A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 0-9 potassium ethyl xanthate ... Poulsen family potassium ethyl xanthate (from the article "xanthate") ...formed by treatment of an alcohol with carbon disulfide in the presence of an alkali. ... potassium feldspar (from the article "Some typical occurrences of the rock-forming feldspars") ...in which A = potassium, sodium, or calcium (Ca); and T = silicon (Si) and ... potassium ferricyanide (from the article "blueprint") ...In blueprinting, the older method, the drawing to be copied, made on translucent tracing cloth ... potassium hexachloroplatinate (from the article "coordination compound") ...has been used as an artist's pigment since the beginning of the 18th century. Another ... potassium hydrogen fluoride (from the article "fluorine") Fluorine is difficult to isolate from its compounds. French chemist Henri Moissan first isolated fluorine ... potassium hydroxide (from the article "potassium") ...for both plant and animal life. Potassium was the first metal to be isolated by ... potassium intoxication (from the article "fluid") Potassium intoxication, which may follow upon kidney failure, causes reduction in the volume of urine ... potassium iodide (from the article "chemical compound") ...Cl−sodium chlorideKIK+, I−potassium iodideCaSCa2+, S2−calcium sulfideCsBrCs+,...production and uses potassium nitrate (from the article "saltpetre") Potassium nitrate occurs as crusts on the surface of the Earth, on walls and rocks, ... potassium nitrite (from the article "ham") ...sugar to the curing mixture, which also improves the flavour and texture of the meat; ... potassium ozonide (from the article "ozonide") ...ketones, and peroxides, or reacting rapidly with oxidizing or reducing agents. A few inorganic ozonides ... potassium permanganate (from the article "carboxylic acid") ...is a common method for the synthesis of carboxylic acids: RCH2OH → RCOOH. This requires ... potassium sulfate (from the article "potassium") ...a fertilizer and in fireworks and explosives and has been used as a food preservative; ... potassium superoxide (from the article "potassium") There is little commercial demand for potassium metal itself, and most of it is converted ... potassium-40 (from the article "Heat productivities") ...of the masses of atoms involved in radioactive decay is equivalent to direct measurement of ... potassium-argon dating method of determining the time of origin of rocks by measuring the ratio of radioactive ... [5 Related Articles] potassium-sparing diuretic (from the article "drug") ...serious if the loss exceeds the capacity of the diet to restore it. Potassium depletion ... Potatau I (from the article "Maori") The so-called King Movement was a response to the increasing threat to the Maori land. ... potato (Solanum tuberosum), one of some 150 tuber-bearing species of the genus Solanum (family Solanaceae). The ... [21 Related Articles] potato aphid (from the article "aphid") The potato aphid (Macrosiphum euphorbiae) begins as black eggs on rose plants, which hatch into ... potato beetle (Lema trilineata), one of the most destructive potato beetles until the advent of the Colorado ... potato blight (from the article "Irish Potato Famine") ...years. The crop failures were caused by late blight, a disease that destroys both the ... potato bread (from the article "baking") Potato bread, another variety that can be leavened with a primary ferment, was formerly made ... potato famine (from the article "population") ...Atlantic Migration from Europe to North America, the first major wave of which began in ... potato flour (from the article "cereal processing") Potato flour is also produced in Germany and other countries, slices of cleaned potatoes being ... potato leafhopper (from the article "leafhopper") The potato leafhopper (Empoasca fabae) is a destructive potato pest that causes that plant's leaves ... potato tuberworm (from the article "gelechiid moth") The potato tuberworm (Phthorimaea operculella) attacks potatoes, tomatoes, tobacco, and related plants, boring into tubers, ... potato-root eelworm (from the article "plant disease") The golden nematode of potatoes (Heterodera rostochiensis) is a menace of the European potato industry. ... Potawatomi Algonquian-speaking tribe of North American Indians who were living in what is now northeastern Wisconsin, ... [3 Related Articles] Potchefstroom town, North-West province, South Africa, on the Mooi River, southwest of Johannesburg. It was founded ... [1 Related Articles] Potemkin, Grigory Aleksandrovich, Prince Tavrichesky, Imperial Prince Russian army officer and statesman, for two years Empress Catherine II's lover and for 17 ... [2 Related Articles] potential difference (from the article "analog computer") Most present-day electronic analog computers operate by manipulating potential differences (voltages). Their basic component is ... potential energy stored energy that depends upon the relative position of various parts of a system. A ... [19 Related Articles] potential energy curve (from the article "chemical bonding") The data obtained from such a procedure can be used to construct a molecular potential ... potential evapotranspiration (from the article "hydrologic sciences") ...the prevailing meteorologic conditions). Estimation of evapotranspiration rates is important in determining expected rates of ... potential flow (from the article "fluid mechanics") This section is concerned with an important class of flow problems in which the vorticity ... potential function (from the article "physical science, principles of") A potential function phi(r) defined by phi = A/r, where A is ... potential temperature (from the article "isentropic chart") meteorological map that shows the moisture distribution and flow of air along a surface of ... potential theory (from the article "gravitation") ...(4) is inefficient, though theoretically it could be used for finding the resulting gravitational field. ... potential well (from the article "quantum mechanics") ...of tunneling, which has no counterpart in classical physics, is an important consequence of quantum ... potentiality (from the article "ethics") ...the killing of nonhuman animals for food and clothing. From this perspective also came a ... potentially hazardous asteroid (from the article "Earth impact hazard") When computations indicate that a NEO estimated to be larger than about 200 metres (650 ... potentiodynamic method (from the article "electrochemical reaction") ...the rate of an electrochemical reaction. Applying a potential pulse while observing the variation of ... potentiometer (from the article "resistor") ...electrical designer's requirements. Resistors can have a fixed value of resistance, or they can be ... potentiometric titration (from the article "titration") Alternatively, for many titrations the end point can be detected by electrical measurements. These titrations ... potentiometry (from the article "analysis") This is the method in which the potential between two electrodes is measured while the ... potentiostatic method (from the article "electrochemical reaction") ...is called the galvanostatic method for measuring the rate of an electrochemical reaction. Applying a ... Potenza city, capital of Basilicata region, southern Italy, 2,684 ft (819 m) above sea level in ... Poterat, Edme (from the article "pottery") A new factory, established at Rouen about 1656 by Edme Poterat, introduced a decoration of ... Potgieter, Everhardus Johannes Dutch prose writer and poet who tried to set new standards and encourage national consciousness ... [1 Related Articles] Potgieter, Hendrik Boer leader in the Great Trek; he took his party from the Cape Colony to ... [2 Related Articles] Pothier, Dom Joseph French monk and scholar who, together with his contemporaries, reconstituted the Gregorian chant. Pothier, Robert Joseph (from the article "legal profession") ...Even university law teaching in Europe often involved interchange between practitioner and teacher, exemplified in ... pothos (Scindapsus aureus or Epipremnum aureum), hardy indoor climbing foliage plant of the arum family (Araceae), ... [1 Related Articles] Poti city, Georgia, on the Black Sea at the mouth of the Rioni River and on ... Poti River (from the article "Piaui") ...very small part of Tocantins on the south, by Maranhao on the west, and by ... Potidaea (from the article "Alcibiades") ...however, impressed by the moral strength and the keen mind of the philosopher Socrates, who, ... Potiorek, Oskar (from the article "Bosnia and Herzegovina") ...by the First Balkan War of 1912-13, in which Serbia expanded southward, driving Turkish forces ... potlatch ceremonial distribution of property and gifts to affirm or reaffirm social status, as uniquely institutionalized ... [15 Related Articles] potline (from the article "aluminum processing") In actual practice, long rows of reduction pots, called potlines, are electrically connected in series. ... Potnia (from the article "Aegean civilizations") The chief deity everywhere in the Aegean during the Bronze Age was evidently a goddess. ... Potocki, Ignacy statesman, political reformer, grand marshal of Lithuania, count, and a member of one of Poland's ... Potocki, Stanislaw Szczesny Polish statesman and general during the breakup of the elective Kingdom of Poland. Potocki, Waclaw Polish poet well known for his epic poetry and for his collection of epigrams. Potok, Chaim American rabbi and author whose novels introduced to American fiction the spiritual and cultural life ... [1 Related Articles] Potomac River river in the east central United States, rising in North and South branches in the ... [2 Related Articles] Potomac, Army of the (from the article "Burnside, Ambrose Everett") When McClellan was removed from the command of the Army of the Potomac (Nov. 7, ... Poton language (from the article "El Salvador") ...is the official language of El Salvador. During the precolonial epoch various Indian dialects were ... potoo any of seven species of solitary, nocturnal birds of the American tropics. Its name imitates ... [1 Related Articles] Potoroidae (from the article "marsupial") ...in 3 genera. Terrestrial and arboreal. First and second digits of the forelimbs are opposable ... potoroo (from the article "rat kangaroo") The four species of short-nosed rat kangaroos (genus Bettongia), also called boodies, have pinkish noses ... Potoroo Regime (from the article "Australia") ...Phanerozoic times, Australia has been marked by three regimes: Uluru (543 to 320 million years ... Potosi city, southern Bolivia, 56 miles (90 km) southwest of Sucre. One of the world's highest ... [3 Related Articles] Potosi Mountain (from the article "Potosi") ...city, southern Bolivia, 56 miles (90 km) southwest of Sucre. One of the world's highest ... potpourri in pottery, a decorative ceramic vessel with a perforated cover originally made to hold a ... Potrerillos mining area, northern Chile. The open-pit copper mine lies in the Atacama Desert, 9,440 feet ... Potresov, Aleksandr Nikolayevich Russian Social Democrat, one of the leaders of the Mensheviks, who opposed the Bolsheviks in ... Potsdam city, capital of Brandenburg Land (state), eastern Germany. Lying on the southwest ... [3 Related Articles] Potsdam village and town (township), St. Lawrence county, northern New York, U.S., on the Raquette River, ... Potsdam Conference (July 17-Aug. 2, 1945), Allied conference of World War II held at Potsdam, a suburb ... [14 Related Articles] Potsdam Declaration (from the article "Japan") ...intercede with the Allies. The Soviet government had agreed, however, to enter the war; consequently, ... Potsdam, Edict of (from the article "Frederick William") ...The Elector, impressed that William was a prince of Orange and his own nephew, concluded ... Potsdamer Platz (from the article "Germany") After unification the long-deserted Potsdamer Platz in the heart of Berlin, once a focus of ... Pott disease disease caused by infection of the spinal column, or vertebral column, by the tuberculosis bacillus, ... [2 Related Articles] Pott Island (from the article "Belep Islands") coral island group in the French overseas country of New Caledonia, southwestern Pacific Ocean. Comprising ... Pott, August German linguist who was one of the founders of Indo-European historical linguistics. He established modern ... Pott, Sir Percivall (from the article "cancer") ...paper noting a relationship between tobacco snuff and nasal cancer, was the first to point ... Pottawatomie Massacre (May 24-25, 1856), murder of five men from a proslavery settlement on Pottawatomie Creek, Franklin ... [4 Related Articles] Potter county, northern Pennsylvania, U.S., bordering New York state to the north. It consists of a ... potter (from the article "commercial fishing") These are generally inshore vessels using pots or traps to catch shellfish. They come in ... potter wasp (from the article "wasp") ...habits, with some nesting in wood, pithy plant stems, or in nests made of mud. ... potter's mark device for the purpose of identifying commercial pottery wares. Except for those of Wedgwood, stonewares ... [1 Related Articles] Potter's syndrome (from the article "agenesis") Agenesis syndromes are frequently associated with other congenital anomalies. In renal agenesis, or Potter's syndrome ... potter's wheel (from the article "Aegean civilizations") The fast potter's wheel began to come into use in Crete about the same time ... Potter, Beatrix English author of children's books, who created Peter Rabbit, Jeremy Fisher, Jemima Puddle-Duck, Mrs. Tiggy-Winkle, ... [2 Related Articles] Potter, Dennis Christopher George British dramatist (b. May 17, 1935, Berry Hill, near the Forest of Dean, Gloucestershire, England--d. ... [1 Related Articles] Potter, Edward T. (from the article "Western architecture") ...the writings of John Ruskin. The first building to give expression to his teachings was ... Potter, Harry (from the article "Rowling, J.K.") British author, creator of the popular and critically acclaimed Harry Potter series, about a young ... Potter, Maureen Irish actress (b. 1925, Fairview, near Dublin, Ire.-d. April 7, 2004, Dublin), was a popular ... Potter, Paulus Dutch painter and etcher, celebrated chiefly for his paintings of animals. Animals appear prominently in ... Potteries, the region in the north of the geographic county of Staffordshire, England, the country's main producer ... [2 Related Articles] pottery one of the oldest and most widespread of the decorative arts, consisting of objects made ... [64 Related Articles] pottery drum (from the article "percussion instrument") Pre-Columbian drums of Mesoamerica appear to have been played without sticks, regardless of their size, ... Potthast, August (from the article "diplomatics") ...short, synoptical condensations of the contents of papal documents down to 1198, published by Philipp ... Pottinger, Henry (from the article "China") Elliot's successor, Henry Pottinger, arrived at Macau in August and campaigned northward, seizing Xiamen (Amoy), ... Pottle, Frederick A(lbert) American scholar who became the foremost authority on the 18th-century English biographer James Boswell. potto slow-moving tropical African primate. The potto is a nocturnal tree dweller found in rainforests from ... Pottstown borough (town), Montgomery county, southeastern Pennsylvania, U.S., on the Schuylkill River, 37 miles (59 km) ... Pottsville city, seat (1851) of Schuylkill county, east-central Pennsylvania, U.S. It is situated at the gap ... Pottsville Series in geology, division of the Late Carboniferous Epoch (318 million to 299 million years ago). ... Potwar Plateau tableland in Rawalpindi, Attock, and Jhelum districts, Punjab Province, Pakistan. Lying between the Indus and ... [2 Related Articles] Pouchet, Felix-Archimede French naturalist who was a leading advocate of the idea of the spontaneous generation of ... pouf (from the article "bustle") A related fashion trend, the pouf, or small saddle cushion worn at the back, was ... Pough, Richard Hooper American ornithologist and conservationist (b. April 19, 1904, Brooklyn, N.Y.-d. June 24, 2003, Chilmark, Mass.), ... Poughkeepsie city, seat of Dutchess county, eastern New York, U.S. It lies on the east bank ... Pouilly, Jean de (from the article "Duns Scotus, John") ...the turning point in the history of the doctrine, it was immediately challenged by secular ... Poujade, Pierre French bookseller, publisher, and politician who led a much publicized right-wing protest movement in France ... [2 Related Articles] Poujadisme (from the article "Poujade, Pierre") ...his activities to other towns in southern France, he enrolled 800,000 members in his Union ... Poulenc, Camille (from the article "Rhone-Poulenc SA") ...("Chemical Factories of Rhone"). In 1928 it merged with Etablissements Poulenc Freres ("Poulenc Brothers"), the ... Poulenc, Francis composer who made an important contribution to French music in the decades after World War ... [6 Related Articles] poulet en barbouille (from the article "Berry") Regional cuisine is simple and relies on local produce. Dishes are usually cooked over a ... Poulet, Georges Belgian writer, who was a major exponent of the nouvelle critique ("new ... [1 Related Articles] Poulin, A U.S. poet who from 1971 taught at the State University of New York College at ... Poulin, Jacques (from the article "Canadian literature") ...Beaulieu, with his continuing saga of the Beauchemin family; Roch Carrier, who mocked biculturalism in ... Poullart des Places, Claude-Francois (from the article "Holy Ghost Father") a Roman Catholic society of men founded in 1703 at Paris by Claude-Francois Poullart des ... Poulsen family famous Danish theatrical family.

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