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https://en.wikipedia.org/wiki/Dimetridazole | Dimetridazole is a drug that combats protozoan infections. It is a nitroimidazole class drug. It used to be commonly added to poultry feed. This led to it being found in eggs. Because of suspicions of it being carcinogenic its use has been legally limited but it is still found in the eggs. It is now banned as a lives... |
https://en.wikipedia.org/wiki/Eduard%20Helly | Eduard Helly (June 1, 1884 in Vienna – 28 November 1943 in Chicago) was a mathematician after whom Helly's theorem, Helly families, Helly's selection theorem, Helly metric, and the Helly–Bray theorem were named.
Life
Helly earned his doctorate from the University of Vienna in 1907, with two advisors, Wilhelm Wirtinger... |
https://en.wikipedia.org/wiki/Carbadox | Carbadox is a veterinary drug that combats infection in swine, particularly swine dysentery.
Indications
Carbadox is indicated for control of swine dysentery (vibrionic dysentery, bloody scours, or hemorrhagic dysentery); control of bacterial swine enteritis (salmonellosis or necrotic enteritis caused by Salmonella en... |
https://en.wikipedia.org/wiki/Paromomycin | Paromomycin is an antimicrobial used to treat a number of parasitic infections including amebiasis, giardiasis, leishmaniasis, and tapeworm infection. It is a first-line treatment for amebiasis or giardiasis during pregnancy. Otherwise, it is generally a second line treatment option. It is taken by mouth, applied to t... |
https://en.wikipedia.org/wiki/Harvard%20Mark%20IV | The Harvard Mark IV was an electronic stored-program computer built by Harvard University under the supervision of Howard Aiken for the United States Air Force. The computer was finished being built in 1952. It stayed at Harvard, where the Air Force used it extensively.
The Mark IV was all electronic. The Mark IV use... |
https://en.wikipedia.org/wiki/Linwood%20Springs%20Research%20Station | The Linwood Springs Research Station (LSRS) is a raptor research station located in Stevens Point, Wisconsin. Each fall, the station conducts studies on migrant Northern Saw-Whet Owls are to gain information about their migration routes, molt patterns, mortality rates, and winter and summer ranges.
The station also st... |
https://en.wikipedia.org/wiki/Merozoite%20surface%20protein | Merozoite surface proteins are both integral and peripheral membrane proteins found on the surface of a merozoite, an early life cycle stage of a protozoan. Merozoite surface proteins, or MSPs, are important in understanding malaria, a disease caused by protozoans of the genus Plasmodium. During the asexual blood stag... |
https://en.wikipedia.org/wiki/Geomagnetic%20reversal | A geomagnetic reversal is a change in a planet's magnetic field such that the positions of magnetic north and magnetic south are interchanged (not to be confused with geographic north and geographic south). The Earth's field has alternated between periods of normal polarity, in which the predominant direction of the fi... |
https://en.wikipedia.org/wiki/Futures%20and%20promises | In computer science, future, promise, delay, and deferred refer to constructs used for synchronizing program execution in some concurrent programming languages. They describe an object that acts as a proxy for a result that is initially unknown, usually because the computation of its value is not yet complete.
The ter... |
https://en.wikipedia.org/wiki/Helminthology | Helminthology is the study of parasitic worms (helminths). The field studies the taxonomy of helminths and their effects on their hosts.
The origin of the first compound of the word is the Greek ἕλμινς - helmins, meaning "worm".
In the 18th and early 19th century there was wave of publications on helminthology; this ... |
https://en.wikipedia.org/wiki/How%20to%20Design%20Programs | How to Design Programs (HtDP) is a textbook by Matthias Felleisen, Robert Bruce Findler, Matthew Flatt, and Shriram Krishnamurthi on the systematic design of computer programs. MIT Press published the first edition in 2001, and the second edition in 2018, which is freely available online and in print. The book introduc... |
https://en.wikipedia.org/wiki/Egg%20hatch%20assay | Egg hatch assay (EHA), also called an egg hatch test (EHT), is a method used to determine a given parasite's resistance to extant drug therapy.
Fresh eggs are incubated from the parasite of interest and serial dilutions of the drug of interest are applied. The percentage of eggs that hatch or die is determined at each... |
https://en.wikipedia.org/wiki/Jaccard%20index | The Jaccard index, also known as the Jaccard similarity coefficient, is a statistic used for gauging the similarity and diversity of sample sets.
It was developed by Grove Karl Gilbert in 1884 as his ratio of verification (v) and now is frequently referred to as the Critical Success Index in meteorology. It was later ... |
https://en.wikipedia.org/wiki/Amplified%20fragment%20length%20polymorphism | AFLP-PCR or just AFLP is a PCR-based tool used in genetics research, DNA fingerprinting, and in the practice of genetic engineering. Developed in the early 1990s by KeyGene, AFLP uses restriction enzymes to digest genomic DNA, followed by ligation of adaptors to the sticky ends of the restriction fragments. A subset of... |
https://en.wikipedia.org/wiki/Microneme | Micronemes are secretory organelles, possessed by parasitic apicomplexans. Micronemes are located on the apical third of the protozoan body. They are surrounded by a typical unit membrane. On electron microscopy they have an electron-dense matrix due to the high protein content. They are specialized secretory organelle... |
https://en.wikipedia.org/wiki/GeneXus | GeneXus is a low code, cross-platform, knowledge representation-based development tool, mainly oriented towards enterprise-class applications for web applications, smart devices, and the Microsoft Windows platform.
GeneXus uses mostly declarative language to generate native code for multiple environments. It includes ... |
https://en.wikipedia.org/wiki/Spaghetti%20sort | Spaghetti sort is a linear-time, analog algorithm for sorting a sequence of items, introduced by A. K. Dewdney in his Scientific American column. This algorithm sorts a sequence of items requiring O(n) stack space in a stable manner. It requires a parallel processor.
Algorithm
For simplicity, assume we are sorting a l... |
https://en.wikipedia.org/wiki/Xbox%20Linux | Xbox Linux was a project that ported the Linux operating system to the Xbox video game console. Because the Xbox uses a digital signature system to prevent the public from running unsigned code, one must either use a modchip, or a softmod. Originally, modchips were the only option; however, it was later demonstrated th... |
https://en.wikipedia.org/wiki/The%20Right%20to%20Read | The Right to Read is a short story by Richard Stallman, the founder of the Free Software Foundation, which was first published in 1997 in Communications of the ACM. It is a cautionary tale set in the year 2047, when DRM-like technologies are employed to restrict the readership of books; when the sharing of books and wr... |
https://en.wikipedia.org/wiki/Preemption%20%28computing%29 | In computing, preemption is the act of temporarily interrupting an executing task, with the intention of resuming it at a later time. This interrupt is done by an external scheduler with no assistance or cooperation from the task. This preemptive scheduler usually runs in the most privileged protection ring, meaning th... |
https://en.wikipedia.org/wiki/Honda%20E%20series | The E series was a collection of successive humanoid robots created by the Honda Motor Company between the years of 1986 and 1993. These robots were only experimental, but later evolved into the Honda P series, with Honda eventually amassing the knowledge and experience necessary to create Honda's advanced humanoid rob... |
https://en.wikipedia.org/wiki/Renninger%20negative-result%20experiment | In quantum mechanics, the Renninger negative-result experiment is a thought experiment that illustrates some of the difficulties of understanding the nature of wave function collapse and measurement in quantum mechanics. The statement is that a particle need not be detected in order for a quantum measurement to occur,... |
https://en.wikipedia.org/wiki/Intervalence%20charge%20transfer | In chemistry, intervalence charge transfer, often abbreviated IVCT or even IT, is a type of charge-transfer band that is associated with mixed valence compounds. It is most common for systems with two metal sites differing only in oxidation state. Quite often such electron transfer reverses the oxidation states of the... |
https://en.wikipedia.org/wiki/Allium%20montanum | The scientific name Allium montanum has been used for at least six different species of Allium.
Allium montanum Schrank – the only legitimate name, first used in 1785, now considered a synonym of Allium schoenoprasum subsp. schoenoprasum (chives)
The following names are synonyms for other species:
Allium montanum F.W... |
https://en.wikipedia.org/wiki/Christen%20C.%20Raunki%C3%A6r | Christen Christensen Raunkiær (29 March 1860 – 11 March 1938) was a Danish botanist, who was a pioneer of plant ecology. He is mainly remembered for his scheme of plant strategies to survive an unfavourable season ("life forms") and his demonstration that the relative abundance of strategies in floras largely correspon... |
https://en.wikipedia.org/wiki/Explicit%20formulae%20for%20L-functions | In mathematics, the explicit formulae for L-functions are relations between sums over the complex number zeroes of an L-function and sums over prime powers, introduced by for the Riemann zeta function. Such explicit formulae have been applied also to questions on bounding the discriminant of an algebraic number fi... |
https://en.wikipedia.org/wiki/Raunki%C3%A6r%20plant%20life-form | The Raunkiær system is a system for categorizing plants using life-form categories, devised by Danish botanist Christen C. Raunkiær and later extended by various authors.
History
It was first proposed in a talk to the Danish Botanical Society in 1904 as can be inferred from the printed discussion of that talk, but not... |
https://en.wikipedia.org/wiki/Dysplasia | Dysplasia is any of various types of abnormal growth or development of cells (microscopic scale) or organs (macroscopic scale), and the abnormal histology or anatomical structure(s) resulting from such growth. Dysplasias on a mainly microscopic scale include epithelial dysplasia and fibrous dysplasia of bone. Dysplasia... |
https://en.wikipedia.org/wiki/AUO%20Corporation | AUO Corporation (AUO; ) is a Taiwanese company that specialises in optoelectronic solutions. It was formed in September 2001 by the merger of Acer Display Technology, Inc. (the predecessor of AUO, established in 1996) and Unipac Optoelectronics Corporation. AUO offers display panel products and solutions, and in recent... |
https://en.wikipedia.org/wiki/Concurrent%20lines | In geometry, lines in a plane or higher-dimensional space are concurrent if they intersect at a single point. They are in contrast to parallel lines.
Examples
Triangles
In a triangle, four basic types of sets of concurrent lines are altitudes, angle bisectors, medians, and perpendicular bisectors:
A triangle's alt... |
https://en.wikipedia.org/wiki/Opisthorchis%20viverrini | Opisthorchis viverrini, common name Southeast Asian liver fluke, is a food-borne trematode parasite from the family Opisthorchiidae that infects the bile duct. People are infected after eating raw or undercooked fish. Infection with the parasite is called opisthorchiasis. O. viverrini infection also increases the ris... |
https://en.wikipedia.org/wiki/Lentiform%20nucleus | The lentiform nucleus (or lentiform complex, lenticular nucleus, or lenticular complex) are the putamen (laterally) and the globus pallidus (medially), collectively. Due to their proximity, these two structures were formerly considered one, however, the two are separated by a thin layer of white matter - the external m... |
https://en.wikipedia.org/wiki/Disk%20Utility | Disk Utility is a system utility for performing disk and disk volume-related tasks on the macOS operating system by Apple Inc.
Functions
The functions currently supported by Disk Utility include:
Creation, conversion, backup, compression, and encryption of logical volume images from a wide range of formats read by Di... |
https://en.wikipedia.org/wiki/Amastigote | An amastigote is a protist cell that does not have visible external flagella or cilia. The term is used mainly to describe an intracellular phase in the life-cycle of trypanosomes that replicates. It is also called the leishmanial stage, since in Leishmania it is the form the parasite takes in the vertebrate host, but ... |
https://en.wikipedia.org/wiki/Annexin | Annexin is a common name for a group of cellular proteins. They are mostly found in eukaryotic organisms (animal, plant and fungi).
In humans, the annexins are found inside the cell. However some annexins (Annexin A1, Annexin A2, and Annexin A5) can be secreted from the cytoplasm to outside cellular environments, such... |
https://en.wikipedia.org/wiki/DEC%20Multia | The Multia, later re-branded the Universal Desktop Box, was a line of desktop computers introduced by Digital Equipment Corporation on 7 November 1994. The line is notable in that units were offered with either an Alpha AXP or Intel Pentium processor as the CPU, and most hardware other than the backplane and CPU were ... |
https://en.wikipedia.org/wiki/History%20of%20fluid%20mechanics | The history of fluid mechanics is a fundamental strand of the history of physics and engineering. The study of the movement of fluids (liquids and gases) and the forces that act upon them dates back to pre-history. The field has undergone a continuous evolution, driven by human dependence on water, meteorological condi... |
https://en.wikipedia.org/wiki/Direct%20fluorescent%20antibody | A direct fluorescent antibody (DFA or dFA), also known as "direct immunofluorescence", is an antibody that has been tagged in a direct fluorescent antibody test. Its name derives from the fact that it directly tests the presence of an antigen with the tagged antibody, unlike western blotting, which uses an indirect met... |
https://en.wikipedia.org/wiki/Immunomagnetic%20separation | Immunomagnetic separation (IMS) is a laboratory tool that can efficiently isolate cells out of body fluid or cultured cells. It can also be used as a method of quantifying the pathogenicity of food, blood or feces. DNA analysis have supported the combined use of both this technique and Polymerase Chain Reaction (PCR). ... |
https://en.wikipedia.org/wiki/Bottleneck%20%28engineering%29 | In engineering, a bottleneck is a phenomenon by which the performance or capacity of an entire system is severely limited by a single component. The component is sometimes called a bottleneck point. The term is metaphorically derived from the neck of a bottle, where the flow speed of the liquid is limited by its neck. ... |
https://en.wikipedia.org/wiki/Rainbow%20Series | The Rainbow Series (sometimes known as the Rainbow Books) is a series of computer security standards and guidelines published by the United States government in the 1980s and 1990s. They were originally published by the U.S. Department of Defense Computer Security Center, and then by the National Computer Security Cent... |
https://en.wikipedia.org/wiki/Platysma%20muscle | The platysma muscle is a superficial muscle of the human neck that overlaps the sternocleidomastoid. It covers the anterior surface of the neck superficially. When it contracts, it produces a slight wrinkling of the neck, and a "bowstring" effect on either side of the neck.
Structure
The platysma muscle is a broad she... |
https://en.wikipedia.org/wiki/Surface%20power%20density | In physics and engineering, surface power density is power per unit area.
Applications
The intensity of electromagnetic radiation can be expressed in W/m2. An example of such a quantity is the solar constant.
Wind turbines are often compared using a specific power measuring watts per square meter of turbine disk are... |
https://en.wikipedia.org/wiki/Power%20density | Power density is the amount of power (time rate of energy transfer) per unit volume.
In energy transformers including batteries, fuel cells, motors, power supply units etc., power density refers to a volume, where it is often called volume power density, expressed as W/m3.
In reciprocating internal combustion engines... |
https://en.wikipedia.org/wiki/Kelvin%20probe%20force%20microscope | Kelvin probe force microscopy (KPFM), also known as surface potential microscopy, is a noncontact variant of atomic force microscopy (AFM). By raster scanning in the x,y plane the work function of the sample can be locally mapped for correlation with sample features. When there is little or no magnification, this appro... |
https://en.wikipedia.org/wiki/Semantic%20differential | The semantic differential (SD) is a measurement scale designed to measure a person's subjective perception of, and affective reactions to, the properties of concepts, objects, and events by making use of a set of bipolar scales. The SD is used to assess one's opinions, attitudes, and values regarding these concepts, ob... |
https://en.wikipedia.org/wiki/RAF%20Denge | Denge is a former Royal Air Force site near Dungeness, in Kent, England. It is best known for the early experimental acoustic mirrors which remain there.
The acoustic mirrors, known colloquially as 'listening ears', at Denge are located between Greatstone-on-Sea and Lydd airfield, on the banks of a now disused gravel ... |
https://en.wikipedia.org/wiki/Super%20black | Super black is a surface treatment developed at the National Physical Laboratory (NPL) in the United Kingdom. It absorbs approximately 99.6% of visible light at normal incidence, while conventional black paint absorbs about 97.5%. At other angles of incidence, super black is even more effective: at an angle of 45°, it ... |
https://en.wikipedia.org/wiki/Intensity%20interferometer | An intensity interferometer is the name given to devices that use the Hanbury Brown and Twiss effect. In astronomy, the most common use of such an astronomical interferometer is to determine the apparent angular diameter of a radio source or star. If the distance to the object can then be determined by parallax or some... |
https://en.wikipedia.org/wiki/Inelastic%20mean%20free%20path | The inelastic mean free path (IMFP) is an index of how far an electron on average travels through a solid before losing energy.
If a monochromatic, primary beam of electrons is incident on a solid surface, the majority of incident electrons lose their energy because they interact strongly with matter, leading to plasm... |
https://en.wikipedia.org/wiki/Calcium%20phosphide | Calcium phosphide (CP) is the inorganic compound with the formula Ca3P2. It is one of several phosphides of calcium, being described as the salt-like material composed of Ca2+ and P3−. Other, more exotic calcium phosphides have the formula CaP / Ca2P2, CaP3, and Ca5P8.
Ca3P2 has the appearance of red-brown crystalli... |
https://en.wikipedia.org/wiki/Net2Phone | net2phone is a Cloud Communications provider offering cloud based telephony services to businesses worldwide. The company is a subsidiary of IDT Corporation.
History
net2phone was founded in 1990 by telecom entrepreneur Howard Jonas, the chairman and chief executive officer of net2phone’s parent company, IDT Corporati... |
https://en.wikipedia.org/wiki/TRADIC | The TRADIC (for TRAnsistor DIgital Computer or TRansistorized Airborne DIgital Computer) was the first transistorized computer in the USA, completed in 1954.
The computer was built by Jean Howard Felker of Bell Labs for the United States Air Force while L.C. Brown ("Charlie Brown") was a lead engineer on the project, ... |
https://en.wikipedia.org/wiki/Finite%20strain%20theory | In continuum mechanics, the finite strain theory—also called large strain theory, or large deformation theory—deals with deformations in which strains and/or rotations are large enough to invalidate assumptions inherent in infinitesimal strain theory. In this case, the undeformed and deformed configurations of the con... |
https://en.wikipedia.org/wiki/Repetition%20blindness | Repetition blindness (RB) is a phenomenon observed in rapid serial visual presentation. People are sometimes poor at recognizing when things happen twice. Repetition blindness is the failure to recognize a second happening of a visual display. The two displays are shown sequentially, possibly with other stimuli display... |
https://en.wikipedia.org/wiki/Calculus%20%28medicine%29 | A calculus (: calculi), often called a stone, is a concretion of material, usually mineral salts, that forms in an organ or duct of the body. Formation of calculi is known as lithiasis (). Stones can cause a number of medical conditions.
Some common principles (below) apply to stones at any location, but for specifics... |
https://en.wikipedia.org/wiki/Hot%20atom | In physical chemistry, a hot atom is an atom that has a high kinetic or internal energy.
When molecule AB adsorbs on a surface dissociatively,
both A and B adsorb on the surface, or
only A adsorbs on the surface, and B desorbs from the surface.
In case 2, B gains a high translational energy from the adsorption ene... |
https://en.wikipedia.org/wiki/Beryllium%20oxide | Beryllium oxide (BeO), also known as beryllia, is an inorganic compound with the formula BeO. This colourless solid is a notable electrical insulator with a higher thermal conductivity than any other non-metal except diamond, and exceeds that of most metals. As an amorphous solid, beryllium oxide is white. Its high mel... |
https://en.wikipedia.org/wiki/Lempel%E2%80%93Ziv%E2%80%93Storer%E2%80%93Szymanski | Lempel–Ziv–Storer–Szymanski (LZSS) is a lossless data compression algorithm, a derivative of LZ77, that was created in 1982 by James A. Storer and Thomas Szymanski. LZSS was described in article "Data compression via textual substitution" published in Journal of the ACM (1982, pp. 928–951).
LZSS is a dictionary coding... |
https://en.wikipedia.org/wiki/Closed-loop%20authentication | Closed-loop authentication, as applied to computer network communication, refers to a mechanism whereby one party verifies the purported identity of another party by requiring them to supply a copy of a token transmitted to the canonical or trusted point of contact for that identity. It is also sometimes used to refer... |
https://en.wikipedia.org/wiki/Sampled%20data%20system | In systems science, a sampled-data system is a control system in which a continuous-time plant is controlled with a digital device. Under periodic sampling, the sampled-data system is time-varying but also periodic; thus, it may be modeled by a simplified discrete-time system obtained by discretizing the plant. Howeve... |
https://en.wikipedia.org/wiki/Lov%C3%A1sz%20local%20lemma | In probability theory, if a large number of events are all independent of one another and each has probability less than 1, then there is a positive (possibly small) probability that none of the events will occur. The Lovász local lemma allows one to relax the independence condition slightly: As long as the events are ... |
https://en.wikipedia.org/wiki/Lustre%20%28programming%20language%29 | Lustre is a formally defined, declarative, and synchronous dataflow programming language for programming reactive systems. It began as a research project in the early 1980s. A formal presentation of the language can be found in the 1991 Proceedings of the IEEE. In 1993 it progressed to practical, industrial use in a co... |
https://en.wikipedia.org/wiki/Averest | Averest is a synchronous programming language and set of tools to specify, verify, and implement reactive systems. It includes a compiler for synchronous programs, a symbolic model checker, and a tool for hardware/software synthesis.
It can be used to model and verify finite and infinite state systems, at varied abstr... |
https://en.wikipedia.org/wiki/Inspissation | Inspissation is the process of increasing the viscosity of a fluid, or even of causing it to solidify, typically by dehydration or otherwise reducing its content of solvents. The term also has been applied to coagulation by heating of some substances such as albumens, or cooling some such as solutions of gelatin or aga... |
https://en.wikipedia.org/wiki/Test%20harness | In software testing, a test harness is a collection of stubs and drivers configured to assist with the testing of an application or component. It acts as imitation infrastructure for test environments or containers where the full infrastructure is either not available or not desired.
Test harnesses allow for the autom... |
https://en.wikipedia.org/wiki/Georgi%E2%80%93Jarlskog%20mass%20relation | In grand unified theories of the SU(5) or SO(10) type, there is a mass relation predicted between the electron and the down quark, the muon and the strange quark and the tau lepton and the bottom quark called the Georgi–Jarlskog mass relations. The relations were formulated by Howard Georgi and Cecilia Jarlskog.
At GU... |
https://en.wikipedia.org/wiki/JSON-RPC | JSON-RPC is a remote procedure call protocol encoded in JSON. It is similar to the XML-RPC protocol, defining only a few data types and commands. JSON-RPC allows for notifications (data sent to the server that does not require a response) and for multiple calls to be sent to the server which may be answered asynchronou... |
https://en.wikipedia.org/wiki/Umklapp%20scattering | In crystalline materials, Umklapp scattering (also U-process or Umklapp process) is a scattering process that results in a wave vector (usually written k) which falls outside the first Brillouin zone. If a material is periodic, it has a Brillouin zone, and any point outside the first Brillouin zone can also be expresse... |
https://en.wikipedia.org/wiki/Detailed%20balance | The principle of detailed balance can be used in kinetic systems which are decomposed into elementary processes (collisions, or steps, or elementary reactions). It states that at equilibrium, each elementary process is in equilibrium with its reverse process.
History
The principle of detailed balance was explicitly i... |
https://en.wikipedia.org/wiki/Paleopathology | Paleopathology, also spelled palaeopathology, is the study of ancient diseases and injuries in organisms through the examination of fossils, mummified tissue, skeletal remains, and analysis of coprolites. Specific sources in the study of ancient human diseases may include early documents, illustrations from early books... |
https://en.wikipedia.org/wiki/Harry%20Steenbock | Harry Steenbock (August 16, 1886, Charlestown, Wisconsin – December 25, 1967, Madison, Wisconsin) was a professor of biochemistry at the University of Wisconsin–Madison. Steenbock graduated from Wisconsin in 1916, where he was a member of Phi Sigma Kappa fraternity.
Vitamin D
Steenbock was born in Charlestown, Wiscon... |
https://en.wikipedia.org/wiki/European%20Ecological%20Federation | The European Ecological Foundation (EEF) is a European organisation with the objective "to promote cooperation within the science of ecology in Europe".
Members
Its members are:
British Ecological Society, United Kingdom and Ireland
Gesellschaft für Ökologie, Germany, Austria, Switzerland, and Liechtenstein
Socié... |
https://en.wikipedia.org/wiki/Generic%20filter | In the mathematical field of set theory, a generic filter is a kind of object used in the theory of forcing, a technique used for many purposes, but especially to establish the independence of certain propositions from certain formal theories, such as ZFC. For example, Paul Cohen used forcing to establish that ZFC, if ... |
https://en.wikipedia.org/wiki/Physical%20plant | Physical plant, mechanical plant or industrial plant (and where context is given, often just plant) refers to the necessary infrastructure used in operation and maintenance of a given facility. The operation of these facilities, or the department of an organization which does so, is called "plant operations" or facilit... |
https://en.wikipedia.org/wiki/Two-vector | A two-vector or bivector is a tensor of type and it is the dual of a two-form, meaning that it is a linear functional which maps two-forms to the real numbers (or more generally, to scalars).
The tensor product of a pair of vectors is a two-vector. Then, any two-form can be expressed as a linear combination of tenso... |
https://en.wikipedia.org/wiki/Numerical%20taxonomy | Numerical taxonomy is a classification system in biological systematics which deals with the grouping by numerical methods of taxonomic units based on their character states. It aims to create a taxonomy using numeric algorithms like cluster analysis rather than using subjective evaluation of their properties. The con... |
https://en.wikipedia.org/wiki/Property%20of%20Baire | A subset of a topological space has the property of Baire (Baire property, named after René-Louis Baire), or is called an almost open set, if it differs from an open set by a meager set; that is, if there is an open set such that is meager (where denotes the symmetric difference).
Definitions
A subset of a to... |
https://en.wikipedia.org/wiki/Memorex | Memorex Corp. began as a computer tape producer and expanded to become both a consumer media supplier and a major IBM plug compatible peripheral supplier. It was broken up and ceased to exist after 1996 other than as a consumer electronics brand specializing in disk recordable media for CD and DVD drives, flash memory... |
https://en.wikipedia.org/wiki/Anderson%20localization | In condensed matter physics, Anderson localization (also known as strong localization) is the absence of diffusion of waves in a disordered medium. This phenomenon is named after the American physicist P. W. Anderson, who was the first to suggest that electron localization is possible in a lattice potential, provided t... |
https://en.wikipedia.org/wiki/Thouless%20energy | The Thouless energy is a characteristic energy scale of diffusive disordered conductors. It was first introduced by the Scottish-American physicist David J. Thouless when studying Anderson localization,
as a measure of the sensitivity of energy levels to a change in the boundary conditions of the system. Though being a... |
https://en.wikipedia.org/wiki/Sector%20mass%20spectrometer | A sector instrument is a general term for a class of mass spectrometer that uses a static electric (E) or magnetic (B) sector or some combination of the two (separately in space) as a mass analyzer. Popular combinations of these sectors have been the EB, BE (of so-called reverse geometry), three-sector BEB and four-sec... |
https://en.wikipedia.org/wiki/Temporal%20logic%20of%20actions | Temporal logic of actions (TLA) is a logic developed by Leslie Lamport, which combines temporal logic with a logic of actions.
It is used to describe behaviours of concurrent and distributed systems. It is the logic underlying the specification language TLA+.
Details
Statements in the temporal logic of actions are of... |
https://en.wikipedia.org/wiki/Skype%20Technologies | Skype Technologies S.A.R.L (also known as Skype Software S.A.R.L, Skype Communications S.A.R.L, Skype Inc., and Skype Limited) is a telecommunications company headquartered in Luxembourg City, Luxembourg, whose chief business is the manufacturing and marketing of the video chat and instant messaging computer software p... |
https://en.wikipedia.org/wiki/Poisson%20kernel | In mathematics, and specifically in potential theory, the Poisson kernel is an integral kernel, used for solving the two-dimensional Laplace equation, given Dirichlet boundary conditions on the unit disk. The kernel can be understood as the derivative of the Green's function for the Laplace equation. It is named for Si... |
https://en.wikipedia.org/wiki/Koha%20%28software%29 | Koha is an open-source integrated library system (ILS), used world-wide by public, school and special libraries. The name comes from a Māori term for a gift or donation.
Features
Koha is a web-based ILS, with a SQL database (MariaDB or MySQL preferred) back end with cataloguing data stored in MARC and accessible via... |
https://en.wikipedia.org/wiki/Geometry%20processing | Geometry processing, or mesh processing, is an area of research that uses concepts from applied mathematics, computer science and engineering to design efficient algorithms for the acquisition, reconstruction, analysis, manipulation, simulation and transmission of complex 3D models. As the name implies, many of the co... |
https://en.wikipedia.org/wiki/Fosmidomycin | Fosmidomycin is an antibiotic that was originally isolated from culture broths of bacteria of the genus Streptomyces. It specifically inhibits DXP reductoisomerase, a key enzyme in the non-mevalonate pathway of isoprenoid biosynthesis. It is a structural analogue of 2-C-methyl-D-erythrose 4-phosphate. It inhibits the E... |
https://en.wikipedia.org/wiki/Noke%20%28worms%29 | Noke is a culinary term used by the Māori of New Zealand to refer to earthworms, some types of native worms (called noke whiti and noke kurekure in Māori) are historically local delicacies reserved for chiefs because of their sweet flavour which was said to "remain in the mouth for two days". Another notable kind of wo... |
https://en.wikipedia.org/wiki/Procedural%20generation | In computing, procedural generation (sometimes shortened as proc-gen) is a method of creating data algorithmically as opposed to manually, typically through a combination of human-generated content and algorithms coupled with computer-generated randomness and processing power. In computer graphics, it is commonly used ... |
https://en.wikipedia.org/wiki/Key%20Tronic | Key Tronic Corporation (branded Keytronic) is a technology company founded in 1969. Its core products initially included keyboards, mice and other input devices. KeyTronic currently specializes in PCBA and full product assembly. The company is among the ten largest contract manufacturers providing electronic manufactur... |
https://en.wikipedia.org/wiki/Magnetogravity%20wave | A magnetogravity wave is a type of plasma wave. A magnetogravity wave is an acoustic gravity wave which is associated with fluctuations in the background magnetic field. In this context, gravity wave refers to a classical fluid wave, and is completely unrelated to the relativistic gravitational wave.
Examples
Magnet... |
https://en.wikipedia.org/wiki/Z2%20%28computer%29 | The Z2 was an electromechanical (mechanical and relay-based) digital computer that was completed by Konrad Zuse in 1940. It was an improvement on the Z1 Zuse built in his parents' home, which used the same mechanical memory. In the Z2, he replaced the arithmetic and control logic with 600 electrical relay circuits, wei... |
https://en.wikipedia.org/wiki/Burrow | A burrow is a hole or tunnel excavated into the ground by an animal to construct a space suitable for habitation or temporary refuge, or as a byproduct of locomotion. Burrows provide a form of shelter against predation and exposure to the elements, and can be found in nearly every biome and among various biological in... |
https://en.wikipedia.org/wiki/Nuclear%20reaction%20analysis | Nuclear reaction analysis (NRA) is a nuclear method of nuclear spectroscopy in materials science to obtain concentration vs. depth distributions for certain target chemical elements in a solid thin film.
Mechanism of NRA
If irradiated with select projectile nuclei at kinetic energies Ekin, target solid thin-film chemi... |
https://en.wikipedia.org/wiki/Dirichlet%20beta%20function | In mathematics, the Dirichlet beta function (also known as the Catalan beta function) is a special function, closely related to the Riemann zeta function. It is a particular Dirichlet L-function, the L-function for the alternating character of period four.
Definition
The Dirichlet beta function is defined as
or, equi... |
https://en.wikipedia.org/wiki/Phosgene%20oxime | Phosgene oxime, or CX, is an organic compound with the formula Cl2CNOH. It is a potent chemical weapon, specifically a nettle agent, which is a type of blister agent. The compound itself is a colorless solid, but impure samples are often yellowish liquids. It has a strong, disagreeable and irritating odor. It is used ... |
https://en.wikipedia.org/wiki/Labyrinth%3A%20The%20Computer%20Game | Labyrinth: The Computer Game is a 1986 graphic adventure game developed by Lucasfilm Games and published by Activision. Based on the fantasy film Labyrinth, it tasks the player with navigating a maze while solving puzzles and evading dangers. The player's goal is to find and defeat the main antagonist, Jareth, within 1... |
https://en.wikipedia.org/wiki/Wilderness-acquired%20diarrhea | Wilderness-acquired diarrhea is a variety of traveler's diarrhea in which backpackers and other outdoor enthusiasts are affected. Potential sources are contaminated food or water, or "hand-to-mouth", directly from another person who is infected. Cases generally resolve spontaneously, with or without treatment, and the ... |
https://en.wikipedia.org/wiki/Term%20algebra | In universal algebra and mathematical logic, a term algebra is a freely generated algebraic structure over a given signature. For example, in a signature consisting of a single binary operation, the term algebra over a set X of variables is exactly the free magma generated by X. Other synonyms for the notion include ab... |
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