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 |
|---|---|---|---|---|---|---|
44,308,703 | https://en.wikipedia.org/wiki/Flajolet%E2%80%93Martin%20algorithm | The Flajolet–Martin algorithm is an algorithm for approximating the number of distinct elements in a stream with a single pass and space-consumption logarithmic in the maximal number of possible distinct elements in the stream (the count-distinct problem). The algorithm was introduced by Philippe Flajolet and G. Nigel ... | Flajolet–Martin algorithm | [
"Mathematics"
] | 795 | [
"Applied mathematics",
"Algorithms",
"Mathematical logic"
] |
44,309,864 | https://en.wikipedia.org/wiki/Fluid%20flow%20through%20porous%20media | In fluid mechanics, fluid flow through porous media is the manner in which fluids behave when flowing through a porous medium, for example sponge or wood, or when filtering water using sand or another porous material. As commonly observed, some fluid flows through the media while some mass of the fluid is stored in the... | Fluid flow through porous media | [
"Physics",
"Chemistry",
"Engineering",
"Environmental_science"
] | 927 | [
"Hydrology",
"Applied and interdisciplinary physics",
"Soil mechanics",
"Civil engineering",
"Environmental engineering",
"Fluid mechanics"
] |
44,309,873 | https://en.wikipedia.org/wiki/Computational%20Fluid%20Dynamics%20for%20Phase%20Change%20Materials | Computational Fluid Dynamics (CFD) modeling and simulation for phase change materials (PCMs) is a technique used to analyze the performance and behavior of PCMs. The CFD models have been successful in studying and analyzing the air quality, natural ventilation and stratified ventilation, air flow initiated by buoyancy ... | Computational Fluid Dynamics for Phase Change Materials | [
"Physics",
"Chemistry"
] | 1,915 | [
"Physical phenomena",
"Phase transitions",
"Computational fluid dynamics",
"Phases of matter",
"Critical phenomena",
"Computational physics",
"Statistical mechanics",
"Matter",
"Fluid dynamics"
] |
44,315,733 | https://en.wikipedia.org/wiki/Dry%20mortar%20production%20line | Dry mortar production line (or dry mortar machine) is a set of machinery that produces dry mortar (also known as dry premixed mortar or hydraulicity cement mortar) for construction industry and other uses. It is mainly composed of elevator, premix bin, stock bin, mixing engine, finished product warehouse, automatic pac... | Dry mortar production line | [
"Physics",
"Engineering"
] | 398 | [
"Masonry",
"Building engineering",
"Manufacturing",
"Construction",
"Materials",
"Building materials",
"Mechanical engineering",
"Matter",
"Architecture"
] |
44,317,435 | https://en.wikipedia.org/wiki/Industrial%20and%20Mining%20Water%20Research%20Unit | The Industrial and Mining Water Research Unit (abbreviated IMWaRU) is one of several research entities based in the School of Chemical and Metallurgical Engineering at the University of the Witwatersrand, Johannesburg. It provides research as well as supervision to masters and doctorate students within the University,... | Industrial and Mining Water Research Unit | [
"Chemistry",
"Engineering"
] | 1,114 | [
"Chemical engineering",
"Chemical engineering organizations"
] |
44,317,529 | https://en.wikipedia.org/wiki/Laminar%20flamelet%20model | The laminar flamelet model is a mathematical method for modelling turbulent combustion. The laminar flamelet model is formulated specifically as a model for non-premixed combustion
The concept of ensemble of laminar flamelets was first introduced by Forman A. Williams in 1975, while the theoretical foundation was de... | Laminar flamelet model | [
"Chemistry",
"Engineering"
] | 753 | [
"Combustion",
"Combustion engineering",
"Industrial engineering"
] |
47,401,261 | https://en.wikipedia.org/wiki/Nitrogen%20dioxide%20poisoning | Nitrogen dioxide poisoning is the illness resulting from the toxic effect of nitrogen dioxide (). It usually occurs after the inhalation of the gas beyond the threshold limit value.
Nitrogen dioxide is reddish-brown with a very harsh smell at high concentrations, at lower concentrations it is colorless but may still ha... | Nitrogen dioxide poisoning | [
"Physics",
"Chemistry",
"Biology",
"Environmental_science"
] | 3,440 | [
"Visibility",
"Gases",
"Toxicology",
"Physical quantities",
"Inorganic compounds",
"Smog",
"Phases of matter",
"Free radicals",
"Inorganic nitrogen compounds",
"Senescence",
"Biomolecules",
"Toxic effects of substances chiefly nonmedicinal as to source",
"Statistical mechanics",
"Matter"
] |
61,929,977 | https://en.wikipedia.org/wiki/B%C3%BClent%20%C5%9E%C4%B1k | Bülent Şık is a Turkish food engineer, environmental and human rights activist and a whistleblower. He was convicted after disclosing the results from a government study on environmental pollution and carcinogens.
Early life and education
Career
Şık has worked at Akdeniz University in Antalya, where he was a deputy d... | Bülent Şık | [
"Engineering"
] | 449 | [
"Food engineers",
"Food engineering"
] |
61,934,142 | https://en.wikipedia.org/wiki/PCB%20reverse%20engineering | Reverse engineering of printed circuit boards (sometimes called “cloning”, or PCB RE) is the process of generating fabrication and design data for an existing circuit board, either closely or exactly replicating its functionality.
Obtaining circuit board design data is not by necessity malicious or aimed at intellectu... | PCB reverse engineering | [
"Engineering"
] | 2,391 | [
"Electrical engineering",
"Electronic engineering",
"Reverse engineering",
"Printed circuit board manufacturing"
] |
61,934,716 | https://en.wikipedia.org/wiki/AC%2020-152 | The Advisory Circular AC 20-152A, Development Assurance for Airborne Electronic Hardware, identifies the RTCA-published standard DO-254 as defining "an acceptable means, but not the only means" to secure FAA approval of electronic hardware for use within the airspace subject to FAA authority. With the 2022 release of R... | AC 20-152 | [
"Technology",
"Engineering"
] | 678 | [
"Software requirements",
"Computer standards",
"Avionics",
"Software engineering",
"Aircraft instruments"
] |
55,940,145 | https://en.wikipedia.org/wiki/Climate%20restoration | Climate restoration is the climate change goal and associated actions to restore to levels humans have actually survived long-term, below 300 ppm. This would restore the Earth system generally to a safe state, for the well-being of future generations of humanity and nature. Actions include carbon dioxide removal from... | Climate restoration | [
"Chemistry",
"Engineering"
] | 1,881 | [
"Planetary engineering",
"Geoengineering",
"Ecological restoration",
"Environmental engineering"
] |
55,940,397 | https://en.wikipedia.org/wiki/International%20Energy%20Agency%20Energy%20in%20Buildings%20and%20Communities%20Programme | The International Energy Agency Energy in Buildings and Communities (IEA EBC) Programme, formerly known as the Energy in Buildings and Community Systems Programme (ECBCS), is one of the International Energy Agency's Technology Collaboration Programmes (TCPs). The Programme "carries out research and development activiti... | International Energy Agency Energy in Buildings and Communities Programme | [
"Engineering",
"Environmental_science"
] | 2,141 | [
"International energy organizations",
"Environmental social science",
"Energy organizations",
"Energy policy"
] |
65,745,718 | https://en.wikipedia.org/wiki/Peptidoglycan%20recognition%20protein%203 | Peptidoglycan recognition protein 3 (PGLYRP3, formerly PGRP-Iα) is an antibacterial and anti-inflammatory innate immunity protein that in humans is encoded by the PGLYRP3 gene.
Discovery
PGLYRP3 (formerly PGRP-Iα), a member of a family of human Peptidoglycan Recognition Proteins (PGRPs), was discovered in 2001 by Rom... | Peptidoglycan recognition protein 3 | [
"Chemistry"
] | 2,292 | [
"Biomolecules by chemical classification",
"Proteins",
"Molecular biology"
] |
65,756,949 | https://en.wikipedia.org/wiki/GSK1702934A | GSK1702934A is a chemical compound which acts as an activator of the TRPC family of calcium channels, with selectivity for the TRPC3 and TRPC6 subtypes. It has been used to investigate the role of TRPC channels in heart function and regulation of blood pressure, as well as roles in the brain.
References
Ion channel ... | GSK1702934A | [
"Chemistry"
] | 93 | [
"Ketones",
"Functional groups"
] |
42,868,663 | https://en.wikipedia.org/wiki/Piston-cylinder%20apparatus | The piston-cylinder apparatus is a solid media device, used in Geosciences and Material Sciences, for generating simultaneously high pressure (up to 6 GPa) and temperature (up to 1700 °C). Modifications of the normal set-up can push these limits to even higher pressures and temperatures. A particular type of piston-cyl... | Piston-cylinder apparatus | [
"Physics",
"Chemistry",
"Engineering"
] | 1,750 | [
"Engineering thermodynamics",
"Thermodynamics",
"Mechanical engineering"
] |
42,869,086 | https://en.wikipedia.org/wiki/Macy%20catheter | The Macy Catheter is a specialized catheter designed to provide comfortable and discreet administration of ongoing medications via the rectal route. The catheter was developed to make rectal access more practical and provide a way to deliver and retain liquid formulations in the distal rectum so that health practitione... | Macy catheter | [
"Chemistry"
] | 1,348 | [
"Pharmacology",
"Routes of administration"
] |
42,870,384 | https://en.wikipedia.org/wiki/CGView | CGView (Circular Genome Viewer) is a freely available downloadable Java software program, applet and API (application programming interface) for generating colorful, zoomable, hyperlinked, richly annotated images of circular genomes such as bacterial chromosomes, mitochondrial DNA and plasmids. It is commonly used in b... | CGView | [
"Biology"
] | 383 | [
"Bioinformatics",
"Biological databases"
] |
41,441,485 | https://en.wikipedia.org/wiki/Operational%20modal%20analysis | Ambient modal identification, also known as operational modal analysis (OMA), aims at identifying the modal properties of a structure based on vibration data collected when the structure is under its operating conditions, i.e., no initial excitation or known artificial excitation. The modal properties of a structure in... | Operational modal analysis | [
"Physics"
] | 897 | [
"Wave mechanics",
"Waves",
"Physical phenomena",
"Classical mechanics"
] |
41,442,019 | https://en.wikipedia.org/wiki/Bayesian%20operational%20modal%20analysis | Bayesian operational modal analysis (BAYOMA) adopts a Bayesian system identification approach for operational modal analysis (OMA). Operational modal analysis aims at identifying the modal properties (natural frequencies, damping ratios, mode shapes, etc.) of a constructed structure using only its (output) vibration re... | Bayesian operational modal analysis | [
"Physics"
] | 1,005 | [
"Waves",
"Wave mechanics",
"Physical phenomena",
"Classical mechanics"
] |
41,442,860 | https://en.wikipedia.org/wiki/Benzoxazinone%20biosynthesis | The biosynthesis of benzoxazinone, a cyclic hydroxamate and a natural insecticide, has been well-characterized in maize and related grass species. In maize, genes in the pathway are named using the symbol bx. Maize Bx-genes are tightly linked, a feature that has been considered uncommon for plant genes of a biosyntheti... | Benzoxazinone biosynthesis | [
"Chemistry",
"Biology"
] | 348 | [
"Genetics",
"Biosynthesis",
"nan",
"Chemical synthesis",
"Biochemistry",
"Metabolism"
] |
41,443,677 | https://en.wikipedia.org/wiki/Poly%28ethylene%20adipate%29 | Poly(ethylene adipate) or PEA is an aliphatic polyester. It is most commonly synthesized from a polycondensation reaction between ethylene glycol and adipic acid. PEA has been studied as it is biodegradable through a variety of mechanisms and also fairly inexpensive compared to other polymers. Its lower molecular weigh... | Poly(ethylene adipate) | [
"Chemistry",
"Materials_science"
] | 2,063 | [
"Polymers",
"Polymer chemistry"
] |
41,449,061 | https://en.wikipedia.org/wiki/Bose%E2%80%93Einstein%20condensation%20of%20quasiparticles | Bose–Einstein condensation can occur in quasiparticles, particles that are effective descriptions of collective excitations in materials. Some have integer spins and can be expected to obey Bose–Einstein statistics like traditional particles. Conditions for condensation of various quasiparticles have been predicted a... | Bose–Einstein condensation of quasiparticles | [
"Physics",
"Chemistry",
"Materials_science"
] | 1,407 | [
"Bose–Einstein condensates",
"Phases of matter",
"Subatomic particles",
"Condensed matter physics",
"Quasiparticles",
"Matter"
] |
41,452,537 | https://en.wikipedia.org/wiki/A%20Slower%20Speed%20of%20Light | A Slower Speed of Light is a freeware video game developed by MIT Game Lab that demonstrates the effects of special relativity by gradually slowing down the speed of light to a walking pace. The game runs on the Unity engine using its open-source OpenRelativity toolkit.
Gameplay
In A Slower Speed of Light, the player... | A Slower Speed of Light | [
"Physics"
] | 572 | [
"Special relativity",
"Theory of relativity"
] |
53,046,273 | https://en.wikipedia.org/wiki/Continuing%20airworthiness%20management%20organization | Continuing airworthiness management organisation (CAMO) is a civil aviation organization authorized to schedule and control continuing airworthiness activities on aircraft and their parts
The scope of the CAMO is to organise and manage all documents and publications for Maintenance Organizations Part 145 and Part M ap... | Continuing airworthiness management organization | [
"Engineering"
] | 384 | [
"Aircraft maintenance",
"Aerospace engineering"
] |
53,046,631 | https://en.wikipedia.org/wiki/Multilinear%20multiplication | In multilinear algebra, applying a map that is the tensor product of linear maps to a tensor is called a multilinear multiplication.
Abstract definition
Let be a field of characteristic zero, such as or .
Let be a finite-dimensional vector space over , and let be an order-d simple tensor, i.e., there exist some v... | Multilinear multiplication | [
"Engineering"
] | 735 | [
"Tensors"
] |
70,105,931 | https://en.wikipedia.org/wiki/Cole%E2%80%93Davidson%20equation | The Cole-Davidson equation is a model used to describe dielectric relaxation in glass-forming liquids. The equation for the complex permittivity is
where is the permittivity at the high frequency limit, where is the static, low frequency permittivity, and is the characteristic relaxation time of the medium. The ex... | Cole–Davidson equation | [
"Physics",
"Chemistry",
"Materials_science",
"Mathematics",
"Engineering"
] | 265 | [
"Glass",
"Unsolved problems in physics",
"Phases of matter",
"Electric and magnetic fields in matter",
"Mathematical objects",
"Homogeneous chemical mixtures",
"Equations",
"Materials science",
"Condensed matter physics",
"Amorphous solids",
"Matter",
"Liquids"
] |
49,162,954 | https://en.wikipedia.org/wiki/Quick%20return%20mechanism | A quick return mechanism is an apparatus to produce a reciprocating motion in which the time taken for travel in return stroke is less than in the forward stroke. It is driven by a circular motion source (typically a motor of some sort) and uses a system of links with three turning pairs and a sliding pair. A quick-ret... | Quick return mechanism | [
"Physics",
"Engineering"
] | 1,061 | [
"Mechanical power transmission",
"Mechanics",
"Mechanical engineering",
"Mechanisms (engineering)"
] |
49,167,470 | https://en.wikipedia.org/wiki/Match%20Analysis | Match Analysis is a US company with headquarters in Emeryville, California. The company employs 70 staff in their offices and data collection facilities in California and Mexico City, Mexico.
The company provides video analysis tools and digital library archiving services supplying performance and physical tracking da... | Match Analysis | [
"Physics",
"Technology"
] | 582 | [
"Physical phenomena",
"Wireless locating",
"Tracking",
"Motion (physics)",
"Motion in computer vision"
] |
49,172,235 | https://en.wikipedia.org/wiki/Camp%20Thomas%20A.%20Scott | Camp Thomas A. Scott, located in Fort Wayne, Indiana, was a Railway Operating Battalion training center for the Pennsylvania Railroad from 1942 to 1944 and a prisoner of war camp during World War II. It was named for Thomas A. Scott, who served as the fourth president of the Pennsylvania Railroad from 1874 to 1880. ... | Camp Thomas A. Scott | [
"Chemistry",
"Engineering",
"Biology"
] | 615 | [
"Bioremediation",
"Constructed wetlands",
"Environmental engineering"
] |
68,611,033 | https://en.wikipedia.org/wiki/James%20Marrow | Thomas James Marrow (born 23 November 1966) is a British scientist who is a professor of nuclear materials at the University of Oxford and holds the James Martin Chair in Energy Materials. He specialises in physical metallurgy, micromechanics, and X-ray crystallography of engineering materials, mainly ceramic matrix co... | James Marrow | [
"Chemistry",
"Materials_science"
] | 727 | [
"Metallurgists",
"Metallurgy"
] |
68,611,074 | https://en.wikipedia.org/wiki/Joe%20Murphy%20%28contractor%29 | John "Joe" Murphy (1917 – 2 August 2000) was an Irish civil engineering contractor. In his early life he worked as a police officer in the Garda Síochána but moved to England in 1945 to work in construction with his brother John Murphy. After ten years Joe established his own company, Murphy Limited, which became kno... | Joe Murphy (contractor) | [
"Engineering"
] | 733 | [
"Civil engineering",
"Civil engineering contractors"
] |
68,611,391 | https://en.wikipedia.org/wiki/Aquamarine%20%28gem%29 | Aquamarine is a pale-blue to light-green variety of the beryl family, with its name relating to water and sea. The color of aquamarine can be changed by heat, with a goal to enhance its physical appearance (though this practice is frowned upon by collectors and jewelers). It is the birth stone of March.
Aquamarine is ... | Aquamarine (gem) | [
"Physics"
] | 2,162 | [
"Materials",
"Gemstones",
"Matter"
] |
68,613,853 | https://en.wikipedia.org/wiki/Leticia%20Myriam%20Torres%20Guerra | Leticia Myriam Torres Guerra (born September 9, 1955) is a Mexican chemist.
Her research work focuses on the development and synthesis of advanced materials such as semiconductors and their application as powders and films in renewable energy and sustainable decontamination projects.
In 2005, she was appointed head o... | Leticia Myriam Torres Guerra | [
"Materials_science",
"Technology",
"Engineering"
] | 855 | [
"Women materials scientists and engineers",
"Materials scientists and engineers",
"Women in science and technology",
"Materials science"
] |
68,614,556 | https://en.wikipedia.org/wiki/Agn%C3%A8s%20Sulem | Agnès Sulem (born 1959) is a French applied mathematician whose research topics include stochastic control, jump diffusion, and mathematical finance.
Education
Sulem earned a Ph.D. in 1983 at Paris Dauphine University, with the dissertation Résolution explicite d'Inéquations Quasi-Variationnelles associées à des pro... | Agnès Sulem | [
"Engineering"
] | 239 | [
"Control engineering",
"Control theorists"
] |
68,617,077 | https://en.wikipedia.org/wiki/Bacteriophage%20%CF%86Cb5 | Bacteriophage φCb5 is a bacteriophage that infects Caulobacter bacteria and other caulobacteria. The bacteriophage was discovered in 1970, it belongs to the genus Cebevirus of the Steitzviridae family and is the namesake of the genus. The bacteriophage is widely distributed in the soil, freshwater lakes, streams and se... | Bacteriophage φCb5 | [
"Biology"
] | 435 | [
"Viruses",
"Riboviria"
] |
57,667,287 | https://en.wikipedia.org/wiki/Dirichlet%20hyperbola%20method | In number theory, the Dirichlet hyperbola method is a technique to evaluate the sum
where is a multiplicative function. The first step is to find a pair of multiplicative functions and such that, using Dirichlet convolution, we have ; the sum then becomes
where the inner sum runs over all ordered pairs of... | Dirichlet hyperbola method | [
"Mathematics"
] | 431 | [
"Discrete mathematics",
"Number theory"
] |
57,671,069 | https://en.wikipedia.org/wiki/Two%20capacitor%20paradox | The two capacitor paradox or capacitor paradox is a paradox, or counterintuitive thought experiment, in electric circuit theory. The thought experiment is usually described as follows:
Two identical capacitors are connected in parallel with an open switch between them. One of the capacitors is charged with a voltage ... | Two capacitor paradox | [
"Physics",
"Engineering"
] | 1,068 | [
"Physical quantities",
"Capacitors",
"Electronic engineering",
"Capacitance",
"Electrical engineering",
"Electrical circuits"
] |
57,672,909 | https://en.wikipedia.org/wiki/Thiosilicate | In chemistry and materials science, thiosilicate refers to materials containing anions of the formula . Derivatives where some sulfide is replaced by oxide are also called thiosilicates, examples being materials derived from the oxohexathiodisilicate . Silicon is tetrahedral in all thiosilicates and sulfur is bridging ... | Thiosilicate | [
"Physics",
"Chemistry"
] | 200 | [
"Matter",
"Inorganic compounds",
"Inorganic polymers",
"Inorganic silicon compounds",
"Sulfur ions",
"Ions"
] |
57,673,633 | https://en.wikipedia.org/wiki/COSMIC%20functional%20size%20measurement | COSMIC functional size measurement is a method to measure a standard functional size of a piece of software. COSMIC is an acronym of COmmon Software Measurement International Consortium, a voluntary organization that has developed the method and is still expanding its use to more software domains.
The method
The "Me... | COSMIC functional size measurement | [
"Mathematics",
"Engineering"
] | 1,160 | [
"Software engineering",
"Quantity",
"Metrics",
"Software metrics"
] |
57,674,142 | https://en.wikipedia.org/wiki/Photothermal%20time | Photothermal time (PTT) is a product between growing degree-days (GDD) and day length (hours) for each day. PTT = GDD × DL It can be used to quantify environment, as well as the timing of developmental stages of plants.
References
Product certification
Measurement
Ecology | Photothermal time | [
"Physics",
"Mathematics",
"Biology"
] | 63 | [
"Physical quantities",
"Quantity",
"Ecology",
"Measurement",
"Size"
] |
57,675,728 | https://en.wikipedia.org/wiki/Drug%20titration | Drug titration is the process of adjusting the dose of a medication for the maximum benefit without adverse effects.
When a drug has a narrow therapeutic index, titration is especially important, because the range between the dose at which a drug is effective and the dose at which side effects occur is small. Some exa... | Drug titration | [
"Chemistry"
] | 224 | [
"Pharmacology",
"Pharmacology stubs",
"Medicinal chemistry",
"Medicinal chemistry stubs"
] |
59,327,836 | https://en.wikipedia.org/wiki/Bray%E2%80%93Moss%E2%80%93Libby%20model | In premixed turbulent combustion, Bray–Moss–Libby (BML) model is a closure model for a scalar field, built on the assumption that the reaction sheet is infinitely thin compared with the turbulent scales, so that the scalar can be found either at the state of burnt gas or unburnt gas. The model is named after Kenneth Br... | Bray–Moss–Libby model | [
"Chemistry",
"Engineering"
] | 472 | [
"Turbulence",
"Chemical engineering",
"Combustion",
"Piping",
"Fluid dynamics"
] |
54,351,003 | https://en.wikipedia.org/wiki/Radiation%20Budget%20Instrument | The Radiation Budget Instrument (RBI) is a scanning radiometer capable of measuring Earth's reflected sunlight and emitted thermal radiation. The project was cancelled on January 26, 2018; NASA cited technical, cost, and schedule issues and the impact of anticipated RBI cost growth on other programs.
RBI was scheduled... | Radiation Budget Instrument | [
"Physics",
"Technology",
"Engineering"
] | 182 | [
"Telecommunications engineering",
"Spectrum (physical sciences)",
"Electromagnetic radiation meters",
"Electromagnetic spectrum",
"Measuring instruments",
"Radiometry"
] |
54,358,158 | https://en.wikipedia.org/wiki/Mouse%20ear%20swelling%20test | The mouse ear swelling test is a toxicological test that aims to mimic human skin reactions to chemicals. It avoids post-mortem examination of tested animals.
References
See also
Local lymph node assay
Draize test
Freund's Complete Adjuvant
Toxicology
Allergology | Mouse ear swelling test | [
"Environmental_science"
] | 62 | [
"Toxicology",
"Toxicology stubs"
] |
51,503,229 | https://en.wikipedia.org/wiki/Montana%20flume | A Montana flume is a popular modification of the standard Parshall flume. The Montana flume removes the throat and discharge sections of the Parshall flume, resulting a flume that is lighter in weight, shorter in length, and less costly to manufacture. Montana flumes are used to measure surface waters, irrigations flo... | Montana flume | [
"Chemistry",
"Engineering",
"Environmental_science"
] | 1,172 | [
"Hydrology",
"Civil engineering",
"Fluid mechanics",
"Environmental engineering"
] |
51,506,064 | https://en.wikipedia.org/wiki/DPANN | DPANN is a superphylum of Archaea first proposed in 2013. Many members show novel signs of horizontal gene transfer from other domains of life. They are known as nanoarchaea or ultra-small archaea due to their smaller size (nanometric) compared to other archaea.
DPANN is an acronym formed by the initials of the first ... | DPANN | [
"Biology",
"Environmental_science"
] | 1,673 | [
"Archaea",
"Organisms by adaptation",
"Extremophiles",
"Bacteria",
"Archaea taxa",
"Environmental microbiology"
] |
51,508,407 | https://en.wikipedia.org/wiki/Pseudo-ring | In mathematics, and more specifically in abstract algebra, a pseudo-ring is one of the following variants of a ring:
A rng, i.e., a structure satisfying all the axioms of a ring except for the existence of a multiplicative identity.
A set R with two binary operations + and ⋅ such that is an abelian group with ident... | Pseudo-ring | [
"Mathematics"
] | 172 | [
"Algebra stubs",
"Mathematical structures",
"Algebras",
"Ring theory",
"Mathematical objects",
"Fields of abstract algebra",
"Algebraic structures",
"Algebra"
] |
71,535,495 | https://en.wikipedia.org/wiki/Kuratowski%27s%20intersection%20theorem | In mathematics, Kuratowski's intersection theorem is a result in general topology that gives a sufficient condition for a nested sequence of sets to have a non-empty intersection. Kuratowski's result is a generalisation of Cantor's intersection theorem. Whereas Cantor's result requires that the sets involved be compa... | Kuratowski's intersection theorem | [
"Mathematics"
] | 428 | [
"Compactness theorems",
"Theorems in topology"
] |
71,535,589 | https://en.wikipedia.org/wiki/Selenosulfide | In chemistry, a selenosulfide refers to distinct classes of inorganic and organic compounds containing sulfur and selenium. The organic derivatives contain Se-S bonds, whereas the inorganic derivatives are more variable.
Organic selenosulfides
These species are classified as both organosulfur and organoselenium compo... | Selenosulfide | [
"Physics",
"Chemistry"
] | 610 | [
"Matter",
"Mixed anion compounds",
"Organosulfur compounds",
"Semiconductor materials",
"Organic compounds",
"Materials",
"Optical materials",
"Ions"
] |
71,542,093 | https://en.wikipedia.org/wiki/Myrtenal | Myrtenal is a bicyclic monoterpenoid with the chemical formula C10H14O. It is a naturally occurring molecule that can be found in numerous plant species including Hyssopus officinalis, Salvia absconditiflora, and Cyperus articulatus.
Biological research
Myrtenal was shown to inhibit acetylcholinesterase, which is a ... | Myrtenal | [
"Chemistry"
] | 146 | [
"Organic compounds",
"Organic compound stubs",
"Organic chemistry stubs"
] |
64,263,166 | https://en.wikipedia.org/wiki/Pantometrum%20Kircherianum | Pantometrum Kircherianum is a 1660 work by the Jesuit scholars Gaspar Schott and Athanasius Kircher. It was dedicated to Christian Louis I, Duke of Mecklenburg and printed in Würzburg by Johann Gottfried Schönwetter. It was a description, with building instructions, of a measuring device called the pantometer, that Kir... | Pantometrum Kircherianum | [
"Physics",
"Mathematics"
] | 704 | [
"Quantity",
"Dimensional instruments",
"Physical quantities",
"Size"
] |
64,266,300 | https://en.wikipedia.org/wiki/Schwartz%20topological%20vector%20space | In functional analysis and related areas of mathematics, Schwartz spaces are topological vector spaces (TVS) whose neighborhoods of the origin have a property similar to the definition of totally bounded subsets. These spaces were introduced by Alexander Grothendieck.
Definition
A Hausdorff locally convex space with... | Schwartz topological vector space | [
"Mathematics"
] | 360 | [
"Functions and mappings",
"Functional analysis",
"Vector spaces",
"Mathematical objects",
"Topological vector spaces",
"Space (mathematics)",
"Mathematical relations"
] |
64,267,601 | https://en.wikipedia.org/wiki/Buchdahl%27s%20theorem | In general relativity, Buchdahl's theorem, named after Hans Adolf Buchdahl, makes more precise the notion that there is a maximal sustainable density for ordinary gravitating matter. It gives an inequality between the mass and radius that must be satisfied for static, spherically symmetric matter configurations under c... | Buchdahl's theorem | [
"Physics",
"Mathematics"
] | 587 | [
"Mathematical theorems",
"Physical quantities",
"Quantity",
"Energy (physics)",
"nan",
"Wikipedia categories named after physical quantities",
"Mathematical problems"
] |
67,227,898 | https://en.wikipedia.org/wiki/Edmond%E2%80%93Ogston%20model | The Edmond–Ogston model is a thermodynamic model proposed by Elizabeth Edmond and Alexander George Ogston in 1968 to describe phase separation of two-component polymer mixtures in a common solvent. At the core of the model is an expression for the Helmholtz free energy
that takes into account terms in the concentr... | Edmond–Ogston model | [
"Physics",
"Chemistry",
"Materials_science",
"Engineering"
] | 263 | [
"Thermodynamics stubs",
"Thermodynamic properties",
"Physical quantities",
"Materials science",
"Homogeneous chemical mixtures",
"Thermodynamic free energy",
"Energy (physics)",
"Thermodynamics",
"Polymer chemistry",
"Solutions",
"Wikipedia categories named after physical quantities",
"Physica... |
44,321,440 | https://en.wikipedia.org/wiki/Supersonic%20flow%20over%20a%20flat%20plate | Supersonic flow over a flat plate is a classical fluid dynamics problem. There is no exact solution to it.
Physics
When a fluid flow at the speed of sound over a thin sharp flat plate over the leading edge at low incident angle at low Reynolds Number. Then a laminar boundary layer will be developed at the leading edg... | Supersonic flow over a flat plate | [
"Chemistry",
"Engineering"
] | 708 | [
"Chemical engineering",
"Aerodynamics",
"Aerospace engineering",
"Piping",
"Fluid dynamics"
] |
44,325,436 | https://en.wikipedia.org/wiki/Petroleomics | Petroleomics is the identification of the totality of the constituents of naturally occurring petroleum and crude oil using high resolution mass spectrometry. In addition to mass determination, petroleomic analysis sorts the chemical compounds into heteroatom class (nitrogen, oxygen and sulfur), type (degree of unsatur... | Petroleomics | [
"Physics",
"Chemistry"
] | 830 | [
"Spectrum (physical sciences)",
"Instrumental analysis",
"Mass",
"Petroleum",
"Mass spectrometry",
"Chemical mixtures",
"Matter"
] |
47,413,207 | https://en.wikipedia.org/wiki/Visible%20Multi%20Object%20Spectrograph | The Visible Multi-Object Spectrograph (VIMOS) is a wide field imager and a multi-object spectrograph installed at the European Southern Observatory's Very Large Telescope (VLT), in Chile. The instrument used for deep astronomical surveys delivers visible images and spectra of up to 1,000 galaxies at a time. VIMOS image... | Visible Multi Object Spectrograph | [
"Physics",
"Chemistry",
"Astronomy"
] | 303 | [
"Telescope instruments",
"Spectrum (physical sciences)",
"Spectrographs",
"Astronomical instruments",
"Spectroscopy"
] |
47,422,135 | https://en.wikipedia.org/wiki/Ernst%20K.%20Zinner | Ernst Kunibert Zinner (30 January 1937 – 30 July 2015) was an Austrian astrophysicist, known for his pioneering work in the analysis of stardust in the laboratory. He long had a position in the United States at the Laboratory for Space Physics (later part of the McDonnell Center for the Space Sciences) at Washington Un... | Ernst K. Zinner | [
"Physics"
] | 1,010 | [
"Astrophysicists",
"Astrophysics"
] |
49,182,501 | https://en.wikipedia.org/wiki/Music%20technology | Music technology is the study or the use of any device, mechanism, machine or tool by a musician or composer to make or perform music; to compose, notate, playback or record songs or pieces; or to analyze or edit music.
History
The earliest known applications of technology to music was prehistoric peoples' use of a ... | Music technology | [
"Engineering"
] | 9,298 | [
"Audio electronics",
"Audio engineering"
] |
49,183,008 | https://en.wikipedia.org/wiki/Lead%20abatement | Lead abatement includes lead-based paint abatement activities, such as inspections, risk assessments, as well as removal. Lead abatement must be performed by educated, certified professionals with proper safety protocols to limit lead exposure. The goal is to permanently eliminate lead-based paint hazards, such as seri... | Lead abatement | [
"Chemistry",
"Engineering"
] | 1,624 | [
"Pollution control technologies",
"Environmental engineering"
] |
49,185,980 | https://en.wikipedia.org/wiki/Emission%20channeling | Emission channeling is an experimental technique for identifying the position of short-lived radioactive atoms in the lattice of a single crystal.
When the radioactive atoms decay, they emit fast charged particles (e.g., α-particles and β-particles). Because of their charge, the emitted particles interact in character... | Emission channeling | [
"Physics",
"Chemistry"
] | 241 | [
"Experimental physics",
"Radioactivity",
"Nuclear physics"
] |
49,187,020 | https://en.wikipedia.org/wiki/Triple%20beam%20balance | The triple beam balance is an instrument used to measure weight or mass very precisely. Such devices typically have a reading error of ±0.05 grams. Its name refers to its three beams, where the middle beam is the largest, the far beam of medium size, and the front beam the smallest. The difference in size of the beams ... | Triple beam balance | [
"Physics",
"Technology",
"Engineering"
] | 517 | [
"Weighing instruments",
"Mass",
"Matter",
"Measuring instruments"
] |
49,190,541 | https://en.wikipedia.org/wiki/Cold%20blob | The cold blob in the North Atlantic (also called the North Atlantic warming hole) describes a cold temperature anomaly of ocean surface waters, affecting the Atlantic Meridional Overturning Circulation (AMOC) which is part of the thermohaline circulation, possibly related to global warming-induced melting of the Greenl... | Cold blob | [
"Physics",
"Chemistry"
] | 904 | [
"Physical phenomena",
"Applied and interdisciplinary physics",
"Weather",
"Chemical oceanography",
"Physical oceanography",
"Anomalous weather"
] |
49,190,858 | https://en.wikipedia.org/wiki/Palmqvist%20method | The Palmqvist method, or the Palmqvist toughness test, (after Sven Robert Palmqvist) is a common method to determine the fracture toughness for cemented carbides. In this case, the material's fracture toughness is given by the critical stress intensity factor KIc.
Approach
The Palmqvist-method uses the lengths of the ... | Palmqvist method | [
"Materials_science",
"Engineering"
] | 173 | [
"Structural engineering",
"Fracture mechanics",
"Materials science",
"Materials testing",
"Materials degradation"
] |
49,191,413 | https://en.wikipedia.org/wiki/Barium%20stannate | Barium stannate is an oxide of barium and tin with the chemical formula BaSnO3. It is a wide band gap semiconductor with a perovskite crystal structure.
References
Barium compounds
Stannates
Semiconductor materials
Perovskites | Barium stannate | [
"Chemistry"
] | 51 | [
"Semiconductor materials"
] |
42,877,569 | https://en.wikipedia.org/wiki/Relationship%20between%20mathematics%20and%20physics | The relationship between mathematics and physics has been a subject of study of philosophers, mathematicians and physicists since antiquity, and more recently also by historians and educators. Generally considered a relationship of great intimacy, mathematics has been described as "an essential tool for physics" and ph... | Relationship between mathematics and physics | [
"Physics",
"Mathematics",
"Technology"
] | 1,631 | [
"Philosophy of physics",
"Applied and interdisciplinary physics",
"Foundations of mathematics",
"History of science",
"Physics education",
"nan",
"History of science and technology"
] |
42,884,381 | https://en.wikipedia.org/wiki/Equilibrant%20force | In mechanics, an equilibrant force is a force which brings a body into mechanical equilibrium. According to Newton's second law, a body has zero acceleration when the vector sum of all the forces acting upon it is zero:
Therefore, an equilibrant force is equal in magnitude and opposite in direction to the resultant o... | Equilibrant force | [
"Physics",
"Mathematics"
] | 426 | [
"Force",
"Physical quantities",
"Quantity",
"Mass",
"Classical mechanics stubs",
"Classical mechanics",
"Wikipedia categories named after physical quantities",
"Matter"
] |
55,941,264 | https://en.wikipedia.org/wiki/Waldspurger%20formula | In representation theory of mathematics, the Waldspurger formula relates the special values of two L-functions of two related admissible irreducible representations. Let be the base field, be an automorphic form over , be the representation associated via the Jacquet–Langlands correspondence with . Goro Shimura (1... | Waldspurger formula | [
"Mathematics"
] | 799 | [
"Langlands program",
"Fields of abstract algebra",
"Algebraic number theory",
"Representation theory",
"Number theory"
] |
55,943,839 | https://en.wikipedia.org/wiki/GPS%20Block%20IIIF | GPS Block IIIF, or GPS III Follow On (GPS IIIF), is the second set of GPS Block III satellites, consisting of up to 22 space vehicles. The United States Air Force began the GPS Block IIIF acquisition effort in 2016. On 14 September 2018, a manufacturing contract with options worth up to $7.2 billion was awarded to Lock... | GPS Block IIIF | [
"Technology",
"Engineering"
] | 2,193 | [
"Global Positioning System",
"Wireless locating",
"Aircraft instruments",
"Aerospace engineering"
] |
55,943,952 | https://en.wikipedia.org/wiki/Subrepresentation | In representation theory, a subrepresentation of a representation of a group G is a representation such that W is a vector subspace of V and .
A nonzero finite-dimensional representation always contains a nonzero subrepresentation that is irreducible, the fact seen by induction on dimension. This fact is generally f... | Subrepresentation | [
"Mathematics"
] | 130 | [
"Representation theory",
"Fields of abstract algebra"
] |
41,454,040 | https://en.wikipedia.org/wiki/Ludwig%20Blattner | Ludwig Blattner (5 February 1880 – 29 October 1935) was a German-born inventor, film producer, director and studio owner in the United Kingdom, and developer of one of the earliest magnetic sound recording devices.
Career
Ludwig Blattner, also known as Louis Blattner, was a pioneer of early magnetic sound recording, ... | Ludwig Blattner | [
"Engineering"
] | 1,276 | [
"Electrical engineering",
"Audio engineering"
] |
41,454,149 | https://en.wikipedia.org/wiki/James%20B.%20Anderson | James Bernhard Anderson (November 16, 1935 – January 14, 2021) was an American chemist and physicist. From 1995 to 2014 he was Evan Pugh Professor of Chemistry and Physics at the Pennsylvania State University. He specialized in Quantum Chemistry by Monte Carlo methods, molecular dynamics of reactive collisions, kinetic... | James B. Anderson | [
"Physics"
] | 1,102 | [
"Monte Carlo methods",
"Computational physics"
] |
41,465,868 | https://en.wikipedia.org/wiki/Shannon%20%28unit%29 | The shannon (symbol: Sh) is a unit of information named after Claude Shannon, the founder of information theory. IEC 80000-13 defines the shannon as the information content associated with an event when the probability of the event occurring is . It is understood as such within the realm of information theory, and is c... | Shannon (unit) | [
"Mathematics"
] | 940 | [
"Units of information",
"Quantity",
"Units of measurement"
] |
41,467,632 | https://en.wikipedia.org/wiki/Character%20literal | A character literal is a type of literal in programming for the representation of a single character's value within the source code of a computer program.
Languages that have a dedicated character data type generally include character literals; these include C, C++, Java, and Visual Basic. Languages without character ... | Character literal | [
"Technology"
] | 319 | [
"Natural language and computing",
"Character encoding"
] |
65,762,490 | https://en.wikipedia.org/wiki/CYP139%20family | Cytochrome P450, family 139, also known as CYP139, is a cytochrome P450 monooxygenase family in bacteria. The first gene identified in this family is CYP139A1 from Mycobacterium tuberculosis. Most member of this family belonged to the subfamily A, and involved in the synthesis of secondary metabolites in many mycobacte... | CYP139 family | [
"Biology"
] | 91 | [
"Protein families",
"Protein classification"
] |
65,764,965 | https://en.wikipedia.org/wiki/Solar-blind%20technology | Solar-blind technology is a set of technologies to produce images without interference from the Sun. This is done by using wavelengths of ultraviolet light that are totally absorbed by the ozone layer, yet are transmitted in the Earth's atmosphere. Wavelengths from 240 to 280 nm are completely absorbed by the ozone lay... | Solar-blind technology | [
"Physics",
"Chemistry"
] | 503 | [
"Spectrum (physical sciences)",
"Electromagnetic spectrum",
"Ultraviolet radiation"
] |
65,770,702 | https://en.wikipedia.org/wiki/Scythian%20metallurgy | From the 7th to 3rd Century BC, the Scythian people of the Pontic–Caspian steppe engaged in the widespread practice of metallurgy. Though Scythian society was heavily based around a nomadic, mobile lifestyle, the culture was capable of practicing metallurgy and of producing metal objects. Many works of Scythian metalwo... | Scythian metallurgy | [
"Chemistry",
"Materials_science"
] | 734 | [
"Metallurgy",
"History of metallurgy"
] |
60,773,258 | https://en.wikipedia.org/wiki/Tropifexor | Tropifexor is an investigational drug that acts as an agonist of the farnesoid X receptor (FXR). It was discovered by researchers from Novartis and Genomics Institute of the Novartis Research Foundation. Its synthesis and pharmacological properties were published in 2017. It was developed for the treatment of cholestat... | Tropifexor | [
"Chemistry"
] | 266 | [
"Carboxylic acids",
"Functional groups"
] |
60,776,979 | https://en.wikipedia.org/wiki/Polydiketoenamine | Polydiketoenamine (PDK) is a polymer discovered in 2019 that can be recycled over and over without loss of performance. It is obtained from carboxylic acids and polyamides. The compound contains a cross-linked network which gives it the properties of higher performance and chemical resistance. The mechanical reprocessi... | Polydiketoenamine | [
"Chemistry"
] | 171 | [
"Polymer stubs",
"Organic polymers",
"Organic compounds",
"Organic chemistry stubs"
] |
60,777,446 | https://en.wikipedia.org/wiki/Barrel%20plating | Barrel plating is a form of electroplating used for plating a large number of smaller metal objects in one sitting. It consists of a non-conductive barrel-shaped cage in which the objects are placed before being subjected to the chemical bath in which they become plated. An important aspect of the barrel plating proces... | Barrel plating | [
"Chemistry"
] | 223 | [
"Metallurgical processes",
"Coatings",
"Metal plating"
] |
60,777,557 | https://en.wikipedia.org/wiki/Value%20tree%20analysis | Value tree analysis is a multi-criteria decision-making (MCDM) implement by which the decision-making attributes for each choice to come out with a preference for the decision makes are weighted. Usually, choices' attribute-specific values are aggregated into a complete method. Decision analysts (DAs) distinguished two... | Value tree analysis | [
"Engineering"
] | 2,298 | [
"Safety engineering",
"Systems engineering",
"Reliability engineering"
] |
60,777,609 | https://en.wikipedia.org/wiki/Li%C3%B1%C3%A1n%27s%20flame%20speed | In combustion, Liñán's flame speed provides the estimate of the upper limit for edge-flame propagation velocity, when the flame curvature is small. The formula is named after Amable Liñán. When the flame thickness is much smaller than the mixing-layer thickness through which the edge flame is propagating, a flame speed... | Liñán's flame speed | [
"Chemistry",
"Engineering"
] | 306 | [
"Piping",
"Chemical engineering",
"Combustion",
"Fluid dynamics"
] |
68,622,078 | https://en.wikipedia.org/wiki/HD%2063513 | HD 63513 (HR 3036) is a solitary star located in the southern circumpolar constellation Volans. It has an apparent magnitude of 6.38, placing it near the max naked eye visibility. The star is situated at a distance of 634 light years but is receding with a heliocentric radial velocity of .
This object is a star with t... | HD 63513 | [
"Astronomy"
] | 208 | [
"Volans",
"Constellations"
] |
68,623,212 | https://en.wikipedia.org/wiki/Principal%20series%20%28spectroscopy%29 | In atomic emission spectroscopy, the principal series is a series of spectral lines caused when electrons move between p orbitals of an atom and the lowest available s orbital. These lines are usually found in the visible and ultraviolet portions of the electromagnetic spectrum. The principal series has given the lette... | Principal series (spectroscopy) | [
"Physics",
"Chemistry",
"Astronomy"
] | 169 | [
"Spectroscopy stubs",
"Spectrum (physical sciences)",
"Emission spectroscopy",
"Quantum mechanics",
"Absorption spectroscopy",
"Astronomy stubs",
"Atomic physics",
" molecular",
"Atomic",
"Molecular physics stubs",
"Spectroscopy",
"Physical chemistry stubs",
" and optical physics"
] |
68,624,888 | https://en.wikipedia.org/wiki/Bengt%20Aurivillius | Bengt Aurivillius (4 December, 1918 in Linköping – 2 May, 1994 in St. Peter's Parish, Malmöhus County) was a Swedish chemist known for his research in metal and mixed oxides.
Education and career
Aurivillius received his basic scientific education at the then Stockholm University where he graduated in 1937 and earned ... | Bengt Aurivillius | [
"Chemistry",
"Materials_science"
] | 417 | [
"Crystallographers",
"Crystallography",
"Inorganic chemists",
"Solid state chemists"
] |
53,059,902 | https://en.wikipedia.org/wiki/Nondeterministic%20constraint%20logic | In theoretical computer science, nondeterministic constraint logic is a combinatorial system in which an orientation is given to the edges of a weighted undirected graph, subject to certain constraints. One can change this orientation by steps in which a single edge is reversed, subject to the same constraints. This is... | Nondeterministic constraint logic | [
"Physics",
"Mathematics"
] | 1,826 | [
"Computational problems in graph theory",
"Physical quantities",
"Time",
"Reconfiguration",
"PSPACE-complete problems",
"Mathematical logic",
"Reversible computing",
"Computational mathematics",
"Logical calculi",
"Computational problems",
"Graph theory",
"Mathematical relations",
"Spacetime... |
53,061,027 | https://en.wikipedia.org/wiki/Luspatercept | Luspatercept, sold under the brand name Reblozyl, is a medication used for the treatment of anemia in beta thalassemia and myelodysplastic syndromes.
The US Food and Drug Administration (FDA) considers it to be a first-in-class medication.
Medical uses
Luspatercept is indicated for the treatment of adults with trans... | Luspatercept | [
"Biology"
] | 523 | [
"Recombinant proteins",
"Biotechnology products"
] |
53,063,316 | https://en.wikipedia.org/wiki/Volatilome | The volatilome (sometimes termed volatolome or volatome) contains all of the volatile metabolites as well as other volatile organic and inorganic compounds that originate from an organism, super-organism, or ecosystem. The atmosphere of a living planet could be regarded as its volatilome. While all volatile metabolites... | Volatilome | [
"Chemistry",
"Engineering",
"Biology"
] | 303 | [
"Biological engineering",
"Bioinformatics",
"Omics",
"Cellular processes",
"Biochemistry",
"Metabolism"
] |
64,274,563 | https://en.wikipedia.org/wiki/Quasi-ultrabarrelled%20space | In functional analysis and related areas of mathematics, a quasi-ultrabarrelled space is a topological vector spaces (TVS) for which every bornivorous ultrabarrel is a neighbourhood of the origin.
Definition
A subset B0 of a TVS X is called a bornivorous ultrabarrel if it is a closed, balanced, and bornivorous subs... | Quasi-ultrabarrelled space | [
"Mathematics"
] | 254 | [
"Topological vector spaces",
"Vector spaces",
"Space (mathematics)"
] |
64,278,078 | https://en.wikipedia.org/wiki/Metrizable%20topological%20vector%20space | In functional analysis and related areas of mathematics, a metrizable (resp. pseudometrizable) topological vector space (TVS) is a TVS whose topology is induced by a metric (resp. pseudometric). An LM-space is an inductive limit of a sequence of locally convex metrizable TVS.
Pseudometrics and metrics
A pseudometric ... | Metrizable topological vector space | [
"Mathematics"
] | 5,951 | [
"Mathematical structures",
"Vector spaces",
"Topological vector spaces",
"Space (mathematics)",
"Metric spaces"
] |
57,687,305 | https://en.wikipedia.org/wiki/Dissimilar%20friction%20stir%20welding | Dissimilar friction stir welding (DFSW) is the application of friction stir welding (FSW), invented in The Welding Institute (TWI) in 1991, to join different base metals including aluminum, copper, steel, titanium, magnesium and other materials. It is based on solid state welding that means there is no melting. DFSW is... | Dissimilar friction stir welding | [
"Physics",
"Chemistry",
"Engineering"
] | 2,660 | [
"Mechanical phenomena",
"Physical phenomena",
"Force",
"Friction",
"Physical quantities",
"Welding",
"Surface science",
"Mechanical engineering"
] |
57,687,722 | https://en.wikipedia.org/wiki/Spinterface | Spinterface is a term coined to indicate an interface between a ferromagnet and an organic semiconductor.
This is a widely investigated topic in molecular spintronics, since the role of interfaces plays a huge part in the functioning of a device. In particular, spinterfaces are widely studied in the scientific communi... | Spinterface | [
"Physics",
"Materials_science"
] | 2,109 | [
"Spintronics",
"Condensed matter physics"
] |
57,687,737 | https://en.wikipedia.org/wiki/Incremental%20deformations | In solid mechanics, the linear stability analysis of an elastic solution is studied using the method of incremental deformations superposed on finite deformations. The method of incremental deformation can be used to solve static, quasi-static and time-dependent problems. The governing equations of the motion are one... | Incremental deformations | [
"Physics",
"Materials_science"
] | 1,534 | [
"Deformation (mechanics)",
"Physical phenomena",
"Physical properties",
"Elasticity (physics)"
] |
51,513,135 | https://en.wikipedia.org/wiki/Graph%20%28topology%29 | In topology, a branch of mathematics, a graph is a topological space which arises from a usual graph by replacing vertices by points and each edge by a copy of the unit interval , where is identified with the point associated to and with the point associated to . That is, as topological spaces, graphs are exactly ... | Graph (topology) | [
"Mathematics"
] | 425 | [
"Topological spaces",
"Mathematical structures",
"Topology",
"Space (mathematics)"
] |
51,514,596 | https://en.wikipedia.org/wiki/Tissue%20growth | Tissue growth is the process by which a tissue increases its size. In animals, tissue growth occurs during embryonic development, post-natal growth, and tissue regeneration. The fundamental cellular basis for tissue growth is the process of cell proliferation, which involves both cell growth and cell division occurri... | Tissue growth | [
"Biology"
] | 699 | [
"Behavior",
"Cell biology",
"Developmental biology",
"Reproduction",
"Cellular processes",
"Cell cycle"
] |
51,516,730 | https://en.wikipedia.org/wiki/Gould%27s%20sequence | Gould's sequence is an integer sequence named after Henry W. Gould that counts how many odd numbers are in each row of Pascal's triangle. It consists only of powers of two, and begins:
1, 2, 2, 4, 2, 4, 4, 8, 2, 4, 4, 8, 4, 8, 8, 16, 2, 4, ...
For instance, the sixth number in the sequence is 4, because there are fou... | Gould's sequence | [
"Physics",
"Mathematics"
] | 763 | [
"Sequences and series",
"Symmetry",
"Functions and mappings",
"Integer sequences",
"Mathematical structures",
"Mathematical analysis",
"Factorial and binomial topics",
"Recreational mathematics",
"Mathematical objects",
"Fractals",
"Number theory",
"Combinatorics",
"Mathematical relations",
... |
51,517,440 | https://en.wikipedia.org/wiki/Pomeranchuk%27s%20theorem | Pomeranchuk's theorem, named after Soviet physicist Isaak Pomeranchuk, states that difference of cross sections of interactions of elementary particles and (i. e. particle with particle , and with its antiparticle ) approach 0 when , where is the energy in center of mass system.
See also
Pomeron
References
.
... | Pomeranchuk's theorem | [
"Physics",
"Chemistry"
] | 78 | [
"Scattering theory",
"Equations of physics",
"Eponymous theorems of physics",
"Scattering",
"Particle physics",
"Particle physics stubs",
"Physics theorems"
] |
54,366,204 | https://en.wikipedia.org/wiki/Rod%20Smallwood%20%28medical%20engineer%29 | Professor Rodney Harris Smallwood FREng, HonFRCP, FIET, FInstP, FIPEM (born 1945), known as Rod, is a British medical engineer and computer scientist.
Smallwood graduated in Physics from University College London, then studied solid-state physics at Lancaster University, before working for the National Health Service ... | Rod Smallwood (medical engineer) | [
"Engineering"
] | 191 | [
"Institution of Engineering and Technology",
"Fellows of the Institution of Engineering and Technology"
] |
54,366,493 | https://en.wikipedia.org/wiki/Skeletocutis%20subvulgaris | Skeletocutis subvulgaris is a species of poroid, white rot fungus in the family Polyporaceae. Found in China, it was described as a new species in 1998 by mycologist Yu-Chen Dai. It was named for its resemblance to Skeletocutis vulgaris. The type collection was made in Hongqi District, Jilin Province, where it was foun... | Skeletocutis subvulgaris | [
"Biology"
] | 280 | [
"Fungi",
"Fungus species"
] |
54,372,951 | https://en.wikipedia.org/wiki/GESTIS%20Substance%20Database | GESTIS Substance Database is a freely accessible online information system on chemical compounds. It is maintained by the Institut für Arbeitsschutz der Deutschen Gesetzlichen Unfallversicherung (IFA, Institute for Occupational Safety and Health of the German Social Accident Insurance). Information on occupational medi... | GESTIS Substance Database | [
"Chemistry",
"Biology"
] | 234 | [
"Biochemistry",
"Biochemistry databases"
] |
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