97 résultats pour "salta"

• Avec SALT 1 et SALT II, l'Union soviétique et les États-Unis acceptent de limiter leurs armes stratégiques

  j l rééq uilibrage à l'Oue st en matièr e d'armes nucléaires de moyenne portée. Au bout de longues discussions au sein de l'all ianc e occ identale, l'URSS est confrontée le 12 décembre 1979 à une position occidenta le clair e sous la forme d'une double résolution : au cas où les négociations sur le démantèlement des ar mes sovié tiques à moye nne portée (l ntermedia te Nuclear Forces, INF) n'aur aient pas lieu ou échou eraient, l'O TAN moderniserait...

• Salt Lake City - geography.

  Mormon Temple, Salt Lake CitySalt Lake City is the contemporary center of the Mormon church, officially The Church of Jesus Christ of Latter-day Saints. The city’sTemple Square contains the impressive Mormon Temple, shown here. The temple was completed in 1893 after 40 years ofconstruction. Its six towers rise about 67 m (about 220 ft) in the air.Tom Dietrich/ALLSTOCK, INC. Salt Lake City has been at the forefront of education in Utah since 1850, when the University of Deseret was founded. Renam...

• Salt Lake City - geography.

  adding a runway to the city’s airport. V GOVERNMENT Salt Lake City is governed by a mayor and a seven-member council, which is presided over by a chair. Voters elect each of these officials to four-year terms. Salt LakeCounty is governed by a county mayor elected to a four-year term and a nine-member county council. Council members—six elected from districts and three elected at-large—serve terms ranging from two to six years. The Utah Transit Authority, located in Salt Lake City, oversees publ...

• Salta.

• SALT (accords)

• Négociation sur la limitation des armes stratégiques [SALT] - relations internationales.

  reprise du dialogue, lequel débouche sur la signature du traité FNI (forces américaines et soviétiques de portée intermédiaire) en décembre 1987. Les négociations sepoursuivent après l'élection de George Bush à la présidence des États-Unis en 1988. En juillet 1991 est signé avec Mikhaïl Gorbatchev le traité START I, qui prévoit la réduction des têtes nucléaires de 25 p. 100 environ. Ce traité n’est pas totalement appliquéavant 1993, date de sa ratification par le Parlement ukrainien. En janvier...

• Le papyrus Salt 825

  compose d'une série de notes, parfois obscures, relatives à un rituel. Il ne s'agit pas à pro­ prement parler d'un manuel sacerdotal utilisé dans un temple, mais plutôt d'une col­ lection de fragments d'une cérémonie particulière. Il est rédigé dans un hiératique de type liturgique, c'est-à-dire soigné, langue volontaire­ ment archaïsante qui est le plus souvent utilisée dans les textes religieux et magiques. Le document, qui prés...

• Article de presse: Les limites de SALT 2

• SALT (Strategic Arms Limitation Talks) [« Négociations sur la limitation des armes stratégiques »], négociations poursuivies par les États-Unis et l'URSS à partir de 1969 afin de parvenir à une limitation des armes nucléaires stratégiques, c'est-à-dire à longue portée.

• Salt Lake City.

• Water - chemistry.

  flourides in drinking water has been found to reduce tooth decay. See Fluorine. Seawater contains, in addition to concentrated amounts of sodium chloride, or salt, many other soluble compounds, as the impure waters of rivers and streams areconstantly feeding the oceans. At the same time, pure water is continually lost by the process of evaporation, and as a result the proportion of the impurities that givethe oceans their saline character is increased. See Ocean and Oceanography. VII WATER...

• Arizona - geography.

  of the Mogollon Rim, the Little Colorado draws very little water from a relatively large watershed, usually containing a mere trickle of water in its riverbed. The ColoradoRiver’s principal tributary is the Gila River, which flows all the way across the southern part of the state from New Mexico to the California border. From the mountainsand plateaus of central Arizona, the Gila River receives the Salt, Agua Fria, and Hassayampa rivers. The Salt River is itself fed by the Verde River. The Gila...

• Arizona - USA History.

  of the Mogollon Rim, the Little Colorado draws very little water from a relatively large watershed, usually containing a mere trickle of water in its riverbed. The ColoradoRiver’s principal tributary is the Gila River, which flows all the way across the southern part of the state from New Mexico to the California border. From the mountainsand plateaus of central Arizona, the Gila River receives the Salt, Agua Fria, and Hassayampa rivers. The Salt River is itself fed by the Verde River. The Gila...

• Phoenix (city, Arizona) - geography.

  The company’s irrigation system followed the network of canals that were built there by the Hohokam some 500 years earlier. In October 1870, several settlers foundedthe site of modern Phoenix. In recognition of the former Hohokam culture, settler Darrell Duppa likened the new community to the phoenix, a mythological bird thatconsumed itself by fire every 500 years and arose anew from the ashes. Thereafter, the group adopted Phoenix as the settlement’s name. Within a short time the areawas produc...

• Colorado (river, North America) - Geography.

  sometime between AD 1300 and 1400, but their descendants, the Hopi and Pueblo people, continue to farm and irrigate using the river's waters. The first European to visit the river was probably Spanish soldier and explorer Francisco de Ulloa, who explored the mouth of the Colorado in 1539. In 1540 and 1541another Spaniard, Francisco Vásquez de Coronado, traveled through much of the region around the Colorado River. An exploring party from the Coronado expedition,led by Garcia López de Cárdenas,...

• Utah - geography.

  Temperatures decrease from the south to the north in the state. In the mountains the average temperature drops about 0.5°C (about 1°F) for every about 300 m(about 1,000 ft) rise in elevation. Average July temperatures range from less than 16°C (60°F) in the mountains to more than 27°C (80°F) in a few locations insouthern Utah. At Salt Lake City average July temperatures range from a low of 18°C (64°F) to a high of 33°C (92°F). There is a great variation between daytime andnighttime temperatures,...

• Utah - USA History.

  Temperatures decrease from the south to the north in the state. In the mountains the average temperature drops about 0.5°C (about 1°F) for every about 300 m(about 1,000 ft) rise in elevation. Average July temperatures range from less than 16°C (60°F) in the mountains to more than 27°C (80°F) in a few locations insouthern Utah. At Salt Lake City average July temperatures range from a low of 18°C (64°F) to a high of 33°C (92°F). There is a great variation between daytime andnighttime temperatures,...

• Ocean and Oceanography.

  of sediment. When studied in sedimentary core samples, which can represent many millions of years of deposits, they provide a detailed and continuous history of theearth’s environmental changes. The record is particularly informative for the most recent 2 million to 5 million years, during which major fluctuations in global climatehave occurred. Successive ice ages can be traced by the relative scarcity or abundance of the shells of warm-water and cold-water diatoms in various layers of asedimen...

• Ocean and Oceanography - Geography.

  of sediment. When studied in sedimentary core samples, which can represent many millions of years of deposits, they provide a detailed and continuous history of theearth’s environmental changes. The record is particularly informative for the most recent 2 million to 5 million years, during which major fluctuations in global climatehave occurred. Successive ice ages can be traced by the relative scarcity or abundance of the shells of warm-water and cold-water diatoms in various layers of asedimen...

• Australia - country.

  itself forms most of the border between New South Wales and Victoria. Considerable lengths of the Murray, Darling, and Murrumbidgee rivers are navigable during thewet seasons. The central plains region, also known as the Channel Country, is interlaced by a network of rivers. During the rainy season these rivers flood the low-lying countryside,but in dry months they become merely a series of water holes. The Victoria, Daly, and Roper rivers drain a section of the Northern Territory. In Queensland...

• Australia - Geography.

  itself forms most of the border between New South Wales and Victoria. Considerable lengths of the Murray, Darling, and Murrumbidgee rivers are navigable during thewet seasons. The central plains region, also known as the Channel Country, is interlaced by a network of rivers. During the rainy season these rivers flood the low-lying countryside,but in dry months they become merely a series of water holes. The Victoria, Daly, and Roper rivers drain a section of the Northern Territory. In Queensland...

• Wetland.

  Other plants and animals have special adaptations suited for living in a wet environment. Most emergent plants have air spaces in their stems that enable oxygen to betransported to roots that grow in sediments with no oxygen. Some of the trees that grow in swamps form a set of roots above the soil surface or above the water thatallows them to get oxygen to the lower roots. In saltwater wetlands, specialized cells can limit the amount of salt that enters a plant, or specialized organs can excrete...

• 1979 Carter et Brejnev signent l'accord SALT II (Photographie)

• Uzbekistan - country.

  E Environmental Issues The evaporation of the Aral Sea is one of the worst ecological disasters in the world. The Aral has shrunk so much that it now holds only about one-fifth the volume ofwater it held in 1960. The shrinkage is due to irrigation withdrawals from the Amu Darya and Syr Darya, a practice that began on a massive scale in the early 1960s aspart of the Soviet Union’s ill-conceived drive to increase cotton yields in Central Asia. Growing cotton in the naturally arid and saline soil...

• China - country.

  North China lies between the Mongolian Steppe on the north and the Yangtze River Basin on the south. It stretches west from the Bo Hai gulf and the Yellow Sea to theeastern edge of the Tibetan Plateau. Administratively, North China includes Beijing and Tianjin municipalities; Shandong and Shanxi provinces; most of Hebei, Henan,and Shaanxi provinces; and portions of Ningxia Hui Autonomous Region and of Jiangsu, Anhui, and Gansu provinces. Humans have lived in the agriculturally rich region of Nor...

• History of Chemistry - chemistry.

  even better distillation apparatus than the Arabs had made and to condense the more volatile products of distillation. Among the important products obtained in thisway were alcohol and the mineral acids: nitric, aqua regia (a mixture of nitric and hydrochloric), sulfuric, and hydrochloric. Many new reactions could be carried outusing these powerful reagents. Word of the Chinese discovery of nitrates and the manufacture of gunpowder also came to the West through the Arabs. The Chinese atfirst use...

• Afghanistan - country.

  D Climate Most of Afghanistan has a subarctic mountain climate with dry and cold winters, except for the lowlands, which have arid and semiarid climates. In the mountains and afew of the valleys bordering Pakistan, a fringe effect of the Indian monsoon, coming usually from the southeast, brings moist maritime tropical air in summer.Afghanistan has clearly defined seasons: Summers are hot and winters can be bitterly cold. Summer temperatures as high as 49°C (120°F) have been recorded in thenorth...

• Borzage Frank, 1893-1962, né à Salt Lake City, cinéaste américain.

• Borzage (Frank) Metteur en scène de cinéma américain (Salt Lake City, 1893 - Hollywood, 1963).

• Concepts

  suggested that concept possession need not consist in knowing a definition, but in appreciating the role of a concept in thought and practice. Moreover, he claimed, a concept need not apply to things by virtue of some closed set of features captured by a definition, but rather by virtue of ‘family resemblances' among the things, a suggestion that has given rise in psychology to ‘prototype' theories of concepts. Most traditional approaches to possession conditions have been concerned with t...

• Phoenix (city, Arizona) - geography.

  alfalfa, durum wheat, vegetables, citrus and other fruits, and beef and dairy cattle. The health service industry is a large and growing part of the city’s economy. United States State Capitals© Microsoft Corporation. All Rights Reserved. Phoenix is served by interstate highways 10 and 17, the Southern Pacific and the Burlington Northern Santa Fe railroads, and Sky Harbor International Airport. In its early years, Phoenix became popular as a haven for winter visitors from North America’s colder...

• ARGENTINE.

  Les aspects humains. L'Argentine est une nation d'immigrants. Entre 1870 et 1930, 6 millions d'Européens (Espagnols, Italiens, juifs) vinrent s'installer dans un pays qui ne comptait alors que 2 millions d'Espagnols, d'Amérindiens et de métis. Par ailleurs, dans un pays à vocation agricole, la population est urbaine à près de 90 %, groupée pour un tiers dans la capitale et ses banlieues (11,6 millions d'habitants). Enfin – évolution singulière sur un continent jeune –, la population argentine vi...

• Chemical Analysis - chemistry.

  inorganic reactions than by organic functional group chemistry. VII SPECTROSCOPIC TECHNIQUES Spectroscopy, or the study of the interactions of electromagnetic radiation with matter, is the largest and most nearly accurate class of instrumental methods used inchemical analysis and indeed in all of chemistry ( see Spectroscopy; Spectrum). The electromagnetic radiation (emr) spectrum is divided into the following wavelength regions: X ray, ultraviolet, visible, infrared, microwave, and radiowave....

• Circulatory System.

  C Additional Functions In addition to oxygen, the circulatory system also transports nutrients derived from digested food to the body. These nutrients enter the bloodstream by passingthrough the walls of the intestine. The nutrients are absorbed through a network of capillaries and veins that drain the intestines, called the hepatic portal circulation.The hepatic portal circulation carries the nutrients to the liver for further metabolic processing. The liver stores a variety of substances, suc...

• Pollution.

  One of the greatest challenges caused by air pollution is global warming, an increase in Earth’s temperature due to the buildup of certain atmospheric gases such ascarbon dioxide. With the heavy use of fossil fuels in the 20th century, atmospheric concentrations of carbon dioxide have risen dramatically. Carbon dioxide and othergases, known as greenhouse gases, reduce the escape of heat from the planet without blocking radiation coming from the Sun. Because of this greenhouse effect,average glob...

• Earth (planet).

  Milky Way to complete one revolution around the Galaxy’s center. Earth’s axis of rotation is inclined (tilted) 23.5° relative to its plane of revolution around the Sun. This inclination of the axis creates the seasons and causes the height of the Sun in the sky at noon to increase and decrease as the seasons change. The Northern Hemisphere receives the most energy from the Sun when it is tiltedtoward the Sun. This orientation corresponds to summer in the Northern Hemisphere and winter in the S...

• Earth (planet) - astronomy.

  Milky Way to complete one revolution around the Galaxy’s center. Earth’s axis of rotation is inclined (tilted) 23.5° relative to its plane of revolution around the Sun. This inclination of the axis creates the seasons and causes the height of the Sun in the sky at noon to increase and decrease as the seasons change. The Northern Hemisphere receives the most energy from the Sun when it is tiltedtoward the Sun. This orientation corresponds to summer in the Northern Hemisphere and winter in the S...

• Desert - geography.

  irrigation from rivers or wells. Such transformations of deserts are not without problems. Evaporation of the irrigation water results in the accumulation of salt on thesurface soil, eventually rendering it useless for further crop production. By tapping reservoirs of fossil water deep beneath the desert, humans are, in effect, miningwater. Once this water is gone, it is irreplaceable. Burning and overgrazing of semiarid lands on the periphery of deserts can irreversibly damage the plants thatco...

• Desert - Geography.

  irrigation from rivers or wells. Such transformations of deserts are not without problems. Evaporation of the irrigation water results in the accumulation of salt on thesurface soil, eventually rendering it useless for further crop production. By tapping reservoirs of fossil water deep beneath the desert, humans are, in effect, miningwater. Once this water is gone, it is irreplaceable. Burning and overgrazing of semiarid lands on the periphery of deserts can irreversibly damage the plants thatco...

• Inorganic Chemistry - chemistry.

  two electrically charged plates (positively charged top plate and negatively charged bottom plate). By measuring the difference in how fast these electron-laden oildrops fell when the metal plates were charged and uncharged, Millikan was able to calculate the total charge on each oil drop. Because each measurement was a wholenumber multiple of -1.60 × 10 -19 coulombs, Millikan concluded this was the charge carried by a single electron. Using Thomson’s electron charge-to-mass ratio, Millikan then...

• Louisiana - geography.

  lakes are on the Red River and its tributaries. In addition, small oxbow lakes are numerous in the Mississippi Alluvial Plain. Oxbow lakes are formed when a river cutsthrough the neck of one of its loops, or meanders, thus establishing a shorter course and leaving the former loop as a lake separate from the river. Louisiana also hassome artificially created reservoirs. C Coastline Louisiana’s long and irregular coastline extends along the Gulf of Mexico from the Pearl River on the east to the S...

• Louisiana - USA History.

  lakes are on the Red River and its tributaries. In addition, small oxbow lakes are numerous in the Mississippi Alluvial Plain. Oxbow lakes are formed when a river cutsthrough the neck of one of its loops, or meanders, thus establishing a shorter course and leaving the former loop as a lake separate from the river. Louisiana also hassome artificially created reservoirs. C Coastline Louisiana’s long and irregular coastline extends along the Gulf of Mexico from the Pearl River on the east to the S...

• Aménagement de la puissance des vagues

  i ~ convient de maintenir un équilibre délicat entre le volu­ me des vagues utilisées et le volume -et, par conséquent, la solidité -de la machine mise en oeuvre. Ainsi, il n'est pas indispensable d-'ancrer profondément une mac-hine loin du rivage, pour qu'elle puisse recueillir l'énorme puissance produite par des vagues dues à une tempête. La structure de la machine et son ancrage devront être massifs pour résister aux chocs continus,...

• Hic Rhodus, hic salta

  Hic Rhodus, hic salta Voici Rhodes, c'est ici qu'U faut sauter li s'agit de la fo1111~ médio-latine (Walther 10908)- encore utilisée parfois - d'un proverbe qui se moque des sottes vantardises, en reprenant une anecdote présente dans la tradition ésopique (33 Hausrath): un lànfaron. de retour dans sa patrie après un long voyage, fait un récit avantageux de ses prétendues aventures en h-11e étangère, et se vante entre autres d'avoir réussi à Rhodes (île connue pour la fierté de ses habitan...

• Fishing.

  directly to the spool and turns the spool one rotation at a time. C Fishing Lines Fishing lines serve as the link between the angler’s reel and the lure or bait. The most popular line used for sportfishing is monofilament nylon line, which is strong anddurable and has a certain amount of stretch, which helps when an angler sets the hook. The line comes in a variety of strengths, from 2-pound test to more than 100-pound test. (Pound test is the amount of pressure that can be put on a line before...

• Argentina - country.

  Patagonia lies in the rain shadow of the Andes and so receives little moisture. As a result it is used primarily for grazing sheep, although some crops are grown on smallfarms in irrigated valleys. Several major oil fields also are in Patagonia. At the southern tip of Patagonia is Tierra del Fuego, a large mountainous island shared byArgentina and Chile. B Rivers and Lakes Most of Argentina’s rivers empty into the Atlantic Ocean. Three rivers—the Paraná, Paraguay, and Uruguay—flow generally sou...

• New Mexico - geography.

  New Mexico’s major river is the Río Grande, originating in southern Colorado, and flowing southward for 760 km (470 mi) through the state. Between the San LuisValley and Española Valley the river flows in a deep canyon known as the Río Grande Gorge; then, below White Rock Canyon, it flows through several valleys containingagricultural land. Most of the water of the Río Grande is used to irrigate these valleys. The Río Grande’s waterflow in New Mexico is extremely low. One of the major tributarie...

• New Mexico - USA History.

  New Mexico’s major river is the Río Grande, originating in southern Colorado, and flowing southward for 760 km (470 mi) through the state. Between the San LuisValley and Española Valley the river flows in a deep canyon known as the Río Grande Gorge; then, below White Rock Canyon, it flows through several valleys containingagricultural land. Most of the water of the Río Grande is used to irrigate these valleys. The Río Grande’s waterflow in New Mexico is extremely low. One of the major tributarie...

• Des tombeaux pillés

  la montagne thébaine, les pilleurs s'activent plus que ja­ mais. Les archéologues ont retrouvé par dizaines les compte rendus de procès in­ tentés aux pilleurs profes­ sionnels pris la main dans le sac, mais également aux ou­ vriers et aux fonctionnaires travaillant pour la nécropole et participant d'une manière ou d'une autre aux pillages. Dénués de scrupules, les pilleurs vont droit au but, c'est-à-dire aux sarcophages roy...

• Mythology I INTRODUCTION Mythology, the body of myths of a particular culture, and the study and interpretation of such myths.

  usually define a myth as a story that has compelling drama and deals with basic elements and assumptions of a culture. Myths explain, for example, how the worldbegan; how humans and animals came into being; how certain customs, gestures, or forms of human activity originated; and how the divine and human worlds interact.Many myths take place at a time before the world as human beings know it came into being. Because myth-making often involves gods, other supernatural beings, andprocesses beyond...