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https://en.wikipedia.org/wiki/Hurewicz%20space | In mathematics, a Hurewicz space is a topological space that satisfies a certain basic selection principle that generalizes σ-compactness. A Hurewicz space is a space in which for every sequence of open covers of the space there are finite sets such that every point of the space belongs to all but finitely many sets ... |
https://en.wikipedia.org/wiki/Coulomb%20collision | A Coulomb collision is a binary elastic collision between two charged particles interacting through their own electric field. As with any inverse-square law, the resulting trajectories of the colliding particles is a hyperbolic Keplerian orbit. This type of collision is common in plasmas where the typical kinetic energ... |
https://en.wikipedia.org/wiki/Head%20grammar | Head grammar (HG) is a grammar formalism introduced in Carl Pollard (1984) as an extension of the context-free grammar class of grammars. Head grammar is therefore a type of phrase structure grammar, as opposed to a dependency grammar. The class of head grammars is a subset of the linear context-free rewriting systems.... |
https://en.wikipedia.org/wiki/Plant%20nucleus%20movement | Plant nucleus movement is the movement of the cell nucleus in plants by the cytoskeleton.
In response to stimuli
An important aspect of plant behavior includes responding to directional stimuli, which requires changes in the cellular signaling to control spatial elements. The integration of the stimuli in plant cells... |
https://en.wikipedia.org/wiki/BESYS | BESYS (Bell Operating System) was an early computing environment originally implemented as a batch processing operating system in 1957 at Bell Labs for the IBM 704 computer.
Overview
The system was developed because Bell recognized a "definite mismatch…between the 704's internal speed, the sluggishness of its on-line ... |
https://en.wikipedia.org/wiki/Sweep%20generator | A sweep generator is a piece of electronic test equipment similar to, and sometimes included on, a function generator which creates an electrical waveform with a linearly varying frequency and a constant amplitude. Sweep generators are commonly used to test the frequency response of electronic filter circuits. These ... |
https://en.wikipedia.org/wiki/Magnetospheric%20eternally%20collapsing%20object | The magnetospheric eternally collapsing object (MECO) is an alternative model for black holes initially proposed by Indian scientist Abhas Mitra in 1998 and later generalized by American researchers Darryl J. Leiter and Stanley L. Robertson. A proposed observable difference between MECOs and black holes is that a MECO ... |
https://en.wikipedia.org/wiki/US%20FWS%20John%20R.%20Manning | US FWS John R. Manning (FWS 1002) was an American fisheries research vessel in commission in the fleet of the United States Fish and Wildlife Service from 1950 to 1969. She explored the Pacific Ocean in search of commercially valuable populations of fish and shellfish. After the end of her Fish and Wildlife Service car... |
https://en.wikipedia.org/wiki/Germs%3A%20Biological%20Weapons%20and%20America%27s%20Secret%20War | Germs: Biological Weapons and America's Secret War is a 2001 book written by New York Times journalists Judith Miller, Stephen Engelberg, and William Broad. It describes how humanity has dealt with biological weapons, and the dangers of bioterrorism. It was the 2001 New York Times #1 Non-Fiction Bestseller the weeks o... |
https://en.wikipedia.org/wiki/Ancillary%20data | Ancillary data is data that has been added to given data and uses the same form of transport. Common examples are cover art images for media files or streams, or digital data added to radio or television broadcasts.
Television
Ancillary data (commonly abbreviated as ANC data), in the context of television systems, re... |
https://en.wikipedia.org/wiki/Triaugmented%20dodecahedron | In geometry, the triaugmented dodecahedron is one of the Johnson solids (). It can be seen as a dodecahedron with three pentagonal pyramids () attached to nonadjacent faces. When pyramids are attached to a dodecahedron in other ways, they may result in an augmented dodecahedron (), a parabiaugmented dodecahedron (), a ... |
https://en.wikipedia.org/wiki/Hashcash | Hashcash is a proof-of-work system used to limit E-mail spam and denial-of-service attacks. Hashcash was proposed in 1997 by Adam Back and described more formally in Back's 2002 paper "Hashcash - A Denial of Service Counter-Measure".
Background
The idea "...to require a user to compute a moderately hard, but not intra... |
https://en.wikipedia.org/wiki/Andre%20G.%20Journel | André Georges Journel is a French American engineer who excelled in formulating and promoting geostatistics in the earth sciences and engineering, first from the Centre of Mathematical Morphology in Fontainebleau, France and later from Stanford University.
In 1998, Journel was elected a member of the National Academy ... |
https://en.wikipedia.org/wiki/Proton%20computed%20tomography | Proton computed tomography (pCT), or proton CT, is an imaging modality first proposed by Cormack in 1963 and initial experiment explorations identified several advantages over conventional X-ray CT (xCT). However, particle interactions such as multiple Coulomb scattering (MCS) and (in)elastic nuclear scattering event... |
https://en.wikipedia.org/wiki/Van%20der%20Waerden%27s%20theorem | Van der Waerden's theorem is a theorem in the branch of mathematics called Ramsey theory. Van der Waerden's theorem states that for any given positive integers r and k, there is some number N such that if the integers {1, 2, ..., N} are colored, each with one of r different colors, then there are at least k integers i... |
https://en.wikipedia.org/wiki/Sesquipower | In mathematics, a sesquipower or Zimin word is a string over an alphabet with identical prefix and suffix. Sesquipowers are unavoidable patterns, in the sense that all sufficiently long strings contain one.
Formal definition
Formally, let A be an alphabet and A∗ be the free monoid of finite strings over A. Every non-... |
https://en.wikipedia.org/wiki/Universal%20code%20%28data%20compression%29 | In data compression, a universal code for integers is a prefix code that maps the positive integers onto binary codewords, with the additional property that whatever the true probability distribution on integers, as long as the distribution is monotonic (i.e., p(i) ≥ p(i + 1) for all positive i), the expected lengths ... |
https://en.wikipedia.org/wiki/Emilio%20Aguinaldo | Emilio Aguinaldo y Famy (: March 22, 1869February 6, 1964) was a Filipino revolutionary, statesman, and military leader who is the youngest president of the Philippines (1899–1901) and became the first president of the Philippines and of an Asian constitutional republic. He led the Philippine forces first against Spai... |
https://en.wikipedia.org/wiki/Principal%20value | In mathematics, specifically complex analysis, the principal values of a multivalued function are the values along one chosen branch of that function, so that it is single-valued. A simple case arises in taking the square root of a positive real number. For example, 4 has two square roots: 2 and −2; of these the positi... |
https://en.wikipedia.org/wiki/Entropy%20of%20network%20ensembles | A set of networks that satisfies given structural characteristics can be treated as a network ensemble. Brought up by Ginestra Bianconi in 2007, the entropy of a network ensemble measures the level of the order or uncertainty of a network ensemble.
The entropy is the logarithm of the number of graphs. Entropy can also... |
https://en.wikipedia.org/wiki/NOAA%20Observing%20System%20Architecture | The NOAA Observing System Architecture (NOSA) is a collection of over 100 of the environmental datasets of the National Oceanic and Atmospheric Administration (NOAA) . It was established to develop an observational architecture that helps NOAA to design observing systems that support NOAA's mission, avoid duplication o... |
https://en.wikipedia.org/wiki/Armenian%20dram%20sign | The Armenian dram sign (֏, image: ; ; code: AMD) is the currency sign of the Armenian dram. In Unicode, it is encoded at .
After its proclamation of independence, Armenia put into circulation its own national currency, the Armenian dram, and the need for a monetary sign became immediately apparent. The shape chosen is... |
https://en.wikipedia.org/wiki/Xenophagy | Xenophagy (Greek "strange" + "eating") and allotrophy (Greek "other" + "nutrient") are changes in established patterns of biological consumption, by individuals or groups.
In entomology, xenophagy is a categorical change in diet, such as an herbivore becoming carnivorous, a predator becoming necrophagous, a coprophag... |
https://en.wikipedia.org/wiki/Wolf%20Szmuness | Wolf Szmuness (March 12, 1919 – June 6, 1982) was a Polish-born epidemiologist who emigrated 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 prove... |
https://en.wikipedia.org/wiki/BF%20model | The BF model or BF theory is a topological field, which when quantized, becomes a topological quantum field theory. BF stands for background field B and F, as can be seen below, are also the variables appearing in the Lagrangian of the theory, which is helpful as a mnemonic device.
We have a 4-dimensional differentia... |
https://en.wikipedia.org/wiki/Mitchell%E2%80%93Netravali%20filters | The Mitchell–Netravali filters or BC-splines are a group of reconstruction filters used primarily in computer graphics, which can be used, for example, for anti-aliasing or for scaling raster graphics. They are also known as bicubic filters in image editing programs because they are bi-dimensional cubic splines.
Defin... |
https://en.wikipedia.org/wiki/Melomics | Melomics (derived from "genomics of melodies") is a computational system for the automatic composition of music (with no human intervention), based on bioinspired algorithms.
Technological aspects
Melomics applies an evolutionary approach to music composition, i.e., music pieces are obtained by simulated evolution. T... |
https://en.wikipedia.org/wiki/Markov%20chain | A Markov chain or Markov process is a stochastic model describing a sequence of possible events in which the probability of each event depends only on the state attained in the previous event. Informally, this may be thought of as, "What happens next depends only on the state of affairs now." A countably infinite seque... |
https://en.wikipedia.org/wiki/Changeset | In version control software, a changeset (also known as commit and revision) is a set of alterations packaged together, along with meta-information about the alterations. A changeset describes the exact differences between two successive versions in the version control system's repository of changes. Changesets are t... |
https://en.wikipedia.org/wiki/Ectodysplasin%20A%20receptor | Ectodysplasin A receptor (EDAR) is a protein that in humans is encoded by the EDAR gene. EDAR is a cell surface receptor for ectodysplasin A which plays an important role in the development of ectodermal tissues such as the skin. It is structurally related to members of the TNF receptor superfamily.
Function
EDAR and... |
https://en.wikipedia.org/wiki/Semicircle | In mathematics (and more specifically geometry), a semicircle is a one-dimensional locus of points that forms half of a circle. It is a circular arc that measures 180° (equivalently, radians, or a half-turn). It has only one line of symmetry (reflection symmetry).
In non-technical usage, the term "semicircle" is som... |
https://en.wikipedia.org/wiki/The%20Dancing%20Wu%20Li%20Masters | The Dancing Wu Li Masters is a 1979 book by Gary Zukav, a popular science work exploring modern physics, and quantum phenomena in particular. It was awarded a 1980 U.S. National Book Award in category of Science. Although it explores empirical topics in modern physics research, The Dancing Wu Li Masters gained attent... |
https://en.wikipedia.org/wiki/Secret%20Files%3A%20Tunguska | Secret Files: Tunguska (German: Geheimakte Tunguska) is a 2006 graphic adventure video game developed by German studios Fusionsphere Systems and Animation Arts and published by Deep Silver for Microsoft Windows, Nintendo DS, Wii, iOS, Android, Wii U and Nintendo Switch. The game is the start of the Secret Files trilog... |
https://en.wikipedia.org/wiki/Bromoviridae | Bromoviridae is a family of viruses. Plants serve as natural hosts. There are six genera in the family.
Taxonomy
The following genera are assigned to the family:
Alfamovirus
Anulavirus
Bromovirus
Cucumovirus
Ilarvirus
Oleavirus
Structure
Viruses in the family Bromoviridae are non-enveloped, with icosahedral and... |
https://en.wikipedia.org/wiki/164th%20meridian%20west | The meridian 164° west of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, North America, the Pacific Ocean, the Southern Ocean, and Antarctica to the South Pole.
The 164th meridian west forms a great circle with the 16th meridian east.
From Pole to Pole
Starting at the North... |
https://en.wikipedia.org/wiki/Link%20protection | Link protection is designed to safeguard networks from failure. Failures in high-speed networks have always been a concern of utmost importance. A single fiber cut can lead to heavy losses of traffic and protection-switching techniques have been used as the key source to ensure survivability in networks. Survivability ... |
https://en.wikipedia.org/wiki/Standard-Model%20Extension | Standard-Model Extension (SME) is an effective field theory that contains the Standard Model, general relativity, and all possible operators that break Lorentz symmetry.
Violations of this fundamental symmetry can be studied within this general framework. CPT violation implies the breaking of Lorentz symmetry,
and the ... |
https://en.wikipedia.org/wiki/Urachus | The urachus is a fibrous remnant of the allantois, a canal that drains the urinary bladder of the fetus that joins and runs within the umbilical cord. The fibrous remnant lies in the space of Retzius, between the transverse fascia anteriorly and the peritoneum posteriorly.
Development
The part of the urogenital sinus ... |
https://en.wikipedia.org/wiki/Batrachology | Batrachology is the branch of zoology concerned with the study of amphibians including frogs and toads, salamanders, newts, and caecilians. It is a sub-discipline of herpetology, which also includes non-avian reptiles (snakes, lizards, amphisbaenids, turtles, terrapins, tortoises, crocodilians, and the tuatara). Batrac... |
https://en.wikipedia.org/wiki/Mand%20%28psychology%29 | Mand is a term that B.F. Skinner used to describe a verbal operant in which the response is reinforced by a characteristic consequence and is therefore under the functional control of relevant conditions of deprivation or aversive stimulation. One cannot determine, based on form alone, whether a response is a mand; it ... |
https://en.wikipedia.org/wiki/Methylisothiazolinone | Methylisothiazolinone, MIT, or MI, is the organic compound with the formula S(CH)2C(O)NCH3. It is a white solid. Isothiazolinones, a class of heterocycles, are used as biocides in numerous personal care products and other industrial applications. MIT and related compounds have attracted much attention for their allerge... |
https://en.wikipedia.org/wiki/Linear%20least%20squares | Linear least squares (LLS) is the least squares approximation of linear functions to data.
It is a set of formulations for solving statistical problems involved in linear regression, including variants for ordinary (unweighted), weighted, and generalized (correlated) residuals.
Numerical methods for linear least square... |
https://en.wikipedia.org/wiki/Non-mevalonate%20pathway | The non-mevalonate pathway—also appearing as the mevalonate-independent pathway and the 2-C-methyl-D-erythritol 4-phosphate/1-deoxy-D-xylulose 5-phosphate (MEP/DOXP) pathway—is an alternative metabolic pathway for the biosynthesis of the isoprenoid precursors isopentenyl pyrophosphate (IPP) and dimethylallyl pyrophosph... |
https://en.wikipedia.org/wiki/Environmental%20profit%20and%20loss%20account | An environmental profit and loss account (E P&L) is a company's monetary valuation and analysis of its environmental impacts including its business operations and its supply chain from cradle-to-gate.
An E P&L internalizes externalities and monetizes the cost of business to nature by accounting for the ecosystem servic... |
https://en.wikipedia.org/wiki/Hypholoma%20capnoides | Hypholoma capnoides is an edible mushroom in the family Strophariaceae. Like its poisonous relative H. fasciculare ("sulphur tuft"), H. capnoides grows in clusters on decaying wood, for example in tufts on old tree stumps, in North America, Europe, and Asia.
Edibility
Though edible, the poisonous sulphur tuft is more ... |
https://en.wikipedia.org/wiki/NNDB | The Notable Names Database (NNDB) is an online database of biographical details of over 40,000 people. Soylent Communications, a sole proprietorship that also hosted the now-defunct Rotten.com, describes NNDB as an "intelligence aggregator" of noteworthy persons, highlighting their interpersonal connections. The Rotten... |
https://en.wikipedia.org/wiki/Nordic%20Labour%20Journal | Nordic Labour Journal is an online magazine published by the Norwegian Work Research Institute in Oslo on commission from the Nordic Council of Ministers. The magazine was launched in 1996. The main focus is the labour market, work environments and labour law within the Nordic models, which are based on collective agre... |
https://en.wikipedia.org/wiki/Registration%20Data%20Access%20Protocol | The Registration Data Access Protocol (RDAP) is a computer network communications protocol standardized by a working group at the Internet Engineering Task Force in 2015, after experimental developments and thorough discussions. It is a successor to the WHOIS protocol, used to look up relevant registration data from s... |
https://en.wikipedia.org/wiki/Test%20plan | A test plan is a document detailing the objectives, resources, and processes for a specific test session for a software or hardware product. The plan typically contains a detailed understanding of the eventual workflow.
Test plans
A test plan documents the strategy that will be used to verify and ensure that a product... |
https://en.wikipedia.org/wiki/Magnesium%20hydroxide | Magnesium hydroxide is the inorganic compound with the chemical formula Mg(OH)2. It occurs in nature as the mineral brucite. It is a white solid with low solubility in water (). Magnesium hydroxide is a common component of antacids, such as milk of magnesia.
Preparation
Treating the solution of different soluble magne... |
https://en.wikipedia.org/wiki/Current%20density | In electromagnetism, current density is the amount of charge per unit time that flows through a unit area of a chosen cross section. The current density vector is defined as a vector whose magnitude is the electric current per cross-sectional area at a given point in space, its direction being that of the motion of the... |
https://en.wikipedia.org/wiki/Toomre%27s%20stability%20criterion | In astrophysics, Toomre's stability criterion (also known as the Safronov–Toomre criterion) is a relationship between parameters of a differentially rotating, gaseous accretion disc which can be used to determine approximately whether the system is stable. In the case of a stationary gas, the Jeans stability criterion... |
https://en.wikipedia.org/wiki/Phobotaxis | Phobotaxis is a random behavioral response to all forms of aversive stimuli. A positive phobic response is one in which either activity is increased or the organism moves toward the stimulus, while a negative phobic response is when activity is decreased or the organism moves away from the stimulus. On the bacterial le... |
https://en.wikipedia.org/wiki/El%20Ni%C3%B1o%E2%80%93Southern%20Oscillation | El Niño–Southern Oscillation (ENSO) is an irregular periodic variation in winds and sea surface temperatures over the tropical eastern Pacific Ocean, affecting the climate of much of the tropics and subtropics. The warming phase of the sea temperature is known as El Niño and the cooling phase as La Niña. The Southern O... |
https://en.wikipedia.org/wiki/Body%20of%20constant%20brightness | In convex geometry, a body of constant brightness is a three-dimensional convex set all of whose two-dimensional projections have equal area. A sphere is a body of constant brightness, but others exist. Bodies of constant brightness are a generalization of curves of constant width, but are not the same as another gener... |
https://en.wikipedia.org/wiki/Michael%20Guy | Michael J. T. Guy (born 1 April 1943) is a British computer scientist and mathematician. He is known for early work on computer systems, such as the Phoenix system at the University of Cambridge, and for contributions to number theory, computer algebra, and the theory of polyhedra in higher dimensions. He worked closel... |
https://en.wikipedia.org/wiki/Altos%20586 | The Altos 586 was a multi-user microcomputer intended for the business market. It was introduced by Altos Computer Systems in 1983. A configuration with 512 kB of RAM, an Intel 8086 processor, Microsoft Xenix, and 10 MB hard drive cost about US$8,000. 3Com offered this Altos 586 product as a file server for their IBM ... |
https://en.wikipedia.org/wiki/Almadroc | Almadroc is a garlic-cheese sauce from medieval Catalan cuisine from the Llibre de Sent Soví. There is a similar recipe in the Llibre del Coch by Rupert de Nola for almadrote, a similar recipe for a sauce made with garlic, eggs, cheese and broth that was served with partridge. In modern usage it refers to an oil, garli... |
https://en.wikipedia.org/wiki/Superluminescent%20diode | A superluminescent diode (SLED or SLD) is an edge-emitting semiconductor light source based on superluminescence. It combines the high power and brightness of laser diodes with the low coherence of conventional light-emitting diodes. Its emission optical bandwidth, also described as full-width at half maximum, can rang... |
https://en.wikipedia.org/wiki/OpenSonATA | Open SonATA stands for Open SETI on the Allen Telescope Array and is the open source version of the software are used for signal detection by the SETI Institute on the Allen Telescope Array (ATA). The software currently runs on Linux and macOS operating systems and is intended to be ported to multiple platforms. The Al... |
https://en.wikipedia.org/wiki/HERAS-AF |
The HERASAF Project
HERASAF is a well established open-source XACML 2.0 implementation.
It provides an extended implementation of the XACML 2.0 standard.
It is freely available, established and based on future driven technologies and standards. |
https://en.wikipedia.org/wiki/Mobile%20journalism | Mobile journalism is a form of multimedia newsgathering and storytelling that enables journalists to document, edit and share news using small, network connected devices like smartphones.
Mobile journalists report in video, audio, photography, and graphics using apps on their portable devices.
Such reporters, sometim... |
https://en.wikipedia.org/wiki/Thurston%20norm | In mathematics, the Thurston norm is a function on the second homology group of an oriented 3-manifold introduced by William Thurston, which measures in a natural way the topological complexity of homology classes represented by surfaces.
Definition
Let be a differentiable manifold and . Then can be represented by ... |
https://en.wikipedia.org/wiki/Fecal%20impaction | A fecal impaction or an impacted bowel is a solid, immobile bulk of feces that can develop in the rectum as a result of chronic constipation (a related term is fecal loading which refers to a large volume of stool in the rectum of any consistency). Fecal impaction is a common result of neurogenic bowel dysfunction and ... |
https://en.wikipedia.org/wiki/Ruble%20sign | The ruble sign, , is the currency sign used for the Russian ruble, the official currency of Russia. Its form is a Cyrillic letter Р with an additional horizontal stroke. The design was approved on 11 December 2013 after a public poll that took place a month earlier.
In Russian orthography, the sign almost always fo... |
https://en.wikipedia.org/wiki/Isometamidium%20chloride | Isometamidium chloride is a triazene trypanocidal agent used in veterinary medicine.
It consists of a single ethidium bromide like subunit linked to a fragment of the diminazene molecule.
Resistance
The Gibe River Valley in southwest Ethiopia showed universal resistance between July 1989 and February 1993. This likel... |
https://en.wikipedia.org/wiki/Properties%20of%20nonmetals%20%28and%20metalloids%29%20by%20group | Nonmetals show more variability in their properties than do metals. Metalloids are included here since they behave predominately as chemically weak nonmetals.
Physically, they nearly all exist as diatomic or monatomic gases, or polyatomic solids having more substantial (open-packed) forms and relatively small atomic r... |
https://en.wikipedia.org/wiki/Countercurrent%20exchange | Countercurrent exchange is a mechanism occurring in nature and mimicked in industry and engineering, in which there is a crossover of some property, usually heat or some chemical, between two flowing bodies flowing in opposite directions to each other. The flowing bodies can be liquids, gases, or even solid powders, or... |
https://en.wikipedia.org/wiki/The%204%20Percent%20Universe | The 4 Percent Universe: Dark Matter, Dark Energy, and the Race to Discover the Rest of Reality is a nonfiction book by writer and professor Richard Panek and published by Houghton Mifflin Harcourt on January 10, 2011.
In October 2011, the Nobel Prize in Physics was awarded to Saul Perlmutter, Brian Schmidt, and Adam R... |
https://en.wikipedia.org/wiki/Monovalent%20cation%3Aproton%20antiporter-3 | The Monovalent Cation (K+ or Na+):Proton Antiporter-3 (CPA3) Family (TC# 2.A.63) is a member of the Na+ transporting Mrp superfamily. The CPA3 family consists of bacterial multicomponent K+:H+ and Na+:H+ antiporters. The best characterized systems are the PhaABCDEFG system of Sinorhizobium meliloti (TC# 2.A.63.1.1) tha... |
https://en.wikipedia.org/wiki/Truthful%20resource%20allocation | Truthful resource allocation is the problem of allocating resources among agents with different valuations over the resources, such that agents are incentivized to reveal their true valuations over the resources.
Model
There are m resources that are assumed to be homogeneous and divisible. Examples are:
Materials, ... |
https://en.wikipedia.org/wiki/Jordan%20and%20Einstein%20frames | The Lagrangian in scalar-tensor theory can be expressed in the Jordan frame in which the scalar field or some function of it multiplies the Ricci scalar, or in the Einstein frame in which Ricci scalar is not multiplied by the scalar field. There exist various transformations between these frames. Despite the fact th... |
https://en.wikipedia.org/wiki/Protein%20methylation | Protein methylation is a type of post-translational modification featuring the addition of methyl groups to proteins. It can occur on the nitrogen-containing side-chains of arginine and lysine, but also at the amino- and carboxy-termini of a number of different proteins. In biology, methyltransferases catalyze the meth... |
https://en.wikipedia.org/wiki/CompTox%20Chemicals%20Dashboard | The CompTox Chemicals Dashboard is a freely accessible online database created and maintained by the U.S. Environmental Protection Agency (EPA). The database provides access to multiple types of data including physicochemical properties, environmental fate and transport, exposure, usage, in vivo toxicity, and in vitro ... |
https://en.wikipedia.org/wiki/Human%20embryonic%20development | Human embryonic development, or human embryogenesis, is the development and formation of the human embryo. It is characterised by the processes of cell division and cellular differentiation of the embryo that occurs during the early stages of development. In biological terms, the development of the human body entails g... |
https://en.wikipedia.org/wiki/Managed%20private%20cloud | Managed private cloud (also known as "hosted private cloud") refers to a principle in software architecture where a single instance of the software runs on a server, serves a single client organization (tenant), and is managed by a third party. The third-party provider is responsible for providing the hardware for the ... |
https://en.wikipedia.org/wiki/Perceptual%20quantizer | The perceptual quantizer (PQ), published by SMPTE as SMPTE ST 2084, is a transfer function that allows for HDR display by replacing the gamma curve used in SDR. It is capable of representing luminance level up to 10000 cd/m2 (nits) and down to 0.0001 nits. It has been developed by Dolby and standardized in 2014 by SMPT... |
https://en.wikipedia.org/wiki/Chirikov%20criterion | The Chirikov criterion or Chirikov resonance-overlap criterion
was established by the Russian physicist Boris Chirikov.
Back in 1959, he published a seminal article,
where he introduced the very first physical criterion for the onset of chaotic motion in
deterministic Hamiltonian systems. He then applied such a criter... |
https://en.wikipedia.org/wiki/Solanidine | Solanidine is a poisonous steroidal alkaloid chemical compound that occurs in plants of the family Solanaceae, such as potato and Solanum americanum. Human ingestion of solanidine also occurs via the consumption of the glycoalkaloids, α-solanine and α-chaconine, present in potatoes. The sugar portion of these glycoalka... |
https://en.wikipedia.org/wiki/Send%20tape%20echo%20echo%20delay | Send tape echo echo delay (more commonly known as STEED, alternatively known as single tape echo and echo delay) is a technique used in magnetic tape sound recording to apply a delay effect using tape loops and echo chambers.
In 2006, while publicising his memoir (Here, There, and Everywhere: My Life Recording the Mus... |
https://en.wikipedia.org/wiki/Discrete%20transform | In signal processing, discrete transforms are mathematical transforms, often linear transforms, of signals between discrete domains, such as between discrete time and discrete frequency.
Many common integral transforms used in signal processing have their discrete counterparts. For example, for the Fourier transform t... |
https://en.wikipedia.org/wiki/744%20%28number%29 | 744 (seven hundred [and] forty four) is the natural number following 743 and preceding 745.
744 plays a major role within moonshine theory of sporadic groups, in context of the classification of finite simple groups.
Number theory
744 is the nineteenth number of the form where , and represent distinct prime num... |
https://en.wikipedia.org/wiki/Framework%20for%20integrated%20test | Framework for Integrated Test, or "Fit", is an open-source (GNU GPL v2) tool for automated customer tests. It integrates the work of customers, analysts, testers, and developers.
Customers provide examples of how their software should work. Those examples are then connected to the software with programmer-written test... |
https://en.wikipedia.org/wiki/GE-200%20series | The GE-200 series was a family of small mainframe computers of the 1960s, built by General Electric (GE). GE marketing called the line Compatibles/200 (GE-205/215/225/235). The GE-210 of 1960 was not compatible with the rest of the 200 series.
200 series models
The main machine in the line was the GE-225 (1961). It u... |
https://en.wikipedia.org/wiki/Louvain%20method | The Louvain method for community detection is a method to extract non-overlapping communities from large networks created by Blondel et al. from the University of Louvain (the source of this method's name). The method is a greedy optimization method that appears to run in time where is the number of nodes in the netw... |
https://en.wikipedia.org/wiki/Carbon-carbon%20bond%20activation | Carbon-carbon bond activation refers to the breaking of carbon-carbon bonds in organic molecules. This process is an important tool in organic synthesis, as it allows for the formation of new carbon-carbon bonds and the construction of complex organic molecules. However, C–C bond activation is challenging mainly for th... |
https://en.wikipedia.org/wiki/Weierstrass%E2%80%93Enneper%20parameterization | In mathematics, the Weierstrass–Enneper parameterization of minimal surfaces is a classical piece of differential geometry.
Alfred Enneper and Karl Weierstrass studied minimal surfaces as far back as 1863.
Let and be functions on either the entire complex plane or the unit disk, where is meromorphic and is analyt... |
https://en.wikipedia.org/wiki/BESM | BESM (БЭСМ) is the series of Soviet mainframe computers built in 1950–60s. The name is an acronym for "Bolshaya (or Bystrodeystvuyushchaya) Elektronno-schotnaya Mashina" ("Большая электронно-счётная машина" or "Быстродействующая электронно-счётная машина"), meaning "Big Electronic Computing Machine" or "High-Speed Ele... |
https://en.wikipedia.org/wiki/Non-integer%20base%20of%20numeration | A non-integer representation uses non-integer numbers as the radix, or base, of a positional numeral system. For a non-integer radix β > 1, the value of
is
The numbers di are non-negative integers less than β. This is also known as a β-expansion, a notion introduced by and first studied in detail by . Every real n... |
https://en.wikipedia.org/wiki/Future%20interests%20%28actuarial%20science%29 | Future interests is the subset of actuarial math that divides enjoyment of property -- usually the right to an income stream either from an annuity, a trust, royalties, or rents -- based usually on the future survival of one or more persons (natural humans, not juridical persons such as corporations).
Actuarial scienc... |
https://en.wikipedia.org/wiki/Math%20Blaster%21 | Math Blaster! is a 1983 edutainment video game, and the first entry in the "Math Blaster" series within the Blaster Learning System created by Davidson & Associates. The game was developed by former educator Jan Davidson. It would be revised and ported to newer hardware and operating systems, with enhanced versions reb... |
https://en.wikipedia.org/wiki/Affect%20control%20theory | In control theory, affect control theory proposes that individuals maintain affective meanings through their actions and interpretations of events. The activity of social institutions occurs through maintenance of culturally based affective meanings.
Affective meaning
Besides a denotative meaning, every concept has an... |
https://en.wikipedia.org/wiki/Chromatrope | A chromatrope is a type of magic lantern slide that produces dazzling, colorful geometrical patterns set in motion by rotating two painted glass discs in opposite directions, originally with a double pulley mechanism but later usually with a rackwork mechanism.
The chromatrope was probably invented in the year 1841 (o... |
https://en.wikipedia.org/wiki/Hitachi%20Flora%20Prius | The Hitachi Flora Prius was a range of personal computers marketed in Japan by Hitachi, Ltd. during the late 1990s.
The Flora Prius was preinstalled with both Microsoft Windows 98 as well as BeOS. It did not, however, have a dual-boot option as Microsoft reminded Hitachi of the terms of the Windows OEM license. In ef... |
https://en.wikipedia.org/wiki/Gigamacro | A gigapixel macro image is a digital image bitmap composed of one billion (109) pixels (picture elements), or 1000 times the information captured by a 1 megapixel digital camera. Creating such high-resolution images involves making mosaics (image stitching) of a large number of high-resolution digital photographs which... |
https://en.wikipedia.org/wiki/Lie%20product%20formula | In mathematics, the Lie product formula, named for Sophus Lie (1875), but also widely called the Trotter product formula, named after Hale Trotter, states that for arbitrary m × m real or complex matrices A and B,
where eA denotes the matrix exponential of A. The Lie–Trotter product formula and the Trotter–Kato theo... |
https://en.wikipedia.org/wiki/Optica%20Fellow | The Optica Fellow is a membership designation of Optica (formerly known as The Optical Society (OSA)) that denotes distinguished scientific accomplishment. The bylaws of this society only allow 10% of its membership to be designated as an Optica Fellow. The Optica Fellow requires peer group nomination.
The nominee
An ... |
https://en.wikipedia.org/wiki/Acidophile | Acidophiles or acidophilic organisms are those that thrive under highly acidic conditions (usually at pH 5.0 or below). These organisms can be found in different branches of the tree of life, including Archaea, Bacteria, and Eukarya.
Examples
A list of these organisms includes:
Archaea
Sulfolobales, an order in the... |
https://en.wikipedia.org/wiki/LeetCode | LeetCode is an online platform for coding interview preparation. The service provides coding and algorithmic problems intended for users to practice coding. LeetCode has gained popularity among job seekers and coding enthusiasts as a resource for technical interviews and coding competitions.
Features
LeetCode offers ... |
https://en.wikipedia.org/wiki/Women%27s%20medicine%20in%20antiquity | Childbirth and obstetrics in Classical Antiquity (here meaning the ancient Greco-Roman world) were studied by the physicians of ancient Greece and Rome. Their ideas and practices during this time endured in Western medicine for centuries and many themes are seen in modern women's health. Classical gynecology and obstet... |
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