1439 résultats pour "centralité"

• Tajikistan - country.

  by more than 100 percent due to a high birth rate and improvements in medical care. During the early 1990s, however, the growth rate began to decline due to civilwar and emigration. A Ethnic Groups and Languages Tajiks constitute the largest ethnic group in Tajikistan, making up about 65 percent of the population. The peoples who live in Gorno-Badakhshan, located in the Pamirs,are classified as Tajiks, although their languages and customs are distinct. The largest minority group in the country...

• Mesoamerica.

  for cooking. In other regions, the earliest ceramics are more sophisticated technically and aesthetically. At around 1800 BC in the Pacific coastal region of Soconusco (in what is now southeastern Chiapas State, Mexico), the earliest pottery was very complex both in forms and decoration. It seems to have had a social function and beenused primarily for ritual feasting. III MAJOR CIVILIZATIONS Over a period of 3000 years, beginning in about 1500 BC, a number of important cultures emerged in M...

• Kazakhstan - country.

  mismanagement. Between 1949 and 1991 the Soviet government conducted about 70 percent of all of its nuclear testing in Kazakhstan, mostly in the northeastern area near the city ofSemipalatinsk (now Semey). Nearly 500 nuclear explosions occurred both above and below ground near Semipalatinsk, while more than 40 nuclear detonationsoccurred at other testing grounds in western Kazakhstan and in the Qyzylqum desert. More than 1 million of Kazakhstan’s inhabitants were exposed to dangerous levelsof ra...

• Alberta - Geography.

  C Climate Except for the mountain areas, summers throughout the province are quite warm. Winters are long and extremely cold. In July, average daily temperatures range fromabout 16°C (about 60°F) along the northern boundary to about 21°C (about 70°F) in the south. In the extreme southeastern section of the province, temperatures of43°C (110°F) have been recorded. In January, average daily temperatures range from about -14°C (about 6°F) at Grande Prairie to about -9°C (about 16°F) atCalgary. Tem...

• Alberta - Canadian History.

  C Climate Except for the mountain areas, summers throughout the province are quite warm. Winters are long and extremely cold. In July, average daily temperatures range fromabout 16°C (about 60°F) along the northern boundary to about 21°C (about 70°F) in the south. In the extreme southeastern section of the province, temperatures of43°C (110°F) have been recorded. In January, average daily temperatures range from about -14°C (about 6°F) at Grande Prairie to about -9°C (about 16°F) atCalgary. Tem...

• Labor Unions in Canada - Canadian History.

  job. Before collective bargaining begins, workers elect a bargaining committee. The bargaining committee determines the workers’ demands and strategy innegotiations with the employer. Local unions usually are part of national or international unions. These national and international unions employ a staff for organizing workers at the local level, doingresearch, educating union members about labor and political matters, and working with local union leaders. Unions hold regular conventions of dele...

• Les pays d'Amérique Centrale

  Economie: Les principales ressources économiques du Belize sont le bois (un quart des exportations), la canne à su­ cre, les agrumes et les produits de la pê­ che. L'exploitation du bois est basée s ur les bois tropicaux et les résineux qui fournissent le chicle (gomme). Les in­ dustries se limitent à quelque s conserve­ ries et sucreries. HONDURAS Superficie: 112 088 km' Population: 2 900 000 hab . Capitale: Tegucigalpa Langue: espagnol Religion:...

• Japan - country.

  island’s fertile soils support agriculture and provide the vast majority of Japan’s pasturelands. In addition, Hokkaidō contains coal deposits, and the cold currents off itsshores supply cold-water fish. Winters are long and harsh, so most of Hokkaid ō is lightly settled, housing about 5 percent of Japan’s population on approximately 20 percent of its land area. However,its snowy winters and unspoiled natural beauty attract many skiers and tourists. Hokkaid ō is thought of as Japan’s northern fr...

• United Kingdom - country.

  B Natural Regions and Topography The island of Great Britain can be divided into two major natural regions—the highland zone and the lowland zone. The highland zone is an area of high hills andmountains in the north and west. The lowland zone in the south and east consists mostly of rolling plains. The zones are divided by an imaginary line running throughEngland from the River Exe on the southwest coast to the mouth of the River Tees on the northeast coast. The lowland zone has a milder climat...

• jardins, histoire des - architecture.

  Turquie (v. 1580), le platane, de Perse, via le sud-est de l'Europe (v. 1582), la pomme de terre, d'Amérique du Sud (1585), le yucca, d'Amérique centrale (1593), le tournesol, d'Amérique du Nord occidentale, via l'Espagne (av. 1597), la capucine, d'Amérique du Sud (av. 1597), le marron d'Inde, des Balkans (av. 1616), la passiflore, d'Amérique centrale (av. 1629), la vigne vierge, d'Amérique du Nord (1637), le pois de senteur, de la Sicile (1699). Pour l'Angleterre du XVI e siècle, on parle...

• police, n.

  de l'identité judiciaire, rattaché à la Direction de la police judiciaire, et dix-neuf services extérieurs (Direction de la PJ de Paris et dix-huit services régionaux de police judiciaire, SRPJ). La Direction centrale de la sécurité publique (DCSP) comprend trois sous-directions. Elle a des missions de police administrative (par exemple, en ce qui concerne la circulation routière), lutte contre la délinquance et la toxicomanie, et mène une action préventive. La Direction centrale des rensei...

• bouddhiques, monuments - architecture.

  centrale, mêlées en un style homogène d’une grande beauté. Des nombreux stupas et monastères du Gandhara — comme ceux de Taxila, de Peshawar et de Hadda — au décor sculpté, stuqué ou modelé et peint, il ne subsiste aujourd’hui que des ruines. Du Ier au IVe siècle, le dôme hémisphérique du stupa s’allonge ; les soubassements carrés, le tambour et les parasols se multiplient, puis les tambours et le dôme s’unifient en une tour cylindrique. Essentiellement de plan indien, le monastère présente c...

• Asia - geography.

  the Himalayas, the world’s highest mountain system. The Pacific Ocean plate drifted westward, scraping along the Eurasian plate and slipping under its coastal edge. This created the islands of Japan, Taiwan, the Kurils, theRyūky ūs, and the Philippines. Southeast Asia lies at the intersection of the Eurasian, Pacific Ocean, and Indian Ocean plates. Over time the contact between these platescreated the mountain ranges of mainland Southeast Asia. The continued slow movement of the plates causes fr...

• Asia - history.

  the Himalayas, the world’s highest mountain system. The Pacific Ocean plate drifted westward, scraping along the Eurasian plate and slipping under its coastal edge. This created the islands of Japan, Taiwan, the Kurils, theRyūky ūs, and the Philippines. Southeast Asia lies at the intersection of the Eurasian, Pacific Ocean, and Indian Ocean plates. Over time the contact between these platescreated the mountain ranges of mainland Southeast Asia. The continued slow movement of the plates causes fr...

• Turkmenistan - country.

  A Ethnic Groups With Turkmens constituting 77 percent of the population, Turkmenistan is the most ethnically homogeneous of the Central Asian republics. Uzbeks make up the largestminority group, with about 9 percent of the population. Other ethnic groups include Russians, Kazakhs, Tatars, Ukrainians, Azeris (ethnic Azerbaijanis), Armenians, andBaluch. In 1993 a bilateral treaty between Turkmenistan and Russia granted dual citizenship to Russians in the republic. At the 1995 census Russians cons...

• Sistema nervioso - ciencias de la naturaleza.

  de organismos. En los animales simples, como los cnidarios, las células nerviosas forman una red capaz de mediar respuestas estereotipadas. En los animales máscomplejos, como crustáceos, insectos y arañas, el sistema nervioso es más complicado. Los cuerpos celulares de las neuronas están organizados en grupos llamadosganglios, que se interconectan entre sí formando las cadenas ganglionares. Estas cadenas están presentes en todos los vertebrados, en los que representan una parteespecial del siste...

• Indiana - geography.

  Michigan in Michigan. There are about 1,000 small natural lakes in Indiana, chiefly in the northern part of the state. The largest is Lake Wawasee, which covers almost 13 sq km (5 sq mi). Inthe central part of the state there are several lakes that were created behind dams on a number of smaller streams. They include Monroe Lake, near Bloomington; Geistand Eagle Creek reservoirs, northeast and northwest of Indianapolis; and Mississinewa and Huntington reservoirs, north of Marion. C Climate Most...

• Indiana - USA History.

  Michigan in Michigan. There are about 1,000 small natural lakes in Indiana, chiefly in the northern part of the state. The largest is Lake Wawasee, which covers almost 13 sq km (5 sq mi). Inthe central part of the state there are several lakes that were created behind dams on a number of smaller streams. They include Monroe Lake, near Bloomington; Geistand Eagle Creek reservoirs, northeast and northwest of Indianapolis; and Mississinewa and Huntington reservoirs, north of Marion. C Climate Most...

• réacteur.

  catalyse endothermique (réaction) polymérisation Les livres réacteur chimique, page 4248, volume 8 3. INDUSTRIE NUCLÉAIRE : appareil dans lequel se déroulent des réactions de fission. Les réacteurs nucléaires à neutrons lents ralentissent les neutrons émis au cours de la fission par l'emploi d'un produit modérateur. Autrefois, le ralentissement des neutrons et l'extraction de la chaleur produite par la réaction étaient deux fonctions séparées (premier réacteur français de puissa...

• Assyria - USA History.

  villages and cities were ransacked and razed, but no attempt was made to annex their territories. In the course of time this pattern of conquest changed, and the Assyrian rulers began to make Assyria the center of a new empire by incorporating the conquered landsinto their domain, although probably not according to a conscious plan. Toward the end of the 10th century BC, for example, Adad-nirari II annexed the Aramaean state centering on Nisibis, east of the Habur River. His son, Tukulti-Ninurt...

• North America - Geography.

  D Climate Although North America has considerable climatic variety, five principal climatic regions can be identified. The northern two-thirds of Canada and Alaska, as well as all ofGreenland, have subarctic and arctic climates, in which long, dark, bitterly cold winters alternate with brief, mild summers. Most of the region, which receives relativelylittle precipitation, is covered with snow and ice during much of the year. A second climatic region is made up of the eastern two-thirds of the U...

• Chile - country.

  D Plant and Animal Life The indigenous plant life of Chile varies according to climatic zone. Plant life in the northern region includes brambles and cactus and has little variety. Here, theAtacama provides one of the best examples on Earth of an absolute desert. The more humid Central Valley supports several species of cacti, espino (a thorny shrub),grasses, and the Chilean pine, which bears edible nuts. Dense rain forests are located south of Valdivia with laurel, magnolia, false beech, and v...

• Tennessee (state) - geography.

  The climate of Tennessee is characterized by hot summers, mild winters, and abundant rainfall. C1 Temperature Average July temperatures range from less than 21° C (70° F) in the Blue Ridge region to 27° C (80° F) at Nashville and Memphis. Maximum daytime temperatures insummer often rise above 35° C (95° F) in central and western Tennessee. Daytime temperatures in the mountains rarely rise above 32° C (90° F). Summer nights tendto be warm and muggy in central and western Tennessee, but temperatu...

• Tennessee (state) - USA History.

  The climate of Tennessee is characterized by hot summers, mild winters, and abundant rainfall. C1 Temperature Average July temperatures range from less than 21° C (70° F) in the Blue Ridge region to 27° C (80° F) at Nashville and Memphis. Maximum daytime temperatures insummer often rise above 35° C (95° F) in central and western Tennessee. Daytime temperatures in the mountains rarely rise above 32° C (90° F). Summer nights tendto be warm and muggy in central and western Tennessee, but temperatu...

• Turkey - country.

  has a general elevation of 900 to 1,500 m (3,000 to 5,000 ft) above sea level. The eastern highlands region is the most mountainous and rugged portion of Turkey; Mount Ararat (Ağrı Da ğı) is the highest peak in the country at 5,165 m (16,945ft). Many Christians and Jews believe it to be the same Mount Ararat mentioned in the Bible as the place where Noah’s ark came to rest. The eastern highlands are thesource for both the Tigris (Dicle) and Euphrates (Fir āt)—two of southwestern Asia’s principal...

• 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...

• Iraq - country.

  The Euphrates begins in Turkey, crosses Syria, and enters Iraq at Abū Kam āl. The flow of the Euphrates into Iraq has been greatly reduced by dams built by Turkeyand Syria. The gradient of the Euphrates above the town of H īt, in west central Iraq, is steep. In the 2,640 km (1,640 mi) from its source in Turkey to H īt, the river fallsfrom 3,000 m (10,000 ft) to a low water elevation of 50 m (170 ft) above sea level, an average drop of 1 m per km (6 ft per mi). In Iraq below H īt the fall is very...

• Republic of Indonesia - country.

  Mahakam in East Kalimantan and the Martapura and Barito in South Kalimantan. Most of these rivers originate in the island’s central massif (mountain mass) and meander through extensive swamps as they approach the coast. Settlements such as Samarinda and Banjarmasin cluster along the rivers, which serve ascommunication routes into the interior. The largest rivers on Sumatra drain from west to east into the Strait of Malacca. In the north, the Asahan River once linked trade between the Batak peo...

• AMERIQUE DU NORD.

  Appalaches Coast Ranges Grands Lacs Madre (sierra) McKinley (mont) Mexique (golfe du) Mississippi Nevada (Sierra) Prairie (la) Rocheuses (montagnes) Les livres carte géologique, page 196, volume 1 Amérique du Nord - le Grand Canyon, page 197, volume 1 Amérique du Nord - le mont McKinley (6 194 m), page 202, volume 1 Les milieux climatiques et végétaux. L'Amérique du Nord se situe dans les zones froides, tempérées et subtropicales, mais la répartition zonale est fortement modifié...

• Irak - geografía.

  a otras, localizándose las mayores concentraciones junto a los sistemas fluviales. La población urbana es del 67% aproximadamente. 3.2 Divisiones administrativas El territorio de Irak está dividido en 18 gobernaciones, tres de las cuales constituyen regiones autónomas kurdas. Cada gobernación está regida por un gobernadordesignado por el gobierno central. Irak se anexionó y ocupó Kuwait entre agosto de 1990 y febrero de 1991, convirtiéndose en su decimonovena gobernación. 3.3 Ciudades principal...

• Orthodox Church.

  formally defined by an ecumenical council, as it was in Catholicism, some Orthodox theologians have taught that the act of becoming a monk or the service of burial canalso be sacraments. The sacramental practice of the Orthodox differs in many details from Western customs. Baptism is administered by immersing the child or adult three times under thewater, each time in the name of one of the persons of the Trinity. It is followed immediately by anointment with chrism, a sacred perfumed oil that r...

• BCE (Banque centrale européenne)

• Costa Rica.

  Histoire. La côte orientale du Costa Ríca fut découverte par Christophe Colomb en 1502. Juan Vásquez de Coronado, fondateur de Cartago, lança une originale colonisation d'altitude, mais les assauts des flibustiers amenèrent les Espagnols à s'implanter plutôt sur le littoral pacifique. Ils rattachèrent ce territoire à la capitainerie de Guatemala. En 1821, le Costa Rica se libéra de la domination espagnole. En 1823, se séparant du Mexique dans lequel il était intégré, le pays adhéra (jusqu'en 183...

• Les vingt et une conditions d'adhésion à la IIIe Internationale.

  XILes partis qui veulent appartenir à la III e Internationale sont tenus de soumettre à une révision la composition des groupes parlementaires, d’en expulser les éléments douteux, de soumettre ces fractions, pas seulement en paroles, mais en fait, aux conseils généraux des partis, en même temps qu’il sera exigé de tout parlementairecommuniste qu’il puisse soumettre toute son activité aux intérêts d’une propagande et d’une agitation vraiment révolutionnaire. XIILes partis appartenant à l’Internat...

• Lima (Peru) - geography.

  home to a wide range of museums, many focusing on Peru’s indigenous heritage. These include the National Museum of Anthropology and Archaeology, the GoldMuseum of Peru, the Museum of the Central Reserve Bank, and the Rafael Larco Herrera Museum, which specializes in pre-Hispanic ceramics. Art and history museumsare also found in metropolitan Lima, including the National Museum of the Republic, the Museum of Peruvian Culture, and the Museum of the Inquisition, in the buildingwhere colonial Cathol...

• LE MASSIF CENTRAL (géographie) + cartes

  LE MASSIF CENTRAL 14 POINTS ESSENTIELS 1 que VOUS DEVEZ CONNAITRE: 1. LE PLUS ÉTENDU (1/6 DE LA FRANCE) LE PLUS ÉLEVÉ ET LE PLUS COMPLEXE DES MASSIFS ANCIENS 2. UN ENSEMBLE DE PAYS PAUVRES SOUS UN CLIMAT GÉNÉRALEMENT RUDE 3· UN • POLE DE RÉPULSION • ÉCONOMIQUE ET DÉMOGRAPHIQUE 4• QUATRE ASPECTS RÉGIONAUX j s QUESTIONS D'ORIENTATION 1 I, Le Massif Central présente à la fois des massifs cristallins, des montagnes volcaniques...

• Cell (biology) - biology.

  proteins, or other proteins required by the cell. While relatively simple in construction, prokaryotic cells display extremely complex activity. They have a greater range of biochemical reactions than those found in theirlarger relatives, the eukaryotic cells. The extraordinary biochemical diversity of prokaryotic cells is manifested in the wide-ranging lifestyles of the archaebacteria andthe bacteria, whose habitats include polar ice, deserts, and hydrothermal vents—deep regions of the ocean un...

• Costa Rica (república) - geografía.

  Cordillera Central, Costa RicaVista de este conjunto montañoso ubicado en el límite nororiental de la provincia costarricense de San José, en la confluencia con lade Cartago.Andre Gallant El río principal de Costa Rica es el San Juan, que establece la frontera septentrional con Nicaragua. De la vertiente del Caribe son también los ríos Reventazón-Parismina,Pacuare, Colorado y Sarapiquí. A la vertiente del Pacífico pertenecen los ríos Tempisque y Corobicí. En la zona del Parque nacional Tortuguer...

• La gare centrale de New York

  que l’armature en fer ne coïncide pas avec l’abandon de ces modèles. Ce n’est que progressivement qu’au cours des années suivantes, une architecture moderne se met en place. 2

• chauffage, ventilation et climatisation.

  chauffage à la vapeur fut inventé vers 1850. 2.2. 1 Principe Les systèmes de chauffage central fournissent de la chaleur à partir d'une ou de plusieurs chaudières à un seul bâtiment ou à un groupe d'habitations. Le terme chauffage urbain s'applique aux systèmes dans lesquels un grand nombre d'immeubles sont alimentés en vapeur par une salle de chaudières centrale gérée par un service public. La chaleur est véhiculée par la vapeur d'eau, l'eau chaude ou l'air (fluides caloporteurs), par effet de...

• Costa Rica - country.

  protection from future deforestation is not guaranteed. Deforestation places Costa Rica’s rich biodiversity in danger. The country’s location on the cusp between Northand South America and its abundance of tropical forests make it home to a great variety of species, many of them rare and threatened. Deforestation also contributesto the country’s problematic rate of soil erosion. Costa Rica is party to international treaties concerning biodiversity, climate change ( see Global Warming), endangere...

• Les peuples des steppes de l'Asie centrale

• Slavery in Africa.

  The spread of Islam from Arabia into Africa after the religion’s founding in the 7th century AD affected the practice of slavery and slave trading in West, Central, and East Africa. Arabs had practiced slave raiding and trading in Arabia for centuries prior to the founding of Islam, and slavery became a component of Islamic traditions.Both the Qur'an (Koran) (the sacred scripture of Islam) and Islamic religious law served to codify and justify the existence of slavery. As Muslim Arabs conquered...

• Autriche. Vienne, le Café central.

• El Salvador - country.

  III PEOPLE The Spanish subjugated the native population of El Salvador in the 16th century. Few Spanish women came to the country, however, so many Spanish men took NativeAmerican women as their mates. Today nearly 90 percent of the population is mestizo , of mixed European and Native American descent. People of purely Native American descent represent about 5 to 10 percent of the population, while people of European descent represent only about 1 percent. El Salvador’s population, 5.2 millio...

• La question indigène en Amérique centrale

• Kolkata - geography.

  area, and trains have north-south lines with a few east-west connections. There are two major train terminals: Sealdah in the east central part of Kolkata and Hāoraacross the river from the Central Business District. Electric trams operate in Kolkata proper. The aging buses, trains, and tram cars suffer from overloading, creatinguncomfortable rides. Subway construction started in 1972 and became operational with 7 km (4.3 mi) of line in 1984. By 1995 all of the subway’s 16.4-km (10.2-mi)route fr...

• Slovakia - country.

  The country is divided informally into the three regions of Western Slovakia, Central Slovakia, and Eastern Slovakia, corresponding to administrative divisions that wereabolished in 1989. Most of Slovakia’s 600,000 Hungarians live in the southern parts of Western and Central Slovakia, which served as the cultural center of Hungary forseveral centuries after Hungary proper was invaded by the Ottomans in the 16th century. The Ruthenian and Ukrainian minorities are concentrated in the northernregio...

• Africa.

  The highest elevations in Africa are found in the various ranges of East Africa. After Kilimanjaro, the next highest peaks are Mount Kenya (5,199 m/17,057 ft), north ofKilimanjaro in central Kenya; Margherita Peak (5,109 m/ 16,762 ft) in the Ruwenzori Range on the border between Uganda and the Democratic Republic of the Congo(DRC); Ras Dashen (4,620 m/ 15,157 ft) in the Ethiopian Highlands of northern Ethiopia; Mount Meru (4,565 m/ 14,977 ft), close to Kilimanjaro in Tanzania; and MountElgon (4,...

• Africa.

  The highest elevations in Africa are found in the various ranges of East Africa. After Kilimanjaro, the next highest peaks are Mount Kenya (5,199 m/17,057 ft), north ofKilimanjaro in central Kenya; Margherita Peak (5,109 m/ 16,762 ft) in the Ruwenzori Range on the border between Uganda and the Democratic Republic of the Congo(DRC); Ras Dashen (4,620 m/ 15,157 ft) in the Ethiopian Highlands of northern Ethiopia; Mount Meru (4,565 m/ 14,977 ft), close to Kilimanjaro in Tanzania; and MountElgon (4,...