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1 одинаковый
•End flanges should be equal in width.
•The crystals were of uniforthickness.
•Equal volumes of gases and vapours under the same conditions of... contain identical numbers of molecules.
•Electrons are identical in charge.
Русско-английский научно-технический словарь переводчика > одинаковый
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2 Rosenhain, Walter
SUBJECT AREA: Metallurgy[br]b. 24 August 1875 Berlin, Germanyd. 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 DistinctionsFRS 1913. President, Institute of Metals 1828–30. Iron and Steel Institute Bessemer Medal, Carnegie Medal.Bibliography1908, Glass Manufacture.1914, An Introduction to the Study of Physical Metallurgy, London: Constable. Rosenhain published over 100 research papers.Further ReadingJ.L.Haughton, 1934, "The work of Walter Rosenhain", Journal of the Institute of Metals 55(2):17–32.ASD -
3 feu
I.feu1 [fø]━━━━━━━━━3. compounds━━━━━━━━━1. <a. ( = flammes, incendie) fire• au feu ! fire!• vous avez du feu ? have you got a light?► à petit feu [cuire] gentlyd. ( = sensation de brûlure) j'ai le feu aux joues my cheeks are burninge. ( = ardeur) dans le feu de la discussion in the heat of the discussionf. ( = tir) fire• feu ! fire!g. ( = signal lumineux) lighth. ( = éclairage) light• pleins feux sur... spotlight on...2. <3. <II.feu2, eadjective* * *
I
feue fø adjectif latefeu la reine, la feue reine — the late queen
II
1.
pl feux fø adjectif invariable(de couleur) feu — flame-coloured [BrE]
2.
nom masculin1) (combustion, incendie) firemise à feu — ( de fusée) blast-off
au coin du feu — [s'asseoir, bavarder] by the fire; [causerie, rêverie] fireside (épith); huile, marron
2) ( lumière) lightsous le feu des projecteurs — lit under the glare of the spotlights; fig in the spotlight
3) ( éclat)briller de mille feux — [chandelier, diamant] to sparkle brilliantly
4) Automobile, Aviation, Nautisme ( signal) light5) ( à un carrefour) traffic lightfeu orange — amber GB ou yellow US light
7) (allumettes, briquet)8) ( sensation de brûlure)elle avait les joues en feu — her cheeks were burning ou on fire
9) ( enthousiasme) passion10) ( tir)le coup de feu de midi — ( dans un restaurant) the lunchtime rush
être pris entre deux feux — lit, fig to be caught in the crossfire
11) ( combat) action12) (colloq) ( pistolet) gun•Phrasal Verbs:••il n'y a pas le feu! — (colloq) there's no rush!
faire long feu — [projectile, projet] to misfire
ne pas faire long feu — (colloq) not to last long
il n'y a vu que du feu — (colloq) he fell for it
avoir le feu au derrière (colloq) or aux fesses — (colloq) ( être pressé) to be in a rush
* * *fø feux pl1. nm1) (l'un des éléments) firemettre le feu à — to set fire to, to set on fire
2) (incendie) fire3) (dans un foyer, une cheminée)Ils ont allumé un feu dans la cheminée. — They lit a fire in the fireplace.
4) (= signal) light5) [cuisinière] ringà petit feu CUISINE — over a gentle heat, figslowly
6) (= sensation de brûlure) burning sensation7) MILITAIRE (= tirs) firemettre à feu [fusée] — to fire off
être tout feu tout flamme (passion) — to be aflame with passion, (enthousiasme) to be fired with enthusiasm
2. feux nmpl1) AUTOMOBILES (sur un véhicule) lightsN'oubliez pas d'allumer vos feux. — Don't forget to put your lights on.
feux de croisement — dipped headlights Grande-Bretagne dimmed headlights USA
feux de route — headlights on full beam Grande-Bretagne headlights on high beam USA
tous feux éteints NAVIGATION, AUTOMOBILES — without lights
2) (de signalisation routière) lights, traffic lightsTournez à gauche aux feux. — Turn left at the lights.
3) litles feux de... — the lights of...
On voyait briller les feux de la ville. — We could see the city lights shining.
* * *I.B nm1 (combustion, incendie) fire; feu de bois/brousse/forêt wood/bush/forest fire; feu de braises glowing embers (pl); en feu on fire; au feu! fire!; j'ai entendu (quelqu'un) crier au feu I heard someone shout ‘fire!’; il y a le feu à l'étable the cowshed is on fire; il y a eu le feu chez elle she's had a fire; allumer un feu to light a fire; faire un or du feu to make a fire; prendre feu to catch fire; le feu a pris au sous-sol the fire started in the basement; le feu a pris/ne prend pas the fire is lit/won't light; mettre le feu à to set fire to; mettre or jeter qch au feu to throw sth on the fire; mise à feu ( de fusée) blast-off; au coin du feu [s'asseoir, bavarder] by the fire; [causerie, rêverie] fireside ( épith);2 ( lumière) light; les feux de la ville the lights of the city; les feux de la rampe the footlights; sous le feu des projecteurs lit under the glare of the spotlights; fig in the spotlight; pleins feux sur… the spotlight is on…;3 ( éclat) briller de mille feux [chandelier, diamant] to sparkle brilliantly; les feux du couchant the fiery glow of the setting sun;5 ( à un carrefour) traffic light; feu vert/rouge green/red light; feu orange amber GB ou yellow US light; prenez à droite au feu (rouge) turn right at the (traffic) lights; le feu est au vert the lights are green; avoir/recevoir le feu vert de qn fig to have/get the green light ou the go-ahead from sb; donner son feu vert à qn fig to give sb the go-ahead;6 Culin ( de cuisinière) ring GB, burner US; ( chaleur) heat; faire cuire à feu vif/moyen cook over a high/medium heat; faire cuire à petit feu or à feu doux cook over a gentle heat; retirez du feu au bout de 15 minutes remove from the heat after 15 minutes; j'ai oublié la soupe sur le feu I've left the soup on the stove; attends, j'ai quelque chose sur le feu just a minute, I've got something cooking;7 ( allumette) avez-vous du feu? have you got a light?;8 ( sensation de brûlure) épice qui met la bouche en feu spice that burns your mouth; elle avait les joues en feu her cheeks were burning ou on fire; pour apaiser le feu du rasoir to soothe shaving burn;9 ( enthousiasme) passion; avec feu [parler, défendre] with passion; être plein de feu [personne] to be full of fire; avoir un tempérament de feu to have a fiery temperament; dans le feu de la discussion/de l'action in the heat of the discussion/of the moment; ⇒ action;10 ( tir) feu! Mil fire!; feu nourri sustained fire; faire feu to fire (sur at); ouvrir le feu to open fire (sur on); sous le feu de l'ennemi under enemy fire; coup de feu shot; des coups de feu ont été tirés shots were fired; essuyer des coups de feu to be shot at; tirer un coup de feu to shoot into the air; échange de coups de feu shooting incident; le coup de feu de midi fig ( dans un restaurant) the lunchtime rush; être pris entre deux feux lit, fig to be caught in the crossfire; sous les feux croisés de X et de Y lit, fig under the crossfire of X and Y; un feu roulant de critiques a torrent of criticism;11 ( combat) action; aller au feu to go into action ; envoyer qn au feu to send sb into action; baptême du feu baptism of fire;12 †( foyer) un village de 30 feux a village of some 30 dwellings;13 ○( pistolet) shooter○, piece○ US, gun.feu arrière rear light GB, tail light US; feu d'artifice ( spectacle) fireworks display; ( un seul) firework; tirer un feu d'artifice ( un seul) to let off a firework; ( plusieurs) to have fireworks; feu bactérien fire blight; feu de Bengale Bengal light; feu de brouillard fog-light; feu de camp campfire; feu de cheminée chimney fire; feu clignotant indicator GB, blinker US; feu de croisement dipped GB ou dimmed US headlight; feu d'encombrement marker lamp ou light; feu follet will-o'-the-wisp; feu de gabarit = feu d'encombrement; feu de joie bonfire; feu de marche arrière = feu de recul; feu de paille flash in the pan; feu de recul reversing GB ou backup US light; feu de route main-beam headlight; passer or se mettre en feux de route to switch on to full beam GB, to put the high beams on; feu de signalisation traffic light; feu de stationnement sidelight GB, parking light US; feu stop Aut brake light, stop lamp; feu tricolore = feu de signalisation; feux de détresse warning lights, hazard lamps; feux de position Aut sidelights GB, parking lights US; Aviat, Naut navigation lights.il n'y a pas le feu○! there's no rush!; jouer avec le feu to play with fire; faire long feu [projectile, projet] to misfire; ne pas faire long feu○ not to last long; il n'y a vu que du feu he fell for it; mourir à petit feu to die a slow death; faire mourir qn à petit feu to make sb die a slow death; avoir le feu au derrière○ or aux fesses○ or au cul◑ ( être pressé) to be in a rush; ( être salace) to be randy○; ⇒ main, lieu.II.III1. [combustion] firefaire du ou un feu to make a fireil n'y a vu que du feu he never saw a thing, he was completely taken inil se jetterait dans le feu pour lui/eux he'd do anything for him/thema. [être pressé] to be in a tearing hurryb. [sexuellement] to be horny (très familier)a. [plaque] on a gentle ou slow heatb. [four] in a slow ovenmijoter ou faire cuire à petit feu to cook slowlyun plat/ramequin qui va sur le feu a fireproof dish/ramekin3. [briquet]4. [en pyrotechnie]feu d'artifice [spectacle] fireworks display[combats] actionouvrir le feu (sur) to open fire (on), to start firing (at)faire feu to fire, to shoot6. TRANSPORTS [signal]feu (tricolore ou de signalisation) traffic lightsfeu rouge/orange/vert red/amber/green lightdonner le feu vert à quelqu'un/quelque chose (figuré) to give somebody/something the green light ou the go-ahead8. CINÉMA & THÉÂTREle feu d'un diamant the blaze ou fire of a diamond11. [sensation de brûlure] burnle feu me monta au visage I went ou turned red, my face ou I flushed————————[fø] adjectif invariableà feu et à sang locution adverbialeavec feu locution adverbialedans le feu de locution prépositionnelle————————en feu locution adjectivale2. [brûlant]j'ai la bouche/gorge en feu my mouth/throat is burningil entra, les joues en feu he came in, cheeks ablazesans feu ni lieu locution adverbialetout feu tout flamme locution adjectivale————————feu follet nom masculin -
4 Land, Edwin Herbert
SUBJECT AREA: Photography, film and optics[br]b. 7 May 1909 Bridgeport, Connecticut, USAd. 1 March 1991 Cambridge, Massachusetts, USA[br]American scientist and inventor of the Polaroid instant-picture process.[br]Edwin Land's career began when, as a Harvard undergraduate in the late 1920s, he became interested in the possibility of developing a polarizing filter in the form of a thin sheet, to replace the crystal and stacked-glass devices then in use, which were expensive, cumbersome and limited in size. He succeeded in creating a material in which minute anisotropic iodine crystals were oriented in line, producing an efficient polarizer that was patented in 1929. After presenting the result of his researches in a Physics Department colloquium at Harvard, he left to form a partnership with George Wheelwright to manufacture the new material, which was seen to have applications as diverse as anti-glare car headlights, sunglasses, and viewing filters for stereoscopic photographs and films. In 1937 he founded the Polaroid Corporation and developed the Vectograph process, in which self-polarized photographic images could be printed, giving a stereoscopic image when viewed through polarizing viewers. Land's most significant invention, the instant picture, was stimulated by his three-year-old daughter. As he took a snapshot of her, she asked why she could not see the picture at once. He began to research the possibility, and on 21 February 1947 he demonstrated a system of one-step photography at a meeting of the Optical Society of America. Using the principle of diffusion transfer of the image, it produced a photograph in one minute. The Polaroid Land camera was launched on 26 November 1948. The original sepia-coloured images were soon replaced by black and white and, in 1963, by Polacolor instant colour film. The original peel-apart "wet" process was superseded in 1972 with the introduction of the SX-70 camera with dry picture units which developed in the light. The instant colour movie system Polavision, introduced in 1978, was less successful and was one of his few commercial failures.Land died in March 1991, after a career in which he had been honoured by countless scien-tific and academic bodies and had received the Medal of Freedom, the highest civilian honour in America.[br]Principal Honours and DistinctionsMedal of Freedom.BC -
5 в дополнение к
•Molecular-orbital calculations provide detailed orbital shapes and orbital energies in addition to [or ( to go) along with] the qualitative results from symmetry considerations.
•This technique is used as an adjunct to other spectrometric methods in the identification of...
•In addition to... the tank contains 15 litres of water.
* * *В дополнение к -- in addition to; over and above, over and beyond (кроме того); as an adjunct to, as a backup to (в помощь, для дублирования)The gravitational acceleration, g, appears in this equation in addition to the parameters defined before.Hot metal requires safety considerations over and above the actual duty requirements.Over and beyond this, we have long-range plans for additional modernization of our steel operations.Increased use of computational procedures as an adjunct to testing would be expected to accelerate the development of improved mixer designs.Cholesteric liquid crystals were applied to the working surface for temperature-flow visualization as a backup to the thermocouple temperature measurements.Русско-английский научно-технический словарь переводчика > в дополнение к
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6 исключительно
•The establishment was set up solely (or exclusively) for the development of engines.
•They assert that the genetic code has a biological basis for its structural organization, and no other.
•If the mantle were made of nothing but gem-quality crystals,...
•This choice is made purely on the basis of convenience.
•This rule applies strictly to a harmonic oscillator.
•These proteins occur uniquely in tissues in which gene transcription is severely repressed.
II•This task can become enormously (or exceedingly, or extremely) complex.
•Such monopoles would be extraordinarily (or exceedingly, or exceptionally) massive.
•The sediments contain remarkably (or extremely) high concentrations of sulphide minerals.
•The instrument is exquisitely sensitive.
•Manganin is eminently suitable for standard resistors.
* * *Исключительно -- solely, exclusively (только); entirely (полностью, целиком); highly, enormously, exceedingly, extremely (очень)This rapid reversion to non-interactive growth arises solely as a result of the change in crack path.Influence coefficient balancing is an entirely empirical procedure.RNA is located exclusively in ribosomes within the chloroplast.—основываться исключительно на—полагаться исключительно наРусско-английский научно-технический словарь переводчика > исключительно
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7 исключительно
•The establishment was set up solely (or exclusively) for the development of engines.
•They assert that the genetic code has a biological basis for its structural organization, and no other.
•If the mantle were made of nothing but gem-quality crystals,...
•This choice is made purely on the basis of convenience.
•This rule applies strictly to a harmonic oscillator.
•These proteins occur uniquely in tissues in which gene transcription is severely repressed.
II•This task can become enormously (or exceedingly, or extremely) complex.
•Such monopoles would be extraordinarily (or exceedingly, or exceptionally) massive.
•The sediments contain remarkably (or extremely) high concentrations of sulphide minerals.
•The instrument is exquisitely sensitive.
•Manganin is eminently suitable for standard resistors.
Русско-английский научно-технический словарь переводчика > исключительно
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8 детально
•The theory has been extensively investigated by many authors.
Русско-английский научно-технический словарь переводчика > детально
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9 детально
•The theory has been extensively investigated by many authors.
Русско-английский научно-технический словарь переводчика > детально
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10 Shockley, William Bradford
[br]b. 13 February 1910 London, Englandd. 12 August 1989, Palo Alto, California, USA.[br]American physicist who developed the junction transistor from the point contact transistor and was joint winner (with John Bardeen and Walter H. Brattain) of the 1956 Nobel Prize for physics.[br]The son of a mining engineer, Shockley graduated from the California Institute of Technology in 1932 and in 1936 obtained his PhD at the Massachusetts Institute of Technology. In that year, he joined the staff of Bell Telephone Laboratories.Since the early days of radio, crystals of silicon or similar materials had been used to rectify alternating current supply until these were displaced by thermionic valves or tubes. Shockley, with Bardeen and Brattain, found that crystals of germanium containing traces of certain impurities formed far better rectifiers than crystals of the material in its pure form. The resulting device, the transistor, could also be used to amplify the current; its name is derived from its ability to transfer current across a resistor. The transistor, being so much smaller than the thermionic valve which it replaced, led to the miniaturization of electronic appliances. Another advantage was that a transistorized device needed no period of warming up, such as was necessary with a thermionic valve before it would operate. The dispersal of the heat generated by a multiplicity of thermionic valves such as were present in early computers was another problem obviated by the advent of the transistor.Shockley was responsible for much development in the field of semiconductors. He was Deputy Director of the Weapons Systems Evaluation Group of the US Department of Defense (1954–5), and in 1963 he was appointed the first Poniatoff Professor of Engineering Science at Stanford University, California. During the late 1960s Shockley became a controversial figure for expressing his unorthodox views on genetics, such as that black people were inherently less intelligent than white people, and that the population explosion spread "bad" genes at the expense of "good" genes; he supported the idea of a sperm bank from Nobel Prize winners, voluntary sterilization and the restriction of interracial marriages.[br]Principal Honours and DistinctionsNobel Prize for Physics 1956.Further ReadingI.Asimov (ed.), 1982, Biographical Encyclopedia of Science and Technology, New York: Doubleday \& Co.IMcNBiographical history of technology > Shockley, William Bradford
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11 Merica, Paul Dyer
SUBJECT AREA: Metallurgy[br]b. 17 March 1889 Warsaw, Indiana, USAd. 20 October 1957 Tarrytown, New York, USA[br]American physical metallurgist who elucidated the mechanism of the age-hardening of alloys.[br]Merica graduated from the University of Wisconsin in 1908. Before proceeding to the University of Berlin, he spent some time teaching in Wisconsin and in China. He obtained his doctorate in Berlin in 1914, and in that year he joined the US National Bureau of Standards (NBS) in Washington. During his five years there, he investigated the causes of the phenomenon of age-hardening of the important new alloy of aluminium, Duralumin.This phenomenon had been discovered not long before by Dr Alfred Wilm, a German research metallurgist. During the early years of the twentieth century, Wilm had been seeking a suitable light alloy for making cartridge cases for the Prussian government. In the autumn of 1909 he heated and quenched an aluminium alloy containing 3.5 per cent copper and 0.5 per cent magnesium and found its properties unremarkable. He happened to test it again some days later and was impressed to find its hardness and strength were much improved: Wilm had accidentally discovered age-hardening. He patented the alloy, but he made his rights over to Durener Metallwerke, who marketed it as Duralumin. This light and strong alloy was taken up by aircraft makers during the First World War, first for Zeppelins and then for other aircraft.Although age-hardened alloys found important uses, the explanation of the phenomenon eluded metallurgists until in 1919 Merica and his colleagues at the NBS gave the first rational explanation of age-hardening in light alloys. When these alloys were heated to temperatures near their melting points, the alloying constituents were taken into solution by the matrix. Quenching retained the alloying metals in supersaturated solid solution. At room temperature very small crystals of various intermetallic compounds were precipitated and, by inserting themselves in the aluminium lattice, had the effect of increasing the hardness and strength of the alloy. Merica's theory stimulated an intensive study of hardening and the mechanism that brought it about, with important consequences for the development of new alloys with special properties.In 1919 Merica joined the International Nickel Company as Director of Research, a post he held for thirty years and followed by a three-year period as President. He remained in association with the company until his death.[br]Bibliography1919, "Heat treatment and constitution of Duralumin", Sci. Papers, US Bureau of Standards, no. 37; 1932, "The age-hardening of metals", Transactions of the American Institution of Min. Metal 99:13–54 (his two most important papers).Further ReadingZ.Jeffries, 1959, "Paul Dyer Merica", Biographical Memoirs of the National Academy of Science 33:226–39 (contains a list of Merica's publications and biographical details).LRD -
12 cristal
m.1 crystal (mineral).cristal líquido liquid crystalcristal de roca rock crystal2 glass (material). (peninsular Spanish)el suelo está lleno de cristales there's glass all over the floorcristal ahumado smoked glasscristal tallado cut glasscristal tintado tinted glass3 (window) pane (de ventana). (peninsular Spanish)4 mirror (espejo). (peninsular Spanish)bajar el cristal to open o roll down the window (ventanilla)5 window-pane, pane, windowpane.6 Cristal.* * *1 (mineral) crystal2 (vidrio) glass3 (de ventana) window pane, pane4 (de lente) lens5 (de coche) window■ ten cuidado, hay cristales por el suelo be careful, there's some broken glass on the floor2 (ventanas) windows\botella de cristal glass bottlecopa de cristal wine glasscristal de aumento magnifying glasscristal de cuarzo quartz crystalcristal de roca rock crystalcristal tallado cut glassvaso de cristal drinking glass* * *noun m.* * *SM1) (=vidrio normal) glass; (=vidrio fino) crystalcristal de patente — (Náut) bull's-eye
2) (=trozo de cristal) piece of glasshay cristales en el suelo — there's broken glass o there are pieces of broken glass on the floor
3) [de ventana] window pane; [de coche] window; [de gafas] lens¿puedes subir un poco el cristal? — can you wind the window up a bit?
cristal de aumento — lens, magnifying glass
4) (Min) crystal5) (=espejo) glass, mirror* * *1) ( vidrio fino) crystal; ( vidrio) (Esp) glass2)a) ( lente) lensb) (Esp) ( trozo) piece of glassc) (Esp) ( de ventana) panecristales antibalas/ahumados — bulletproof/smoked glass
3) (Min, Quím) crystal* * *= crystal, platen, glass platen, glass, glass plate.Nota: En un retroproyector, fotocopiadora, escáner, etc., base o placa de cristal en donde se coloca el documento que se desea proyectar, copiar, escanear, etc..Ex. A number of identical integrated circuits are usually made side by side on a single slice of silicon and the crystal is broken up into chips which are then packaged and joined to connectors.Ex. Each book is opened to reveal its label, and placed on the platen of the photocharging machine.Ex. The teacher writes or draws directly on to the acetate roll covering the glass platen of the projector using a water-based pen.Ex. Occasionally the slide may be mounted between two pieces of glass to prevent damage caused by dust or fingerprints.Ex. Many professionals, particularly press photographers, were still using glass plates until the 1950s.----* agredir con un cristal = glass.* bola de cristal = crystal ball.* bola de cristal con nieve dentro = snow globe.* botella de cristal = glass bottle.* cristal cilindrado = plate glass.* cristal de cuarzo = quartz crystal.* cristal de espejo = one-way mirror.* cristal de hielo = ice crystal.* cristal en láminas = plate glass.* cristales ahumados = tinting.* cristal esmerilado = frosted-glass, ground glass.* cristal líquido = liquid-crystal.* cristal molido = ground glass.* cristal soplado = blown glass.* de cristal = glass.* fotografía en placa de cristal = glass-plate photography.* herir con un cristal = glass.* lámina de cristal = plate glass.* mirar la bola de cristal = gaze into + crystal ball.* ojo de cristal = glass eye.* pantalla de cristal líquido = LCD [liquid crystal display].* placa de cristal = glass plate, plate.* plato de cristal = glass plate.* puerta corredera de cristal = sliding glass door.* puerta de cristales = glazed door.* según el color del cristal con que se mire = in the eye of the beholder.* techo de cristal = glass ceiling.* * *1) ( vidrio fino) crystal; ( vidrio) (Esp) glass2)a) ( lente) lensb) (Esp) ( trozo) piece of glassc) (Esp) ( de ventana) panecristales antibalas/ahumados — bulletproof/smoked glass
3) (Min, Quím) crystal* * *= crystal, platen, glass platen, glass, glass plate.Nota: En un retroproyector, fotocopiadora, escáner, etc., base o placa de cristal en donde se coloca el documento que se desea proyectar, copiar, escanear, etc..Ex: A number of identical integrated circuits are usually made side by side on a single slice of silicon and the crystal is broken up into chips which are then packaged and joined to connectors.
Ex: Each book is opened to reveal its label, and placed on the platen of the photocharging machine.Ex: The teacher writes or draws directly on to the acetate roll covering the glass platen of the projector using a water-based pen.Ex: Occasionally the slide may be mounted between two pieces of glass to prevent damage caused by dust or fingerprints.Ex: Many professionals, particularly press photographers, were still using glass plates until the 1950s.* agredir con un cristal = glass.* bola de cristal = crystal ball.* bola de cristal con nieve dentro = snow globe.* botella de cristal = glass bottle.* cristal cilindrado = plate glass.* cristal de cuarzo = quartz crystal.* cristal de espejo = one-way mirror.* cristal de hielo = ice crystal.* cristal en láminas = plate glass.* cristales ahumados = tinting.* cristal esmerilado = frosted-glass, ground glass.* cristal líquido = liquid-crystal.* cristal molido = ground glass.* cristal soplado = blown glass.* de cristal = glass.* fotografía en placa de cristal = glass-plate photography.* herir con un cristal = glass.* lámina de cristal = plate glass.* mirar la bola de cristal = gaze into + crystal ball.* ojo de cristal = glass eye.* pantalla de cristal líquido = LCD [liquid crystal display].* placa de cristal = glass plate, plate.* plato de cristal = glass plate.* puerta corredera de cristal = sliding glass door.* puerta de cristales = glazed door.* según el color del cristal con que se mire = in the eye of the beholder.* techo de cristal = glass ceiling.* * *A1 (vidrio fino) crystalCompuestos:Baccarat glassBohemian crystalVenetian glasscut glassB1 (trozo) piece of glasshabía cristales rotos por el suelo there were pieces of broken glass o there was broken glass all over the floor2 (lente) lens3 ( Esp) (de ventana) paneuna gamuza para limpiar los cristales a chamois for cleaning the windowsdetrás de los cristales antibalas/ahumados behind the bulletproof/smoked glassCompuestos:cristales de cuarzo/sílice quartz/silica crystals* * *
cristal sustantivo masculino
1
cristal tallado or (AmL) cortado cut glass
2 (Esp) ( vidrio) glass;
( trozo) piece of glass;
( de ventana) pane;
cristales rotos pieces of glass;
limpiar los cristals to clean the windows;
cristal delantero (Esp) windshield (AmE), windscreen (BrE);
cristal trasero (Esp) rear windshield (AmE), rear windscreen (BrE)
cristal sustantivo masculino
1 (vidrio) glass
(de una ventana, escaparate) (window) pane
(de unas gafas) lens
2 (mineral) crystal
cristal de cuarzo/roca, quartz/rock crystal
' cristal' also found in these entries:
Spanish:
ahumada
- ahumado
- casco
- esmerilar
- flexible
- huella
- labrada
- labrado
- lágrima
- panel
- quebradiza
- quebradizo
- rayar
- resbalar
- resplandecer
- resplandor
- romper
- transparencia
- transparente
- vidriosa
- vidrioso
- bola
- delicado
- destrozar
- estallido
- falla
- frágil
- ojo
- peste
- resplandeciente
English:
break
- clear
- crack
- crystal
- crystal ball
- cut
- etch
- fragment
- frost
- frosted
- gash
- glass
- laminated
- lens
- liquid crystal display
- misty
- ovenproof
- pane
- polish
- shatter
- shine
- sliver
- smash
- sparkle
- sparkling
- splinter
- vapor
- vapour
- windowpane
- chickenpox
- glaze
- glazed
- liquid
- partition
- stained glass
- window
* * *cristal nmel suelo está lleno de cristales there's glass all over the floorcristal ahumado smoked glass;cristal blindado bullet-proof glass;cristal esmerilado ground glass;cristal inastillable splinter-proof glass;cristal labrado cut glass;cristal tintado tinted glass2. [vidrio fino] crystalcristal de Murano Venetian glass;cristal tallado cut glass3. [de gafas] lens;Esp [lámina] [de ventana] (window) pane; Esptodo depende del cristal con el que se mire it all depends how you look at itcristal de aumento magnifying lens4. [mineral] crystalcristal de cuarzo quartz crystal;cristal líquido liquid crystal;cristal de roca rock crystal* * *m1 crystal2 ( vidrio) glass3 ( lente) lens4 de ventana pane* * *cristal nm1) vidrio: glass, piece of glass2) : crystal* * *cristal n1. (en general) glass2. (vidrio fino, mineral) crystal3. (ventana) window -
13 Essen, Louis
SUBJECT AREA: Horology[br]b. 6 September 1908 Nottingham, England[br]English physicist who produced the first practical caesium atomic clock, which was later used to define the second.[br]Louis Essen joined the National Physical Laboratory (NPL) at Teddington in 1927 after graduating from London University. He spent his whole working life at the NPL and retired in 1972; his research there was recognized by the award of a DSc in 1948. At NPL he joined a team working on the development of frequency standards using quartz crystals and he designed a very successful quartz oscillator, which became known as the "Essen ring". He was also involved with radio frequency oscillators. His expertise in these fields was to play a crucial role in the development of the caesium clock. The idea of an atomic clock had been proposed by I.I.Rabbi in 1945, and an instrument was constructed shortly afterwards at the National Bureau of Standards in the USA. However, this device never realized the full potential of the concept, and after seeing it on a visit to the USA Essen was convinced that a more successful instrument could be built at Teddington. Assisted by J.V.L.Parry, he commenced work in the spring of 1953 and by June 1955 the clock was working reliably, with an accuracy that was equivalent to one second in three hundred years. This was significantly more accurate than the astronomical observations that were used at that time to determine the second: in 1967 the second was redefined in terms of the value for the frequency of vibration of caesium atoms that had been obtained with this clock.[br]Principal Honours and DistinctionsFRS 1960. Clockmakers' Company Tompion Gold Medal 1957. Physical Society C.V.Boys Prize 1957. USSR Academy of Science Popov Gold Medal 1959.Bibliography1957, with J.V.L.Parry, "The caesium resonator as a standard of frequency and time", Philosophical Transactions of the Royal Society (Series A) 25:45–69 (the first comprehensive description of the caesium clock).Further ReadingP.Forman, 1985, "Atomichron: the atomic clock from concept to commercial product", Proceedings of the IEEE 75:1,181–204 (an authoritative critical review of the development of the atomic clock).N.Cessons (ed.), 1992, The Making of the Modern World, London: Science Museum, pp.190–1 (contains a short account).See also: Marrison, Warren AlvinDV -
14 Pattinson, Hugh Lee
SUBJECT AREA: Metallurgy[br]b. 25 December 1796 Alston, Cumberland, Englandd. 11 November 1858 Scot's House, Gateshead, England[br]English inventor of a silver-extraction process.[br]Born into a Quaker family, he was educated at private schools; his studies included electricity and chemistry, with a bias towards metallurgy. Around 1821 Pattinson became Clerk and Assistant to Anthony Clapham, a soap-boiler of Newcastle upon Tyne. In 1825 he secured appointment as Assay Master to the lords of the manor of Alston. There he was able to pursue the subject of special interest to him, and in January 1829 he devised a method of separating silver from lead ore; however, he was prevented from developing it because of a lack of funds.Two years later he was appointed Manager of Wentworth Beaumont's lead-works. There he was able to continue his researches, which culminated in the patent of 1833 enshrining the invention by which he is best known: a new process for extracting silver from lead by skimming crystals of pure lead with a perforated ladle from the surface of the molten silver-bearing lead, contained in a succession of cast-iron pots. The molten metal was stirred as it cooled until one pot provided a metal containing 300 oz. of silver to the ton (8,370 g to the tonne). Until that time, it was unprofitable to extract silver from lead ores containing less than 8 oz. per ton (223 g per tonne), but the Pattinson process reduced that to 2–3 oz. (56–84 g per tonne), and it therefore won wide acceptance. Pattinson resigned his post and went into partnership to establish a chemical works near Gateshead. He was able to devise two further processes of importance, one an improved method of obtaining white lead and the other a new process for manufacturing magnesia alba, or basic carbonate of magnesium. Both processes were patented in 1841.Pattinson retired in 1858 and devoted himself to the study of astronomy, aided by a 7½ in. (19 cm) equatorial telescope that he had erected at his home at Scot's House.[br]Principal Honours and DistinctionsVice-President, British Association Chemical Section 1838. Fellow of the Geological Society, Royal Astronomical Society and Royal Society 1852.BibliographyPattinson wrote eight scientific papers, mainly on mining, listed in Royal Society Catalogue of Scientific Papers, most of which appeared in the PhilosophicalMagazine.Further ReadingJ.Percy, Metallurgy (volume on lead): 121–44 (fully describes Pattinson's desilvering process).Lonsdale, 1873, Worthies of Cumberland, pp. 273–320 (contains details of his life). T.K.Derry and T.I.Williams, 1960, A Short History ofTechnology, Oxford: Oxford University Press.LRD
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