id int64 39 79M | url stringlengths 32 168 | text stringlengths 7 145k | source stringlengths 2 105 | categories listlengths 1 6 | token_count int64 3 32.2k | subcategories listlengths 0 27 |
|---|---|---|---|---|---|---|
2,123,965 | https://en.wikipedia.org/wiki/Electrical%20wiring%20in%20Hong%20Kong | In Hong Kong, the main electrical wiring system used is BS 1363. In old buildings, the BS 546 system is also common.
Due to its proximity to mainland China, electrical products from there are present in Hong Kong, especially those as a result of cross-border purchase carried out by mainland Chinese immigrants. Neverth... | Electrical wiring in Hong Kong | [
"Physics",
"Engineering"
] | 536 | [
"Electrical standards",
"Electrical systems",
"Building engineering",
"Physical systems",
"Electrical engineering",
"Electrical wiring"
] |
2,124,555 | https://en.wikipedia.org/wiki/Reversible%20inhibition%20of%20sperm%20under%20guidance | Reversible inhibition of sperm under guidance (RISUG), formerly referred to as the synthetic polymer styrene maleic anhydride (SMA), is the development name of a male contraceptive injection developed at IIT Kharagpur in India by the team of Dr. Sujoy K. Guha.
RISUG has been patented in India, China, Bangladesh, and t... | Reversible inhibition of sperm under guidance | [
"Engineering",
"Biology"
] | 1,782 | [
"Biological engineering"
] |
2,125,904 | https://en.wikipedia.org/wiki/Cadarache | Cadarache is the largest technological research and development centre for energy in Europe. It includes the CEA research activities and ITER.
CEA Cadarache is one of the 10 research centres of the French Commission of Atomic and Alternative Energies.
Established in the French département Bouches-du-Rhône, close to t... | Cadarache | [
"Physics",
"Chemistry",
"Engineering"
] | 1,059 | [
"Nuclear research institutes",
"Nuclear organizations",
"Plasma physics",
"Fusion power",
"Nuclear fusion"
] |
2,127,679 | https://en.wikipedia.org/wiki/Number%20density | The number density (symbol: n or ρN) is an intensive quantity used to describe the degree of concentration of countable objects (particles, molecules, phonons, cells, galaxies, etc.) in physical space: three-dimensional volumetric number density, two-dimensional areal number density, or one-dimensional linear number de... | Number density | [
"Physics",
"Chemistry",
"Mathematics"
] | 774 | [
"Scalar physical quantities",
"Physical quantities",
"Quantity",
"Mass",
"Concentration",
"Density",
"Wikipedia categories named after physical quantities",
"Matter"
] |
2,127,941 | https://en.wikipedia.org/wiki/IEC%2061850 | IEC 61850 is an international standard defining communication protocols for intelligent electronic devices at electrical substations. It is a part of the International Electrotechnical Commission's (IEC) Technical Committee 57 reference architecture for electric power systems. The abstract data models defined in IEC 61... | IEC 61850 | [
"Physics",
"Technology",
"Engineering"
] | 1,184 | [
"Physical quantities",
"Computer standards",
"IEC standards",
"Power (physics)",
"Electric power",
"Electrical engineering"
] |
2,128,068 | https://en.wikipedia.org/wiki/Information%20flow%20%28information%20theory%29 | Information flow in an information theoretical context is the transfer of information from a variable to a variable in a given process. Not all flows may be desirable; for example, a system should not leak any confidential information (partially or not) to public observers—as it is a violation of privacy on an indivi... | Information flow (information theory) | [
"Mathematics",
"Technology",
"Engineering"
] | 1,966 | [
"Telecommunications engineering",
"Applied mathematics",
"Computer science",
"Information theory"
] |
2,128,410 | https://en.wikipedia.org/wiki/Delamination | Delamination is a mode of failure where a material fractures into layers. A variety of materials, including laminate composites and concrete, can fail by delamination. Processing can create layers in materials, such as steel formed by rolling and plastics and metals from 3D printing which can fail from layer separation... | Delamination | [
"Physics",
"Materials_science",
"Technology",
"Engineering"
] | 2,151 | [
"Structural engineering",
"Mechanical failure modes",
"Technological failures",
"Composite materials",
"Materials",
"Mechanical failure",
"Matter"
] |
2,129,346 | https://en.wikipedia.org/wiki/TILLING%20%28molecular%20biology%29 | TILLING (Targeting Induced Local Lesions in Genomes) is a method in molecular biology that allows directed identification of mutations in a specific gene. TILLING was introduced in 2000, using the model plant Arabidopsis thaliana, and expanded on into other uses and methodologies by a small group of scientists includin... | TILLING (molecular biology) | [
"Chemistry",
"Engineering",
"Biology"
] | 1,153 | [
"Biochemistry methods",
"Genetics techniques",
"Genetic engineering",
"Chemical tests",
"Biochemistry detection methods",
"Molecular biology",
"Biochemistry"
] |
2,129,591 | https://en.wikipedia.org/wiki/Inverse%20dynamics | Inverse dynamics is an inverse problem. It commonly refers to either inverse rigid body dynamics or inverse structural dynamics. Inverse rigid-body dynamics is a method for computing forces and/or moments of force (torques) based on the kinematics (motion) of a body and the body's inertial properties (mass and moment o... | Inverse dynamics | [
"Mathematics",
"Engineering",
"Biology"
] | 1,149 | [
"Behavior",
"Robotics engineering",
"Applied mathematics",
"Motor control",
"Robot control",
"Inverse problems"
] |
21,666,983 | https://en.wikipedia.org/wiki/Synchronous%20frame | A synchronous frame is a reference frame in which the time coordinate defines proper time for all co-moving observers. It is built by choosing some constant time hypersurface as an origin, such that has in every point a normal along the time line and a light cone with an apex in that point can be constructed; all inte... | Synchronous frame | [
"Physics",
"Astronomy",
"Mathematics"
] | 5,575 | [
"Astronomical sub-disciplines",
"Coordinate systems",
"Frames of reference",
"Theoretical physics",
"Classical mechanics",
"Astrophysics",
"General relativity",
"Theory of relativity",
"Coordinate charts in general relativity",
"Physical cosmology"
] |
21,668,293 | https://en.wikipedia.org/wiki/Gamma-Ray%20Burst%20Optical/Near-Infrared%20Detector | The Gamma-Ray Burst Optical/Near-Infrared Detector (GROND) is an imaging instrument used to investigate Gamma-Ray Burst afterglows and for doing follow-up observations on exoplanets using transit photometry. It is operated at the 2.2-metre MPG/ESO telescope at ESO's La Silla Observatory in the southern part of the Atac... | Gamma-Ray Burst Optical/Near-Infrared Detector | [
"Physics",
"Astronomy"
] | 270 | [
"Physical phenomena",
"Stellar phenomena",
"Astronomical events",
"Gamma-ray bursts"
] |
26,038,396 | https://en.wikipedia.org/wiki/Collision%20response | In the context of classical mechanics simulations and physics engines employed within video games, collision response deals with models and algorithms for simulating the changes in the motion of two solid bodies following collision and other forms of contact.
Rigid body contact
Two rigid bodies in unconstrained moti... | Collision response | [
"Physics",
"Engineering"
] | 2,084 | [
"Mechanics",
"Mechanical engineering"
] |
23,163,934 | https://en.wikipedia.org/wiki/Laminar%E2%80%93turbulent%20transition | In fluid dynamics, the process of a laminar flow becoming turbulent is known as laminar–turbulent transition. The main parameter characterizing transition is the Reynolds number.
Transition is often described as a process proceeding through a series of stages. Transitional flow can refer to transition in either direct... | Laminar–turbulent transition | [
"Physics",
"Chemistry",
"Engineering"
] | 1,868 | [
"Transport phenomena",
"Physical phenomena",
"Turbulence",
"Chemical engineering",
"Aerodynamics",
"Boundary layers",
"Aerospace engineering",
"Piping",
"Fluid dynamics"
] |
23,164,211 | https://en.wikipedia.org/wiki/Shading%20coefficient | Shading coefficient (SC) is a measure of thermal performance of a glass unit (panel or window) in a building.
It is the ratio of solar gain (due to direct sunlight) passing through a glass unit to the solar energy which passes through 3mm Clear Float Glass. It is an indicator of how well the glass is thermally insulat... | Shading coefficient | [
"Physics",
"Materials_science",
"Engineering"
] | 448 | [
"Glass engineering and science",
"Materials science",
"Glass architecture",
"Glass physics",
"Condensed matter physics"
] |
23,167,524 | https://en.wikipedia.org/wiki/Kreft%27s%20dichromaticity%20index | Kreft's dichromaticity index (DI) is a measure for quantification of dichromatism. It is defined as the difference in hue angle (Δhab) between the color of the sample at the dilution, where the chroma (color saturation) is maximal, and the color of four times more diluted (or thinner) and four times more concentrated (... | Kreft's dichromaticity index | [
"Physics",
"Chemistry",
"Mathematics"
] | 447 | [
"Applied and interdisciplinary physics",
"Spectrum (physical sciences)",
"Optics",
"Molecular physics",
"Instrumental analysis",
"Mathematical objects",
" molecular",
"Atomic",
"Index numbers",
"Spectroscopy",
"Numbers",
" and optical physics"
] |
5,324,019 | https://en.wikipedia.org/wiki/Grand%20potential | The grand potential or Landau potential or Landau free energy is a quantity used in statistical mechanics, especially for irreversible processes in open systems.
The grand potential is the characteristic state function for the grand canonical ensemble.
Definition
Grand potential is defined by
where U is the internal... | Grand potential | [
"Physics",
"Chemistry",
"Mathematics"
] | 544 | [
"Thermodynamics",
"Dynamical systems"
] |
5,324,495 | https://en.wikipedia.org/wiki/Mixed%20acid%20fermentation | In biochemistry, mixed acid fermentation is the metabolic process by which a six-carbon sugar (e.g. glucose, ) is converted into a complex and variable mixture of acids. It is an anaerobic (non-oxygen-requiring) fermentation reaction that is common in bacteria. It is characteristic for members of the Enterobacteriaceae... | Mixed acid fermentation | [
"Chemistry",
"Engineering",
"Biology"
] | 1,875 | [
"Cellular respiration",
"Biochemistry",
"Anaerobic digestion",
"Environmental engineering",
"Water technology",
"Fermentation"
] |
5,326,179 | https://en.wikipedia.org/wiki/Polhode | The details of a spinning body may impose restrictions on the motion of its angular velocity vector, . The curve produced by the angular velocity vector on the inertia ellipsoid, is known as the polhode, coined from Greek meaning "path of the pole". The surface created by the angular velocity vector is termed the body ... | Polhode | [
"Physics",
"Engineering"
] | 1,165 | [
"Mechanics",
"Mechanical engineering"
] |
5,329,800 | https://en.wikipedia.org/wiki/Circadian%20rhythm%20sleep%20disorder | Circadian rhythm sleep disorders (CRSD), also known as circadian rhythm sleep–wake disorders (CRSWD), are a family of sleep disorders that affect the timing of sleep. CRSDs cause a persistent pattern of sleep/wake disturbances that arise either by dysfunction in one's biological clock system, or by misalignment between... | Circadian rhythm sleep disorder | [
"Biology"
] | 2,955 | [
"Behavior",
"Sleep physiology",
"Circadian rhythm",
"Sleep disorders",
"Sleep"
] |
30,759,885 | https://en.wikipedia.org/wiki/TeraChem | TeraChem is a computational chemistry software program designed for CUDA-enabled Nvidia GPUs. The initial development started at the University of Illinois at Urbana-Champaign and was subsequently commercialized. It is currently distributed by PetaChem, LLC, located in Silicon Valley. As of 2020, the software package i... | TeraChem | [
"Physics",
"Chemistry"
] | 1,322 | [
"Quantum chemistry",
"Computational chemistry software",
"Chemistry software",
"Molecular physics",
"Quantum mechanics",
"Computational physics",
"Theoretical chemistry",
"Electronic structure methods",
"Computational chemistry",
"Molecular modelling"
] |
29,248,521 | https://en.wikipedia.org/wiki/C14H16O10 | {{DISPLAYTITLE:C14H16O10}}
The molecular formula C14H16O10 (molar mass: 344.27 g/mol, exact mass: 344.0743 u) may refer to:
Anthocyanone A, a degradation product of malvidin found in wine
Theogallin, a phenolic compound found in tea
Molecular formulas | C14H16O10 | [
"Physics",
"Chemistry"
] | 82 | [
"Molecules",
"Set index articles on molecular formulas",
"Isomerism",
"Molecular formulas",
"Matter"
] |
29,250,676 | https://en.wikipedia.org/wiki/Streptococcal%20pyrogenic%20exotoxin | Streptococcal pyrogenic exotoxins also known as erythrogenic toxins, are exotoxins secreted by strains of the bacterial species Streptococcus pyogenes. SpeA and speC are superantigens, which induce inflammation by nonspecifically activating T cells and stimulating the production of inflammatory cytokines. SpeB, the mos... | Streptococcal pyrogenic exotoxin | [
"Chemistry"
] | 1,520 | [
"Biomolecules by chemical classification",
"Proteins",
"Molecular biology"
] |
29,252,190 | https://en.wikipedia.org/wiki/Rescue%20fusion%20hybridization | Rescue fusion hybridization is a process used to manufacture some therapeutic cancer vaccines in which individual tumor cells obtained through biopsy are fused with an antibody-secreting cell to form a heterohybridoma. This cell then secretes the unique idiotype, or immunoglobulin antigen characteristic of the individu... | Rescue fusion hybridization | [
"Chemistry",
"Biology"
] | 106 | [
"Biochemistry",
"Biotechnology stubs",
"Chemical processes",
"Biochemistry stubs",
"nan",
"Chemical process engineering",
"Vaccination"
] |
29,260,402 | https://en.wikipedia.org/wiki/Toric%20code | The toric code is a topological quantum error correcting code, and an example of a stabilizer code, defined on a two-dimensional spin lattice. It is the simplest and most well studied of the quantum double models. It is also the simplest example of topological order—Z2 topological order
(first studied in the context of... | Toric code | [
"Physics",
"Chemistry",
"Materials_science",
"Technology",
"Engineering"
] | 2,555 | [
"Quantum phases",
"Reliability engineering",
"Phases of matter",
"Quantum mechanics",
"Computer systems",
"Materials science",
"Fault-tolerant computer systems",
"Condensed matter physics",
"Matter"
] |
29,262,224 | https://en.wikipedia.org/wiki/Periodic%20summation | In mathematics, any integrable function can be made into a periodic function with period P by summing the translations of the function by integer multiples of P. This is called periodic summation:
When is alternatively represented as a Fourier series, the Fourier coefficients are equal to the values of the contin... | Periodic summation | [
"Mathematics",
"Technology",
"Engineering"
] | 224 | [
"Mathematical analysis",
"Functions and mappings",
"Telecommunications engineering",
"Computer engineering",
"Signal processing",
"Mathematical objects",
"Mathematical relations"
] |
29,262,539 | https://en.wikipedia.org/wiki/Fold%20number | Fold number refers to how many double folds that are required to cause rupture of a paper test piece under standardized conditions. Fold number is defined in ISO 5626:1993 as the antilogarithm of the mean folding endurance:
where f is the fold number, Fi is the folding endurance for each test piece and n is total numb... | Fold number | [
"Materials_science",
"Engineering"
] | 228 | [
"Materials testing",
"Materials science"
] |
37,325,129 | https://en.wikipedia.org/wiki/Strontium%20oxalate | Strontium oxalate is a compound with the chemical formula . Strontium oxalate can exist either in a hydrated form () or as the acidic salt of strontium oxalate ().
Strontium oxalate is soluble in 20 000 parts of water; in 1 900 parts of 3.5% acetic acid, in 115 parts of the 23% acid, but less soluble in the 35% acid; r... | Strontium oxalate | [
"Chemistry"
] | 261 | [
"Inorganic compounds"
] |
37,325,306 | https://en.wikipedia.org/wiki/Manganese%28II%29%20phosphate | Manganese(II) phosphate is an inorganic compound with the chemical formula . It has industrial importance as a constituent of manganese based phosphate conversion coatings.
Formation
Manganese phosphates often combine with iron phosphates through paragenesis. In the process of paragenesis, each mineral affects the m... | Manganese(II) phosphate | [
"Chemistry"
] | 460 | [
"Phosphates",
"Salts"
] |
37,325,928 | https://en.wikipedia.org/wiki/HD%20154088 | HD 154088 is a seventh magnitude metal-rich K-type main sequence star that lies approximately 58 light-years away in the constellation of Ophiuchus. The star is orbited by a hot Super-Earth.
Properties
HD 154088 is a modestly bright star that lies at the bottom of Ophiuchus, near to the border with Scorpiu... | HD 154088 | [
"Astronomy"
] | 469 | [
"Ophiuchus",
"Constellations"
] |
33,273,473 | https://en.wikipedia.org/wiki/Nitrogen%20nutrition%20in%20the%20arbuscular%20mycorrhizal%20system | Nitrogen nutrition in the arbuscular mycorrhizal system refers to...
Role of nitrogen
Nitrogen is a vital macronutrient for plants, necessary for the biosynthesis of many basic cellular components, such as DNA, RNA and proteins. Nitrogen is obtained by plants through roots from inorganic or organic sources, such as am... | Nitrogen nutrition in the arbuscular mycorrhizal system | [
"Chemistry",
"Biology"
] | 1,466 | [
"Behavior",
"Symbiosis",
"Biological interactions",
"Mycology",
"Nitrogen cycle",
"Soil biology",
"Metabolism"
] |
33,278,970 | https://en.wikipedia.org/wiki/Linear%20transport%20theory | In mathematical physics Linear transport theory is the study of equations describing the migration of particles or energy within a host medium when such migration involves random absorption, emission and scattering events. Subject to certain simplifying assumptions, this is a common and useful framework for describing... | Linear transport theory | [
"Physics",
"Mathematics"
] | 192 | [
"Applied mathematics",
"Theoretical physics",
"Mathematical physics"
] |
43,028,598 | https://en.wikipedia.org/wiki/ULLtraDIMM | The ULLtraDIMM is a solid state storage device from SanDisk that connects flash storage directly onto the DDR3 memory bus. Unlike traditional PCIe Flash Storage devices, the ULLtraDIMM is plugged directly into an industry standard RDIMM memory bus slot in a server.
This design and connection location provides determin... | ULLtraDIMM | [
"Technology"
] | 343 | [
"Computer peripherals",
"Recording devices",
"Components",
"Computer storage devices"
] |
43,037,038 | https://en.wikipedia.org/wiki/Thaine%27s%20theorem | In mathematics, Thaine's theorem is an analogue of Stickelberger's theorem for real abelian fields, introduced by . Thaine's method has been used to shorten the proof of the Mazur–Wiles theorem , to prove that some Tate–Shafarevich groups are finite, and in the proof of Mihăilescu's theorem .
Formulation
Let and be ... | Thaine's theorem | [
"Mathematics"
] | 247 | [
"Theorems in algebraic number theory",
"Theorems in number theory"
] |
43,038,259 | https://en.wikipedia.org/wiki/Ohlson%20O-score | The Ohlson O-score for predicting bankruptcy is a multi-factor financial formula postulated in 1980 by Dr. James Ohlson of the New York University Stern Accounting Department as an alternative to the Altman Z-score for predicting financial distress.
Calculation of the O-score
The Ohlson O-Score is the result of a 9-fa... | Ohlson O-score | [
"Mathematics"
] | 468 | [
"Metrics",
"Applied mathematics",
"Quantity",
"Financial ratios",
"Mathematical finance"
] |
43,040,208 | https://en.wikipedia.org/wiki/Frequent%20subtree%20mining | In computer science, frequent subtree mining is the problem of finding all patterns in a given database whose support (a metric related to its number of occurrences in other subtrees) is over a given threshold. It is a more general form of the maximum agreement subtree problem.
Definition
Frequent subtree mining is t... | Frequent subtree mining | [
"Mathematics"
] | 1,589 | [
"Computational problems in graph theory",
"Computational mathematics",
"Graph theory",
"Computational problems",
"Mathematical relations",
"Mathematical problems"
] |
34,802,130 | https://en.wikipedia.org/wiki/Renato%20Zenobi | Renato Zenobi (born 1961 in Zurich) is a Swiss chemist. He is Professor of Chemistry at ETH Zurich. Throughout his career, Zenobi has contributed to the field of analytical chemistry.
Biography
Zenobi received his M.Sc. degree from ETH Zurich (Switzerland) in 1986 and a Ph.D. from Stanford University (United States) i... | Renato Zenobi | [
"Physics",
"Chemistry"
] | 1,639 | [
"Biochemists",
"Mass spectrometry",
"Spectrum (physical sciences)",
"Mass spectrometrists"
] |
34,802,592 | https://en.wikipedia.org/wiki/Siemens%20mercury%20unit | The Siemens mercury unit is an obsolete unit of electrical resistance. It was defined by Werner von Siemens in 1860 as the resistance of a mercury column with a length of one metre and uniform cross-section of held at a temperature of zero degrees Celsius. It is equivalent to approximately 0.953 ohm.
Glass tube cross... | Siemens mercury unit | [
"Physics",
"Mathematics"
] | 257 | [
"Electrical resistance and conductance",
"Obsolete units of measurement",
"Physical quantities",
"Quantity",
"Units of electrical resistance",
"Units of measurement"
] |
34,808,530 | https://en.wikipedia.org/wiki/Intravoxel%20incoherent%20motion | Intravoxel incoherent motion (IVIM) imaging is a concept and a method initially introduced and developed by Le Bihan et al. to quantitatively assess all the microscopic translational motions that could contribute to the signal acquired with diffusion MRI. In this model, biological tissue contains two distinct environme... | Intravoxel incoherent motion | [
"Chemistry"
] | 1,853 | [
"Nuclear magnetic resonance",
"Magnetic resonance imaging"
] |
34,808,927 | https://en.wikipedia.org/wiki/Bioproducts%20engineering | Bioproducts engineering or bioprocess engineering refers to engineering of bio-products from renewable bioresources. This pertains to the design and development of processes and technologies for the sustainable manufacture of bioproducts (materials, chemicals and energy) from renewable biological resources.
Bioproduct... | Bioproducts engineering | [
"Biology"
] | 842 | [
"nan",
"Biotechnology"
] |
34,811,905 | https://en.wikipedia.org/wiki/Verinice | Verinice is a free and open source information security management system (ISMS) application which can help in creating and maintaining systems for information and security management.
Verinice was written and is maintained primarily by a German company named SerNet Service Network GmbH.
Verinice is licensed under GN... | Verinice | [
"Engineering"
] | 238 | [
"Cybersecurity engineering",
"Data security"
] |
34,812,675 | https://en.wikipedia.org/wiki/Event%20structure | In mathematics and computer science, an event structure describes sequences of events that can be triggered by combinations of other events, with certain forbidden combinations of events. Different sources provide more or less flexible mathematical formalizations of the way events can be triggered and which combination... | Event structure | [
"Physics",
"Mathematics"
] | 443 | [
"Order theory",
"Domain theory"
] |
34,814,274 | https://en.wikipedia.org/wiki/Group%20I%20pyridoxal-dependent%20decarboxylases | In molecular biology, the group I pyridoxal-dependent decarboxylases, also known as glycine cleavage system P-proteins, are a family of enzymes consisting of glycine cleavage system P-proteins (glycine dehydrogenase (decarboxylating)) from bacterial, mammalian and plant sources. The P protein is part of the glycine de... | Group I pyridoxal-dependent decarboxylases | [
"Biology"
] | 270 | [
"Protein families",
"Protein classification"
] |
34,814,563 | https://en.wikipedia.org/wiki/Group%20II%20pyridoxal-dependent%20decarboxylases | In molecular biology, group II pyridoxal-dependent decarboxylases are a family of enzymes including aromatic-L-amino-acid decarboxylase (L-dopa decarboxylase or tryptophan decarboxylase) that catalyse the decarboxylation of tryptophan to tryptamine, tyrosine decarboxylase that converts tyrosine into tyramine and hist... | Group II pyridoxal-dependent decarboxylases | [
"Biology"
] | 232 | [
"Protein families",
"Protein classification"
] |
34,816,085 | https://en.wikipedia.org/wiki/Web%20%28differential%20geometry%29 | In mathematics, a web permits an intrinsic characterization in terms of Riemannian geometry of the additive separation of variables in the Hamilton–Jacobi equation.
Formal definition
An orthogonal web on a Riemannian manifold (M,g) is a set of n pairwise transversal and orthogonal foliations of connected submanifolds... | Web (differential geometry) | [
"Mathematics"
] | 480 | [
"Topological spaces",
"Topology",
"Manifolds",
"Space (mathematics)"
] |
40,100,778 | https://en.wikipedia.org/wiki/Software%20map | A software map represents static, dynamic, and evolutionary information of software systems and their software development processes by means of 2D or 3D map-oriented information visualization. It constitutes a fundamental concept and tool in software visualization, software analytics, and software diagnosis. Its prima... | Software map | [
"Mathematics",
"Technology",
"Engineering"
] | 1,617 | [
"Software testing",
"Metrics",
"Quantity",
"Computer occupations",
"Software metrics",
"Software engineering",
"Software maintenance",
"Software development"
] |
40,102,361 | https://en.wikipedia.org/wiki/Primecoin | Primecoin (Abbreviation: XPM) is a cryptocurrency that implements a proof-of-work system that searches for chains of prime numbers.
History
Primecoin was launched in 2013 by Sunny King, who also founded Peercoin.
Unlike other cryptocurrencies, which are mined using algorithms that solved mathematical problems with n... | Primecoin | [
"Mathematics"
] | 225 | [
"Prime numbers",
"Mathematical objects",
"Numbers",
"Number theory"
] |
40,104,795 | https://en.wikipedia.org/wiki/John%20A.%20Hartford%20Foundation | The John A. Hartford Foundation (JAHF or the Hartford Foundation) is a private United States–based philanthropy whose current mission is to improve the care of older adults. For many years, it made grants for research and education in geriatric medicine, nursing and social work. It now focuses on three priority areas: ... | John A. Hartford Foundation | [
"Engineering",
"Biology"
] | 3,079 | [
"Biotechnology organizations",
"Biomedical research foundations"
] |
3,962,591 | https://en.wikipedia.org/wiki/Experience%20modifier | In the insurance industry in the United States, an experience modifier or experience modification is an adjustment of an employer's premium for worker's compensation coverage based on the losses the insurer has experienced from that employer. An experience modifier of 1 would be applied for an employer that had demonst... | Experience modifier | [
"Mathematics"
] | 1,275 | [
"Applied mathematics",
"Actuarial science"
] |
3,963,004 | https://en.wikipedia.org/wiki/Knaster%E2%80%93Kuratowski%E2%80%93Mazurkiewicz%20lemma | The Knaster–Kuratowski–Mazurkiewicz lemma is a basic result in mathematical fixed-point theory published in 1929 by Knaster, Kuratowski and Mazurkiewicz.
The KKM lemma can be proved from Sperner's lemma and can be used to prove the Brouwer fixed-point theorem.
Statement
Let be an -dimensional simplex with n vertices... | Knaster–Kuratowski–Mazurkiewicz lemma | [
"Mathematics"
] | 1,839 | [
"Theorems in mathematical analysis",
"Mathematical analysis",
"Mathematical theorems",
"Fixed points (mathematics)",
"Fixed-point theorems",
"Theorems in topology",
"Topology",
"Mathematical problems",
"Lemmas",
"Dynamical systems"
] |
3,963,759 | https://en.wikipedia.org/wiki/Chen%20Chunxian | Chen Chunxian (; 1934 – 11 August 2004) was a Chinese theoretical physicist and businessman. He was the founder of Zhongguancun in Beijing, often called China's Silicon Valley. He initiated the project to create China's first tokamak device in 1973.
Biography
Chen Chunxian was born in 1934 in Sichuan Province, China.... | Chen Chunxian | [
"Physics"
] | 319 | [
"Theoretical physics",
"Theoretical physicists"
] |
3,967,296 | https://en.wikipedia.org/wiki/String%20diagram | String diagrams are a formal graphical language for representing morphisms in monoidal categories, or more generally 2-cells in 2-categories. They are a prominent tool in applied category theory. When interpreted in the monoidal category of vector spaces and linear maps with the tensor product, string diagrams are call... | String diagram | [
"Mathematics"
] | 2,609 | [
"Higher category theory",
"Monoidal categories",
"Mathematical structures",
"Category theory"
] |
35,933,786 | https://en.wikipedia.org/wiki/Flufenacet | Flufenacet is an oxyacetanilide herbicide applied before crops have emerged.
In the model plant Arabidopsis thaliana it causes similar symptoms to the fiddlehead mutant.
References
External links
Herbicides
Thiadiazoles
Trifluoromethyl compounds
Anilides
4-Fluorophenyl compounds | Flufenacet | [
"Biology"
] | 69 | [
"Herbicides",
"Biocides"
] |
35,933,915 | https://en.wikipedia.org/wiki/2-Methoxypropene | 2-Methoxypropene is an ether with the chemical formula C4H8O. It is a reagent used in organic synthesis to introduce a protecting group for alcohols, and the conversion diols to the acetonide group.
2-Methoxypropene can be prepared by the elimination of methanol from dimethoxypropane, or by the addition of methanol t... | 2-Methoxypropene | [
"Chemistry"
] | 109 | [
"Isopropenyl compounds",
"Functional groups",
"Reagents for organic chemistry"
] |
35,936,954 | https://en.wikipedia.org/wiki/Quantum%20cylindrical%20quadrupole | The quantum cylindrical quadrupole is a solution to the Schrödinger equation,
where is the reduced Planck constant, is the mass of the particle, is the imaginary unit and is time.
One peculiar potential that can be solved exactly is when the electric quadrupole moment is the dominant term of an infinitely long cy... | Quantum cylindrical quadrupole | [
"Physics"
] | 387 | [
"Quantum mechanics",
"Eponymous equations of physics",
"Equations of physics",
"Schrödinger equation"
] |
35,937,890 | https://en.wikipedia.org/wiki/Locally%20compact%20field | In algebra, a locally compact field is a topological field whose topology forms a locally compact Hausdorff space. These kinds of fields were originally introduced in p-adic analysis since the fields are locally compact topological spaces constructed from the norm on . The topology (and metric space structure) is ess... | Locally compact field | [
"Physics",
"Mathematics"
] | 484 | [
"Spacetime",
"Topology",
"Space",
"Geometry"
] |
35,938,255 | https://en.wikipedia.org/wiki/Linear%20topology | In algebra, a linear topology on a left -module is a topology on that is invariant under translations and admits a fundamental system of neighborhood of that consists of submodules of If there is such a topology, is said to be linearly topologized. If is given a discrete topology, then becomes a topological -mod... | Linear topology | [
"Physics",
"Mathematics"
] | 239 | [
"Algebra stubs",
"Topological groups",
"Space (mathematics)",
"Topological spaces",
"Fields of abstract algebra",
"Topology",
"Space",
"Geometry",
"Topological algebra",
"Spacetime",
"Algebra"
] |
35,939,958 | https://en.wikipedia.org/wiki/Paralytic%20peptides | Paralytic peptides are a family of short (23 amino acids) insect peptides that halt metamorphosis of insects from larvae to pupae. These peptides contain one disulphide bridge. The family includes growth-blocking peptide (GBP) of Mythimna separata (Oriental armyworm) and the paralytic peptides from Manduca sexta (tobac... | Paralytic peptides | [
"Chemistry",
"Biology"
] | 139 | [
"Biomolecules by chemical classification",
"Protein stubs",
"Toxins by chemical classification",
"Protein toxins",
"Protein classification",
"Biochemistry stubs",
"Molecular biology",
"Protein families",
"Peptides"
] |
31,733,633 | https://en.wikipedia.org/wiki/C3H3NO3 | {{DISPLAYTITLE:C3H3NO3}}
The molecular formula C3H3NO3 (molar mass: 101.061 g/mol) may refer to:
2,4-Oxazolidinedione
Glycine N-carboxyanhydride (2,5-Oxazolidinedione)
Molecular formulas | C3H3NO3 | [
"Physics",
"Chemistry"
] | 78 | [
"Molecules",
"Set index articles on molecular formulas",
"Isomerism",
"Molecular formulas",
"Matter"
] |
31,734,604 | https://en.wikipedia.org/wiki/Sorbinil | Sorbinil (INN) is an aldose reductase inhibitor being investigated for treatment of diabetic complications including neuropathy and retinopathy. Aldose reductase is an enzyme present in lens and brain that removes excess glucose by converting it to sorbitol. Sorbitol accumulation can lead to the development of cataract... | Sorbinil | [
"Chemistry"
] | 168 | [
"Organic compounds",
"Spiro compounds"
] |
31,735,884 | https://en.wikipedia.org/wiki/ZNF300 | Zinc finger protein 300 is a protein that in humans is encoded by the ZNF300 gene. The protein encoded by this gene is a C2H2-type zinc finger DNA binding protein and a likely transcription factor.
It is antisense to the human gene, C16orf71, indicating possibility of regulated alternative expression.
Clinical releva... | ZNF300 | [
"Chemistry",
"Biology"
] | 88 | [
"Induced stem cells",
"Gene expression",
"Transcription factors",
"Signal transduction"
] |
31,737,243 | https://en.wikipedia.org/wiki/Cyclotruncated%205-simplex%20honeycomb | In five-dimensional Euclidean geometry, the cyclotruncated 5-simplex honeycomb or cyclotruncated hexateric honeycomb is a space-filling tessellation (or honeycomb). It is composed of 5-simplex, truncated 5-simplex, and bitruncated 5-simplex facets in a ratio of 1:1:1.
Structure
Its vertex figure is an elongated 5-cell... | Cyclotruncated 5-simplex honeycomb | [
"Physics",
"Chemistry",
"Materials_science"
] | 392 | [
"Tessellation",
"Crystallography",
"Honeycombs (geometry)",
"Symmetry"
] |
31,737,675 | https://en.wikipedia.org/wiki/Omnitruncated%205-simplex%20honeycomb | In five-dimensional Euclidean geometry, the omnitruncated 5-simplex honeycomb or omnitruncated hexateric honeycomb is a space-filling tessellation (or honeycomb). It is composed entirely of omnitruncated 5-simplex facets.
The facets of all omnitruncated simplectic honeycombs are called permutahedra and can be positio... | Omnitruncated 5-simplex honeycomb | [
"Physics",
"Chemistry",
"Materials_science"
] | 445 | [
"Tessellation",
"Crystallography",
"Honeycombs (geometry)",
"Symmetry"
] |
31,738,070 | https://en.wikipedia.org/wiki/Omnitruncated%20simplicial%20honeycomb | In geometry an omnitruncated simplicial honeycomb or omnitruncated n-simplex honeycomb is an n-dimensional uniform tessellation, based on the symmetry of the affine Coxeter group. Each is composed of omnitruncated simplex facets. The vertex figure for each is an irregular n-simplex.
The facets of an omnitruncated sim... | Omnitruncated simplicial honeycomb | [
"Physics",
"Chemistry",
"Materials_science"
] | 474 | [
"Honeycombs (geometry)",
"Truncated tilings",
"Tessellation",
"Crystallography",
"Symmetry"
] |
24,645,298 | https://en.wikipedia.org/wiki/DnaN | dnaN is the gene that codes for the DNA clamp (also known as β sliding clamp) of DNA polymerase III in prokaryotes. The β clamp physically locks Pol III onto a DNA strand during replication to help increase its processivity. The eukaryotic equivalent to the β clamp is PCNA.
See also
Beta clamp
References
DNA repli... | DnaN | [
"Chemistry",
"Biology"
] | 78 | [
"DNA replication",
"Molecular genetics",
"Genetics techniques"
] |
24,645,636 | https://en.wikipedia.org/wiki/DNA%20polymerase%20III%20subunit%20gamma/tau | The τ and γ subunits are part of the DNA polymerase III holoenzyme of prokaryotes. The protein family is characterized by the well-conserved first N-terminal domain, approx. 365 amino acids. The eukaryotic equivalent to the DNA clamp loader is replication factor C, with the subunits RFC1, RFC2, RFC3, RFC4, and RFC5.
T... | DNA polymerase III subunit gamma/tau | [
"Chemistry",
"Biology"
] | 146 | [
"Genetics techniques",
"Protein classification",
"Molecular biology stubs",
"DNA replication",
"Molecular genetics",
"Molecular biology",
"Protein families"
] |
24,648,049 | https://en.wikipedia.org/wiki/Self-assembling%20peptide | Self-assembling peptides are a category of peptides which undergo spontaneous assembling into ordered nanostructures. Originally described in 1993, these designer peptides have attracted interest in the field of nanotechnology for their potential for application in areas such as biomedical nanotechnology, tissue cell c... | Self-assembling peptide | [
"Chemistry"
] | 4,303 | [
"Biomolecules by chemical classification",
"Peptides",
"nan",
"Molecular biology"
] |
26,049,975 | https://en.wikipedia.org/wiki/Kontsevich%20quantization%20formula | In mathematics, the Kontsevich quantization formula describes how to construct a generalized ★-product operator algebra from a given arbitrary finite-dimensional Poisson manifold. This operator algebra amounts to the deformation quantization of the corresponding Poisson algebra. It is due to Maxim Kontsevich.
Deformat... | Kontsevich quantization formula | [
"Physics"
] | 648 | [
"Mathematical quantization",
"Quantum mechanics"
] |
26,050,094 | https://en.wikipedia.org/wiki/Equivalent%20width | The equivalent width of a spectral line is a measure of the area of the line on a plot of intensity versus wavelength in relation to underlying continuum level. It is found by forming a rectangle with a height equal to that of continuum emission, and finding the width such that the area of the rectangle is equal to the... | Equivalent width | [
"Physics",
"Chemistry",
"Astronomy"
] | 524 | [
"Spectrum (physical sciences)",
"Emission spectroscopy",
"Astrochemistry",
"nan",
"Spectroscopy",
"Astronomical sub-disciplines"
] |
27,934,732 | https://en.wikipedia.org/wiki/Oak%20Ridge%20School%20of%20Reactor%20Technology | Oak Ridge School of Reactor Technology (ORSORT) was the successor of the school known locally as the Clinch College of Nuclear Knowledge, later shorten to Clinch College. ORSORT was authorized and financed by the U.S. government and founded in 1950 by Admiral Hyman G. Rickover and Alvin Weinberg. During its existence, ... | Oak Ridge School of Reactor Technology | [
"Physics"
] | 546 | [
"Nuclear technology",
"Nuclear physics"
] |
27,936,530 | https://en.wikipedia.org/wiki/Toilet%20paper%20orientation | Some toilet roll holders or dispensers allow the toilet paper to hang in front of (over) or behind (under) the roll when it is placed parallel to the wall. This divides opinions about which orientation is better. Arguments range from aesthetics, hospitality, ease of access, and cleanliness, to paper conservation, ease ... | Toilet paper orientation | [
"Physics",
"Mathematics"
] | 1,319 | [
"Topology",
"Space",
"Geometry",
"Spacetime",
"Orientation (geometry)"
] |
27,937,015 | https://en.wikipedia.org/wiki/Mixing%20angle | In particle physics and quantum mechanics, mixing angles are the angles between two sets of (complex-valued) orthogonal basis vectors, or states, usually the eigenbases of two quantum mechanical operators. The choice of angles (parameterization) is not unique but based on convention.
Mathematics
The relation between ... | Mixing angle | [
"Physics"
] | 288 | [
"Theoretical physics",
"Quantum mechanics",
"Particle physics",
"Particle physics stubs",
"Quantum physics stubs"
] |
27,942,297 | https://en.wikipedia.org/wiki/Intramolecular%20reactions%20of%20diazocarbonyl%20compounds | Intramolecular reactions of diazocarbonyl compounds include addition to carbon–carbon double bonds to form fused cyclopropanes and insertion into carbon–hydrogen bonds or carbon–carbon bonds.
Introduction
In the presence of an appropriate transition metal (typically copper or rhodium), α-diazocarbonyl compounds are co... | Intramolecular reactions of diazocarbonyl compounds | [
"Chemistry"
] | 1,641 | [
"Organic reactions"
] |
2,131,266 | https://en.wikipedia.org/wiki/Compressibility%20factor | In thermodynamics, the compressibility factor (Z), also known as the compression factor or the gas deviation factor, describes the deviation of a real gas from ideal gas behaviour. It is simply defined as the ratio of the molar volume of a gas to the molar volume of an ideal gas at the same temperature and pressure. I... | Compressibility factor | [
"Chemistry",
"Engineering"
] | 2,837 | [
"Chemical engineering",
"Chemical engineering thermodynamics",
"Gas laws"
] |
2,131,962 | https://en.wikipedia.org/wiki/Feshbach%20resonance | In physics, a Feshbach resonance can occur upon collision of two slow atoms, when they temporarily stick together forming an unstable compound with short lifetime (so-called resonance). It is a feature of many-body systems in which a bound state is achieved if the coupling(s) between at least one internal degree of fre... | Feshbach resonance | [
"Physics",
"Chemistry"
] | 1,313 | [
"Quantum mechanics",
"Atomic physics",
" molecular",
"Atomic",
" and optical physics"
] |
2,133,133 | https://en.wikipedia.org/wiki/Visible%20light%20communication | In telecommunications, visible light communication (VLC) is the use of visible light (light with a frequency of 400–800 THz/wavelength of 780–375 nm) as a transmission medium. VLC is a subset of optical wireless communications technologies.
The technology uses fluorescent lamps (ordinary lamps, not special communicati... | Visible light communication | [
"Physics",
"Technology",
"Engineering"
] | 2,764 | [
"Information and communications technology",
"Optical communications",
"Physical phenomena",
"Telecommunications engineering",
"Spectrum (physical sciences)",
"Electromagnetic spectrum",
"Telecommunications",
"Waves",
"Light"
] |
2,133,253 | https://en.wikipedia.org/wiki/Space%E2%80%93time%20trellis%20code | Space–time trellis codes (STTCs) are a type of space–time code used in multiple-antenna wireless communications. This scheme transmits multiple, redundant copies of a generalised TCM signal distributed over time and a number of antennas ('space'). These multiple, 'diverse' copies of the data are used by the receiver to... | Space–time trellis code | [
"Engineering"
] | 318 | [
"Wireless",
"Telecommunications engineering"
] |
2,133,279 | https://en.wikipedia.org/wiki/Space%E2%80%93time%20block%20code | Space–time block coding is a technique used in wireless communications to transmit multiple copies of a data stream across a number of antennas and to exploit the various received versions of the data to improve the reliability of data transfer. The fact that the transmitted signal must traverse a potentially difficult... | Space–time block code | [
"Engineering"
] | 2,320 | [
"Wireless",
"Telecommunications engineering"
] |
2,133,700 | https://en.wikipedia.org/wiki/Coulomb%20blockade | In mesoscopic physics, a Coulomb blockade (CB), named after Charles-Augustin de Coulomb's electrical force, is the decrease in electrical conductance at small bias voltages of a small electronic device comprising at least one low-capacitance tunnel junction. Because of the CB, the conductance of a device may not be con... | Coulomb blockade | [
"Physics",
"Materials_science"
] | 1,890 | [
"Quantum electronics",
"Quantum mechanics",
"Condensed matter physics",
"Nanoelectronics",
"Nanotechnology",
"Mesoscopic physics"
] |
41,543,593 | https://en.wikipedia.org/wiki/Gastrointestinal%20wall | The gastrointestinal wall of the gastrointestinal tract is made up of four layers of specialised tissue. From the inner cavity of the gut (the lumen) outwards, these are the mucosa, the submucosa, the muscular layer and the serosa or adventitia.
The mucosa is the innermost layer of the gastrointestinal tract. It surro... | Gastrointestinal wall | [
"Chemistry",
"Biology"
] | 2,297 | [
"Digestive system",
"Organ systems",
"Membrane biology",
"Molecular biology"
] |
41,546,457 | https://en.wikipedia.org/wiki/AC%20power%20plugs%20and%20sockets%3A%20British%20and%20related%20types | Plugs and sockets for electrical appliances not hardwired to mains electricity originated in the United Kingdom in the 1870s and were initially two-pin designs. These were usually sold as a mating pair, but gradually de facto and then official standards arose to enable the interchange of compatible devices. British sta... | AC power plugs and sockets: British and related types | [
"Physics",
"Engineering"
] | 12,212 | [
"Electrical standards",
"Electrical systems",
"Building engineering",
"Physical systems",
"Electrical engineering",
"Electrical wiring"
] |
41,551,965 | https://en.wikipedia.org/wiki/C16H26N2O4 | {{DISPLAYTITLE:C16H26N2O4}}
The molecular formula C16H26N2O4 (molar mass: 310.39 g/mol, exact mass: 310.1893 u) may refer to:
Cetamolol
Pamatolol
Molecular formulas | C16H26N2O4 | [
"Physics",
"Chemistry"
] | 64 | [
"Molecules",
"Set index articles on molecular formulas",
"Isomerism",
"Molecular formulas",
"Matter"
] |
30,764,139 | https://en.wikipedia.org/wiki/Affine%20plane | In geometry, an affine plane is a two-dimensional affine space.
Definitions
There are two ways to formally define affine planes, which are equivalent for affine planes over a field. The first way consists in defining an affine plane as a set on which a vector space of dimension two acts simply transitively. Intuitivel... | Affine plane | [
"Physics",
"Mathematics"
] | 498 | [
"Applied mathematics",
"Theoretical physics",
"Mathematical objects",
"Infinity",
"Planes (geometry)",
"Mathematical physics"
] |
30,766,907 | https://en.wikipedia.org/wiki/Reversible%20cellular%20automaton | A reversible cellular automaton is a cellular automaton in which every configuration has a unique predecessor. That is, it is a regular grid of cells, each containing a state drawn from a finite set of states, with a rule for updating all cells simultaneously based on the states of their neighbors, such that the previo... | Reversible cellular automaton | [
"Physics",
"Mathematics"
] | 8,676 | [
"Physical quantities",
"Time",
"Recreational mathematics",
"Reversible computing",
"Cellular automata",
"Spacetime"
] |
21,674,054 | https://en.wikipedia.org/wiki/FEE%20method | In mathematics, the FEE method, or fast E-function evaluation method, is the method of fast summation of series of a special form. It was constructed in 1990 by Ekaterina Karatsuba and is so-named because it makes fast computations of the Siegel -functions possible, in particular of .
A class of functions, which are "... | FEE method | [
"Mathematics"
] | 943 | [
"Pi algorithms",
"Computational mathematics",
"Mathematical relations",
"Numerical analysis",
"Pi",
"Approximations"
] |
21,676,935 | https://en.wikipedia.org/wiki/State%20space%20enumeration | In computer science, state space enumeration are methods that consider each reachable program state to determine whether a program satisfies a given property. As programs increase in size and complexity, the state space grows exponentially. The state space used by these methods can be reduced by maintaining only the pa... | State space enumeration | [
"Mathematics",
"Engineering"
] | 107 | [
"Software engineering",
"Mathematical logic",
"Logic in computer science",
"Formal methods"
] |
21,677,743 | https://en.wikipedia.org/wiki/Polytempo | The term polytempo or polytempic is used to describe music in which two or more tempi occur simultaneously.
In the Western world, the practice of polytempic music has its roots in the music theory of Henry Cowell, and the early practices of Charles Ives. Later on, composer Elliott Carter, in the fifties, began polymet... | Polytempo | [
"Physics"
] | 537 | [
"Spacetime",
"Rhythm and meter",
"Physical quantities",
"Time"
] |
37,333,575 | https://en.wikipedia.org/wiki/Bituminous%20limestone | Bituminous limestone is limestone impregnated and sometimes deeply colored with bituminous matter derived from the decomposition of animal and plant remains entombed within the mass or in its vicinity.
Uses
The amount of bituminous matter or asphalt in the pores of the rock is sometimes sufficient to permit the materi... | Bituminous limestone | [
"Chemistry"
] | 154 | [
"Asphalt",
"Bitumen-impregnated rocks"
] |
37,338,762 | https://en.wikipedia.org/wiki/Mathematical%20physiology | Mathematical physiology is an interdisciplinary science. Primarily, it investigates ways in which mathematics may be used to give insight into physiological questions. In turn, it also describes how physiological questions can lead to new mathematical problems. The field may be broadly grouped into two physiological ap... | Mathematical physiology | [
"Mathematics",
"Biology"
] | 95 | [
"Physiology",
"Mathematical and theoretical biology",
"Applied mathematics",
"Applied mathematics stubs",
"Systems biology"
] |
37,338,879 | https://en.wikipedia.org/wiki/Thick-skinned%20deformation | Thick-skinned deformation is a geological term which refers to crustal shortening that involves basement rocks and deep-seated faults as opposed to only the upper units of cover rocks above the basement which is known as thin-skinned deformation. While thin-skinned deformation is common in many different localities, th... | Thick-skinned deformation | [
"Materials_science",
"Engineering"
] | 875 | [
"Deformation (mechanics)",
"Materials science"
] |
37,339,579 | https://en.wikipedia.org/wiki/C20H23N3O2 | {{DISPLAYTITLE:C20H23N3O2}}
The molecular formula C20H23N3O2 (molar mass: 337.41 g/mol, exact mass: 337.1790 u) may refer to:
LSM-775, or N-Morpholinyllysergamide
E-52862, or S1RA | C20H23N3O2 | [
"Chemistry"
] | 81 | [
"Isomerism",
"Set index articles on molecular formulas"
] |
37,339,934 | https://en.wikipedia.org/wiki/Pasteurella%20virus%20F108 | Pasteurella virus F108 is a temperate bacteriophage (a virus that infects bacteria) of the family Myoviridae, genus Hpunavirus. Its morphology is complex, with hexagonal head and a long contractile tail.
References
Myoviridae | Pasteurella virus F108 | [
"Biology"
] | 61 | [
"Virus stubs",
"Viruses"
] |
37,340,338 | https://en.wikipedia.org/wiki/Mu%20to%20E%20Gamma | The Mu to E Gamma (MEG) is a particle physics experiment dedicated to measuring the decay of the muon into an electron and a photon, a decay mode which is heavily suppressed in the Standard Model by lepton flavour conservation, but enhanced in supersymmetry and grand unified theories. It is located at the Paul Scherrer... | Mu to E Gamma | [
"Physics"
] | 299 | [
"Particle physics stubs",
"Particle physics"
] |
37,342,010 | https://en.wikipedia.org/wiki/Canon%20arithmeticus | The Canon arithmeticus is a set of mathematical tables of indices and powers with respect to primitive roots for prime powers less than 1000, originally published by . The tables were at one time used for arithmetical calculations modulo prime powers, though like many mathematical tables, they have now been replaced by... | Canon arithmeticus | [
"Mathematics"
] | 270 | [
"Arithmetic",
"Mathematical tables",
"Modular arithmetic",
"Number theory"
] |
23,169,183 | https://en.wikipedia.org/wiki/Connected%20ring | In mathematics, especially in the field of commutative algebra, a connected ring is a commutative ring A that satisfies one of the following equivalent conditions:
A possesses no non-trivial (that is, not equal to 1 or 0) idempotent elements;
the spectrum of A with the Zariski topology is a connected space.
Examples... | Connected ring | [
"Mathematics"
] | 177 | [
"Fields of abstract algebra",
"Commutative algebra",
"Ring theory"
] |
23,169,189 | https://en.wikipedia.org/wiki/Irreducible%20ring | In mathematics, especially in the field of ring theory, the term irreducible ring is used in a few different ways.
A (meet-)irreducible ring is a ring in which the intersection of two non-zero ideals is always non-zero.
A directly irreducible ring is a ring which cannot be written as the direct sum of two non-zero r... | Irreducible ring | [
"Mathematics"
] | 825 | [
"Fields of abstract algebra",
"Commutative algebra",
"Ring theory"
] |
23,172,405 | https://en.wikipedia.org/wiki/HD%2073267 | HD 73267 is a star in the southern constellation Pyxis, near the western constellation border with Puppis. It has an apparent visual magnitude of 8.889 and can be viewed with a small telescope. The distance to HD 73267 is 164 light years based on parallax, and it is drifting further away with a radial velocity of +51.8... | HD 73267 | [
"Astronomy"
] | 336 | [
"Pyxis",
"Constellations"
] |
23,173,874 | https://en.wikipedia.org/wiki/Vienna%20rectifier | The Vienna Rectifier is a pulse-width modulation rectifier, invented in 1993 by Johann W. Kolar at TU Wien, a public research university in Vienna, Austria.
Features
The Vienna Rectifier provides the following features:
Three-phase three-level three-switch PWM rectifier with controlled output voltage
Three-wire inp... | Vienna rectifier | [
"Engineering"
] | 770 | [
"Electronic engineering",
"Electronic circuits",
"Power electronics"
] |
23,174,224 | https://en.wikipedia.org/wiki/Kernighan%E2%80%93Lin%20algorithm | The Kernighan–Lin algorithm is a heuristic algorithm for finding partitions of graphs.
The algorithm has important practical application in the layout of digital circuits and components in electronic design automation of VLSI.
Description
The input to the algorithm is an undirected graph with vertex set , edge set , ... | Kernighan–Lin algorithm | [
"Mathematics"
] | 645 | [
"Combinatorial algorithms",
"Computational mathematics",
"Combinatorics"
] |
23,175,578 | https://en.wikipedia.org/wiki/Brevianamide | Brevianamides are indole alkaloids that belong to a class of naturally occurring 2,5-diketopiperazines produced as secondary metabolites of fungi in the genus Penicillium and Aspergillus. Structurally similar to paraherquamides, they are a small class compounds that contain a bicyclo[2.2.2]diazoctane ring system. One... | Brevianamide | [
"Chemistry"
] | 525 | [
"Indole alkaloids",
"Ketones",
"Functional groups",
"Organic compounds",
"Alkaloids by chemical classification",
"Chemical synthesis",
"Total synthesis",
"Spiro compounds"
] |
29,264,509 | https://en.wikipedia.org/wiki/Green%20rust | Green rust is a generic name for various green crystalline chemical compounds containing iron(II) and iron(III) cations, the hydroxide () anion, and another anion such as carbonate (), chloride (), or sulfate (), in a layered double hydroxide (LDH) structure. The most studied varieties are the following:
carbonate gr... | Green rust | [
"Chemistry",
"Materials_science"
] | 1,584 | [
"Redox",
"Metallurgy",
"Corrosion",
"Electrochemistry",
"nan",
"Materials degradation"
] |
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