id int64 39 79M | url stringlengths 31 227 | text stringlengths 6 334k | source stringlengths 1 150 ⌀ | categories listlengths 1 6 | token_count int64 3 71.8k | subcategories listlengths 0 30 |
|---|---|---|---|---|---|---|
10,768,106 | https://en.wikipedia.org/wiki/NGC%206826 |
NGC 6826 (also known as Caldwell 15) is a planetary nebula located in the constellation Cygnus. It is commonly referred to as the "Blinking Planetary", although many other nebulae exhibit such "blinking". When viewed through a small telescope, the brightness of the central star overwhelms the eye when viewed directl... | NGC 6826 | [
"Astronomy"
] | 214 | [
"Cygnus (constellation)",
"Constellations"
] |
10,768,456 | https://en.wikipedia.org/wiki/Software%20system | A software system is a system of intercommunicating components based on software forming part of a computer system (a combination of hardware and software). It "consists of a number of separate programs, configuration files, which are used to set up these programs, system documentation, which describes the structure of... | Software system | [
"Technology",
"Engineering"
] | 451 | [
"Software engineering",
"Systems engineering",
"Computing terminology",
"Software engineering terminology"
] |
10,769,824 | https://en.wikipedia.org/wiki/Gavkhouni | Gavkhouni () also written as Gawkhuni or Batlaq-e-Gavkhuni, located in the Iranian Plateau in central Iran, east of the city of Isfahan, is the terminal basin of the Zayandeh River. Gavkhouni is a salt marsh with a salinity of 31.5% and an average depth of about 1 m. The salt marsh can dry up in summer. The Zayandeh Ri... | Gavkhouni | [
"Chemistry"
] | 919 | [
"Salt marshes",
"Salts"
] |
10,769,845 | https://en.wikipedia.org/wiki/Rocket%20Astrophysical%20Observatories%20K-2%2C%20K-3%20and%20K-4 | Rocket astrophysical observatories K-2, K-3 and K-4 were launched in Soviet Union in the 1960s and early 1970s under the direction of Grigor Gurzadyan of Byurakan Observatory in Armenia, for the study of the Solar ultraviolet and X-ray emission.
Technology
R-5 Pobeda ballistic rockets were used, launched from Kapustin... | Rocket Astrophysical Observatories K-2, K-3 and K-4 | [
"Astronomy"
] | 431 | [
"Space telescopes",
"Soviet space observatories"
] |
10,773,039 | https://en.wikipedia.org/wiki/E%C3%B6tv%C3%B6s%20rule | The Eötvös rule, named after the Hungarian physicist Loránd (Roland) Eötvös (1848–1919) enables the prediction of the surface tension of an arbitrary liquid pure substance at all temperatures. The density, molar mass and the critical temperature of the liquid have to be known. At the critical point the surface tension ... | Eötvös rule | [
"Physics",
"Chemistry"
] | 525 | [
"Applied and interdisciplinary physics",
"Thermodynamic equations",
"Equations of physics",
"Thermodynamics",
"nan",
"Physical chemistry"
] |
10,774,004 | https://en.wikipedia.org/wiki/3C%20295 | 3C 295 is a narrow-line radio galaxy located in the constellation of Boötes. With a redshift of 0.464, it is approximately 5 billion light-years from Earth. At time of the discovery of its redshift in 1960, this was the remotest object known.
History
The number in its name corresponds with it being the 295th object in... | 3C 295 | [
"Astronomy"
] | 258 | [
"Boötes",
"Constellations"
] |
10,774,105 | https://en.wikipedia.org/wiki/Goro%20Azumaya | was a Japanese mathematician who introduced the notion of Azumaya algebra in 1951. His advisor was Shokichi Iyanaga. At the time of his death he was an emeritus professor at Indiana University.
References
External links
Biography of Azumaya by BiRep, Bielefeld University
1920 births
20th-century Japanese mathem... | Goro Azumaya | [
"Mathematics"
] | 91 | [
"Algebra",
"Algebraists"
] |
10,774,970 | https://en.wikipedia.org/wiki/Stanley%20Gill | Professor Stanley J. Gill (26 March 1926 – 5 April 1975) was a British computer scientist credited, along with Maurice Wilkes and David Wheeler, with the invention of the first computer subroutine.
Early life, education and career
Stanley Gill was born 26 March 1926 in Worthing, West Sussex, England. He was educated a... | Stanley Gill | [
"Technology"
] | 1,019 | [
"History of computing",
"History of computing in the United Kingdom"
] |
10,775,053 | https://en.wikipedia.org/wiki/NGC%206027e | NGC 6027e is a tidal tail of NGC 6027, not an individual galaxy, that is part of Seyfert's Sextet, a compact group of galaxies, which is located in the constellation Serpens.
See also
NGC 6027
NGC 6027a
NGC 6027b
NGC 6027c
NGC 6027d
References
External links
HubbleSite NewsCenter: Pictures and description
Ser... | NGC 6027e | [
"Astronomy"
] | 100 | [
"Constellations",
"Serpens"
] |
10,775,253 | https://en.wikipedia.org/wiki/NGC%206884 | NGC 6884 is a planetary nebula located in the constellation Cygnus, less than a degree to the southwest of the star Ο1 Cygni. It lies at a distance of approximately from the Sun. The nebula was discovered on May 8, 1883, by American astronomer Edward C. Pickering.
This nebula consists of the cast-off outer atmospher... | NGC 6884 | [
"Astronomy"
] | 228 | [
"Cygnus (constellation)",
"Constellations"
] |
10,775,385 | https://en.wikipedia.org/wiki/Complete%20quotient | In the metrical theory of regular continued fractions, the kth complete quotient ζ k is obtained by ignoring the first k partial denominators ai. For example, if a regular continued fraction is given by
then the successive complete quotients ζ k are given by
A recursive relationship
From the definition given above we... | Complete quotient | [
"Mathematics"
] | 798 | [
"Continued fractions",
"Number theory"
] |
10,775,941 | https://en.wikipedia.org/wiki/NGC%206087 | NGC 6087 (also known as Caldwell 89 or the S Normae Cluster) is an open cluster of 40 or more stars centered on the Cepheid variable S Normae in the constellation Norma. At a distance of about 3500 ly and covering a field of almost one quarter of a degree, the stars range from seventh- to eleventh-magnitude, the brigh... | NGC 6087 | [
"Astronomy"
] | 159 | [
"Norma (constellation)",
"Constellations"
] |
10,775,969 | https://en.wikipedia.org/wiki/Institution%20of%20Railway%20Signal%20Engineers | The Institution of Railway Signal Engineers (IRSE) is a worldwide professional body for all those engaged or interested in railway signalling and telecommunications (S&T) and allied disciplines. Half its members are in the UK and half are outside it.
Local sections
The IRSE is based in London, with international sect... | Institution of Railway Signal Engineers | [
"Engineering"
] | 478 | [
"Institution of Mechanical Engineers",
"Mechanical engineering organizations"
] |
10,777,001 | https://en.wikipedia.org/wiki/Conservation%20Biology%20%28journal%29 | Conservation Biology is a bimonthly peer-reviewed scientific journal of the Society for Conservation Biology, published by Wiley-Blackwell and established in May 1987. It covers the science and practice of conserving Earth's biological diversity, including issues concerning any of the Earth's ecosystems or regions. The... | Conservation Biology (journal) | [
"Biology",
"Environmental_science"
] | 255 | [
"Environmental science journals",
"Conservation biology",
"Ecology journals"
] |
10,777,048 | https://en.wikipedia.org/wiki/Eight%20Ones | EO, or Eight Ones, is an 8-bit EBCDIC character code represented as all ones (binary 1111 1111, hexadecimal FF).
As a control code
Eight Ones, as an EBCDIC control code, is used for synchronisation purposes, such as a time and media filler. In Advanced Function Presentation code page definition resource headers, setti... | Eight Ones | [
"Technology"
] | 371 | [
"Computing stubs",
"Computer science",
"Computer science stubs"
] |
10,777,559 | https://en.wikipedia.org/wiki/Galvannealed | Galvannealed or galvanneal (galvannealed steel) is the result from the processes of galvanizing followed by annealing of sheet steel.
Galvannealed steel is a matte uniform grey color, which can be easily painted. In comparison to galvanized steel the coating is harder, and more brittle.
Production and properties
Pro... | Galvannealed | [
"Chemistry"
] | 704 | [
"Corrosion prevention",
"Metallurgical processes",
"Coatings",
"Corrosion",
"Metal plating"
] |
10,777,584 | https://en.wikipedia.org/wiki/Keetch%E2%80%93Byram%20drought%20index | The Keetch–Byram drought index (known as KBDI), created by John Keetch and George Byram in 1968 for the United States Department of Agriculture's Forest Service, is a measure of drought conditions. It is commonly used for the purpose of predicting the likelihood and severity of wildfire. It is calculated based on rainf... | Keetch–Byram drought index | [
"Chemistry",
"Engineering",
"Environmental_science"
] | 281 | [
"Hydrology",
"Environmental engineering"
] |
10,777,727 | https://en.wikipedia.org/wiki/Jack%20chain | A jack chain is a type of chain made of thin wire, with figure-eight-shaped links and loops at right angles to each other. Jack chains are often used to suspend fixtures such as lights or signs, for decorative purposes, or as part of a cable lock.
Jack chain may be manufactured as either single-jack chain or as double... | Jack chain | [
"Engineering"
] | 159 | [
"Mechanical engineering stubs",
"Mechanical engineering"
] |
10,777,748 | https://en.wikipedia.org/wiki/Weitzenb%C3%B6ck%27s%20inequality | In mathematics, Weitzenböck's inequality, named after Roland Weitzenböck, states that for a triangle of side lengths , , , and area , the following inequality holds:
Equality occurs if and only if the triangle is equilateral. Pedoe's inequality is a generalization of Weitzenböck's inequality. The Hadwiger–Finsler ... | Weitzenböck's inequality | [
"Mathematics"
] | 994 | [
"Elementary mathematics",
"Articles containing proofs",
"Elementary geometry"
] |
10,778,190 | https://en.wikipedia.org/wiki/Barrel%20shroud | A barrel shroud is an external covering that envelops (either partially or full-length) the barrel of a firearm to prevent unwanted direct contact with the barrel (e.g. accidental collision with surrounding objects or the user accidentally touching a hot barrel, which can lead to burns). Moving coverings such as pisto... | Barrel shroud | [
"Technology"
] | 1,089 | [
"Firearm components",
"Components"
] |
10,778,792 | https://en.wikipedia.org/wiki/South%20American%20Energy%20Council | The South American Energy Council is a body set up to co-ordinate the regional energy policy of the Union of South American Nations (UNASUR).
History
Its establishment was agreed at the first South American Energy Summit, which took place on April 16–17 2007 on Isla Margarita in the Venezuelan state of Nueva Esparta... | South American Energy Council | [
"Engineering",
"Environmental_science"
] | 197 | [
"International energy organizations",
"Environmental social science",
"Energy organizations",
"Energy policy"
] |
10,778,863 | https://en.wikipedia.org/wiki/List%20of%20plants%20with%20symbolism | Various folk cultures and traditions assign symbolic meanings to plants. Although these are no longer commonly understood by populations that are increasingly divorced from their rural traditions, some meanings survive. In addition, these meanings are alluded to in older pictures, songs and writings. New symbols have a... | List of plants with symbolism | [
"Biology"
] | 175 | [
"Lists of biota",
"Lists of plants",
"Plants"
] |
569,705 | https://en.wikipedia.org/wiki/Cell-mediated%20immunity | Cellular immunity, also known as cell-mediated immunity, is an immune response that does not rely on the production of antibodies. Rather, cell-mediated immunity is the activation of phagocytes, antigen-specific cytotoxic T-lymphocytes, and the release of various cytokines in response to an antigen.
History
In the la... | Cell-mediated immunity | [
"Chemistry",
"Biology"
] | 1,868 | [
"Cell biology",
"Immune system",
"Signal transduction",
"Immunology",
"Cytokines",
"Organ systems",
"Apoptosis"
] |
569,755 | https://en.wikipedia.org/wiki/Localhost | In computer networking, localhost is a hostname that refers to the current computer used to access it. The name localhost is reserved for loopback purposes.
It is used to access the network services that are running on the host via the loopback network interface. Using the loopback interface bypasses any local network ... | Localhost | [
"Technology"
] | 1,189 | [
"Internet architecture",
"IT infrastructure"
] |
569,759 | https://en.wikipedia.org/wiki/Link%20register | A link register (LR for short) is a register which holds the address to return to when a subroutine call completes. This is more efficient than the more traditional scheme of storing return addresses on a call stack, sometimes called a machine stack. The link register does not require the writes and reads of the memor... | Link register | [
"Technology"
] | 685 | [
"Computing stubs",
"Computer hardware stubs"
] |
569,831 | https://en.wikipedia.org/wiki/Flat%20chain | Flat chain is a form of chain used chiefly in agricultural machinery. Early machinery made extensive use of flat chain. It has been gradually replaced in most applications by roller chain, which is quieter, lasts longer, and requires less frequent retensioning.
Modern flat chain is made from stamped steel. Individu... | Flat chain | [
"Physics"
] | 234 | [
"Mechanical power transmission",
"Mechanics"
] |
569,840 | https://en.wikipedia.org/wiki/Mechanoreceptor | A mechanoreceptor, also called mechanoceptor, is a sensory receptor that responds to mechanical pressure or distortion. Mechanoreceptors are located on sensory neurons that convert mechanical pressure into electrical signals that, in animals, are sent to the central nervous system.
Vertebrate mechanoreceptors
Cutaneo... | Mechanoreceptor | [
"Biology"
] | 2,660 | [
"Behavioural sciences",
"Ethology",
"Behavior"
] |
569,846 | https://en.wikipedia.org/wiki/Co-sleeping | Co-sleeping or bed sharing is a practice in which babies and young children sleep close to one or both parents, as opposed to in a separate room. Co-sleeping individuals sleep in sensory proximity to one another, where the individual senses the presence of others. This sensory proximity can either be triggered by touch... | Co-sleeping | [
"Biology"
] | 2,362 | [
"Behavior",
"Sleep"
] |
569,850 | https://en.wikipedia.org/wiki/Roller%20chain | Roller chain or bush roller chain is the type of chain drive most commonly used for transmission of mechanical power on many kinds of domestic, industrial and agricultural machinery, including conveyors, wire- and tube-drawing machines, printing presses, cars, motorcycles, and bicycles. It consists of a series of shor... | Roller chain | [
"Physics"
] | 3,574 | [
"Mechanical power transmission",
"Mechanics",
"Mechanical power control"
] |
569,881 | https://en.wikipedia.org/wiki/Semi-arid%20climate | A semi-arid climate, semi-desert climate, or steppe climate is a dry climate sub-type. It is located on regions that receive precipitation below potential evapotranspiration, but not as low as a desert climate. There are different kinds of semi-arid climates, depending on variables such as temperature, and they give ri... | Semi-arid climate | [
"Biology"
] | 1,251 | [
"Grasslands",
"Ecosystems"
] |
569,945 | https://en.wikipedia.org/wiki/Trident%20Ploughshares | Trident Ploughshares (originally named Trident Ploughshares 2000) is an activist anti-nuclear weapons group, founded in 1998 with the aim of "beating swords into ploughshares" (taken from the Book of Isaiah). This is specifically by attempting to disarm the UK Trident nuclear weapons system, in a non-violent manner. T... | Trident Ploughshares | [
"Engineering"
] | 853 | [
"Nuclear organizations",
"Anti-nuclear organizations"
] |
570,062 | https://en.wikipedia.org/wiki/Wolf%20Szmuness | Wolf Szmuness (March 12, 1919 – June 6, 1982) was a Polish-born epidemiologist who immigrated to and worked in the United States. He conducted research at the New York Blood Center and, from 1973, he was director of the Center's epidemiology laboratory. He designed and conducted the trials for the first vaccine to prov... | Wolf Szmuness | [
"Biology"
] | 854 | [
"Biological hypotheses",
"AIDS origin hypotheses"
] |
570,103 | https://en.wikipedia.org/wiki/1986%20California%20Proposition%2065 | Proposition 65 (formally titled The Safe Drinking Water and Toxic Enforcement Act of 1986, and also referred to as Prop 65) is a California law passed by direct voter initiative in 1986 by a 63%–37% vote. Its goals are to protect drinking water sources from toxic substances that cause cancer or birth defects and to red... | 1986 California Proposition 65 | [
"Chemistry"
] | 2,538 | [] |
570,111 | https://en.wikipedia.org/wiki/Electronic%20control%20unit | An electronic control unit (ECU), also known as an electronic control module (ECM), is an embedded system in automotive electronics that controls one or more of the electrical systems or subsystems in a car or other motor vehicle.
Modern vehicles have many ECUs, and these can include some or all of the following: engi... | Electronic control unit | [
"Physics",
"Technology",
"Engineering"
] | 952 | [
"Self-driving cars",
"Physical quantities",
"Engines",
"Engine technology",
"Power (physics)",
"Automotive engineering",
"Engine components",
"Power control"
] |
570,140 | https://en.wikipedia.org/wiki/Infinite%20impulse%20response | Infinite impulse response (IIR) is a property applying to many linear time-invariant systems that are distinguished by having an impulse response that does not become exactly zero past a certain point but continues indefinitely. This is in contrast to a finite impulse response (FIR) system, in which the impulse respon... | Infinite impulse response | [
"Engineering"
] | 2,307 | [
"Telecommunications engineering",
"Filter theory"
] |
570,172 | https://en.wikipedia.org/wiki/Airspeed | In aviation, airspeed is the speed of an aircraft relative to the air it is flying through (which itself is usually moving relative to the ground due to wind). It is difficult to measure the exact airspeed of the aircraft (true airspeed), but other measures of airspeed, such as indicated airspeed and Mach number give u... | Airspeed | [
"Physics",
"Chemistry",
"Engineering"
] | 1,851 | [
"Physical quantities",
"Aerodynamics",
"Airspeed",
"Aerospace engineering",
"Wikipedia categories named after physical quantities",
"Fluid dynamics"
] |
570,214 | https://en.wikipedia.org/wiki/AquaDom | The AquaDom (mixed Latin and German: 'water dome', more formally 'water cathedral') was a cylindrical acrylic glass aquarium with built-in transparent elevator inside the lobby of the Radisson Collection Hotel in the DomAquarée complex at Karl-Liebknecht-Straße in Berlin-Mitte, Germany. The DomAquarée complex also con... | AquaDom | [
"Materials_science",
"Engineering"
] | 908 | [
"Mechanical failure",
"Materials science",
"Mechanical engineering"
] |
570,274 | https://en.wikipedia.org/wiki/Space%20Interferometry%20Mission | The Space Interferometry Mission, or SIM, also known as SIM Lite (formerly known as SIM PlanetQuest), was a planned space telescope proposed by the U.S. National Aeronautics and Space Administration (NASA), in conjunction with contractor Northrop Grumman. One of the main goals of the mission was the hunt for Earth-size... | Space Interferometry Mission | [
"Astronomy"
] | 4,708 | [
"Astronomy projects",
"Exoplanet search projects",
"Space telescopes",
"Space astrometry missions"
] |
570,440 | https://en.wikipedia.org/wiki/Zoosemiotics | Zoosemiotics is the semiotic study of the use of signs among animals, more precisely the study of semiosis among animals, i.e. the study of how something comes to function as a sign to some animal. It is the study of animal forms of knowing.
Considered part of biosemiotics, zoosemiotics is related to the fields of eth... | Zoosemiotics | [
"Biology"
] | 861 | [
"Ethology",
"Behavior",
"Zoosemiotics"
] |
570,478 | https://en.wikipedia.org/wiki/Housing%20cooperative | A housing cooperative, or housing co-op, is a legal entity which owns real estate consisting of one or more residential buildings. The entity is usually a cooperative or a corporation and constitutes a form of housing tenure. Typically housing cooperatives are owned by shareholders but in some cases they can be owned ... | Housing cooperative | [
"Biology"
] | 5,461 | [
"Behavior",
"Altruism",
"Private aid programs"
] |
570,498 | https://en.wikipedia.org/wiki/23%20enigma | The 23 enigma is a belief in the significance of the number 23. The concept of the 23 enigma has been popularized by various books, movies, and conspiracy theories, which suggest that the number 23 appears with unusual frequency in various contexts and may be a symbol of some larger, hidden significance. A topic relate... | 23 enigma | [
"Mathematics"
] | 724 | [
"Numerology",
"Mathematical objects",
"Numbers"
] |
570,602 | https://en.wikipedia.org/wiki/Max%20Dehn | Max Wilhelm Dehn (November 13, 1878 – June 27, 1952) was a German mathematician most famous for his work in geometry, topology and geometric group theory. Dehn's early life and career took place in Germany. However, he was forced to retire in 1935 and eventually fled Germany in 1939 and emigrated to the United States.... | Max Dehn | [
"Mathematics"
] | 1,469 | [
"Topologists",
"Topology"
] |
570,662 | https://en.wikipedia.org/wiki/Wireless%20power%20transfer | Wireless power transfer (WPT; also wireless energy transmission or WET) is the transmission of electrical energy without wires as a physical link. In a wireless power transmission system, an electrically powered transmitter device generates a time-varying electromagnetic field that transmits power across space to a rec... | Wireless power transfer | [
"Engineering"
] | 9,453 | [
"Radio electronics",
"Electrical engineering",
"Electromagnetic compatibility"
] |
570,723 | https://en.wikipedia.org/wiki/Barograph | A barograph is a barometer that records the barometric pressure over time in graphical form. This instrument is also used to make a continuous recording of atmospheric pressure. The pressure-sensitive element, a partially evacuated metal cylinder, is linked to a pen arm in such a way that the vertical displacement of t... | Barograph | [
"Technology",
"Engineering"
] | 1,256 | [
"Meteorological instrumentation and equipment",
"Measuring instruments"
] |
570,749 | https://en.wikipedia.org/wiki/Laboratory%20information%20management%20system | A laboratory information management system (LIMS), sometimes referred to as a laboratory information system (LIS) or laboratory management system (LMS), is a software-based solution with features that support a modern laboratory's operations. Key features include—but are not limited to—workflow and data tracking suppor... | Laboratory information management system | [
"Technology",
"Biology"
] | 3,654 | [
"Information systems",
"Information technology",
"Health informatics",
"Medical technology"
] |
570,922 | https://en.wikipedia.org/wiki/Action%20at%20a%20distance | Action at a distance is the concept in physics that an object's motion can be affected by another object without the two being in physical contact; that is, it is the concept of the non-local interaction of objects that are separated in space. Coulomb's law and Newton's law of universal gravitation are based on action ... | Action at a distance | [
"Physics",
"Mathematics"
] | 3,137 | [
"Force",
"Physical quantities",
"Quantity",
"Mass",
"Classical mechanics",
"nan",
"Wikipedia categories named after physical quantities",
"Matter"
] |
571,100 | https://en.wikipedia.org/wiki/Penthouse%20apartment | A penthouse is an apartment or unit traditionally on the highest floor of an apartment building, condominium, hotel, or tower. Penthouses are typically differentiated from other apartments by luxury features. The term 'penthouse' originally referred, and sometimes still does refer, to a separate smaller 'house' that wa... | Penthouse apartment | [
"Technology"
] | 819 | [
"Structural system",
"Houses"
] |
571,107 | https://en.wikipedia.org/wiki/Kale%20%28moon%29 | Kale , also known as , is a retrograde irregular satellite of Jupiter. It was discovered in 2001 by astronomers Scott S. Sheppard, D. Jewitt, and J. Kleyna, and was originally designated as .
Kale is about in diameter, and orbits Jupiter at an average distance of in 736.55 days, at an inclination of 165° to the ecli... | Kale (moon) | [
"Astronomy"
] | 234 | [
"Astronomy stubs",
"Planetary science stubs"
] |
571,109 | https://en.wikipedia.org/wiki/Dirichlet%20problem | In mathematics, a Dirichlet problem asks for a function which solves a specified partial differential equation (PDE) in the interior of a given region that takes prescribed values on the boundary of the region.
The Dirichlet problem can be solved for many PDEs, although originally it was posed for Laplace's equation. ... | Dirichlet problem | [
"Mathematics"
] | 1,387 | [
"Functions and mappings",
"Mathematical objects",
"Potential theory",
"Mathematical relations",
"Mathematical problems"
] |
571,196 | https://en.wikipedia.org/wiki/Ophiocordyceps%20sinensis | Ophiocordyceps sinensis (synonym Cordyceps sinensis), known colloquially as caterpillar fungus, is an entomopathogenic fungus (a fungus that grows on insects) in the family Ophiocordycipitaceae. It is mainly found in the meadows above on the Tibetan Plateau in Tibet and the Himalayan regions of Bhutan, India, and Nepa... | Ophiocordyceps sinensis | [
"Biology"
] | 3,634 | [
"Fungi",
"Fungus species"
] |
571,274 | https://en.wikipedia.org/wiki/Drug%20discovery | In the fields of medicine, biotechnology, and pharmacology, drug discovery is the process by which new candidate medications are discovered.
Historically, drugs were discovered by identifying the active ingredient from traditional remedies or by serendipitous discovery, as with penicillin. More recently, chemical libr... | Drug discovery | [
"Chemistry",
"Biology"
] | 4,869 | [
"Life sciences industry",
"Medicinal chemistry",
"Drug discovery"
] |
571,280 | https://en.wikipedia.org/wiki/Stratification%20%28mathematics%29 | Stratification has several usages in mathematics.
In mathematical logic
In mathematical logic, stratification is any consistent assignment of numbers to predicate symbols guaranteeing that a unique formal interpretation of a logical theory exists. Specifically, we say that a set of clauses of the form is stratified ... | Stratification (mathematics) | [
"Mathematics"
] | 846 | [
"Set theory",
"Stratifications",
"Mathematical logic",
"Topology",
"nan"
] |
571,303 | https://en.wikipedia.org/wiki/Position-independent%20code | In computing, position-independent code (PIC) or position-independent executable (PIE) is a body of machine code that executes properly regardless of its memory address. PIC is commonly used for shared libraries, so that the same library code can be loaded at a location in each program's address space where it does not... | Position-independent code | [
"Technology"
] | 2,788 | [
"IT infrastructure",
"Computer libraries"
] |
571,325 | https://en.wikipedia.org/wiki/Sample%20and%20hold | In electronics, a sample and hold (also known as sample and follow) circuit is an analog device that samples (captures, takes) the voltage of a continuously varying analog signal and holds (locks, freezes) its value at a constant level for a specified minimum period of time. Sample and hold circuits and related peak de... | Sample and hold | [
"Engineering"
] | 946 | [
"Electronic engineering",
"Electronic circuits"
] |
571,341 | https://en.wikipedia.org/wiki/DOT%20%28graph%20description%20language%29 | DOT is a graph description language, developed as a part of the Graphviz project. DOT graphs are typically stored as files with the .gv or .dot filename extension — .gv is preferred, to avoid confusion with the .dot extension used by versions of Microsoft Word before 2007. dot is also the name of the main program to pr... | DOT (graph description language) | [
"Mathematics"
] | 1,210 | [
"Mathematical relations",
"Graph description languages",
"Graph theory",
"Mathematical software"
] |
571,427 | https://en.wikipedia.org/wiki/Deviancy%20amplification%20spiral | The deviancy amplification spiral and deviancy amplification are terms used by interactionist sociologists to refer to the way levels of deviance or crime can be increased by the societal reaction to deviance itself.
Origin of term
The process of deviancy amplification was first described by Leslie T. Wilkins.
Proces... | Deviancy amplification spiral | [
"Biology"
] | 789 | [
"Deviance (sociology)",
"Behavior",
"Human behavior"
] |
571,478 | https://en.wikipedia.org/wiki/Bambi%20effect | The "Bambi effect" is an objection against the killing of animals that are perceived as "cute" or "adorable", such as deer, while there may be little or no objection to the suffering of animals that are perceived as somehow repulsive or less than desirable, such as pigs or other woodland creatures.
Referring to a form... | Bambi effect | [
"Biology",
"Environmental_science"
] | 623 | [
"Biological hypotheses",
"Deep ecology",
"Biophilia hypothesis",
"Environmental ethics"
] |
571,480 | https://en.wikipedia.org/wiki/Absorbed%20dose | Absorbed dose is a dose quantity which is the measure of the energy deposited in matter by ionizing radiation per unit mass. Absorbed dose is used in the calculation of dose uptake in living tissue in both radiation protection (reduction of harmful effects), and radiology (potential beneficial effects, for example in ... | Absorbed dose | [
"Physics",
"Chemistry",
"Mathematics",
"Biology"
] | 1,726 | [
"Physical quantities",
"Quantity",
"Radiobiology",
"Radioactivity quantities",
"Radioactivity"
] |
571,538 | https://en.wikipedia.org/wiki/Syncytium | A syncytium (; : syncytia; from Greek: σύν syn "together" and κύτος kytos "box, i.e. cell") or symplasm is a multinucleate cell that can result from multiple cell fusions of uninuclear cells (i.e., cells with a single nucleus), in contrast to a coenocyte, which can result from multiple nuclear divisions without accompa... | Syncytium | [
"Chemistry",
"Biology"
] | 1,981 | [
"Histology",
"Cell biology",
"Microscopy"
] |
571,674 | https://en.wikipedia.org/wiki/Dragline%20excavator | A dragline excavator is a heavy-duty excavator used in civil engineering and surface mining. It was invented in 1904, and presented an immediate challenge to the steam shovel and its diesel and electric powered descendant, the power shovel. Much more efficient than even the largest of the latter, it enjoyed a heyday ... | Dragline excavator | [
"Engineering"
] | 3,517 | [
"Engineering vehicles",
"Draglines",
"Mining equipment"
] |
571,886 | https://en.wikipedia.org/wiki/Ferranti%20Mark%201 | The Ferranti Mark 1, also known as the Manchester Electronic Computer in its sales literature, and thus sometimes called the Manchester Ferranti, was produced by British electrical engineering firm Ferranti Ltd. It was the world's first commercially available electronic general-purpose stored program digital computer.... | Ferranti Mark 1 | [
"Technology"
] | 1,648 | [
"Serial computers",
"Computers"
] |
571,903 | https://en.wikipedia.org/wiki/Tencent%20QQ | Tencent QQ (), also known as QQ, is an instant messaging software service and web portal developed by the Chinese technology company Tencent. QQ offers services that provide online social games, music, shopping, microblogging, movies, and group and voice chat software. As of March 2023, there were 597 million monthly a... | Tencent QQ | [
"Technology"
] | 2,598 | [
"Instant messaging",
"Instant messaging clients"
] |
571,941 | https://en.wikipedia.org/wiki/Ethnobotany | Ethnobotany is an interdisciplinary field at the interface of natural and social sciences that studies the relationships between humans and plants. It focuses on traditional knowledge of how plants are used, managed, and perceived in human societies. Ethnobotany integrates knowledge from botany, anthropology, ecology, ... | Ethnobotany | [
"Chemistry"
] | 2,283 | [
"Pharmacology",
"Pharmacognosy"
] |
571,993 | https://en.wikipedia.org/wiki/Simulcast | Simulcast (a portmanteau of simultaneous broadcast) is the broadcasting of programs or events across more than one resolution, bitrate or medium, or more than one service on the same medium, at exactly the same time (that is, simultaneously). For example, Absolute Radio is simulcast on both AM and on satellite radio. L... | Simulcast | [
"Engineering"
] | 3,395 | [
"Broadcast engineering",
"Electronic engineering"
] |
572,293 | https://en.wikipedia.org/wiki/51%20Pegasi | 51 Pegasi (abbreviated 51 Peg), formally named Helvetios , is a Sun-like star located from Earth in the constellation of Pegasus. It was the first main-sequence star found to have an exoplanet (designated 51 Pegasi b, officially named Dimidium) orbiting it.
Properties
The star's apparent magnitude is 5.49, making it... | 51 Pegasi | [
"Astronomy"
] | 1,030 | [
"Maunder Minimum",
"Magnetism in astronomy",
"Pegasus (constellation)",
"Constellations"
] |
572,352 | https://en.wikipedia.org/wiki/Complete%20partial%20order | In mathematics, the phrase complete partial order is variously used to refer to at least three similar, but distinct, classes of partially ordered sets, characterized by particular completeness properties. Complete partial orders play a central role in theoretical computer science: in denotational semantics and domain ... | Complete partial order | [
"Mathematics"
] | 1,490 | [
"Order theory"
] |
572,382 | https://en.wikipedia.org/wiki/Continuity%20correction | In mathematics, a continuity correction is an adjustment made when a discrete object is approximated using a continuous object.
Examples
Binomial
If a random variable X has a binomial distribution with parameters n and p, i.e., X is distributed as the number of "successes" in n independent Bernoulli trials with prob... | Continuity correction | [
"Mathematics"
] | 433 | [
"Computational statistics",
"Computational mathematics"
] |
572,464 | https://en.wikipedia.org/wiki/Tomales%20Bay | Tomales Bay is a long, narrow inlet of the Pacific Ocean in Marin County in northern California in the United States.
Geography
Tomales Bay is approximately long and averages nearly wide, with relatively shallow depths averaging 18 ft, effectively separating the Point Reyes Peninsula from the mainland of Marin Cou... | Tomales Bay | [
"Chemistry",
"Biology"
] | 1,107 | [
"Places with bioluminescence",
"Bioluminescence"
] |
572,498 | https://en.wikipedia.org/wiki/Bell%20polynomials | In combinatorial mathematics, the Bell polynomials, named in honor of Eric Temple Bell, are used in the study of set partitions. They are related to Stirling and Bell numbers. They also occur in many applications, such as in Faà di Bruno's formula.
Definitions
Exponential Bell polynomials
The partial or incomplete ex... | Bell polynomials | [
"Mathematics"
] | 2,574 | [
"Polynomials",
"Enumerative combinatorics",
"Algebra",
"Combinatorics"
] |
572,813 | https://en.wikipedia.org/wiki/Sphericon | In solid geometry, the sphericon is a solid that has a continuous developable surface with two congruent, semi-circular edges, and four vertices that define a square. It is a member of a special family of rollers that, while being rolled on a flat surface, bring all the points of their surface to contact with the surfa... | Sphericon | [
"Mathematics"
] | 775 | [
"Geometric shapes",
"Mathematical objects",
"Geometric objects"
] |
573,016 | https://en.wikipedia.org/wiki/Office%20supplies | Office supplies are consumables and equipment regularly used in offices by businesses and other organizations, by individuals engaged in written communications, recordkeeping or bookkeeping, janitorial and cleaning, and for storage of supplies or data. The range of items classified as office supplies varies, and typica... | Office supplies | [
"Technology"
] | 901 | [
"Information and communications technology",
"Mass media technology"
] |
573,054 | https://en.wikipedia.org/wiki/Niter | Niter or nitre is the mineral form of potassium nitrate, KNO3. It is a soft, white, highly soluble mineral found primarily in arid climates or cave deposits.
Historically, the term niter was not well differentiated from natron, both of which have been very vaguely defined but generally refer to compounds of sodium or ... | Niter | [
"Chemistry"
] | 1,174 | [
"Potash",
"Salts"
] |
573,174 | https://en.wikipedia.org/wiki/Interior%20design | Interior design is the art and science of enhancing the interior of a building to achieve a healthier and more aesthetically pleasing environment for the people using the space. With a keen eye for detail and a creative flair, an interior designer is someone who plans, researches, coordinates, and manages such enhancem... | Interior design | [
"Engineering"
] | 6,356 | [
"Design",
"Architectural design",
"Architecture"
] |
573,343 | https://en.wikipedia.org/wiki/Refractory%20metals | Refractory metals are a class of metals that are extraordinarily resistant to heat and wear. The expression is mostly used in the context of materials science, metallurgy and engineering. The definition of which elements belong to this group differs. The most common definition includes five elements: two of the fifth p... | Refractory metals | [
"Physics",
"Chemistry",
"Materials_science",
"Engineering"
] | 2,616 | [
"Metals",
"Metallurgy",
"Refractory materials",
"Materials science",
"Refractory metals",
"Materials",
"Alloys",
"nan",
"Matter"
] |
573,489 | https://en.wikipedia.org/wiki/C3%20carbon%20fixation | {{DISPLAYTITLE: C3 carbon fixation}}
carbon fixation is the most common of three metabolic pathways for carbon fixation in photosynthesis, the other two being and CAM. This process converts carbon dioxide and ribulose bisphosphate (RuBP, a 5-carbon sugar) into two molecules of 3-phosphoglycerate through the followin... | C3 carbon fixation | [
"Chemistry",
"Biology"
] | 1,056 | [
"Metabolic pathways",
"Biochemistry",
"Metabolism",
"Photosynthesis"
] |
573,528 | https://en.wikipedia.org/wiki/Systems%20development%20life%20cycle | In systems engineering, information systems and software engineering, the systems development life cycle (SDLC), also referred to as the application development life cycle, is a process for planning, creating, testing, and deploying an information system. The SDLC concept applies to a range of hardware and software con... | Systems development life cycle | [
"Technology",
"Engineering"
] | 3,519 | [
"Systems engineering",
"Computing terminology",
"Computer engineering",
"Software engineering",
"Information technology"
] |
15,929,501 | https://en.wikipedia.org/wiki/Performance%20per%20watt | In computing, performance per watt is a measure of the energy efficiency of a particular computer architecture or computer hardware. Literally, it measures the rate of computation that can be delivered by a computer for every watt of power consumed. This rate is typically measured by performance on the LINPACK benchmar... | Performance per watt | [
"Physics",
"Technology",
"Engineering"
] | 1,843 | [
"Physical quantities",
"Computing comparisons",
"Computer performance",
"Computers and the environment",
"Power (physics)",
"Benchmarks (computing)",
"Electric power",
"Computing and society",
"Electrical engineering",
"Computers"
] |
15,930,975 | https://en.wikipedia.org/wiki/Fazlul%20Halim%20Chowdhury | Fazlul Halim Chowdhury (1 August 19309 April 1996) was a fellow of the Bangladesh Academy of Sciences and one of the longest-serving Vice-Chancellors of the University of Dhaka. He made pioneering contributions to the development of physical chemistry in Bangladesh, publishing more than 20 articles. He focused on cellu... | Fazlul Halim Chowdhury | [
"Chemistry"
] | 523 | [
"Physical chemists"
] |
15,931,153 | https://en.wikipedia.org/wiki/Model%20complete%20theory | In model theory, a first-order theory is called model complete if every embedding of its models is an elementary embedding.
Equivalently, every first-order formula is equivalent to a universal formula.
This notion was introduced by Abraham Robinson.
Model companion and model completion
A companion of a theory T is ... | Model complete theory | [
"Mathematics"
] | 500 | [
"Mathematical logic",
"Model theory"
] |
15,931,374 | https://en.wikipedia.org/wiki/Low-flush%20toilet | A low-flush toilet (or low-flow toilet or high-efficiency toilet) is a flush toilet that uses significantly less water than traditional high-flow toilets. Before the early 1990s in the United States, standard flush toilets typically required at least 3.5 gallons (13.2 litres) per flush and they used float valves that o... | Low-flush toilet | [
"Biology"
] | 689 | [
"Excretion",
"Toilets"
] |
15,932,284 | https://en.wikipedia.org/wiki/Microscopy%20Society%20of%20America | The Microscopy Society of America (MSA), founded in 1942 as The Electron Microscope Society of America, is a non-profit organization that provides microanalytical facilities for studies within the sciences. Currently, there are approximately 3000 members. The society holds an annual meeting, which is usually held in th... | Microscopy Society of America | [
"Chemistry"
] | 1,472 | [
"Microscopy organizations",
"Microscopy"
] |
15,932,531 | https://en.wikipedia.org/wiki/Weak%20focusing | Weak focusing occurs in particle accelerators when charged particles are passing through uniform magnetic fields, causing them to move in circular paths due to the Lorentz force. Because of the circular movement, the orbits of two particles with slightly different positions may approximate or even cross each other.
Be... | Weak focusing | [
"Physics"
] | 163 | [
"Applied and interdisciplinary physics",
"Accelerator physics",
"Experimental physics"
] |
15,933,523 | https://en.wikipedia.org/wiki/Xi%20Aquilae%20b | Xi Aquilae b (abbreviated ξ Aquilae b, ξ Aql b), formally named Fortitudo , is an extrasolar planet approximately 184 light-years from the Sun in the constellation of Aquila. The planet was discovered orbiting the yellow giant star Xi Aquilae in 2008. The planet has a minimum mass of 2.8 Jupiter and a period of 137 day... | Xi Aquilae b | [
"Astronomy"
] | 268 | [
"Aquila (constellation)",
"Constellations"
] |
15,933,750 | https://en.wikipedia.org/wiki/Forking%20extension | In model theory, a forking extension of a type is an extension of that type that is not whereas a non-forking extension is an extension that is as free as possible. This can be used to extend the notions of linear or algebraic independence to stable theories. These concepts were introduced by S. Shelah.
Definitions
S... | Forking extension | [
"Mathematics"
] | 313 | [
"Applied mathematics",
"Mathematical logic",
"Applied mathematics stubs",
"Model theory"
] |
15,933,761 | https://en.wikipedia.org/wiki/41%20Lyncis%20b | 41 Lyncis b (abbreviated 41 Lyn b), also designated HD 81688 b and named Arkas , is an extrasolar planet approximately 280 light-years from Earth in the constellation of Ursa Major.
A gas giant with a minimum mass 2.7 times that of Jupiter, it orbits the K-type star 41 Lyncis with an orbital period of 184 days (corres... | 41 Lyncis b | [
"Astronomy"
] | 250 | [
"Ursa Major",
"Constellations"
] |
15,933,895 | https://en.wikipedia.org/wiki/18%20Delphini%20b | 18 Delphini b (abbreviated 18 Del b), formally named Arion , is an extrasolar planet approximately 249 light-years away in the constellation of Delphinus.
The 993-day period planet orbits the yellow giant star 18 Delphini. A very massive and dense planet with a minimum mass of , it was discovered on February 19, 2008,... | 18 Delphini b | [
"Astronomy"
] | 263 | [
"Delphinus",
"Constellations"
] |
2,977,685 | https://en.wikipedia.org/wiki/Ball%20flower | The ball-flower (also written ballflower) is an architectural ornament in the form of a ball inserted in the cup of a flower. It came into use in the latter part of the 13th century in England and became one of the chief ornaments of the 14th century, in the period known as Decorated Gothic.
Ball-flowers were generall... | Ball flower | [
"Mathematics"
] | 188 | [
"Symbols",
"Visual motifs"
] |
2,977,752 | https://en.wikipedia.org/wiki/Hartogs%20number | In mathematics, specifically in axiomatic set theory, a Hartogs number is an ordinal number associated with a set. In particular, if X is any set, then the Hartogs number of X is the least ordinal α such that there is no injection from α into X. If X can be well-ordered then the cardinal number of α is a minimal cardi... | Hartogs number | [
"Mathematics"
] | 799 | [
"Cardinal numbers",
"Set theory",
"Mathematical logic",
"Mathematical objects",
"Infinity",
"Numbers"
] |
2,977,884 | https://en.wikipedia.org/wiki/Conjugation%20of%20isometries%20in%20Euclidean%20space | In a group, the conjugate by g of h is ghg−1.
Translation
If h is a translation, then its conjugation by an isometry can be described as applying the isometry to the translation:
the conjugation of a translation by a translation is the first translation
the conjugation of a translation by a rotation is a translation b... | Conjugation of isometries in Euclidean space | [
"Physics",
"Mathematics"
] | 1,268 | [
"Functions and mappings",
"Euclidean symmetries",
"Mathematical objects",
"Group theory",
"Fields of abstract algebra",
"Mathematical relations",
"Symmetry"
] |
2,977,910 | https://en.wikipedia.org/wiki/N-skeleton | In mathematics, particularly in algebraic topology, the of a topological space presented as a simplicial complex (resp. CW complex) refers to the subspace that is the union of the simplices of (resp. cells of ) of dimensions In other words, given an inductive definition of a complex, the is obtained by stopping a... | N-skeleton | [
"Mathematics"
] | 526 | [
"General topology",
"Fields of abstract algebra",
"Topology",
"Algebraic topology"
] |
2,977,958 | https://en.wikipedia.org/wiki/Cyanocarbon | In organic chemistry, cyanocarbons are a group of chemical compounds that contain several cyanide functional groups. Such substances generally are classified as organic compounds, since they are formally derived from hydrocarbons by replacing one or more hydrogen atoms with a cyanide group. One of the simplest member i... | Cyanocarbon | [
"Chemistry"
] | 327 | [
"Functional groups",
"Organic compounds",
"Nitriles",
"Organic compound stubs",
"Organic chemistry stubs"
] |
2,977,969 | https://en.wikipedia.org/wiki/Cycloamylose | Cycloamyloses are cyclic α-1,4 linked glucans comprising dozens or hundreds of glucose units. Chemically they are similar to the much smaller cyclodextrins, which are typically composed of 6, 7 or 8 glucose units.
Discovery
Cycloamyloses were discovered as a result of studies of the function of 4-α-glucanotransferase... | Cycloamylose | [
"Chemistry"
] | 458 | [
"Organic compounds",
"Carbohydrates",
"Macrocycles",
"Polysaccharides"
] |
2,978,009 | https://en.wikipedia.org/wiki/Cytochemistry | Cytochemistry is the branch of cell biology dealing with the detection of cell constituents by means of biochemical analysis and visualization techniques. This is the study of the localization of cellular components through the use of staining methods. The term is also used to describe a process of identification of th... | Cytochemistry | [
"Chemistry",
"Biology"
] | 533 | [
"Biochemistry",
"Cell biology",
"nan"
] |
2,978,014 | https://en.wikipedia.org/wiki/Extended%20Enterprise%20Modeling%20Language | Extended Enterprise Modeling Language (EEML) in software engineering is a modelling language used for enterprise modelling across a number of layers.
Overview
Extended Enterprise Modeling Language (EEML) is a modelling language which combines structural modelling, business process modelling, goal modelling with goal h... | Extended Enterprise Modeling Language | [
"Engineering"
] | 2,182 | [
"Systems engineering",
"Enterprise modelling"
] |
2,978,122 | https://en.wikipedia.org/wiki/ISO%207001 | ISO 7001 ("public information symbols") is a standard published by the International Organization for Standardization that defines a set of pictograms and symbols for public information. The latest version, ISO 7001:2023, was published in February 2023.
The set is the result of extensive testing in several countries ... | ISO 7001 | [
"Mathematics"
] | 992 | [
"Symbols",
"Pictograms"
] |
2,978,244 | https://en.wikipedia.org/wiki/Bezant%C3%A9e | Bezantée, bezantie or bezanty is an ornamentation consisting of roundels. The word derives from bezant, a gold coin from the Byzantine Empire, which was in common European use until circa 1250.
In architecture, bezantée moulding was much used in the Norman period.
In heraldry the word is shorthand for semé of bezants... | Bezantée | [
"Technology",
"Engineering"
] | 210 | [
"Building engineering",
"Architectural elements",
"Components",
"Architecture"
] |
2,978,269 | https://en.wikipedia.org/wiki/Bice | Bice, from the French bis, originally meaning dark-coloured, is a green or blue pigment. In French the terms vert bis and azur bis mean dark green and dark blue respectively. Bice pigments were generally prepared from basic copper carbonates, but sometimes ultramarine or other pigments were used.
Historic usage
In 152... | Bice | [
"Chemistry"
] | 372 | [
"Inorganic pigments",
"Inorganic compounds"
] |
2,978,332 | https://en.wikipedia.org/wiki/Cathodic%20arc%20deposition | Cathodic arc deposition or Arc-PVD is a physical vapor deposition technique in which an electric arc is used to vaporize material from a cathode target. The vaporized material then condenses on a substrate, forming a thin film. The technique can be used to deposit metallic, ceramic, and composite films.
History
Indus... | Cathodic arc deposition | [
"Chemistry",
"Materials_science",
"Mathematics"
] | 1,595 | [
"Thin film deposition",
"Coatings",
"Thin films",
"Planes (geometry)",
"Solid state engineering"
] |
2,978,525 | https://en.wikipedia.org/wiki/Pinacotheca | A pinacotheca (Latin borrowing from = + ) was a picture gallery in either ancient Greece or ancient Rome. The name is specifically used for the building containing pictures which formed the left wing of the Propylaea on the Acropolis at Athens, Greece. Though Pausanias speaks of the pictures "which time had not effac... | Pinacotheca | [
"Engineering"
] | 402 | [
"Rooms",
"Architecture"
] |
2,978,799 | https://en.wikipedia.org/wiki/Hartogs%27s%20theorem%20on%20separate%20holomorphicity | In mathematics, Hartogs's theorem is a fundamental result of Friedrich Hartogs in the theory of several complex variables. Roughly speaking, it states that a 'separately analytic' function is continuous. More precisely, if is a function which is analytic in each variable zi, 1 ≤ i ≤ n, while the other variables are h... | Hartogs's theorem on separate holomorphicity | [
"Mathematics"
] | 329 | [
"Theorems in mathematical analysis",
"Functions and mappings",
"Several complex variables",
"Theorems in complex analysis",
"Mathematical objects",
"Mathematical relations"
] |
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