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1 theoretical mechanics
English-Russian big polytechnic dictionary > theoretical mechanics
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2 theoretical mechanics
The English-Russian dictionary general scientific > theoretical mechanics
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3 theoretical mechanics
1) Техника: общая механика2) Физика: теоретическая механика -
4 theoretical mechanics
Англо русский политехнический словарь > theoretical mechanics
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5 theoretical mechanics
English-russian dictionary of physics > theoretical mechanics
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6 theoretical mechanics
(fiz, mec) mecanica teoreticăEnglish-Romanian technical dictionary > theoretical mechanics
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7 theoretical mechanics
Англо-русский словарь по робототехнике > theoretical mechanics
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8 theoretical mechanics
• обща механикаEnglish-Bulgarian polytechnical dictionary > theoretical mechanics
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9 theoretical mechanics
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10 theoretical
теоретический, расчетный
– theoretical evaluation
– theoretical mechanics
– theoretical proof
– theoretical skills
– theoretical study
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11 theoretical fluid mechanics
Морской термин: теоретическая механика жидкостей и газовУниверсальный англо-русский словарь > theoretical fluid mechanics
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12 theoretical fluid mechanics
English-russian dictionary of physics > theoretical fluid mechanics
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13 theoretical fluid mechanics
English-Russian marine dictionary > theoretical fluid mechanics
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14 rock mechanics
горная механика
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[ http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]EN
rock mechanics
The theoretical and applied science of the physical behavior of rocks, representing a "branch of mechanics concerned with the response of rock to the force fields of its physical environment". (Source: BJGEO)
[http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]Тематики
EN
DE
FR
Англо-русский словарь нормативно-технической терминологии > rock mechanics
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15 Institute of Theoretical and Applied Mechanics
Нефть и газ: ИТПМ, Институт теоретической и прикладной механикиУниверсальный англо-русский словарь > Institute of Theoretical and Applied Mechanics
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16 International Union of Theoretical and Applied Mechanics
1) Общая лексика: МСТПМ, Международный союз теоретической и прикладной механики3) Космонавтика: Международный союз теоретической и прикладной механики (ИЮТАМ)Универсальный англо-русский словарь > International Union of Theoretical and Applied Mechanics
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17 Helmholtz, Hermann Ludwig Ferdinand von
SUBJECT AREA: Medical technology[br]b. 31 August 1821 Potsdam, Germanyd. 8 September 1894 Berlin, Germany[br]German physicist and man of science, inventor of the ophthalmoscope.[br]Constrained by poverty despite displaying considerable gifts, particularly in the realm of mathematics, he became a surgeon in the Prussian Army but was able to undertake research; in 1842 he wrote a thesis on the discovery of nerve cells in ganglia. He became Professor of Physiology in Königsberg (now Kaliningrad, Russia) in 1849. moving to a similar post in Bonn in 1855, to Heidelberg in 1858, and the Chair of Physic in Berlin in 1871. This latter included the directorship of the physicotechnical institute at Charlottenburg.His investigations over the years encompassed almost the whole field of science, including physiology, physiological optics, physiological acoustics, chemistry, mathematics, electricity and magnetism, meteorology and theoretical mechanics. He also made important additions to the understanding of putrefaction and fermentation.Helmholtz's contributions to the understanding of vision and optics ranged widely, but one of the most significant was the definitive development of the ophthalmoscope in 1851. Incorporating some of the aspects of Babbage's original suggestions (which were not brought to practical fruition), his instrument inaugurated a new diagnostic era in ophthalmology, particularly when his method of direct ophthalmoscopy was supplemented by the indirect method of Ruete. His personal life was uneventful, in contrast to his inventive achievements, which were perhaps unequalled in scope in his century. Michael Faraday's tribute, "the absolute simplicity, modesty and untroubled purity of his disposition had a charm such as I have never encountered in another man", is therefore all the more to be valued.[br]Bibliography1850. "The ophthalmoscope", Physikalische Gesellschaft, Berlin.1851. Beschreibung eines Augen-Spiegels zur Untersuchung der Netzhaut im lebenden Auge, Berlin. 1856–66, Physiological Optics (2 vols).Further ReadingL.Konigsberger, 1906, trans. F.A.Welby, Hermann von Helmholtz, Oxford.MGBiographical history of technology > Helmholtz, Hermann Ludwig Ferdinand von
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18 division
отдел; бюро; отделение ( компании) ; сектор; управление; дивизион; дивизия; отсек; (раз)деление; разборкаAdvanced Spacecraft and Technology division — НАСА отдел усовершенствованных космических аппаратов и технологии
Aerospace Research Pilot division — отдел подготовки лётчиков-испытателей воздушно-космических аппаратов и космонавтов (на авиабазе им. Эдвардса ВВС США)
Air Organization and Training division — Бр. управление организации и боевой подготовки (авиации ВМС)
Biotechnology and Human Research division — НАСА отдел биотехники и исследований человеческого организма
Electronic Engineering and Instrumentation Systems division — НАСА отдел электронной техники и приборно-измерительных систем
Experimental Test Pilot division — школа лётчиков-испытателей (на авиабазе им. Эдвардса ВВС США)
Flight-Evaluation and Operations Studies division — НАСА отдел лётной оценки и исследования операций
Instrumentation and Communications division — НАСА отдел приборно-измерительного оборудования и средств связи
Instrumentation and Electronic Systems division — НАСА отдел приборно-измерительного оборудования и электронных систем
Manned Space Sciences division — НАСА отдел научных проблем, связанных с полётом человека в космическом пространстве
Manufacturing Research and Technology division — НАСА отдел производственных исследований и технологии производства
Nuclear Systems and Space Power division — НАСА отдел ядерных систем и источников питания для космических аппаратов
Research and Development Applications division — НАСА отдел применения [внедрения] научно-исследовательских и опытно-конструкторских работ
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19 Hertz, Heinrich Rudolph
[br]b. 22 February 1857 Hamburg, Germanyd. 1 January 1894 Bonn, Germany[br]German physicist who was reputedly the first person to transmit and receive radio waves.[br]At the age of 17 Hertz entered the Gelehrtenschule of the Johaneums in Hamburg, but he left the following year to obtain practical experience for a year with a firm of engineers in Frankfurt am Main. He then spent six months at the Dresden Technical High School, followed by year of military service in Berlin. At this point he decided to switch from engineering to physics, and after a year in Munich he studied physics under Helmholtz at the University of Berlin, gaining his PhD with high honours in 1880. From 1883 to 1885 he was a privat-dozent at Kiel, during which time he studied the electromagnetic theory of James Clerk Maxwell. In 1885 he succeeded to the Chair in Physics at Karlsruhe Technical High School. There, in 1887, he constructed a rudimentary transmitter consisting of two 30 cm (12 in.) rods with metal balls separated by a 7.5 mm (0.3 in.) gap at the inner ends and metallic plates at the outer ends, the whole assembly being mounted at the focus of a large parabolic metal mirror and the two rods being connected to an induction coil. At the other side of his laboratory he placed a 70 cm (27½ in.) diameter wire loop with a similar air gap at the focus of a second metal mirror. When the induction coil was made to create a spark across the transmitter air gap, he found that a spark also occurred at the "receiver". By a series of experiments he was not only able to show that the invisible waves travelled in straight lines and were reflected by the parabolic mirrors, but also that the vibrations could be refracted like visible light and had a similar wavelength. By this first transmission and reception of radio waves he thus confirmed the theoretical predictions made by Maxwell some twenty years earlier. It was probably in his experiments with this apparatus in 1887 that Hertz also observed that the voltage at which a spark was able to jump a gap was significantly reduced by the presence of ultraviolet light. This so-called photoelectric effect was subsequently placed on a theoretical basis by Albert Einstein in 1905. In 1889 he became Professor of Physics at the University of Bonn, where he continued to investigate the nature of electric discharges in gases at low pressure until his death after a long and painful illness. In recognition of his measurement of radio and other waves, the international unit of frequency of an oscillatory wave, the cycle per second, is now universally known as the Hertz.[br]Principal Honours and DistinctionsRoyal Society Rumford Medal 1890.BibliographyMuch of Hertz's work, including his 1890 paper "On the fundamental equations of electrodynamics for bodies at rest", is recorded in three collections of his papers which are available in English translations by D.E.Jones et al., namely Electric Waves (1893), Miscellaneous Papers (1896) and Principles of Mechanics (1899).Further ReadingJ.G.O'Hara and W.Pricha, 1987, Hertz and the Maxwellians, London: Peter Peregrinus. J.Hertz, 1977, Heinrich Hertz, Memoirs, Letters and Diaries, San Francisco: San Francisco Press.R.Appleyard, 1930, Pioneers of Electrical Communication.See also: Heaviside, OliverKFBiographical history of technology > Hertz, Heinrich Rudolph
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20 Rankine, William John Macquorn
SUBJECT AREA: Mechanical, pneumatic and hydraulic engineering[br]b. 5 July 1820 Edinburgh, Scotlandd. 1872[br][br]Rankine was educated at Ayr Academy and Glasgow High School, although he appears to have learned much of his basic mathematics and physics through private study. He attended Edinburgh University and then assisted his father, who was acting as Superintendent of the Edinburgh and Dalkeith Railway. This introduction to engineering practice was followed in 1838 by his appointment as a pupil to Sir John MacNeill, and for the next four years he served under MacNeill on his Irish railway projects. While still in his early twenties, Rankine presented pioneering papers on metal fatigue and other subjects to the Institution of Civil Engineers, for which he won a prize, but he appears to have resigned from the Civils in 1857 after an argument because the Institution would not transfer his Associate Membership into full Membership. From 1844 to 1848 Rankine worked on various projects for the Caledonian Railway Company, but his interests were becoming increasingly theoretical and a series of distinguished papers for learned societies established his reputation as a leading scholar in the new science of thermodynamics. He was elected Fellow of the Royal Society in 1853. At the same time, he remained intimately involved with practical questions of applied science, in shipbuilding, marine engineering and electric telegraphy, becoming associated with the influential coterie of fellow Scots such as the Thomson brothers, Napier, Elder, and Lewis Gordon. Gordon was then the head of a large and successful engineering practice, but he was also Regius Professor of Engineering at the University of Glasgow, and when he retired from the Chair to pursue his business interests, Rankine, who had become his Assistant, was appointed in his place.From 1855 until his premature death in 1872, Rankine built up an impressive engineering department, providing a firm theoretical basis with a series of text books that he wrote himself and most of which remained in print for many decades. Despite his quarrel with the Institution of Civil Engineers, Rankine took a keen interest in the institutional development of the engineering profession, becoming the first President of the Institution of Engineers and Shipbuilders in Scotland, which he helped to establish in 1857. Rankine campaigned vigorously for the recognition of engineering studies as a full university degree at Glasgow, and he achieved this in 1872, the year of his death. Rankine was one of the handful of mid-nineteenth century engineers who virtually created engineering as an academic discipline.[br]Principal Honours and DistinctionsFRS 1853. First President, Institution of Engineers and Shipbuilders in Scotland, 1857.Bibliography1858, Manual of Applied Mechanics.1859, Manual of the Steam Engine and Other Prime Movers.1862, Manual of Civil Engineering.1869, Manual of Machinery and Millwork.Further ReadingJ.Small, 1957, "The institution's first president", Proceedings of the Institution of Engineers and Shipbuilders in Scotland: 687–97.H.B.Sutherland, 1972, Rankine. His Life and Times.ABBiographical history of technology > Rankine, William John Macquorn
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