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Ground Penetrating Radar In Use
Ground may refer to: Geology * Land, the surface of the Earth not covered by water * Soil, a mixture of clay, sand and organic matter present on the surface of the Earth Electricity * Ground (electricity), the reference point in an electrical circuit from which voltages are measured * Earthing system, part of an electrical installation that connects with the Earth's conductive surface * Ground and neutral, closely related terms Law * Ground (often grounds), in law, a rational motive or basis for a belief, conviction, or action taken, such as a legal action or argument: * Grounds for divorce, regulations specifying the circumstances under which a person will be granted a divorce Music * Ground (album), ''Ground'' (album), the second album by the Nels Cline Trio * Ground (song), "Ground" (song), one of the songs in the debut album of the Filipino rock band Rivermaya * Ground bass, in music, a bass part that continually repeats, while the melody and harmony over it change * ''The ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Land
Land, also known as dry land, ground, or earth, is the solid terrestrial surface of the planet Earth that is not submerged by the ocean or other bodies of water. It makes up 29% of Earth's surface and includes the continents and various islands. Earth's land surface is almost entirely covered by regolith, a layer of rock, soil, and minerals that forms the outer part of the crust. Land plays important roles in Earth's climate system and is involved in the carbon cycle, nitrogen cycle, and water cycle. One-third of land is covered in trees, 15% is used for crops, and 10% is covered in permanent snow and glaciers. Land terrain varies greatly and consists of mountains, deserts, plains, plateaus, glaciers, and other landforms. In physical geology, the land is divided into two major categories: mountain ranges and relatively flat interiors called cratons. Both are formed over millions of years through plate tectonics. A major part of Earth's water cycle, streams shape the lands ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ground Term
In mathematical logic, a ground term of a formal system is a term that does not contain any variables. Similarly, a ground formula is a formula that does not contain any variables. In first-order logic with identity, the sentence Q(a) \lor P(b) is a ground formula, with a and b being constant symbols. A ground expression is a ground term or ground formula. Examples Consider the following expressions in first order logic over a signature containing the constant symbols 0 and 1 for the numbers 0 and 1, respectively, a unary function symbol s for the successor function and a binary function symbol + for addition. * s(0), s(s(0)), s(s(s(0))), \ldots are ground terms; * 0 + 1, \; 0 + 1 + 1, \ldots are ground terms; * 0+s(0), \; s(0)+ s(0), \; s(0)+s(s(0))+0 are ground terms; * x + s(1) and s(x) are terms, but not ground terms; * s(0) = 1 and 0 + 0 = 0 are ground formulae. Formal definitions What follows is a formal definition for first-order languages. Let a first-order language b ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Grind (other)
Grind is the cross-sectional shape of a blade. Grind, grinds, or grinding may also refer to: Grinding action * Grinding (abrasive cutting), a method of crafting * Grinding (dance), suggestive club dancing * Grinding (video gaming), repetitive and uninteresting gameplay * Bruxism, grinding of the teeth * Grind (sport), a sliding stance usually performed in extreme sports such as aggressive skating and boardsports; Grinds (skateboarding) * Grind (whaling), pilot whale hunting in the Faroe Islands * Grinds, private tutoring, in Ireland * Mill (grinding) * Grinding, the operation of the winches on a yacht; the work done by a grinder (sailing position) Geography * Grind, a village in Lăpugiu de Jos Commune, Hunedoara County, Romania * Grind (Unirea), a tributary of the Unirea in Cluj and Alba Counties, Romania Film and TV * ''Grind'' (2003 film), about amateur skaters * ''The Grind'' (1915 film), a silent movie * ''Grind'' (1997 film), starring Billy Crudup and Adrienne Shell ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Earth (other)
Earth is a planet in the solar system, and the third planet from the sun. Earth is called The World in geopolitical contexts. Earth may also refer to: Elements *Earth (classical element), one of the four Greek classical elements *Earth (Wu Xing), one of the Wu Xing (elements in traditional Chinese philosophy) Science * Earth (historical chemistry), a class of elements or compounds *Earth (electricity) or ground, used as a zero potential reference *Land or earth, the solid terrestrial surface of the planet *Soil or earth, the material in which plants grow Places *Earth, Texas, a small town in the United States *Earth City, Missouri, an unincorporated community in the United States People with the name *Chief Earth Woman, Ojibwa chief * Trembling Earth, Yankton Sioux chief Animals * Earth, a group of foxes *Earth, a captive orca at Kamogawa SeaWorld Arts, entertainment, and media Films * ''Earth'' (1930 film), a Soviet film by Alexander Dovzhenko * ''Earth'' (1947 film), a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Grounds (other)
Grounds is the plural of ground Grounds may also refer to: * Coffee grounds, granulated remains of coffee beans after grinding for coffee * Grounds, in law, a rational motive or basis for a belief, conviction, or action taken, such as a legal action or argument: ** Grounds for divorce People * Bertie Grounds (1878–1950), Australian cricketer * Jonathan Grounds (born 1988), English footballer * Sir Roy Grounds (1905–1981), Australian architect * Arthur Grounds (1898–1951), Australian politician * Joan Grounds (1939 – 2010), American-born Australian artist * Lucy Grounds (1908–1987), Australian politician * Vernon Grounds (1914–2010), American theologian and evangelical * William Grounds (1874–1958), New Zealand politician * Tony Grounds (born 1957), British television scriptwriter * Housie Grounds (1903–1963), Australian rules footballer See also * Groundskeeping, tending an area of land for aesthetic or functional purposes ** Greenskeeper, a person respons ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Grounded (other)
Grounding or grounded may refer to: Science and philosophy * Grounding (metaphysics), a topic of wide philosophical interest * Grounding (psychology), a strategy for coping with stress or other negative emotions * Grounding in communication, the collection of mutual knowledge, beliefs, and assumptions; "common ground" * Ground (electricity), a common return path for electric current * Symbol grounding, a problem in cognition and artificial intelligence Arts and media * ''Grounded'' (comics), a comic book by Mark Sable for Image Comics * ''Grounded'' (video game), a multiplayer survival game by Obsidian Entertainment * " Superman: Grounded" a storyline in the ''Superman'' comic book, written by J. Michael Straczynski * ''Grounding'' (film), 2006 film about the collapse of the airline Swissair * ''Unaccompanied Minors'', a 2006 Christmas film that was titled ''Grounded'' in the UK and Ireland * "Grounded", a song by Lower Than Atlantis from ''World Record'' * "Grounded", a song ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Grounding (other)
Grounding or grounded may refer to: Science and philosophy * Grounding (metaphysics), a topic of wide philosophical interest * Grounding (psychology), a strategy for coping with stress or other negative emotions * Grounding in communication, the collection of mutual knowledge, beliefs, and assumptions; "common ground" * Ground (electricity), a common return path for electric current * Symbol grounding, a problem in cognition and artificial intelligence Arts and media * ''Grounded'' (comics), a comic book by Mark Sable for Image Comics * ''Grounded'' (video game), a multiplayer survival game by Obsidian Entertainment * " Superman: Grounded" a storyline in the ''Superman'' comic book, written by J. Michael Straczynski * ''Grounding'' (film), 2006 film about the collapse of the airline Swissair * ''Unaccompanied Minors'', a 2006 Christmas film that was titled ''Grounded'' in the UK and Ireland * "Grounded", a song by Lower Than Atlantis from ''World Record'' * "Grounded", a song ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ground (cricket)
In cricket, a ground is a location where cricket matches are played, comprising a cricket field, cricket pavilion and any associated buildings and amenities. A batter's ground is the area behind the popping crease at their end of the pitch. It is one of the two safe zones that batters run between to score runs. Location for matches In addition to the cricket field, the ground may include a pavilion, viewing areas or stadium, a car park, shops, bars, floodlights, sight screens, gates, and conference facilities. Parts of the pitch A batter's ground is the area behind the popping crease at his end of the pitch. In general, a ground belongs only to the batter who is closest to it, and stays so until the other batter gets closer to it. Whether a batter is in or out of his ground is defined by Law 30 of the Laws of Cricket. So long as the batter has his body or his bat (that he is holding) touching the ground, he is in it, and is said to have "made good his ground". Batte ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Grinding Operations
Grinding is a type of abrasive machining process which uses a grinding wheel as cutting tool. A wide variety of machines are used for grinding, best classified as portable or stationary: * Portable power tools such as angle grinders, die grinders and cut-off saws * Stationary power tools such as bench grinders and cut-off saws * Stationary hydro- or hand-powered sharpening stones Milling practice is a large and diverse area of manufacturing and toolmaking. It can produce very fine finishes and very accurate dimensions; yet in mass production contexts, it can also rough out large volumes of metal quite rapidly. It is usually better suited to the machining of very hard materials than is "regular" machining (that is, cutting larger chips with cutting tools such as tool bits or milling cutters), and until recent decades it was the only practical way to machine such materials as hardened steels. Compared to "regular" machining, it is usually better suited to taking very shallow ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ground (Dzogchen)
In Dzogchen, the ground or base () is the primordial state. It is an essential component of the Dzogchen tradition for both the Bon tradition and the Nyingma school of Tibetan Buddhism. Knowledge of this ''ground'' is called ''rigpa''. Explication A key concept in Dzogchen is the 'basis', 'ground' or 'primordial state' (Tibetan: གཞི་ ''gzhi''), also called the general ground (སྤྱི་གཞི་ ''spyi gzhi'') or the original ground (གདོད་མའི་གཞི་ ''gdod ma'i gzhi''). The basis is the original state "before realization produced buddhas and nonrealization produced sentient beings". It is atemporal and unchanging and yet it is "noetically potent", giving rise to mind (སེམས་ ''sems,''), consciousness (ཤེས་པ་ ''shes pa''), delusion (མ་རིག་པ་ ''marigpa'') and knowledge (རིག་པ་་''rigpa''). Furthermore, Hatchell notes that the Dzogchen tradition portrays ultimate reality as something which is " ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ground (unit)
A ground is a unit of area used in India approximately equal to . After metrication in the mid-20th century, the unit is being phased out. However, it is still popular in Real Estate parlance. One ground is commonly taken as 2400 square feet and approximately one half ground is used as a small and standard lot to construct a small individual house in small towns in India. In olden times houses used to adjoin and have common walls. In modern constructions one sees this in the construction of condominiums or so-called flats only. It is still in vogue in villages for economic reasons. See also *List of customary units of measurement in South Asia A ''list'' is any set of items in a row. List or lists may also refer to: People * List (surname) Organizations * List College, an undergraduate division of the Jewish Theological Seminary of America * SC Germania List, German rugby unio ... References Units of area Customary units in India Obsolete units of measurement ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ground Tissue
The ground tissue of plants includes all tissues that are neither Epidermis (botany), dermal nor Vascular tissue, vascular. It can be divided into three types based on the nature of the cell walls. # Parenchyma cells have thin primary walls and usually remain alive after they become mature. Parenchyma forms the "filler" tissue in the soft parts of plants, and is usually present in Cortex (botany), cortex, pericycle, pith, and Medullary ray (botany), medullary rays in primary Plant stem, stem and root. # Collenchyma cells have thin primary walls with some areas of secondary thickening. Collenchyma provides extra mechanical and structural support, particularly in regions of new growth. # Sclerenchyma cells have thick Lignin, lignified Secondary cell wall, secondary walls and often die when mature. Sclerenchyma provides the main structural support to a plant. Parenchyma Parenchyma is a versatile ground tissue that generally constitutes the "filler" tissue in soft parts of plants. It ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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