text stringlengths 11 320k | source stringlengths 26 161 |
|---|---|
Sapropel (a contraction of Ancient Greek words sapros and pelos , meaning putrefaction and mud (or clay), respectively) is a term used in marine geology to describe dark-coloured sediments that are rich in organic matter . Organic carbon concentrations in sapropels commonly exceed 2 wt.% in weight.
The term sapropel e... | https://en.wikipedia.org/wiki/Sapropel |
Saprophages are organisms that obtain nutrients by consuming decomposing dead plant or animal biomass. [ 1 ] They are distinguished from detritivores in that saprophages are sessile consumers while detritivores are mobile. [ citation needed ] Typical saprophagic animals include sedentary polychaetes such as amphitrites... | https://en.wikipedia.org/wiki/Saprophagy |
Saprotrophic bacteria are bacteria that are typically soil-dwelling and utilize saprotrophic nutrition as their primary energy source. They are often associated with soil fungi that also use saprotrophic nutrition and both are classified as saprotrophs. [ 1 ]
A saprotroph is a type of decomposer that feeds exclusively... | https://en.wikipedia.org/wiki/Saprotrophic_bacteria |
Saprotrophic nutrition / s æ p r ə ˈ t r ɒ f ɪ k , - p r oʊ -/ [ 1 ] or lysotrophic nutrition [ 2 ] [ 3 ] is a process of chemoheterotrophic extracellular digestion involved in the processing of decayed (dead or waste) organic matter . It occurs in saprotrophs , and is most often associated with fungi (e.g. Mucor ) and... | https://en.wikipedia.org/wiki/Saprotrophic_nutrition |
System Activity Report ( sar ) is a Unix System V -derived system monitor command used to report on various system loads, including CPU activity, memory/paging, interrupts, device load, network and swap space utilization. Sar uses / proc filesystem for gathering information. [ 2 ]
Sar was originally developed for the ... | https://en.wikipedia.org/wiki/Sar_(Unix) |
Sara Rietti ( Buenos Aires , 3 December 1930 – Buenos Aires, 28 May 2017), also known as Sara Bartfeld de Rietti , was the first nuclear chemist from Argentina. She was Chief of Staff of the Ministry of Science and Technology during the government of President Raúl Alfonsín . [ 1 ]
Rietti began studying chemistry in 1... | https://en.wikipedia.org/wiki/Sara_Rietti |
The Sarah Berliner Research Fellowship for Women was established in 1908 by Emile Berliner in honor of his mother, and first awarded in 1909. The fellowship was award biennially and provided $1200 to support a woman studying physics, chemistry, or biology in either America or Europe. The fellowship was open to women ... | https://en.wikipedia.org/wiki/Sarah_Berliner_Research_Fellowship |
Sarah Elaine B. Petrie is a Canadian and American physical chemist who worked for the research laboratories of Eastman Kodak and became known for her research on the thermal properties of glasses , polymers , and liquid crystals .
Petrie earned a Ph.D. in chemistry in 1957 from the University of Toronto , with the dis... | https://en.wikipedia.org/wiki/Sarah_E._Petrie |
Sarah Elizabeth Whitin (born April 18, 1836, died Dec 26, 1917 [ 1 ] ) was sole benefactor of the Whitin Observatory , which she had built on the campus of Wellesley College near Boston. [ 2 ]
She was born Sarah Elizabeth Pratt , daughter of a physician in Hopkinton, Mass. In her childhood, Sarah Elizabeth was fascina... | https://en.wikipedia.org/wiki/Sarah_Elizabeth_Whitin |
Sarah Glaz (born 1947) [ 1 ] is a mathematician and mathematical poet. [ 2 ] Her research specialty is commutative algebra ; she is a professor emeritus of mathematics at the University of Connecticut .
Glaz was born in Bucharest , Romania , and earned a bachelor's degree in 1972 at Tel Aviv University , Israel . [ 3 ... | https://en.wikipedia.org/wiki/Sarah_Glaz |
In mathematics complex analysis , the Sarason interpolation theorem , introduced by Sarason ( 1967 ), is a generalization of the Caratheodory interpolation theorem and Nevanlinna–Pick interpolation .
This mathematical analysis –related article is a stub . You can help Wikipedia by expanding it . | https://en.wikipedia.org/wiki/Sarason_interpolation_theorem |
Saratoga Water, also known as Saratoga Spring Water and Saratoga, is a bottled-water company founded in 1872 in Saratoga Springs, New York . [ 1 ] [ 2 ] [ 3 ] [ 4 ] [ 5 ] Saratoga Spring Water is sold in sparkling and still versions in a cobalt-blue bottle. [ 2 ] [ 6 ] Saratoga Water is a brand of BlueTriton Brands . [... | https://en.wikipedia.org/wiki/Saratoga_Water |
6345
106393
ENSG00000185739
ENSMUSG00000022519
Q86TD4
Q7TQ48
NM_001098814 NM_001323667 NM_001323668
NM_175347 NM_001347162 NM_001361474
NP_001092284 NP_001310596 NP_001310597
NP_001334091 NP_780556 NP_001348403
Sarcalumenin is a protein that in humans is encoded by the SRL gene . [ 5 ] [ 6 ]
Sarcalumenin is ... | https://en.wikipedia.org/wiki/Sarcalumenin |
Sarcopenia ( ICD-10-CM code M62.84 [ 1 ] ) is a type of muscle loss that occurs with aging and/or immobility . It is characterized by the degenerative loss of skeletal muscle mass, quality, and strength. The rate of muscle loss is dependent on exercise level, co-morbidities, nutrition and other factors. The muscle los... | https://en.wikipedia.org/wiki/Sarcopenia |
The sarcoplasmic reticulum ( SR ) is a membrane -bound structure found within muscle cells that is similar to the smooth endoplasmic reticulum in other cells . The main function of the SR is to store calcium ions (Ca 2+ ). Calcium ion levels are kept relatively constant, with the concentration of calcium ions within a ... | https://en.wikipedia.org/wiki/Sarcoplasmic_reticulum |
In mathematics , Sard's theorem , also known as Sard's lemma or the Morse–Sard theorem , is a result in mathematical analysis that asserts that the set of critical values (that is, the image of the set of critical points ) of a smooth function f from one Euclidean space or manifold to another is a null set , i.e., it h... | https://en.wikipedia.org/wiki/Sard's_theorem |
In coding theory , the Sardinas–Patterson algorithm is a classical algorithm for determining in polynomial time whether a given variable-length code is uniquely decodable, named after August Albert Sardinas and George W. Patterson, who published it in 1953. [ 1 ] The algorithm carries out a systematic search for a stri... | https://en.wikipedia.org/wiki/Sardinas–Patterson_algorithm |
The KwaZulu-Natal sardine run of southern Africa occurs from May through July when billions of sardines – or more specifically the Southern African pilchard Sardinops sagax – spawn in the cool waters of the Agulhas Bank and move northward along the east coast of South Africa . Their sheer numbers create a feeding frenz... | https://en.wikipedia.org/wiki/Sardine_run |
Sarepta Therapeutics, Inc. is a medical research and drug development company with corporate offices and research facilities in Cambridge, Massachusetts , United States. Incorporated in 1980 as AntiVirals , [ 2 ] shortly before going public the company changed its name from AntiVirals to AVI BioPharma soon with stock s... | https://en.wikipedia.org/wiki/Sarepta_Therapeutics |
The Sarett oxidation is an organic reaction that oxidizes primary and secondary alcohols to aldehydes and ketones , respectively, using chromium trioxide and pyridine . Unlike the similar Jones oxidation , the Sarett oxidation will not further oxidize primary alcohols to their carboxylic acid form, neither will it affe... | https://en.wikipedia.org/wiki/Sarett_oxidation |
Saridegib , also known as IPI-926 , is an experimental drug candidate undergoing clinical trials for the treatment of various types of cancer, including hard-to-treat hematologic malignancies such as myelofibrosis and ligand-dependent tumors such as chondrosarcoma . [ 1 ] IPI-926 exhibits its pharmacological effect by ... | https://en.wikipedia.org/wiki/Saridegib |
Sarin ( NATO designation GB [short for G-series , "B"]) is an extremely toxic organophosphorus compound . [ 4 ] that has been often used as a chemical weapon due to its extreme potency as a nerve agent .
Sarin is a volatile, colorless and odorless liquid. Exposure can be lethal even at very low concentrations, and dea... | https://en.wikipedia.org/wiki/Sarin |
Sarking is an English word with multiple meanings in roof construction:
In New Zealand, both corrugated metal and asbestos-cement shingle roofs were fitted directly over wooden sarking boards in the historical "bungalow" style of house construction. [ 2 ] [ 3 ] | https://en.wikipedia.org/wiki/Sarking |
In biology , a stolon ( / ˈ s t oʊ l ɒ n / from Latin stolō , genitive stolōnis – "branch"), also known as a runner , is a horizontal connection between parts of an organism. It may be part of the organism, or of its skeleton . Typically, animal stolons are exoskeletons (external skeletons).
In botany , stolons are pl... | https://en.wikipedia.org/wiki/Sarmentose_(botany) |
The saros ( / ˈ s ɛər ɒ s / ⓘ ) is a period of exactly 223 synodic months , [ a ] 18 years 11 days and 8 hours, [ 2 ] [ 1 ] that can be used to predict eclipses of the Sun and Moon . One saros period after an eclipse, the Sun, Earth , and Moon return to approximately the same relative geometry, a near straight line, an... | https://en.wikipedia.org/wiki/Saros_(astronomy) |
Sarpa or SARPA (Snake Awareness, Rescue and Protection app) is a snakebite app , an application for mobile devices developed in India to provide rapid, life-saving help for victims of snakebite, which kill an estimated 58,000 people a year in India. [ 1 ] [ 2 ] The app provides information about snakes, gets fast aid f... | https://en.wikipedia.org/wiki/Sarpa_(snakebite_app) |
Sasaki is a design firm specializing in Architecture , Interior Design , Urban Design , Space Planning, Landscape Architecture , Ecology , Civil Engineering , and Place Branding . [ 1 ] The firm is headquartered in Boston, Massachusetts, but practices on an international scale, with offices in Shanghai, [ 2 ] and Denve... | https://en.wikipedia.org/wiki/Sasaki_(company) |
Satellite crop monitoring is the technology which facilitates real-time crop vegetation index monitoring via spectral analysis [ 1 ] of high resolution satellite images for different fields and crops which enables to track positive and negative dynamics of crop development. [ 2 ] [ 3 ] The difference in vegetation inde... | https://en.wikipedia.org/wiki/Satellite_crop_monitoring |
A satellite data unit (SDU) is an avionics device installed in an aircraft that allows air/ground communication via a satellite network . It is an integral part of an aircraft's SATCOM (satellite communication) system. The device connects with a satellite via ordinary radio frequency (RF) communication and the satellit... | https://en.wikipedia.org/wiki/Satellite_data_unit |
Satellite delay is the noticeable latency due to the limited speed of light , when sending data to and from satellites, especially distant geosynchronous satellites . Bouncing a signal off a geosynchronous satellite takes about a quarter of a second, which is enough to be noticeable, but relaying data between two or t... | https://en.wikipedia.org/wiki/Satellite_delay |
Satellite formation flying is the coordination of multiple satellites to accomplish the objective of one larger, usually more expensive, satellite. [ 1 ] Coordinating smaller satellites has many benefits over single satellites including simpler designs, faster build times, cheaper replacement creating higher redundancy... | https://en.wikipedia.org/wiki/Satellite_formation_flying |
A satellite navigation ( satnav ) device or GPS device is a device that uses satellites of the Global Positioning System (GPS) or similar global navigation satellite systems (GNSS).
A satnav device can determine the user's geographic coordinates and may display the geographical position on a map and offer routing direc... | https://en.wikipedia.org/wiki/Satellite_navigation_device |
Satellite navigation software or GNSS navigation software a category of software that provide positioning services by utilizing data from satellite navigation systems .
Key functions of satellite navigation software usually includes:
Additional functions that extends the capabilities of satellite navigation software ... | https://en.wikipedia.org/wiki/Satellite_navigation_software |
A satellite telephone , satellite phone or satphone is a type of mobile phone that connects to other phones or the telephone network by radio link through satellites orbiting the Earth instead of terrestrial cell sites , as cellphones do. Therefore, they can work in most geographic locations on the Earth's surface, as ... | https://en.wikipedia.org/wiki/Satellite_phone |
Sativa , [ 1 ] sativus , [ 2 ] and sativum [ 3 ] are Latin botanical adjectives meaning cultivated . It is often associated botanically with plants that promote good health and used to designate certain seed-grown domestic crops. [ 4 ]
Sativa (ending in -a) is the feminine form of the adjective, but masculine (-us) an... | https://en.wikipedia.org/wiki/Sativum |
Satmap Systems Limited is a United Kingdom company founded on 19 October 2005 and based in Leatherhead , Surrey . [ 1 ] Since 2007 it has produced a standalone handheld GPS satellite navigation mapping device for use by walkers, cyclists, mountain rescue , emergency services and the military.
The company closed in 202... | https://en.wikipedia.org/wiki/Satmap |
Satoyasu Iimori (19 October 1885 – 13 October 1982) was a Japanese analytical chemist and a pioneer of radiochemistry. He is so called "the father of radiochemistry in Japan", for his establishment of and contribution to the study of radiochemistry which was not developed at that time in Japan. [ 2 ]
He was an honorar... | https://en.wikipedia.org/wiki/Satoyasu_Iimori |
Saturate, Aromatic, Resin and Asphaltene (SARA) is an analysis method that divides crude oil components according to their polarizability and polarity. The saturate fraction consists of nonpolar material including linear, branched, and cyclic saturated hydrocarbons ( paraffins ). Aromatics , which contain one or more... | https://en.wikipedia.org/wiki/Saturate,_aromatic,_resin_and_asphaltene |
Saturated absorption spectroscopy measures the transition frequency of an atom or molecule between its ground state and an excited state . In saturated absorption spectroscopy, two counter-propagating, overlapped laser beams are sent through a sample of atomic gas. One of the beams stimulates photon emission in excited... | https://en.wikipedia.org/wiki/Saturated_absorption_spectroscopy |
A saturated compound is a chemical compound (or ion) that resists addition reactions , such as hydrogenation , oxidative addition , and binding of a Lewis base . The term is used in many contexts and classes of chemical compounds. Overall, saturated compounds are less reactive than unsaturated compounds. Saturation is... | https://en.wikipedia.org/wiki/Saturated_and_unsaturated_compounds |
A saturated fat is a type of fat in which the fatty acid chains have all single bonds between the carbon atoms. A fat known as a glyceride is made of two kinds of smaller molecules: a short glycerol backbone, and fatty acids that each contain a long linear or branched chain of carbon (C) atoms. Along the chain, some c... | https://en.wikipedia.org/wiki/Saturated_fat |
In mathematical logic , and particularly in its subfield model theory , a saturated model M is one that realizes as many complete types as may be "reasonably expected" given its size. For example, an ultrapower model of the hyperreals is ℵ 1 {\displaystyle \aleph _{1}} -saturated, meaning that every descending nested ... | https://en.wikipedia.org/wiki/Saturated_model |
In mathematics , particularly in the subfields of set theory and topology , a set C {\displaystyle C} is said to be saturated with respect to a function f : X → Y {\displaystyle f:X\to Y} if C {\displaystyle C} is a subset of f {\displaystyle f} 's domain X {\displaystyle X} and if whenever f {\displaystyle f} sends tw... | https://en.wikipedia.org/wiki/Saturated_set |
Saturation arithmetic is a version of arithmetic in which all operations, such as addition and multiplication , are limited to a fixed range between a minimum and maximum value.
If the result of an operation is greater than the maximum, it is set (" clamped ") to the maximum; if it is below the minimum, it is clamped ... | https://en.wikipedia.org/wiki/Saturation_arithmetic |
A saturation dome is a graphical representation of the combination of vapor and gas that is used in thermodynamics . It can be used to find either the pressure or the specific volume as long as one already has at least one of these properties .
A saturation dome uses the projection of a P– v –T diagram (pressure, spec... | https://en.wikipedia.org/wiki/Saturation_dome |
Saturation mutagenesis , or site saturation mutagenesis (SSM) , or simply site saturation , is a random mutagenesis technique used in protein engineering , in which a single codon or set of codons is substituted with all possible amino acids at the position. [ 1 ] There are many variants of the site saturation techniqu... | https://en.wikipedia.org/wiki/Saturation_mutagenesis |
In thermodynamics , the saturation vapor curve is the curve separating the two- phase state and the superheated vapor state in the T–s diagram ( temperature–entropy diagram ).
The saturated liquid curve is the curve separating the subcooled liquid state and the two-phase state in the T–s diagram. [ 1 ]
When used in a... | https://en.wikipedia.org/wiki/Saturation_vapor_curve |
The saturation vapor density (SVD) is the maximum density of water vapor in air at a given temperature. [ 1 ] The concept is related to saturation vapor pressure (SVP). It can be used to calculate exact quantity of water vapor in the air from a relative humidity (RH = % local air humidity measured / local total air hum... | https://en.wikipedia.org/wiki/Saturation_vapor_density |
Saturation velocity is the maximum velocity a charge carrier in a semiconductor , generally an electron , attains in the presence of very high electric fields . [ 1 ] When this happens, the semiconductor is said to be in a state of velocity saturation . [ 2 ] Charge carriers normally move at an average drift speed prop... | https://en.wikipedia.org/wiki/Saturation_velocity |
Saturn's hexagon is a persistent approximately hexagonal cloud pattern around the north pole of the planet Saturn , located at about 78°N. [ 1 ] [ 2 ] [ 3 ] The sides of the hexagon are about 14,500 km (9,000 mi) long, [ 4 ] [ 5 ] [ 6 ] [ 7 ] which is about 2,000 km (1,200 mi) longer than the diameter of Earth . [ 8 ] ... | https://en.wikipedia.org/wiki/Saturn's_hexagon |
Planetary symbols are used in astrology and traditionally in astronomy to represent a classical planet (which includes the Sun and the Moon) or one of the modern planets. The classical symbols were also used in alchemy for the seven metals known to the ancients , which were associated with the planets , and in calendar... | https://en.wikipedia.org/wiki/Saturn_symbol |
Satya N. Atluri ICCES Medal is a Medal awarded annually by ICCES (International Conference on Computational & Experimental Engineering and Sciences) and Tech Science Press to an individual who has had a significant impact on the world of engineering, the sciences, and commerce, and the well-being of the society at larg... | https://en.wikipedia.org/wiki/Satya_N._Atluri_ICCES_Medal |
In early military engineering , a saucisson ( French for a large, dry-filled sausage ) was a primitive type of fuse , consisting of a long tube or hose of cloth or leather, typically about an inch and half in diameter (37 mm), damp-proofed with pitch and filled with black powder . It was normally laid in a protective w... | https://en.wikipedia.org/wiki/Saucisson_(pyrotechnics) |
The Saudi Council of Engineers ( SCE ; Arabic : الهيئة السعودية للمهندسين ) is a professional body intended to promote the engineering profession and develop and upgrade its standards and those practicing it. It operates under the supervision of Ministry of Commerce and Investment with headquarters in Riyadh .
The cou... | https://en.wikipedia.org/wiki/Saudi_Council_of_Engineers |
In 2014 and 2015, a team of Saudi agents allegedly stole proprietary and sensitive personal data from the American social media platform Twitter , in order to unmask anonymous dissidents of Saudi Arabia . Email addresses, phone numbers, internet IP addresses, dates of birth and a history of all the users' activity of S... | https://en.wikipedia.org/wiki/Saudi_infiltration_of_Twitter |
In combinatorial mathematics and extremal set theory , the Sauer–Shelah lemma states that every family of sets with small VC dimension consists of a small number of sets. It is named after Norbert Sauer and Saharon Shelah , who published it independently of each other in 1972. [ 1 ] [ 2 ] The same result was also publi... | https://en.wikipedia.org/wiki/Sauer–Shelah_lemma |
Sauropod neck posture is a subject occasionally debated among scientists, with some favoring postures closer to horizontal whilst others a more upright posture. Research has looked at various avenues of evidence and analysis including: attempting to reconstruct the neutral posture of their necks and estimating range of... | https://en.wikipedia.org/wiki/Sauropod_neck_posture |
In fluid dynamics , Sauter mean diameter ( SMD ) is an average measure of particle size . It was originally developed by German scientist Josef Sauter in the late 1920s. [ 1 ] [ 2 ] It is defined as the diameter of a sphere that has the same volume/surface area ratio as a particle of interest.
Several methods have been... | https://en.wikipedia.org/wiki/Sauter_mean_diameter |
Sauvagine is a neuropeptide from the corticotropin-releasing factor (CRF) family of peptides and is orthologous to the mammalian hormone, urocortin 1 , and the teleost fish hormone, urotensin 1. [ 1 ] It is 40 amino acids in length, [ 2 ] and has the sequence XGPPISIDLSLELLRKMIEIEKQEKEKQQAANNRLLLDTI-NH2, with a pyrroli... | https://en.wikipedia.org/wiki/Sauvagine |
The savannah hypothesis (or savanna hypothesis ) is a hypothesis that human bipedalism evolved as a direct result of human ancestors ' transition from an arboreal lifestyle to one on the savannas . According to the hypothesis, hominins left the woodlands that had previously been their natural habitat millions of years ... | https://en.wikipedia.org/wiki/Savannah_hypothesis |
The Saville reaction is a chemical reaction in which mercury replaces a nitrosyl from a thiol group.
It is used as a method of replacing the nitrosyl from the modified cysteines and thus can serve in research of the redox modification of different proteins. [ 1 ]
This chemical reaction article is a stub . You can hel... | https://en.wikipedia.org/wiki/Saville_reaction |
Sawdust (or wood dust ) is a by-product or waste product of woodworking operations such as sawing , sanding , milling and routing . It is composed of very small chips of wood . These operations can be performed by woodworking machinery , portable power tools or by use of hand tools . In some manufacturing industries ... | https://en.wikipedia.org/wiki/Sawdust |
A saxicolous lichen is a lichen that grows on rock. [ 1 ] [ 2 ] The prefix "sax" from the Latin saxum means "rock" or "stone". [ 3 ]
Saxicolous lichens exhibit very slow growth rates. They may develop on rock substrates for long periods of time, given the absence of external disturbances. [ 4 ] The importance of the m... | https://en.wikipedia.org/wiki/Saxicolous_lichen |
The Saxon Shore ( Latin : litus Saxonicum ) was a military command of the Late Roman Empire , consisting of a series of fortifications on both sides of the English Channel . It was established in the late 3rd century and was led by the " Count of the Saxon Shore ". In the late 4th century, his functions were limited to... | https://en.wikipedia.org/wiki/Saxon_Shore |
Saybolt universal viscosity ( SUV ), and the related Saybolt FUROL viscosity ( SFV ), are specific standardised tests producing measures of kinematic viscosity . FUROL is an acronym for fuel and road oil . [ 1 ] Saybolt universal viscosity is specified by the ASTM D2161. Both tests are considered obsolete to other meas... | https://en.wikipedia.org/wiki/Saybolt_universal_viscosity |
In crystallography , the Sayre equation , named after David Sayre who introduced it in 1952, is a mathematical relationship that allows one to calculate probable values for the phases of some diffracted beams. It is used when employing direct methods to solve a structure. Its formulation is the following:
F h k l = ∑ ... | https://en.wikipedia.org/wiki/Sayre_equation |
Trimethylstibine is an organoantimony compound with the formula Sb(CH 3 ) 3 . It is a colorless pyrophoric and toxic liquid. [ 2 ] It is synthesized by treatment of antimony trichloride and methyl Grignard reagent . [ 3 ] It is produced by anaerobic bacteria in antimony -rich soils. [ 4 ] In contrast to trimethylphosph... | https://en.wikipedia.org/wiki/Sb(CH3)3 |
Antimony(III) oxide is the inorganic compound with the formula Sb 2 O 3 . It is the most important commercial compound of antimony . It is found in nature as the minerals valentinite and senarmontite. [ 3 ] Like most polymeric oxides , Sb 2 O 3 dissolves in aqueous solutions with hydrolysis . A mixed arsenic-antimony... | https://en.wikipedia.org/wiki/Sb2O3 |
Antimony tetroxide is an inorganic compound with the formula Sb 2 O 4 . This material, which exists as the mineral cervantite, [ 3 ] is white but reversibly yellows upon heating. The material, with empirical formula SbO 2 , is called antimony tetroxide to signify the presence of two kinds of Sb centers. [ 4 ]
The ma... | https://en.wikipedia.org/wiki/Sb2O4 |
Antimony pentoxide (molecular formula: Sb 2 O 5 ) is a chemical compound of antimony and oxygen . It contains antimony in the +5 oxidation state .
Antimony pentoxide has the same structure as the B form of niobium pentoxide and can be derived from the rutile structure, with antimony coordinated by six oxygen atoms in ... | https://en.wikipedia.org/wiki/Sb2O5 |
Antimony pentasulfide is an inorganic compound of antimony and sulfur , also known as antimony red . It is a nonstoichiometric compound with a variable composition. Its structure is unknown. [ 2 ] Commercial samples are contaminated with sulfur, which may be removed by washing with carbon disulfide in a Soxhlet extract... | https://en.wikipedia.org/wiki/Sb2S5 |
Antimony triselenide is the chemical compound with the formula Sb 2 Se 3 . The material exists as the sulfosalt mineral antimonselite ( IMA symbol : Atm [ 2 ] ), which crystallizes in an orthorhombic space group . [ 3 ] In this compound, antimony has a formal oxidation state +3 and selenium −2. The bonding in this comp... | https://en.wikipedia.org/wiki/Sb2Se3 |
Antimony telluride is an inorganic compound with the chemical formula Sb 2 Te 3 . As is true of other pnictogen chalcogenide layered materials, it is a grey crystalline solid with layered structure. Layers consist of two atomic sheets of antimony and three atomic sheets of tellurium and are held together by weak van de... | https://en.wikipedia.org/wiki/Sb2Te3 |
Antimony tribromide ( Sb Br 3 ) is a chemical compound containing antimony in its +3 oxidation state.
Antimony tribromide may be made by the reaction of antimony with elemental bromine , or by the reaction of antimony trioxide with hydrobromic acid .
Alternatively, it can be prepared by the action of bromine on a mix... | https://en.wikipedia.org/wiki/SbBr3 |
Antimony trichloride is the chemical compound with the formula SbCl 3 . It is a soft colorless solid with a pungent odor and was known to alchemists as butter of antimony .
Antimony trichloride is prepared by reaction of chlorine with antimony , antimony tribromide , antimony trioxide , or antimony trisulfide . It als... | https://en.wikipedia.org/wiki/SbCl3 |
Antimony pentachloride is a chemical compound with the formula SbCl 5 . It is a colourless oil, but typical samples are yellowish due to dissolved chlorine . Owing to its tendency to hydrolyse to hydrochloric acid , SbCl 5 is a highly corrosive substance and must be stored in glass or PTFE containers.
Antimony pentach... | https://en.wikipedia.org/wiki/SbCl5 |
Antimony trifluoride is the inorganic compound with the formula SbF 3 . Sometimes called Swarts' reagent , it is one of two principal fluorides of antimony , the other being SbF 5 . It appears as a white solid. As well as some industrial applications, [ 2 ] it is used as a reagent in inorganic and organofluorine chemi... | https://en.wikipedia.org/wiki/SbF3 |
Antimony pentafluoride is the inorganic compound with the formula Sb F 5 . This colorless, viscous liquid is a strong Lewis acid and a component of the superacid fluoroantimonic acid , formed upon mixing liquid HF with liquid SbF 5 in 1:1 ratio. It is notable for its strong Lewis acidity and the ability to react with a... | https://en.wikipedia.org/wiki/SbF5 |
Antimony triiodide is the chemical compound with the formula Sb I 3 . This ruby-red solid is the only characterized "binary" iodide of antimony , i.e. the sole compound isolated with the formula Sb x I y . It contains antimony in its +3 oxidation state. Like many iodides of the heavier main group elements , its struct... | https://en.wikipedia.org/wiki/SbI3 |
Antimony tetroxide is an inorganic compound with the formula Sb 2 O 4 . This material, which exists as the mineral cervantite, [ 3 ] is white but reversibly yellows upon heating. The material, with empirical formula SbO 2 , is called antimony tetroxide to signify the presence of two kinds of Sb centers. [ 4 ]
The ma... | https://en.wikipedia.org/wiki/SbO2 |
Antimony oxychloride , known since the 15th century, has been known by a plethora of alchemical names. Since the compound functions as both an emetic and a laxative , it was originally used as a purgative.
Its production was first described by Basil Valentine in Currus Triumphalis Antimonii. In 1659, Johann Rudolf Gla... | https://en.wikipedia.org/wiki/SbOCl |
Antimony phosphate , (also called antimony orthophosphate , or antimonous phosphate ) is a chemical compound of antimony and phosphate with formula SbPO 4 . Antimony is in the form Sb(III) with +3 oxidation state. Antimony atoms have a lone pair of electrons.
SbPO 4 occurs as a layered compound. Two-dimensional layers... | https://en.wikipedia.org/wiki/SbPO4 |
Scandium(III) nitrate , Sc(NO 3 ) 3 , is an ionic compound. It is an oxidizer , as all nitrates are. The salt is applied in optical coatings, catalysts, electronic ceramics and the laser industry.
Scandium nitrate can be prepared by the reaction between scandium metal with dinitrogen tetroxide . [ 1 ]
The anhydrous f... | https://en.wikipedia.org/wiki/Sc(NO3)3 |
Scandium trifluoromethanesulfonate , commonly called scandium triflate , is a chemical compound with formula Sc(SO 3 CF 3 ) 3 , a salt consisting of scandium cations Sc 3+ and triflate SO 3 CF − 3 anions .
Scandium triflate is used as a reagent in organic chemistry as a Lewis acid . [ 1 ] Compared to other Lewis acids... | https://en.wikipedia.org/wiki/Sc(OSO2CF3)3 |
Scandium(III) oxide or scandia is a inorganic compound with formula Sc 2 O 3 . It is one of several oxides of rare earth elements with a high melting point . It is used in the preparation of other scandium compounds as well as in high-temperature systems (for its resistance to heat and thermal shock ), electronic cera... | https://en.wikipedia.org/wiki/Sc2O3 |
Scandium(III) sulfide is a chemical compound of scandium and sulfur with the chemical formula Sc 2 S 3 . It is a yellow solid.
The crystal structure of Sc 2 S 3 is closely related to that of sodium chloride , in that it is based on a cubic close packed array of anions. Whereas NaCl has all the octahedral interstices ... | https://en.wikipedia.org/wiki/Sc2S3 |
Scandium(III) chloride is the inorganic compound with the formula ScCl 3 . It is a white, high-melting ionic compound , which is deliquescent and highly water-soluble. [ 2 ] This salt is mainly of interest in the research laboratory. Both the anhydrous form and hexahydrate (ScCl 3 •6H 2 O) are commercially available.
... | https://en.wikipedia.org/wiki/ScCl3 |
Scandium(III) fluoride , ScF 3 , is an ionic compound. This salt is slightly soluble in water but dissolves in the presence of excess fluoride to form the ScF 6 3− anion. [ 2 ]
ScF 3 can be produced by reacting scandium and fluorine . [ 3 ] It is also formed during the extraction from the ore thortveitite by the reac... | https://en.wikipedia.org/wiki/ScF3 |
Single-cell genome and epigenome by transposases sequencing (scGET-seq) is a DNA sequencing method for profiling open and closed chromatin . In contrast to single-cell assay for transposase-accessible chromatin with sequencing (scATAC-seq), which only targets active euchromatin , [ 1 ] scGET-seq is also capable of prob... | https://en.wikipedia.org/wiki/ScGET-seq |
Scandium trihydride is an unstable molecular chemical compound with the chemical formula ScH 3 . It has been formed as one of a number of other molecular scandium hydride products at low temperature using laser ablation and identified by infrared spectroscopy. [ 1 ] Scandium trihydride has recently been the subject of ... | https://en.wikipedia.org/wiki/ScH3 |
Scandium triiodide , also known as scandium iodide, is an inorganic compound with the formula ScI 3 and is classified as a lanthanide iodide . This salt is a yellowish powder. [ 1 ] It is used in metal halide lamps together with similar compounds, such as caesium iodide, because of their ability to maximize emission of... | https://en.wikipedia.org/wiki/ScI3 |
Sca-1 stands for " Stem cells antigen -1" (official gene symbol: Ly6a). It consist of 18-kDa mouse glycosyl phosphatidylinositol -anchored cell surface protein (GPI-AP) of the LY6 gene family . [ 1 ] It is the common biological marker used to identify hematopoietic stem cell (HSC) along with other markers.
This cell b... | https://en.wikipedia.org/wiki/Sca-1 |
Scabbling —also called scappling —is the process of reducing stone or concrete. In masonry, it refers to shaping a stone to a rough square by use of an axe or hammer . [ 1 ] In Kent, rag-stone masons call this "knobbling". [ 1 ] It was similarly used to shape grindstones .
In modern construction, scabbling is a mechan... | https://en.wikipedia.org/wiki/Scabbling |
The term S/MAR ( scaffold/matrix attachment region ), otherwise called SAR ( scaffold-attachment region ), or MAR ( matrix-associated region ), are sequences in the DNA of eukaryotic chromosomes where the nuclear matrix attaches. As architectural DNA components that organize the genome of eukaryotes into functional uni... | https://en.wikipedia.org/wiki/Scaffold/matrix_attachment_region |
In biology, scaffold proteins are crucial regulators of many key signalling pathways . Although scaffolds are not strictly defined in function, they are known to interact and/or bind with multiple members of a signalling pathway, tethering them into complexes . In such pathways, they regulate signal transduction and ... | https://en.wikipedia.org/wiki/Scaffold_protein |
Scaffolding is a technique used in bioinformatics . It is defined as follows: [ 1 ]
Link together a non-contiguous series of genomic sequences into a scaffold, consisting of sequences separated by gaps of known length. The sequences that are linked are typically contiguous sequences corresponding to read overlaps.
Wh... | https://en.wikipedia.org/wiki/Scaffolding_(bioinformatics) |
Scagliola (from the Italian scaglia , meaning "chips") is a type of fine plaster used in architecture and sculpture . The same term identifies the technique for producing columns, sculptures, and other architectural elements that resemble inlays in marble . [ 1 ] The scagliola technique came into fashion in 17th-centur... | https://en.wikipedia.org/wiki/Scagliola |
Collective intelligence Collective action Self-organized criticality Herd mentality Phase transition Agent-based modelling Synchronization Ant colony optimization Particle swarm optimization Swarm behaviour
Social network analysis Small-world networks Centrality Motifs Graph theory Scaling Robustness Systems biology D... | https://en.wikipedia.org/wiki/Scalability |
The Scalable Coherent Interface or Scalable Coherent Interconnect ( SCI ), is a high-speed interconnect standard for shared memory multiprocessing and message passing. The goal was to scale well, provide system-wide memory coherence and a simple interface; i.e. a standard to replace existing buses in multiprocessor sys... | https://en.wikipedia.org/wiki/Scalable_Coherent_Interface |
Scalable video multicast is a new wireless multicast technology. In scalable video multicast, the video program subscribers can view the program in accordance with their link conditions. The scalable video multicast has been employed by many standards, such as MBMS , MBS, and DVB-H .
Traditional mobile networks were i... | https://en.wikipedia.org/wiki/Scalable_video_multicast |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.