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In industrial engineering , the standard time is the time required by an average skilled operator, working at
a normal pace, to perform a specified task using a prescribed method. [ 1 ] It includes appropriate allowances to allow the person to recover from fatigue and, where necessary, an additional allowance to cover ... | https://en.wikipedia.org/wiki/Standard_time_(manufacturing) |
Standard time is the amount of time that should be allowed for an average worker to process one work unit using the standard method and working at a normal pace. The standard time includes some additional time, called the contingency allowance , to provide for the worker's personal needs, fatigue , and unavoidable dela... | https://en.wikipedia.org/wiki/Standard_time_in_manufacturing |
Standard wind tunnel models , also known as reference models, calibration models ( French : maquettes d'étalonnage ) or test check-standards are objects of relatively simple and precisely defined shapes, having known aerodynamic characteristics, that are tested in wind tunnels . Standard models are used in order to ve... | https://en.wikipedia.org/wiki/Standard_wind_tunnel_models |
The Standardized Precipitation Evapotranspiration Index ( SPEI ) is a multiscalar drought index based on climatic data. It was developed by Vicente-Serrano et al. (2010) at the Pyrenean Institute of Ecology in Zaragoza, Spain . [ 1 ] It can be used for determining the onset, duration and magnitude of drought conditions... | https://en.wikipedia.org/wiki/Standardised_Precipitation_Evapotranspiration_Index |
The consortium for Standardization in Lab Automation (SiLA) is a not-for-profit membership organization formed by software suppliers, system integrators and pharma/biotech companies. It develops and introduces new device and data interface standards allowing rapid integration of lab automation hardware and data managem... | https://en.wikipedia.org/wiki/Standardization_in_Lab_Automation |
Standards for Reporting Enzymology Data (STRENDA) is an initiative as part of the Minimum Information Standards which specifically focuses on the development of guidelines for reporting (describing metadata) enzymology experiments. The initiative is supported by the Beilstein Institute for the Advancement of Chemical S... | https://en.wikipedia.org/wiki/Standards_for_Reporting_Enzymology_Data |
The Standards of Fundamental Astronomy ( SOFA ) software libraries are a collection of subroutines that implement official International Astronomical Union (IAU) algorithms for astronomical computations.
As of February 2009 they are available in both Fortran and C source code format.
The subroutines in the libraries ... | https://en.wikipedia.org/wiki/Standards_of_Fundamental_Astronomy |
A standing crop is the total biomass of the living organisms present in a given environment. [ 1 ] This includes both natural ecosystems and agriculture .
This article about environmental habitats is a stub . You can help Wikipedia by expanding it . | https://en.wikipedia.org/wiki/Standing_crop |
In radio engineering and telecommunications , standing wave ratio ( SWR ) is a measure of impedance matching of loads to the characteristic impedance of a transmission line or waveguide . Impedance mismatches result in standing waves along the transmission line, and SWR is defined as the ratio of the partial standing w... | https://en.wikipedia.org/wiki/Standing_wave_ratio |
Standoff distance is a security term that refers to measures to prevent unscreened and potentially threatening people and vehicles from approaching within a certain distance of a building , car , or other shelter , roadblock or other location, or to a person such as a law enforcement officer or VIP, or to a friendly ar... | https://en.wikipedia.org/wiki/Standoff_distance |
A standpipe or riser is a type of rigid water piping which is built into multi-story buildings in a vertical position, or into bridges in a horizontal position, to which fire hoses can be connected, allowing manual application of water to the fire. Within the context of a building or bridge, a standpipe serves the same... | https://en.wikipedia.org/wiki/Standpipe_(firefighting) |
Stanene [ 1 ] [ 2 ] is a topological insulator , theoretically predicted by Shoucheng Zhang's group at Stanford, [ further explanation needed ] which may display dissipationless currents at its edges near room temperature . It is composed of tin atoms arranged in a single layer, in a manner similar to graphene . [ 3 ] ... | https://en.wikipedia.org/wiki/Stanene |
Stanford DASH was a cache coherent multiprocessor developed in the late 1980s by a group led by Anoop Gupta, John L. Hennessy , Mark Horowitz , and Monica S. Lam at Stanford University . [ 1 ] It was based on adding a pair of directory boards designed at Stanford to up to 16 SGI IRIS 4D Power Series machines and then c... | https://en.wikipedia.org/wiki/Stanford_DASH |
The Stanford Web Credibility Project , which involves assessments of website credibility conducted by the Stanford University Persuasive Technology Lab , is an investigative examination of what leads people to believe in the veracity of content found on the Web. The goal of the project is to enhance website design and... | https://en.wikipedia.org/wiki/Stanford_Web_Credibility_Project |
The Stanford arm is an industrial robot with six degrees of freedom , designed at Stanford University by Victor Scheinman in 1969. [ 1 ] The Stanford arm is a serial manipulator whose kinematic chain consists of two revolute joints at the base, a prismatic joint , and a spherical joint . Because it includes several kin... | https://en.wikipedia.org/wiki/Stanford_arm |
A stanhope or stanho-scope is an optical device that enables the viewing of microphotographs without using a microscope. [ 1 ] [ 2 ] They were invented by René Dagron in 1857. [ 1 ] Dagron bypassed the need for an expensive microscope to view the microscopic photographs by attaching the microphotograph at the end of a ... | https://en.wikipedia.org/wiki/Stanhope_(optical_bijou) |
The Stanhope Demonstrator was the first machine to solve problems in logic. [ 1 ] It was designed by Charles Stanhope, 3rd Earl Stanhope to demonstrate consequences in logic symbolically.
The first model was constructed in 1775. It consisted of two slides coloured red and gray mounted in a square brass frame. This c... | https://en.wikipedia.org/wiki/Stanhope_Demonstrator |
Stanisław Gołąb (July 26, 1902 – April 30, 1980) was a Polish mathematician from Kraków , working in particular on the field of affine geometry .
In 1932, he proved that the perimeter of the unit disc respect to a given metric can take any value in between 6 and 8, and that these extremal values are obtained if and on... | https://en.wikipedia.org/wiki/Stanisław_Gołąb |
Stanko Bilinski (22 April 1909 in Našice – 6 April 1998 in Zagreb ) was a Croatian mathematician and academician. He was a professor at the University of Zagreb and a fellow of the Croatian Academy of Sciences and Arts . [ 1 ]
In 1960, he discovered a rhombic dodecahedron of the second kind, the Bilinski dodecahedron ... | https://en.wikipedia.org/wiki/Stanko_Bilinski |
Stanley Robert Hart (born 20 June 1935 in Swampscott, Massachusetts ) [ 1 ] is an American geologist , geochemist , leading international expert on mantle isotope geochemistry, and pioneer of chemical geodynamics . [ 2 ]
Hart graduated from MIT with a bachelor's degree in geology in 1956 and a master's degree in geoch... | https://en.wikipedia.org/wiki/Stanley_Robert_Hart |
In mathematics and especially in algebraic combinatorics , the Stanley symmetric functions are a family of symmetric functions introduced by Richard Stanley ( 1984 ) in his study of the symmetric group of permutations .
Formally, the Stanley symmetric function F w ( x 1 , x 2 , ...) indexed by a permutation w is defin... | https://en.wikipedia.org/wiki/Stanley_symmetric_function |
The Stanley–Wilf conjecture , formulated independently by Richard P. Stanley and Herbert Wilf in the late 1980s, states that the growth rate of every proper permutation class is singly exponential . It was proved by Adam Marcus and Gábor Tardos ( 2004 ) and is no longer a conjecture. Marcus and Tardos actually proved ... | https://en.wikipedia.org/wiki/Stanley–Wilf_conjecture |
Stannabenzene (C 5 H 6 Sn) is the parent representative of a group of organotin compounds that are related to benzene with a carbon atom replaced by a tin atom. Stannabenzene itself has been studied by computational chemistry , [ 1 ] but has not been isolated.
Stable derivatives of stannabenzene have been isolated. Th... | https://en.wikipedia.org/wiki/Stannabenzene |
Stannane / ˈ s t æ n eɪ n / or tin hydride is an inorganic compound with the chemical formula Sn H 4 . It is a colourless gas and the tin analogue of methane . Stannane can be prepared by the reaction of SnCl 4 and Li[AlH 4 ] . [ 1 ]
Stannane decomposes slowly at room temperature to give metallic tin and hydrogen and ... | https://en.wikipedia.org/wiki/Stannane |
A stannide can refer to an intermetallic compound containing tin combined with one or more other metals; an anion consisting solely of tin atoms or a compound containing such an anion, or, in the field of organometallic chemistry an ionic compound containing an organotin anion (e.g.see [ 1 ] an alternative name for su... | https://en.wikipedia.org/wiki/Stannide |
The Stanton number ( St ), is a dimensionless number that measures the ratio of heat transferred into a fluid to the thermal capacity of fluid. The Stanton number is named after Thomas Stanton (engineer) (1865–1931). [ 1 ] [ 2 ] : 476 It is used to characterize heat transfer in forced convection flows.
S t = h G c p =... | https://en.wikipedia.org/wiki/Stanton_number |
A staple gun or powered stapler is a hand-held machine used to drive heavy metal staples into wood, plastic, or masonry . Staple guns are used for many different applications and to affix a variety of materials, including insulation, house wrap, roofing, wiring, carpeting, upholstery, and hobby and craft materials. The... | https://en.wikipedia.org/wiki/Staple_gun |
A stapler is a mechanical device that joins pages of paper or similar material by driving a thin metal staple through the sheets and folding the ends. Staplers are widely used in government, business, offices , workplaces, homes, and schools . [ 1 ]
The word "stapler" can actually refer to a number of different device... | https://en.wikipedia.org/wiki/Stapler |
A star tracker is an optical device that measures the positions of stars using photocells or a camera. [ 1 ] As the positions of many stars have been measured by astronomers to a high degree of accuracy, a star tracker on a satellite or spacecraft may be used to determine the orientation (or attitude ) of the spacecraf... | https://en.wikipedia.org/wiki/Star-Sighting |
A ceiling painted with stars frequently occurs as a design motif in a cathedral or Christian church , and replicates the Earth 's sky at night . [ 1 ] Ceilings painted with stars are often found in these buildings because of symbolic associations of stars in Christianity , Judaism , and Islam . [ 2 ] In religious build... | https://en.wikipedia.org/wiki/Star-painted_ceiling |
In polymer science , star-shaped polymers are the simplest class of branched polymers with a general structure consisting of several (at least three) linear chains connected to a central core. [ 1 ] The core, or the center, of the polymer can be an atom , molecule , or macromolecule ; the chains, or "arms", consist of ... | https://en.wikipedia.org/wiki/Star-shaped_polymer |
StarFire is a wide-area differential GPS developed by John Deere 's NavCom and precision farming groups. StarFire broadcasts additional "correction information" over Inmarsat satellite's L-band frequencies around the world, allowing a StarFire-equipped receiver to produce position measurements accurate to well under on... | https://en.wikipedia.org/wiki/StarFire_(navigation_system) |
StarHub Limited , commonly known as StarHub , is a Singaporean multinational telecommunications conglomerate and one of the major telcos operating in the country . Founded in 1998, it is listed on the Singapore Exchange (SGX).
StarHub was awarded the license to provide fixed networks and mobile services on 23 April 19... | https://en.wikipedia.org/wiki/StarHub |
The StarPeace Project was a global special project first organised in conjunction with the International Year of Astronomy in 2009. [ 1 ] StarPeace project participants held public star parties near a border of their country with a neighboring country. The intention was to show that there are no borders in the real Ear... | https://en.wikipedia.org/wiki/StarPeace_Project |
StarTram is a proposed space launch system propelled by maglev technology. The initial Generation 1 facility is proposed to launch cargo only from a mountain peak at an altitude of 3 to 7 kilometres (9,800 to 23,000 ft) using an evacuated tube remaining at local surface level. Annual orbital lift was estimated at appro... | https://en.wikipedia.org/wiki/StarTram |
Star Names: Their Lore and Meaning is an 1899 book by Richard Hinckley Allen, [ 1 ] that discusses the names of stars , constellations , and their histories . [ not verified in body ]
Richard Hinckley Allen (1838, near Buffalo, New York – 1908, Northampton, Massachusetts ) was a youthful polymath with interests in "na... | https://en.wikipedia.org/wiki/Star_Names |
Star Walk is an educational astronomy smartphone app developed by Vito Technology which allows users to explore celestial objects in real-time. The application was released in 2009 and is compatible with iOS , Android , and Windows devices. Star Walk has been downloaded by over 10 million users worldwide ever since its... | https://en.wikipedia.org/wiki/Star_Walk |
A star chart is a celestial map of the night sky with astronomical objects laid out on a grid system. They are used to identify and locate constellations , stars , nebulae , galaxies , and planets . [ 1 ] They have been used for human navigation since time immemorial. [ 2 ] Note that a star chart differs from an astron... | https://en.wikipedia.org/wiki/Star_chart |
In geometry , a set S {\displaystyle S} in the Euclidean space R n {\displaystyle \mathbb {R} ^{n}} is called a star domain (or star-convex set , star-shaped set [ 1 ] or radially convex set ) if there exists an s 0 ∈ S {\displaystyle s_{0}\in S} such that for all s ∈ S , {\displaystyle s\in S,} the line segment from s... | https://en.wikipedia.org/wiki/Star_domain |
Star formation is the process by which dense regions within molecular clouds in interstellar space —sometimes referred to as "stellar nurseries" or "star-forming regions"— collapse and form stars . [ 1 ] As a branch of astronomy , star formation includes the study of the interstellar medium (ISM) and giant molecular cl... | https://en.wikipedia.org/wiki/Star_formation |
Star lore or starlore is the creating and cherishing of mythical stories about the stars and star patterns ( constellations and asterisms ); that is, folklore based upon the stars and star patterns. Using the stars to explain religious doctrines or actual events in history is also defined as star lore. Star lore has a ... | https://en.wikipedia.org/wiki/Star_lore |
The Star of David theorem is a mathematical result on arithmetic properties of binomial coefficients . It was discovered by Henry W. Gould in 1972.
The greatest common divisors of the binomial coefficients forming each of the two triangles in the Star of David shape in Pascal's triangle are equal:
Rows 8, 9, and 10 ... | https://en.wikipedia.org/wiki/Star_of_David_theorem |
A star party is a gathering of amateur astronomers for the purpose of observing objects and events in the sky . Local star parties may be one-night affairs, but larger events can last a week or longer and attract hundreds or even thousands of participants. Many astronomy clubs have monthly star parties during the warme... | https://en.wikipedia.org/wiki/Star_party |
In mathematics , the star product is a method of combining graded posets with unique minimal and maximal elements, preserving the property that the posets are Eulerian .
The star product of two graded posets ( P , ≤ P ) {\displaystyle (P,\leq _{P})} and ( Q , ≤ Q ) {\displaystyle (Q,\leq _{Q})} , where P {\displaystyl... | https://en.wikipedia.org/wiki/Star_product |
A star tracker is an optical device that measures the positions of stars using photocells or a camera. [ 1 ] As the positions of many stars have been measured by astronomers to a high degree of accuracy, a star tracker on a satellite or spacecraft may be used to determine the orientation (or attitude ) of the spacecraf... | https://en.wikipedia.org/wiki/Star_tracker |
A star trail is a type of photograph that uses long exposure times to capture diurnal circles , the apparent motion of stars in the night sky due to Earth's rotation . A star-trail photograph shows individual stars as streaks across the image, with longer exposures yielding longer arcs . The term is used for similar ph... | https://en.wikipedia.org/wiki/Star_trail |
A star transit is the passage of a star across the field of view of a telescope eyepiece .
The precise observation of star transits is the basis of many methods in astronomy and in geodesy . The measurements can be done in different ways:
This astronomy -related article is a stub . You can help Wikipedia by expanding... | https://en.wikipedia.org/wiki/Star_transit |
Starch or amylum is a polymeric carbohydrate consisting of numerous glucose units joined by glycosidic bonds . This polysaccharide is produced by most green plants for energy storage. Worldwide, it is the most common carbohydrate in human diets, and is contained in large amounts in staple foods such as wheat , potatoes... | https://en.wikipedia.org/wiki/Starch |
Starch gelatinization is a process of breaking down of intermolecular bonds of starch molecules in the presence of water and heat, allowing the hydrogen bonding sites (the hydroxyl hydrogen and oxygen) to engage more water. This irreversibly dissolves the starch granule in water. Water acts as a plasticizer .
Three ma... | https://en.wikipedia.org/wiki/Starch_gelatinization |
A starch mogul is a machine that makes shaped candies or candy centers from syrups or gels, such as gummi candy . [ 1 ] These softer candies and centers are made by filling a tray with cornstarch , stamping the desired shape into the starch, and then pouring the filling or gel into the holes made by the stamp. When th... | https://en.wikipedia.org/wiki/Starch_mogul |
Starcom Systems Inc. is a company based in Jersey , Channel Islands, specializing in wireless systems for remote tracking , monitoring and protection of a variety of assets. Among the company's products are tracking and security systems for vehicles, shipping containers, merchandise and people. Its two main products ar... | https://en.wikipedia.org/wiki/Starcom_Systems |
Founded in 1993 by ex- Microsoft development manager David Snipp [ 2 ] Stardraw is a company that makes audio/visual system integration and design software. [ 3 ]
Stardraw has two different but related sets of software both for the Audio-visual (A/V) market
Stardraw's design software is for creating documentation of ... | https://en.wikipedia.org/wiki/Stardraw |
Starfish , or sea stars, are radially symmetrical , star-shaped organisms of the phylum Echinodermata and the class Asteroidea . [ 1 ] Aside from their distinguishing shape, starfish are most recognized for their remarkable ability to regenerate , or regrow, arms and, in some cases, entire bodies. While most species re... | https://en.wikipedia.org/wiki/Starfish_regeneration |
The Stark effect is the shifting and splitting of spectral lines of atoms and molecules due to the presence of an external electric field . It is the electric-field analogue of the Zeeman effect , where a spectral line is split into several components due to the presence of the magnetic field . Although initially coine... | https://en.wikipedia.org/wiki/Stark_effect |
Stark spectroscopy (sometimes known as electroabsorption/emission spectroscopy ) is a form of spectroscopy based on the Stark effect . In brief, this technique makes use of the Stark effect (or electrochromism) either to reveal information about the physiochemical or physical properties of a sample using a well-charact... | https://en.wikipedia.org/wiki/Stark_spectroscopy |
STARLIMS Corporation (STARLIMS) is a portfolio company of Francisco Partners that provides web-based laboratory information management systems .
The company was founded by Itschak Friedman and Dinu Toiba in Israel in 1986, and developed and sold LIMS software. The company was renamed to STARLIMS. [ 1 ] By 2005, the co... | https://en.wikipedia.org/wiki/Starlims |
Starlink is a satellite internet constellation operated by Starlink Services, LLC , an international telecommunications provider that is a wholly owned subsidiary of American aerospace company SpaceX , [ 5 ] providing coverage to around 125 countries and territories. [ 6 ] It also aims to provide global mobile broadban... | https://en.wikipedia.org/wiki/Starlink |
The Starlink Project , referred to by users as Starlink and by developers as simply The Project , was a UK astronomical computing project which supplied general-purpose data reduction software. Until the late 1990s, it also supplied computing hardware and system administration personnel to UK astronomical institutes. I... | https://en.wikipedia.org/wiki/Starlink_Project |
The Starmus International Festival is an international gathering focused on celebrating astronomy, space exploration, music, art, and the natural sciences. It was founded by astronomer / amateur musician Garik Israelian and musician / astrophysicist Brian May . The festival has featured multiple well-known astronauts a... | https://en.wikipedia.org/wiki/Starmus_Festival |
Stars-AO [ 2 ] also known as Aoi is an experimental cubesat with a small camera packaged. It uses amateur radio frequencies to communicate with the ground.
This spacecraft or satellite related article is a stub . You can help Wikipedia by expanding it . | https://en.wikipedia.org/wiki/Stars-AO |
Stars proposed in religion may include: | https://en.wikipedia.org/wiki/Stars_proposed_in_religion |
The Stars virus is a computer virus which infects computers running Microsoft Windows . It was named and discovered by Iranian authorities in April 2011. Iran claimed it was used as a tool to commit espionage . [ 1 ] [ 2 ] Western researchers came to believe it is probably the same thing as the Duqu virus, part of the ... | https://en.wikipedia.org/wiki/Stars_virus |
The start codon is the first codon of a messenger RNA (mRNA) transcript translated by a ribosome . The start codon always codes for methionine in eukaryotes and archaea and a N -formylmethionine (fMet) in bacteria, mitochondria and plastids .
The start codon is often preceded by a 5' untranslated region ( 5' UTR ). In... | https://en.wikipedia.org/wiki/Start_codon |
In telecommunications , a start signal is a signal that prepares a device to receive data or to perform a function.
In asynchronous serial communication , start signals are used at the beginning of a character that prepares the receiving device for the reception of the code elements.
A start signal is limited to one ... | https://en.wikipedia.org/wiki/Start_signal |
A startup ecosystem is formed by people in startups in their various stages, and various types of organizations in a location (physical or virtual) that are interacting as a system to create and scale new startup companies . These organizations can be further divided into categories such as universities, funding organi... | https://en.wikipedia.org/wiki/Startup_ecosystem |
Starvation response in animals (including humans) is a set of adaptive biochemical and physiological changes, triggered by lack of food or extreme weight loss, in which the body seeks to conserve energy by reducing metabolic rate and/or non-resting energy expenditure to prolong survival and preserve body fat and lean m... | https://en.wikipedia.org/wiki/Starvation_response |
In emulsion polymerization , starve-fed refers to a method of monomer addition where the monomer is introduced gradually into the reaction vessel at a rate that allows the majority of monomer to be consumed by the reaction before more is added. The purpose of this method is generally to control the distribution of diff... | https://en.wikipedia.org/wiki/Starve-fed |
Statary is a term currently applied in fields such as ecology , ethology , psychology . In modern use it contrasts on the one hand with such concepts as migratory , nomadic , or shifting , and on the other with static or immobile . The word also is of historical interest in its change of meaning as its usage changed.
... | https://en.wikipedia.org/wiki/Statary |
State-universal coupled cluster ( SUCC ) method is one of several multi-reference coupled-cluster (MR) generalizations of single-reference coupled cluster method. It was first formulated by Bogumił Jeziorski and Hendrik Monkhorst in their work published in Physical Review A in 1981. State-universal coupled cluster is o... | https://en.wikipedia.org/wiki/State-universal_coupled_cluster |
The State Research Center for Applied Microbiology (aka Institute of Microbiology [ 1 ] and NPO Biosintez ; [ 2 ] Russian : Государственный научный центр прикладной микробиологии и биотехнологии ) is a research laboratory in Obolensk, Moscow Oblast .
The facility was built in the 1970s after the Biological Weapons Con... | https://en.wikipedia.org/wiki/State_Research_Center_for_Applied_Microbiology |
GosNII «Kristall» OJSC ( Gosudarstvenny Nauchno-Issledovatel'skiy Institut «Kristall», State-Owned Scientific-Research Institute "Crystal") (AKA Factory 80) is a chemical factory in Dzerzhinsk (formerly Rastyapino), Nizhny Novgorod Oblast , Russia. It manufactures explosives and non-standard chemical equipment.
The fa... | https://en.wikipedia.org/wiki/State_Research_Institute_Kristall |
State Scientific Research Institute of Aviation Systems or GosNIIAS for short ( Russian : ГосНИИАС ) is a Russian aerospace research centre. Founded by the decree of the Council of Ministers of the USSR on 26 February 1946 from a number of laboratories of the Flight Research Institute for operations research and aviati... | https://en.wikipedia.org/wiki/State_Scientific_Research_Institute_of_Aviation_Systems |
In the thermodynamics of equilibrium , a state function , function of state , or point function for a thermodynamic system is a mathematical function relating several state variables or state quantities (that describe equilibrium states of a system) that depend only on the current equilibrium thermodynamic state of the... | https://en.wikipedia.org/wiki/State_function |
A state microbe is a microorganism used as an official state symbol. Several U.S. states have honored microorganisms by nominating them to become official state symbols . The first state to declare an Official State Microbe is Oregon which chose Saccharomyces cerevisiae (brewer's or baker's yeast ) as the Official Mic... | https://en.wikipedia.org/wiki/State_microbe |
In philosophy , a state of affairs ( German : Sachverhalt ), [ 1 ] also known as a situation , is a way the actual world must be in order to make some given proposition about the actual world true; in other words, a state of affairs is a truth-maker , whereas a proposition is a truth-bearer . Whereas states of affairs ... | https://en.wikipedia.org/wiki/State_of_affairs_(philosophy) |
The state postulate is a term used in thermodynamics that defines the given number of properties to a thermodynamic system in a state of equilibrium . It is also sometimes referred to as the state principle. [ 1 ] The state postulate allows a finite number of properties to be specified in order to fully describe a stat... | https://en.wikipedia.org/wiki/State_postulate |
In computer science , a state space is a discrete space representing the set of all possible configurations of a system. [ 1 ] It is a useful abstraction for reasoning about the behavior of a given system and is widely used in the fields of artificial intelligence and game theory .
For instance, the toy problem Vacuum... | https://en.wikipedia.org/wiki/State_space_(computer_science) |
State switching (a.k.a. phenotypic switching ) is a fundamental physiological process in which a cell/organism undergoes spontaneous, and potentially reversible, transitions between different phenotypes . Thus, the ability to switch states/phenotypes ( phenotypic plasticity ) is a key feature of development and normal... | https://en.wikipedia.org/wiki/State_switching |
A statement of work ( SOW ) is a document routinely employed in the field of project management . It is the narrative description of a project's work requirement. [ 1 ] : 426 It defines project-specific activities, deliverables and timelines for a vendor providing services to the client. The SOW typically also includes... | https://en.wikipedia.org/wiki/Statement_of_work |
On May 30, 2023, hundreds of artificial intelligence experts and other notable figures signed the following short Statement on AI Risk : [ 1 ] [ 2 ] [ 3 ]
Mitigating the risk of extinction from AI should be a global priority alongside other societal-scale risks such as pandemics and nuclear war.
At release time, the ... | https://en.wikipedia.org/wiki/Statement_on_AI_risk_of_extinction |
The " Statement on Chemical and Biological Defense Policies and Programs " was a speech delivered on November 25, 1969, by U.S. President Richard Nixon . In the speech, Nixon announced the end of the U.S. offensive biological weapons program and reaffirmed a no-first-use policy for chemical weapons . The statement excl... | https://en.wikipedia.org/wiki/Statement_on_Chemical_and_Biological_Defense_Policies_and_Programs |
Static Context Header Compression (SCHC) is a standard compression and fragmentation mechanism defined in the IPv6 over LPWAN working group at the IETF . It offers compression and fragmentation of IPv6 / UDP / CoAP packets to allow their transmission over the Low-Power Wide-Area Networks (LPWAN) .
Low-Power Wide-Area ... | https://en.wikipedia.org/wiki/Static_Context_Header_Compression |
In integrated circuit design , static core generally refers to a microprocessor (MPU) entirely implemented in static logic . [ 1 ] A static core MPU may be halted by stopping the system clock oscillator that is driving it, maintaining its state and resume processing at the point where it was stopped when the clock sign... | https://en.wikipedia.org/wiki/Static_core |
Static fatigue, sometimes referred to as delayed fracture, describes the progressive cracking and eventual failure of materials under a constant, sustained stress . [ 1 ] (It is different from fatigue , which refers to the deformation and eventual failure of materials subjected to cyclical stresses .) With static fatig... | https://en.wikipedia.org/wiki/Static_fatigue |
Static grass is used in scale models and miniatures to create realistic-looking grass textures. It consists of small coloured fibres charged with static electricity , making them stand on end when sprinkled onto a surface coated with glue that then hardens, holding the fibres in place.
Static grass is usually prepare... | https://en.wikipedia.org/wiki/Static_grass |
Static light scattering is a technique in physical chemistry that measures the intensity of the scattered light to obtain the average molecular weight M w of a macromolecule like a polymer or a protein in solution. Measurement of the scattering intensity at many angles allows calculation of the root mean square radius,... | https://en.wikipedia.org/wiki/Static_light_scattering |
A static mixer is a device for the continuous mixing of fluid materials, without moving components. [ 1 ] Normally the fluids to be mixed are liquid, but static mixers can also be used to mix gas streams, disperse gas into liquid or blend immiscible liquids . The energy needed for mixing comes from a loss in pressure a... | https://en.wikipedia.org/wiki/Static_mixer |
In fluid mechanics the term static pressure refers to a term in Bernoulli's equation written words as static pressure + dynamic pressure = total pressure . Since pressure measurements at any single point in a fluid always give the static pressure value, the 'static' is often dropped.
In the design and operation of airc... | https://en.wikipedia.org/wiki/Static_pressure |
In metric theories of gravitation , particularly general relativity , a static spherically symmetric perfect fluid solution (a term which is often abbreviated as ssspf ) is a spacetime equipped with suitable tensor fields which models a static round ball of a fluid with isotropic pressure .
Such solutions are often us... | https://en.wikipedia.org/wiki/Static_spherically_symmetric_perfect_fluid |
In cosmology , a static universe (also referred to as stationary , infinite , static infinite or static eternal ) is a cosmological model in which the universe is both spatially and temporally infinite, and space is neither expanding nor contracting. Such a universe does not have so-called spatial curvature ; that is t... | https://en.wikipedia.org/wiki/Static_universe |
Static wicks , also called static dischargers or static discharge wicks , are devices used to remove static electricity from aircraft in flight. They take the form of small sticks pointing backwards from the wings, and are fitted on almost all civilian aircraft. [ 1 ]
Precipitation static is an electrical charge on an... | https://en.wikipedia.org/wiki/Static_wick |
Stationary-wave integrated Fourier-transform spectrometry ( SWIFTS ), or standing-wave integrated Fourier-transform spectrometry , is an analytical technique used for measuring the distribution of light across an optical spectrum . SWIFTS technology is based on a near-field Lippmann architecture. An optical signal is i... | https://en.wikipedia.org/wiki/Stationary-wave_integrated_Fourier-transform_spectrometry |
A stationary engine is an engine whose framework does not move. They are used to drive immobile equipment, such as pumps , generators , mills or factory machinery, or cable cars . The term usually refers to large immobile reciprocating engines , principally stationary steam engines [ 1 ] and, to some extent, stationar... | https://en.wikipedia.org/wiki/Stationary_engine |
In celestial mechanics , a stationary orbit is an orbit around a planet or moon where the orbiting satellite or spacecraft remains over the same spot on the surface. From the ground, the satellite would appear to be standing still, hovering above the surface in the same spot, day after day. [ 1 ]
In practice, this is ... | https://en.wikipedia.org/wiki/Stationary_orbit |
In mathematics , the stationary phase approximation is a basic principle of asymptotic analysis , applying to functions given by integration against a rapidly-varying complex exponential.
This method originates from the 19th century, and is due to George Gabriel Stokes and Lord Kelvin . [ 1 ] It is closely related to ... | https://en.wikipedia.org/wiki/Stationary_phase_approximation |
Statistical Physics of Particles and Statistical Physics of Fields are a two-volume series of textbooks by Mehran Kardar . Each book is based on a semester-long course taught by Kardar at the Massachusetts Institute of Technology . They cover statistical physics and thermodynamics at the graduate level. [ 1 ] [ 2 ] [ 3... | https://en.wikipedia.org/wiki/Statistical_Physics_of_Particles |
Statistical associating fluid theory ( SAFT ) [ 1 ] [ 2 ] is a chemical theory, based on perturbation theory , that uses statistical thermodynamics to explain how complex fluids and fluid mixtures form associations through hydrogen bonds . [ 3 ] Widely used in industry and academia, it has become a standard approach fo... | https://en.wikipedia.org/wiki/Statistical_associating_fluid_theory |
Statistical Coupling Analysis (SCA) is a method used in bioinformatics to study how pairs of amino acids in a protein sequence evolve together . It analyzes a multiple sequence alignment (MSA), which is a display of the sequences of many related proteins arranged to highlight similarities and differences. SCA measures ... | https://en.wikipedia.org/wiki/Statistical_coupling_analysis |
Statistical energy analysis (SEA) is a method for predicting the transmission of sound and vibration through complex structural acoustic systems. The method is particularly well suited for quick system level response predictions at the early design stage of a product, and for predicting responses at higher frequencies.... | https://en.wikipedia.org/wiki/Statistical_energy_analysis |
In theoretical physics , statistical field theory ( SFT ) is a theoretical framework that describes phase transitions . [ 1 ] It does not denote a single theory but encompasses many models, including for magnetism , superconductivity , superfluidity , [ 2 ] topological phase transition , wetting [ 3 ] [ 4 ] as well as ... | https://en.wikipedia.org/wiki/Statistical_field_theory |
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