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https://en.wikipedia.org/wiki/Electron%20donor | In chemistry, an electron donor is a chemical entity that donates electrons to another compound. It is a reducing agent that, by virtue of its donating electrons, is itself oxidized in the process.
Typical reducing agents undergo permanent chemical alteration through covalent or ionic reaction chemistry. This results ... |
https://en.wikipedia.org/wiki/Jet%20group | In mathematics, a jet group is a generalization of the general linear group which applies to Taylor polynomials instead of vectors at a point. A jet group is a group of jets that describes how a Taylor polynomial transforms under changes of coordinate systems (or, equivalently, diffeomorphisms).
Overview
The k-th ord... |
https://en.wikipedia.org/wiki/Lamb%E2%80%93Oseen%20vortex | In fluid dynamics, the Lamb–Oseen vortex models a line vortex that decays due to viscosity. This vortex is named after Horace Lamb and Carl Wilhelm Oseen.
Mathematical description
Oseen looked for a solution for the Navier–Stokes equations in cylindrical coordinates with velocity components of the form
where is t... |
https://en.wikipedia.org/wiki/Batchelor%20vortex | In fluid dynamics, Batchelor vortices, first described by George Batchelor in a 1964 article, have been found useful in analyses of airplane vortex wake hazard problems.
The model
The Batchelor vortex is an approximate solution to the Navier–Stokes equations obtained using a boundary layer approximation. The physical ... |
https://en.wikipedia.org/wiki/Jim%20Eno | Jim Eno (born February 8, 1966) is the drummer and one of the founding members of the Austin, Texas band Spoon. He is also a record producer and a semiconductor chip designer.
Overview
Eno was born in Rhode Island. He studied electrical engineering at North Carolina State University and worked as a hardware design e... |
https://en.wikipedia.org/wiki/Nikolay%20Umov | Nikolay Alekseevich Umov (; January 23, 1846 – January 15, 1915) was a Russian physicist and mathematician known for discovering the concept of Umov-Poynting vector and Umov effect.
Biography
Umov was born in 1846 in Simbirsk (present-day Ulyanovsk) in the family of a military doctor. He graduated from the Physics and... |
https://en.wikipedia.org/wiki/Symmetric%20product%20of%20an%20algebraic%20curve | In mathematics, the n-fold symmetric product of an algebraic curve C is the quotient space of the n-fold cartesian product
C × C × ... × C
or Cn by the group action of the symmetric group Sn on n letters permuting the factors. It exists as a smooth algebraic variety denoted by ΣnC. If C is a compact Riemann surface, ... |
https://en.wikipedia.org/wiki/Linearly%20disjoint | In mathematics, algebras A, B over a field k inside some field extension of k are said to be linearly disjoint over k if the following equivalent conditions are met:
(i) The map induced by is injective.
(ii) Any k-basis of A remains linearly independent over B.
(iii) If are k-bases for A, B, then the products are ... |
https://en.wikipedia.org/wiki/CoSy | CoSy, short for Conferencing System, was an early computer conferencing system developed at the University of Guelph.
The CoS software grew out of an interest in group computer mediated communication systems in 1981 by Dick Mason and John Black. A project was initiated in the Institute of Computer Science to investiga... |
https://en.wikipedia.org/wiki/Prime%20decomposition%20of%203-manifolds | In mathematics, the prime decomposition theorem for 3-manifolds states that every compact, orientable 3-manifold is the connected sum of a unique (up to homeomorphism) finite collection of prime 3-manifolds.
A manifold is prime if it cannot be presented as a connected sum of more than one manifold, none of which is th... |
https://en.wikipedia.org/wiki/Normal%20surface | In mathematics, a normal surface is a surface inside a triangulated 3-manifold that intersects each tetrahedron so that each component of intersection is a triangle or a quad (see figure). A triangle cuts off a vertex of the tetrahedron while a quad separates pairs of vertices. A normal surface may have many componen... |
https://en.wikipedia.org/wiki/Chemical%20nomenclature | A chemical nomenclature is a set of rules to generate systematic names for chemical compounds. The nomenclature used most frequently worldwide is the one created and developed by the International Union of Pure and Applied Chemistry (IUPAC).
The IUPAC's rules for naming organic and inorganic compounds are contained i... |
https://en.wikipedia.org/wiki/Impress | Impress or Impression may refer to:
Arts
Big Impression, a British comedy sketch show
Impression, Sunrise, a painting by Claude Monet
Biology
Maternal impression, an obsolete scientific theory that explained the existence of birth defects and congenital disorders
IMPReSS, a database of standardized phenotyping protoc... |
https://en.wikipedia.org/wiki/Dirichlet%27s%20test | In mathematics, Dirichlet's test is a method of testing for the convergence of a series. It is named after its author Peter Gustav Lejeune Dirichlet, and was published posthumously in the Journal de Mathématiques Pures et Appliquées in 1862.
Statement
The test states that if is a sequence of real numbers and a seq... |
https://en.wikipedia.org/wiki/Glossary%20of%20arithmetic%20and%20diophantine%20geometry | This is a glossary of arithmetic and diophantine geometry in mathematics, areas growing out of the traditional study of Diophantine equations to encompass large parts of number theory and algebraic geometry. Much of the theory is in the form of proposed conjectures, which can be related at various levels of generality.... |
https://en.wikipedia.org/wiki/Positive%20definiteness | In mathematics, positive definiteness is a property of any object to which a bilinear form or a sesquilinear form may be naturally associated, which is positive-definite. See, in particular:
Positive-definite bilinear form
Positive-definite function
Positive-definite function on a group
Positive-definite functiona... |
https://en.wikipedia.org/wiki/Jacobi%20sum | In mathematics, a Jacobi sum is a type of character sum formed with Dirichlet characters. Simple examples would be Jacobi sums J(χ, ψ) for Dirichlet characters χ, ψ modulo a prime number p, defined by
where the summation runs over all residues (for which neither a nor is 0). Jacobi sums are the analogues for fini... |
https://en.wikipedia.org/wiki/G%20band | G band may refer to:
G band (IEEE), a millimetre wave band from 110 to 300 GHz
G band (NATO), a radio frequency band from 4 to 6 GHz
G band, representing a green hued wavelength of in the photometric systems adopted by astronomers
G banding, in cytogenetics |
https://en.wikipedia.org/wiki/Generalized%20suffix%20tree | In computer science, a generalized suffix tree is a suffix tree for a set of strings. Given the set of strings of total length , it is a Patricia tree containing all suffixes of the strings. It is mostly used in bioinformatics.
Functionality
It can be built in time and space, and can be used to find all occurrenc... |
https://en.wikipedia.org/wiki/GEO600 | GEO600 is a gravitational wave detector located near Sarstedt, a town 20 km to the south of Hanover, Germany. It is designed and operated by scientists from the Max Planck Institute for Gravitational Physics, Max Planck Institute of Quantum Optics and the Leibniz Universität Hannover, along with University of Glasgow, ... |
https://en.wikipedia.org/wiki/Maurice%20Anthony%20Biot | Maurice Anthony Biot (May 25, 1905 – September 12, 1985) was a Belgian-American applied physicist. He made contributions in thermodynamics, aeronautics, geophysics, earthquake engineering, and electromagnetism. Particularly, he was accredited as the founder of the theory of poroelasticity.
Born in Antwerp, Belgium, Bi... |
https://en.wikipedia.org/wiki/Poroelasticity | Poroelasticity is a field in materials science and mechanics that studies the interaction between fluid flow and solids deformation within a linear porous medium and it is an extension of elasticity and porous medium flow (diffusion equation). The deformation of the medium influences the flow of the fluid and vice vers... |
https://en.wikipedia.org/wiki/Lady%20Margaret%20School | Lady Margaret School is an all-girls' Church of England secondary school in Parsons Green, Fulham, London. It was awarded specialist school status (a government funding scheme defunct since 2010) as a Mathematics & Computing College in September 2003, and became an academy in September 2012. In September 2017 it celeb... |
https://en.wikipedia.org/wiki/Thin%20set%20%28Serre%29 | In mathematics, a thin set in the sense of Serre, named after Jean-Pierre Serre, is a certain kind of subset constructed in algebraic geometry over a given field K, by allowed operations that are in a definite sense 'unlikely'. The two fundamental ones are: solving a polynomial equation that may or may not be the case;... |
https://en.wikipedia.org/wiki/Belyi%27s%20theorem | In mathematics, Belyi's theorem on algebraic curves states that any non-singular algebraic curve C, defined by algebraic number coefficients, represents a compact Riemann surface which is a ramified covering of the Riemann sphere, ramified at three points only.
This is a result of G. V. Belyi from 1979. At the time i... |
https://en.wikipedia.org/wiki/Spring%20%28mathematics%29 | In geometry, a spring is a surface in the shape of a coiled tube, generated by sweeping a circle about the path of a helix.
Definition
A spring wrapped around the z-axis can be defined parametrically by:
where
is the distance from the center of the tube to the center of the helix,
is the radius of the tube,
is ... |
https://en.wikipedia.org/wiki/Yakov%20Frenkel |
Yakov Il'ich Frenkel (; 10 February 1894 – 23 January 1952) was a Soviet physicist renowned for his works in the field of condensed-matter physics. He is also known as Jacov Frenkel, frequently using the name J. Frenkel in publications in English.
Early years
He was born to a Jewish family in Rostov on Don, in the D... |
https://en.wikipedia.org/wiki/Riemann%E2%80%93Roch%20theorem%20for%20surfaces | In mathematics, the Riemann–Roch theorem for surfaces describes the dimension of linear systems on an algebraic surface. The classical form of it was first given by , after preliminary versions of it were found by and . The sheaf-theoretic version is due to Hirzebruch.
Statement
One form of the Riemann–Roch theorem s... |
https://en.wikipedia.org/wiki/Cletus%20Wotorson | Cletus Segbe Wotorson (born 13 March 1937) is a Liberian politician and geologist. On March 26, 2009 he was elected as President Pro Tempore of the Senate of Liberia, beating out fellow Senator Gbehzohngar Milton Findley. He served until 2012.
Positions
Assistant Professor of Geology & Geophysics – University of Liber... |
https://en.wikipedia.org/wiki/Madelung | Madelung is a German surname. It is also the name of multiple terms in mathematics and science based on people named Madelung.
People
Erwin Madelung (1881–1972), German physicist
Georg Hans Madelung (1889–1972), German aeronautical engineer
Otto Wilhelm Madelung (1846–1926), German surgeon
Wilferd Madelung (1930–2... |
https://en.wikipedia.org/wiki/Bland%E2%80%93Altman%20plot | A Bland–Altman plot (difference plot) in analytical chemistry or biomedicine is a method of data plotting used in analyzing the agreement between two different assays. It is identical to a Tukey mean-difference plot, the name by which it is known in other fields, but was popularised in medical statistics by J. Martin B... |
https://en.wikipedia.org/wiki/1%2C1%2C1%2C2%2C3%2C3%2C3-Heptafluoropropane | 1,1,1,2,3,3,3-Heptafluoropropane, also called heptafluoropropane, HFC-227ea (ISO name), HFC-227 or FM-200, as well as apaflurane (INN), is a colourless, odourless gaseous halocarbon commonly used as a gaseous fire suppression agent.
Chemistry
Its chemical formula is CF-CHF-CF, or CHF. With a boiling point of −16.4 °C,... |
https://en.wikipedia.org/wiki/Schur%20polynomial | In mathematics, Schur polynomials, named after Issai Schur, are certain symmetric polynomials in n variables, indexed by partitions, that generalize the elementary symmetric polynomials and the complete homogeneous symmetric polynomials. In representation theory they are the characters of polynomial irreducible repre... |
https://en.wikipedia.org/wiki/Quinoxaline | A quinoxaline, also called a benzopyrazine, in organic chemistry, is a heterocyclic compound containing a ring complex made up of a benzene ring and a pyrazine ring. It is isomeric with other naphthyridines including quinazoline, phthalazine and cinnoline. It is a colorless oil that melts just above room temperature. A... |
https://en.wikipedia.org/wiki/Cadmium%20fluoride | Cadmium fluoride (CdF2) is a mostly water-insoluble source of cadmium used in oxygen-sensitive applications, such as the production of metallic alloys. In extremely low concentrations (ppm), this and other fluoride compounds are used in limited medical treatment protocols. Fluoride compounds also have significant uses ... |
https://en.wikipedia.org/wiki/Semimodule | In mathematics, a semimodule over a semiring R is like a module over a ring except that it is only a commutative monoid rather than an abelian group.
Definition
Formally, a left R-semimodule consists of an additively-written commutative monoid M and a map from to M satisfying the following axioms:
.
A right... |
https://en.wikipedia.org/wiki/Air%20Command%20and%20Control%20System | Air Command and Control System (ACCS) is the NATO project planned to replace the NATO Air Command and Control Systems of the 1990s. At the highest level it comprised the Combined Air Operations Centre (CAOC) from which the air battle is run. Beneath this level of command is the Air Control Centre (ACC), Recognized Air... |
https://en.wikipedia.org/wiki/Mark%20Perakh | Mark Perakh (; perach (פֶּ֫רַח) is the Hebrew word for "flower"; born Mark Yakovlevich Popereka in 1924, Kiev, Ukraine, died 7 May 2013 in Escondido, California), was a professor emeritus of Mathematics and statistical mechanics at California State University, Fullerton in Fullerton, California.
Perakh taught physics,... |
https://en.wikipedia.org/wiki/Intersection%20theory | In mathematics, intersection theory is one of the main branches of algebraic geometry, where it gives information about the intersection of two subvarieties of a given variety. The theory for varieties is older, with roots in Bézout's theorem on curves and elimination theory. On the other hand, the topological theory m... |
https://en.wikipedia.org/wiki/IUPAC%20nomenclature%20of%20inorganic%20chemistry | In chemical nomenclature, the IUPAC nomenclature of inorganic chemistry is a systematic method of naming inorganic chemical compounds, as recommended by the International Union of Pure and Applied Chemistry (IUPAC). It is published in Nomenclature of Inorganic Chemistry (which is informally called the Red Book). Ideall... |
https://en.wikipedia.org/wiki/Hecke%20L-function | In mathematics, a Hecke L-function may refer to:
an L-function of a modular form
an L-function of a Hecke character |
https://en.wikipedia.org/wiki/RecLOH | RecLOH is a term in genetics that is an abbreviation for "Recombinant Loss of Heterozygosity".
This is a type of mutation which occurs with DNA by recombination. From a pair of equivalent ("homologous"), but slightly different (heterozygous) genes, a pair of identical genes results. In this case there is a non-recipro... |
https://en.wikipedia.org/wiki/Opus%20Majus | The (Latin for "Greater Work") is the most important work of Roger Bacon. It was written in Medieval Latin, at the request of Pope Clement IV, to explain the work that Bacon had undertaken. The 878-page treatise ranges over all aspects of natural science, from grammar and logic to mathematics, physics, and philosophy.... |
https://en.wikipedia.org/wiki/P%20series | P series or P-series may refer to:
the p-series in mathematics, related to convergence of certain series
P-series fuels, blends of fuels
Huawei P series, mobile phone series by Huawei
IBM pSeries, computer series by IBM
Ruger P series – pistols
ThinkPad P series, mobile workstation line by Lenovo
Sony Cybersho... |
https://en.wikipedia.org/wiki/Small%20set%20%28category%20theory%29 | In category theory, a small set is one in a fixed universe of sets (as the word universe is used in mathematics in general). Thus, the category of small sets is the category of all sets one cares to consider. This is used when one does not wish to bother with set-theoretic concerns of what is and what is not considered... |
https://en.wikipedia.org/wiki/Large%20set%20%28combinatorics%29 | In combinatorial mathematics, a large set of positive integers
is one such that the infinite sum of the reciprocals
diverges. A small set is any subset of the positive integers that is not large; that is, one whose sum of reciprocals converges.
Large sets appear in the Müntz–Szász theorem and in the Erdős conjectur... |
https://en.wikipedia.org/wiki/Clock%20%28cryptography%29 | In cryptography, the clock was a method devised by Polish mathematician-cryptologist Jerzy Różycki, at the Polish General Staff's Cipher Bureau, to facilitate decrypting German Enigma ciphers. The method determined the rightmost rotor in the German Enigma by exploiting the different turnover positions. For the Poles, l... |
https://en.wikipedia.org/wiki/Card%20catalog%20%28cryptology%29 | The card catalog, or "catalog of characteristics," in cryptography, was a system designed by Polish Cipher Bureau mathematician-cryptologist Marian Rejewski, and first completed about 1935 or 1936, to facilitate decrypting German Enigma ciphers.
History
The Polish Cipher Bureau used the theory of permutations to start... |
https://en.wikipedia.org/wiki/Mostafa%20El-Sayed | Mostafa A. El-Sayed (Arabic: مصطفى السيد) is an Egyptian-American physical chemist, a leading nanoscience researcher, a member of the National Academy of Sciences and a US National Medal of Science laureate. He was the editor-in-chief of the Journal of Physical Chemistry during a critical period of growth. He is also ... |
https://en.wikipedia.org/wiki/Godfrey%20v%20Demon%20Internet%20Service | Godfrey v Demon Internet Service [2001] QB 201 was a landmark court case in the United Kingdom concerning online defamation and the liability of Internet service providers.
Facts
Laurence Godfrey—a physics lecturer—learned that someone had posted a message to the Usenet discussion group soc.culture.thai. That message—... |
https://en.wikipedia.org/wiki/Netarhat%20Residential%20School | Netarhat Residential School is a school in Netarhat, India. The school has a record of producing toppers of the Bihar School Examination Board year after year. The students have dominated the Regional Mathematics Olympiad and National Talent Search Examination (NTSE) conducted by the National Council of Educational Res... |
https://en.wikipedia.org/wiki/Isaac%20Orobio%20de%20Castro | Balthazar (Isaac) Orobio de Castro (c.1617 in Bragança, Portugal – November 7, 1687 in Amsterdam), was a Portuguese Jewish philosopher, physician and religious apologist.
Life
While still a child, he was taken to Seville by his parents, who were Marranos. He studied philosophy at Alcalá de Henares and became teacher o... |
https://en.wikipedia.org/wiki/Production%20system%20%28computer%20science%29 | A "production system" (or "production rule system") is a computer program typically used to provide some form of artificial intelligence, which consists primarily of a set of rules about behavior, but it also includes the mechanism necessary to follow those rules as the system responds to states of the world. Those rul... |
https://en.wikipedia.org/wiki/John%20Adelbert%20Parkhurst | John Adelbert Parkhurst (September 24, 1861 – March 1, 1925) was an American astronomer.
He was born in Dixon, Illinois, and attended the public schools in Marengo, IL and Wheaton College. He then attended Rose Polytechnic Institute in Terre Haute, Indiana, earning a B.Sc. in 1886. For the following two years he taugh... |
https://en.wikipedia.org/wiki/Ostrowski%20Prize | The Ostrowski Prize is a mathematics award given every odd year for outstanding mathematical achievement judged by an international jury from the universities of Basel, Jerusalem, Waterloo and the academies of Denmark and the Netherlands. Alexander Ostrowski, a longtime professor at the University of Basel, left his es... |
https://en.wikipedia.org/wiki/Hugh%20Felkin | Hugh Felkin (1922–2001) was a research chemist in France from 1950 to 1990 and a member of the Royal Society of Chemistry.
In 1967, he proposed a model to predict the stereochemical outcome of the addition of nucleophiles to carbonylic compounds. This model (now known as the Felkin-Anh model) differs slightly from Cra... |
https://en.wikipedia.org/wiki/Epson%20Robots | EPSON Robots is the robotics design and manufacturing department of Japanese corporation Seiko Epson, the brand-name watch and computer printer producer.
Epson started the production of robots in 1980. Epson manufactures Cartesian, SCARA and 6-axis industrial robots for factory automation. Cleanroom and ESD compliant... |
https://en.wikipedia.org/wiki/Robert%20C.%20Prim | Robert Clay Prim III (September 25, 1921 – November 18, 2021) was an American mathematician and computer scientist.
Biography
Robert Clay Prim III was born in Sweetwater, Texas on September 25, 1921. In 1941, Prim received his B.S. in Electrical Engineering from The University of Texas at Austin, where he also met his... |
https://en.wikipedia.org/wiki/Gaspar%20Schott | Gaspar Schott (German: Kaspar (or Caspar) Schott; Latin: Gaspar Schottus; 5 February 1608 – 22 May 1666) was a German Jesuit and scientist, specializing in the fields of physics, mathematics and natural philosophy, and known for his industry.
Biography
He was born at Bad Königshofen im Grabfeld. It is probable, but no... |
https://en.wikipedia.org/wiki/Stabilizer%20%28chemistry%29 | In industrial chemistry, a stabilizer or stabiliser is a chemical that is used to prevent degradation.
Overview
Heat and light stabilizers are added to plastics because they ensure safe processing and protect products against aging and weathering. The trend is towards fluid systems, pellets, and increased use of maste... |
https://en.wikipedia.org/wiki/Nanotechnology%20in%20fiction | The use of nanotechnology in fiction has attracted scholarly attention. The first use of the distinguishing concepts of nanotechnology was "There's Plenty of Room at the Bottom", a talk given by physicist Richard Feynman in 1959. K. Eric Drexler's 1986 book Engines of Creation introduced the general public to the conce... |
https://en.wikipedia.org/wiki/Lower%20convex%20envelope | In mathematics, the lower convex envelope of a function defined on an interval is defined at each point of the interval as the supremum of all convex functions that lie under that function, i.e.
See also
Convex hull
Lower envelope
Convex analysis |
https://en.wikipedia.org/wiki/List%20of%20Braunschweig%20University%20of%20Technology%20people | Among the people who have taught or studied at the Braunschweig University of Technology or its precursor, the Collegium Carolinum, are the following:
Natural sciences and mathematics
Ewald Banse — Geography
Ernst Otto Beckmann — Chemistry
August Wilhelm Heinrich Blasius — Zoology and Botany
Johann Heinrich Blasius — ... |
https://en.wikipedia.org/wiki/Peter%20Ward%20%28paleontologist%29 | Peter Douglas Ward (born May 12, 1949) is an American paleontologist and professor at the University of Washington, Seattle, and Sprigg Institute of Geobiology at the University of Adelaide. He has written numerous popular science works for a general audience and is also an adviser to the Microbes Mind Forum. In 2000, ... |
https://en.wikipedia.org/wiki/Regular%20singular%20point | In mathematics, in the theory of ordinary differential equations in the complex plane , the points of are classified into ordinary points, at which the equation's coefficients are analytic functions, and singular points, at which some coefficient has a singularity. Then amongst singular points, an important distinctio... |
https://en.wikipedia.org/wiki/Thanasis%20Papakonstantinou | Athanasios "Thanasis" Papakonstantinou (; born 26 April 1959) is a Greek singer-songwriter.
Short biography
He is married, with two children. Papakonstantinou studied mechanical engineering in Thessaloniki, which he practices as well as being a musician. After military service (all males are conscripted in Greece), he... |
https://en.wikipedia.org/wiki/Francesco%20Paolo%20Cantelli | Francesco Paolo Cantelli (20 December 187521 July 1966) was an Italian mathematician. He made contributions to celestial mechanics, probability theory, and actuarial science.
Biography
Cantelli was born in Palermo. He received his doctorate in mathematics in 1899 from the University of Palermo with a thesis on celest... |
https://en.wikipedia.org/wiki/Smoluchowski%20coagulation%20equation | In statistical physics, the Smoluchowski coagulation equation is a population balance equation introduced by Marian Smoluchowski in a seminal 1916 publication, describing the time evolution of the number density of particles as they coagulate (in this context "clumping together") to size x at time t.
Simultaneous coag... |
https://en.wikipedia.org/wiki/SkyMapper | SkyMapper is a fully automated 1.35 m (4.4 ft) wide-angle optical telescope at Siding Spring Observatory in northern New South Wales, Australia. It is one of the telescopes of the Research School of Astronomy and Astrophysics of the Australian National University (ANU). The telescope has a compact modified Cassegrain ... |
https://en.wikipedia.org/wiki/Camborne%20School%20of%20Mines | Camborne School of Mines (), commonly abbreviated to CSM, was founded in 1888. Its research and teaching is related to the understanding and management of the Earth's natural processes, resources and the environment. It has undergraduate, postgraduate and research degree programmes within the Earth resources, civil eng... |
https://en.wikipedia.org/wiki/Ultrahydrophobicity | In chemistry and materials science, ultrahydrophobic (or superhydrophobic) surfaces are highly hydrophobic, i.e., extremely difficult to wet. The contact angles of a water droplet on an ultrahydrophobic material exceed 150°. This is also referred to as the lotus effect, after the superhydrophobic leaves of the lotus pl... |
https://en.wikipedia.org/wiki/Alkylimino-de-oxo-bisubstitution | In organic chemistry, alkylimino-de-oxo-bisubstitution is the organic reaction of carbonyl compounds with amines to imines. The reaction name is based on the IUPAC Nomenclature for Transformations. The reaction is acid catalyzed and the reaction type is nucleophilic addition of the amine to the carbonyl compound follow... |
https://en.wikipedia.org/wiki/Pitching%20machine | A pitching machine is a machine that automatically pitches a baseball to a batter at different speeds and styles. Most machines are hand-fed, but there are some that automatically feed. There are multiple types of pitching machines; softball, baseball, youth, adult, and a combination of both softball and baseball.
His... |
https://en.wikipedia.org/wiki/Generator%20%28mathematics%29 | In mathematics and physics, the term generator or generating set may refer to any of a number of related concepts. The underlying concept in each case is that of a smaller set of objects, together with a set of operations that can be applied to it, that result in the creation of a larger collection of objects, called ... |
https://en.wikipedia.org/wiki/Integral%20symbol | The integral symbol:
is used to denote integrals and antiderivatives in mathematics, especially in calculus.
History
The notation was introduced by the German mathematician Gottfried Wilhelm Leibniz in 1675 in his private writings; it first appeared publicly in the article "" (On a hidden geometry and analysis of in... |
https://en.wikipedia.org/wiki/Selectable%20marker | A selectable marker is a gene introduced into a cell, especially a bacterium or to cells in culture, that confers a trait suitable for artificial selection. They are a type of reporter gene used in laboratory microbiology, molecular biology, and genetic engineering to indicate the success of a transfection or other pro... |
https://en.wikipedia.org/wiki/Tagma | Tagma (from Greek τάγμα "something which has been ordered or arranged"; plural tagmata) may refer to:
Tagma (biology), a grouping of segments, usually in arthropod anatomy
Tagma (military), a subdivision of the Byzantine army
Tagma (τάγμα), the Modern Greek term for an order (honour)
Moha Tagma (born 1954), Morocc... |
https://en.wikipedia.org/wiki/Tagma%20%28biology%29 | In biology, a tagma (Greek: τάγμα, : tagmata – τάγματα - body of soldiers; battalion) is a specialized grouping of multiple segments or metameres into a coherently functional morphological unit. Familiar examples are the head, the thorax, and the abdomen of insects. The segments within a tagma may be either fused (such... |
https://en.wikipedia.org/wiki/Methylisopropyltryptamine | N-Methyl-N-isopropyltryptamine (MiPT) is a psychedelic tryptamine, closely related to DMT, DiPT and Miprocin.
Chemistry
MiPT base, unlike many other tryptamines in their freebase form, does not decompose rapidly in the presence of light or oxygen.
In August 2019, Chadeayne et al. solved the crystal structure of MiPT ... |
https://en.wikipedia.org/wiki/Sonochemistry | 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. Therefore, the chemical effects of ultrasound do not come from a direct interaction of the ult... |
https://en.wikipedia.org/wiki/Rollin%20C.%20Richmond | Rollin Charles Richmond was the president of Humboldt State University in Arcata, California from May 2002 to July 2014. Before taking that position he was provost and genetics professor at Iowa State University, leading research on the genetic mechanisms of fruit flies evolution and effects of cocaine on Drosophila. H... |
https://en.wikipedia.org/wiki/Arthur%20Ashkin | Arthur Ashkin (September 2, 1922 – September 21, 2020) was an American scientist and Nobel laureate who worked at Bell Laboratories and Lucent Technologies. Ashkin has been considered by many as the father of optical tweezers,
for which he was awarded the Nobel Prize in Physics 2018 at age 96, becoming the oldest Nobel... |
https://en.wikipedia.org/wiki/PQS%20%28software%29 | PQS is a general purpose quantum chemistry program. Its roots go back to the first ab initio gradient program developed in Professor Peter Pulay's group but now it is developed and distributed commercially by Parallel Quantum Solutions. There is a reduction in cost for academic users and a site license. Its strong poin... |
https://en.wikipedia.org/wiki/Free%20Lie%20algebra | In mathematics, a free Lie algebra over a field K is a Lie algebra generated by a set X, without any imposed relations other than the defining relations of alternating K-bilinearity and the Jacobi identity.
Definition
The definition of the free Lie algebra generated by a set X is as follows:
Let X be a set and a m... |
https://en.wikipedia.org/wiki/Lawrence%20Paulson | Lawrence Charles Paulson (born 1955) is an American computer scientist. He is a Professor of Computational Logic at the University of Cambridge Computer Laboratory and a Fellow of Clare College, Cambridge.
Education
Paulson graduated from the California Institute of Technology in 1977, and obtained his PhD in Compute... |
https://en.wikipedia.org/wiki/Antonio%20Lazcano | Antonio Eusebio Lazcano Araujo Reyes (born 1950) is a Mexican biology researcher and professor of the School of Sciences at the National Autonomous University of Mexico in Mexico City. He has studied the origin and early evolution of life for more than 35 years.
Lazcano pursued his undergraduate and graduate studies... |
https://en.wikipedia.org/wiki/Bredt%27s%20rule | In organic chemistry, Bredt's rule is an empirical observation that states that a double bond cannot be placed at the bridgehead of a bridged ring system, unless the rings are large enough. The rule is named after Julius Bredt, who first discussed it in 1902 and codified it in 1924. It primarily relates to bridgehead... |
https://en.wikipedia.org/wiki/5-MeO-DPT | 5-MeO-DPT (also known as 5-methoxy-N,N-Dipropyltryptamine), is a psychedelic and entheogenic designer drug.
Chemistry
The full chemical name is N-[2-(5-methoxy-1H-indol-3-yl)ethyl]-N-propylpropan-1-amine. It is classified as a tryptamine derivative.
Effects
Little is known about the subjective effects of 5-MeO-DPT, b... |
https://en.wikipedia.org/wiki/Jacquelynn%20Berube | Jacquelynn Ann Berube (born December 9, 1971) is an American weightlifter who competed in the women's 58 kg at the 2005 World Championships in Doha, Qatar and reached the 7th spot with 198 kg in total.
Education
Berube obtained her bachelor's degree from the University of Wisconsin–La Crosse and her master's degree in... |
https://en.wikipedia.org/wiki/Gold%20cluster | Gold clusters in cluster chemistry can be either discrete molecules or larger colloidal particles. Both types are described as nanoparticles, with diameters of less than one micrometer. A nanocluster is a collective group made up of a specific number of atoms or molecules held together by some interaction mechanism. G... |
https://en.wikipedia.org/wiki/Anura | Anura may refer to:
Biology
Anura (frog), the order for frogs
Anura (plant), a genus of flowering plants in the daisy family
People
Anura is a common given name in Sri Lanka
Anura Bandaranaike (1949–2008), Sri Lankan politician
Anura Kumara Dissanayaka (born 1968), Sri Lankan politician
Anura Horatious, Sri Lank... |
https://en.wikipedia.org/wiki/Lola%20%28computing%29 | Lola is designed to be a simple hardware description language for describing synchronous, digital circuits. Niklaus Wirth developed the language to teach digital design on field-programmable gate arrays (FPGAs) to computer science students while a professor at ETH Zurich.
The purpose of Lola is to statically describe ... |
https://en.wikipedia.org/wiki/Edgar%20Buckingham | Edgar Buckingham (July 8, 1867 in Philadelphia, Pennsylvania – April 29, 1940 in Washington DC) was an American physicist.
He graduated from Harvard University with a bachelor's degree in physics in 1887. He did graduate work at Strasbourg and then studied under the chemist Wilhelm Ostwald at Leipzig, from which he wa... |
https://en.wikipedia.org/wiki/2%2C5-Dimethoxy-4-chloroamphetamine | 2,5-Dimethoxy-4-chloroamphetamine (DOC) is a psychedelic drug of the phenethylamine and amphetamine chemical classes. It was presumably first synthesized by Alexander Shulgin, and was described in his book PiHKAL (Phenethylamines i Have Known And Loved).
Chemistry
DOC is a substituted alpha-methylated phenethylamine... |
https://en.wikipedia.org/wiki/Proscaline | Proscaline (4-propoxy-3,5-dimethoxyphenethylamine or 4-propoxy-3,5-DMPEA) is a psychedelic and hallucinogenic drug. It has structural properties similar to the drugs mescaline, isoproscaline, and escaline. In PiHKAL, Alexander Shulgin reports that a dose of 30–60 mg produces effects lasting 8–12 hours.
Chemistry
Pro... |
https://en.wikipedia.org/wiki/Ore%20extension | In mathematics, especially in the area of algebra known as ring theory, an Ore extension, named after Øystein Ore, is a special type of a ring extension whose properties are relatively well understood. Elements of a Ore extension are called Ore polynomials.
Ore extensions appear in several natural contexts, including... |
https://en.wikipedia.org/wiki/Bounds-checking%20elimination | In computer science, bounds-checking elimination is a compiler optimization useful in programming languages or runtime systems that enforce bounds checking, the practice of checking every index into an array to verify that the index is within the defined valid range of indexes. Its goal is to detect which of these inde... |
https://en.wikipedia.org/wiki/Miguel%20Jos%C3%A9%20Yacam%C3%A1n | Miguel José Yacamán (born 1946 in Córdoba, Veracruz) is a Mexican physicist who has made contributions to the fields of materials science, nanotechnology, and physics.
His research has focused on the correlation of structure and properties in nanomaterials and he has developed electron microscopy methods to study nano... |
https://en.wikipedia.org/wiki/Johann%20Christian%20Ludwig%20Hellwig | Johann Christian Ludwig Hellwig (8 November 1743, in Garz/Rügen – 10 October 1831, in Braunschweig) was a German mathematician, entomologist and wargame designer.
Biography
After studies of mathematics and natural history at the university of Frankfurt, he became, in 1766, adviser to prince Wilhelm Adolf von Braunschw... |
https://en.wikipedia.org/wiki/Analytic%20manifold | In mathematics, an analytic manifold, also known as a manifold, is a differentiable manifold with analytic transition maps. The term usually refers to real analytic manifolds, although complex manifolds are also analytic. In algebraic geometry, analytic spaces are a generalization of analytic manifolds such that singu... |
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