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21 Bothe, Walter Wilhelm Georg Franz
SUBJECT AREA: Weapons and armour[br]b. 8 January 1891 Oranienburg, Berlin, Germanyd. 8 February 1957 Heidelberg, Germany[br]German nuclear scientist.[br]Bothe studied under Max Planck at the University of Berlin, gaining his doctorate in 1914. After military service during the First World War, he resumed his investigations into nuclear physics and achieved a breakthrough in 1929 when he developed a method of studying cosmic radiation by placing one Geiger counter on top of another. From this he evolved the means of high-speed counting known as "coincidence counting". The following year, in conjunction with Hans Becker, Bothe made a Further stride forward when they identified a very penetrative neutral particle by bombarding beryllium with alpha particles; this was a significant advance towards creating nuclear energy in that the neutral particle was what Chadwick later identified as the neutron.In 1934 Bothe's achievements were recognized by his appointment as Director of the Max Planck Institute for Medical Research, although this was after Planck himself had been deposed because of his Jewish sympathies. Bothe did, however, become primarily involved in Germany's pursuit of the atomic bomb and in 1944 constructed Germany's first cyclotron for accelerating nuclear particles. By that time Germany was faced with military defeat and Bothe was not able to develop his ideas further. Even so, for his work in the field of cosmic radiation Bothe shared the 1954 Nobel Prize for Physics with the naturalized Briton (formerly German) Max Born, whose subject was statistical mechanics.[br]Principal Honours and DistinctionsCo-winner of the Nobel Prize for Physics 1954.CMBiographical history of technology > Bothe, Walter Wilhelm Georg Franz
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22 Maxwell, James Clerk
[br]b. 13 June 1831 Edinburgh, Scotlandd. 5 November 1879 Cambridge, England[br]Scottish physicist who formulated the unified theory of electromagnetism, the kinetic theory of gases and a theory of colour.[br]Maxwell attended school at the Edinburgh Academy and at the age of 16 went on to study at Edinburgh University. In 1850 he entered Trinity College, Cambridge, where he graduated four years later as Second Wrangler with the award of the Smith's Prize. Two years later he was appointed Professor at Marischal College, Aberdeen, where he married the Principal's daughter. In 1860 he moved to King's College London, but on the death of his father five years later, Maxwell returned to the family home in Scotland, where he continued his researches as far as the life of a gentleman farmer allowed. This rural existence was interrupted in 1874 when he was persuaded to accept the chair of Cavendish Professor of Experimental Physics at Cambridge. Unfortunately, in 1879 he contracted the cancer that brought his brilliant career to an untimely end. While at Cambridge, Maxwell founded the Cavendish Laboratory for research in physics. A succession of distinguished physicists headed the laboratory, making it one of the world's great centres for notable discoveries in physics.During the mid-1850s, Maxwell worked towards a theory to explain electrical and magnetic phenomena in mathematical terms, culminating in 1864 with the formulation of the fundamental equations of electromagnetism (Maxwell's equations). These equations also described the propagation of light, for he had shown that light consists of transverse electromagnetic waves in a hypothetical medium, the "ether". This great synthesis of theories uniting a wide range of phenomena is worthy to set beside those of Sir Isaac Newton and Einstein. Like all such syntheses, it led on to further discoveries. Maxwell himself had suggested that light represented only a small part of the spectrum of electromagnetic waves, and in 1888 Hertz confirmed the discovery of another small part of the spectrum, radio waves, with momentous implications for the development of telecommunication technology. Maxwell contributed to the kinetic theory of gases, which by then were viewed as consisting of a mass of randomly moving molecules colliding with each other and with the walls of the containing vessel. From 1869 Maxwell applied statistical methods to describe the molecular motion in mathematical terms. This led to a greater understanding of the behaviour of gases, with important consequences for the chemical industry.Of more direct technological application was Maxwell's work on colour vision, begun in 1849, showing that all colours could be derived from the three primary colours, red, yellow and blue. This enabled him in 1861 to produce the first colour photograph, of a tartan. Maxwell's discoveries about colour vision were quickly taken up and led to the development of colour printing and photography.[br]BibliographyMost of his technical papers are reprinted in The Scientific Papers of J.Clerk Maxwell, 1890, ed. W.D.Niven, Cambridge, 2 vols; reprinted 1952, New York.Maxwell published several books, including Theory of Heat, 1870, London (1894, 11th edn, with notes by Lord Rayleigh) and Theory of Electricity and Magnetism, 1873, Oxford (1891, ed. J.J.Thomson, 3rd edn).Further ReadingL.Campbell and W.Garnett, 1882, The Life of James Clerk Maxwell, London (the standard biography).J.J.Thomson (ed.), 1931, James Clerk Maxwell 1831–1931, Cambridge. J.G.Crowther, 1932, British Scientists of the Nineteenth Century, London.LRD -
23 наука об атмосфере
наука об атмосфере
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[ http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]EN
atmospheric science
The atmospheric sciences study the dynamics, physics and chemistry of atmospheric phenomena and processes, including the interactions of the atmosphere with soil physics, hydrology and oceanic circulation. The research focuses on the following areas: turbulence and convection, atmospheric radiation and remote sensing, aerosol and cloud physics and chemistry, planetary atmospheres, air-sea interactions, climate, and statistical meteorology. (Source: ATS)
[http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]Тематики
EN
DE
FR
Русско-английский словарь нормативно-технической терминологии > наука об атмосфере
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24 статистико-механический
1) Mathematics: statistical-mechanical2) Physics: statistical mechanicalУниверсальный русско-английский словарь > статистико-механический
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25 статистическое распределение
1) Mathematics: statistical partition2) Physics: statistical distribution3) Polymers: random distributionУниверсальный русско-английский словарь > статистическое распределение
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26 квантовая статистика
1) Physics: quantum statistical mechanics2) Household appliances: quantum statisticsУниверсальный русско-английский словарь > квантовая статистика
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27 математическое ожидание
1) Computers: expected utility2) Military: expectancy3) Engineering: average, expectation value4) Mathematics: ( mathematical) mean value, EV (expected value), ensemble expectation, expectation, expectation function, first moment, mathematical expectation, mean of distribution, moral expectation, population mean, statistical expectation, universe mean5) Economy: expected value, mean value, theoretical mean value6) Statistics: assembly average, average of distribution, mean, probabilistic average, probabilistic mean, stochastic average, theoretic average, theoretical average7) Physics: ensemble average8) Information technology: universal mean9) Quality control: ensembly average, grand mean, theoretical mean, true mean10) Makarov: expectanceУниверсальный русско-английский словарь > математическое ожидание
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28 частота
1) General subject: freak, frequency, periodicity3) Aviation: regular flight4) Medicine: occurrence, rate (пульса)5) Military: (радио) frequency6) Engineering: line-locked frequency7) Construction: velocity8) Mathematics: frequency ratio, statistical frequency (статистическая)9) Railway term: cycles per second, periods per second, wave frequency11) Automobile industry: fineness12) Telecommunications: protected frequency13) Physics: frequence14) Astronautics: sampling rate15) Sakhalin energy glossary: return period (о землетрясениях и др. катаклизмах)17) Biometry: (абсолютная) absolute frequency19) Microsoft: frequency hopping20) Hi-Fi. frequency (число периодов за одну секунду. Измеряется в герцах (Гц) или циклах в секунду. Звуковой сигнал частотой 1000 Гц (1 кГц) означает 1000 периодов синусоидального сигнала в секунду)21) General subject: frequency (колебаний) -
29 Monte Carlo method
Gen Mgta statistical technique used in business decision making that involves a number of uncertain variables, such as capital investment and resource allocation. The name of the Monte Carlo method derives from the use of random numbers as generated by a roulette wheel. The numbers are used in repeated simulations, often performed by spreadsheet programs on computers, to calculate a variety of possible outcomes. The technique was developed by mathematicians in the early 1960s for use in nuclear physics and operational research but has since been used more widely.
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