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the+metals

  • 41 согласно современным нормам

    Русско-английский научно-технический словарь переводчика > согласно современным нормам

  • 42 сплавление с

    •

    The alloying of copper with other metals requires...

    Русско-английский научно-технический словарь переводчика > сплавление с

  • 43 способность поддаваться обработке

    •

    The elements lead, sulphur and some others are commonly added to metals to improve their machinability (or workability).

    Русско-английский научно-технический словарь переводчика > способность поддаваться обработке

  • 44 Разрушающее окисление

    Русско-английский словарь по прикладной математике и механике > Разрушающее окисление

  • 45 soldadura

    f.
    3 welding, weld, brazing.
    * * *
    1 (acción) welding, soldering
    2 (unión) weld, soldered joint
    * * *
    SF
    1) [de materiales] solder
    2) (=acción) [con estaño] soldering; [sin estaño] welding
    3) (=juntura) welded seam, weld
    * * *
    femenino (Tec)
    a) ( acción - con estaño) soldering; (- sin estaño) welding
    b) ( efecto) ( con estaño) solder; ( sin estaño) weld
    * * *
    = welding, soldering, soldered joint, welding seam.
    Ex. The subject headings ' welding of plastic bags' and 'polyethylene films', may be analysed in the same way to fit into categories which define their role in relation to the other concepts involved.
    Ex. The subjects 'welding' and 'soldering' might both be found under Metals (Metals -- welding, Metals -- soldering), which would show their relationship but would not give direct entry.
    Ex. An early Ferranti computer (1950) contained 4,000 valves, had six miles of wiring, 100,000 soldered joints, and needed 27 Kilowatts of power before it could function.
    Ex. This method can also be used to track an object or some feature of it (e.g. welding seams).
    * * *
    femenino (Tec)
    a) ( acción - con estaño) soldering; (- sin estaño) welding
    b) ( efecto) ( con estaño) solder; ( sin estaño) weld
    * * *
    = welding, soldering, soldered joint, welding seam.

    Ex: The subject headings ' welding of plastic bags' and 'polyethylene films', may be analysed in the same way to fit into categories which define their role in relation to the other concepts involved.

    Ex: The subjects 'welding' and 'soldering' might both be found under Metals (Metals -- welding, Metals -- soldering), which would show their relationship but would not give direct entry.
    Ex: An early Ferranti computer (1950) contained 4,000 valves, had six miles of wiring, 100,000 soldered joints, and needed 27 Kilowatts of power before it could function.
    Ex: This method can also be used to track an object or some feature of it (e.g. welding seams).

    * * *
    1 ( Tec) (con estaño) soldering; (sin estaño) welding
    2 ( Med) knitting
    Compuesto:
    autogenous welding
    1 ( Tec) (con estaño) solder; (sin estaño) weld
    2 ( Med) knit
    * * *

     

    soldadura sustantivo femenino
    1 soldiering, welding
    2 (unión) soldered joint, welded seam
    ' soldadura' also found in these entries:
    English:
    solder
    * * *
    1. [acción] [con estaño] soldering;
    [por arco, oxiacetilénica] welding soldadura autógena autogenous welding
    2. [juntura] [con estaño] soldered joint;
    [por arco, oxiacetilénica] weld
    3. [de fractura] knitting (together)
    * * *
    f welding, soldering
    * * *
    1) : welding
    2) : soldering, solder

    Spanish-English dictionary > soldadura

  • 46 Volta, Alessandro Giuseppe Antonio Anastasio

    SUBJECT AREA: Electricity
    [br]
    b. 18 February 1745 Como, Italy
    d. 5 March 1827 Como, Italy
    [br]
    Italian physicist, discoverer of a source of continuous electric current from a pile of dissimilar metals.
    [br]
    Volta had an early command of English, French and Latin, and also learned to read Dutch and Spanish. After completing studies at the Royal Seminary in Como he was involved in the study of physics, chemistry and electricity. He became a teacher of physics in his native town and in 1779 was appointed Professor of Physics at the University of Pavia, a post he held for forty years.
    With a growing international reputation and a wish to keep abreast of the latest developments, in 1777 he began the first of many travels abroad. A journey started in 1781 to Switzerland, Germany, Belgium, Holland, France and England lasted about one year. By 1791 he had been elected to membership of many learned societies, including those in Zurich, Berlin, Berne and Paris. Volta's invention of his pile resulted from a controversy with Luigi Galvani, Professor of Anatomy at the University of Bologna. Galvani discovered that the muscles of frogs' legs contracted when touched with two pieces of different metals and attributed this to a phenomenon of the animal tissue. Volta showed that the excitation was due to a chemical reaction resulting from the contact of the dissimilar metals when moistened. His pile comprised a column of zinc and silver discs, each pair separated by paper moistened with brine, and provided a source of continuous current from a simple and accessible source. The effectiveness of the pile decreased as the paper dried and Volta devised his crown of cups, which had a longer life. In this, pairs of dissimilar metals were placed in each of a number of cups partly filled with an electrolyte such as brine. Volta first announced the results of his experiments with dissimilar metals in 1800 in a letter to Sir Joseph Banks, President of the Royal Society. This letter, published in the Transactions of the Royal Society, has been regarded as one of the most important documents in the history of science. Large batteries were constructed in a number of laboratories soon after Volta's discoveries became known, leading immediately to a series of developments in electrochemistry and eventually in electromagnetism. Volta himself made little further contribution to science. In recognition of his achievement, at a meeting of the International Electrical Congress in Paris in 1881 it was agreed to name the unit of electrical pressure the "volt".
    [br]
    Principal Honours and Distinctions
    FRS 1791. Royal Society Copley Medal 1794. Knight of the Iron Crown, Austria, 1806. Senator of the Realm of Lombardy 1809.
    Bibliography
    1800, Philosophical Transactions of the Royal Society 18:744–6 (Volta's report on his discovery).
    Further Reading
    G.Polvani, 1942, Alessandro Volta, Pisa (the best account available).
    B.Dibner, 1964, Alessandro Volta and the Electric Battery, New York (a detailed account).
    C.C.Gillispie (ed.), 1976, Dictionary of Scientific Biography, Vol. XIV, New York, pp.
    66–82 (includes an extensive biography).
    F.Soresni, 1988, Alessandro Volta, Milan (includes illustrations of Volta's apparatus, with brief text).
    GW

    Biographical history of technology > Volta, Alessandro Giuseppe Antonio Anastasio

  • 47 oro

    m.
    gold (metal).
    de oro gold
    oro en barras bullion
    oro en polvo gold dust
    pres.indicat.
    1st person singular (yo) present indicative of spanish verb: orar.
    * * *
    1 gold
    1 (color) golden
    1 (baraja española) ≈ diamonds
    \
    guardar algo como oro en paño to cherish something
    hacerse de oro to make a fortune
    no es oro todo lo que reluce all that glitters is not gold
    prometer el oro y el moro to promise the earth
    tener un corazón de oro to have a heart of gold
    oro de ley pure gold
    oro negro oil
    * * *
    noun m.
    * * *
    SM
    1) (=metal) gold

    de oro — gold antes de s, golden frec liter

    oro en barras — gold bars pl, bullion

    oro negro — black gold, oil

    2) pl oros Esp (Naipes) one of the suits in the Spanish card deck, represented by gold coins
    See:
    ver nota culturelle BARAJA ESPAÑOLA in baraja
    * * *
    I
    adjetivo invariable gold
    II
    1) ( metal) gold

    andar cargado al oro — (Chi fam) to be loaded (colloq)

    guardar/tener algo como oro en polvo (AmL) or (Esp) en paño — to treasure something (as if it were gold (AmE) o (BrE) gold dust)

    prometer el oro y el moro — to promise the earth

    2) ( en naipes)
    * * *
    = gold.
    Ex. In a thesaurus on dentistry, for example, the term gold will be an NT under FILLING MATERIALS; it would make little sense to create a 'metals' or 'precious metals' hierarchy.
    ----
    * acabar con un broche de oro = end + Nombre + on a high (note).
    * adornado con pan de oro = gold-leafed.
    * aniversario de oro = golden anniversary.
    * bodas de oro = golden wedding.
    * buscador de oro = gold digger, gold prospector.
    * buscar oro = pan for + gold.
    * búsqueda de oro = gold digging.
    * corazón de oro = heart of gold.
    * costar el oro y el moro = cost + the earth, cost + an arm and a leg, cost + a pretty penny, cost + a fortune.
    * dar el oro y el moro = give + Posesivo + right arm.
    * dar todo el oro del mundo = give + Posesivo + right arm.
    * de oro macizo = solid-gold.
    * descubrir una mina de oro = strike + gold, hit + the jackpot.
    * edad de oro = golden age.
    * el tiempo es oro = time is money.
    * enchapado en oro = gold-plated.
    * en oro = gilt.
    * en pan de oro = gold-leafed.
    * estampado en oro = gold tooling, goldblocking, gilt-tooled.
    * fiebre del oro, la = gold rush, the.
    * impresión en oro = gold tooling.
    * lingote de oro = gold bar.
    * mina de oro = goldmine [gold mine], gold mine.
    * no ser oro todo lo que reluce = not + it's cracked up to be.
    * No todo lo que reluce es oro = All that glitters is not gold, Not all that is gold glitters.
    * oportunidad de oro = golden opportunity.
    * oro batido = gold leaf.
    * oro en lingotes = gold bullion.
    * pan de oro = gold leaf.
    * patrón oro, el = gold standard, the.
    * pepita de oro = nugget of gold.
    * pico de oro = gift of the (gob/gab), the.
    * querer el oro y el moro = have + Posesivo + cake and eat it.
    * regla de oro = golden rule.
    * tener un corazón de oro = have + a heart of gold.
    * terminar con un broche de oro = end + Nombre + on a high (note).
    * todo lo que toca se convierte en oro = Midas touch, the.
    * valer el oro y el moro = cost + the earth, cost + an arm and a leg, cost + a pretty penny.
    * vellocino de oro, el = Golden Fleece, the.
    * yacimiento de oro = goldfield.
    * * *
    I
    adjetivo invariable gold
    II
    1) ( metal) gold

    andar cargado al oro — (Chi fam) to be loaded (colloq)

    guardar/tener algo como oro en polvo (AmL) or (Esp) en paño — to treasure something (as if it were gold (AmE) o (BrE) gold dust)

    prometer el oro y el moro — to promise the earth

    2) ( en naipes)
    * * *
    = gold.

    Ex: In a thesaurus on dentistry, for example, the term gold will be an NT under FILLING MATERIALS; it would make little sense to create a 'metals' or 'precious metals' hierarchy.

    * acabar con un broche de oro = end + Nombre + on a high (note).
    * adornado con pan de oro = gold-leafed.
    * aniversario de oro = golden anniversary.
    * bodas de oro = golden wedding.
    * buscador de oro = gold digger, gold prospector.
    * buscar oro = pan for + gold.
    * búsqueda de oro = gold digging.
    * corazón de oro = heart of gold.
    * costar el oro y el moro = cost + the earth, cost + an arm and a leg, cost + a pretty penny, cost + a fortune.
    * dar el oro y el moro = give + Posesivo + right arm.
    * dar todo el oro del mundo = give + Posesivo + right arm.
    * de oro macizo = solid-gold.
    * descubrir una mina de oro = strike + gold, hit + the jackpot.
    * edad de oro = golden age.
    * el tiempo es oro = time is money.
    * enchapado en oro = gold-plated.
    * en oro = gilt.
    * en pan de oro = gold-leafed.
    * estampado en oro = gold tooling, goldblocking, gilt-tooled.
    * fiebre del oro, la = gold rush, the.
    * impresión en oro = gold tooling.
    * lingote de oro = gold bar.
    * mina de oro = goldmine [gold mine], gold mine.
    * no ser oro todo lo que reluce = not + it's cracked up to be.
    * No todo lo que reluce es oro = All that glitters is not gold, Not all that is gold glitters.
    * oportunidad de oro = golden opportunity.
    * oro batido = gold leaf.
    * oro en lingotes = gold bullion.
    * pan de oro = gold leaf.
    * patrón oro, el = gold standard, the.
    * pepita de oro = nugget of gold.
    * pico de oro = gift of the (gob/gab), the.
    * querer el oro y el moro = have + Posesivo + cake and eat it.
    * regla de oro = golden rule.
    * tener un corazón de oro = have + a heart of gold.
    * terminar con un broche de oro = end + Nombre + on a high (note).
    * todo lo que toca se convierte en oro = Midas touch, the.
    * valer el oro y el moro = cost + the earth, cost + an arm and a leg, cost + a pretty penny.
    * vellocino de oro, el = Golden Fleece, the.
    * yacimiento de oro = goldfield.

    * * *
    oro1
    gold
    oro2
    A (metal) gold
    oro (de) 18 quilates 18-carat gold
    lingote/anillo de oro gold ingot/ring
    bañado en oro gold-plated
    reservas de oro gold reserves
    ¿80 pesos? ¡ni que fuera (de) oro! ¿80 pesos? what's it made of? solid gold or something?
    cabellos/rizos de oro ( liter); golden hair/curls ( liter)
    andar cargado al oro ( Chi fam); to have a lot of money on one ( colloq), to be flush ( colloq)
    guardar/tener algo como oro en polvo ( AmL) or ( Esp) en paño to treasure sth (as if it were gold ( AmE) o ( BrE) as if it were gold dust)
    hacerla de oro ( Chi fam): ahora si que la hiciste de oro ( iró); that was a really clever thing to do ( iro)
    ni por todo el oro del mundo not for all the tea in China ( colloq)
    prometer el oro y el moro to promise the earth
    valer (su peso en) oro to be worth one's weight in gold
    Compuestos:
    gold leaf
    white gold
    black gold
    old gold
    * * *

     

    Del verbo orar: ( conjugate orar)

    oro es:

    1ª persona singular (yo) presente indicativo

    oró es:

    3ª persona singular (él/ella/usted) pretérito indicativo

    Multiple Entries:
    orar    
    oro
    orar ( conjugate orar) verbo intransitivo (frml) (Relig) to pray
    oro adjetivo invariable
    gold
    ■ sustantivo masculino
    1 ( metal) gold;

    bañado en oro gold-plated;
    oro negro black gold;
    ni por todo el oro del mundo not for all the tea in China (colloq)
    2 ( en naipes)
    a) ( carta) any card of the

    ◊ oros suit

    b)

    ◊ oros sustantivo masculino plural ( palo) one of the suits in a Spanish pack of cards

    orar vi Rel to pray
    oro sustantivo masculino
    1 (metal) gold
    oro de ley, fine gold
    bañado/a en oro, gold-plated
    oro de 24 kilates, 24-carat gold
    una pulsera de oro, a golden bracelet
    2 (en la baraja española) oros, diamonds
    ♦ Locuciones: no es oro todo lo que reluce, all that glitters is not gold
    hacerse de oro, to become very rich
    prometer el oro y el moro, to promise the earth/the moon
    como los chorros del oro, as bright as a new pin
    ni por todo el oro del mundo, not for all the tea in China
    ' oro' also found in these entries:
    Spanish:
    bañar
    - boda
    - broche
    - buscador
    - buscadora
    - chapada
    - chapado
    - contender
    - delgada
    - delgado
    - descubrir
    - edad
    - gallina
    - ley
    - maciza
    - macizo
    - ni
    - orfebre
    - pan
    - pepita
    - pico
    - regla
    - relucir
    - reluciente
    - rubí
    - toisón
    - vellocino
    - bañado
    - barra
    - corazón
    - fiebre
    - legítimo
    - modalidad
    - podrido
    - quilate
    - regalar
    - sellar
    - sello
    English:
    bar
    - bullion
    - buttercup
    - cuff links
    - exorbitant
    - gift
    - gold
    - gold disc
    - gold dust
    - gold leaf
    - gold standard
    - gold-plated
    - golden
    - golden rule
    - golden wedding
    - hallmark
    - hoard
    - like
    - mine
    - missing
    - moneymaker
    - nugget
    - of
    - off
    - opportunity
    - out
    - overlay
    - prospect
    - prospector
    - real
    - rule
    - silence
    - strike
    - such
    - weight
    - carat
    - medalist
    - pan
    - plate
    - roll
    - rolled gold
    - sovereign
    - wedding
    * * *
    ♦ nm
    1. [metal] gold;
    un reloj de oro a gold watch;
    oro de 18 quilates 18-carat gold;
    Literario
    sus cabellos de oro her golden hair;
    Hum
    voy a guardar los oros [joyas de oro] I'm going to put away my gold jewellery;
    vestido de oro y negro all dressed up, dressed up to the nines;
    no lo haría ni por todo el oro del mundo I wouldn't do it for all the tea in China;
    guardar algo como oro en Esp [m5] paño o Am [m5] polvo to treasure sth;
    hacerse de oro to make one's fortune;
    no es oro todo lo que reluce all that glitters is not gold;
    Vulg
    oro del que cagó el moro [oro falso] fool's gold;
    [cosa de mala calidad] trash;
    pedir el oro y el moro to ask for the moon;
    prometer el oro y el moro to promise the earth;
    Am
    ser alguien oro en polvo to be an absolute treasure
    oro amarillo yellow gold;
    oro en barras bullion;
    oro batido gold leaf;
    oro blanco white gold;
    oro laminado rolled gold;
    oro de ley standard gold, pure o real gold;
    oro molido powdered gold;
    oro negro oil, black gold;
    oro en polvo gold dust;
    oro rojo red gold;
    oro viejo old gold
    2. Dep [medalla] gold;
    Kenia se llevó el oro Kenya won (the) gold
    3. [naipe] any card of the “oros” suit
    4.
    oros [palo] = suit in Spanish deck of cards, with the symbol of a gold coin
    5. [en escudo] or
    ♦ adj inv
    gold
    * * *
    m
    1 gold;
    de oro gold;
    no es oro todo lo que reluce all that glitters is not gold;
    guardar como oro en paño con mucho cariño treasure sth; con mucho cuidado guard sth with one’s life;
    prometer el oro y el moro promise the earth;
    hacerse de oro get rich
    2
    :
    oros en naipes: suit in Spanish deck of cards
    * * *
    oro nm
    : gold
    * * *
    oro n gold

    Spanish-English dictionary > oro

  • 48 Deville, Henri Etienne Sainte-Claire

    SUBJECT AREA: Metallurgy
    [br]
    b. 11 March 1818 St Thomas, Virgin Islands
    d. 1 July 1881 Boulogne-sur-Seine, France
    [br]
    French chemist and metallurgist, pioneer in the large-scale production of aluminium and other light metals.
    [br]
    Deville was the son of a prosperous shipowner with diplomatic duties in the Virgin Islands. With his elder brother Charles, who later became a distinguished physicist, he was sent to Paris to be educated. He took his degree in medicine in 1843, but before that he had shown an interest in chemistry, due particularly to the lectures of Thenard. Two years later, with Thenard's influence, he was appointed Professor of Chemistry at Besançon. In 1851 he was able to return to Paris as Professor at the Ecole Normale Supérieure. He remained there for the rest of his working life, greatly improving the standard of teaching, and his laboratory became one of the great research centres of Europe. His first chemical work had been in organic chemistry, but he then turned to inorganic chemistry, specifically to improve methods of producing the new and little-known metal aluminium. Essentially, the process consisted of forming sodium aluminium trichloride and reducing it with sodium to metallic aluminium. He obtained sodium in sufficient quantity by reducing sodium carbonate with carbon. In 1855 he exhibited specimens of the metal at the Paris Exhibition, and the same year Napoleon III asked to see them, with a view to using it for breastplates for the Army and for spoons and forks for State banquets. With the resulting government support, he set up a pilot plant at Jarvel to develop the process, and then set up a small company, the Société d'Aluminium at Nan terre. This raised the output of this attractive and useful metal, so it could be used more widely than for the jewellery to which it had hitherto been restricted. Large-scale applications, however, had to await the electrolytic process that began to supersede Deville's in the 1890s. Deville extended his sodium reduction method to produce silicon, boron and the light metals magnesium and titanium. His investigations into the metallurgy of platinum revolutionized the industry and led in 1872 to his being asked to make the platinum-iridium (90–10) alloy for the standard kilogram and metre. Deville later carried out important work in high-temperature chemistry. He grieved much at the death of his brother Charles in 1876, and his retirement was forced by declining health in 1880; he did not survive for long.
    [br]
    Bibliography
    Deville published influential books on aluminium and platinum; these and all his publications are listed in the bibliography in the standard biography by J.Gray, 1889, Henri Sainte-Claire Deville: sa vie et ses travaux, Paris.
    Further Reading
    M.Daumas, 1949, "Henri Sainte-Claire Deville et les débuts de l'industrie de l'aluminium", Rev.Hist.Sci 2:352–7.
    J.C.Chaston, 1981, "Henri Sainte-Claire Deville: his outstanding contributions to the chemistry of the platinum metals", Platinum Metals Review 25:121–8.
    LRD

    Biographical history of technology > Deville, Henri Etienne Sainte-Claire

  • 49 Rosenhain, Walter

    SUBJECT AREA: Metallurgy
    [br]
    b. 24 August 1875 Berlin, Germany
    d. 17 March 1934 Kingston Hill, Surrey, England
    [br]
    German metallurgist, first Superintendent of the Department of Metallurgy and Metallurgical Chemistry at the National Physical Laboratory, Teddington, Middlesex.
    [br]
    His family emigrated to Australia when he was 5 years old. He was educated at Wesley College, Melbourne, and attended Queen's College, University of Melbourne, graduating in physics and engineering in 1897. As an 1851 Exhibitioner he then spent three years at St John's College, Cambridge, under Sir Alfred Ewing, where he studied the microstructure of deformed metal crystals and abandoned his original intention of becoming a civil engineer. Rosenhain was the first to observe the slip-bands in metal crystals, and in the Bakerian Lecture delivered jointly by Ewing and Rosenhain to the Royal Society in 1899 it was shown that metals deformed plastically by a mechanism involving shear slip along individual crystal planes. From this conception modern ideas on the plasticity and recrystallization of metals rapidly developed. On leaving Cambridge, Rosenhain joined the Birmingham firm of Chance Brothers, where he worked for six years on optical glass and lighthouse-lens systems. A book, Glass Manufacture, written in 1908, derives from this period, during which he continued his metallurgical researches in the evenings in his home laboratory and published several papers on his work.
    In 1906 Rosenhain was appointed Head of the Metallurgical Department of the National Physical Laboratory (NPL), and in 1908 he became the first Superintendent of the new Department of Metallurgy and Metallurgical Chemistry. Many of the techniques he introduced at Teddington were described in his Introduction to Physical Metallurgy, published in 1914. At the outbreak of the First World War, Rosenhain was asked to undertake work in his department on the manufacture of optical glass. This soon made it possible to manufacture optical glass of high quality on an industrial scale in Britain. Much valuable work on refractory materials stemmed from this venture. Rosenhain's early years at the NPL were, however, inseparably linked with his work on light alloys, which between 1912 and the end of the war involved virtually all of the metallurgical staff of the laboratory. The most important end product was the well-known "Y" Alloy (4% copper, 2% nickel and 1.5% magnesium) extensively used for the pistons and cylinder heads of aircraft engines. It was the prototype of the RR series of alloys jointly developed by Rolls Royce and High Duty Alloys. An improved zinc-based die-casting alloy devised by Rosenhain was also used during the war on a large scale for the production of shell fuses.
    After the First World War, much attention was devoted to beryllium, which because of its strength, lightness, and stiffness would, it was hoped, become the airframe material of the future. It remained, however, too brittle for practical use. Other investigations dealt with impurities in copper, gases in aluminium alloys, dental alloys, and the constitution of alloys. During this period, Rosenhain's laboratory became internationally known as a centre of excellence for the determination of accurate equilibrium diagrams.
    [br]
    Principal Honours and Distinctions
    FRS 1913. President, Institute of Metals 1828–30. Iron and Steel Institute Bessemer Medal, Carnegie Medal.
    Bibliography
    1908, Glass Manufacture.
    1914, An Introduction to the Study of Physical Metallurgy, London: Constable. Rosenhain published over 100 research papers.
    Further Reading
    J.L.Haughton, 1934, "The work of Walter Rosenhain", Journal of the Institute of Metals 55(2):17–32.
    ASD

    Biographical history of technology > Rosenhain, Walter

  • 50 Morrison, William Murray

    [br]
    b. 7 October 1873 Birchwood, Inverness-shire, Scotland
    d. 21 May 1948 London, England
    [br]
    Scottish pioneer in the development of the British aluminium industry and Highlands hydroelectric energy.
    [br]
    After studying at the West of Scotland Technical College in Glasgow, in January 1895 Morrison was appointed Engineer to the newly formed British Aluminium Company Limited (BAC); it was with this organization that he spent his entire career. The company secured the patent rights to the Héroult and Bayer processes. It constructed a 200 tonne per year electrolytic plant at Foyers on the shore of Loch Ness, together with an adjacent 5000 kW hydroelectric scheme, and it built an alumina factory at Larne Harbour in north-eastern Ireland. Morrison was soon Manager at Foyers, and he became the company's Joint Technical Adviser. In 1910 he was made General Manager, and later he was appointed Managing Director. Morrison successfully brought about improvements in all parts of the production process; between 1915 and 1930 he increased the size of individual electrolytic cells by a factor of five, from 8,000 to 40,000 amperes. Soon after 1901, BAC built a second works for electrolytic reduction, at Kinlochleven in Argyllshire, where the primary design originated from Morrison. In the 1920s a third plant was erected at Fort William, in the lee of Ben Nevis, with hydroelectric generators providing some 75 MW. Alumina factories were constructed at Burntisland on the Firth of Forth and, in the 1930s, at Newport in Monmouthshire. Rolling mills were developed at Milton in Staffordshire, Warrington, and Falkirk in Stirlingshire, this last coming into use in the 1940s, by which time the company had a primary-metal output of more than 30,000 tonnes a year. Morrison was closely involved in all of these developments. He retired in 1946 as Deputy Chairman of BAC.
    [br]
    Principal Honours and Distinctions
    Commander of the Order of St Olav of Norway 1933 (BAC had manufacturing interests in Norway). Knighted 1943. Vice-Chairman, British Non-Ferrous Metals Research Association, Faraday Society, Institute of Metals. Institute of Metals Platinum Medal 1942.
    Bibliography
    1939, "Aluminium and highland water power", Journal of the Institute of Metals 65:17– 36 (seventeenth autumn lecture),
    JKA

    Biographical history of technology > Morrison, William Murray

  • 51 orfebrería

    f.
    goldsmithery, silversmithing.
    * * *
    1 (en oro) gold work; (en plata) silver work
    * * *
    SF
    1) (=oficio) silversmithing, goldsmithing, craftsmanship in precious metals
    2) (=objetos) [de oro] gold articles pl ; [de plata] silverware
    * * *
    femenino ( oficio) goldsmithing/silversmithing, working of precious metals; ( artículos) gold/silver articles (pl)
    * * *
    Ex. The author discusses the evolution of silver letter openers designed by Georg Jensen silversmiths 1904-1994.
    * * *
    femenino ( oficio) goldsmithing/silversmithing, working of precious metals; ( artículos) gold/silver articles (pl)
    * * *

    Ex: The author discusses the evolution of silver letter openers designed by Georg Jensen silversmiths 1904-1994.

    * * *
    1 (oficio) goldsmithing/silversmithing, working of precious metals
    2 (artículos) gold/silver articles (pl)
    * * *

    orfebrería sustantivo femenino gold o silver work
    * * *
    1. [objetos] [de plata] silver work;
    [de oro] gold work
    2. [oficio] [de plata] silversmithing;
    [de oro] goldsmithing
    * * *
    f goldsmith/silversmith work
    * * *
    : articles of gold or silver

    Spanish-English dictionary > orfebrería

  • 52 Junghans, Siegfried

    SUBJECT AREA: Metallurgy
    [br]
    b. 1887
    d. 1954
    [br]
    German pioneer of the continuous casting of metals.
    [br]
    Junghans was of the family that owned Gebrüder Junghans, one of the largest firms in the German watch-and clockmaking industry. From 1906 to 1918 he served in the German Army, after which he took a course in metallurgy and analytical chemistry at the Technical High School in Stuttgart. Junghans was then given control of the brassworks owned by his family. He wanted to make castings simply and cheaply, but he found that he lacked the normal foundry equipment. By 1927, formulating his ideas on continuous casting, he had conceived a way of overcoming this deficiency and began experiments. By the time the firm was taken over by Wieland-Werke AG in 1931, Junghans had achieved positive results. A test plant was erected in 1932, and commercial production of continuously cast metal followed the year after. Wieland told Junghans that a brassfounder who had come up through the trade would never have hit on the idea: it took an outsider like Junghans to do it. He was made Technical Director of Wielands but left in 1935 to work privately on the development of continuous casting for all metals. He was able to license the process for non-ferrous metals during 1936–9 in Germany and other countries, but the Second World War interrupted his work; however, the German government supported him and a production plant was built. In 1948 he was able to resume work on the continuous casting of steel, which he had been considering since 1936. He pushed on in spite of financial difficulties and produced the first steel by this process at Schorndorf in March 1949. From 1950 he made agreements with four firms to work towards the pilot plant stage, and this was achieved in 1954 at Mannesmann's Huckingen works. The aim of continuous casting is to bypass the conventional processes of casting molten steel into ingots, reheating the ingots and shaping them by rolling them in a large mill. Essentially, in continuous casting, molten steel is drawn through the bottom of a ladle and down through a water-cooled copper mould. The unique feature of Junghans's process was the vertically reciprocating mould, which prevented the molten metal sticking as it passed through. A continuous length of steel is taken off and cooled until it is completely solidified into the required shape. The idea of continuous casting can be traced back to Bessemer, and although others tried to apply it later, they did not have any success. It was Junghans who, more than anybody, made the process a reality.
    [br]
    Further Reading
    K.Sperth and A.Bungeroth, 1953, "The Junghans method of continuous casting of steel", Metal Treatment and Drop Forging, Mayn.
    J.Jewkes et al., 1969, The Sources of Invention, 2nd edn, London: Macmillan, pp. 287 ff.
    LRD

    Biographical history of technology > Junghans, Siegfried

  • 53 Wöhler, August

    SUBJECT AREA: Metallurgy
    [br]
    b. 22 June 1819 Soltau, Germany
    d. 21 June 1914 Hannover, Germany
    [br]
    German railway engineer who first established the fatigue fracture of metals.
    [br]
    Wöhler, the son of a schoolteacher, was born at Soltau on the Luneburg Heath and received his early education at his father's school, where his mathematical abilities soon became apparent. He completed his studies at the Technical High School, Hannover.
    In 1840 he obtained a position at the Borsig Engineering Works in Berlin and acquired there much valuable experience in railway technology. He trained as an engine driver in Belgium and in 1843 was appointed as an engineer to the first Hannoverian Railway, then being constructed between Hannover and Lehrte. In 1847 he became Chief Superintendent of rolling stock on the Lower Silesian-Brandenhurg Railway, where his technical abilities influenced the Prussian Minister of Commerce to appoint him to a commission set up to investigate the reasons for the unusually high incidence of axle failures then being encountered on the railways. This was in 1852, and by 1854, when the Brandenburg line had been nationalized, Wöhler had already embarked on the long, systematic programme of mechanical testing which eventually provided him with a clear insight into the process of what is now referred to as "fatigue failure". He concentrated initially on the behaviour of machined iron and steel specimens subjected to fluctuating direct, bending and torsional stresses that were imposed by testing machines of his own design.
    Although Wöhler was not the first investigator in this area, he was the first to recognize the state of "fatigue" induced in metals by the repeated application of cycles of stress at levels well below those that would cause immediate failure. His method of plotting the fatigue stress amplitude "S" against the number of stress cycles necessary to cause failure "N" yielded the well-known S-N curve which described very precisely the susceptibility to fatigue failure of the material concerned. Engineers were thus provided with an invaluable testing technique that is still widely used in the 1990s.
    Between 1851 and 1898 Wöhler published forty-two papers in German technical journals, although the importance of his work was not initially fully appreciated in other countries. A display of some of his fracture fatigue specimens at the Paris Exposition in 1867, however, stimulated a short review of his work in Engineering in London. Four years later, in 1871, Engineering published a series of nine articles which described Wöhler's findings in considerable detail and brought them to the attention of engineers. Wöhler became a member of the newly created management board of the Imperial German Railways in 1874, an appointment that he retained until 1889. He is also remembered for his derivation in 1855 of a formula for calculating the deflections under load of lattice girders, plate girders, and other continuous beams resting on more than two supports. This "Three Moments" theorem appeared two years before Clapeyron independently advanced the same expression. Wöhler's other major contribution to bridge design was to use rollers at one end to allow for thermal expansion and contraction.
    [br]
    Bibliography
    1855, "Theorie rechteckiger eiserner Brückenbalken", Zeitschrift für Bauwesen 5:122–66. 1870, "Über die Festigkeitversuche mit Eisen und Stahl", Zeitschrift für Bauwesen 20:73– 106.
    Wöhler's experiments on the fatigue of metals were reported in Engineering (1867) 2:160; (1871) 11:199–200, 222, 243–4, 261, 299–300, 326–7, 349–50, 397, 439–41.
    Further Reading
    R.Blaum, 1918, "August Wöhler", Beiträge zur Geschichte der Technik und Industrie 8:35–55.
    ——1925, "August Wöhler", Deutsches biographisches Jahrbuch, Vol. I, Stuttgart, pp. 103–7.
    K.Pearson, 1890, "On Wöhler's experiments on alternating stress", Messeng. Math.
    20:21–37.
    J.Gilchrist, 1900, "On Wöhler's Laws", Engineer 90:203–4.
    ASD

    Biographical history of technology > Wöhler, August

  • 54 с

    1. (заедно с) with, and
    мляко с кафе coffee with milk, white coffee
    хляб с масло bread and butter
    2. (свързване, съединение) with
    свързвам се с някого get in touch with s.o., contact s.o.
    3. (оръдие, средство) with, by
    режа с нож cut with a knife
    пиша с перо write with a pen
    с кола/автобус/влак by car/bus/train
    чета с очила read through spectacles
    гледам с бинокъл look through field-glasses
    4. (материя, с която се работи) in
    пиша с молив/мастило write in pencil/ink
    заменям нещо с нещо replace s.th. by s.th.
    пълен с full of
    ваза с цветя a vase of flowers
    (облечен, обут с) in
    човек с бяла коса a man with white hair, a white-haired man
    с приятни обноски with pleasant manners
    с шапка/палто/престилка in a hat/coat/apron
    с шапка в ръка hat in hand, with o/s hat in o.'s hand
    човек с голям опит/весел нрав/вид на чужденец a man of great experience/a cheerful disposition/foreign appearance
    слушам с внимание listen with attention
    с глух глас in a toneless voice
    със сила by force
    с всичка сила with all o.'s might
    с цената на at the cost of
    10. (спрямо, по отношение на) to, towards
    любезен/груб с polite/rude to
    как сте с квартирата/парите? how are you fixed for a flat/money?
    с парите сме зле we're badly off for money
    11. (против) against
    боря се с бедността struggle against poverty
    12. (за време-продължителност, едновременност) for
    с часове наред for hours on end
    със състаряването/с годините with age, as one grows old
    13. (за разлика в количество/брой, сравнение) by
    с едни метър по-дълъг longer by one metre, a metre longer
    с един ден по-рано a day early/too soon
    закъснях с 10 минути I was 10 minutes late/too late by ten minutes
    с един тон по-високо/по-ниско a tone higher/lower
    в сравнение с in comparison with, compared with
    14. (обект на дейност/отношение) гордея се с be proud of
    бързам с hurry with
    вж. съответните глаголи, глупак с глупак! you silly fool! глупака му с глупак! the silly fool! ти пък с тия/твоите котки you and your cats! с поздрав (на края на писмо) best regards
    с уважете respectfully yours
    с намерение да with the intention of (c ger.)
    с желание да wishing to (c inf.)
    картофи с чували sacks and sacks of potatoes
    * * *
    с,
    предл.
    1. ( заедно с) with, and; мляко \с кафе coffee with milk, white coffee; ние \с тебе you and I; хляб \с масло bread and butter;
    2. ( свързване, съединение) with; свързвам се \с някого get in touch with s.o., contact s.o.;
    3. ( оръдие, средство) with, by; гледам \с бинокъл look through field-glasses; качвам се \с асансьор ride/go up in a lift; режа \с нож cut with a knife; \с кола/автобус/влак by car/bus/train; хващам \с мрежа catch in a net;
    4. ( материя, с която се работи) in; пиша \с молив/мастило write in pencil/ink; работя \с метали work in metals; търгувам \с жито deal in wheat;
    5. ( заменяне) by; заменям нещо \с нещо replace s.th. by s.th.;
    6. ( съдържание) of; ваза \с цветя a vase of flowers; пълен \с full of;
    7. (за външни белези) with; ( облечен, обут с) in; \с шапка (не гологлав) with o.’s hat on; \с шапка в ръка hat in hand, with o.’s hat in o.’s hand; \с шапка/палто/престилка in a hat/coat/apron; човек \с бяла коса a man with white hair, a white-haired man;
    8. (за вътрешни белези) of; ( вътрешно състояние) in; \с повишено настроение in high spirits; човек \с голям опит/весел нрав/вид на чужденец a man of great experience/ a cheerful disposition/foreign appearance;
    9. ( начин на действие) with; \с всичка сила with all o.’s might; \с главата напред head foremost; \с глас aloud; \с глух глас in a toneless voice; \с един удар at one blow; \с една дума in a word; \с цената на at the cost of; слушам \с внимание listen with attention; със сила by force; улучвам \с първия изстрел hit at the first shot;
    10. ( спрямо, по отношение на) to, towards; как сте със здравето? how is your health? любезен/груб \с polite/rude to; \с парите сме зле we’re badly off for money;
    11. ( против) against; боря се \с бедността struggle against poverty;
    12. (за време ­ продължителност, едновременност) for; \с пристигането on arriving; \с часове наред for hours on end; ( малко след) on; със състаряването/\с годините with age, as one grows old;
    13. (за разлика в количество/ брой; сравнение) by; в сравнение \с in comparison with, compared with; закъснях \с 10 минути I was 10 minutes late/too late by ten minutes; \с един ден по-рано a day early/too soon; \с един метър по-дълъг longer by one metre, a metre longer; \с един тон по-високо/по-ниско a tone higher/lower;
    14. ( обект на дейност/ отношение): гордея се \с be proud of; подигравам се \с make fun of; • глупак \с глупак! you silly full! глупака му \с глупак! the silly fool! \с време ( своевременно) in good time; \с желание да wishing to (c inf.); \с най-добри пожелания (with) best wishes; \с намерение да with the intention of (c ger.); \с поздрав (на края на писмо) best regards; \с уважение respectfully yours; ти пък \с тия/твоите котки you and your cats!
    * * *
    1. (вътрешно състояние) in 2. (за външни белези) with 3. (за вътрешни белези) of 4. (заменяне) by 5. (малко след) on 6. (материя, с която се работи) in 7. (начин на действие) with 8. (облечен, обут с) in 9. (оръдие, средство) with, by 10. (свързване, съединение) with 11. (спрямо, по отношение на) to, towards 12. (съдържание) of 13.,със (заедно с) with, and 14. 1 (за време- продължителност, едновременност) for 15. 1 (за разлика в количество/брой 16. 1 (обект на дейност/отношение) гордея се с be proud of 17. 1 (против) against 18. 14 минути I was 19. 15 minutes late/too late by ten minutes 20. c време (своевременно) in good time 21. боря се с бедността struggle against poverty 22. бързам с hurry with 23. в сравнение с in comparison with, compared with 24. ваза с цветя a vase of flowers 25. вж. съответните глаголи, глупак с глупак! you silly fool! глупака му с глупак! the silly fool! ти пък с тия/твоите котки you and your cats! c поздрав (на края на писмо) best regards 26. гледам с бинокъл look through field-glasses 27. движа се с пара go by steam 28. закъснявам с be late with 29. закъснях с 30. заменям нещо с нещо replace s.th. by s.th. 31. как сте с квартирата/ парите? how are you fixed for a flat/money? 32. как сте със здравето? how is your health? 33. картофи с чували sacks and sacks of potatoes 34. качвам се с асансьор ride/go up in a lift 35. любезен/груб с polite/rude to 36. мляко с кафе coffee with milk, white coffee 37. ние с тебе you and I 38. пиша с молив/мастило write in pencil/ink 39. пиша с перо write with a pen 40. подигравам се с make fun of 41. пълен с full of 42. пътувам с влак travel by train 43. работя с метали work in metals 44. режа с нож cut with a knife 45. с всичка сила with all o.'s might 46. с главата напред head foremost 47. с глас aloud 48. с глух глас in a toneless voice 49. с един ден по-рано а day early/too soon 50. с един тон пo-високо/ по-ниско а tone higher/lower 51. с един удар at one blow 52. с една дума in a word 53. с едни метър по-дълъг longer by one metre, a metre longer 54. с желание да wishing to (c inf.) 55. с кола/ автобус/влак by car/bus/train 56. с най-добри пожелания (with) best wishes 57. с намерение да with the intention of (c ger.) 58. с настъпването на пролетта with the coming of spring 59. с парите сме зле we're badly off for money 60. с повишено настроение in high spirits 61. с пристигането on arriving 62. с приятни обноски with pleasant manners 63. с уважете respectfully yours 64. с цената на at the cost of 65. с часове наред for hours on end 66. с шапка (не гологлав) with o.'s hat on 67. с шапка в ръка hat in hand, with o/s hat in o.'s hand 68. с шапка/палто/престилка in a hat/coat/apron 69. свързвам се с някого get in touch with s.o., contact s.o. 70. слушам с внимание listen with attention 71. сляп с едното око blind in one eye 72. сравнение) by 73. със сила by force 74. със стотици килограми hundreds of kilograms (of) 75. със състаряването/с годините with age, as one grows old 76. търгувам с жито deal in wheat 77. улучвам с първия изстрел hit at the first shot 78. хващам с мрежа catch in a net 79. хляб с масло bread and butter 80. чета с очила read through spectacles 81. човек с бяла коса а man with white hair, a white-haired man 82. човек с голям опит/весел нрав/вид на чужденец a man of great experience/a cheerful disposition/foreign appearance

    Български-английски речник > с

  • 55 сливам

    fuse, combine, unite, blend, merge, amalgamate, coalesce
    сливам метали fuse metals
    сливам думи run together/slur words
    сливам се fuse, combine, unite (с with)
    (за река) join (с with)
    (за реки) flow together, join
    (за организации, раси и пр.) amalgamate, merge
    (за цветове, звукове и пр.) blend, merge
    сливам е се ведно become one
    сливам се с фона си melt into the background
    сливам се с тълпа melt into a crowd
    * * *
    слѝвам,
    гл. fuse, combine, unite, blend, merge, amalgamate, coalesce; \сливам думи run together/slur words; \сливам метали fuse metals;
    \сливам се fuse, combine, unite (c with); (за река) join (c with); (за реки) flow together, join; (за организации, раси и пр.) amalgamate, merge; (за партии и) coalesce; (за цветове, звукове и пр.) blend, merge; \сливам се с тълпа melt into a crowd; \сливам се с фона си melt into the background; сливаме се ведно become one.
    * * *
    merge (се за реки, пътища и пр.); coalesce (се); interflow ; fuse {fyu;z}: сливам metals - сливам метали; slur (думи при говорене); join: сливам enterprises - сливам предприятия
    * * *
    1. (за организации, раси и пр.) amalgamate, merge 2. (за партии и) coalesce 3. (за река) join (c with) 4. (за реки) flow together, join 5. (за цветове, звукове и пр.) blend, merge 6. fuse, combine, unite, blend, merge, amalgamate, coalesce 7. СЛИВАМ ce fuse, combine, unite (c with) 8. СЛИВАМ думи run together/slur words 9. СЛИВАМ е се ведно become one 10. СЛИВАМ метали fuse metals 11. СЛИВАМ се с тълпа melt into a crowd 12. СЛИВАМ се с фона си melt into the background

    Български-английски речник > сливам

  • 56 Boulsover, Thomas

    [br]
    b. 1704
    d. 1788
    [br]
    English cutler, metalworker and inventor of Sheffield plate.
    [br]
    Boulsover, originally a small-scale manufacturer of cutlery, is believed to have specialized in making knife-handle components. About 1742 he found that a thin sheet of silver could be fused to copper sheet by rolling or beating to flatten it. Thus he developed the plating of silver, later called Sheffield plate.
    The method when perfected consisted of copper sheet overlaid by thin sheet silver being annealed by red heat. Protected by iron sheeting, the copper and silver were rolled together, becoming fused to a single plate capable of undergoing further manufacturing processes. Later developments included methods of edging the fused sheets and the placing of silver sheet on both lower and upper surfaces of copper, to produce high-quality silver plate, in much demand by the latter part of the century. Boulsover himself is said to have produced only small articles such as buttons and snuff boxes from this material, which by 1758 was being exploited more commercially by Joseph Hancock in Sheffield making candlesticks, hot-water pots and coffee pots. Matthew Boulton introduced its manufacture in very high-quality products during the 1760s to Birmingham, where the technique was widely adopted later. By the 1770s Boulsover was engaged in rolling his plated copper for industry elsewhere, also trading in iron and purchasing blister steel which he converted by the Huntsman process to crucible steel. Blister steel was converted on his behalf to shear steel by forging. He is thought to have also been responsible for improving this product further, introducing "double-shear steel", by repeating the forging and faggoting of shear steel bars. Thomas Boulsover had become a Sheffield entrepreneur, well known for his numerous skills with metals.
    [br]
    Further Reading
    H.W.Dickinson, 1937, Matthew Boulton, Cambridge: Cambridge University Press (describes Boulsover's innovation and further development of Sheffield plate).
    J.Holland, 1834, Manufactures in Metal III, 354–8.
    For activities in steel see: K.C.Barraclough, 1991, "Steel in the Industrial Revolution", in J.Day and R.F.Tylecote (eds), The Industrial Revolution in Metals, The Institute of Metals.
    JD

    Biographical history of technology > Boulsover, Thomas

  • 57 πυρόω

    πυρόω fut. πυρώσω LXX; 1 aor. ἐπύρωσα LXX. Pass.: 1 aor. ἐπυρώθην; pf. ptc. πεπυρωμένος (Pind. et al.; ins, LXX, Philo) prim. as act. ‘burn someth. with fire’, in our lit. only pass. (Ps.-Pla., Axioch. 372a of torments in Tartarus; Philo).
    ① to cause to be on fire, burn
    ⓐ lit., of the fiery end of the world οὐρανοὶ πυρούμενοι λυθήσονται the heavens will be set ablaze and dissolved 2 Pt 3:12. In imagery τὰ βέλη τὰ πεπυρωμένα (s. βέλος) Eph 6:16 (s. Cicero, Tusc. Disp. 5, 27, 76).
    ⓑ fig. (act. Cornutus 25 p. 47, 11 πυροῦν τ. ψυχάς; pass., Horapollo 1, 22 ἡ καρδία πυροῦται) burn, be inflamed w. sympathy, readiness to aid, or indignation 2 Cor 11:29 (cp. 2 Macc 4:38; 10:35; 14:45; 3 Macc 4:2; Philo, Leg. All. 1, 84 πεπύρωται ἐν εὐχαριστίᾳ θεοῦ. So prob. also the Jewish-Gk. ins fr. Tell el Yehudieh ed. Ltzm. [ZNW 22, 1923, 282] 18, 5 πατὴρ καὶ μήτηρ οἱ πυρώμενοι=‘father and mother, who are burning w. grief’; cp. Sb 6646; 6659; Ltzm. thinks of the burning of the dead and refers to 20, 4, but there the act. is used); burn with sexual desire 1 Cor 7:9 (on the topic cp.Hos 7:4; Sir 23:17; for poetic expression of ardent desire s. Anacreontea 11, 15 Preis.: Ἔρως εὐθέως με πύρωσον; cp. Sappho Fgm. 36 and 48; a common theme in magical pap, e.g. PGM 4, 2931 βάλε πυρσὸν ἔρωτα; 36, 111; 200 πυρουμένη; PBerlin 9909, 48; cp. Plut., Mor. 138f; 752d; 753a et al.—SGordon, ET 21, 1910, 478f).
    ② to cause to be very hot, make red hot, cause to glow, heat thoroughly (Lucian, Alex. 21 βελόνην) of metals πεπυρωμένον σίδηρον APt 13:28. By such heating precious metals are tested and refined (Job 22:25; Ps 11:7; 65:10; Pr 10:20) Rv 1:15 (πεπυρωμένης is one of the linguistic peculiarities of Rv [s. καὶ ἔχων which follows soon thereafter]. All the variant readings [-μένῳ,-μένοι] here are simply efforts at improvement; on Aramaic connection s. Mussies 98f. FRehkopf, JJeremias Festschr. ’70, 214–19); 3:18; MPol 15:2.—Hv 4, 3, 4 makes a comparison betw. the refining influence of fire on metals and the effect that fiery trials have in removing impurities from Christians.—DELG s.v. πύρ. M-M. TW.

    Ελληνικά-Αγγλικά παλαιοχριστιανική Λογοτεχνία > πυρόω

  • 58 material de empaste

    Ex. In a thesaurus on dentistry, for example, the term GOLD will be an NT under filling materials; it would make little sense to create a 'metals' or 'precious metals' hierarchy.
    * * *

    Ex: In a thesaurus on dentistry, for example, the term GOLD will be an NT under filling materials; it would make little sense to create a 'metals' or 'precious metals' hierarchy.

    Spanish-English dictionary > material de empaste

  • 59 metal precioso

    m.
    precious metal.
    * * *
    precious metal
    * * *
    Ex. In a thesaurus on dentistry, for example, the term GOLD will be an NT under FILLING MATERIALS; it would make little sense to create a 'metals' or 'precious metals' hierarchy.
    * * *

    Ex: In a thesaurus on dentistry, for example, the term GOLD will be an NT under FILLING MATERIALS; it would make little sense to create a 'metals' or 'precious metals' hierarchy.

    * * *
    precious metal

    Spanish-English dictionary > metal precioso

  • 60 no ferroso

    (adj.) = non-ferrous [nonferrous]
    Ex. Common non-ferrous metals, such as lead and tin, and rarer metals, such as titanium and tungsten, are amongst the twenty minerals included.
    * * *
    (adj.) = non-ferrous [nonferrous]

    Ex: Common non-ferrous metals, such as lead and tin, and rarer metals, such as titanium and tungsten, are amongst the twenty minerals included.

    Spanish-English dictionary > no ferroso

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