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https://en.wikipedia.org/wiki/Coulomb%20scattering%20state | A Coulomb scattering state in quantum mechanics (a fundamental theory in physics), describes a state of a particle where the particle is subject to Coulomb potential and is not localized to a finite region of space.
In general, Coulomb scattering state is a state in Hilbert Space that corresponds to two or more partic... |
https://en.wikipedia.org/wiki/Ross%20Honsberger | Ross Honsberger (1929–2016) was a Canadian mathematician and author on recreational mathematics.
Life
Honsberger studied mathematics at the University of Toronto, with a bachelor's degree, and then worked for ten years as a teacher in Toronto, before continuing his studies at the University of Waterloo (master's degr... |
https://en.wikipedia.org/wiki/223%20%28number%29 | 223 (two hundred [and] twenty-three) is the natural number following 222 and preceding 224.
In mathematics
223 is a prime number. Among the 720 permutations of the numbers from 1 to 6, exactly 223 of them have the property that at least one of the numbers is fixed in place by the permutation and the numbers less than... |
https://en.wikipedia.org/wiki/Edge-transitive%20graph | In the mathematical field of graph theory, an edge-transitive graph is a graph such that, given any two edges and of , there is an automorphism of that maps to .
In other words, a graph is edge-transitive if its automorphism group acts transitively on its edges.
Examples and properties
The number of connected ... |
https://en.wikipedia.org/wiki/Eosinophilic%20fasciitis | Eosinophilic fasciitis (), also known as Shulman's syndrome, is an inflammatory disease that affects the fascia, other connective tissues, surrounding muscles, blood vessels and nerves. Unlike other forms of fasciitis, eosinophilic fasciitis is typically self-limited and confined to the arms and legs, although it can r... |
https://en.wikipedia.org/wiki/Dilution%20assay | The term dilution assay is generally used to designate a special type of bioassay in which one or more preparations (e.g. a drug) are administered to experimental units at different dose levels inducing a measurable biological response. The dose levels are prepared by dilution in a diluent that is inert in respect of... |
https://en.wikipedia.org/wiki/Structural%20type%20system | A structural type system (or property-based type system) is a major class of type systems in which type compatibility and equivalence are determined by the type's actual structure or definition and not by other characteristics such as its name or place of declaration. Structural systems are used to determine if types a... |
https://en.wikipedia.org/wiki/Cosmotron | The Cosmotron was a particle accelerator, specifically a proton synchrotron, at Brookhaven National Laboratory. Its construction was approved by the U.S. Atomic Energy Commission in 1948, reaching its full energy in 1953, and continuing to run until 1966. It was dismantled in 1969.
It was the first particle accelerat... |
https://en.wikipedia.org/wiki/Orchitophrya%20stellarum | Orchitophrya stellarum is a species of single-celled marine ciliates, a member of the class Oligohymenophorea. It is found living freely in the north Atlantic and Pacific Oceans but is also parasitic, being found inside the gonads of starfish.
Biology
Orchitophrya stellarum tolerates a sea temperature range of between... |
https://en.wikipedia.org/wiki/HDDerase | HDDerase is a freeware utility that securely erases data on hard drives using the Secure Erase unit command built into the firmware of Parallel ATA and Serial ATA drives manufactured after 2001. HDDerase was developed by the Center for Magnetic Recording Research at the University of California, San Diego. HDDerase is ... |
https://en.wikipedia.org/wiki/MB21D1 | Cyclic GMP-AMP synthase is a protein that in humans is encoded by the CGAS gene.
It's an enzyme, a nucleotidyltransferase, a cyclic GMP-AMP synthase. |
https://en.wikipedia.org/wiki/Raj%20Mittra | Raj Mittra (born 1 July 1932) is an Indian-born electrical engineer and academician. He is currently a professor of electrical engineering at University of Central Florida. Previously, he was a faculty member at University of Illinois at Urbana–Champaign and Pennsylvania State University, where he was the director of t... |
https://en.wikipedia.org/wiki/Internal%20carotid%20venous%20plexus | The internal carotid venous plexus is a network of veins surrounding the internal carotid artery as it passes through the carotid canal. The plexus interconnects the internal jugular vein (extracranially) and cavernous sinus (intracranially). |
https://en.wikipedia.org/wiki/Journal%20of%20Aging%20%26%20Social%20Policy | The Journal of Aging & Social Policy is a peer-reviewed medical and social science journal covering aging and related public policy issues. It currently releases 6 issues per year. It was established in 1989 and is published by Routledge. The editor-in-chief is Edward Alan Miller (University of Massachusetts Boston). A... |
https://en.wikipedia.org/wiki/Carbon-11-choline | Carbon-11 choline is the basis of medical imaging technologies. Because of its involvement in biologic processes, choline is related to diseases, leading to the development of medical imaging techniques to monitor its concentration. When radiolabeled with 11CH3, choline is a useful a tracer in PET imaging. Carbon-11 i... |
https://en.wikipedia.org/wiki/Sinc%20function | In mathematics, physics and engineering, the sinc function, denoted by , has two forms, normalized and unnormalized.
In mathematics, the historical unnormalized sinc function is defined for by
Alternatively, the unnormalized sinc function is often called the sampling function, indicated as Sa(x).
In digital signal ... |
https://en.wikipedia.org/wiki/Urban%20forestry | Urban forestry is the care and management of single trees and tree populations in urban settings for the purpose of improving the urban environment. Urban forestry involves both planning and management, including the programming of care and maintenance operations of the urban forest. Urban forestry advocates the role o... |
https://en.wikipedia.org/wiki/Leyland%20cypress | The Leyland cypress, Cupressus × leylandii, X Cuprocyparis leylandii or X Cupressocyparis leylandii, often referred to simply as leylandii, is a fast-growing coniferous evergreen tree much used in horticulture, primarily for hedges and screens. Even on sites of relatively poor culture, plants have been known to grow to... |
https://en.wikipedia.org/wiki/Supersplit%20supersymmetry | Supersplit supersymmetry was conceived as an April Fool's Day joke in 2005 by a group of young theoretical high energy physicists. It was meant as a parody of split supersymmetry.
The model proposed particles (beyond those of the Standard Model) which are decoupled, leaving no trace at low energies, therefore leaving ... |
https://en.wikipedia.org/wiki/Pseudo-Anosov%20map | In mathematics, specifically in topology, a pseudo-Anosov map is a type of a diffeomorphism or homeomorphism of a surface. It is a generalization of a linear Anosov diffeomorphism of the torus. Its definition relies on the notion of a measured foliation introduced by William Thurston, who also coined the term "pseudo-A... |
https://en.wikipedia.org/wiki/Leiden%20anatomical%20theatre | The Theatrum Anatomicum or Leiden anatomical theatre was an anatomical theatre and cabinet of curiosities of Leiden University that opened in Leiden in the Netherlands in 1594. It was one of the first anatomical theatres in Europe.
The theatre was started on the initiative of Pieter Pauw, then professor of anatomy at ... |
https://en.wikipedia.org/wiki/Forest%20management | Forest management is a branch of forestry concerned with overall administrative, legal, economic, and social aspects, as well as scientific and technical aspects, such as silviculture, protection, and forest regulation. This includes management for timber, aesthetics, recreation, urban values, water, wildlife, inland a... |
https://en.wikipedia.org/wiki/Converged%20storage | Converged storage is a storage architecture that combines storage and computing resources into a single entity. This can result in the development of platforms for server centric, storage centric or hybrid workloads where applications and data come together to improve application performance and delivery. The combinati... |
https://en.wikipedia.org/wiki/Explained%20variation | In statistics, explained variation measures the proportion to which a mathematical model accounts for the variation (dispersion) of a given data set. Often, variation is quantified as variance; then, the more specific term explained variance can be used.
The complementary part of the total variation is called unexplai... |
https://en.wikipedia.org/wiki/Desargues%20configuration | In geometry, the Desargues configuration is a configuration of ten points and ten lines, with three points per line and three lines per point. It is named after Girard Desargues.
The Desargues configuration can be constructed in two dimensions from the points and lines occurring in Desargues's theorem, in three dimens... |
https://en.wikipedia.org/wiki/Global%20Food%20Safety%20Initiative | The Global Food Safety Initiative (GFSI) is a private organization working as a "coalition of action" from the Consumer Goods Forum (CGF), bringing together retailers and brand owners (manufacturers) from across the CGF membership, operating under multistakeholder governance, with the objective to create "an extended f... |
https://en.wikipedia.org/wiki/Crick%20Lecture | The Francis Crick Medal and Lecture is a prize lecture of the Royal Society established in 2003 with an endowment from Sydney Brenner, the late Francis Crick's close friend and former colleague. It is delivered annually in biology, particularly the areas which Francis Crick worked (genetics, molecular biology and neur... |
https://en.wikipedia.org/wiki/Crossotheca | Crossotheca is an extinct genus of seed ferns (Pteridospermatophyta) widespread in coal measures of Carboniferous, Permian and Triassic age, with possible Devonian remains known from Belgium. The type species is C. crepini, named and described in 1883 by R. Zeiller, and the genus is known from fossils found in Belgium ... |
https://en.wikipedia.org/wiki/Pekarangan | () is a type of tropical home garden developed in Indonesia, mainly in Java. typically contain plants, while some possess animals (including farmed fish, ruminants, poultry, and wild animals) and structures such as pens and bird cages. The gardens yield food for subsistence and income, and plants for ornamental use. A... |
https://en.wikipedia.org/wiki/Palearctic%20realm | The Palearctic or Palaearctic is the largest of the eight biogeographic realms of the Earth. It stretches across all of Eurasia north of the foothills of the Himalayas, and North Africa.
The realm consists of several bioregions: the Euro-Siberian region; the Mediterranean Basin; the Sahara and Arabian Deserts; and Wes... |
https://en.wikipedia.org/wiki/Saponifiable%20lipid | A saponifiable lipid is part of the ester functional group. They are made up of long chain carboxylic (of fatty) acids connected to an alcoholic functional group through the ester linkage which can undergo a saponification reaction. The fatty acids are released upon base-catalyzed ester hydrolysis to form ionized salt... |
https://en.wikipedia.org/wiki/Level%20ancestor%20problem | In graph theory and theoretical computer science, the level ancestor problem is the problem of preprocessing a given rooted tree T into a data structure that can determine the ancestor of a given node at a given distance from the root of the tree.
More precisely, let T be a rooted tree with n nodes, and let v be an ar... |
https://en.wikipedia.org/wiki/Soci%C3%A9t%C3%A9%20Fran%C3%A7aise%20de%20Parasitologie | La Société Française de Parasitologie (), often abridged as SFP, was founded in 1962 and is a scientific society devoted to parasitology. It publishes the scientific journal Parasite and organizes prizes and annual meetings.
History
The Society was created at a meeting hold on April 7, 1962 at the Muséum National d’... |
https://en.wikipedia.org/wiki/Super%20I/O | Super I/O is a class of I/O controller integrated circuits that began to be used on personal computer motherboards in the late 1980s, originally as add-in cards, later embedded on the motherboards. A super I/O chip combines interfaces for a variety of low-bandwidth devices. Now it is mostly merged with EC.
The functio... |
https://en.wikipedia.org/wiki/History%20of%20penicillin | The history of penicillin follows observations and discoveries of evidence of antibiotic activity of the mould Penicillium that led to the development of penicillins that became the first widely used antibiotics. Following the production of a relatively pure compound in 1942, penicillin was the first naturally-derived ... |
https://en.wikipedia.org/wiki/Population%20Control%3A%20Real%20Costs%2C%20Illusory%20Benefits | Population Control: Real Costs, Illusory Benefits is a nonfiction book by Steven W. Mosher, first published in 2008.
Population Control is a detailed exposition on the global effort to combat overpopulation, arguing that not only population control is immoral in many cases, but that overpopulation is a myth.
Mosher w... |
https://en.wikipedia.org/wiki/Comparison%20theorem | In mathematics, comparison theorems are theorems whose statement involves comparisons between various mathematical objects of the same type, and often occur in fields such as calculus, differential equations and Riemannian geometry.
Differential equations
In the theory of differential equations, comparison theorems a... |
https://en.wikipedia.org/wiki/Point%20of%20zero%20charge | The point of zero charge (pzc) is generally described as the pH at which the net charge of total particle surface (i.e. absorbent's surface) is equal to zero, which concept has been introduced in the studies dealt with colloidal flocculation to explain pH affecting the phenomenon.
A related concept in electrochemistry... |
https://en.wikipedia.org/wiki/Vanilla%20ice%20cream | Vanilla is frequently used to flavor ice cream, especially in North America, Asia, and Europe. Vanilla ice cream, like other flavors of ice cream, was originally created by cooling a mixture made of cream, sugar, and vanilla above a container of ice and salt. The type of vanilla used to flavor ice cream varies by locat... |
https://en.wikipedia.org/wiki/Differential%20optical%20absorption%20spectroscopy | In atmospheric chemistry, differential optical absorption spectroscopy (DOAS) is used to measure concentrations of trace gases. When combined with basic optical spectrometers such as prisms or diffraction gratings and automated, ground-based observation platforms, it presents a cheap and powerful means for the measurem... |
https://en.wikipedia.org/wiki/108th%20meridian%20west | The meridian 108° 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 108th meridian west forms a great circle with the 72nd meridian east.
From Pole to Pole
Starting at the North... |
https://en.wikipedia.org/wiki/Mill%20%28currency%29 | The mill (American English) or mil (Commonwealth English, except Canada) is a unit of currency (sometimes symbolized as ₥), used in several countries as one-thousandth of the base unit. In the United States, it is a notional unit equivalent to a thousandth of a United States dollar (a hundredth of a dime or a tenth of ... |
https://en.wikipedia.org/wiki/Deoxycytidine%20diphosphate | Deoxycytidine diphosphate is a nucleoside diphosphate. It is related to the common nucleic acid CTP, or cytidine triphosphate, with the -OH (hydroxyl) group on the 2' carbon on the nucleotide's pentose removed (hence the deoxy- part of the name), and with one fewer phosphoryl group than CTP .
2'-deoxycytidine diphosp... |
https://en.wikipedia.org/wiki/Metalaxyl | Metalaxyl is an acylalanine fungicide with systemic function. Its chemical name is methyl N-(methoxyacetyl)-N-(2,6-xylyl)-DL-alaninate. It can be used to control Pythium in a number of vegetable crops, and Phytophthora in peas. Metalaxyl-M is the ISO common name and Ridomil Gold is the trade name for the optically pur... |
https://en.wikipedia.org/wiki/Neurofibrillary%20tangle | Neurofibrillary tangles (NFTs) are aggregates of hyperphosphorylated tau protein that are most commonly known as a primary biomarker of Alzheimer's disease. Their presence is also found in numerous other diseases known as tauopathies. Little is known about their exact relationship to the different pathologies.
Formati... |
https://en.wikipedia.org/wiki/California%20Privacy%20Rights%20Act | The California Privacy Rights Act of 2020 (CPRA), also known as Proposition 24, is a California ballot proposition that was approved by a majority of voters after appearing on the ballot for the general election on November 3, 2020. This proposition expands California's consumer privacy law and builds upon the Californ... |
https://en.wikipedia.org/wiki/SAMV%20%28algorithm%29 | SAMV (iterative sparse asymptotic minimum variance) is a parameter-free superresolution algorithm for the linear inverse problem in spectral estimation, direction-of-arrival (DOA) estimation and tomographic reconstruction with applications in signal processing, medical imaging and remote sensing. The name was coined in... |
https://en.wikipedia.org/wiki/Pure%20Chess | Pure Chess is a chess video game by British developer VooFoo Studios.
Release
Pure Chess was released for the PlayStation Vita and the PlayStation 3. The PS3 version of the game is only available through digital download via the PlayStation Store. The PS3 version of Pure Chess was released on April 11, 2012, in Europ... |
https://en.wikipedia.org/wiki/Yuri%20Manin | Yuri Ivanovich Manin (; 16 February 1937 – 7 January 2023) was a Russian mathematician, known for work in algebraic geometry and diophantine geometry, and many expository works ranging from mathematical logic to theoretical physics.
Life and career
Manin was born on 16 February 1937 in Simferopol, Crimean ASSR, Sovie... |
https://en.wikipedia.org/wiki/Squeeze%20flow | Squeeze flow (also called squeezing flow, squeezing film flow, or squeeze flow theory) is a type of flow in which a material is pressed out or deformed between two parallel plates or objects. First explored in 1874 by Josef Stefan, squeeze flow describes the outward movement of a droplet of material, its area of contac... |
https://en.wikipedia.org/wiki/Emmabunt%C3%BCs | Emmabuntüs is a Linux distribution derived from Debian (previously Ubuntu) and designed to facilitate the restoration of computers donated to humanitarian organizations like the Emmaüs Communities.
The name Emmabuntüs is a portmanteau of Emmaüs and Ubuntu.
Features
This Linux distribution can be installed, in its en... |
https://en.wikipedia.org/wiki/Critical%20distance | Critical distance is, in acoustics, the distance at which the sound pressure level of the direct sound D and the reverberant sound R are equal when dealing with a directional source. As the source is directional, the sound pressure as a function of distance between source and sampling point (listener) varies with their... |
https://en.wikipedia.org/wiki/36th%20meridian%20west | The meridian 36° west of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, Greenland, the Atlantic Ocean, South America, the Southern Ocean, and Antarctica to the South Pole.
The 36th meridian west forms a great circle with the 144th meridian east.
From Pole to Pole
Starting a... |
https://en.wikipedia.org/wiki/Journal%20of%20Translational%20Medicine | The Journal of Translational Medicine is a peer-reviewed open-access medical journal published by BioMed Central since 2003. The editor-in-chief is Francesco Marincola. According to the Journal Citation Reports, the journal had a 2021 impact factor of 8.440. |
https://en.wikipedia.org/wiki/Frontonasal%20process | The frontonasal process, or frontonasal prominence is one of the five swellings that develop to form the face. The frontonasal process is unpaired, and the others are the paired maxillary prominences, and the paired mandibular prominences. During the fourth week of embryonic development, an area of thickened ectoderm d... |
https://en.wikipedia.org/wiki/List%20of%20biophysically%20important%20macromolecular%20crystal%20structures | Crystal structures of protein and nucleic acid molecules and their complexes are central to the practice of most parts of biophysics, and have shaped much of what we understand scientifically at the atomic-detail level of biology. Their importance is underlined by the United Nations declaring 2014 as the International... |
https://en.wikipedia.org/wiki/Effective%20fragment%20potential%20method | The effective fragment potential (EFP) method is a computational approach designed to describe intermolecular interactions and environmental effects. It is a computationally inexpensive means to describe interactions in non-bonded systems. It was originally formulated to describe the solvent effects in complex chemical... |
https://en.wikipedia.org/wiki/Sponge%20ground | Sponge grounds, also known as sponge aggregations, are intertidal to deep-sea habitats formed by large accumulations of sponges (glass sponges and/or demosponges), often dominated by a few massive species. Sponge grounds were already reported more than 150 years ago, but the habitat was first fully recognized, studied ... |
https://en.wikipedia.org/wiki/Parametric%20process%20%28optics%29 | A parametric process is an optical process in which light interacts with matter in such a way as to leave the quantum state of the material unchanged. As a direct consequence of this there can be no net transfer of energy, momentum, or angular momentum between the optical field and the physical system. In contrast a ... |
https://en.wikipedia.org/wiki/Drehmann%20sign | The Drehmann sign describes a clinical test of examining orthopedic patients and is widely used in the functional check of the hip joint.
It was first described by Gustav Drehmann (Breslau, 1869–1932).
The Drehmann sign is positive if an unavoidable passive external rotation of the hip occurs when performing a hip fl... |
https://en.wikipedia.org/wiki/Siemens%20and%20Halske%20T52 | The Siemens & Halske T52, also known as the Geheimschreiber ("secret teleprinter"), or Schlüsselfernschreibmaschine (SFM), was a World War II German cipher machine and teleprinter produced by the electrical engineering firm Siemens & Halske. The instrument and its traffic were codenamed Sturgeon by British cryptanalyst... |
https://en.wikipedia.org/wiki/Ultradian%20rhythm | In chronobiology, an ultradian rhythm is a recurrent period or cycle repeated throughout a 24-hour day. In contrast, circadian rhythms complete one cycle daily, while infradian rhythms such as the human menstrual cycle have periods longer than a day. The Oxford English Dictionary's definition of Ultradian specifies tha... |
https://en.wikipedia.org/wiki/Cetancodontamorpha | Cetancodontamorpha is a total clade of artiodactyls defined, according to Spaulding et al., as Whippomorpha "plus all extinct taxa more closely related to extant members of Whippomorpha than to any other living species". Attempts have been made to rename the clade Whippomorpha to Cetancodonta, but the former maintains ... |
https://en.wikipedia.org/wiki/Hughes%20plane | In mathematics, a Hughes plane is one of the non-Desarguesian projective planes found by .
There are examples of order p2n for every odd prime p and every positive integer n.
Construction
The construction of a Hughes plane is based on a nearfield N of order p2n for p an odd prime whose kernel K has order pn and coinci... |
https://en.wikipedia.org/wiki/96%20%28number%29 | 96 (ninety-six) is the natural number following 95 and preceding 97. It is a number that appears the same when turned upside down.
In mathematics
96 is:
an octagonal number.
a refactorable number.
an untouchable number.
a semiperfect number since it is a multiple of 6.
an abundant number since the sum of its pr... |
https://en.wikipedia.org/wiki/Brainbow | Brainbow is a process by which individual neurons in the brain can be distinguished from neighboring neurons using fluorescent proteins. By randomly expressing different ratios of red, green, and blue derivatives of green fluorescent protein in individual neurons, it is possible to flag each neuron with a distinctive c... |
https://en.wikipedia.org/wiki/Coppicing | Coppicing is the traditional method in woodland management of cutting down a tree to a stump, which in many species encourages new shoots to grow from the stump or roots, thus ultimately regrowing the tree. In a coppiced wood, which is called a copse or coppice, young tree stems are repeatedly cut down to near ground... |
https://en.wikipedia.org/wiki/Eliahu%20I.%20Jury | Eliahu Ibrahim Jury (May 23, 1923 – September 20, 2020) was an Iraqi-born American engineer. He received his the E.E. degree from the Technion – Israel Institute of Technology, Haifa, Mandatory Palestine (now, Israel), in 1947, the M.S. degree in electrical engineering from Harvard University, Cambridge, MA, in 1949, a... |
https://en.wikipedia.org/wiki/Whitley%20Awards%20%28Australia%29 | The Whitley Awards have been awarded annually since 1979 by the Royal Zoological Society of New South Wales (RZSNSW). They commemorate Gilbert Whitley, an eminent Australian ichthyologist, and are presented for outstanding publications, either printed or electronic, that contain new information about the fauna of the ... |
https://en.wikipedia.org/wiki/Process%20validation | Process validation is the analysis of data gathered throughout the design and manufacturing of a product in order to confirm that the process can reliably output products of a determined standard. Regulatory authorities like EMA and FDA have published guidelines relating to process validation. The purpose of process va... |
https://en.wikipedia.org/wiki/Bimoment | Bimoment (aka warping moment) is a term used in the analysis of beams (continuum mechanics) that relates to torsion and warping. Its symbol is Mω.
Bimoment show the distributions at a cross-section of (longitudinal) warping stress in cases of torsional warping and distortional warping, respectively. Generally, a bimom... |
https://en.wikipedia.org/wiki/Mayer%20waves | Mayer waves are cyclic changes or waves in arterial blood pressure brought about by oscillations in baroreceptor and chemoreceptor reflex control systems. The waves are seen both in the ECG and in continuous blood pressure curves and have a frequency about 0.1 Hz (10-second waves). These waves were originally described... |
https://en.wikipedia.org/wiki/Trans-acting | In the field of molecular biology, trans-acting (trans-regulatory, trans-regulation), in general, means "acting from a different molecule" (i.e., intermolecular). It may be considered the opposite of cis-acting (cis-regulatory, cis-regulation), which, in general, means "acting from the same molecule" (i.e., intramolec... |
https://en.wikipedia.org/wiki/KatG | KatG is an enzyme that functions as both catalase and peroxidase. Its mutation is the cause for Mycobacterium (specifically M. tuberculosis) resistance with the drug isoniazid, which targets the mycolic acids within the tuberculosis bacteria. Due to both its catalase and peroxidase activity, this enzyme protects M. Tu... |
https://en.wikipedia.org/wiki/Operational%20transformation | Operational transformation (OT) is a technology for supporting a range of collaboration functionalities in advanced collaborative software systems. OT was originally invented for consistency maintenance and concurrency control in collaborative editing of plain text documents. Its capabilities have been extended and its... |
https://en.wikipedia.org/wiki/Electromagnetic%20wave%20equation | The electromagnetic wave equation is a second-order partial differential equation that describes the propagation of electromagnetic waves through a medium or in a vacuum. It is a three-dimensional form of the wave equation. The homogeneous form of the equation, written in terms of either the electric field or the mag... |
https://en.wikipedia.org/wiki/Avoidance%20coping | In psychology, avoidance coping is a coping mechanism and form of experiential avoidance. It is characterized by a person's efforts, conscious or unconscious, to avoid dealing with a stressor in order to protect oneself from the difficulties the stressor presents. Avoidance coping can lead to substance abuse, social wi... |
https://en.wikipedia.org/wiki/Bet%20hedging%20%28biology%29 | Biological bet hedging occurs when organisms suffer decreased fitness in their typical conditions in exchange for increased fitness in stressful conditions. Biological bet hedging was originally proposed to explain the observation of a seed bank, or a reservoir of ungerminated seeds in the soil. For example, an annual ... |
https://en.wikipedia.org/wiki/NER%20model | The NER model is one of a number of methods for determining the accuracy of live subtitles in television broadcasts and events that are produced using speech recognition. The three letters stand for number, edition error and recognition error. It is an alternative to the WER model (Word Error Rate) used in several coun... |
https://en.wikipedia.org/wiki/NMR%20line%20broadening%20techniques | In chemistry, NMR line broadening techniques (or NMR line broadening experiments) can be used to determine the rate constant and the Gibbs free energy of exchange reactions of two different chemical compounds. If the two species are in equilibrium and exchange to each other, peaks of both species get broadened in the s... |
https://en.wikipedia.org/wiki/History%20of%20the%20Theory%20of%20Numbers | History of the Theory of Numbers is a three-volume work by Leonard Eugene Dickson summarizing work in number theory up to about 1920. The style is unusual in that Dickson mostly just lists results by various authors, with little further discussion. The central topic of quadratic reciprocity and higher reciprocity laws... |
https://en.wikipedia.org/wiki/Archie%27s%20law | In petrophysics, Archie's law relates the in-situ electrical conductivity (C) of a porous rock to its porosity () and fluid saturation () of the pores:
Here, denotes the porosity, the electrical conductivity of the fluid saturated rock, represents the electrical conductivity of the aqueous solution (fluid or li... |
https://en.wikipedia.org/wiki/6-sphere%20coordinates | In mathematics, 6-sphere coordinates are a coordinate system for three-dimensional space obtained by inverting the 3D Cartesian coordinates across the unit 2-sphere . They are so named because the loci where one coordinate is constant form spheres tangent to the origin from one of six sides (depending on which coordin... |
https://en.wikipedia.org/wiki/Tangent%20indicatrix | In differential geometry, the tangent indicatrix of a closed space curve is a curve on the unit sphere intimately related to the curvature of the original curve. Let be a closed curve with nowhere-vanishing tangent vector . Then the tangent indicatrix of is the closed curve on the unit sphere given by .
The total c... |
https://en.wikipedia.org/wiki/Ten%20Horn%27s%20sign | Ten Horn's sign is a clinical sign used for diagnosing appendicitis, particularly in older adults.
Method
The patient lies on a couch. The examiner gently stretches the right spermatic cord using the thumb and index finger right about the testis in the right scrotum. For a patient with appendicitis, this causes pain i... |
https://en.wikipedia.org/wiki/Elongated%20pentagonal%20gyrobirotunda | In geometry, the elongated pentagonal gyrobirotunda is one of the Johnson solids (). As the name suggests, it can be constructed by elongating a "pentagonal gyrobirotunda," or icosidodecahedron (one of the Archimedean solids), by inserting a decagonal prism between its congruent halves. Rotating one of the pentagonal r... |
https://en.wikipedia.org/wiki/Comparative%20psychology | Comparative psychology refers to the scientific study of the behavior and mental processes of non-human animals, especially as these relate to the phylogenetic history, adaptive significance, and development of behavior. The phrase comparative psychology may be employed in a narrow and a broad meaning. In its narrow me... |
https://en.wikipedia.org/wiki/Memory%20controller | A memory controller is a digital circuit that manages the flow of data going to and from a computer's main memory. A memory controller can be a separate chip or integrated into another chip, such as being placed on the same die or as an integral part of a microprocessor; in the latter case, it is usually called an int... |
https://en.wikipedia.org/wiki/V.%20John%20Krehbiel | Victor John Krehbiel (1905–1997) was the head of the Republican Party of California, and served as the American ambassador to Finland (1973–1975), a position he was accused of buying with campaign contributions. He was appointed to other political positions by both the Eisenhower and Nixon administrations.
Early life ... |
https://en.wikipedia.org/wiki/Position-effect%20variegation | Position-effect variegation (PEV) is a variegation caused by the silencing of a gene in some cells through its abnormal juxtaposition with heterochromatin via rearrangement or transposition. It is also associated with changes in chromatin conformation.
Overview
The classical example is the Drosophila wm4 (speak white... |
https://en.wikipedia.org/wiki/Interaction%20point | In particle physics, an interaction point (IP) is the place where particles collide in an accelerator experiment. The nominal interaction point is the design position, which may differ from the real or physics interaction point, where the particles actually collide. A related, but distinct, concept is the primary verte... |
https://en.wikipedia.org/wiki/Open%20Transport%20Network | Open Transport Network (OTN) is a flexible private communication network based on fiber optic technology, manufactured by OTN Systems.
It is a networking technology used in vast, private networks with a great diversity of communication requirements, such as subway systems, pipelines, the mining industry, tunnels and t... |
https://en.wikipedia.org/wiki/Mus%C3%A9e%20des%20Plans-Reliefs | The Musée des Plans-Reliefs is a museum of military models located within the Hôtel des Invalides in the 7th arrondissement of Paris, France.
The construction of models dates to 1668, when François-Michel le Tellier, Marquis de Louvois and minister of war to Louis XIV, began a collection of three-dimensional models o... |
https://en.wikipedia.org/wiki/Ram%C3%B3n%20Margalef%20Award%20for%20Excellence%20in%20Education | The Ramón Margalef Award for Excellence in Education was launched in 2008 by the Association for the Sciences of Limnology and Oceanography to recognize innovations and excellence in teaching and mentoring students in the fields of limnology and oceanography. Criteria for the award requires "adherence to the highest st... |
https://en.wikipedia.org/wiki/Hilbert%E2%80%93Samuel%20function | In commutative algebra the Hilbert–Samuel function, named after David Hilbert and Pierre Samuel, of a nonzero finitely generated module over a commutative Noetherian local ring and a primary ideal of is the map such that, for all ,
where denotes the length over . It is related to the Hilbert function of the asso... |
https://en.wikipedia.org/wiki/Fish%20factory | A fish factory, also known as a fish plant or fish processing facility, is a facility in which fish processing is performed. Fish factories process a variety of fish, each species requires specific methods of processing to ensure consumer safety and product quality. The location of a fish factory will impact production... |
https://en.wikipedia.org/wiki/Samuel%20Balto | Samuel Johannesen Balto (May 5, 1861 – 1921) was a Northern Saami explorer and adventurer. Balto skied with Fridtjof Nansen across Greenland in 1888–89.
Biography
Samuel Johannesen Balto was born in Karasjok in Finnmark county, Norway. He had worked as a lumberjack, as well as in reindeer herding and fishing. In 1888,... |
https://en.wikipedia.org/wiki/EWS-UX | EWS-UX is a Unix operating system used by NEC Corporation for its EWS-4800 line of engineering workstations. EWS-UX is based largely on versions of Unix System V supplemented with BSD software. It was widely used from the late 1980s to around 2000.
Overview
EWS-UX and the EWS-4800 line of workstations were widely used... |
https://en.wikipedia.org/wiki/Color%20television | Color television (American English) or colour television (Commonwealth English) is a television transmission technology that includes color information for the picture, so the video image can be displayed in color on the television set. It improves on the monochrome or black-and-white television technology, which displ... |
https://en.wikipedia.org/wiki/Biosensors%20and%20Bioelectronics | Biosensors and Bioelectronics is a peer-reviewed scientific journal published by Elsevier. It covers research on biosensors and bioelectronics. The journal was established in 1985 as Biosensors and obtained its current name in 1991. The journal was established by I. John Higgins (Cranfield University), W. Geoff Potter ... |
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