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A smart cosubstrate is a type of cosubstrate used for cofactor regeneration to yield greater productivity and lower environmental impact ( E-factor ). A good example of a smart cosubstrate is a lactonizable diol .
In redox biocatalysis, the nicotinamide cofactor (NAD(P)H or NAD(P)+) can act as an electron donor or acc... | https://en.wikipedia.org/wiki/Smart_cosubstrate |
Smart cut is a technological process that enables the transfer of very fine layers of crystalline silicon material onto a mechanical support. It was invented by Michel Bruel of CEA-Leti , and was protected by US patent 5374564. [ 1 ] The application of this technological procedure is mainly in the production of silicon... | https://en.wikipedia.org/wiki/Smart_cut |
A smart doorbell is an internet-connected doorbell that notifies the home owner on his or her device (smartphone or any other gadget) when a visitor arrives at the door. It activates when the visitor presses the button of the doorbell, or alternatively, when the doorbell senses a visitor with its built-in motion sensor... | https://en.wikipedia.org/wiki/Smart_doorbell |
Smart environments link computers and other smart devices to everyday settings and tasks. Smart environments include smart homes , smart cities , and smart manufacturing .
Smart environments are an extension of pervasive computing . According to Mark Weiser , pervasive computing promotes the idea of a world that is co... | https://en.wikipedia.org/wiki/Smart_environment |
A smart fluid is a fluid whose properties (e.g. viscosity ) can be changed by applying an electric field or a magnetic field . [ 1 ] [ 2 ] [ 3 ]
The most developed smart fluids today are fluids whose viscosity increases when a magnetic field is applied. Small magnetic dipoles are suspended in a non-magnetic fluid, and... | https://en.wikipedia.org/wiki/Smart_fluid |
Smart glass, also known as switchable glass , dynamic glass , and smart-tinting glass , is a type of glass that can change its optical properties, becoming opaque or tinted, in response to electrical or thermal signals. This can be used to prevent sunlight and heat from entering a building during hot days, improving en... | https://en.wikipedia.org/wiki/Smart_glass |
A smart home hub , [ 1 ] sometimes also referred to as a smart hub or gateway , [ 2 ] is a control center for a smart home , and enables the components of a smart home to communicate and respond to each other via communication through a central point. [ 3 ] The smart home hub can consist of dedicated computer appliance... | https://en.wikipedia.org/wiki/Smart_home_hub |
The term "smart structures" is commonly used for structures which have the ability to adapt to environmental conditions according to the design requirements. As a rule, the adjustments are designed and performed in order to increase the efficiency or safety of the structure. Combining "smart structures" with the "sophi... | https://en.wikipedia.org/wiki/Smart_intelligent_aircraft_structure |
A smart key is a vehicular passive entry system developed by Siemens in 1995 and introduced by Mercedes-Benz under the name "Keyless-Go" in 1998 on the W220 S-Class , [ 1 ] after the design patent was filed by Daimler-Benz on May 17, 1997. [ 2 ]
Numerous manufacturers subsequently developed similar passive systems tha... | https://en.wikipedia.org/wiki/Smart_key |
Smart ligands are affinity ligands selected with pre-defined equilibrium ( K d {\displaystyle K_{d}} ), kinetic ( k o f f {\displaystyle k_{off}} , k o n {\displaystyle k_{on}} ) and thermodynamic (ΔH, ΔS) parameters of biomolecular interaction.
Ligands with desired parameters can be selected from large combinatorial ... | https://en.wikipedia.org/wiki/Smart_ligand |
Smart materials , also called intelligent or responsive materials, [ 1 ] [ page needed ] are designed materials that have one or more properties that can be significantly changed in a controlled fashion by external stimuli, such as stress , moisture, electric or magnetic fields, light, temperature , pH , or chemical co... | https://en.wikipedia.org/wiki/Smart_material |
A smart number is any synthetic unique identifier that communicates additional information about the entity identified. The smart number is conceptually similar to a superkey as defined in the relational model of database organization, but, is intended to inform end users about status of accounts. The term has fallen o... | https://en.wikipedia.org/wiki/Smart_number |
The Smart Onboard Data Interface Module (SMODIM) is an integrated device once used by the United States Army and foreign militaries for live simulated weapons training on military platforms. The SMODIM was the primary component of the Longbow Apache Tactical Engagement Simulation System (LBA TESS) that provides weapons... | https://en.wikipedia.org/wiki/Smart_onboard_data_interface_module |
Smart pipe , related to a mobile network operator (MNO or operator ), refers to an operator’s network which leverages existing or unique service abilities, and the operator’s customer relationships, to provide value beyond that of data connectivity only. The use of the term “smart” refers to the operator’s ability to a... | https://en.wikipedia.org/wiki/Smart_pipe |
A smart plug is a power plug and socket (also known as a wall plug, outlet, or electrical connector) which can be fitted between power cords and sockets to function as a remote-controlled power switch . As such, smart plugs can be used to make "dumb" electrical equipment smart , and thereby enable such devices for home... | https://en.wikipedia.org/wiki/Smart_plug |
Smart polymers , stimuli-responsive polymers or functional polymers are high-performance polymers that change according to the environment they are in.
Such materials can be sensitive to a number of factors, such as temperature , humidity , pH , chemical compounds, the wavelength or intensity of light or an electrical... | https://en.wikipedia.org/wiki/Smart_polymer |
A smart port is most often defined by being a technologically advanced seaport that integrates digitalization , automation , and data-driven solutions to optimize logistics, improve efficiency , enhance security , and reduce environmental impact . It uses technologies like IoT , AI , big data , and blockchain to stream... | https://en.wikipedia.org/wiki/Smart_port |
Recent innovations in mobile and sensor technologies allow for creating a digital representation of almost any physical entity and its parameters over time at any place. RFID technologies, for instance, are used to ground digital representations, which are used to track and geo-reference physical entities. In general, ... | https://en.wikipedia.org/wiki/Smart_products |
Smart rubber is a polymeric material that is able to "heal" when torn. Near room temperature this process is reversible and can be cycled several times. Supramolecular self-healing rubber can be processed, re-used, and ultimately recycled. The edges of a tear can be held together, and they will simply re-bond into app... | https://en.wikipedia.org/wiki/Smart_rubber |
Smart systems are systems (usually computer systems or electronic system ) which are able to incorporate and perform functions of sensing , actuation , and control in order to analyze a situation, based on acquired data and perform decisions in a predictive or adaptive manner , thereby performing smart actions. In most... | https://en.wikipedia.org/wiki/Smart_system |
Smart thermostats are Wi-Fi thermostats that can be used with home automation and are responsible for controlling a home's heating, ventilation, and air conditioning . They perform similar functions as a programmable thermostat as they allow the user to control the temperature of their home throughout the day using a s... | https://en.wikipedia.org/wiki/Smart_thermostat |
Smartdust [ 1 ] is a system of many tiny microelectromechanical systems (MEMS) such as sensors, robots, or other devices, that can detect, for example, light , temperature , vibration , magnetism , or chemicals . They are usually operated on a computer network wirelessly and are distributed over some area to perform ta... | https://en.wikipedia.org/wiki/Smartdust |
SmarterChild was a chatbot available on AOL Instant Messenger and Windows Live Messenger (previously MSN Messenger ) networks. [ 1 ] [ 2 ]
SmarterChild was an intelligent agent or "bot" developed by ActiveBuddy , Inc., [ 3 ] with offices in New York and Sunnyvale. [ 4 ] It was widely distributed across global instant ... | https://en.wikipedia.org/wiki/SmarterChild |
Smartphone ad hoc networks ( SPANs ; also smart phone ad hoc networks ) are wireless ad hoc networks that use smartphones . Once embedded with ad hoc networking technology, a group of smartphones in close proximity can together create an ad hoc network. Smart phone ad hoc networks use the existing hardware (primarily B... | https://en.wikipedia.org/wiki/Smartphone_ad_hoc_network |
Safety hazards have been noted due to pedestrians walking slowly and without attention to their surroundings because they are focused upon their smartphones . Texting pedestrians may trip over curbs, walk out in front of cars and bump into other walkers. The field of vision of a smartphone user is estimated to be just ... | https://en.wikipedia.org/wiki/Smartphones_and_pedestrian_safety |
A smartwatch is a portable wearable computer that resembles a wristwatch . Most modern smartwatches are operated via a touchscreen , and rely on mobile apps that run on a connected device (such as a smartphone ) in order to provide core functions.
Early smartwatches were capable of performing basic functions like calc... | https://en.wikipedia.org/wiki/Smartwatch |
Smash and Grab is the name given to a technique developed by Charles S. Hoffman and Fred Winston used in molecular biology to rescue plasmids from yeast transformants into Escherichia coli , also known as E. coli, in order to amplify and purify them. [ 1 ] In addition, it can be used to prepare yeast genomic DNA (and D... | https://en.wikipedia.org/wiki/Smash_and_Grab_(biology) |
In topology , a branch of mathematics , the smash product of two pointed spaces (i.e. topological spaces with distinguished basepoints) ( X, x 0 ) and ( Y , y 0 ) is the quotient of the product space X × Y under the identifications ( x , y 0 ) ~ ( x 0 , y ) for all x in X and y in Y . The smash product is itself a poi... | https://en.wikipedia.org/wiki/Smash_product |
The Smeatonian Society of Civil Engineers was founded in England in 1771. It was the first engineering society to be formed anywhere in the world, and remains the oldest. It was originally known as the Society of Civil Engineers , being renamed following its founder's death. [ 1 ]
The first known formal meeting of civ... | https://en.wikipedia.org/wiki/Smeatonian_Society_of_Civil_Engineers |
Smegma (from Ancient Greek σμῆγμα , smêgma , 'soap') [ 1 ] is shed skin cells , skin oils, and moisture that occurs in male and female mammalian genitalia . In females, it collects around the clitoris and in the folds of the labia minora ; in males, smegma collects under the foreskin .
The accumulation of sebum combin... | https://en.wikipedia.org/wiki/Smegma |
Smell training or olfactory training is the act of regularly sniffing or exposing oneself to robust aromas [ 1 ] with the intention of regaining a sense of smell. The stimulating smells used are often selected from major smell categories, such as aromatic, flowery, fruity, and resinous. [ 1 ] Using strong scents, the p... | https://en.wikipedia.org/wiki/Smell_training |
Smelting is a process of applying heat and a chemical reducing agent to an ore to extract a desired base metal product. [ 1 ] It is a form of extractive metallurgy that is used to obtain many metals such as iron , copper , silver , tin , lead and zinc . Smelting uses heat and a chemical reducing agent to decompose the ... | https://en.wikipedia.org/wiki/Smelting |
Smeltmills were water-powered mills used to smelt lead or other metals.
The older method of smelting lead on wind-blown bole hills began to be superseded by artificially-blown smelters. The first such furnace was built by Burchard Kranich at Makeney , Derbyshire in 1554, but produced less good lead than the older bol... | https://en.wikipedia.org/wiki/Smeltmill |
In organic chemistry , the Smiles rearrangement is an organic reaction and a rearrangement reaction named after British chemist Samuel Smiles. [ 1 ] [ 2 ] It is an intramolecular , nucleophilic aromatic substitution of the type:
where X in the arene compound can be a sulfone , a sulfide , an ether or any substituent c... | https://en.wikipedia.org/wiki/Smiles_rearrangement |
In geology, Smith's laws are two rules, formulated by William Smith (1769–1839), which aid in the determination of geological succession . They are fundamental to the production of geological maps .
Both laws were first published by Smith in Strata Identified by Fossils , 1816–1819.
Smith's first law is the Principl... | https://en.wikipedia.org/wiki/Smith's_laws |
SmithKline Beecham Clinical Laboratories ( SBCL ) was an American-based medical laboratory company that was acquired by Quest Diagnostics in 1999 for $1.3 billion.
In 1989, SBCL had to pay a $1.5 million fine for illegal laboratory referral kickbacks . [ 1 ]
In 1997, Operation LabScam forced SBCL to agree to pay a $3... | https://en.wikipedia.org/wiki/SmithKline_Beecham_Clinical_Laboratories |
The Smith chart (sometimes also called Smith diagram , Mizuhashi chart ( 水橋チャート ), Mizuhashi–Smith chart ( 水橋スミスチャート ), [ 1 ] [ 2 ] [ 3 ] Volpert–Smith chart ( Диаграмма Вольперта—Смита ) [ 4 ] [ 5 ] or Mizuhashi–Volpert–Smith chart ) is a graphical calculator or nomogram designed for electrical and electronics enginee... | https://en.wikipedia.org/wiki/Smith_chart |
In mathematics , the Smith conjecture states that if f is a diffeomorphism of the 3-sphere of finite order , then the fixed point set of f cannot be a nontrivial knot .
Paul A. Smith ( 1939 , remark after theorem 4) showed that a non-trivial orientation-preserving diffeomorphism of finite order with fixed points must ... | https://en.wikipedia.org/wiki/Smith_conjecture |
The Smithsonian Transcription Center is a crowdsourcing transcription project that aims to assist with the preservation and digitization of handwritten material in the Smithsonian Institution . [ 2 ] The Transcription Center cites five reasons why transcription matters: discovery, humanities research, scientific resear... | https://en.wikipedia.org/wiki/Smithsonian_Transcription_Center |
Smog towers or smog free towers (see below for other names) are structures designed as large-scale air purifiers to reduce air pollution particles ( smog ). This approach to the problem of urban air pollution involves air filtration and removal of suspended mechanical particulates such as soot and requires energy or p... | https://en.wikipedia.org/wiki/Smog_tower |
A smoke composition is a pyrotechnic composition designed primarily to generate smoke . Smoke compositions are used as obscurants or for generation of signaling smokes. Some are used as a payload of smoke bombs and smoke grenades .
Smoke compositions used as obscurants generate large amount of thick, usually white, sm... | https://en.wikipedia.org/wiki/Smoke_composition |
Smoke dampers are passive fire protection products used in air conditioning and ventilation ductwork or installed in physical smoke barriers (e.g., walls).
Smoke damper may be used to prevent the spread of smoke from the space of fire origin to other spaces in the same building. A combination of fans and dampers can e... | https://en.wikipedia.org/wiki/Smoke_damper |
The smoke point , also referred to as the burning point , is the temperature at which an oil or fat begins to produce a continuous bluish smoke that becomes clearly visible, dependent upon specific and defined conditions. [ 1 ] Smoke point values can vary greatly, depending on factors such as the volume of oil utilized... | https://en.wikipedia.org/wiki/Smoke_point |
Smokeless tobacco is a tobacco product that is used by means other than smoking . [ 1 ] Their use involves chewing, sniffing, or placing the product between gum and the cheek or lip. [ 1 ] Smokeless tobacco products are produced in various forms, such as chewing tobacco , snuff , snus , and dissolvable tobacco products... | https://en.wikipedia.org/wiki/Smokeless_tobacco |
According to the Jargon File , smoking clover is a computer display hack , [ 1 ] originally created by Bill Gosper . Several converging lines are drawn on a color monitor in such a way that every pixel struck has its color incremented—altered to the next hue up or down. The color map is then repeatedly rotated.
The re... | https://en.wikipedia.org/wiki/Smoking_clover |
Smoldyn is an open-source software application for cell-scale biochemical simulations. [ 1 ] [ 2 ] It uses particle-based simulation, meaning that it simulates each molecule of interest individually, in order to capture natural stochasticity and yield nanometer-scale spatial resolution. Simulated molecules diffuse, rea... | https://en.wikipedia.org/wiki/Smoldyn |
In statistical physics , the Smoluchowski coagulation equation is a population balance equation introduced by Marian Smoluchowski in a seminal 1916 publication, [ 1 ] describing the time evolution of the number density of particles as they coagulate (in this context "clumping together") to size x at time t .
Simultane... | https://en.wikipedia.org/wiki/Smoluchowski_coagulation_equation |
The Smoluchowski factor , also known as von Smoluchowski's f-factor is related to inter-particle interactions. It is named after Marian Smoluchowski . [ 1 ]
This physical chemistry -related article is a stub . You can help Wikipedia by expanding it . | https://en.wikipedia.org/wiki/Smoluchowski_factor |
In algebra , a commutative k -algebra A is said to be 0-smooth if it satisfies the following lifting property: given a k - algebra C , an ideal N of C whose square is zero and a k -algebra map u : A → C / N {\displaystyle u:A\to C/N} , there exists a k -algebra map v : A → C {\displaystyle v:A\to C} such that u is v fo... | https://en.wikipedia.org/wiki/Smooth_algebra |
Smooth infinitesimal analysis is a modern reformulation of the calculus in terms of infinitesimals . Based on the ideas of F. W. Lawvere and employing the methods of category theory , it views all functions as being continuous and incapable of being expressed in terms of discrete entities. As a theory, it is a subset ... | https://en.wikipedia.org/wiki/Smooth_infinitesimal_analysis |
In mathematics , a smooth maximum of an indexed family x 1 , ..., x n of numbers is a smooth approximation to the maximum function max ( x 1 , … , x n ) , {\displaystyle \max(x_{1},\ldots ,x_{n}),} meaning a parametric family of functions m α ( x 1 , … , x n ) {\displaystyle m_{\alpha }(x_{1},\ldots ,x_{n})} such that ... | https://en.wikipedia.org/wiki/Smooth_maximum |
Tin(II) hydroxide , Sn(OH) 2 , also known as stannous hydroxide , is an inorganic compound tin(II). The only related material for which definitive information is available is the oxy hydroxide Sn 6 O 4 (OH) 4 , but other related materials are claimed. They are all white solids that are insoluble in water.
Crystals of... | https://en.wikipedia.org/wiki/Sn6O4(OH)4 |
Tin(IV) bromide is the chemical compound SnBr 4 . It is a colourless low melting solid . [ 1 ]
SnBr 4 crystallises in a monoclinic crystal system with molecular SnBr 4 units that have distorted tetrahedral geometry. [ 2 ] The mean Sn-Br bond length is 242.3 pm. [ 3 ]
SnBr 4 can be prepared by reaction of the elements... | https://en.wikipedia.org/wiki/SnBr4 |
Tin(II) chloride , also known as stannous chloride , is a white crystalline solid with the formula Sn Cl 2 . It forms a stable dihydrate , but aqueous solutions tend to undergo hydrolysis , particularly if hot. SnCl 2 is widely used as a reducing agent (in acid solution), and in electrolytic baths for tin-plating . Tin... | https://en.wikipedia.org/wiki/SnCl2 |
Tin(IV) chloride , also known as tin tetrachloride or stannic chloride , is an inorganic compound of tin and chlorine with the formula SnCl 4 . It is a colorless hygroscopic liquid , which fumes on contact with air. It is used as a precursor to other tin compounds. [ 1 ] It was first discovered by Andreas Libavius (155... | https://en.wikipedia.org/wiki/SnCl4 |
Tin(II) fluoride , commonly referred to commercially as stannous fluoride [ 1 ] [ 2 ] (from Latin stannum , 'tin'), is a chemical compound with the formula SnF 2 . It is a colourless solid used as an ingredient in toothpastes .
Stannous fluoride is an alternative to sodium fluoride for the prevention of cavities ( too... | https://en.wikipedia.org/wiki/SnF2 |
Tin(IV) fluoride is a chemical compound of tin and fluorine with the chemical formula SnF 4 . It is a white solid. As reflected by its melting point above 700 °C, the tetrafluoride differs significantly from the other tetrahalides of tin. [ 1 ]
SnF 4 can be prepared by the reaction of tin(IV) chloride with anhydrous ... | https://en.wikipedia.org/wiki/SnF4 |
Tin(II) iodide , also known as stannous iodide , is the inorganic compound with the formula SnI 2 . It is a red-orange solid. It reacts with iodine to give tin(IV) iodide . [ 1 ]
Tin(II) iodide can be synthesised by heating metallic tin with a mixture iodine in 2 M hydrochloric acid. [ 2 ] [ 1 ]
It crystallizes in a ... | https://en.wikipedia.org/wiki/SnI2 |
Tin(IV) iodide , also known as stannic iodide , is the chemical compound with the formula Sn I 4 . This tetrahedral molecule crystallizes as a bright orange solid that dissolves readily in nonpolar solvents such as benzene . [ 1 ]
The compound is usually prepared by the reaction of tin and iodine : [ 2 ]
The compound... | https://en.wikipedia.org/wiki/SnI4 |
Tin(II) oxide ( stannous oxide ) is a compound with the formula SnO. It is composed of tin and oxygen where tin has the oxidation state of +2. There are two forms, a stable blue-black form and a metastable red form.
Blue-black SnO can be produced by heating the tin(II) oxide hydrate, SnO· x H 2 O ( x < 1) precipitated... | https://en.wikipedia.org/wiki/SnO |
Tin(IV) oxide , also known as stannic oxide , is the inorganic compound with the formula SnO 2 . The mineral form of SnO 2 is called cassiterite , and this is the main ore of tin . [ 9 ] With many other names, this oxide of tin is an important material in tin chemistry. It is a colourless, diamagnetic , amphoteric soli... | https://en.wikipedia.org/wiki/SnO2 |
snRNA-seq , also known as single nucleus RNA sequencing , single nuclei RNA sequencing or sNuc-seq , is an RNA sequencing method for profiling gene expression in cells which are difficult to isolate, such as those from tissues that are archived or which are hard to be dissociated. It is an alternative to single cell RN... | https://en.wikipedia.org/wiki/SnRNA-seq |
snRNP s (pronounced "snurps"), or s mall n uclear r ibo n ucleo p roteins , are RNA - protein complexes that combine with unmodified pre-mRNA and various other proteins to form a spliceosome , a large RNA-protein molecular complex upon which splicing of pre-mRNA occurs. The action of snRNPs is essential to the removal ... | https://en.wikipedia.org/wiki/SnRNP |
Tin(IV) sulfide is a compound with the formula SnS2 . A brown, water-insoluble solid, it is a semiconductor with band gap 2.2 eV. [ 5 ] It occurs naturally as the rare mineral berndtite . [ 6 ]
The compound precipitates as a brown solid upon the addition of H 2 S to solutions containing tin(IV) species. This reaction... | https://en.wikipedia.org/wiki/SnS2 |
Tin selenide , also known as stannous selenide, is an inorganic compound with the formula Sn Se . Tin(II) selenide is a narrow band-gap (IV-VI) semiconductor structurally analogous to black phosphorus . It has received considerable interest for possible applications including low-cost photovoltaics , and memory-switch... | https://en.wikipedia.org/wiki/SnSe |
Tin telluride is a compound of tin and tellurium (SnTe); is a IV-VI narrow band gap semiconductor and has direct band gap of 0.18 eV. It is often alloyed with lead to make lead tin telluride, which is used as an infrared detector material.
Tin telluride normally forms p-type semiconductor ( Extrinsic semiconductor ) d... | https://en.wikipedia.org/wiki/SnTe |
In forest ecology , a snag refers to a standing dead or dying tree , often missing a top or most of the smaller branches. In freshwater ecology it refers to trees, branches, and other pieces of naturally occurring wood found sunken in rivers and streams ; it is also known as coarse woody debris . Snags provide habitat ... | https://en.wikipedia.org/wiki/Snag_(ecology) |
The snake-in-the-box problem in graph theory and computer science deals with finding a certain kind of path along the edges of a hypercube . This path starts at one corner and travels along the edges to as many corners as it can reach. After it gets to a new corner, the previous corner and all of its neighbors must be ... | https://en.wikipedia.org/wiki/Snake-in-the-box |
The Snake Projection is a continuous map projection typically used as the planar coordinate system for realizing low distortion throughout long linear engineering projects. [ 1 ]
The Snake Projection was originally developed by University College London and Network Rail to provide a continuous low distortion projectio... | https://en.wikipedia.org/wiki/Snake_Projection |
The Snake Valley Astronomical Association ( SVAA ) is an amateur astronomy club based in Snake Valley , Victoria , Australia . Established in 2005, membership of the SVAA is open to people with an interest in any form of astronomy. As of June 2011 the SVAA has around 30 members.
The original idea to create the SVAA w... | https://en.wikipedia.org/wiki/Snake_Valley_Astronomical_Association |
Snake oil is a term used to describe deceptive marketing , health care fraud , or a scam. Similarly, snake oil salesman is a common label used to describe someone who sells, promotes, or is a general proponent of some valueless or fraudulent cure, remedy, or solution. [ 1 ] The term comes from the "snake oil" that used... | https://en.wikipedia.org/wiki/Snake_oil |
Snappy (previously known as Zippy ) is a fast data compression and decompression library written in C++ by Google based on ideas from LZ77 and open-sourced in 2011. [ 3 ] [ 4 ] It does not aim for maximum compression, or compatibility with any other compression library; instead, it aims for very high speeds and reasona... | https://en.wikipedia.org/wiki/Snappy_(compression) |
In trigonometry , the Snellius–Pothenot problem is a problem first described in the context of planar surveying . Given three known points A, B, C , an observer at an unknown point P observes that the line segment AC subtends an angle α and the segment CB subtends an angle β ; the problem is to determine the position o... | https://en.wikipedia.org/wiki/Snellius–Pothenot_problem |
Snf3 is a protein which regulates glucose uptake in yeast. It senses glucose in the environment with high affinity.
Glucose sensing and signaling in budding yeast is similar to the mammalian system in many ways. However, there are also significant differences. Mammalian cells regulate their glucose uptake via hormones... | https://en.wikipedia.org/wiki/Snf3 |
The Lockheed Martin Sniper is a targeting pod for military aircraft that provides positive target identification, autonomous tracking, GPS coordinate generation, and precise weapons guidance from extended standoff ranges.
The system has been designated AN/AAQ-33 in U.S. military service as the Sniper Advanced Targetin... | https://en.wikipedia.org/wiki/Sniper_Advanced_Targeting_Pod |
8.2.6 (May 3, 2019 ; 6 years ago ( 2019-05-03 ) [ 1 ] )
.8.2.3 (April 17, 2019 ; 6 years ago ( 2019-04-17 ) [ 2 ] ) [±]
Snow (stylized in all caps ) is an image messaging and multimedia mobile application created by Camp Mobile , a subsidiary of South Korean internet search giant Naver Corporation . [ 3 ] It features... | https://en.wikipedia.org/wiki/Snow_(app) |
Snow algae are a group of freshwater micro-algae that grow in the alpine and polar regions of the Earth. [ 1 ] Snow algae have been found on every continent but are restricted to areas with temperatures between 0°C-10°C. [ 2 ] Snow algae are pigmented by chlorophyll and carotenoids and can be a variety of colors depend... | https://en.wikipedia.org/wiki/Snow_algae |
Snow bleaching is a technique used in traditional Japanese textile industry to bleach the fabric using the ozone evaporating from snow. [ 1 ] This technique is used to bleach Echigo-jofu , a type of kimono. This method is based on the fact that ozone is released when snow evaporates due to sunlight. [ 2 ] [ 3 ]
This c... | https://en.wikipedia.org/wiki/Snow_bleaching |
Snow hydrology is a scientific study in the field of hydrology which focuses on the composition, dispersion, and movement of snow and ice . Studies of snow hydrology predate the Anno Domini era, although major breakthroughs were not made until the mid eighteenth century.
Snowfall, accumulation and melt are important h... | https://en.wikipedia.org/wiki/Snow_hydrology |
Snow pushers (also known as box plows, containment plows, or box style plows) are designed to move snow by pushing it straight ahead. They do this by being constructed with a curved moldboard that lies perpendicular to the direction of travel and a sidewall at either end that keeps the snow contained. For parking lots,... | https://en.wikipedia.org/wiki/Snow_pusher |
Snow science addresses how snow forms, its distribution, and processes affecting how snowpacks change over time. Scientists improve storm forecasting, study global snow cover and its effect on climate, glaciers, and water supplies around the world. The study includes physical properties of the material as it changes, b... | https://en.wikipedia.org/wiki/Snow_science |
The Snowmass Process is a particle physics community planning exercise sponsored by the Division of Particles and Fields of the American Physical Society . [ 1 ] During this process, scientists develop a collective vision for the next seven to ten years for particle physics research in the US. [ 2 ]
Original planning ... | https://en.wikipedia.org/wiki/Snowmass_Process |
In hydrology , snowmelt is surface runoff produced from melting snow . It can also be used to describe the period or season during which such runoff is produced. Water produced by snowmelt is an important part of the annual water cycle in many parts of the world, in some cases contributing high fractions of the annual ... | https://en.wikipedia.org/wiki/Snowmelt |
A SNPSTR is a compound genetic marker composed of one or more SNPs and one microsatellite (STR). Autosomal SNPSTRs, which contain an SNP and a microsatellite within 500 base pairs of one another, were discovered in 2002. [ 1 ] More recently a database that contains all SNPSTRs in five model genomes, including human, ha... | https://en.wikipedia.org/wiki/Snpstr |
In geometry , a snub is an operation applied to a polyhedron . The term originates from Kepler 's names of two Archimedean solids , for the snub cube ( cubus simus ) and snub dodecahedron ( dodecaedron simum ). [ 1 ]
In general, snubs have chiral symmetry with two forms: with clockwise or counterclockwise orientation.... | https://en.wikipedia.org/wiki/Snub_(geometry) |
In geometry , the order-3 snub heptagonal tiling is a semiregular tiling of the hyperbolic plane. There are four triangles and one heptagon on each vertex . It has Schläfli symbol of sr{7,3} . The snub tetraheptagonal tiling is another related hyperbolic tiling with Schläfli symbol sr{7,4} .
Drawn in chiral pairs, wi... | https://en.wikipedia.org/wiki/Snub_triheptagonal_tiling |
SoRI-20041 is an " antagonist -like" allosteric modulator of amphetamine -induced dopamine release [ 1 ] (in contrast to the related research chemicals SoRI-9804 and SoRI-20040 , which are " agonist -like"). [ 1 ] SoRI-20041 is believed to be the first example of a drug that separately modulates uptake versus release i... | https://en.wikipedia.org/wiki/SoRI-20041 |
In organic chemistry, the Soai reaction is the alkylation of pyrimidine-5-carbaldehyde with diisopropylzinc . The reaction is autocatalytic and leads to rapidly increasing amounts of the same enantiomer of the product. The product pyrimidyl alcohol is chiral and induces that same chirality in further catalytic cycles. ... | https://en.wikipedia.org/wiki/Soai_reaction |
A soakage , or soak, is a source of water in Australian deserts .
It is called thus because the water generally seeps into the sand, and is stored below, sometimes as part of an ephemeral river or creek.
Soakages were traditionally important sources of water for Aboriginal Australians in the desert, being the most de... | https://en.wikipedia.org/wiki/Soakage_(source_of_water) |
A soap bubble (commonly referred to as simply a bubble ) is an extremely thin film of soap or detergent and water enclosing air that forms a hollow sphere with an iridescent surface. Soap bubbles usually last for only a few seconds before bursting, either on their own or on contact with another object. They are often u... | https://en.wikipedia.org/wiki/Soap_bubble |
Soap scum or lime soap is the white solid composed of calcium stearate , magnesium stearate , and similar alkaline earth metal derivatives of fatty acids. These materials result from the addition of soap and other anionic surfactants to hard water . Hard water contains calcium and magnesium ions, which react with the ... | https://en.wikipedia.org/wiki/Soap_scum |
Sobelivirales is an order of RNA viruses which infect eukaryotes . [ 1 ] Member viruses have a positive-sense single-stranded RNA genome . The name of the group is a portmanteau of member orders " sobe movirus- li ke" and - virales which is the suffix for a virus order . [ 2 ]
The following families are recognized:
T... | https://en.wikipedia.org/wiki/Sobelivirales |
In mathematics , there is in mathematical analysis a class of Sobolev inequalities , relating norms including those of Sobolev spaces . These are used to prove the Sobolev embedding theorem , giving inclusions between certain Sobolev spaces , and the Rellich–Kondrachov theorem showing that under slightly stronger condi... | https://en.wikipedia.org/wiki/Sobolev_inequality |
In mathematics , a Sobolev space is a vector space of functions equipped with a norm that is a combination of L p -norms of the function together with its derivatives up to a given order. The derivatives are understood in a suitable weak sense to make the space complete , i.e. a Banach space . Intuitively, a Sobolev sp... | https://en.wikipedia.org/wiki/Sobolev_space |
In mathematics , sociable numbers are numbers whose aliquot sums form a periodic sequence . They are generalizations of the concepts of perfect numbers and amicable numbers . The first two sociable sequences, or sociable chains, were discovered and named by the Belgian mathematician Paul Poulet in 1918. [ 1 ] In a soci... | https://en.wikipedia.org/wiki/Sociable_number |
Social Age [ 1 ] encompasses both societal and technological changes succeeding the Information Age .
It is divergent from the Information Age as it gives more prominence to social factors when adopting and/or extending technology and information. [ 1 ] It further broadens the definition of Attention Age because the S... | https://en.wikipedia.org/wiki/Social_Age |
Social Bonding and Nurture Kinship: Compatibility between Cultural and Biological Approaches is a book on human kinship and social behavior by Maximilian Holland, published in 2012. The work synthesizes the perspectives of evolutionary biology , psychology and sociocultural anthropology towards understanding human soci... | https://en.wikipedia.org/wiki/Social_Bonding_and_Nurture_Kinship |
The Social Study of Information Systems ( SSIS ) is interested in people developing and using technology and the "culture" of those people. SSIS brings social sciences concepts and methods to study information systems. SSIS studies these phenomena by drawing on and using "lenses" provided by social sciences, including ... | https://en.wikipedia.org/wiki/Social_Study_of_Information_Systems |
The Social and Environmental Responsibility World Forum is an initiative organized by the Réseau Alliances in 1993 [ where? ] in partnership with private and public organizations , to encourage social and economic responsibility among businesses .
The initiative was planned for four years (2007–2010), with the goal of... | https://en.wikipedia.org/wiki/Social_and_Environmental_Responsibility_World_Forum |
Social behavior is behavior among two or more organisms within the same species, it encompasses any behavior in which one member affects another. [ 1 ] [ 2 ] Social behavior can be seen as similar to an exchange of goods, with the expectation that when you give, you will receive something similar in return. [ 3 ] This ... | https://en.wikipedia.org/wiki/Social_behavior |
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