source stringlengths 31 227 | text stringlengths 9 2k |
|---|---|
https://en.wikipedia.org/wiki/National%20Chicken%20Council | The National Chicken Council (NCC) is a non-profit trade association based in Washington, D.C. that represents the interests of the United States chicken industry to the United States Congress and United States federal agencies. The association changed its name to the NCC from the National Broiler Council in 1999.
Mem... |
https://en.wikipedia.org/wiki/Plasma%20Physics%20Laboratory%20%28Saskatchewan%29 | The Plasma Physics Laboratory at the University of Saskatchewan was established in 1959 by H. M. Skarsgard. Early work centered on research with a Betatron.
Facilities
STOR-1M
STOR-1M is Canada's first tokamak built in 1983. In 1987 STOR-1M was the world’s first demonstration of alternating current in a tokamak.
ST... |
https://en.wikipedia.org/wiki/Range%20%28particle%20radiation%29 | In passing through matter, charged particles ionize and thus lose energy in many steps, until their energy is (almost) zero. The distance to this point is called the range of the particle. The range depends on the type of particle, on its initial energy and on the material through which it passes.
For example, if the ... |
https://en.wikipedia.org/wiki/Flag%20of%20Mars | A flag of Mars is a concept of a possible flag design, meant to symbolize the planet Mars or to represent a fictional Martian government, in works of fiction.
Proposed flags
Thomas O. Paine's design
Thomas O. Paine, who served as the third Administrator of NASA, designed a Mars flag in 1984. Paine's Mars flag includ... |
https://en.wikipedia.org/wiki/Self-Protecting%20Digital%20Content | Self Protecting Digital Content (SPDC), is a copy protection (digital rights management) architecture which allows restriction of access to, and copying of, the next generation of optical discs and streaming/downloadable content.
Overview
Designed by Cryptography Research, Inc. of San Francisco, SPDC executes code ... |
https://en.wikipedia.org/wiki/4-Androstene-3%2C6%2C17-trione | 4-Androstene-3,6,17-trione (4-AT; also marketed as 6-OXO or 4-etioallocholen-3,6,17-trione) is a drug or nutritional supplement that may increase the testosterone-estrogen ratio, but has no proven effect on body composition. Its use can be detected in urine.
4-AT is a potent irreversible aromatase inhibitor that inhib... |
https://en.wikipedia.org/wiki/Isle%20of%20Wight%20Garlic%20Festival | The Isle of Wight Garlic Festival is a fundraising event that is held annually on the Isle of Wight to support the island's garlic industry, as well as fundraising for other agricultural farms on the island.
History
The Garlic Festival has been held every year since 1983, except 2020-21 when officials cited the COVID-... |
https://en.wikipedia.org/wiki/Clinical%20supervision | Supervision is used in counselling, psychotherapy, and other mental health disciplines as well as many other professions engaged in working with people. Supervision may be applied as well to practitioners in somatic disciplines for their preparatory work for patients as well as collateral with patients. Supervision is ... |
https://en.wikipedia.org/wiki/Stopping%20power%20%28particle%20radiation%29 | In nuclear and materials physics, stopping power is the retarding force acting on charged particles, typically alpha and beta particles, due to interaction with matter, resulting in loss of particle kinetic energy.
Stopping power is also interpreted as the rate at which a material absorbs the kinetic energy of a charg... |
https://en.wikipedia.org/wiki/Getting%20the%20wind%20knocked%20out%20of%20you | Getting the wind knocked out of you is an idiom that refers to the difficulty of breathing and temporary paralysis of the diaphragm caused by reflex diaphragmatic spasm when sudden force is applied to the upper central region of the abdomen and solar plexus. This often happens in contact sports, from a forceful blow to... |
https://en.wikipedia.org/wiki/Tallyman | A tallyman is an individual who keeps a numerical record with tally marks, historically often on tally sticks.
Vote counter
In Ireland, it is common for political parties to provide private observers when ballot boxes are opened. These tallymen keep a tally of the preferences of visible voting papers and allow an e... |
https://en.wikipedia.org/wiki/Maxwell%20bridge | A Maxwell bridge is a modification to a Wheatstone bridge used to measure an unknown inductance (usually of low Q value) in terms of calibrated resistance and inductance or resistance and capacitance. When the calibrated components are a parallel resistor and capacitor, the bridge is known as a Maxwell bridge. It is n... |
https://en.wikipedia.org/wiki/Multiple%20complex%20developmental%20disorder | Multiple complex developmental disorder (MCDD) is a research category, proposed to involve several neurological and psychological symptoms where at least some symptoms are first noticed during early childhood and persist throughout life. It was originally suggested to be a subtype of pervasive developmental disorders (... |
https://en.wikipedia.org/wiki/Biomolecular%20structure | Biomolecular structure is the intricate folded, three-dimensional shape that is formed by a molecule of protein, DNA, or RNA, and that is important to its function. The structure of these molecules may be considered at any of several length scales ranging from the level of individual atoms to the relationships among e... |
https://en.wikipedia.org/wiki/Mitotic%20recombination | Mitotic recombination is a type of genetic recombination that may occur in somatic cells during their preparation for mitosis in both sexual and asexual organisms. In asexual organisms, the study of mitotic recombination is one way to understand genetic linkage because it is the only source of recombination within an ... |
https://en.wikipedia.org/wiki/SiRFstarIII | SiRFstarIII is a range of high sensitivity GPS microcontroller chips manufactured by SiRF Technology. GPS microcontroller chips interpret signals from GPS satellites and determine the position of the GPS receiver. It was announced in 2004.
Features
SiRFstarIII features:
A 20-channel receiver, which can process the s... |
https://en.wikipedia.org/wiki/Yojimbo%20%28software%29 | Yojimbo is a personal information manager for MacOS by Bare Bones Software. It can store notes, images and media, URLs, web pages, and passwords. Yojimbo can also encrypt any of its contents and store the password in the Keychain. It is Bare Bones' second Cocoa application.
History
Yojimbo was first released on Janua... |
https://en.wikipedia.org/wiki/Ku%20%28protein%29 | Ku is a dimeric protein complex that binds to DNA double-strand break ends and is required for the non-homologous end joining (NHEJ) pathway of DNA repair. Ku is evolutionarily conserved from bacteria to humans. The ancestral bacterial Ku is a homodimer (two copies of the same protein bound to each other). Eukaryotic... |
https://en.wikipedia.org/wiki/Aircrack-ng | Aircrack-ng is a network software suite consisting of a detector, packet sniffer, WEP and WPA/WPA2-PSK cracker and analysis tool for 802.11 wireless LANs. It works with any wireless network interface controller whose driver supports raw monitoring mode and can sniff 802.11a, 802.11b and 802.11g traffic. Packages are re... |
https://en.wikipedia.org/wiki/Non-interference%20%28security%29 | Noninterference is a strict multilevel security policy model, first described by Goguen and Meseguer in 1982, and amplified further in 1984.
Introduction
In simple terms, a computer is modeled as a machine with inputs and outputs. Inputs and outputs are classified as either low (low sensitivity, not highly classified)... |
https://en.wikipedia.org/wiki/Recursive%20grammar | In computer science, a grammar is informally called a recursive grammar if it contains production rules that are recursive, meaning that expanding a non-terminal according to these rules can eventually lead to a string that includes the same non-terminal again. Otherwise it is called a non-recursive grammar.
For examp... |
https://en.wikipedia.org/wiki/FLAGS%20register | The FLAGS register is the status register that contains the current state of an x86 CPU. The size and meanings of the flag bits are architecture dependent. It usually reflects the result of arithmetic operations as well as information about restrictions placed on the CPU operation at the current time. Some of those res... |
https://en.wikipedia.org/wiki/Gempack | GEMPACK (General Equilibrium Modelling PACKage) is a modeling system for CGE economic models, used at the Centre of Policy Studies (CoPS) in Melbourne, Australia, and sold to other CGE modellers.
Some of the more well-known CGE models solved using GEMPACK are the GTAP model of world trade, and the MONASH, MMRF, ORANI-... |
https://en.wikipedia.org/wiki/Pixelplus | Pixel Plus, is a proprietary digital filter image processing technology developed by Philips, who claims that it enhances the display of analogue broadcast signals on their TVs.
Pixel Plus interpolates the broadcast signal to increase the picture size by one third, from 625 lines to 833 lines. It also doubles the hori... |
https://en.wikipedia.org/wiki/Vinca%20alkaloid | Vinca alkaloids are a set of anti-mitotic and anti-microtubule alkaloid agents originally derived from the periwinkle plant Catharanthus roseus (basionym Vinca rosea) and other vinca plants. They block beta-tubulin polymerization in a dividing cell.
Sources
The Madagascan periwinkle Catharanthus roseus L. is the sour... |
https://en.wikipedia.org/wiki/List%20of%20desktop%20publishing%20software | The following is a list of major desktop publishing software. A wide range of related software tools exist in this field including many plug-ins and tools related to the applications listed below.
Several software directories provide more comprehensive listings of desktop publishing software, including VersionTracker ... |
https://en.wikipedia.org/wiki/Initiation%20factor | Initiation factors are proteins that bind to the small subunit of the ribosome during the initiation of translation, a part of protein biosynthesis.
Initiation factors can interact with repressors to slow down or prevent translation. They have the ability to interact with activators to help them start or increase the ... |
https://en.wikipedia.org/wiki/Mercury%28II%29%20iodide | Mercury(II) iodide is a chemical compound with the molecular formula HgI2. It is typically produced synthetically but can also be found in nature as the extremely rare mineral coccinite. Unlike the related mercury(II) chloride it is hardly soluble in water (<100 ppm).
Production
Mercury(II) iodide is produced by addin... |
https://en.wikipedia.org/wiki/Computable%20general%20equilibrium | Computable general equilibrium (CGE) models are a class of economic models that use actual economic data to estimate how an economy might react to changes in policy, technology or other external factors. CGE models are also referred to as AGE (applied general equilibrium) models.
Overview
A CGE model consists of equa... |
https://en.wikipedia.org/wiki/Park%20Grass%20Experiment | The Park Grass Experiment is a biological study originally set up to test the effect of fertilizers and manures on hay yields. The scientific experiment is located at the Rothamsted Research in the English county of Hertfordshire, and is notable as one of the longest-running experiments of modern science, as it was ini... |
https://en.wikipedia.org/wiki/Applied%20general%20equilibrium | In mathematical economics, applied general equilibrium (AGE) models were pioneered by Herbert Scarf at Yale University in 1967, in two papers, and a follow-up book with Terje Hansen in 1973, with the aim of empirically estimating the Arrow–Debreu model of general equilibrium theory with empirical data, to provide "“a g... |
https://en.wikipedia.org/wiki/Potassium%20acetate | Potassium acetate (also called potassium ethanoate), (CH3COOK) is the potassium salt of acetic acid. It is a hygroscopic solid at room temperature.
Preparation
It can be prepared by treating a potassium-containing base such as potassium hydroxide or potassium carbonate with acetic acid:
CH3COOH + KOH → CH3COOK + H2O
... |
https://en.wikipedia.org/wiki/Government%20Paperwork%20Elimination%20Act | The Government Paperwork Elimination Act (GPEA, Title XVII) requires that, when practicable, federal agencies use electronic forms, electronic filing, and electronic signatures to conduct official business with the public by 2003. In doing this, agencies will create records with business, legal and, in some cases, his... |
https://en.wikipedia.org/wiki/Postage%20stamp%20problem | The postage stamp problem is a mathematical riddle that asks what is the smallest postage value which cannot be placed on an envelope, if the latter can hold only a limited number of stamps, and these may only have certain specified face values.
For example, suppose the envelope can hold only three stamps, and the ava... |
https://en.wikipedia.org/wiki/Metaplasticity | Metaplasticity is a term originally coined by W.C. Abraham and M.F. Bear to refer to the plasticity of synaptic plasticity. Until that time synaptic plasticity had referred to the plastic nature of individual synapses. However this new form referred to the plasticity of the plasticity itself, thus the term meta-plastic... |
https://en.wikipedia.org/wiki/Unihemispheric%20slow-wave%20sleep | Unihemispheric slow-wave sleep (USWS) is sleep where one half of the brain rests while the other half remains alert. This is in contrast to normal sleep where both eyes are shut and both halves of the brain show unconsciousness. In USWS, also known as asymmetric slow-wave sleep, one half of the brain is in deep sleep, ... |
https://en.wikipedia.org/wiki/Trivers%E2%80%93Willard%20hypothesis | In evolutionary biology and evolutionary psychology, the Trivers–Willard hypothesis, formally proposed by Robert Trivers and Dan Willard in 1973, suggests that female mammals adjust the sex ratio of offspring in response to maternal condition, so as to maximize their reproductive success (fitness). For example, it may ... |
https://en.wikipedia.org/wiki/Firefly%20luciferin | Firefly luciferin (also known as beetle luciferin) is the luciferin, or light-emitting compound, used for the firefly (Lampyridae), railroad worm (Phengodidae), starworm (Rhagophthalmidae), and click-beetle (Pyrophorini) bioluminescent systems. It is the substrate of luciferase (EC 1.13.12.7), which is responsible for ... |
https://en.wikipedia.org/wiki/Gyration%20tensor | In physics, the gyration tensor is a tensor that describes the second moments of position of a collection of particles
where is the
Cartesian coordinate of the position vector of the
particle. The origin of the coordinate system has been chosen such that
i.e. in the system of the center of mass . Where
Anothe... |
https://en.wikipedia.org/wiki/Active-pixel%20sensor | An active-pixel sensor (APS) is an image sensor, which was invented by Peter J.W. Noble in 1968, where each pixel sensor unit cell has a photodetector (typically a pinned photodiode) and one or more active transistors. In a metal–oxide–semiconductor (MOS) active-pixel sensor, MOS field-effect transistors (MOSFETs) are ... |
https://en.wikipedia.org/wiki/LCS35 | LCS35 is a cryptographic challenge and a puzzle set by Ron Rivest in 1999. The challenge is to calculate the value
where t is a 14-digit (or 47-bit) integer, namely 79685186856218, and n is a 616 digit (or 2048 bit) integer which is the product of two large primes (which are not given). The value of w can then be used... |
https://en.wikipedia.org/wiki/God%27s%20algorithm | God's algorithm is a notion originating in discussions of ways to solve the Rubik's Cube puzzle, but which can also be applied to other combinatorial puzzles and mathematical games. It refers to any algorithm which produces a solution having the fewest possible moves. The allusion to the deity is based on the notion th... |
https://en.wikipedia.org/wiki/HTTP%20cookie | HTTP cookies (also called web cookies, Internet cookies, browser cookies, or simply cookies) are small blocks of data created by a web server while a user is browsing a website and placed on the user's computer or other device by the user's web browser. Cookies are placed on the device used to access a website, and mor... |
https://en.wikipedia.org/wiki/Aristaeus%20the%20Elder | Aristaeus the Elder (; 370 – 300 BC) was a Greek mathematician who worked on conic sections. He was a contemporary of Euclid.
Life
Only little is known of his life. The mathematician Pappus of Alexandria refers to him as Aristaeus the Elder. Pappus gave Aristaeus great credit for a work entitled Five Books concerning ... |
https://en.wikipedia.org/wiki/Buccopharyngeal%20membrane | The region where the crescentic masses of the ectoderm and endoderm come into direct contact with each other constitutes a thin membrane, the buccopharyngeal membrane (or oropharyngeal membrane), which forms a septum between the primitive mouth and pharynx. In front of the buccopharyngeal area, where the lateral cresce... |
https://en.wikipedia.org/wiki/Widom%20scaling | Widom scaling (after Benjamin Widom) is a hypothesis in statistical mechanics regarding the free energy of a magnetic system near its critical point which leads to the critical exponents becoming no longer independent so that they can be parameterized in terms of two values. The hypothesis can be seen to arise as a nat... |
https://en.wikipedia.org/wiki/Square%20lattice%20Ising%20model | In statistical mechanics, the two-dimensional square lattice Ising model is a simple lattice model of interacting magnetic spins. The model is notable for having nontrivial interactions, yet having an analytical solution. The model was solved by Lars Onsager for the special case that the external magnetic field H = 0. ... |
https://en.wikipedia.org/wiki/Glossary%20of%20entomology%20terms | This glossary of entomology describes terms used in the formal study of insect species by entomologists.
A–C
A synthetic chlorinated hydrocarbon insecticide, toxic to vertebrates. Though its phytotoxicity is low, solvents in some formulations may damage certain crops. cf. the related Dieldrin, Endrin, Isodrin
D–F
... |
https://en.wikipedia.org/wiki/Singapore%20Mathematical%20Olympiad | The Singapore Mathematical Olympiad (SMO) is a mathematics competition organised by the Singapore Mathematical Society. It comprises three sections, Junior, Senior and Open, each of which is open to all pre-university students studying in Singapore who meet the age requirements for the particular section. The competiti... |
https://en.wikipedia.org/wiki/Mawsonites | Mawsonites is a fossil genus dating to the Ediacaran Period from 635 – 539 million years ago during the Precambrian era. The fossils consist of a rounded diamond shape, made up from lobes radiating out from a central circle roughly 12 cm in diameter. There are about 19 radiations from the central circle.
The type spec... |
https://en.wikipedia.org/wiki/Mass%20distribution | In physics and mechanics, mass distribution is the spatial distribution of mass within a solid body. In principle, it is relevant also for gases or liquids, but on Earth their mass distribution is almost homogeneous.
Astronomy
In astronomy mass distribution has decisive influence on the development e.g. of nebulae, st... |
https://en.wikipedia.org/wiki/Sterile%20male%20plant | Sterile male plants are plants which are incapable of producing pollen. This is sometimes attributed to mutations in the mitochondrial DNA which affects the Tapetum cells in anthers which are responsible for nursing developing pollen. The mutations cause the breakdown of the mitochondria in these specific cells and res... |
https://en.wikipedia.org/wiki/Venezuelan%20equine%20encephalitis%20virus | Venezuelan equine encephalitis virus is a mosquito-borne viral pathogen that causes Venezuelan equine encephalitis or encephalomyelitis (VEE). VEE can affect all equine species, such as horses, donkeys, and zebras. After infection, equines may suddenly die or show progressive central nervous system disorders. Humans al... |
https://en.wikipedia.org/wiki/Jonathan%20Partington | Jonathan Richard Partington (born 4 February 1955) is an English mathematician who is Emeritus Professor of pure mathematics at the University of Leeds.
Education
Professor Partington was educated at Gresham's School, Holt, and Trinity College, Cambridge, where he completed his PhD thesis entitled "Numerical ranges an... |
https://en.wikipedia.org/wiki/Fibre%20Channel%20network%20protocols | Communication between devices in a fibre channel network uses different elements of Fibre Channel standards.
Transmission words and ordered sets
All Fibre Channel communication is done in units of four 10-bit codes. This group of 4 codes is called a transmission word.
An ordered set is a transmission word that includ... |
https://en.wikipedia.org/wiki/Gerchberg%E2%80%93Saxton%20algorithm | The Gerchberg–Saxton (GS) algorithm is an iterative phase retrieval algorithm for retrieving the phase of a complex-valued wavefront from two intensity measurements acquired in two different planes. Typically, the two planes are the image plane and the far field (diffraction) plane, and the wavefront propagation betwee... |
https://en.wikipedia.org/wiki/Lattice%20Boltzmann%20methods | The lattice Boltzmann methods (LBM), originated from the lattice gas automata (LGA) method (Hardy-Pomeau-Pazzis and Frisch-Hasslacher-Pomeau models), is a class of computational fluid dynamics (CFD) methods for fluid simulation. Instead of solving the Navier–Stokes equations directly, a fluid density on a lattice is si... |
https://en.wikipedia.org/wiki/Level%20of%20free%20convection | The level of free convection (LFC) is the altitude in the atmosphere where an air parcel lifted adiabatically until saturation becomes warmer than the environment at the same level, so that positive buoyancy can initiate self-sustained convection.
Finding the LFC
The usual way of finding the LFC is to lift a parcel fr... |
https://en.wikipedia.org/wiki/Sorption | Sorption is a physical and chemical process by which one substance becomes attached to another. Specific cases of sorption are treated in the following articles:
Absorption "the incorporation of a substance in one state into another of a different state" (e.g., liquids being absorbed by a solid or gases being absorbed... |
https://en.wikipedia.org/wiki/Siegel%E2%80%93Walfisz%20theorem | In analytic number theory, the Siegel–Walfisz theorem was obtained by Arnold Walfisz as an application of a theorem by Carl Ludwig Siegel to primes in arithmetic progressions. It is a refinement both of the prime number theorem and of Dirichlet's theorem on primes in arithmetic progressions.
Statement
Define
where d... |
https://en.wikipedia.org/wiki/Prime%20gap | A prime gap is the difference between two successive prime numbers. The n-th prime gap, denoted gn or g(pn) is the difference between the (n + 1)-st and the n-th prime numbers, i.e.
We have g1 = 1, g2 = g3 = 2, and g4 = 4. The sequence (gn) of prime gaps has been extensively studied; however, many questions and conjec... |
https://en.wikipedia.org/wiki/Pseudonormal%20space | In mathematics, in the field of topology, a topological space is said to be pseudonormal if given two disjoint closed sets in it, one of which is countable, there are disjoint open sets containing them. Note the following:
Every normal space is pseudonormal.
Every pseudonormal space is regular.
An example of a pseud... |
https://en.wikipedia.org/wiki/Perfect%20set | In general topology, a subset of a topological space is perfect if it is closed and has no isolated points. Equivalently: the set is perfect if , where denotes the set of all limit points of , also known as the derived set of .
In a perfect set, every point can be approximated arbitrarily well by other points from ... |
https://en.wikipedia.org/wiki/Machinist%20calculator | A machinist calculator is a hand-held calculator programmed with built-in formulas making it easy and quick for machinists to establish speeds, feeds and time without guesswork or conversion charts. Formulas may include revolutions per minute (RPM), surface feet per minute (SFM), inches per minute (IPM), feed per tooth... |
https://en.wikipedia.org/wiki/Chip%20PC%20Technologies | Chip PC Technologies is a developer and manufacturer of thin client solutions and management software for server-based computing; where in a network architecture applications are deployed, managed and can be fully executed on the server.
History
Chip PC was founded in 2000 by Aviv Soffer and Ora Meir Soffer and raised... |
https://en.wikipedia.org/wiki/Ugly%20duckling%20theorem | The ugly duckling theorem is an argument showing that classification is not really possible without some sort of bias. More particularly, it assumes finitely many properties combinable by logical connectives, and finitely many objects; it asserts that any two different objects share the same number of (extensional) pro... |
https://en.wikipedia.org/wiki/Dice%20notation | Dice notation (also known as dice algebra, common dice notation, RPG dice notation, and several other titles) is a system to represent different combinations of dice in wargames and tabletop role-playing games using simple algebra-like notation such as d8+2.
Standard notation
In most tabletop role-playing games, die... |
https://en.wikipedia.org/wiki/Black%20hole%20%28networking%29 | In networking, a black hole, also known as a block hole, refers to a place in the network where incoming or outgoing traffic is silently discarded (or "dropped"), without informing the source that the data did not reach its intended recipient.
When examining the topology of the network, the black holes themselves are ... |
https://en.wikipedia.org/wiki/Regular%20tree%20grammar | In theoretical computer science and formal language theory, a regular tree grammar is a formal grammar that describes a set of directed trees, or terms. A regular word grammar can be seen as a special kind of regular tree grammar, describing a set of single-path trees.
Definition
A regular tree grammar G is defined b... |
https://en.wikipedia.org/wiki/WiiConnect24 | WiiConnect24 was a feature of the Nintendo Wi-Fi Connection for the Wii console. It was first announced at Electronic Entertainment Expo (E3) in mid-2006 by Nintendo. It enabled the user to remain connected to the Internet while the console was on standby. For example, in Animal Crossing: City Folk, a friend could send... |
https://en.wikipedia.org/wiki/Walam%20Olum | The Walam Olum, Walum Olum or Wallam Olum, usually translated as "Red Record" or "Red Score", is purportedly a historical narrative of the Lenape (Delaware) Native American tribe. The document has provoked controversy as to its authenticity since its publication in the 1830s by botanist and antiquarian Constantine Samu... |
https://en.wikipedia.org/wiki/Nuclear%20magnetic%20resonance%20quantum%20computer | Nuclear magnetic resonance quantum computing (NMRQC) is one of the several proposed approaches for constructing a quantum computer, that uses the spin states of nuclei within molecules as qubits. The quantum states are probed through the nuclear magnetic resonances, allowing the system to be implemented as a variation ... |
https://en.wikipedia.org/wiki/Cuzick%E2%80%93Edwards%20test | In statistics, the Cuzick–Edwards test is a significance test whose aim is to detect the possible clustering of sub-populations within a clustered or non-uniformly-spread overall population. Possible applications of the test include examining the spatial clustering of childhood leukemia and lymphoma within the general ... |
https://en.wikipedia.org/wiki/Extraordinary%20optical%20transmission | Extraordinary optical transmission (EOT) is the phenomenon of greatly enhanced transmission of light through a subwavelength aperture in an otherwise opaque metallic film which has been patterned with a regularly repeating periodic structure. Generally when light of a certain wavelength falls on a subwavelength apertu... |
https://en.wikipedia.org/wiki/Electromechanical%20coupling%20coefficient | The electromechanical coupling coefficient is a numerical measure of the conversion efficiency between electrical and acoustic energy in piezoelectric materials.
Qualitatively the electromechanical coupling coefficient, k, can be described as: |
https://en.wikipedia.org/wiki/Autapomorphy | In phylogenetics, an autapomorphy is a distinctive feature, known as a derived trait, that is unique to a given taxon. That is, it is found only in one taxon, but not found in any others or outgroup taxa, not even those most closely related to the focal taxon (which may be a species, family or in general any clade). I... |
https://en.wikipedia.org/wiki/Prelink | In computing, prebinding, also called prelinking, is a method for optimizing application load times by resolving library symbols prior to launch.
Background
Most computer programs consist of code that requires external shared libraries to execute. These libraries are normally integrated with the program at run time ... |
https://en.wikipedia.org/wiki/Kurchatov%20Medal | The Kurchatov Medal, or the Gold Medal in honour of Igor Kurchatov is an award given for outstanding achievements in nuclear physics and in the field of nuclear energy. The USSR Academy of Sciences established this award on February 9, 1960 in honour of Igor Kurchatov and in recognition of his lifetime contributions to... |
https://en.wikipedia.org/wiki/Remote%20error%20indication | Remote error indication (REI) or formerly far end block error (FEBE) is an alarm signal used in synchronous optical networking (SONET). It indicates to the transmitting node that the receiver has detected a block error.
Overview
REI or FEBE errors are mostly seen on DS3 circuits, however they are known to be presen... |
https://en.wikipedia.org/wiki/Juvenile%20%28organism%29 | A juvenile is an individual organism (especially an animal) that has not yet reached its adult form, sexual maturity or size. Juveniles can look very different from the adult form, particularly in colour, and may not fill the same niche as the adult form. In many organisms the juvenile has a different name from the adu... |
https://en.wikipedia.org/wiki/Normal%20form%20%28abstract%20rewriting%29 | In abstract rewriting, an object is in normal form if it cannot be rewritten any further, i.e. it is irreducible. Depending on the rewriting system, an object may rewrite to several normal forms or none at all. Many properties of rewriting systems relate to normal forms.
Definitions
Stated formally, if (A,→) is an a... |
https://en.wikipedia.org/wiki/Causes%20and%20origins%20of%20Tourette%20syndrome | Causes and origins of Tourette syndrome have not been fully elucidated. Tourette syndrome (abbreviated as Tourette's or TS) is an inherited neurodevelopmental disorder that begins in childhood or adolescence, characterized by the presence of multiple motor tics and at least one phonic tic, which characteristically wax... |
https://en.wikipedia.org/wiki/Mini-DVI | The Mini-DVI connector is used on certain Apple computers as a digital alternative to the Mini-VGA connector. Its size is between the full-sized DVI and the tiny Micro-DVI. It is found on the 12-inch PowerBook G4 (except the original 12-inch 867 MHz PowerBook G4, which used Mini-VGA), the Intel-based iMac, the MacBook ... |
https://en.wikipedia.org/wiki/Quantities%2C%20Units%20and%20Symbols%20in%20Physical%20Chemistry | Quantities, Units and Symbols in Physical Chemistry, also known as the Green Book, is a compilation of terms and symbols widely used in the field of physical chemistry. It also includes a table of physical constants, tables listing the properties of elementary particles, chemical elements, and nuclides, and information... |
https://en.wikipedia.org/wiki/Fracton | A fracton is a collective quantized vibration on a substrate with a fractal structure.
Fractons are the fractal analog of phonons. Phonons are the result of applying translational symmetry to the potential in a Schrödinger equation. Fractal self-similarity can be thought of as a symmetry somewhat comparable to transla... |
https://en.wikipedia.org/wiki/Tanenbaum%E2%80%93Torvalds%20debate | The Tanenbaum–Torvalds debate was a written debate between Andrew S. Tanenbaum and Linus Torvalds, regarding the Linux kernel and kernel architecture in general. Tanenbaum, the creator of Minix, began the debate in 1992 on the Usenet discussion group , arguing that microkernels are superior to monolithic kernels and th... |
https://en.wikipedia.org/wiki/Cellular%20compartment | Cellular compartments in cell biology comprise all of the closed parts within the cytosol of a eukaryotic cell, usually surrounded by a single or double lipid layer membrane. These compartments are often, but not always, defined as membrane-bound organelles. The formation of cellular compartments is called compartmenta... |
https://en.wikipedia.org/wiki/Willi%20Apel | Willi Apel (10 October 1893 – 14 March 1988) was a German-American musicologist and noted author of a number of books devoted to music. Among his most important publications are the 1944 edition of The Harvard Dictionary of Music and French Secular Music of the Late Fourteenth Century.
Life and career
Apel was born i... |
https://en.wikipedia.org/wiki/Wolf%20Barth | Wolf Paul Barth (20 October 1942, Wernigerode – 30 December 2016, Nuremberg) was a German mathematician who discovered Barth surfaces and whose work on vector bundles has been important for the ADHM construction. Until 2011 Barth was working in the Department of Mathematics at the University of Erlangen-Nuremberg in Ge... |
https://en.wikipedia.org/wiki/Acute%20abdomen | An acute abdomen refers to a sudden, severe abdominal pain. It is in many cases a medical emergency, requiring urgent and specific diagnosis. Several causes need immediate surgical treatment.
Differential diagnosis
The differential diagnosis of acute abdomen includes:
Acute appendicitis
Acute peptic ulcer and its... |
https://en.wikipedia.org/wiki/Bitopological%20space | In mathematics, a bitopological space is a set endowed with two topologies. Typically, if the set is and the topologies are and then the bitopological space is referred to as . The notion was introduced by J. C. Kelly in the study of quasimetrics, i.e. distance functions that are not required to be symmetric.
Conti... |
https://en.wikipedia.org/wiki/Reference%20atmospheric%20model | A reference atmospheric model describes how the ideal gas properties (namely: pressure, temperature, density, and molecular weight) of an atmosphere change, primarily as a function of altitude, and sometimes also as a function of latitude, day of year, etc.
A static atmospheric model has a more limited domain, excludin... |
https://en.wikipedia.org/wiki/Debt-to-capital%20ratio | A company's debt-to-capital ratio or D/C ratio is the ratio of its total debt to its total capital, its debt and equity combined. The ratio measures a company's capital structure, financial solvency, and degree of leverage, at a particular point in time. The data to calculate the ratio are found on the balance sheet.
... |
https://en.wikipedia.org/wiki/Ahmad%20al-Buni | Sharaf al-Din or Shihab al-Din or Muḥyi al-Din Abu al-Abbas Aḥmad ibn Ali ibn Yusuf al-Qurashi al-Sufi, better known as Ahmad al-Buni (, ), was a mathematician and philosopher and a well known Sufi. Very little is known about him. His writings deal with the esoteric value of letters and topics relating to mathematics, ... |
https://en.wikipedia.org/wiki/Stinespring%20dilation%20theorem | In mathematics, Stinespring's dilation theorem, also called Stinespring's factorization theorem, named after W. Forrest Stinespring, is a result from operator theory that represents any completely positive map on a C*-algebra A as a composition of two completely positive maps each of which has a special form:
A *-repr... |
https://en.wikipedia.org/wiki/Ramp%20function | The ramp function is a unary real function, whose graph is shaped like a ramp. It can be expressed by numerous definitions, for example "0 for negative inputs, output equals input for non-negative inputs". The term "ramp" can also be used for other functions obtained by scaling and shifting, and the function in this ar... |
https://en.wikipedia.org/wiki/African%20swine%20fever%20virus | African swine fever virus (ASFV) is a large, double-stranded DNA virus in the Asfarviridae family. It is the causative agent of African swine fever (ASF). The virus causes a hemorrhagic fever with high mortality rates in domestic pigs; some isolates can cause death of animals as quickly as a week after infection. It pe... |
https://en.wikipedia.org/wiki/Fritz%20Carlson | Fritz David Carlson (23 July 1888 – 28 November 1952) was a Swedish mathematician. After the death of Torsten Carleman, he headed the Mittag-Leffler Institute.
Carlson's contributions to analysis include Carlson's theorem, the Polyá–Carlson theorem on rational functions, and Carlson's inequality
In number theory, ... |
https://en.wikipedia.org/wiki/Kathleen%20Antonelli | Kathleen Rita Antonelli ( McNulty; formerly Mauchly;
12 February 1921 – 20 April 2006), known as Kay McNulty, was an Irish computer programmer and one of the six original programmers of the ENIAC, one of the first general-purpose electronic digital computers. The other five ENIAC programmers were Betty Holberton, Ruth... |
https://en.wikipedia.org/wiki/Flag%20of%20Australia | The flag of Australia, also known as the Australian Blue Ensign, is based on the British Blue Ensign—a blue field with the Union Jack in the upper hoist quarter—augmented with a large white seven-pointed star (the Commonwealth Star) and a representation of the Southern Cross constellation, made up of five white stars (... |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.