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Somatomedins are a group of proteins produced predominantly by the liver when growth hormones act on target tissue. Somatomedins inhibit the release of growth hormones by acting directly on anterior pituitary and by stimulating the secretion of somatostatin from the hypothalamus.
Somatomedins are a group of proteins t... | https://en.wikipedia.org/wiki/Somatomedin |
A somatomedin receptor is a receptor which binds the somatomedins (IGFs). Somatomedin is abbreviated to IGF , in reference to insulin-like growth factor .
There are two types:
This biochemistry article is a stub . You can help Wikipedia by expanding it . | https://en.wikipedia.org/wiki/Somatomedin_receptor |
" Some Remarks on Logical Form " (1929 [ 1 ] ) was the only academic paper ever published by Ludwig Wittgenstein , and contained Wittgenstein's thinking on logic and the philosophy of mathematics immediately before the rupture that divided the early Wittgenstein of the Tractatus Logico-Philosophicus from the late Wittg... | https://en.wikipedia.org/wiki/Some_Remarks_on_Logical_Form |
Something and anything are concepts of existence in ontology , contrasting with the concept of nothing . Both are used to describe the understanding that what exists is not nothing without needing to address the existence of everything . The philosopher , David Lewis , has pointed out that these are necessarily vague t... | https://en.wikipedia.org/wiki/Something_(concept) |
Somfy is a French group of companies founded in 1969, some of the largest manufacturers and suppliers of controllers and drives for entrance gates, garage doors, window blinds and awnings. [ 1 ] They also produce other home automation products such as security devices. [ 2 ] Somfy is a member of the home automation com... | https://en.wikipedia.org/wiki/Somfy |
The Sommelet reaction is an organic reaction in which a benzyl halide is converted to an aldehyde by action of hexamine and water. [ 1 ] [ 2 ] It is named after the French chemist Marcel Sommelet, who first reported the reaction in 1913. [ 3 ]
One example, thiophene-2-carboxaldehyde is prepared by the reaction of hexa... | https://en.wikipedia.org/wiki/Sommelet_reaction |
The Sommelet–Hauser rearrangement (named after M. Sommelet [ 1 ] and Charles R. Hauser [ 2 ] ) is a rearrangement reaction of certain benzyl quaternary ammonium salts . [ 3 ] [ 4 ] The reagent is sodium amide or another alkali metal amide and the reaction product a N , N -dialkylbenzylamine with a new alkyl group in th... | https://en.wikipedia.org/wiki/Sommelet–Hauser_rearrangement |
In mechanics, Sommerfeld effect is a phenomenon arising from feedback in the energy exchange between vibrating systems: for example, when for the rocking table, under given conditions, energy transmitted to the motor resulted not in higher revolutions but in stronger vibrations of the table. It is named after Arnold So... | https://en.wikipedia.org/wiki/Sommerfeld_effect |
A Sommerfeld expansion is an approximation method developed by Arnold Sommerfeld in 1928 for a certain class of integrals which are common in condensed matter and statistical physics . Physically, the integrals represent statistical averages using the Fermi–Dirac distribution .
When the inverse temperature β {\displa... | https://en.wikipedia.org/wiki/Sommerfeld_expansion |
The Sommerfeld identity is a mathematical identity, due Arnold Sommerfeld , used in the theory of propagation of waves ,
where
is to be taken with positive real part, to ensure the convergence of the integral and its vanishing in the limit z → ± ∞ {\displaystyle z\rightarrow \pm \infty } and
Here, R {\displaystyle R... | https://en.wikipedia.org/wiki/Sommerfeld_identity |
In the design of fluid bearings , the Sommerfeld number ( S ) is a dimensionless quantity used extensively in hydrodynamic lubrication analysis. The Sommerfeld number is very important in lubrication analysis because it contains all the variables normally specified by the designer.
The Sommerfeld number is named after... | https://en.wikipedia.org/wiki/Sommerfeld_number |
Sommerfeld tracking , named after German expatriate engineer, Kurt Joachim Sommerfeld, [ 1 ] [ 2 ] then living in Cambridge, England, was a lightweight wire mesh type of prefabricated airfield surface. First put into use by the British in 1941, it consisted of wire netting stiffened laterally by steel rods. This gave i... | https://en.wikipedia.org/wiki/Sommerfeld_tracking |
The Sommerfeld–Kossel displacement law states that the first spark (singly ionized) spectrum of an element is similar in all details to the arc (neutral) spectrum of the element preceding it in the periodic table . Likewise, the second (doubly ionized) spark spectrum of an element is similar in all details to the firs... | https://en.wikipedia.org/wiki/Sommerfeld–Kossel_displacement_law |
Somnium ( Latin for "The Dream") — full title: Somnium, seu opus posthumum De astronomia lunari — is a novel written in Latin in 1608 by Johannes Kepler . It was first published in 1634 by Kepler's son, Ludwig Kepler, several years after the death of his father. In the narrative, an Icelandic boy and his witch mother l... | https://en.wikipedia.org/wiki/Somnium_(novel) |
In mathematical analysis and number theory , Somos' quadratic recurrence constant or simply Somos' constant is a constant defined as an expression of infinitely many nested square roots . It arises when studying the asymptotic behaviour of a certain sequence [ 1 ] and also in connection to the binary representations of... | https://en.wikipedia.org/wiki/Somos'_quadratic_recurrence_constant |
Sonali Mukherjee is a woman from Dhanbad , India, whose face was permanently disfigured by an acid attack in 2003 when she was 18. [ 1 ] [ 2 ] [ 3 ] Her family has spent all their savings on her treatment.
Mukherjee was born in Dhanbad . She was a National Cadet Corps cadet, which she had to quit after her attack. [ c... | https://en.wikipedia.org/wiki/Sonali_Mukherjee |
Sonar was a free mobile application which showed the user how they are connected to other individuals in a room via publicly available social media profiles and location information from Foursquare , Twitter , and Facebook . [ 1 ] [ 2 ]
Sonar was founded by Ocean City, Maryland , native Brett Martin, [ 3 ] and was lau... | https://en.wikipedia.org/wiki/Sonar_(mobile_application) |
Sonata was a 3D building design software application developed in the early 1980s and now regarded as the forerunner of today's building information modeling applications. [ 1 ] [ 2 ]
Sonata was commercially released in 1986, [ 3 ] having been developed by Jonathan Ingram independently and was sold to T2 Solutions (re... | https://en.wikipedia.org/wiki/Sonata_(building_design_software) |
A sonic black hole , sometimes called a dumb hole or acoustic black hole , is a phenomenon in which phonons (sound perturbations) are unable to escape from a region of a fluid that is flowing more quickly than the local speed of sound . They are called sonic, or acoustic, black holes because these trapped phonons are a... | https://en.wikipedia.org/wiki/Sonic_black_hole |
Sonic characteristics of marine species - Noise in the ocean is of utmost importance for ocean explorations, oceanographic as well as fisheries studies, sonar operations, etc. The wide range of systems for ocean research demands the need for characterizing the noise sources in the ocean. The ambient noise in the ocean ... | https://en.wikipedia.org/wiki/Sonic_characteristics_of_marine_species |
Sonic interaction design is the study and exploitation of sound as one of the principal channels conveying information , meaning, and aesthetic/emotional qualities in interactive contexts. [ 1 ] [ 2 ] Sonic interaction design is at the intersection of interaction design and sound and music computing . If interaction de... | https://en.wikipedia.org/wiki/Sonic_interaction_design |
Sonic soot blowers offer a cost-effective and non-destructive means of preventing ash and particulate build-up within the power generation industry. They use high energy – low frequency sound waves that provide 360° particulate de-bonding and at a speed in excess of 344 metres per second. Because they employ non-destru... | https://en.wikipedia.org/wiki/Sonic_soot_blowers |
Sonication is the act of applying sound energy to agitate particles in a sample, for various purposes such as the extraction of multiple compounds from plants, microalgae and seaweeds. [ 1 ] Ultrasonic frequencies (> 20 kHz) are usually used, leading to the process also being known as ultrasonication or ultra-sonicatio... | https://en.wikipedia.org/wiki/Sonication |
Sonidegib ( INN ), sold under the brand name Odomzo , is a medication used to treat cancer. [ 1 ]
Sonidegib is a Hedgehog signaling pathway inhibitor (via smoothened antagonism). [ 4 ] [ 5 ]
It was approved for medical use in the United States and in the European Union in 2015 [ 6 ] [ 1 ] [ 7 ] [ 8 ]
It is indicated... | https://en.wikipedia.org/wiki/Sonidegib |
Sonja Louise Barth (21 May 1923 – 10 September 2016, née Skoklefald ) was a Norwegian environmentalist. [ 1 ] [ 2 ]
During World War II she was active in XU , the secret Norwegian resistance operation whose activities were kept secret until 1988. In 2008 she described her experiences to Lars Otto Wollum, on condition ... | https://en.wikipedia.org/wiki/Sonja_Barth |
Empirical methods
Prescriptive and policy
The Sonnenschein–Mantel–Debreu theorem is an important result in general equilibrium economics , proved by Gérard Debreu , Rolf Mantel [ es ] , and Hugo F. Sonnenschein in the 1970s. [ 1 ] [ 2 ] [ 3 ] [ 4 ] It states that the excess demand curve for an exchange economy popula... | https://en.wikipedia.org/wiki/Sonnenschein–Mantel–Debreu_theorem |
Sono-Seq (Sonication of Cross-linked Chromatin Sequencing ) is a method in molecular biology used for determining the sequences of those DNA regions in the genome near regions of open chromatin of expressed genes . It is also known as "Input" in the Chip-Seq protocol, since it follows the same steps except it doesn't r... | https://en.wikipedia.org/wiki/Sono-Seq |
The Sono arsenic filter was invented in 2006 by Abul Hussam , who is a chemistry professor at George Mason University (GMU) in Fairfax , Virginia . It was developed to deal with the problem of arsenic contamination of groundwater . [ 1 ] The filter is now in use in Hussam's native Bangladesh .
Farmers had been drinkin... | https://en.wikipedia.org/wiki/Sono_arsenic_filter |
Sonocatalysis is a field of sonochemistry which is based on the use of ultrasound to change the reactivity of a catalyst in homogenous or heterogenous catalysis . It is generally used to support catalysis . This method of catalysis has been known since the creation of sonochemistry in 1927 by Alfred Lee Loomis (1887–19... | https://en.wikipedia.org/wiki/Sonocatalysis |
Sonochemical synthesis is the process which utilizes the principles of sonochemistry to make molecules undergo a chemical reaction with the application of powerful ultrasound radiation (20 kHz–10 MHz). [ 1 ] [ 2 ] [ 3 ] Sonochemistry generates hot spots that can achieve very high temperatures (5000–25.000 K), pressures... | https://en.wikipedia.org/wiki/Sonochemical_synthesis |
In chemistry , the study of sonochemistry is concerned with understanding the effect of ultrasound in forming acoustic cavitation in liquids, resulting in the initiation or enhancement of the chemical activity in the solution. [ 1 ] Therefore, the chemical effects of ultrasound do not come from a direct interaction of ... | https://en.wikipedia.org/wiki/Sonochemistry |
Sonoelectrochemistry is the application of ultrasound in electrochemistry . Like sonochemistry , sonoelectrochemistry was discovered in the early 20th century. The effects of power ultrasound on electrochemical systems and important electrochemical parameters were originally demonstrated by Moriguchi [ 1 ] and then by ... | https://en.wikipedia.org/wiki/Sonoelectrochemistry |
The Sonogashira reaction is a cross-coupling reaction used in organic synthesis to form carbon–carbon bonds . It employs a palladium catalyst as well as copper co-catalyst to form a carbon–carbon bond between a terminal alkyne and an aryl or vinyl halide . [ 1 ]
R 1 − X + H − ≡ − R 2 → base, rt [Pd] cat., [Cu] cat. R ... | https://en.wikipedia.org/wiki/Sonogashira_coupling |
Sonoluminescence is the emission of light from imploding bubbles in a liquid when excited by sound.
Sonoluminescence was first discovered in 1934 at the University of Cologne . It occurs when a sound wave of sufficient intensity induces a gaseous cavity within a liquid to collapse quickly, emitting a burst of light. T... | https://en.wikipedia.org/wiki/Sonoluminescence |
Sonoporation , or cellular sonication , is the use of sound in the ultrasonic range for increasing the permeability of the cell plasma membrane . This technique is usually used in molecular biology and non-viral gene therapy in order to allow uptake of large molecules such as DNA into the cell, in a cell disruption pro... | https://en.wikipedia.org/wiki/Sonoporation |
The Sony Multimedia CD-ROM Player was a portable CD-ROM –based multimedia player produced by Sony and released in 1992. It was used to run reference software, such as electronic publications and encyclopedia . Before its release, both Sony representatives and the press referred to the device as the Sony Bookman ; [ 7 ]... | https://en.wikipedia.org/wiki/Sony_Multimedia_CD-ROM_Player |
The Sony SmartWatch is a line of wearable devices developed and marketed by Sony Mobile from 2012 to 2016 through three generations. They connect to Android smartphones and can display information such as Twitter feeds and SMS messages, among other things.
The original Sony SmartWatch, model MN2SW, came with a flexibl... | https://en.wikipedia.org/wiki/Sony_SmartWatch |
The Sony Vaio MX series was a series of multimedia-rich desktop PCs part of Sony 's Vaio line, first launched in 2000. Sony combined a desktop PC with high-end Hi-Fi features for an entertainment system. The MX series PCs had a built-in FM radio , MiniDisc player, and an LCD . It also came with a strong bass amplifier ... | https://en.wikipedia.org/wiki/Sony_Vaio_MX_series |
The Sony Vaio TP series was a series of living room PCs part of Sony's Vaio line that sold from 2007 through 2008.
This computing article is a stub . You can help Wikipedia by expanding it . | https://en.wikipedia.org/wiki/Sony_Vaio_TP_series |
The Sony Watchman is a line of portable pocket televisions trademarked and produced by Sony . The line was introduced in 1982 [ 1 ] and discontinued in 2000.
Its name came from a portmanteau formed of "Watch" (watching television ) and "man" from Sony's Walkman personal cassette audio players. There were more than 65 ... | https://en.wikipedia.org/wiki/Sony_Watchman |
12 MP (Sony Exmor RS IMX650), f/2.3, 85 mm (telephoto), f/2.8, 125 mm (telephoto), 1/3.5", Dual Pixel PDAF, 3.5x/5.2x optical zoom, OIS
12 MP (Sony Exmor RS IMX563), f/2.2, 124˚, 16 mm (ultrawide), 1/2.55", Dual Pixel PDAF
0.3 MP (Sony Exmor R IMX316), TOF 3D, (depth)
Zeiss optics, HDR, eye tracking
The Sony Xperia... | https://en.wikipedia.org/wiki/Sony_Xperia_1_IV |
The Sony Xperia 1 V [ a ] is an Android smartphone manufactured by Sony . Launched on May 11, 2023, it succeeds the Xperia 1 IV as the latest flagship of Sony's Xperia series . The device was announced along with the mid-range Xperia 10 V , with expected release dates by June 2023 for Japan and European markets and Jul... | https://en.wikipedia.org/wiki/Sony_Xperia_1_V |
Platinum Silver
Khaki Green
Sony Xperia 1 VI is a smartphone product of the Sony Xperia 1 range. The phone was released on May 15, 2024, powered by the Snapdragon 8 Gen 3 chipset and Qualcomm Snapdragon X75 modem. The phone's display has a 19.5:9 aspect ratio with FHD+ resolution, unlike 21:9 with 4K display like the ... | https://en.wikipedia.org/wiki/Sony_Xperia_1_VI |
Zeiss optics, HDR, eye tracking
360 Reality Audio hardware decoding LDAC
The Sony Xperia 5 IV [ a ] is an Android smartphone manufactured by Sony . Part of Sony's Xperia series, the phone was announced on September 1, 2022.
The Xperia 5 IV is built similarly to the Xperia 1 IV , using anodized aluminum for the frame... | https://en.wikipedia.org/wiki/Sony_Xperia_5_IV |
Hwang Woo-suk ( Korean : 황우석 , born January 29, 1953) [ 1 ] is a South Korean veterinarian and researcher. He was a professor of theriogenology and biotechnology at Seoul National University until he was dismissed on March 20, 2006. He was considered a pioneering expert in stem cell research and even called the "Pride ... | https://en.wikipedia.org/wiki/Sooam_Biotech_Research_Foundation |
Sooraj Surendran is an Indian technologist and electronic engineering graduate from Anna University . [ 2 ] He has made significant contributions to motorized wheelchair deployment in Tamil Nadu. [ 3 ]
Surendran was born in Kollam, Kerala , India. [ 2 ] His mother Sudha was a housewife and his father was K Surendran P... | https://en.wikipedia.org/wiki/Sooraj_Surendran |
In mathematics, Sophie Germain's identity is a polynomial factorization named after Sophie Germain stating that x 4 + 4 y 4 = ( ( x + y ) 2 + y 2 ) ⋅ ( ( x − y ) 2 + y 2 ) = ( x 2 + 2 x y + 2 y 2 ) ⋅ ( x 2 − 2 x y + 2 y 2 ) . {\displaystyle {\begin{aligned}x^{4}+4y^{4}&={\bigl (}(x+y)^{2}+y^{2}{\bigr )}\cdot {\bigl (}(... | https://en.wikipedia.org/wiki/Sophie_Germain's_identity |
In number theory , Sophie Germain's theorem is a statement about the divisibility of solutions to the equation x p + y p = z p {\displaystyle x^{p}+y^{p}=z^{p}} of Fermat's Last Theorem for odd prime p {\displaystyle p} .
Specifically, Sophie Germain proved that at least one of the numbers x {\displaystyle x} , y {\di... | https://en.wikipedia.org/wiki/Sophie_Germain's_theorem |
In algorithmic information theory , sophistication is a measure of complexity related to algorithmic entropy .
When K is the Kolmogorov complexity and c is a constant, the sophistication of x can be defined as [ 1 ]
The constant c is called significance . The S variable ranges over finite sets.
Intuitively, sophisti... | https://en.wikipedia.org/wiki/Sophistication_(complexity_theory) |
In mathematics, the sophomore's dream is the pair of identities (especially the first)
∫ 0 1 x − x d x = ∑ n = 1 ∞ n − n ∫ 0 1 x x d x = ∑ n = 1 ∞ ( − 1 ) n + 1 n − n = − ∑ n = 1 ∞ ( − n ) − n {\displaystyle {\begin{alignedat}{2}&\int _{0}^{1}x^{-x}\,dx&&=\sum _{n=1}^{\infty }n^{-n}\\&\int _{0}^{1}x^{x}\,dx&&=\sum _{n... | https://en.wikipedia.org/wiki/Sophomore's_dream |
A sophorolipid is a surface-active glycolipid compound that can be synthesized by a selected number of non-pathogenic yeast species. [ 1 ] They are potential bio-surfactants due to their biodegradability and low eco-toxicity.
Sophorolipids are glycolipids consisting of a hydrophobic fatty acid tail of 16 or 18 carbon ... | https://en.wikipedia.org/wiki/Sophorolipid |
Sophus Mads Jørgensen (4 July 1837 – 1 April 1914) was a Danish chemist. He is considered one of the founders of coordination chemistry , mainly by being one of the pioneers of chain theory , and is known for the debates which he had with Alfred Werner during 1893–1899. While Jørgensen's theories on coordination chemis... | https://en.wikipedia.org/wiki/Sophus_Mads_Jørgensen |
A sorbent is an insoluble material that either absorbs or adsorbs liquids [ 1 ] or gases. [ 2 ] They are frequently used to remove pollutants and in the cleanup of chemical accidents [ 3 ] and oil spills . [ 4 ] Besides their uses in industry, sorbents are used in commercial products such as diapers [ 5 ] and odor abso... | https://en.wikipedia.org/wiki/Sorbent |
Sorbent tubes are the most widely used collection media for sampling hazardous gases and vapors in air, mostly as it relates to industrial hygiene . They were developed by the US National Institute for Occupational Safety and Health (NIOSH) for air quality testing of workers. Sorbent Tubes are available from CARO Anal... | https://en.wikipedia.org/wiki/Sorbent_tube |
The Sord M23P was a "luggable" Japanese personal computer (weighed about 9 kg), manufactured by Sord Corp. from 1983. It was one of the first machines to use the 3½" disk drive produced by Sony .
This computing article is a stub . You can help Wikipedia by expanding it . | https://en.wikipedia.org/wiki/Sord_M23P |
Soredia are common reproductive structures of lichens . [ 1 ] Lichens reproduce asexually by employing simple fragmentation and production of soredia and isidia . [ 2 ] Soredia are powdery propagules composed of fungal hyphae wrapped around cyanobacteria or green algae . [ 1 ] These can be either scattered diffusely ac... | https://en.wikipedia.org/wiki/Soredium |
Sorin Teodor Popa (born 24 March 1953) is a Romanian American mathematician working on operator algebras . He is a professor at the University of California, Los Angeles . [ 1 ] He was elected a Member of the National Academy of Sciences in 2025. [ 2 ]
Popa earned his PhD from the University of Bucharest in 1983 under... | https://en.wikipedia.org/wiki/Sorin_Popa |
Soroush Plus ( Persian : سروش پلاس , Messenger angel ) is an Iranian cross-platform , instant messaging (IM), social media and VoIP service developed by the Setak Houshmand Sharif. [ 1 ] It is one of the most widely used messaging apps in Iran , with more than 35 million users. [ 2 ] Soroush enables users to send text ... | https://en.wikipedia.org/wiki/Soroush_Plus |
Sorption is a physical and chemical process by which one substance becomes attached to another. Specific cases of sorption are treated in the following articles:
The reverse of sorption is desorption .
The adsorption and absorption rate of a diluted solute in gas or liquid solution to a surface or interface can be ca... | https://en.wikipedia.org/wiki/Sorption |
Sorption enhanced water gas shift ( SEWGS ) is a technology that combines a pre-combustion carbon capture process with the water gas shift reaction (WGS) in order to produce a hydrogen rich stream from the syngas fed to the SEWGS reactor. [ 1 ]
The water gas shift reaction converts the carbon monoxide into carbon diox... | https://en.wikipedia.org/wiki/Sorption_enhanced_water_gas_shift |
In computing , sort is a standard command line program of Unix and Unix-like operating systems , that prints the lines of its input or concatenation of all files listed in its argument list in sorted order. Sorting is done based on one or more sort keys extracted from each line of input. By default, the entire input is... | https://en.wikipedia.org/wiki/Sort_(Unix) |
In logistics , a sorter is a system which performs sortation of products (goods, luggage, mail, etc.) according to their destinations. [ 1 ]
A common type of sorter is a conveyor -based system. While they may be based on other conveyor systems, usually sorters are unique types of conveyors. [ 1 ]
Sortation is the pro... | https://en.wikipedia.org/wiki/Sorter_(logistics) |
In computer science , comparator networks are abstract devices built up of a fixed number of "wires", carrying values, and comparator modules that connect pairs of wires, swapping the values on the wires if they are not in a desired order. Such networks are typically designed to perform sorting on fixed numbers of valu... | https://en.wikipedia.org/wiki/Sorting_network |
SOTIO Biotech [ 1 ] is a Czech biotechnology company focused on clinical-stage research and development of innovative medicines for cancer with operations in Europe, North America, and Asia. [ 2 ] The company has clinical programs which include a superagonist of the immuno-oncology target IL-15 , a new generation of po... | https://en.wikipedia.org/wiki/Sotio |
In chemical engineering , the Souders–Brown equation (named after Mott Souders and George Granger Brown [ 1 ] [ 2 ] ) has been a tool for obtaining the maximum allowable vapor velocity in vapor–liquid separation vessels (variously called flash drums , knockout drums , knockout pots , compressor suction drums and compre... | https://en.wikipedia.org/wiki/Souders–Brown_equation |
In mathematics , the soul theorem is a theorem of Riemannian geometry that largely reduces the study of complete manifolds of non-negative sectional curvature to that of the compact case. Jeff Cheeger and Detlef Gromoll proved the theorem in 1972 by generalizing a 1969 result of Gromoll and Wolfgang Meyer. The related ... | https://en.wikipedia.org/wiki/Soul_conjecture |
Sound design is the art and practice of creating auditory elements of media. It involves specifying, acquiring and creating audio using production techniques and equipment or software. It is employed in a variety of disciplines including filmmaking , television production , video game development , theatre , sound reco... | https://en.wikipedia.org/wiki/Sound_design |
Sound energy density or sound density is the sound energy per unit volume. The SI unit of sound energy density is the pascal (Pa), which is 1 kg⋅m −1 ⋅s −2 in SI base units or 1 joule per cubic metre (J/m 3 ). [ 1 ] : Section 2.3.4: Derived units, Table 4
Sound energy density, denoted w , is defined by
where
The ter... | https://en.wikipedia.org/wiki/Sound_energy_density |
Sound intensity , also known as acoustic intensity , is defined as the power carried by sound waves per unit area in a direction perpendicular to that area, also called the sound power density and the sound energy flux density . [ 2 ] The SI unit of intensity, which includes sound intensity, is the watt per square mete... | https://en.wikipedia.org/wiki/Sound_intensity |
A sound level meter (also called sound pressure level meter ( SPL )) is used for acoustic measurements. It is commonly a hand-held instrument with a microphone . The best type of microphone for sound level meters is the condenser microphone, which combines precision with stability and reliability. [ 1 ] The diaphragm o... | https://en.wikipedia.org/wiki/Sound_level_meter |
SOT is an acronym for the phrase sound on tape . It refers to any audio recorded on analog or digital video formats. It is used in scriptwriting for television productions and filmmaking to indicate the portions of the production that will use room tone or other audio from the time of recording, as opposed to audio rec... | https://en.wikipedia.org/wiki/Sound_on_tape |
Sound power or acoustic power is the rate at which sound energy is emitted, reflected , transmitted or received, per unit time. [ 1 ] It is defined [ 2 ] as "through a surface, the product of the sound pressure , and the component of the particle velocity , at a point on the surface in the direction normal to the surfa... | https://en.wikipedia.org/wiki/Sound_power |
Sound pressure or acoustic pressure is the local pressure deviation from the ambient (average or equilibrium) atmospheric pressure , caused by a sound wave . In air, sound pressure can be measured using a microphone , and in water with a hydrophone . The SI unit of sound pressure is the pascal (Pa). [ 1 ]
A sound wave... | https://en.wikipedia.org/wiki/Sound_pressure |
Sound recognition is a technology, which is based on both traditional pattern recognition theories and audio signal analysis methods. Sound recognition technologies contain preliminary data processing, feature extraction and classification algorithms. Sound recognition can classify feature vectors. Feature vectors are ... | https://en.wikipedia.org/wiki/Sound_recognition |
Sound recording and reproduction is the electrical , mechanical , electronic, or digital inscription and re-creation of sound waves, such as spoken voice, singing, instrumental music , or sound effects . The two main classes of sound recording technology are analog recording and digital recording .
Acoustic analog rec... | https://en.wikipedia.org/wiki/Sound_recording_and_reproduction |
A sound reinforcement system is the combination of microphones , signal processors , amplifiers , and loudspeakers in enclosures all controlled by a mixing console that makes live or pre-recorded sounds louder and may also distribute those sounds to a larger or more distant audience. [ 1 ] [ 2 ] In many situations, a s... | https://en.wikipedia.org/wiki/Sound_reinforcement_system |
Sound scenography (also known as acoustic scenography ) [ 1 ] is the process of staging spaces and environments through sound. [ 2 ] It combines expertise from the fields of architecture , acoustics , communication , sound design and interaction design to convey artistic, historical, scientific, or commercial content o... | https://en.wikipedia.org/wiki/Sound_scenography |
Sound Transmission Class (or STC ) is an integer rating of how well a building partition attenuates airborne sound . In the US, it is widely used to rate interior partitions, ceilings, floors, doors, windows and exterior wall configurations. Outside the US, the ISO Sound Reduction Index (SRI) is used. The STC rating ve... | https://en.wikipedia.org/wiki/Sound_transmission_class |
In logic and deductive reasoning , an argument is sound if it is both valid in form and has no false premises . [ 1 ] Soundness has a related meaning in mathematical logic , wherein a formal system of logic is sound if and only if every well-formed formula that can be proven in the system is logically valid with respec... | https://en.wikipedia.org/wiki/Soundness |
Soundproofing is any means of impeding sound propagation . There are several methods employed including increasing the distance between the source and receiver, decoupling, using noise barriers to reflect or absorb the energy of the sound waves , using damping structures such as sound baffles for absorption , or using ... | https://en.wikipedia.org/wiki/Soundproofing |
Soundscape ecology is the study of the acoustic relationships between living organisms, human and other, and their environment, whether the organisms are marine or terrestrial. First appearing in the Handbook for Acoustic Ecology edited by Barry Truax , in 1978, [ 1 ] the term has occasionally been used, sometimes inte... | https://en.wikipedia.org/wiki/Soundscape_ecology |
Sour crude oil is crude oil containing a high amount of the impurity sulfur . It is common to find crude oil containing some impurities. When the total sulfur level in the oil is more than 0.5% (by weight), the oil is called "sour". [ 1 ]
The impurities need to be removed before this lower-quality crude can be refined... | https://en.wikipedia.org/wiki/Sour_crude_oil |
In a Unix shell , the full stop called the dot command ( . ) is a command that evaluates commands in a computer file in the current execution context. [ 1 ] In the C shell , a similar functionality is provided as the source command, [ 2 ] and this name is seen in "extended" POSIX shells as well. [ 3 ] [ 4 ]
The dot co... | https://en.wikipedia.org/wiki/Source_(command) |
In the field of epidemiology , source attribution refers to a category of methods with the objective of reconstructing the transmission of an infectious disease from a specific source, such as a population, individual, or location. For example, source attribution methods may be used to trace the origin of a new pathog... | https://en.wikipedia.org/wiki/Source_attribution |
Erlang is an open source programming language . Multiple development environments (including IDEs and source code editors with plug-ins adding IDE features) have support for Erlang. [ 1 ] | https://en.wikipedia.org/wiki/Source_code_editors_for_Erlang |
Source code viruses are a subset of computer viruses that make modifications to source code located on an infected machine. A source file can be overwritten such that it includes a call to some malicious code. By targeting a generic programming language, such as C , source code viruses can be very portable . Source cod... | https://en.wikipedia.org/wiki/Source_code_virus |
The source function is a characteristic of a stellar atmosphere, and in the case of no scattering of photons, describes the ratio of the emission coefficient to the absorption coefficient. It is a measure of how photons in a light beam are removed and replaced by new photons by the material it passes through. Its units... | https://en.wikipedia.org/wiki/Source_function |
Source reduction is activities designed to reduce the volume, mass, or toxicity of products throughout the life cycle. It includes the design and manufacture, use, and disposal of products with minimum toxic content, minimum volume of material, and/or a longer useful life .
The term is also used to describe measures ... | https://en.wikipedia.org/wiki/Source_reduction |
Source transformation is the process of simplifying a circuit solution, especially with mixed sources, by transforming voltage sources into current sources, and vice versa, using Thévenin's theorem and Norton's theorem respectively. [ 1 ]
Performing a source transformation consists of using Ohm's law to take an existi... | https://en.wikipedia.org/wiki/Source_transformation |
Source water protection is a planning process conducted by local water utilities, as well as regional or national government agencies, to protect drinking water sources from overuse and contamination. The process includes identification of water sources, assessment of known and potential threats of contamination, notif... | https://en.wikipedia.org/wiki/Source_water_protection |
Source–sink dynamics is a theoretical model used by ecologists to describe how variation in habitat quality may affect the population growth or decline of organisms .
Since quality is likely to vary among patches of habitat, it is important to consider how a low quality patch might affect a population. In this model,... | https://en.wikipedia.org/wiki/Source–sink_dynamics |
South is one of the cardinal directions or compass points . The direction is the opposite of north and is perpendicular to both west and east .
The word south comes from Old English sūþ , from earlier Proto-Germanic *sunþaz ("south"), possibly related to the same Proto-Indo-European root that the word sun derived from... | https://en.wikipedia.org/wiki/South |
The south-pointing chariot (or carriage ) was an ancient Chinese two-wheeled vehicle that carried a movable pointer to indicate the south , no matter how the chariot turned. Usually, the pointer took the form of a doll or figure with an outstretched arm. The chariot was supposedly used as a non-magnetic compass for nav... | https://en.wikipedia.org/wiki/South-pointing_chariot |
The South African Academy of Engineering (S.A.A.E.) is a non-profit , independent institution with some 151 fellows (June 2009) drawn mainly from the engineering sector of the Republic of South Africa . The aims of the academy are to promote excellence in the science and application of engineering for the benefit of So... | https://en.wikipedia.org/wiki/South_African_Academy_of_Engineering |
The South African Chemical Workers' Union (SACWU) is a trade union representing workers in the chemical industry in South Africa .
The union was founded in 1973 and affiliated to the Consultative Committee, a loose grouping of trade unions. It was initially very small, and had grown to only 960 members by 1979. In 1... | https://en.wikipedia.org/wiki/South_African_Chemical_Workers'_Union |
The South African Institute of Electrical Engineers (SAIEE) is a professional association representing electrical and electronic engineers, technologists and technicians in Southern Africa. The organisation is listed as a recognised Voluntary Association [ 1 ] by the Engineering Council of South Africa (ECSA), the stat... | https://en.wikipedia.org/wiki/South_African_Institute_of_Electrical_Engineers |
The South African National Biodiversity Institute (SANBI) is an organisation tasked with research and dissemination of information on biodiversity, and legally mandated to contribute to the management of the country's biodiversity resources. [ 3 ]
It was established in 2004 in terms of the National Environmental Manag... | https://en.wikipedia.org/wiki/South_African_National_Biodiversity_Institute |
The South Carolina Aeronautics Commission ( SCAC ) is a government agency in the U.S. state of South Carolina . The SCAC, in conjunction with the Federal Aviation Administration , is "responsible for collecting, validating, and distributing the operational status of all aspects of the state’s air traffic facilities, in... | https://en.wikipedia.org/wiki/South_Carolina_Aeronautics_Commission |
The South Turkmenistan Complex Archaeological Expedition (STACE), also called the South Turkmenistan Archaeological Inter-disciplinary Expedition of the Academy of Sciences of the Turkmen Soviet Socialist Republic (YuTAKE) was endorsed by the Turkmenistan Academy of Sciences. It was initially organized by the orientali... | https://en.wikipedia.org/wiki/South_Turkmenistan_Complex_Archaeological_Expedition |
Southeast is a compass point.
Southeast , south-east , south east , southeastern , south-eastern , or south eastern may also refer to:
United Kingdom
Elsewhere | https://en.wikipedia.org/wiki/Southeast_(disambiguation) |
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