1321 résultats pour "control"

• Rocket - astronomy.

  the vacuum of space, however, demonstrated that this belief was not true. In fact, rockets produce more thrust in the vacuum of space than on Earth. Air pressure andfriction with the air reduce a rocket’s thrust by about 10 percent on Earth as compared to the rocket’s performance in space. B Thrust and Efficiency Thrust is a measurement of the force of a rocket, or the amount of “push” exerted backward to move a rocket forward. Thrusts vary greatly from rocket to rocket.Engineers measure thrust...

• European Union .

  safeguard the interests of the member states, a common assembly with advisory authority only, and a court of justice to settle disputes. D European Economic Community (EEC) In 1957 the participants in the ECSC signed two more treaties, known as the Treaties of Rome. These treaties created the European Atomic Energy Community(Euratom) for the development of peaceful uses of atomic energy and, most important, the European Economic Community (EEC, often referred to as the CommonMarket). The EEC tr...

• Congress of the United States.

  senator, a person must be at least 30 years old, a citizen for nine years, and a resident of the state from which he or she is elected. Most members of Congress haveserved in state legislatures, city councils, or other elected bodies. See United States Senate: Campaigning for the Senate ; United States House of Representatives: Campaigning for the House. The 435 House seats are divided among the states in proportion to each state’s population. Every state is guaranteed at least one seat. State...

• Middle East - geography.

  years.Spectrum Colour Library Apart from the Nile River, which provides much of the water supply and irrigation systems of Egypt, and the Tigris and Euphrates rivers, which supply Iraq, Syria, andTurkey, there are no major rivers or navigable waterways. The Sea of Galilee (Lake Tiberias) in northern Israel, fed from the north by the shallow, unnavigable JordanRiver, provides Israel’s main source of fresh water. With such a limited water supply, access to water for drinking, irrigation, and hydro...

• Domestic Violence.

  socialization teaches boys and girls a belief system that devalues women—especially unmarried women—and creates a sense of female responsibility for themaintenance of the family. Women who believe that the end of a relationship or of a marriage represents a personal failure are less likely to leave abusive relationships. V TREATMENT AND PREVENTION A variety of programs and services, both for victims and offenders, exist to treat and prevent domestic violence. Since 1964, more than 1800 shelters...

• Dominica - country.

  Other crops are being promoted to diversify the economy away from reliance on bananas. They include coffee, cacao, mangoes, citrus fruit, and root vegetables. Pumice is quarried and exported on Dominica. Manufacturing is on a small scale and largely limited to the processing of farm products. The main manufactured goodsare fruit juices, alcoholic beverages, soap, and essential oils. The island also has electronic assembly plants, data-processing companies, and garment manufacturers. The governme...

• vin - agriculture et agroalimentaire.

  avec de l’eau-de-vie de marc. Le vin doux naturel (VDN) est obtenu par mutage, c’est-à-dire un vinage en cours de fermentation du moût pour la stopper, laissant ainsi unequantité plus ou moins importante de sucre non fermenté qui caractérise des vins plus ou moins doux comme les vins doux naturels du Languedoc-Roussillon, le porto, etc.Le vinage, après fermentation complète, est pratiqué sur des vins d’élaboration complexe comme le xérès ou le madère. 3.2 Traitements particuliers La qualité du...

• Grand oral du bac : TRAITEMENT DE L'INFORMATION

  Tr aitem ent de l'information LES STRUCTU RES INTERNE S DU CERVEAU Les principaux centres sous-corticaux : écorce cérébrale ou cortex corps calleux thalamus hypothalamus hypophyse bulbe rachidien le cervelet assure l'éq uilibra tion et la coordination des mouvements ; le sys tème limbique, le thalamus, l'h ypothalamus et le tronc cérébral contrôlent nos fo nctions vitales, nos perceptions, émotions et efforts de concentration. corps mamillaire format...

• Tuberculosis.

  TB has existed for thousands of years. Scars on a skull found in Turkey indicate the presence of the disease 500,000 years ago. Scientists also have found tubercles inmummified bodies from ancient Egypt. References to TB can be found in the writings of ancient Babylonia, Egypt, and China. The term tuberculosis was first used in 1839; it was derived from the Latin word tubercula, meaning small lump, referring to the small scars seen in tissues of infected individuals. TB reappeared in Europe...

• Lesotho - country.

  V GOVERNMENT Under the terms of the constitution of 1965, which was suspended in 1970, Lesotho was a constitutional monarchy with a bicameral legislature. After a coup in 1986,legislative and executive powers were vested in the king but actually exercised by a 6-member military council and a 20-member council of ministers. In 1993 Lesothoadopted a new constitution that redefined the role of the monarchy and altered the legislative branch of the government. The king, who is head of state, has no...

• 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...

• Fiches de synthèse Vaisse Relations internationales

  CHAPITRE 1 : NAISSANCE ET CONFRONTATION D’UN MONDE BIPOLAIRE (1945-1955) Introduction : La Seconde Guerre mondiale affaiblit le continent européen qui perd son rôle prééminent. - cela confirme les conséquences de la Première Guerre mondiale - ce déclin est dû au fait que les combats ont particulièrement affecté l’Europe. Cela se traduit par : - la perte de puissance des grands pays européens (Fr, Ang …) - l’émergence de deux supergrands pouvant faire figures de modèles...

• Albania - country.

  Joining the international community in its concern over the degradation of the environment, Albania is party to international agreements concerning biodiversity, climatechange, and wetlands. III THE PEOPLE OF ALBANIA In 2008 Albania’s population estimate was 3,619,778, resulting in an average density of 132 persons per sq km (342 per sq mi). More and more people have left ruralareas for urban ones, particularly in the northern districts, such that in 2005 some 45 percent of the population live...

• Electric Motors and Generators.

  the armature. It is often desirable to generate as high a voltage as possible, and rotating armatures are not practical in such applications because of the possibility of sparkingbetween brushes and slip rings and the danger of mechanical failures that might cause short circuits. Alternators are therefore constructed with a stationary armaturewithin which revolves a rotor composed of a number of field magnets. The principle of operation is exactly the same as that of the AC generator described,...

• métrologie 1 PRÉSENTATION métrologie, science des mesures, visant à déterminer les dimensions et les quantités, et à les exprimer en unités conventionnelles, en tenant compte des conditions dans lesquelles l'évaluation a été effectuée et des critères utilisés.

  Les standards de couleur peuvent être référencés pour des industriels du bâtiment et de la décoration par un choix de carreaux de céramique colorés, chaque couleur ayant été déterminée dans un laboratoire de spectrométrie. ( Voir Spectroscopie.) Les microphones calibrés en NSLs permettent d’effectuer des mesures précises du niveau sonore sur les sites industriels, les autres lieux de travail ou les zones résidentielles en fonction des paramètres définis par la législation, et ainsi interdire,...

• Coronary Heart Disease.

  when a patient is at rest may indicate that the blood supply of the heart is not normal, and the ECG can often detect damage from a previous heart attack. In anexercise stress test, an ECG is recorded while a patient is performing physical activity such as walking on a treadmill or riding a stationary bicycle. As the intensity ofexercise increases, the doctor looks for specific changes in the ECG that indicate the heart is not getting enough oxygen. In cardiac catheterization, a long, thin, flex...

• Croatia - country.

  III PEOPLE OF CROATIA The total population of Croatia at the time of the 1991 census was 4,784,265; a 2008 estimate was 4,491,543. During and after the war ethnic Serbs fled Croatia whileethnic Croats moved in. Croatia’s population growth rate in 2008 was -0.04 percent, despite population gains due to immigration. Croatia’s natural population growthrate, which measures births and deaths, has been negative since 1998. Life expectancy at birth was 75 years in 2008. The population density in 2008...

• Système de Réserve fédérale & économie.

  La loi de 1913 établit un Federal Reserve Board de sept membres, dont cinq sont désignés par le président des États-Unis, auxquels s’ajoute le secrétaire du Trésor ainsiqu’un membre de l’Office of Comptroller of the Currency. Nommés pour un mandat d’une durée de dix ans, ils sont nommés à des dates différentes afin que chaque mandatait un terme différent, et sont en principe inamovibles. Ses compétences sont toutefois limitées à la surveillance des banques fédérales et ne laissent qu’une faible...

• East Timor - country.

  members are designated by the Superior Council for the Judiciary. This council is the organ of management and discipline of judges and is responsible for judiciaryappointments, transfers, and promotions. VI HISTORY Timor was a destination on ancient Chinese trade routes and was particularly known for its sandalwood. The Portuguese began colonizing Timor in the early 16thcentury as European trade and influence expanded in the region. They exploited Timor for its forest products and spices, and...

• Kuwait (country) - country.

  Oil revenues have allowed Kuwait to build an extensive educational system, yielding a literacy rate of 84 percent. Public school is free and compulsory from the age of 6to 13, and several private schools also teach this age group. Kuwait University (founded in 1966) is also free and offers programs in a wide range of professional andscientific fields at several campuses. Both the extensive library system at Kuwait University and the collection at Kuwait National Museum (1957) were heavily damage...

• Cuba - country.

  Only two land mammals, the hutia, or cane rat, and the solenodon, a rare insectivore that resembles a rat, are known to be indigenous. The island has numerous batsand nearly 300 kinds of birds, including vultures, wild turkeys, quail, finches, gulls, macaws, parakeets, and hummingbirds. The bee hummingbird of Cuba is thesmallest bird in the world. Among the few reptiles are tortoises, caimans, the Cuban crocodile, and a species of boa that can attain a length of 3.7 m (12 ft). More than700 speci...

• 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...

• Herbert Hoover.

  E Postwar Work Even after the armistice, the Allies continued their blockade around Germany. Hoover, in Europe again, worked to have it relaxed. He was appointed chairman of theAmerican Relief Administration to assist in the economic restoration of Europe, receiving from the U.S. Congress $100 million to fight famine and plague. In this officialrole, and afterward as a private citizen, Hoover oversaw the distribution of 46 million tons of food to people in 30 countries. He controlled shipping,...

• Herbert Hoover

  E Postwar Work Even after the armistice, the Allies continued their blockade around Germany. Hoover, in Europe again, worked to have it relaxed. He was appointed chairman of theAmerican Relief Administration to assist in the economic restoration of Europe, receiving from the U.S. Congress $100 million to fight famine and plague. In this officialrole, and afterward as a private citizen, Hoover oversaw the distribution of 46 million tons of food to people in 30 countries. He controlled shipping,...

• Progrès technique et contrôle

  III. Les attitudes devant les découvertes scientifiques. 1. Attitude intellectuelle. Faire la part entre la soif d'avancer, de faire reculer les limites de l'intelligence, de la condition humaine et l'éthiquescientifique : l'éternel fruit défendu de l'arbre... 2. Attitude sociale. — La société doit-elle et peut-elle légiférer, interdire certaines recherches, enrayer les progrès ou tenter de lessuivre (cf. les procédures d'adoption pour les enfants de mères-porteuses...) ? — Les pouvoirs polit...

• William Howard Taft.

  considered him an ideal successor. Because Roosevelt himself was satisfied that Taft's election would ensure that his reform programs were continued, he used hisinfluence with each state's Republican Party to get Taft the nomination. As a result, Taft became the Republican candidate on the first ballot. He was elected president in1908 with a popular vote of 7,675,320 to 6,412,294 for Nebraska editor and Democratic candidate William Jennings Bryan, and an electoral vote of 321 to Bryan's 162.Alth...

• William Howard Taft

  considered him an ideal successor. Because Roosevelt himself was satisfied that Taft's election would ensure that his reform programs were continued, he used hisinfluence with each state's Republican Party to get Taft the nomination. As a result, Taft became the Republican candidate on the first ballot. He was elected president in1908 with a popular vote of 7,675,320 to 6,412,294 for Nebraska editor and Democratic candidate William Jennings Bryan, and an electoral vote of 321 to Bryan's 162.Alth...

• L'Etat doit-il contrôler l'économie ?

  1 - 1 1 L'État ne doit pas contrôler l'économie 1 1 •~(·H• L'efficacité de l'économie vient du fait que les différents acteurs économiques sont totalement libres de défendre leurs intérêts particuliers. Toute intervention de l'État ne peut que gripper les rouages d'une machine qui est naturellement capable de produire des richesses. Le bien commun résulte du libre jeu des intérêts égoïstes P our Smith, chaque acteur de la vie éco­...

• Italy - country.

  C Natural Resources Italy is poor in natural resources. Much of the land is unsuitable for agriculture because of mountainous terrain or unfavorable climate. Italy, moreover, lacks substantialdeposits of basic natural resources such as coal, iron, and petroleum. Natural gas is the country’s most important mineral resource. Other deposits include feldspar andpumice. Many of Italy’s mineral deposits on the islands of Sicily and Sardinia had been heavily depleted by the early 1990s. Italy is rich...

• Mental Illness.

  note that under this definition, political dissidents could be considered mentally ill for refusing to accept the dictates of their government. VI PREVALENCE Mental illness affects people of all ages, races, cultures, and socioeconomic classes. The prevalence of mental illness refers to how many people experience a mentalillness during a specified time period. A United States and Worldwide In the United States, researchers estimate that about 24 percent of people 18 or older, or about 44 mill...

• Renaissance I INTRODUCTION Renaissance, series of literary and cultural movements in the 14th, 15th, and 16th centuries.

  the great writings of ancient Greece and Rome. Intellectuals continued to build on the ideas of the Renaissance during the 18th century Age of Enlightenment, a time when scientific advancements led to a newemphasis on the power of human reason. One of the early Enlightenment thinkers was French philosopher and writer Voltaire. He claimed that the Renaissance was acrucial stage in liberating the mind from the superstition and error that he believed characterized Christian society during the Middl...

• Renaissance .

  the great writings of ancient Greece and Rome. Intellectuals continued to build on the ideas of the Renaissance during the 18th century Age of Enlightenment, a time when scientific advancements led to a newemphasis on the power of human reason. One of the early Enlightenment thinkers was French philosopher and writer Voltaire. He claimed that the Renaissance was acrucial stage in liberating the mind from the superstition and error that he believed characterized Christian society during the Middl...

• Russian Revolutions of 1917 (Histoire) .

  as Marxists. They believed that the working class—with its struggles to organize trade unions and to bring about political reforms of benefit to the majority ofpeople—would become the primary force for revolutionary change. The Russian Marxists formed the Russian Social Democratic Labor Party (RSDLP) in 1898. By 1903,however, the RSDLP had split into two factions. The faction called the Bolsheviks (from the Russian word for “majority”), led by Vladimir Ilich Lenin, favored a more centralized a...

• Gerald Ford.

  In May 1973 the Senate Select Committee on Presidential Activities opened hearings and in a series of startling revelations, Dean testified that Mitchell had ordered thebreak-in and that the president had authorized payments to the burglars to keep them quiet. The Nixon administration vehemently denied these assertions. In March 1974 a grand jury indicted Mitchell, Haldeman, Ehrlichman, and four other White House officials for their part in covering up the Watergate break-in andreferred to Nixon...

• Gerald Ford

  In May 1973 the Senate Select Committee on Presidential Activities opened hearings and in a series of startling revelations, Dean testified that Mitchell had ordered thebreak-in and that the president had authorized payments to the burglars to keep them quiet. The Nixon administration vehemently denied these assertions. In March 1974 a grand jury indicted Mitchell, Haldeman, Ehrlichman, and four other White House officials for their part in covering up the Watergate break-in andreferred to Nixon...

• 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...

• French Canadian Nationalism - Canadian History.

  The revolution ended in independence for the Americans, who named their new country the United States of America. In the aftermath, thousands of people who hadopposed the American Revolution migrated from what was now the United States to British North America. These people, known as the United Empire Loyalists, settledin the Maritimes, where they greatly increased the British majority over the Acadians, and in Québec. Some settled near francophone communities around Montréal andin the Eastern T...

• Ronald Reagan.

  deposed shah of Iran to enter the United States for medical treatment, a group of Iranian revolutionaries stormed the U.S. Embassy in Tehrān and held 53 Americansas hostages. United States media publicized the plight of the hostages and Carter’s failure to win their release. They were eventually released in January 1981, on theday of Reagan’s inauguration. The contrast between the television personalities of the two candidates was also very important. Carter’s stiff, nervous manner had never bee...

• Ronald Reagan - USA History.

  deposed shah of Iran to enter the United States for medical treatment, a group of Iranian revolutionaries stormed the U.S. Embassy in Tehrān and held 53 Americansas hostages. United States media publicized the plight of the hostages and Carter’s failure to win their release. They were eventually released in January 1981, on theday of Reagan’s inauguration. The contrast between the television personalities of the two candidates was also very important. Carter’s stiff, nervous manner had never bee...

• Comment se fait le contrôle de la pollution de l'air ?

  l'ozone) : ils sont favorisés par le soleil , les fortes cha­ leurs et l'absence de vent. • En quoi consiste . le 5'fS"' tème de surveillance ? Afin de mesurer en per­ manence une dizaine de polluants et de déclencher l'alerte en cas de dépasse­ ment des normes de sécu­ rité, un système de sur­ veillance de la pollution atmosphérique a été mis en place. AIRPARIF couvre ainsi la capitale et sa région grâce à des stations d'obs...

• Middle Ages .

  Saints were very important in Late Antiquity. They were considered both models of virtue and powerful miracle workers. One of the most well-known saints of the periodwas Saint Anthony. Anthony gave away all his possessions and left his hometown in Egypt to live alone in the desert and pray. Anthony was one of the first Christianmonks. The word monk comes from a term meaning 'alone.' Gradually Anthony attracted followers, and he eventually became the center of a whole community of monks who wis...

• United States History - U.

  and improved upon the designs of Arab sailing ships and learned to mount cannons on those ships. In the 15th century they began exploring the west coast ofAfrica—bypassing Arab merchants to trade directly for African gold and slaves. They also colonized the Madeira Islands, the Azores, and the Cape Verde Islands andturned them into the first European slave plantations. The European explorers were all looking for an ocean route to Asia. Christopher Columbus sailed for the monarchs of Spain in 149...

• United States History - U.

  and improved upon the designs of Arab sailing ships and learned to mount cannons on those ships. In the 15th century they began exploring the west coast ofAfrica—bypassing Arab merchants to trade directly for African gold and slaves. They also colonized the Madeira Islands, the Azores, and the Cape Verde Islands andturned them into the first European slave plantations. The European explorers were all looking for an ocean route to Asia. Christopher Columbus sailed for the monarchs of Spain in 149...

• le contrôle de constitutionnalité des lois

  AUBERTIN JEANNE TD3 Dissertation droit constitutionnel Sujet : Le contrôle de constitutionnalité des lois. « L’ordre juridique n’est pas un système de normes juridiques placées au même rang, mais un édifice à plusieurs étages superposés, une pyramide ou une hiérarchie formée d’un certain nombre d’étages ou couches de normes successives » exprime Hans Kelsen, théoricien de la hiérarchie des normes. La notion moderne de constitution, longtemps de nature coutumière, tire ses origines des...

• United Nations.

  and programs to carry out its recommendations. It elects members to serve on certain agencies and programs, and it coordinates those programs through variouscommittees. B Security Council The Security Council is the most powerful body in the UN. It is responsible for maintaining international peace, and for restoring peace when conflicts arise. Its decisionsare binding on all UN members and have the force of international law. The Security Council has the power to define what is a threat to sec...

• New Brunswick - Geography.

  Grand Lake, the largest lake in New Brunswick, is in the lowlands, east of Fredericton. Most other lakes are located in the northern and southwestern parts of NewBrunswick. D Climate New Brunswick has a continental climate that is moderated by maritime influences in the coastal areas. As a result, coastal regions are slightly warmer in the winter andslightly cooler in the summer than are interior regions. Annual temperature variations are large, with the January mean usually at least 25 to 28°C...

• New Brunswick - Canadian History.

  Grand Lake, the largest lake in New Brunswick, is in the lowlands, east of Fredericton. Most other lakes are located in the northern and southwestern parts of NewBrunswick. D Climate New Brunswick has a continental climate that is moderated by maritime influences in the coastal areas. As a result, coastal regions are slightly warmer in the winter andslightly cooler in the summer than are interior regions. Annual temperature variations are large, with the January mean usually at least 25 to 28°C...

• 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...

• Vietnam War.

  rigged, since about 150,000 more people voted in Saigon than were registered. Diem then deposed Bao Dai, who had been the only other candidate, and declaredSouth Vietnam to be an independent nation called the Republic of Vietnam (RVN), with himself as president and Saigon as its capital. Vietnamese Communists and manynon-Communist Vietnamese nationalists saw the creation of the RVN as an effort by the United States to interfere with the independence promised at Geneva. III THE BEGINNING OF THE...

• Vietnam War - History.

  rigged, since about 150,000 more people voted in Saigon than were registered. Diem then deposed Bao Dai, who had been the only other candidate, and declaredSouth Vietnam to be an independent nation called the Republic of Vietnam (RVN), with himself as president and Saigon as its capital. Vietnamese Communists and manynon-Communist Vietnamese nationalists saw the creation of the RVN as an effort by the United States to interfere with the independence promised at Geneva. III THE BEGINNING OF THE...