1553 résultats pour "opera"

• Grand oral du bac : La médecine de pointe

  patient a la tête fixée à un appareil stéréotaxique, qui permet au chirurgien de descendre ses instruments jusqu'à la zone d'intervention, grâce à un système de coordonnées en trois dimensions. Depuis quelques années, on opère également des patients atteints de graves maladies dégénératives, comme la maladie de Parkinson ou la chorée de Huntington. Lors de telles interventions, on tente de remplacer les cellules nerveuses mortes par une greffe de cel...

• HUGO Victor Marie : sa vie et son oeuvre

  bles, naïves et tragiques Lettres à la fiancée. En 1820, Mme Hugo meurt de tuberculose, et Victor, qui souffre de ce deuil, s'empresse pourtant de renouer avec sa fian­ cée, qu'il épouse en 1822. Le jour du mariage, Eugène a une crise terrible : il faut le soigner, puis l'interner. Perte très douloureuse que celle du « doux et blond compagnon de toute ma jeunesse>>. Puis, c'est la mort du premier enfant. La vie de ce garçon de vingt ans est semée de...

• Maths cours ECS

• Droit privé 1er Semestre L1

• Turbine.

  steam turbine has supplanted the reciprocating engine as a prime mover in large electricity-generating plants and is also used as a means of jet propulsion. Steam turbines are used in the generation of nuclear power and in nuclear ship propulsion. They operate with fuel-fired boilers for power generation. In cogenerationapplications requiring both process heat (heat used in an industrial process) and electricity, steam is raised at high pressure in the boiler and extracted from the turbineat th...

• chimie - chimie.

  3.2. 1 La transmutation des métaux En Égypte, la théorie d’Aristote est admise par les artisans, en particulier à Alexandrie, qui devient, après 300 av. J.-C., le centre intellectuel du monde antique. Selon les artisans, les métaux terrestres tendraient à devenir de plus en plus parfaits et à être ainsi progressivement transformés en or ; en outre, ils pensent pouvoir effectuer plus rapidement cette opération dans leurs propres ateliers et transmuter ainsi les métaux courants en or, métal inalt...

• Le jazz et le néo-classique dans les « Années Folles » : des sons prennent le pouls de la société

  l'opéra s'accompagne d'un langage musical suggestif : dans un mélange de visions schônbergiennes de la nature et de technique wagnérienne, Berg compose une musique, qui soutient le contenu du texte. La musique dodécaphonique se mèle aux formes traditionnelles telles que la suite, la sonate et la symphonie. Toutes les nuances du chant et du récitatif contribuent de manière essentielle à la tonalité nouvelle et expressive de l'opéra. Vu sous l'angle d...

• À l'extrémité occidentale de l'Eurasie, la France occupe une position charnière entre l'Europe du Nord et l'Europe du Sud.

  Géographie Les conditions naturelles Ni le relief, ni les sols, ni les conditions climatiques n'ont été des obstacles au peuplement et au développement économique. La France n'a certes pas de climat qui permette plusieurs récoltes par an, ni de delta particulièrement fertile, mais elle ne connaît aucun facteur physique trop contraignant, n'est pas affectée d'une grande probabilité de risques naturels majeurs, et bénéficie par ailleurs d'une grande diversité de terroirs. L'évolution géolog...

• Sewage Disposal.

  greater load on the piping system and the treatment plant. The amount of storm-water drainage to be carried away depends on the amount of rainfall as well as on the runoff or yield of the watershed ( see Drainage). A typical metropolitan area discharges a volume of wastewater equal to about 60 to 80 percent of its total daily water requirements, the rest being used for washingcars and watering lawns, and for manufacturing processes such as food canning and bottling. B Composition The composi...

• Droit administratif

• Buenos Aires (city) - geography.

  The city has produced or nurtured many of the most prominent Spanish-language writers of the 20th century, including Jorge Luis Borges, Julio Cortázar, and ManuelPuig. Buenos Aires has long been one of the primary centers of Spanish-language publishing and printing, and it is home to major publishing companies. It supports theoldest English-language daily newspaper in Latin America, the Buenos Aires Herald, published since 1876. The arts have a long, rich history in Buenos Aires. This is mani...

• Astronaut - astronomy.

  Every operation during a flight is important and interesting, but many might be boring to an observer. Much of an astronaut’s job is entering computer instructions,preparing samples, making measurements, recording data, fixing what breaks, and adjusting the checklist when something unexpected happens. Sometimes astronautsretrieve or repair satellites, rendezvous or dock with other spacecraft, and do important emergency repairs. The adaptability of the human crew is crucial to the successof missi...

• Sigmund Freud.

  reminiscences from the past and about her daydreams. Remarkably, as her narrative revisited memories from the past, which were associated with the onset of aparticular symptom, each symptom disappeared when accompanied by an emotional outburst. Breuer made use of this discovery to eliminate her symptoms one at atime. He called the treatment the cathartic technique (from the Greek katharsis meaning “purgation”). The treatment was time consuming and required considerable effort to reach dimly re...

• World War I .

  and troops to Europe from the United States and other overseas sources. In 1914 Britain implemented a sea blockade of Germany to prevent the delivery of importssuch as food and war materials. The same year, Germany began using submarines to disrupt Allied seaborne traffic and prevent supplies from reaching Britain. In 1915Germany instituted a submarine blockade around Britain. From February 1915 to September 1915 and again in 1917, Germany used unrestricted submarine warfare,sinking ships withou...

• 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...

• Le rôle de l'infirmier dans la prise en

• Space Shuttle - astronomy.

  The two SRBs, with their combined thrust of some 26 million newtons (about 5.8 million lb), provide most of the power for the first two minutes of flight. The SRBs takethe space shuttle to an altitude of 45 km (28 mi) and a speed of 4,973 km/h (3,094 mph) before they separate and fall back into the ocean to be retrieved,refurbished, and prepared for another flight. After the boosters fall away, the three main engines continue to provide thrust. These engines are clustered at the rear end of the...

• 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...

• Cours de droit Constitutionnel

• Jordan (country) - country.

  whom belong to the Greek Orthodox Church, make up about 4 percent of the population. Islam is the state religion and Arabic the official language. C Education Jordan has made significant strides in education in recent decades, despite the influx of hundreds of thousands of refugees and the very large share of the nationalbudget assigned to the armed forces. Public education is free and compulsory between the ages of 6 and 15. At the secondary level, about 85 percent of the malechildren and 87 p...

• Dialectique de la nature

• Initiatrice de la civilisation européenne grâce à l'héritage de l'Antiquité, puis grâce à l'éclat des principautés de la Renaissance, l'Italie n'a acquis son unité et son indépendance qu'en 1861.

  montagnes calcaires de la Toscane, les reliefs volcaniques du Latium et de la Campanie, coupés de bassins (Florence), précèdent les plaines côtières bonifiées (Maremme). L'Italie insulaire se compose de petits archipels et de deux grandes îles très différentes. La Sicile semble prolonger le relief apennin avec la juxtaposition d'un bourrelet montagneux au nord, du massif volcanique de l'Etna et d'un vaste ensemble de collines monotones dans tout le reste de l'île. A...

• Stock Exchange.

  A Example of a Trade In an example of a trade, an investor wanting to buy 200 shares—also known as two round lots, of 100 shares each—of IBM stock will telephone or e-mail the order to abrokerage firm. This communication is normally made to an individual called a stockbroker. The investor might desire to buy the shares at the market, or current, price.On the other hand, the investor may choose to pay no more than a set amount per share. The brokerage firm then contacts one of its floor brokers...

• Lithuania - country.

  pollution. III PEOPLE Ethnic Lithuanians constitute about 80 percent of the country’s population. The proportion of Lithuanians increased slightly in the first years after the dissolution of theSoviet Union—many Lithuanians returned to their homeland from that country and abroad while some Russians, Ukrainians, and Belarusians left the country. Russiansand Poles constitute the country’s largest minority groups, each accounting for roughly 7 percent of the population. Jews were the largest mino...

• Nanotechnology.

  ever-finer method of reducing material to the nanoscale size. Instead, nanostructures would be assembled atom by atom and molecule by molecule, from the atomiclevel up, just as occurs in nature. However, assembly at this scale has its own challenges. In school, children learn about some of these challenges when they study the random Brownian motion seen in particles suspended in liquids such as water. Theparticles themselves are not moving. Rather, the water molecules that surround the particles...

• Azerbaijan - country.

  second most important industrial center after Baku. A Ethnic Groups Azerbaijan, including the autonomous exclave of Naxçivan, is populated mostly by ethnic Azerbaijanis, who are also known as Azeris. The ethnic composition of thecountry changed due to a civil war between the government of Azerbaijan and Armenian secessionists in the Nagorno-Karabakh enclave. Beginning in 1988, when thepeople of Nagorno-Karabakh unilaterally decided to secede from Azerbaijan, nearly the entire Azerbaijani popula...

• Primo Levi, Si c'est un homme

• Armenia (country) - country.

  because of ethnic tension brought on by a secessionist conflict in Nagorno-Karabakh, a region inhabited predominantly by Armenians in western Azerbaijan. In thereverse direction, many Armenian refugees entered Armenia from Azerbaijan during the conflict. Armenia’s official state language is Armenian, an Indo-European language with no surviving close relatives. It has a unique 38-letter alphabet that dates from the early5th century. Of its many spoken dialects, the most important are Eastern or Y...

• Estonia - country.

  protest the expansion of open-pit phosphorite mining in northeastern Estonia. Their success in stopping the expansion prompted further demonstrations as part of thecountry’s independence movement. Since independence Estonia has taken measures to protect the environment. The government has ratified international agreementsto reduce emissions of hazardous wastes and greenhouse gases, as well as to protect biodiversity, wetlands, and endangered species. Estonians cherish thecountryside, and 31 perc...

• Federal Republic of Germany - country.

  B Rivers and Lakes Rivers have played a major role in Germany’s economic development. The Rhine River flows in a northwesterly direction from Switzerland through much of westernGermany and The Netherlands into the North Sea. It is a major European waterway and a pillar of commerce and trade. Its primary German tributaries include theMain, Mosel, Neckar, and Ruhr rivers. The Oder (Odra) River, along the border between Poland and Germany, runs northward and empties into the Baltic; it provides an...

• 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...

• Yemen - country.

  port. Al Ḩudaydah (155,110), in the Tih āmah, is the second largest port. Ta‘izz, (178,043), in the highlands above Aden, is an important commercial and light industrialcenter. Among Yemen’s larger towns are Şa‘dah, far to the north; Dham ār, Yarim, and Ibb, in the middle region; Al Mukall ā, on the southern coast; and in Hadhramaut,the towns of Shib ām, Say‘ ūn, and Tar īm. C Language Nearly all Yemenis speak Arabic. However, the country’s extremely rugged terrain, widely separated population...

• LES TRANSFORMATIONS ECONOMIQUES ET SOCIALES EN EUROPE ET EN AMÉRIQUE DU NORD DE 1850 A 1939. HISTOIRE.

• la nuit des temps de rené barjavel

• Korean War.

  During the summer of 1949, South Korea had expanded its army to about 90,000 troops, a strength the North matched in early 1950. The North had about 150 SovietT-34 tanks and a small but effective air force of 70 fighters and 62 light bombers—weapons either left behind when Soviet troops evacuated Korea or bought from theUSSR and China in 1949 and 1950. By June 1950 American data showed the two armies at about equal strength, with roughly equal numbers amassed along the 38thparallel. However, thi...

• Korean War - History.

  During the summer of 1949, South Korea had expanded its army to about 90,000 troops, a strength the North matched in early 1950. The North had about 150 SovietT-34 tanks and a small but effective air force of 70 fighters and 62 light bombers—weapons either left behind when Soviet troops evacuated Korea or bought from theUSSR and China in 1949 and 1950. By June 1950 American data showed the two armies at about equal strength, with roughly equal numbers amassed along the 38thparallel. However, thi...

• Korean War - U.

  During the summer of 1949, South Korea had expanded its army to about 90,000 troops, a strength the North matched in early 1950. The North had about 150 SovietT-34 tanks and a small but effective air force of 70 fighters and 62 light bombers—weapons either left behind when Soviet troops evacuated Korea or bought from theUSSR and China in 1949 and 1950. By June 1950 American data showed the two armies at about equal strength, with roughly equal numbers amassed along the 38thparallel. However, thi...

• Institutions européennes

• La leçon de violon de Hoffmann

• Bicycle.

  narrow as possible to minimize weight and interference with pedaling. F Specialty Bicycles Many other types of bicycles are designed for special purposes. Although not as common as standard single-rider racing, touring, mountain, or recreational bicycles,they nonetheless have significant niches. Recumbent bicycles are bicycles on which the rider sits upright as if in a chair, with legs and feet stretched out in front. Because they support the rider’s lower back,recumbents allow the rider far mo...

• THEORIE ET PRATIQUE DE LA TRADUCTION

  CZU 81’25(075.8) G98 Le présent support didactique est élaboré à l’intention des étudiants du cycle licence de la Faculté de Langues Etrangères, Département de Philologie Française de l’Université Libre Internationale de Moldova. Le cursus est prévu pour 20 heures de conférences et comprend 10 sujets qui viennent initier les apprenants à la théorie et la pratique de la traduction. Suite à ce cursus les étudiants doivent acquérir des compétences visant les...

• la division du travail

• Madame bovary

• Émile Zola LA CURÉE (1872)

• I Au retour, dans l'encombrement des voitures qui rentraient par le bord du lac, la calèche dut marcher au pas.

  mondaines envoiture découverte, menaçaitdeseterminer parune soirée d’unefraîcheur aiguë. Un moment, lajeune femme restapelotonnée, retrouvantlachaleur deson coin, s’abandonnant aubercement voluptueux de toutes cesroues quitournaient devantelle.Puis, levant latête vers Maxime, dontlesregards déshabillaient tranquillement lesfemmes étaléesdanslescoupés etdans leslandaus voisins : – Vrai, demanda-t-elle, est-cequetulatrouves jolie,cette Laure d’Aurigny ? Vousenfaisiez unéloge, l’autre jour,lorsqu’o...

• 861 SUJETS-TEXTES DE L’ÉPREUVE DE PHILOSOPHIE AU BACCALAURÉAT

• 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...

• LE TRAVAIL DU STYLE.