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1 диаметром
••Craters with diameters of 100 m and larger...
* * *ДиаметромThis process is used for pipes from 61 to 92 cm OD ( наружным диаметром 61--92 см).The stack will be 11ў in diameter and will have a finished height of 100ў above grade.Русско-английский научно-технический словарь переводчика > диаметром
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2 диаметром
••Craters with diameters of 100 m and larger...
Русско-английский научно-технический словарь переводчика > диаметром
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3 покрываться
•The alloy becomes coated with a protective layer of...
•A perfectly clean surface of aluminium is very active chemically and covers itself in the air in a few seconds with a very thin protective coating of oxide.
Русско-английский научно-технический словарь переводчика > покрываться
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4 поступать в продажу в виде
•The steel is available in rolled strip form.
Русско-английский научно-технический словарь переводчика > поступать в продажу в виде
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5 хорошее сцепление с
•Русско-английский научно-технический словарь переводчика > хорошее сцепление с
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6 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 -
7 промышленное использование
Промышленное использование-- Commercial utilization of the alloy may become possible if rings of the alloy can be manufactured successfully on a consistent basis.Русско-английский научно-технический словарь переводчика > промышленное использование
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8 сплав быстро затвердевает
Универсальный русско-английский словарь > сплав быстро затвердевает
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9 в то же время
•Certain problems not directly connected with ancient objects and yet important to the archaeologist,...
•The alloy has high strength for rough service, yet has sufficient machinability...
•It was difficult to imagine a kind of water that would rigidly exclude ions such as potassium while (or at the same time) readily dissolving glucose and ethyl alcohol.
* * *В то же время -- at the same time, simultaneously (одновременно); while, while still, at the same time (вместе с тем); yet (хотя и, но)It is seen that the position of the reattachment zone moves downstream with increasing blockage and, at the same time, the zone becomes wider.Simultaneously, the generated centrifugal forces were supported by a cylindrical outer ring track.This simplifies the mechanical arrangement, reducing part count while improving the overall system reliability.The stop spacer limits outward movement of the waterbox to a predetermined amount while still permitting the free action of the shell expansion joint.The present work is intended to cover large Grashof number flows, yet below the onset of turbulence.Русско-английский научно-технический словарь переводчика > в то же время
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10 воздействие
. действие; испытывать воздействие; коррозионное воздействие; под действием; подвергаться воздействию•Acetylides are prepared by the action of acetylene on...
•The effect (or influence) of the environment (up)on animals...
•Failures after exposure to elevated temperatures have become more evident.
•The action of zinc is the most convenient for laboratory preparations of hydrogen.
•The alloy is resistant to attack by fluorine.
•The effect is achieved by a 10-minute exposure to gamma rays.
* * *Воздействие (света)-- The adhesion of a polymer to a semiconductor may be markedly changed by exposure to ultraviolet light. Воздействие -- action; impact, effect, influence (влияние); attack (разрушающее); exposure to, environment of (среды)In general the attack is fairly localized in the engine and is normally confined to the turbine entry guide vanes.Additional laboratory tests are being conducted to determine the long-term effect on the coupling of exposure to various fluids.The crack will be subjected to an environment of flowing liquid sodium.—воздействие... на—оказывать воздействие наРусско-английский научно-технический словарь переводчика > воздействие
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11 преодолевать трудности
•The difficulties to be surmounted are great.
•To overcome this impediment,...
•This difficulty may be obviated (or resolved) by connecting...
•One might try to get over (or minimize) the difficulty without departing from classical mechanics.
•How do they master these difficulties?
•They met the difficulty by placing...
•It was to overcome these difficulties that the sequence circuit was evolved.
•The new technique gets around the problem by limiting the penetration of the alloy.
•Steps to counter (or overcome) this problem were taken.
•Two means of tackling (or coping with) the difficulty are:...
•We have this problem licked (жарг.).
Русско-английский научно-технический словарь переводчика > преодолевать трудности
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12 воздействие
. действие; испытывать воздействие; коррозионное воздействие; под действием; подвергаться воздействию•Acetylides are prepared by the action of acetylene on...
•The effect (or influence) of the environment (up)on animals...
•Failures after exposure to elevated temperatures have become more evident.
•The action of zinc is the most convenient for laboratory preparations of hydrogen.
•The alloy is resistant to attack by fluorine.
•The effect is achieved by a 10-minute exposure to gamma rays.
Русско-английский научно-технический словарь переводчика > воздействие
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13 применение
•The analysis is dependent on the employment (or application) of a satisfactory mixture law.
•The alloy has a large number of uses (or applications) as a substitute for silver.
•Computer-aided design refers to any application of a computer to the solution of design problems.
•The application of this tool to metal-working jobs...
•The implementation of this technique...
Русско-английский научно-технический словарь переводчика > применение
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14 удовлетворять требованиям
•Laser technology can meet the requirements for a reliable source of...
•To fulfil (or comply with, or meet, or satisfy) the design requirements,...
Русско-английский научно-технический словарь переводчика > удовлетворять требованиям
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15 один и тот же
Один и тот жеIn CO2 all three wear regimes may occur in the same test as a function of sliding distance without change to the other extrinsic parameters.S. and B. [...] modified the theory, such that the reducing agent and the alloy substrate were one and the same.Русско-английский научно-технический словарь переводчика > один и тот же
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16 внутрь
•The reaction proceeds inward from the surface of the alloy.
* * *Внутрь-- This implies that these cracks may begin outside the hub and then progress inward.Русско-английский научно-технический словарь переводчика > внутрь
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17 пригодный для
•This makes metal hydrides feasible for the storage of energy.
•These raw materials are satisfactory for the manufacture of...
•A computer-aided draughting system assists in converting sketches or concepts into working drawings suitable for use in manufacture.
•The alloy is good for bearings and...
•The result is appropriate for a finite time interval.
Русско-английский научно-технический словарь переводчика > пригодный для
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18 внутрь
•The reaction proceeds inward from the surface of the alloy.
Русско-английский научно-технический словарь переводчика > внутрь
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19 из боязни
Из боязни-- One of the constraints is the inability to make significant changes in the alloy content for fear of adversely affecting the strength.Русско-английский научно-технический словарь переводчика > из боязни
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20 в то же время
•Certain problems not directly connected with ancient objects and yet important to the archaeologist,...
•The alloy has high strength for rough service, yet has sufficient machinability...
•It was difficult to imagine a kind of water that would rigidly exclude ions such as potassium while (or at the same time) readily dissolving glucose and ethyl alcohol.
Русско-английский научно-технический словарь переводчика > в то же время
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