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География: г. Карлсруэ, (г.) Карлсруэ (ФРГ) -
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[`kɑːlzˏruːə]Карлсруэ (Германия)Англо-русский большой универсальный переводческий словарь > Karlsruhe
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[ʹkɑ:lz͵ru:ə] n геогр.г. Карлсруэ -
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Карлсруэ Город в Германии, земля Баден-Вюртемберг, на р. Рейн. 279 тыс. жителей (1992). Машиностроение, нефтеперерабатывающая, химическая, пищевая промышленность. Университет. Государственная академия изобразительных искусств. Музей земли Баден, Кунстхалле. -
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Карлсруэ -
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['kɑːlzruːə]сущ.; геогр.Карлсруэ (город в Германии; земля Баден-Вюртемберг) -
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n геогр. Карлсруэ -
12 Karlsruhe, Germany
s.Karlsruhe, Alemania. -
13 Karlsruhe Institute of Technology
Университет: Технологический институт КарлсруэУниверсальный англо-русский словарь > Karlsruhe Institute of Technology
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14 heavy-ion source Karlsruhe
Универсальный англо-русский словарь > heavy-ion source Karlsruhe
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15 Benz, Karl
[br]b. 25 November 1844 Pfaffenrot, Black Forest, Germanyd. 4 April 1929 Ladenburg, near Mannheim, Germany[br]German inventor of one of the first motor cars.[br]The son of a railway mechanic, it is said that as a child one of his hobbies was the repair of Black Forest clocks. He trained as a mechanical engineer at the Karlsruhe Lyzeum and Polytechnikum under Ferdinand Redtenbacher (d. 1863), who pointed out to him the need for a more portable power source than the steam engine. He went to Maschinenbau Gesellschaft Karlsruhe for workshop experience and then joined Schweizer \& Cie, Mannheim, for two years. In 1868 he went to the Benkiser Brothers at Pforzheim. In 1871 he set up a small machine-tool works at Mannheim, but in 1877, in financial difficulties, he turned to the idea of an entirely new product based on the internal-combustion engine. At this time, N.A. Otto held the patent for the four-stroke internal-combustion engine, so Benz had to put his hopes on a two-stroke design. He avoided the trouble with Dugald Clerk's engine and designed one in which the fuel would not ignite in the pump and in which the cylinder was swept with fresh air between each two firing strokes. His first car had a sparking plug and coil ignition. By 1879 he had developed the engine to a stage where it would run satisfactorily with little attention. On 31 December 1879, with his wife Bertha working the treadle of her sewing machine to charge the batteries, he demonstrated his engine in street trials in Mannheim. In the summer of 1888, unknown to her husband, Bertha drove one of his cars the 80 km (50 miles) to Pforzheim and back with her two sons, aged 13 and 15. She and the elder boy pushed the car up hills while the younger one steered. They bought petrol from an apothecary in Wiesloch and had a brake block repaired in Bauschlott by the village cobbler. Karl Benz's comments on her return from this venture are not recorded! Financial problems prevented immediate commercial production of the automobile, but in 1882 Benz set up the Gasmotorenfabrik Mannheim. After trouble with some of his partners, he left in 1883 and formed a new company, Benz \& Cie, Rheinische Gasmotorenfabrik. Otto's patent was revoked in 1886 and in that year Benz patented a motor car with a gas engine drive. He manufactured a 0.8hp car, the engine running at 250 rpm with a horizontal flywheel, exhibited at the Paris Fair in 1889. He was not successful in finding anyone in France who would undertake manufacture. This first car was a three-wheeler, and soon after he produced a four-wheeled car, but he quarrelled with his co-directors, and although he left the board in 1902 he rejoined it soon after.[br]Further ReadingSt J.Nixon, 1936, The Invention of the Automobile. E.Diesel et al., 1960, From Engines to Autos. E.Johnson, 1986, The Dawn of Motoring.IMcN -
16 Haber, Fritz
SUBJECT AREA: Chemical technology[br]b. 9 December 1868 Breslau, Germany (now Wroclaw, Poland)d. 29 January 1934 Basel, Switzerland[br]German chemist, inventor of the process for the synthesis of ammonia.[br]Haber's father was a manufacturer of dyestuffs, so he studied organic chemistry at Berlin and Heidelberg universities to equip him to enter his father's firm. But his interest turned to physical chemistry and remained there throughout his life. He became Assistant at the Technische Hochschule in Karlsruhe in 1894; his first work there was on pyrolysis and electrochemistry, and he published his Grundrisse der technischen Electrochemie in 1898. Haber became famous for thorough and illuminating theoretical studies in areas of growing practical importance. He rose through the academic ranks and was appointed a full professor in 1906. In 1912 he was also appointed Director of the Institute of Physical Chemistry and Electrochemistry at Dahlem, outside Berlin.Early in the twentieth century Haber invented a process for the synthesis of ammonia. The English chemist and physicist Sir William Crookes (1832–1919) had warned of the danger of mass hunger because the deposits of Chilean nitrate were becoming exhausted and nitrogenous fertilizers would not suffice for the world's growing population. A solution lay in the use of the nitrogen in the air, and the efforts of chemists centred on ways of converting it to usable nitrate. Haber was aware of contemporary work on the fixation of nitrogen by the cyanamide and arc processes, but in 1904 he turned to the study of ammonia formation from its elements, nitrogen and hydrogen. During 1907–9 Haber found that the yield of ammonia reached an industrially viable level if the reaction took place under a pressure of 150–200 atmospheres and a temperature of 600°C (1,112° F) in the presence of a suitable catalyst—first osmium, later uranium. He devised an apparatus in which a mixture of the gases was pumped through a converter, in which the ammonia formed was withdrawn while the unchanged gases were recirculated. By 1913, Haber's collaborator, Carl Bosch had succeeded in raising this laboratory process to the industrial scale. It was the first successful high-pressure industrial chemical process, and solved the nitrogen problem. The outbreak of the First World War directed the work of the institute in Dahlem to military purposes, and Haber was placed in charge of chemical warfare. In this capacity, he developed poisonous gases as well as the means of defence against them, such as gas masks. The synthetic-ammonia process was diverted to produce nitric acid for explosives. The great benefits and achievement of the Haber-Bosch process were recognized by the award in 1919 of the Nobel Prize in Chemistry, but on account of Haber's association with chemical warfare, British, French and American scientists denounced the award; this only added to the sense of bitterness he already felt at his country's defeat in the war. He concentrated on the theoretical studies for which he was renowned, in particular on pyrolysis and autoxidation, and both the Karlsruhe and the Dahlem laboratories became international centres for discussion and research in physical chemistry.With the Nazi takeover in 1933, Haber found that, as a Jew, he was relegated to second-class status. He did not see why he should appoint staff on account of their grandmothers instead of their ability, so he resigned his posts and went into exile. For some months he accepted hospitality in Cambridge, but he was on his way to a new post in what is now Israel when he died suddenly in Basel, Switzerland.[br]Bibliography1898, Grundrisse der technischen Electrochemie.1927, Aus Leben und Beruf.Further ReadingJ.E.Coates, 1939, "The Haber Memorial Lecture", Journal of the Chemical Society: 1,642–72.M.Goran, 1967, The Story of Fritz Haber, Norman, OK: University of Oklahoma Press (includes a complete list of Haber's works).LRD -
17 HECTOR
1) Техника: Hot, Enriched, Carbon-Moderated, Thermal-Oscillator Reactor2) Вычислительная техника: HEterogeneous Computer TOgetheR (IBM, Uni Karlsruhe) -
18 HECToR
1) Техника: Hot, Enriched, Carbon-Moderated, Thermal-Oscillator Reactor2) Вычислительная техника: HEterogeneous Computer TOgetheR (IBM, Uni Karlsruhe) -
19 HISKA
Техника: heavy-ion source Karlsruhe -
20 Hector
1) Техника: Hot, Enriched, Carbon-Moderated, Thermal-Oscillator Reactor2) Вычислительная техника: HEterogeneous Computer TOgetheR (IBM, Uni Karlsruhe)
См. также в других словарях:
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