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101 expert
[ˈekspəːt]1. adjective( with at or on) skilled through training or practice:خَبيرGet expert advice on plumbing.
2. nouna person who is an expert:شَخْص خَبيرan expert in political history / on ancient pottery.
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102 expert
['ekspə:t] 1. adjective((with at or on) skilled through training or practice: an expert car designer; I'm expert at map-reading; Get expert advice on plumbing.) expert2. noun(a person who is an expert: an expert in political history / on ancient pottery.) expert, erte- expertly- expertness -
103 expert
['ekspə:t] 1. adjective((with at or on) skilled through training or practice: an expert car designer; I'm expert at map-reading; Get expert advice on plumbing.) especializado2. noun(a person who is an expert: an expert in political history / on ancient pottery.) especialista, perito- expertly- expertness -
104 Luso-Tropicalism
An anthropological and sociol ogical theory or complex of ideas allegedly showing a process of civilization relating to the significance of Portuguese activity in the tropics of Africa, Asia, and the Americas since 1415. As a theory and method of social science analysis, Luso-Tropicalism is a 20th-century phenomenon that has both academic and political (foreign and colonial policy) relevance. While the theory was based in part on French concepts of the "science of tropicology" in anthropology, it was Gilberto Freyre, an eminent Brazilian sociologist-anthropologist, who developed Luso-Tropicalism as an academic theory of the unique qualities of the Portuguese style of imperial activity in the tropics. In lectures, articles, and books during the period 1930-60, Freyre coined the term Luso-Tropicalism to describe Portuguese civilization in the tropics and to claim that the Portuguese, more than any other European colonizing people, successfully adapted their civilization to the tropics.From 1960 on, the academic theory was co-opted to lend credence to Portugal's colonial policy and determination to continue colonial rule in her large, remaining African empire. Freyre's Luso-Tropicalism theme was featured in the elaborate Fifth Centenary of the Death of Prince Henry the Navigator celebrations held in Lisbon in 1960 and in a massive series of publications produced in the 1960s to defend Portugal's policies in its empire, the first to be established and the last to decolonize in the Third World. Freyre's academic theory and his international prestige as a scholar who had put the sociology of Brazil on the world map were eagerly adopted and adapted by the Estado Novo. A major thesis of this interesting but somewhat disorganized mass of material was that the Portuguese were less racist and prejudiced toward the tropical peoples they encountered than were other Europeans.As African wars of insurgency began in Portugal's empire during 1961-64, and as the United Nations put pressures on Portugal, Luso-Tropicalism was tested and contested not only in academia and the press, but in international politics and diplomacy. Following the decolonization of Portugal's empire during 1974 and 1975 (although Macau remained the last colony to the late 1990s), debate over the notion of Luso-Tropicalism died down. With the onset of the 500-year anniversary celebrations of the Portuguese Age of Discoveries and Exploration, beginning in 1988, however, a whiff of the essence of Luso- Tropicalism reappeared in selected aspects of the commemorative literature. -
105 Lavoisier, Antoine Laurent
SUBJECT AREA: Chemical technology[br]b. 26 August 1743 Paris, Franced. 8 May 1794 Paris, France[br]French founder of the modern science of chemistry.[br]As well as receiving a formal education in law and literature, Lavoisier studied science under some of the leading figures of the day. This proved to be an ideal formation of the man in whom "man of science" and "public servant" were so intimately combined. His early work towards the first geological map of France and on the water supply of Paris helped to win him election to the Royal Academy of Sciences in 1768 at the youthful age of 25. In the same year he used some of his private income to buy a part-share in the "tax farm", a private company which leased from the Government the right to collect certain indirect taxes.In 1772 Lavoisier began his researches into the related phenomena of combustion, respiration and the calcination or oxidation of metals. This culminated in the early 1780s in the overthrow of the prevailing theory, based on an imponderable combustion principle called "phlogiston", and the substitution of the modern explanation of these processes. At the same time, understanding of the nature of acids, bases and salts was placed on a sounder footing. More important, Lavoisier defined a chemical element in its modern sense and showed how it should be applied by drawing up the first modern list of the chemical elements. With the revolution in chemistry initiated by Lavoisier, chemists could begin to understand correctly the fundamental processes of their science. This understanding was the foundationo of the astonishing advance in scientific and industrial chemistry that has taken place since then. As an academician, Lavoisier was paid by the Government to carry out investigations into a wide variety of practical questions with a chemical bias, such as the manufacture of starch and the distillation of phosphorus. In 1775 Louis XVI ordered the setting up of the Gunpowder Commission to improve the supply and quality of gunpowder, deficiencies in which had hampered France's war efforts. Lavoisier was a member of the Commission and, as usual, took the leading part, drawing up its report and supervising its implementation. As a result, the industry became profitable, output increased so that France could even export powder, and the range of the powder increased by two-thirds. This was a material factor in France's war effort in the Revolution and the Napoleonic wars.As if his chemical researches and official duties were not enough, Lavoisier began to apply his scientific principles to agriculture when he purchased an estate at Frechines, near Blois. After ten years' work on his experimental farm there, Lavoisier was able to describe his results in the memoir "Results of some agricultural experiments and reflections on their relation to political economy" (Paris, 1788), which holds historic importance in agriculture and economics. In spite of his services to the nation and to humanity, his association with the tax farm was to have tragic consequences: during the reign of terror in 1794 the Revolutionaries consigned to the guillotine all the tax farmers, including Lavoisier.[br]Bibliography1862–93, Oeuvres de Lavoisier, Vols I–IV, ed. J.B.A.Dumas; Vols V–VI, ed. E.Grimaux, Paris (Lavoisier's collected works).Further ReadingD.I.Duveen and H.S.Klickstein, 1954, A Bibliography of the Works of Antoine Laurent Lavoisier 1743–1794, London: William Dawson (contains valuable biographical material).D.McKie, 1952, Antoine Lavoisier, Scientist, Economist, Social Reformer, London: Constable (the best modern, general biography).H.Guerlac, 1975, Antoine Laurent Lavoisier, Chemist and Revolutionary, New York: Charles Scribner's Sons (a more recent work).LRDBiographical history of technology > Lavoisier, Antoine Laurent
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