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volatile organic compound ... Volsinii

volatile organic compound: (from the article "environmental works") Most air toxics are organic chemicals, comprising molecules that contain carbon, hydrogen, and other atoms. Many are volatile organic compounds (VOCs), organic compounds that readily evaporate. VOCs include pure hydrocarbons, ...
volatility: (from the article "gasoline engine") ...for lamps. As the gasoline engine developed, gasoline and the engine were harmonized to attain the best possible matching of characteristics. The most important properties of gasoline are its volatility ...
Volcan, Le: (from the article "Reunion") ...This massif is encircled by several wide basins and a series of smaller plateaus. In the eastern part of the island is an area of more recent volcanism, and in ...
Volcanalia: (from the article "Vulcan") ...or conflagrations. Poetically, he is given all the attributes of the Greek Hephaestus. His worship was very ancient, and at Rome he had his own priest (flamen). His chief festival, ...
volcanic arc: (from the article "plate tectonics") ...Melting in the mantle wedge produces magma, which is predominantly basaltic in composition. This magma rises to the surface and gives birth to a line of volcanoes in the overriding ...
volcanic arenite: (from the article "sedimentary rock") ...fragments of metamorphic rocks such as slate, phyllite, or schist predominate, producing phyllarenite. If volcanic rock fragments such as andesite and basalt are most abundant, the rock is termed a ...
volcanic ash: (from the article "Andisol") one of the 12 soil orders in the U.S. Soil Taxonomy. Andisols are defined by the single property of having volcanic-ash parent material. Although these soils exist in all climatic ...
volcanic block: (from the article "agglomerate") Depending on the specific context, some geologists prefer to sort agglomerates into either bombs, blocks, or breccia. Bombs and blocks are generally larger than 32 mm (1.25 inches) in size; ...
volcanic breccia: (from the article "agglomerate") ...inches) in size; although bombs are ejected in a molten state (becoming rounded upon solidification), blocks are erupted as solid angular or subangular fragments. Upon accumulation, blocks form breccia, which ...
volcanic chain: (from the article "mountain") Chains of active volcanoes, such as those occurring at island arcs, are commonly marked by individual high mountains separated by large expanses of low and gentle topography. In some chains, ...
volcanic cone: (from the article "Venus") Along with the extensive lava plains and the massive shield volcanoes are many smaller volcanic landforms. Enormous numbers of small volcanic cones are distributed throughout the plains. Particularly unusual in ...
volcanic dome: any steep-sided mound that is formed when lava reaching the Earth's surface is so viscous that it cannot flow away readily and accumulates around the vent. Sometimes domes are produced ... [2 Related Articles]
volcanic dust: (from the article "volcano") ...The ash, cinders, hot fragments, and bombs thrown out in these explosions are the major products observed in volcanic eruptions around the world. These solid products are classified by size. ...
volcanic earthquake: (from the article "earthquake") A separate type of earthquake is associated with volcanic activity and is called a volcanic earthquake. Yet it is likely that even in such cases the disturbance is the result ...
volcanic eruption: (from the article "volcano") Volcanic eruptions20th-century eruptionsvolcanoTwo 20th-century eruptionsThere are many gradations among-and exceptions to-the idealized eruption types listed in the previous section, and ...
volcanic explosion: (from the article "volcano") Massive volcanic explosions are caused by the rapid expansion of gases, which in turn can be triggered by the sudden depressurization of a shallow hydrothermal system or gas-charged magma body ...
volcanic field: (from the article "The most common volcano types of the world") Such areas have many geologically young cinder cones or other features that have not been individually identified as separate volcanoes. If the conduits through which magma ascends to the surface ...
volcanic gas: (from the article "atmosphere") ...interior and from the metabolic activities of life-forms-as opposed to the primordial atmosphere, which developed by outgassing (venting) during the original formation of the planet. Current volcanic gaseous emissions include ...
volcanic glass: any glassy rock formed from lava or magma that has a chemical composition close to that of granite (quartz plus alkali feldspar). Such molten material may reach very low temperatures ... [1 Related Articles]
volcanic lake: (from the article "lake") Basins formed from volcanic activity are also greatly varied in type. The emanation of volcanic material from beneath the surface can be explosive, or it can issue in a gentle ...
volcanic landform: (from the article "volcano") Volcanic landforms
volcanic neck: (from the article "igneous rock") Erosion of volcanoes will immediately expose shallow intrusive bodies such as volcanic necks and diatremes (see Figure 6). A volcanic neck is the "throat" of a volcano and consists of ...
Volcanic Plateau: (from the article "Bay of Plenty") ...Cape Runaway. The Rangitaiki, Whakatane, and Motu rivers drain northward into the bay. The regional council also extends inland (south) from the bay roughly 40 miles (64 km) to include ...
volcanic sink: (from the article "mass movement") ...surface thaw of perennially frozen land. The chemical decomposition of subsurface rocks and ores is also a cause of subsidence. Another form of subsidence is the steep-walled depression, known as ...
Volcanica, Cordillera: (from the article "Costa Rica") Two mountain chains together run almost the entire length of Costa Rica. These are, in the north, the Cordillera Volcanica, noted for its volcanic activity, as the name implies, and, ...
volcanism: any of various processes and phenomena associated with the surficial discharge of molten rock, pyroclastic fragments, or hot water and steam, including volcanoes, geysers, and fumaroles. Although volcanism is best ... [42 Related Articles]
volcano: vent in the crust of the Earth or other planet or satellite, from which issue eruptions of molten rock, hot rock fragments, and hot gases. A volcanic eruption is an ... [45 Related Articles]
volcano forecasting: (from the article "volcano") The greatest hazard at potentially active volcanoes is human complacency. The physical hazards can be reliably estimated by studying past eruptive activity as recorded in history or in the prehistoric ...
Volcano Island: (from the article "Major volcanoes of the world") ...with a maximum width of 15 miles (24 km), at less than 10 feet (3 m) above sea level. It has an area of 94 square miles (244 square km) ...
Volcano Islands: archipelago, Tokyo to (metropolis), Japan. The islands lie in the western Pacific between the Bonin Islands (north) and the Mariana Islands (south). The three small volcanic islands are, in north-south ...
volcano rabbit: (from the article "rabbit") ...others are semiaquatic (the swamp rabbit, S. aquaticus, and the marsh rabbit, S. palustris). Two other genera of rabbit also live in North America. The volcano rabbit, ...
volcano-tectonic depression: (from the article "caldera") ...their shape is governed by preexisting tectonic structures (produced by movements of the Earth's crust), such as joints and faults in the underlying older rocks. They therefore are referred to ...
volcanogenic massive sulfide: (from the article "mineral deposit") Wherever volcanism occurs beneath the sea, the potential exists for seawater to penetrate the volcanic rocks, become heated by a magma chamber, and react with the enclosing rocks-in the process ...
volcanology: discipline of the geologic sciences that is concerned with all aspects of volcanic phenomena. [2 Related Articles]
Volcker, Paul: American economist and banker who, as chairman of the board of governors of the Federal Reserve System (1979-87), played a key role in stabilizing the American economy during the 1980s. [1 Related Articles]
vole: any of 124 species of small-bodied mouselike rodents of the Northern Hemisphere. Voles have a blunt rather than a tapered muzzle, a tail shorter than the body, and small eyes ...
Volendam: town, Edam-Volendam gemeente (municipality), northwestern Netherlands, on Lake IJssel. Its harbour was sealed off as part of an inland lake (see IJsselmeer Polders), and the town's once-flourishing fishing industry has ...
Volga Bolgarian language: (from the article "Turkic languages") The "Middle Turkic" period, which began in the 13th century, embraces several regional written languages: Khwarezmian Turkic, Volga Bolgarian, Old Kipchak, Old Ottoman, and Early Chagatai. Khwarezmian, used in the ...
Volga Finns: (from the article "Finno-Ugric religion") Farther to the south, the differentiation of the Volga Finns into separate groups probably began about 1200 BC. The Volga Finns consist today of the Mordvins (including the Moksha in ...
Volga Hills: (from the article "Russia") ...west the Central Russian Upland, with a maximum elevation of 950 feet (290 metres), separates the lowlands of the upper Dnieper River valley from those of the Oka and Don ...
Volga River: river of Europe, the continent's longest, and the principal waterway of western Russia and the historic cradle of the Russian state. Its basin, sprawling across about two-fifths of the European ... [8 Related Articles]
Volga-Baltic Waterway: system of rivers and a canal in western Russia linking the Volga River with the Baltic Sea. The Volga-Baltic Waterway connects with the White Sea-Baltic Canal at Lake Onega. The ... [2 Related Articles]
Volga-Don Canal: canal linking the lower Volga River with the Don River at their closest point in southwestern Russia. The canal runs from Kalach-na-Donu, on the eastern shore of the Tsimlyansk Reservoir, ... [3 Related Articles]
Volga-Ural Petroleum and Gas Province: principal petroleum-producing region of Russia. Situated in the southern part of European Russia, it stretches from the west flank of the Ural Mountains to west of the Volga River. The ... [1 Related Articles]
Volgograd: oblast (province), southwestern Russia, lying athwart the lower Volga and Don rivers. The Volga is flanked on the west by the Volga Upland, which is continued south of Volgograd as ...
Volgograd: city and administrative centre of Volgograd oblast (province), southwestern Russia, on the Volga River. It was founded as the fortress of Tsaritsyn in 1589 to protect newly acquired Russian territory ... [1 Related Articles]
Volhynia: area of northwestern Ukraine that was a principality (10th-14th century) and then an autonomous component of the Grand Duchy of Lithuania and was ruled largely by its own aristocracy (after ... [5 Related Articles]
volition: (from the article "mind, philosophy of") Intellect and emotion often come to expression in volition and action, important topics in the philosophy of mind-topics that comprise such concepts as motive, desire and purpose, deliberation, decision, intention, ...
Voliva, Wilbur Glenn: (from the article "Christian Catholic Church") ...that was settled in 1901. Business and industry were controlled by church officials, with Dowie as general overseer. Financial difficulties led to his being deposed in 1906, and he was ...
Voljansky troupe: (from the article "circus") ...to dominate specific areas of circus performance. Eastern Europeans became known for acrobatics and tumbling over the course of the 20th century. In the groundbreaking high-wire act of the Russian ...
Volk: (from the article "Hitler, Adolf") ...of an unchangeable natural order that exalted the "Aryan race" as the creative element of mankind. According to Hitler, the natural unit of mankind was the Volk ...
Volkelt, Johannes: (from the article "Kantianism") ...und die Epigonen, its author, Otto Liebmann, introduced the new metaphysical approach in his book on the analysis of reality (1876), which came near to the Kantianism of Marburg. The ...
Volkerkunde: (from the article "anthropology") ...two disciplines in much of central, eastern, and northern Europe. In German, the distinction has been made between Volkskunde and Volkerkunde, and, although these ...
Volkerwanderung: (from the article "West Germanic languages") Toward the end of the 4th century the great migrations (German Volkerwanderung) of Germanic tribes resulted in an expansion of the Germanic-speaking territory. Angles, Saxons, and Jutes crossed the Channel ...
Volkhov River: river, northwestern Russia. It is the major outlet for Lake Ilmen, whence it flows past Novgorod and directly north-northeast into Lake Ladoga across a level, swampy basin. The river is ...
Volkischer Beobachter: (German: "People's Observer"), daily newspaper published by the Nazi Party in Germany from the 1920s until the fall of the Third Reich in 1945. The paper was originally founded in ... [1 Related Articles]
Volkmann canal: (from the article "osteon") ...are filled with interstitial lamellae, layers of bone that are often remnants of previous haversian systems. Transverse vessels, which run perpendicular to the long axis of the cortex, are called ...
Volkmann contracture: disorder of the wrist and hand in which the hand and fingers become fixed in a characteristic bent position. The disorder may be caused by the pressure of bandages, a ...
Volkogonov, Dmitry Antonovich: Russian colonel general and Soviet military historian who gained access to archival material and published scathing exposes on V.I. Lenin, Joseph Stalin, Leon Trotsky, and other formerly sacrosanct Soviet leaders ...
volkonskoite: (from the article "clay mineral") ...less frequent, chromium (Cr³⁺) and vanadium (V³⁺) also are found as dominant cations in the octahedral sheets of the beidellite structure, and chromium species are called volkonskoite. The ideal structural ...
Volkov, Vladislav Nikolayevich: Soviet cosmonaut, participant in the Soyuz 7 and 11 missions of 1969 and 1971, the second of which resulted in the death of three cosmonauts. [2 Related Articles]
Volkova, Vera: Soviet ballet teacher who greatly influenced Western dance training. [1 Related Articles]
Volkova, Yekaterina: (from the article "Track and Field Sports (Athletics)") ...5,000 m at a world championship, as were the winning times in most other distance races. With the heat and humidity testing endurance athletes, the women's 3,000-m steeplechase was exceptional. ...
Volkovysk: city, Hrodno oblast (province), western Belarus. It dates from the 13th century as a fortified point on the frontier between the principality of Hrodno and the grand duchy of Lithuania, ...
Volksbucher: (from the article "chapbook") Many of the earliest English and German chapbooks derived from French examples, which began to appear at the end of the 15th century. The Volksbucher (a type of chapbook) began ...
Volksgeist: (from the article "law, philosophy of") For Savigny, law rests on the Volksgeist, or innate popular consciousness; law par excellence is customary law. He recognized, of course, that the details of a developed legal system do ...
Volksgemeinschaft: (from the article "fascism") Hitler envisioned the ideal German society as a Volksgemeinschaft, a racially unified and hierarchically organized body in which the interests of individuals would be strictly subordinate to ...
Volkshochschulen: (from the article "Germany") There is an extensive range of possibilities for extended education or extramural studies. About 1,000 Volkshochschulen (adult education centres) enroll some six million adults for complete courses ...
Volkskammer: (from the article "Germany") When it became clear that a West German government would be established, a so-called election for a People's Congress was held in the Soviet occupation zone in May 1949. But ...
Volkskunde: (from the article "anthropology") ...or cultural anthropology has long been divided into two disciplines in much of central, eastern, and northern Europe. In German, the distinction has been made between Volkskunde ...
Volksraad: advisory body created by the Dutch in the East Indies (now Indonesia) in 1917 and opened in May 1918. It served as a forum for the expression of grievances but ... [2 Related Articles]
Volksschule: (from the article "education") The Volksschule was universal, free, and compulsory. The fundamental subjects were taught along with gymnastics and religion, which held important places in the curriculum. Girls and boys were taught in ...
Volksseele: (from the article "German literature") ...Herder conceived the idea of cultural relativism and historicism that regards each culture as possessing a distinct collective identity, an "ethnic soul" (Volksseele) that allows it to ...
Volkssturm: (from the article "Himmler, Heinrich") ...SS") until, with 35 divisions, it rivaled the army. He also gained control of the intelligence network, military armaments (after the abortive attempt on Hitler's life of July 20, 1944), ...
Volkswagen: (from the article "automotive industry") The post-World War II revival of the German automobile industry from almost total destruction was a spectacular feat, with most emphasis centring on the Volkswagen. At the end of the ...
Volkswagen AG: major German automobile manufacturer, founded by the German government in 1937 to mass-produce a low-priced "people's car." Headquarters are in Wolfsburg. [7 Related Articles]
Volland, Sophie: (from the article "Diderot, Denis") ...as of his allegedly indecent novel Les Bijoux indiscrets (1748), were used to meet the demands of his mistress, Madeleine de Puisieux, with whom he broke a few years later. ...
Vollard, Ambroise: French art dealer and publisher who in the late 19th and early 20th centuries championed the then avant-garde works of such artists as Paul Cezanne, Henri Matisse, and Pablo Picasso. [4 Related Articles]
volley: (from the article "tennis") ...strikes the ball back (before it hits the ground a second time) over the net and within the boundaries of the opponent's court. After the service has been correctly returned, ...
volleyball: game played by two teams, usually of six players on a side, in which the players use their hands to bat a ball back and forth over a high net, ... [16 Related Articles]
Vollmann, William T.: (from the article "Literature") ...seven years, worked as an uproarious send-up of the world of television and film, though it did not win the credit it deserved. Although another decidedly experimental work, Europe Central ...
Vollmer, August: (from the article "police") The founder of the professional policing reform movement in the United States was August Vollmer. Beginning his career in 1905 as the head of a six-person police department in Berkeley, ...
Volney, Constantin-Francois de Chasseboeuf, Count de: historian and philosopher, whose work Les Ruines . . . epitomized the rationalist historical and political thought of the 18th century.
Volodymyr-Volynskyy: city, northwestern Ukraine. The city is situated on the Luha River where it is crossed by the Kovel-Lviv railway. It was founded by Vladimir I, grand prince of Kiev, in ...
Vologda: oblast (province), northwestern Russia. The oblast consists of alternating broad river basins and morainic hills. The western third is drained by tributaries of the upper Volga River, while the eastern ...
Vologda: city and administrative centre of Vologda oblast (province), northwestern Russia. The city lies along the Vologda River above its confluence with the Sukhona River and is situated about 250 miles ...
Vologeses I: king of Parthia (reigned c. AD 51-80), the son of the previous king, Vonones II, by a Greek concubine. [2 Related Articles]
Vologeses III (or II): one of the rival claimants to the throne of the Parthian king Pacorus II. [2 Related Articles]
Vologeses IV (or III): king of Parthia (reigned 148-192). [2 Related Articles]
Vologeses V (or IV): king of Parthia who reigned 191-208/209. [2 Related Articles]
Vologeses VI (or V): king of Parthia (reigned 209-c. 212). [2 Related Articles]
Vologesias: (from the article "Vologeses I") ...of the Hyrcanians, an invasion by Alani tribesmen in Media and Armenia, and the usurpation of his son Vardanes II. Vologeses' reign was also marked by a decided reaction against ...
Volonte, Gian Maria: Italian actor (b. April 9, 1933, Milan, Italy--d. Dec. 6, 1994, Florina, Greece), epitomized, with his chiseled features, hooded eyes, and scowling demeanour, the classic tough guy in such films ...
Volos: port, the third largest of Greece (after Piraeus and Thessaloniki). It lies at the head of the Gulf of Pagasitikos (Volos) on the east coast of Thessaly. Volos is the ...
volost: (from the article "Russia") ...private serfs. Kiselev set up a system of government administration down to the village level and provided for a measure of self-government under which the mayor of the
Volozhin: (from the article "Elijah ben Solomon") ...Elijah began teaching a chosen circle of devoted pupils who were already experienced scholars. Among them was Hayyim ben Issac, who went on to found the great yeshiva (Talmudic academy) ...
Volpe, Galvano della: (from the article "Hegelianism") The latter motive is, on the other hand, the essential aim of a third Marxist current, in Italy, initiated by Galvano della Volpe, a critical aesthetician who discusses the relationship ...
Volponi, Paolo: (from the article "Italian literature") ...Nonexistent Knight]) and, later, on moralizing science fiction (Le cosmicomiche [1965; Cosmicomics] and Ti con zero [1968; t zero]). Paolo Volponi's province is the human consequences of Italy's rapid postwar ...
Volsci: ancient Italic people prominent in the history of Roman expansion during the 5th century BC. They belonged to the Osco-Sabellian group of tribes and lived (c. 600 BC) in the ... [3 Related Articles]
Volscian language: an Italic language or dialect, closely related to Umbrian and Oscan and more distantly related to Latin and Faliscan. Spoken in central Italy by the Volsci people, neighbours of the ...
Volsinii: ancient Etruscan town on the site of present-day Bolsena (Viterbo province, Italy). At an unidentified neighbouring site was a temple to Voltumna, which was the headquarters of the 12-city Etruscan ... [1 Related Articles]