. In 1772 he commenced lecturing on the theory and practice of surgery, and in 1776 he was appointed Surgeon-Extraordinary to George III.
    He is rightly regarded as the founder of scientific surgery, but his knowledge was derived almost entirely from his own experiments and observations. His contemporaries did not always accept or understand the concepts which led to such aphorisms as, "to perform an operation is to mutilate a patient we cannot cure", and his written comment to his pupil Jenner: "Why think. Why not trie the experiment". His desire to establish the aetiology of gonorrhoea led to him infecting himself, as a result of which he also contracted syphilis. His ensuing account of the characteristics of the disease remains a classic of medicine, although it is likely that the sequelae of the condition brought about his death at a relatively early age. From 1773 he suffered recurrent anginal attacks of such a character that his life "was in the hands of any rascal who chose to annoy and tease him". Indeed, it was following a contradiction at a board meeting at St George's that he died.
    By 1788, with the death of Percival Pott, he had become unquestionably the leading surgeon in Britain, if not Europe. Elected to the Royal Society in 1767, the extraordinary variety of his collections, investigations and publications, as well as works such as the "Treatise on the natural history of the human teeth" (1771–8), gives testimony to his original approach involving the fundamental and inescapable relation of structure and function in both normal and disease states. The massive growth of his collections led to his acquiring two houses in Golden Square to contain them. It was his desire that after his death his collection be purchased and preserved for the nation. It contained 13,600 specimens and had cost him £70,000. After considerable delay, Par-liament voted inadequate sums for this purpose and the collection was entrusted to the recently rechartered Royal College of Surgeons of England, in whose premises this remarkable monument to the omnivorous and eclectic activities of this outstanding figure in the evolution of medicine and surgery may still be seen. Sadly, some of the collection was lost to bombing during the Second World War. His surviving papers were also extensive, but it is probable that many were destroyed in the early nineteenth century.
    [br]
    Principal Honours and Distinctions
    FRS 1767. Copley Medal 1787.
    Bibliography
    1835–7, Works, ed. J.F.Palmer, Philosophical Transactions of the Royal Society, London.
    MG

    Biographical history of technology > Hunter, John

  • 128 Jansky, Karl Guthe

    [br]
    b. 22 October 1905 Norman, Oklahoma, USA
    d. 14 February 1950 Red Bank, New Jersey, USA
    [br]
    American radio engineer who discovered stellar radio emission.
    [br]
    Following graduation from the University of Wisconsin in 1928 and a year of postgraduate study, Jansky joined Bell Telephone Laboratories in New Jersey with the task of establishing the source of interference to telephone communications by radio. To this end he constructed a linear-directional short-wave antenna and eventually, in 1931, he concluded that the interference actually came from the stars, the major source being the constellation Sagittarius in the direction of the centre of the Milky Way. Although he continued to study the propagation of short radio waves and the nature of observed echoes, it was left to others to develop the science of radioastronomy and to use the creation of echoes for radiolocation. Although he received no scientific award for his discovery, Jansky's name is primarily honoured by its use as the unit of stellar radio-emission strength.
    [br]
    Bibliography
    1935, "Directional studies of atmospherics at high frequencies", Proceedings of the Institute of Radio Engineers 23:1,158.
    1935, "A note on the sources of stellar interference", Proceedings of the Institute of Radio
    Engineers.
    1937, "Minimum noise levels obtained on short-wave radio receiving systems", Proceedings of the Institute of Radio Engineers 25:1,517.
    1941, "Measurements of the delay and direction of arrival of echoes from nearby short-wave transmitters", Proceedings of the Institute of Radio Engineers 29:322.
    Further Reading
    P.C.Mahon, 1975, BellLabs, Mission Communication. The Story of the Bell Labs.
    W.I.Sullivan (ed.), 1984, The Early Years of Radio-Astronomy: Reflections 50 Years after Jansky's Discovery, Cambridge: Cambridge University Press.
    KF

    Biographical history of technology > Jansky, Karl Guthe

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