876 résultats pour "transporte"

• mines, exploitation des.

  atteindre 290 tonnes. Des pelleteuses plus petites chargent ensuite le charbon directement dans les camions. Le principal avantage de l'exploitation à ciel ouvert par rapport à l'exploitation souterraine est l'énorme gain de temps et de main-d'œuvre. Le rendement par homme-poste dans les mines à ciel ouvert est trois à quatre fois celui des mines souterraines. Dans les exploitations souterraines, on atteint la couche de charbon par des puits verticaux ou inclinés ou, si le gisement est situé dan...

• Les automobiles actuelles résultent de l'amélioration incessante de techniques déjà anciennes ayant acquis un haut niveau de perfectionnement grâce à des efforts soutenus de recherche appliquée.

  Dion (Albert, marquis de) essence - 2.INDUSTRIE Fiat Ford Henry Ford Motor Company General Motors Lenoir Étienne machine à vapeur Otto Nikolaus Panhard René Peugeot Armand Renault Louis révolution industrielle - La diffusion de la révolution industrielle techniques (histoire des) - La révolution industrielle transports voiture Volkswagen Watt James Les livres Ford Henry, page 1951, volume 4 Renault - la première voiture Renault, page 4307, volume 8 Renault - Marcel Renault...

• Article de presse: Guerre civile au Congo

  Ce qu'il faut sans doute retenir de cette phase de l'histoire est que tous les leaders de l'ancienne colonie africaine, de quelquetendance qu'ils fussent, étaient d'accord à la fois sur le principe de l'indépendance et sur la nécessité d'une période plus ou moinslongue de coopération avec la Belgique. Mais, au-delà des attitudes incohérentes des uns, des volte-face ou des flottements des autres, il existe un conflit de base qui,pris en fil conducteur, peut expliquer bien des choses dans la co...

• 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...

• London (England) - geography.

  In the northern part of the West End is Bloomsbury, the city’s traditional intellectual center, with its concentration of bookshops and homes of writers and academics. Inthe early 20th century a number of famous writers, critics, and artists who lived here became known as the Bloomsbury Group. Here, too, is the British Museum, one ofLondon’s chief tourist attractions. Nearby is the giant complex of the University of London, whose various colleges and departments have taken over much ofBloomsbury...

• 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...

• Définition: ÉTENDUE, substantif féminin.

  1935, page 3606) : Ø 3. Et l'on a toutes raisons de penser que la parenté des notes séparées par une octave, parenté soulignée par une désignation commune dans la notation musicale qui limite la gamme à l'étendue de l'octave, est due à la communauté harmonique... HENRI PIÉRON, La Sensation, guide de vie, 1945, page 171. · Par analogie. [Sens du toucher, de la vue] L'existence de l'étendue tactile et visuelle — étendue construite avec des qualités sensibles (points lumineux ou points de contac...

• Great Lakes - Geography.

  of 1972 and 1978, have focused on water-quality problems in the Great Lakes. The International Joint Commission on the Great Lakes, established under the BoundaryWaters Treaty, implements and oversees these agreements and has limited authority to regulate obstructions or diversions of boundary waters that would affect thenatural level or flow of lake waters. B Exotic Species The fish populations of the lakes have changed dramatically in the 20th century; changes were wrought at first by overfis...

• Cincinnati - geography.

  and managed the Reds. The University of Cincinnati men’s basketball team enjoyed considerable success in the 1990s. IV ECONOMY Cincinnati, from its earliest beginnings, has functioned as a major port on the Ohio River. Distribution of raw materials as well as manufactured goods is one of the city’schief economic activities. Although Cincinnati remains one of the world’s leading centers for the distribution of bituminous (soft) coal, this trade is gradually declining. Coal from Kentucky and W...

• Circonscrite par l'immensité du désert, l'Égypte utile se réduit à la vallée du Nil, étroit ruban courant du Soudan à la Méditerranée, siège dès la plus haute Antiquité de brillantes civilisations.

  Les conditions climatiques. À l'exception d'un étroit liseré littoral au nord, qui reçoit de 100 à 200 mm de pluies par an, toute l'Égypte est soumise à une aridité extrême. Le Caire ne reçoit que 26 mm de pluies par an et Assiout 2 mm ! L'aridité est accentuée par les fortes chaleurs qui s'accroissent vers le sud. La moyenne des températures annuelles est de 25,8 oC à Assouan, où elle est en janvier de 15 oC et en juillet de 33,2 oC; les records absolus de chaleur sont enregistrés au printe...

• Miami (Florida) - geography.

  VI EDUCATIONAL AND CULTURAL INSTITUTIONS Colleges and universities in the area include the University of Miami, Florida International University, Barry University, St. Thomas University, and Florida MemorialCollege. Miami-Dade Community College, one of the nation’s largest two-year colleges, has six campuses in the region. Leading museums include the Historical Museumof Southern Florida, the Miami Museum of Science, the Miami Art Museum, the Lowe Art Museum on the campus of the University of M...

• Le vol subsonique

  des avions à réaction à moteurs arrière ne créant plus au­ cun danger. Il faut cependant remarquer que les groupes propulseurs des avions de ligne les plus récents, comme les Boeing 747 et 767, ainsi que toute la série des Airbus sont suspendus sous la voilure. · En 1960, les recherches aérodynamiques livrèrent une nouvelle famille d'ailes à profil 'supercritique'. Leurs ca­ ractéristiques étaient des extrados plus plats que ceux des ailes précéden...

• De l'esprit critique en France Paulin Limayrac

  la fureur des pillards, qui les combat pendant l'action et qui les juge après coup? De même, quand ce n'est plus ladestruction et l'incendie qui menacent ces beaux domaines, mais la pauvreté et la disette; quand les vieux sillonssont en friche et qu'on ne cherche pas à en creuser de nouveaux, n'est-ce pas encore la critique qui demande unelevée de bras, indique les terrains féconds et donne du coeur aux travailleurs? Elle n'est donc pas si inutile, et lapoésie a tort, au moins dans ce reproche....

• Hazardous Wastes.

  A Source Reduction The best way to eliminate hazardous wastes is not to generate them in the first place. For example, improvements have been made in the production of integratedcircuits: The toxic chlorinated hydrocarbons commonly used in the 1970s were replaced in the 1980s by less toxic glycol ethers and in the 1990s by low-toxicity estersand alcohols. B Recycling Recycling is the recovery or reuse of usable materials from waste. About 5 percent of hazardous waste in the United States is re...

• PROCEDURE PENALE

  Depuis le code d’instruction criminelle le législateur a donn é au proc ès p énal ce   que l’on appelle un caract ère mixte.  Section 1   : le caract ère mixte du proc ès p énal.  Lorsque Napol éon a confi é à la  commission la codification, les personnes qui   composaient la commission se sont demand ées quels  étaient les objectifs du   proc ès p énal.  Le premier objectif est de prot éger la soci été contre la d élinquance et pour cela   il faut mettre en œuvre un syst ème proc édural e...

• Asie. 1 PRÉSENTATION Asie, continent du monde, regroupant 46 pays répartis sur six

  On pourrait comparer le cœur du massif montagneux de l’Asie à une gigantesque roue, dont les rayons sont formés par de grands cours d’eau qui s’écoulent dans toutes lesdirections. Sept d’entre eux figurent parmi les douze plus longs fleuves du monde. Prenant naissance au nord et au nord-est du massif, la Lena, l’Ienisseï et l’Ob se jettentdans l’océan Arctique. Ils ont auparavant traversé de larges plaines alluviales. Vers l’ouest, des rivières comme l’Ili, le Syr-Daria et l’Amou-Daria dévalent...

• Yukon Territory - Geography.

  Tourism is the second most important private sector industry in the Yukon. Visitors come to fish, hunt, enjoy the rugged scenery, and see the historic buildings andcreeks associated with the gold rush. Some marten, lynx, muskrat, wolverine, and other fur-bearing animals are still trapped, but the Yukon plays a minor role in Canadian fur production. The Yukon’s manufacturing industries consist almost exclusively of some mineral refining, printing, and sawmilling. Several hydroelectric plants gene...

• Yukon Territory - Canadian History.

  Tourism is the second most important private sector industry in the Yukon. Visitors come to fish, hunt, enjoy the rugged scenery, and see the historic buildings andcreeks associated with the gold rush. Some marten, lynx, muskrat, wolverine, and other fur-bearing animals are still trapped, but the Yukon plays a minor role in Canadian fur production. The Yukon’s manufacturing industries consist almost exclusively of some mineral refining, printing, and sawmilling. Several hydroelectric plants gene...

• Switzerland - country.

  formation over higher elevations. The wind reverses direction about sundown and moves down the valley as a cool downdraft. The foehn, which occurs during the wintermonths, is a dry and relatively warm airflow that is drawn northward over the Alps. The foehn can quickly melt snow and ice, increasing the risk of mudslides andavalanches. D Natural Resources Waterpower is the chief natural resource of Switzerland. The principal source of water is runoff from the considerable annual precipitation th...

• Idaho - geography.

  Idaho-Montana state line in the southern part of the Bitterroot Mountains. Consequently, nearly all the rivers in the state drain toward the Pacific. Most of Idaho lieswithin the drainage basin of the Columbia River system. The Snake River, which is the chief river in southern and central Idaho, follows a crescent-shaped course forabout 790 km (about 490 mi) across southern Idaho. It then swings northward along the Idaho state line and joins the Columbia River in Washington. Major tributariesof...

• Idaho - USA History.

  Idaho-Montana state line in the southern part of the Bitterroot Mountains. Consequently, nearly all the rivers in the state drain toward the Pacific. Most of Idaho lieswithin the drainage basin of the Columbia River system. The Snake River, which is the chief river in southern and central Idaho, follows a crescent-shaped course forabout 790 km (about 490 mi) across southern Idaho. It then swings northward along the Idaho state line and joins the Columbia River in Washington. Major tributariesof...

• 1500 - 1750: CHRONOLOGIE ARTISTIQUE

  de l'atelier de Carpaccio, des 6 Scènes de la vie de la Vierge, peintes pour la Scuola di S. Stefano et achevées en1520. Meilleurs épisodes : La Dispute (1514, Brera) et la Prédication (Louvre). Titien réalise les fresques de la Scuoladel Danto à Padoue, Miracle du nouveau-né, Saint-Antoine guérit un jeune homme, le Mari jaloux..1512Début de la période dite “ cicéronienne ” de Pietro Bembo. Cette période durera jusqu'en 1519. Naissance dePhilibert Delorme à Lyon.1513Léonard de Vinci part...

• San Antonio (city, Texas) - geography.

  The SBC Center is the home venue for the San Antonio Spurs of the National Basketball Association (NBA) and the San Antonio Silver Stars of the Women's NationalBasketball Association (WNBA). The dome also serves as the site for the Alamo Bowl, an annual post-season college football game. Large themed amusement parks inthe San Antonio area are Fiesta Texas and Sea World of Texas. San Antonio’s major annual event is the Fiesta, a ten-day celebration in late April with carnivals, ethnic feasts, art...

• 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...

• Russie

• Russie

  Pour autant, n'y a-t-il pas d'autres peurs, II) La peur nous préserve de multiples dangers : la crainte d'une douleur peut guider nos actions et institue donc unecertaine sécurité. Exemple : face à une flamme, la peur de la brûlure nous incite à nous tenir a une distanceadéquate du feu. Dans l'enfance, les premières expériences de la douleur suffisent à ce qu'on ai peur, et que l'onreconnaisse le danger les prochaines fois. Cette peur rationnelle de la douleur serait alors protectri...

• Croissance économique e t ses différentes phasesdepuis 1850 (économie)

  industrielles disposent de matières ils en sont producteurs. On a donc une nouvelle org. du travail et de nvx lieu de travail :affirmation de l’usine.On utilise les machines pour produire des objets identiques et en grande quantité -> STANDARDISATION qui permet la généralisation des pièces détachées Cette révolution dynamise les secteurs industrielles du textile(bcp de coton grace aux colonies) et de la metallurgie (fer et fonte qui permettent la constructuion de nouveaux batim...

• Honolulu - geography.

  of Brigham Young University. The state’s largest museum, the Bernice Pauahi Bishop Museum, is located in Honolulu. It contains a large collection of Polynesian archaeological artifacts, as well asmany exhibits on Hawaiian history and culture. The museum also has an extensive entomological collection with more than 13 million specimens. Other importantmuseums include the Honolulu Academy of Arts, known for its extensive collection of Japanese, Chinese, and Korean art; the Contemporary Museum, wit...

• Arktis - geographie.

  2.5 Bevölkerung Lange bevor die Europäer die Arktis entdeckten, gab es dort in weiten Teilen des Landes eine verstreut lebende Bevölkerung. Nur Island stellte eine nennenswerteAusnahme dar. Die Ureinwohner gehörten zahlreichen ethnischen Gruppen an und bedienten sich verschiedener Sprachen; sie stammten jedoch alle ursprünglich aus Asien.Die Inuit (Eskimo) erreichten den Atlantischen Ozean im Osten Grönlands und die Lappen (Samen) gelangten nach Norwegen. In den Arktisregionen Russlands gibt es...

• Hong Kong - geography.

  higher than China’s average standard of living. In 2006 Hong Kong’s per capita gross domestic product (GDP) was $27,679.20, although much of the wealth isconcentrated into relatively few hands. IV ECONOMY Hong Kong’s position as one of the world’s most important economic centers is based on several factors. It is located midway between Japan and Singapore, and it liesastride the main shipping and air routes of the western Pacific. It also has long served as a major port of entry and trade for...

• Maryland - geography.

  Maryland has no large natural lakes. The largest body of water is a reservoir, Deep Creek Lake, which has a surface area of only 18 sq km (7 sq mi). It lies on theAllegheny Plateau, behind a dam on a tributary of the Youghiogheny River. C Coastline The deeply indented shoreline has a length of 5,134 km (3,190 mi), of which only 50 km (31 miles) fronts on the Atlantic Ocean. The most significant coastal feature isChesapeake Bay. In the bay are many islands and Kent Island is the largest. The sta...

• Maryland - USA History.

  Maryland has no large natural lakes. The largest body of water is a reservoir, Deep Creek Lake, which has a surface area of only 18 sq km (7 sq mi). It lies on theAllegheny Plateau, behind a dam on a tributary of the Youghiogheny River. C Coastline The deeply indented shoreline has a length of 5,134 km (3,190 mi), of which only 50 km (31 miles) fronts on the Atlantic Ocean. The most significant coastal feature isChesapeake Bay. In the bay are many islands and Kent Island is the largest. The sta...

• Angola (country) - country.

  Portugal in 1975, it had approximately 400,000 Portuguese settlers. The vast majority of the Portuguese community has since departed for Portugal. A Population Characteristics The 2008 estimated population of Angola, including Cabinda, was 12,531,357. The population distribution, however, was uneven, with about 70 percent of thepopulation concentrated in the north and along the coast. The rate of population increase was 2.1 percent annually in 2008. The population is overwhelmingly rural; only3...

• Bahrain - country.

  A Religion Almost all Bahrainis and the majority of nonnatives are followers of Islam (Muslims). About 70 percent of all native Bahrainis belong to the Shia branch of Islam, whilethe remainder, including the ruling al-Khalifa clan, are adherents of the Sunni branch. Non-Muslims, including Hindus, Buddhists, Christians, and Jews, account for 15percent of the total population. High unemployment among the Shia population has caused considerable discontent on the part of this group toward the Sunni...

• DÉCHARGE, substantif féminin.

• Trinidad and Tobago - country.

  III PEOPLE The history of Trinidad and Tobago is reflected in the makeup of its population, among the most ethnically diverse in the Caribbean. Blacks of African ancestry andAsians of Indian ancestry each make up about 40 percent of the population. The remainder is mainly of mixed ancestry, although there are also small groups of peopleof Chinese, European, South American, and Middle Eastern descent. The ethnic diversity of Trinidad and Tobago owes its origins to slavery and its abolition. Afr...

• Dominican Republic - country.

  Manatees and sea turtles also live in Dominican waters. Common birds include blue herons, glossy ibis, flamingos, and brown pelicans. E Environmental Issues Urban dwellers of the Dominican Republic enjoy good access to safe water, but rural communities do not. While current water use is low relative to available resources,water shortages do occur. Although deforestation was once a serious problem in the Dominican Republic, by the beginning of the 21st century, the annual rate of deforestation h...

• livre du professeur 4eme

  2 Les compétences du socle commun (palier 3) dans le manuel COMPÉTENCE 1 La maîtrise de la langue française 1.1 Lire ▶ Repérer les informations dans un texte à partir des éléments expli- cites et des éléments implicites nécessaires ▶ Dégager, par écrit ou oralement, l’essentiel d’un texte lu ▶ Manifester, par des moyens divers, sa compréhension de textes  variés 1.2 Écrire ▶ Rédiger un texte bref, cohérent et ponctué, en réponse à une ques- tion ou à partir de consignes données 1.3 Di...

• Canada.

  Six general landform regions are distinguishable in Canada: the Appalachian Region, the Great Lakes and St. Lawrence Lowlands, the Canadian Shield, the Great Plains,the Canadian Cordillera, and the Canadian Arctic Archipelago. B1 Appalachian Region and Great Lakes and St. Lawrence Lowlands Eastern Canada consists of the Appalachian Region and the Great Lakes and St. Lawrence Lowlands. The Appalachian Region embraces Newfoundland Island, NovaScotia, New Brunswick, Prince Edward Island, and the G...

• Canada - country.

  Six general landform regions are distinguishable in Canada: the Appalachian Region, the Great Lakes and St. Lawrence Lowlands, the Canadian Shield, the Great Plains,the Canadian Cordillera, and the Canadian Arctic Archipelago. B1 Appalachian Region and Great Lakes and St. Lawrence Lowlands Eastern Canada consists of the Appalachian Region and the Great Lakes and St. Lawrence Lowlands. The Appalachian Region embraces Newfoundland Island, NovaScotia, New Brunswick, Prince Edward Island, and the G...

• Canada - Canadian History.

  Six general landform regions are distinguishable in Canada: the Appalachian Region, the Great Lakes and St. Lawrence Lowlands, the Canadian Shield, the Great Plains,the Canadian Cordillera, and the Canadian Arctic Archipelago. B1 Appalachian Region and Great Lakes and St. Lawrence Lowlands Eastern Canada consists of the Appalachian Region and the Great Lakes and St. Lawrence Lowlands. The Appalachian Region embraces Newfoundland Island, NovaScotia, New Brunswick, Prince Edward Island, and the G...

• Native Americans of Middle and South America.

  A line that snakes across central Mexico near the Tropic of Cancer forms the northern boundary of Mesoamerica; north of this line rainfall sharply declines and theclimate is much drier. The ancient civilizations of Mesoamerica all arose and developed in the area between this line and the Guatemalan highlands far to the south. Richvolcanic soils are found throughout much of the region. A2 People and Languages Mesoamerica was a great melting pot, home to many peoples and interrelated cultures. In...

• Environment.

  escape into space of the infrared energy radiated back out by Earth. This process is referred to as the greenhouse effect. These gases, primarily carbon dioxide,methane, nitrous oxide, and water vapor, insulate Earth’s surface, helping to maintain warm temperatures. Without these gases, Earth would be a frozen planet with anaverage temperature of about -18°C (about 0°F) instead of a comfortable 15°C (59°F). If the concentration of these gases rises, they trap more heat within theatmosphere, caus...

• la nuit des temps de rené barjavel

• 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,...

• États-Unis

• 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...