Well (other)
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Well (other)
A well is an artificial excavation, hole or structure for the purpose of withdrawing an underground resource, usually water Well may also refer to: Structures Used for resource extraction * Castle well, providing a protected source of drinking water * Oil well, a hole drilled through the Earth's surface for the purpose of extracting petroleum oil * Salt well, or brine well, used to mine salt * Well drainage of agricultural land by pumped wells Other structures * Air well (condenser), a structure or device designed to promote the condensation of atmospheric moisture * Clootie well, a place of pilgrimage in Celtic areas * Holy well, often pagan sacred sites that were later Christianized * Jacob's Well, of religious significance in the West Bank * Lightwell, in architecture, an unroofed space designed to allow sunlight to reach interior areas * Wishing well, a term from European folklore Places * Well, Hampshire, England *Well, Lincolnshire, a village in England *Well, North Yor ...
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Well
A well is an excavation or structure created in the ground by digging, driving, or drilling to access liquid resources, usually water. The oldest and most common kind of well is a water well, to access groundwater in underground aquifers. The well water is drawn up by a pump, or using containers, such as buckets or large water bags that are raised mechanically or by hand. Water can also be injected back into the aquifer through the well. Wells were first constructed at least eight thousand years ago and historically vary in construction from a simple scoop in the sediment of a dry watercourse to the qanats of Iran, and the stepwells and sakiehs of India. Placing a lining in the well shaft helps create stability, and linings of wood or wickerwork date back at least as far as the Iron Age. Wells have traditionally been sunk by hand digging, as is still the case in rural areas of the developing world. These wells are inexpensive and low-tech as they use mostly manual labour, an ...
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Well
A well is an excavation or structure created in the ground by digging, driving, or drilling to access liquid resources, usually water. The oldest and most common kind of well is a water well, to access groundwater in underground aquifers. The well water is drawn up by a pump, or using containers, such as buckets or large water bags that are raised mechanically or by hand. Water can also be injected back into the aquifer through the well. Wells were first constructed at least eight thousand years ago and historically vary in construction from a simple scoop in the sediment of a dry watercourse to the qanats of Iran, and the stepwells and sakiehs of India. Placing a lining in the well shaft helps create stability, and linings of wood or wickerwork date back at least as far as the Iron Age. Wells have traditionally been sunk by hand digging, as is still the case in rural areas of the developing world. These wells are inexpensive and low-tech as they use mostly manual labour, an ...
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Microtiter Plate
A microplate, also known as a microtiter plate (''Microtiter'' is a registered trademark in the United States, therefore it should not be used generically without attribution), microwell plate or multiwell, is a flat plate with multiple "wells" used as small test tubes. The microplate has become a standard tool in analytical research and clinical diagnostic testing laboratories. A very common usage is in the enzyme-linked immunosorbent assay (ELISA), the basis of most modern medical diagnostic testing in humans and animals. A microplate typically has 6, 12, 24, 48, 96, 384 or 1536 sample wells arranged in a 2:3 rectangular matrix. Some microplates have been manufactured with 3456 or 9600 wells, and an "array tape" product has been developed that provides a continuous strip of microplates embossed on a flexible plastic tape. Each well of a microplate typically holds somewhere between tens of nanolitres to several millilitres of liquid. They can also be used to store dry powder ...
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Quantum Well
A quantum well is a potential well with only discrete energy values. The classic model used to demonstrate a quantum well is to confine particles, which were initially free to move in three dimensions, to two dimensions, by forcing them to occupy a planar region. The effects of quantum confinement take place when the quantum well thickness becomes comparable to the de Broglie wavelength of the carriers (generally electrons and holes), leading to energy levels called "energy subbands", i.e., the carriers can only have discrete energy values. A wide variety of electronic quantum well devices have been developed based on the theory of quantum well systems. These devices have found applications in lasers, photodetectors, modulators, and switches for example. Compared to conventional devices, quantum well devices are much faster and operate much more economically and are a point of incredible importance to the technological and telecommunication industries. These quantum well devices a ...
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Potential Well
A potential well is the region surrounding a local minimum of potential energy. Energy captured in a potential well is unable to convert to another type of energy (kinetic energy in the case of a gravitational potential well) because it is captured in the local minimum of a potential well. Therefore, a body may not proceed to the global minimum of potential energy, as it would naturally tend to do due to entropy. Overview Energy may be released from a potential well if sufficient energy is added to the system such that the local maximum is surmounted. In quantum physics, potential energy may escape a potential well without added energy due to the probabilistic characteristics of quantum particles; in these cases a particle may be imagined to tunnel ''through'' the walls of a potential well. The graph of a 2D potential energy function is a potential energy surface that can be imagined as the Earth's surface in a landscape of hills and valleys. Then a potential well would be a val ...
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Gravity Well
The Hill sphere of an astronomical body is the region in which it dominates the attraction of satellites. To be retained by a planet, a moon must have an orbit that lies within the planet's Hill sphere. That moon would, in turn, have a Hill sphere of its own. Any object within that distance would tend to become a satellite of the moon, rather than of the planet itself. One simple view of the extent of the Solar System is the Hill sphere of the Sun with respect to local stars and the galactic nucleus. In more precise terms, the Hill sphere approximates the gravitational sphere of influence of a smaller body in the face of perturbations from a more massive body. It was defined by the American astronomer George William Hill, based on the work of the French astronomer Édouard Roche. In the example to the right, the Earth's Hill sphere extends between the Lagrange points and , which lie along the line of centers of the two bodies. The region of influence of the smaller body is ...
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Health
Health, according to the World Health Organization, is "a state of complete physical, mental and social well-being and not merely the absence of disease and infirmity".World Health Organization. (2006)''Constitution of the World Health Organization''– ''Basic Documents'', Forty-fifth edition, Supplement, October 2006. A variety of definitions have been used for different purposes over time. Health can be promoted by encouraging healthful activities, such as regular physical exercise and adequate sleep, and by reducing or avoiding unhealthful activities or situations, such as smoking or excessive stress. Some factors affecting health are due to individual choices, such as whether to engage in a high-risk behavior, while others are due to structural causes, such as whether the society is arranged in a way that makes it easier or harder for people to get necessary healthcare services. Still, other factors are beyond both individual and group choices, such as genetic disorders. ...
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Well-being
Well-being, or wellbeing, also known as wellness, prudential value or quality of life, refers to what is intrinsically valuable relative ''to'' someone. So the well-being of a person is what is ultimately good ''for'' this person, what is in the self-interest of this person. Well-being can refer to both positive and negative well-being. In its positive sense, it is sometimes contrasted with ill-being as its opposite. The term "subjective well-being" denotes how people experience and evaluate their lives, usually measured in relation to self-reported well-being obtained through questionnaires. Overview Sometimes different types of well-being are distinguished, such as mental well-being, physical well-being, economic well-being or emotional well-being. The different forms of well-being are often closely interlinked. For example, improved physical well-being (e.g., by reducing or ceasing an addiction) is associated with improved emotional well-being. As for another example, better ...
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Well (film)
''Well'' () is a 2016 Hungarian drama film directed by Attila Gigor. Taking place over three days at a remote filling station, it revolves around a man who meets his father for the first time in 30 years, as well as a group of prostitutes whose van breaks down on the way to Switzerland. Plot At an isolated filling station on a quiet road leading to the border, run by a drunken old man named István and Zoli his handicapped friend, Istvan's long-lost son turns up, a sullen young man named Laci. Fresh out of prison and unable to find work, he hopes his father will help him get back on his feet. While Zoli is glad to have some company, István is unenthusiastic, not wanting any strangers about the place. Next day, some acquaintances of his arrive - four prostitutes, and two handlers who are taking them to work in Switzerland. Their van refuses to start and they all have to spend the night there. Laci has a fling with one of the girls, Marcsi, who has doubts about her career choice. ...
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Well (play)
''Well'' is a play by Lisa Kron. It concerns relationships between mothers and daughters and "wellness", among other themes. It ran Off-Broadway in 2004 and then on Broadway in 2006. Production history ''Well'' premiered Off-Broadway at the Joseph Papp Public Theater, opening on March 16, 2004 (previews) and running to May 16, 2004. Directed by Leigh Silverman, the cast starred Lisa Kron and Jayne Houdyshell as Lisa's mother, Ann Kron.Sommer, Elyse"A CurtainUp Review. 'Well'"curtainup.com, March 26, 2004 and 2006 The Public Theater production garnered "Best of 2004" lists in ''The New York Times'' among other publications. ''Well'' next ran at the American Conservatory Theater in San Francisco in February and March 2005, with Kron and Houdyshell. The play opened on Broadway at the Longacre Theatre on March 10, 2006 in previews, officially on March 30, and closed on May 14, 2006 after 23 previews and 52 performances. Directed by Leigh Silverman, Lisa Kron and Jayne Houdyshell re ...
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Welcome To The Pleasuredome
''Welcome to the Pleasuredome'' is the debut studio album by English synth-pop band Frankie Goes to Hollywood, first released on 29 October 1984 by ZTT Records. Originally issued as a vinyl double album, it was assured of a UK chart entry at number one due to reported advance sales of over one million. It actually sold around a quarter of a million copies in its first week. The album was also a top-10 seller internationally in countries such as Switzerland, Sweden, Australia and New Zealand. While commercially successful, the album also drew criticism for containing new versions of all of the songs from the group's (already much-remixed) singles from the same year ("Relax" and "Two Tribes", plus B-side "War"), as well as a surfeit of cover versions in lieu of much new original material. It was later revealed that Trevor Horn's production dominated the record so thoroughly that the band's own instrumental performances were often replaced by session musicians or Horn himself. Fra ...
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The Olympics (band)
The Olympics are an American doo-wop group, formed in 1957 by lead singer Walter Ward (August 28, 1940 – December 11, 2006). The group also included Eddie Lewis (tenor, Ward's cousin), Charles Fizer (tenor), Walter Hammond (baritone), and Melvin King ( bass). With the exception of Lewis, all were friends in a Los Angeles, California, high school. History and influence Their first record was credited to Walter Ward and the Challengers ("I Can Tell" on Melatone Records). After the name change, they recorded "Western Movies" (Demon Records) in the summer of 1958. Co-written by Fred Smith and Cliff Goldsmith, "Western Movies" made it to No. 8 on the ''Billboard'' Hot 100 chart. The song reflected the nation's preoccupation with western themed movies and television programs. It told the story of a man who lost his girl to TV westerns, and it included doo-wop harmonies as well as background gunshots and ricochet sound effects. In 1959, the group recorded "(Baby) Hully Gully ...
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