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LS Models
LS may refer to: Businesses * LS Group, a Korean company * Jet2.com (IATA code: LS), a British airline Latin * Lewis and Short (abbr. "L&S"), authors of the 1879 work ''A Latin Dictionary'' * Lectori Salutem (L.S.), Latin for 'Greetings Reader' and used as opening words to a letter * ''locus sigilli'', Latin for 'place of the seal', used in notarized and legal documents; see: Seal (contract law) Organizations * Liberal Party of Croatia ( hr, Liberalna stranka or LS), a Croatian political party active from 1998–2006 * Lincoln-Sudbury Regional High School, Massachusetts, US * Lok Sabha, the lower house of the Parliament of India * Loyola Schools, the college unit of the Ateneo de Manila University in Quezon City, Philippines Places * Lesotho (ISO 3166-1 country code: LS), a country in southern Africa * LS postcode area, UK, covering Leeds * County Laois, Ireland Science, technology, and mathematics Astronomy * Light-second (ls), a unit of length in astronomy eq ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
LS Group
LS Group is a South Korean ''chaebol'' (conglomerate) mostly in electrics, electricity, materials and energy sectors. It is composed of LS Corp. (''see below''), E1 (LPG), and YESCO (LNG). "LS Corp." is a holding company, which comprises LS Cable & System (power & communications cables), LS ELECTRIC (electrical equipment & automation systems), LS-Nikko Copper (copper smelter & refiner) and LS Mtron (machinery & components). The company is controlled by the Koo family, the founding family of LG Group. LS Group was spun off from LG Corporation, LG Group in 2003. Group families * LS Corp ** LS Cable & System (LS Cable & System, GCI, Alutek, Pountek, Kospace, LS Global, etc.) *** Gaon Cable (Gaon Cable, Weduss) ** LS ELECTRIC (Formerly LS Industrial Systems / LG Industrial Systems) (LS IS, LS Metal, Planet, LS Mecapion, LS Sauter, LS Power Semitech, Trino) ** LS MnM (Formerly LS-Nikko Copper) (LS MnM, GRM, Torecom, Recytech Korea, Wahchang, Sunwo) ** LS Mtron (Daesung Electric/D ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Live Sand
Live sand, a term used in aquarism, is natural reef coral sand populated with millions of beneficial bacteria and organisms which aid in the dissolving of organic wastes like ammonia, nitrites and nitrates produced by larger organisms in saltwater aquariums. Live sand can be purchased from aquarium stores, but most hobbyists make their own by seeding dead sand with live sand from other aquarium systems. See also * Filter (aquarium) * Live rock * Reef aquarium * Sand Sand is a granular material composed of finely divided mineral particles. Sand has various compositions but is defined by its grain size. Sand grains are smaller than gravel and coarser than silt. Sand can also refer to a textural class o ... Further reading * ''Advanced Marine Aquarium Techniques'', by Jay Hemdal Fishkeeping Aquariums {{fishkeeping-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
GM LS Engine
"LS engine" is the colloquial name given to the third and fourth generation small-block V8 gasoline engine used in General Motors' vehicles. The name evolved from the need to differentiate the Gen 3/Gen 4 small blocks from the original Gen 1/Gen 2 small blocks released in 1954, which are commonly referred to as "Small Block Chevrolets". The "LS" name originates from the engine RPO code of the first Gen 3 small block, the LS1, introduced in the 1997 Corvette. The term "LS engine" is used to describe any Gen 3 or Gen 4 Small Block Chevrolet, including those that do not specifically include "LS" as part of their RPO code. Sometimes referred to as an "LSx", with the lower case "x" standing in for one of the many RPO code variations of the motor, the term can cause confusion since GM now sells an aftermarket LS cylinder block named "LSX" with a capital "X". The original RPO code "LS1" is still sometimes used, if not confusingly, to describe the entire Gen 3/Gen 4 engine family. LS ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lincoln LS
The Lincoln LS is a four-door, five-passenger luxury sedan manufactured and marketed by Ford's Lincoln division over a single generation from 1999–2006. Introduced in June 1999 for model-year 2000, the LS featured rear-wheel drive and near 50/50 weight distribution and was available with a V8 or V6, the latter initially offered with a manual transmission. The LS shared the Ford DEW98 platform with the Jaguar S-Type and the Ford Thunderbird. Trim levels ranged from the base V6 model to the Special Edition V8 LSE trims in 2004, with revised front and rear fascia, taillights and foglights, and front grille. LS models were manufactured at Ford's Wixom Assembly Plant until production ended on April 3, 2006 and the plant was idled as part of Ford's The Way Forward. Approximately 262,900 were manufactured, including 2,331 with manual transmissions and 1,500 LSE editions. –2002 In 1999, the LS debuted as Lincoln's first rear-wheel drive sport luxury sedan for the 2000 model ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lexus LS
The is a full-size luxury sedan (F-segment in Europe) serving as the flagship model of Lexus, the luxury division of Toyota. For the first four generations, all LS models featured V8 engines and were predominantly rear-wheel-drive. In the fourth generation, Lexus offered all-wheel-drive, hybrid, and long-wheelbase variants. The fifth generation changed to using a V6 engine with no V8 option, and only one length was offered. As the first model developed by Lexus, the LS 400 debuted in January 1989 with the second generation debuting in November 1994. The LS 430 debuted in January 2000 and the LS 460/LS 460 L series in 2006. A domestic-market version of the LS 400 and LS 430, badged as , was sold in Japan until the Lexus marque was introduced there in 2006. In 2006 (for the 2007 model year), the fourth generation LS 460 debuted the first production eight-speed automatic transmission and an automatic parking system. In 2007, V8 hybrid powertrains were introduced on the LS 600h/LS ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
LS 90
LS (stands for “Liniový Systém” in Czech, “continuous system” in English) is a cab signalling and a train protection system used on the main lines of the Czech and Slovak railways (on all lines which track speed exceeds 100 km/h in the Czech republic or 120 km/h in Slovakia). This system continuously transmits and shows a signal aspect of the next main signal in driver's cabin and when the driver's activity is needed (e.g. a speed reduction), it periodically checks the driver's vigilance (he has to press the “vigilance” button; else the emergency brake is applied). This is the main function of on-board part of the LS-system (continuous cab signalling and checking the driver's vigilance when needed). Trackside part of the LS-system is based on coded track circuits using carrier frequency 75 Hz with 100% amplitude modulation ( on-off keying). The signal aspect of the next signal is coded in modulation frequency (there are used four modulation frequencies: 0 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rolladen-Schneider Flugzeugbau GmbH
Rolladen-Schneider was a major glider manufacturer. It originally made rolling doors and shutters and was run by Willi and Walter Schneider based in Egelsbach near Frankfurt, Germany. Walter was a keen glider pilot and recruited a sailplane designer Wolf Lemke. The company built its first glider in 1967. The company produced the following gliders: * LS1 (Standard Class) * LSD Ornith (two seater prototype) * LS2 (15 metre Class, though before the present classes existed) * LS3 (15 metre Class) * LS4 (Standard Class) * LS5 (22 metre prototype only) * LS6 (15 metre Class with optional tips to give 17.5 metres or 18 metre spans) * LS7 (Standard Class) * LS8 (Standard Class with optional tips to give 18 metre span) * LS9 (18 metre self launching glider - 10 built) * LS10 (15 metre Class and 18 metres Class) * LS11 (Two Seater Class) - prototype in development by Akaflieg Köln Receivership Because of difficult economic times, the company went into receivership in 2001. In ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chevrolet
Chevrolet ( ), colloquially referred to as Chevy and formally the Chevrolet Motor Division of General Motors Company, is an American automobile division of the American manufacturer General Motors (GM). Louis Chevrolet (1878–1941) and ousted General Motors founder William C. Durant (1861–1947) started the company on November 3, 1911 as the Chevrolet Motor Car Company. Durant used the Chevrolet Motor Car Company to acquire a controlling stake in General Motors with a reverse merger occurring on May 2, 1918, and propelled himself back to the GM presidency. After Durant's second ousting in 1919, Alfred Sloan, with his maxim "a car for every purse and purpose", would pick the Chevrolet brand to become the volume leader in the General Motors family, selling mainstream vehicles to compete with Henry Ford's Model T in 1919 and overtaking Ford as the best-selling car in the United States by 1929 with the Chevrolet International. Chevrolet-branded vehicles are sold in most autom ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Angular Momentum Coupling
In quantum mechanics, the procedure of constructing eigenstates of total angular momentum out of eigenstates of separate angular momenta is called angular momentum coupling. For instance, the orbit and spin of a single particle can interact through spin–orbit interaction, in which case the complete physical picture must include spin–orbit coupling. Or two charged particles, each with a well-defined angular momentum, may interact by Coulomb forces, in which case coupling of the two one-particle angular momenta to a total angular momentum is a useful step in the solution of the two-particle Schrödinger equation. In both cases the separate angular momenta are no longer constants of motion, but the sum of the two angular momenta usually still is. Angular momentum coupling in atoms is of importance in atomic spectroscopy. Angular momentum coupling of electron spins is of importance in quantum chemistry. Also in the nuclear shell model angular momentum coupling is ubiquitou ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Löwenheim–Skolem Theorem
In mathematical logic, the Löwenheim–Skolem theorem is a theorem on the existence and cardinality of models, named after Leopold Löwenheim and Thoralf Skolem. The precise formulation is given below. It implies that if a countable first-order theory has an infinite model, then for every infinite cardinal number ''κ'' it has a model of size ''κ'', and that no first-order theory with an infinite model can have a unique model up to isomorphism. As a consequence, first-order theories are unable to control the cardinality of their infinite models. The (downward) Löwenheim–Skolem theorem is one of the two key properties, along with the compactness theorem, that are used in Lindström's theorem to characterize first-order logic. In general, the Löwenheim–Skolem theorem does not hold in stronger logics such as second-order logic. Theorem In its general form, the Löwenheim–Skolem Theorem states that for every signature ''σ'', every infinite ''σ''-structure ''M'' and e ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Least Squares
The method of least squares is a standard approach in regression analysis to approximate the solution of overdetermined systems (sets of equations in which there are more equations than unknowns) by minimizing the sum of the squares of the residuals (a residual being the difference between an observed value and the fitted value provided by a model) made in the results of each individual equation. The most important application is in data fitting. When the problem has substantial uncertainties in the independent variable (the ''x'' variable), then simple regression and least-squares methods have problems; in such cases, the methodology required for fitting errors-in-variables models may be considered instead of that for least squares. Least squares problems fall into two categories: linear or ordinary least squares and nonlinear least squares, depending on whether or not the residuals are linear in all unknowns. The linear least-squares problem occurs in statistical regressio ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Land Surveyor
Surveying or land surveying is the technique, profession, art, and science of determining the terrestrial two-dimensional or three-dimensional positions of points and the distances and angles between them. A land surveying professional is called a land surveyor. These points are usually on the surface of the Earth, and they are often used to establish maps and boundaries for ownership, locations, such as the designed positions of structural components for construction or the surface location of subsurface features, or other purposes required by government or civil law, such as property sales. Surveyors work with elements of geodesy, geometry, trigonometry, regression analysis, physics, engineering, metrology, programming languages, and the law. They use equipment, such as total stations, robotic total stations, theodolites, GNSS receivers, retroreflectors, 3D scanners, LiDAR sensors, radios, inclinometer, handheld tablets, optical and digital levels, subsurface locators, dron ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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