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https://en.wikipedia.org/wiki/Soil%20zoology | Soil zoology or pedozoology is the study of animals living fully or partially in the soil (soil fauna). The field of study was developed in the 1940s by Mercury Ghilarov in Russia. Ghilarov noted inverse relationships between size and numbers of soil organisms. He also suggested that soil included water, air and solid ... |
https://en.wikipedia.org/wiki/Lorenz%20system | The Lorenz system is a system of ordinary differential equations first studied by mathematician and meteorologist Edward Lorenz. It is notable for having chaotic solutions for certain parameter values and initial conditions. In particular, the Lorenz attractor is a set of chaotic solutions of the Lorenz system. In popu... |
https://en.wikipedia.org/wiki/Information%20theory%20and%20measure%20theory | This article discusses how information theory (a branch of mathematics studying the transmission, processing and storage of information) is related to measure theory (a branch of mathematics related to integration and probability).
Measures in information theory
Many of the concepts in information theory have separat... |
https://en.wikipedia.org/wiki/Gambling%20and%20information%20theory | Statistical inference might be thought of as gambling theory applied to the world around us. The myriad applications for logarithmic information measures tell us precisely how to take the best guess in the face of partial information. In that sense, information theory might be considered a formal expression of the the... |
https://en.wikipedia.org/wiki/Yitzhak%20Katznelson | Yitzhak Katznelson (; born 1934) is an Israeli mathematician.
Katznelson was born in Jerusalem. He received his doctoral degree from the University of Paris in 1956. He is a professor of mathematics at Stanford University.
He is the author of An Introduction to Harmonic Analysis, which won the Steele Prize for Math... |
https://en.wikipedia.org/wiki/Music%20and%20mathematics | Music theory analyzes the pitch, timing, and structure of music. It uses mathematics to study elements of music such as tempo, chord progression, form, and meter. The attempt to structure and communicate new ways of composing and hearing music has led to musical applications of set theory, abstract algebra and number t... |
https://en.wikipedia.org/wiki/Earth-centered%2C%20Earth-fixed%20coordinate%20system | The Earth-centered, Earth-fixed coordinate system (acronym ECEF), also known as the geocentric coordinate system, is a cartesian spatial reference system that represents locations in the vicinity of the Earth (including its surface, interior, atmosphere, and surrounding outer space) as X, Y, and Z measurements from its... |
https://en.wikipedia.org/wiki/Local%20tangent%20plane%20coordinates | Local tangent plane coordinates (LTP), also known as local ellipsoidal system, local geodetic coordinate system, or local vertical, local horizontal coordinates (LVLH), are a spatial reference system based on the tangent plane defined by the local vertical direction and the Earth's axis of rotation.
It consists of thre... |
https://en.wikipedia.org/wiki/AN/FSQ-32 | The AN/FSQ-32 SAGE Solid State Computer (AN/FSQ-7A before December 1958, colloq. "Q-32") was a planned military computer central for deployment to Super Combat Centers in nuclear bunkers and to some above-ground military installations. In 1958, Air Defense Command planned to acquire 13 Q-32 centrals for several Air Di... |
https://en.wikipedia.org/wiki/Clean-in-place | Clean-in-place (CIP) is an automated method of cleaning the interior surfaces of pipes, vessels, equipment, filters and associated fittings, without major disassembly. CIP is commonly used for equipment such as piping, tanks, and fillers. CIP employs turbulent flow through piping, and/or spray balls for large surfaces.... |
https://en.wikipedia.org/wiki/Lute%20of%20Pythagoras | The lute of Pythagoras is a self-similar geometric figure made from a sequence of pentagrams.
Constructions
The lute may be drawn from a sequence of pentagrams.
The centers of the pentagraphs lie on a line and (except for the first and largest of them) each shares two vertices with the next larger one in the sequence.... |
https://en.wikipedia.org/wiki/List%20of%20limits | This is a list of limits for common functions such as elementary functions. In this article, the terms a, b and c are constants with respect to x.
Limits for general functions
Definitions of limits and related concepts
if and only if This is the (ε, δ)-definition of limit.
The limit superior and limit inferior of... |
https://en.wikipedia.org/wiki/Ali%20Baba%20and%2040%20Thieves%20%28video%20game%29 | Ali Baba and 40 Thieves is a maze arcade video game released by Sega in 1982. Players take the role of the famous Arabian hero who must fend off and kill the forty thieves who are trying to steal his money. The game is based on the folk tale of the same name. It was ported to the MSX platform, and then a Vector-06C por... |
https://en.wikipedia.org/wiki/Karl%20K%C3%BCpfm%C3%BCller | Karl Küpfmüller (6 October 1897 – 26 December 1977) was a German electrical engineer, who was prolific in the areas of communications technology, measurement and control engineering, acoustics, communication theory, and theoretical electro-technology.
Biography
Küpfmüller was born in Nuremberg, where he studied at the... |
https://en.wikipedia.org/wiki/Conditional%20operator | The conditional operator is supported in many programming languages. This term usually refers to ?: as in C, C++, C#, and JavaScript. However, in Java, this term can also refer to && and ||.
&& and ||
In some programming languages, e.g. Java, the term conditional operator refers to short circuit boolean operators &&... |
https://en.wikipedia.org/wiki/Polyglycerol%20polyricinoleate | Polyglycerol polyricinoleate (PGPR), E476, is an emulsifier made from glycerol and fatty acids (usually from castor bean, but also from soybean oil). In chocolate, compound chocolate and similar coatings, PGPR is mainly used with another substance like lecithin to reduce viscosity. It is used at low levels (below 0.5%)... |
https://en.wikipedia.org/wiki/Expansion%20joint | A expansion joint, or movement joint, is an assembly designed to hold parts together while safely absorbing temperature-induced expansion and contraction of building materials. They are commonly found between sections of buildings, bridges, sidewalks, railway tracks, piping systems, ships, and other structures.
Buildi... |
https://en.wikipedia.org/wiki/Prosigns%20for%20Morse%20code | Procedural signs or prosigns are shorthand signals used in Morse code telegraphy, for the purpose of simplifying and standardizing procedural protocols for land-line and radio communication. The procedural signs are distinct from conventional Morse code abbreviations, which consist mainly of brevity codes that convey m... |
https://en.wikipedia.org/wiki/Morse%20code%20abbreviations | Morse code abbreviations are used to speed up Morse communications by foreshortening textual words and phrases. Morse abbreviations are short forms, representing normal textual words and phrases formed from some (fewer) characters taken from the word or phrase being abbreviated. Many are typical English abbreviations, ... |
https://en.wikipedia.org/wiki/Multicopy%20single-stranded%20DNA | Multicopy single-stranded DNA (msDNA) is a type of extrachromosomal satellite DNA that consists of a single-stranded DNA molecule covalently linked via a 2'-5'phosphodiester bond to an internal guanosine of an RNA molecule. The resultant DNA/RNA chimera possesses two stem-loops joined by a branch similar to the branche... |
https://en.wikipedia.org/wiki/The%20Regenerative%20Medicine%20Institute | The Regenerative Medicine Institute (REMEDI), was established in 2003 as a Centre for Science, Technology & Engineering in collaboration with National University of Ireland, Galway. It obtained an award of €14.9 million from Science Foundation Ireland over five years.
It conducts basic research and applied research in... |
https://en.wikipedia.org/wiki/Arkanoid%3A%20Revenge%20of%20Doh | Arkanoid: Revenge of Doh (a.k.a. Arkanoid 2) is an arcade game released by Taito in 1987 as a sequel to Arkanoid.
Plot
The mysterious enemy known as DOH has returned to seek vengeance on the Vaus space vessel. The player must once again take control of the Vaus (paddle) and overcome many challenges in order to destroy... |
https://en.wikipedia.org/wiki/Logic%20level | In digital circuits, a logic level is one of a finite number of states that a digital signal can inhabit. Logic levels are usually represented by the voltage difference between the signal and ground, although other standards exist. The range of voltage levels that represent each state depends on the logic family being ... |
https://en.wikipedia.org/wiki/Biological%20process | Biological processes are those processes that are vital for an organism to live, and that shape its capacities for interacting with its environment. Biological processes are made of many chemical reactions or other events that are involved in the persistence and transformation of life forms. Metabolism and homeostasis ... |
https://en.wikipedia.org/wiki/Stewart%E2%80%93Walker%20lemma | The Stewart–Walker lemma provides necessary and sufficient conditions for the linear perturbation of a tensor field to be gauge-invariant. if and only if one of the following holds
1.
2. is a constant scalar field
3. is a linear combination of products of delta functions
Derivation
A 1-parameter family of ma... |
https://en.wikipedia.org/wiki/Wireless%20application%20service%20provider | A wireless application service provider (WASP) is the generic name for a firm that provides remote services, typically to handheld devices, such as cellphones or PDAs, that connect to wireless data networks. WASPs are a specific category of application service providers (ASPs), though the latter term may more often be ... |
https://en.wikipedia.org/wiki/Biracks%20and%20biquandles | In mathematics, biquandles and biracks are sets with binary operations that generalize quandles and racks. Biquandles take, in the theory of virtual knots, the place that quandles occupy in the theory of classical knots. Biracks and racks have the same relation, while a biquandle is a birack which satisfies some additi... |
https://en.wikipedia.org/wiki/Urea-to-creatinine%20ratio | In medicine, the urea-to-creatinine ratio (UCR), known in the United States as BUN-to-creatinine ratio, is the ratio of the blood levels of urea (BUN) (mmol/L) and creatinine (Cr) (μmol/L). BUN only reflects the nitrogen content of urea (MW 28) and urea measurement reflects the whole of the molecule (MW 60), urea is ju... |
https://en.wikipedia.org/wiki/Software%20security%20assurance | Software security assurance is a process that helps design and implement software that protects the data and resources contained in and controlled by that software. Software is itself a resource and thus must be afforded appropriate security.
What is software security assurance?
Software Security Assurance (SSA) is t... |
https://en.wikipedia.org/wiki/Successive-approximation%20ADC | A successive-approximation ADC is a type of analog-to-digital converter that converts a continuous analog waveform into a discrete digital representation using a binary search through all possible quantization levels before finally converging upon a digital output for each conversion.
Algorithm
The successive-approxi... |
https://en.wikipedia.org/wiki/Antibody%20microarray | An antibody microarray (also known as antibody array) is a specific form of protein microarray. In this technology, a collection of captured antibodies are spotted and fixed on a solid surface such as glass, plastic, membrane, or silicon chip, and the interaction between the antibody and its target antigen is detected.... |
https://en.wikipedia.org/wiki/Nairi%20%28computer%29 | The first Nairi (, ) computer was developed and launched into production in 1964, at the Yerevan Research Institute of Mathematical Machines (Yerevan, Armenia), and were chiefly designed by Hrachya Ye. Hovsepyan. In 1965, a modified version called Nairi-M, and in 1967 versions called Nairi-S and Nairi-2, were developed... |
https://en.wikipedia.org/wiki/Amylolytic%20process | Amylolytic process or amylolysis is the conversion of starch into sugar by the action of acids or enzymes such as amylase.
Starch begins to pile up inside the leaves of plants during times of light when starch is able to be produced by photosynthetic processes. This ability to make starch disappears in the dark due to... |
https://en.wikipedia.org/wiki/Advanced%20Message%20Queuing%20Protocol | The Advanced Message Queuing Protocol (AMQP) is an open standard application layer protocol for message-oriented middleware. The defining features of AMQP are message orientation, queuing, routing (including point-to-point and publish-and-subscribe), reliability and security.
AMQP mandates the behavior of the messagin... |
https://en.wikipedia.org/wiki/Apeirogon | In geometry, an apeirogon () or infinite polygon is a polygon with an infinite number of sides. Apeirogons are the two-dimensional case of infinite polytopes. In some literature, the term "apeirogon" may refer only to the regular apeirogon, with an infinite dihedral group of symmetries.
Definitions
Classical construc... |
https://en.wikipedia.org/wiki/WAN%20optimization | WAN optimization is a collection of techniques for improving data transfer across wide area networks (WANs). In 2008, the WAN optimization market was estimated to be $1 billion, and was to grow to $4.4 billion by 2014 according to Gartner, a technology research firm. In 2015 Gartner estimated the WAN optimization mark... |
https://en.wikipedia.org/wiki/Demand%20characteristics | In social research, particularly in psychology, the term demand characteristic refers to an experimental artifact where participants form an interpretation of the experiment's purpose and subconsciously change their behavior to fit that interpretation. Typically, demand characteristics are considered an extraneous vari... |
https://en.wikipedia.org/wiki/Paleobiology | Paleobiology (or palaeobiology) is an interdisciplinary field that combines the methods and findings found in both the earth sciences and the life sciences. Paleobiology is not to be confused with geobiology, which focuses more on the interactions between the biosphere and the physical Earth.
Paleobiological research ... |
https://en.wikipedia.org/wiki/GeeXboX | GeeXboX (stylized as GEExBox) is a free Linux distribution providing a media center software suite for personal computers. GeeXboX 2.0 and later uses XBMC for media playback and is implemented as Live USB and Live CD options. As such, the system does not need to be permanently installed to a hard drive, as most modern... |
https://en.wikipedia.org/wiki/Signed%20distance%20function | In mathematics and its applications, the signed distance function (or oriented distance function) is the orthogonal distance of a given point x to the boundary of a set Ω in a metric space, with the sign determined by whether or not x is in the interior of Ω. The function has positive values at points x inside Ω, it de... |
https://en.wikipedia.org/wiki/Sergey%20Mergelyan | Sergey Mergelyan (; 19 May 1928 – 20 August 2008) was a Soviet and Armenian mathematician, who made major contributions to the Approximation theory. The modern Complex Approximation Theory is based on Mergelyan's classical work. Corresponding Member of the Academy of Sciences of the Soviet Union (since 1953), member of... |
https://en.wikipedia.org/wiki/Progressive%20muscular%20atrophy | Progressive muscular atrophy (PMA), also called Duchenne–Aran disease and Duchenne–Aran muscular atrophy, is a disorder characterised by the degeneration of lower motor neurons, resulting in generalised, progressive loss of muscle function.
PMA is classified among motor neuron diseases (MND) where it is thought to acc... |
https://en.wikipedia.org/wiki/Immunoglobulin%20superfamily | The immunoglobulin superfamily (IgSF) is a large protein superfamily of cell surface and soluble proteins that are involved in the recognition, binding, or adhesion processes of cells. Molecules are categorized as members of this superfamily based on shared structural features with immunoglobulins (also known as antibo... |
https://en.wikipedia.org/wiki/Dry%20run%20%28testing%29 | A dry run (or practice run) is a software testing process used to make sure that a system works correctly and will not result in severe failure. For example, rsync, a utility for transferring and synchronizing data between networked computers or storage drives, has a "dry-run" option users can use to check that their c... |
https://en.wikipedia.org/wiki/Lorcon | lorcon (acronym for Loss Of Radio CONnectivity) is an open source network tool. It is a library for injecting 802.11 (WLAN) frames, capable of injecting via multiple driver frameworks, without the need to change the application code. Lorcon is built by patching the third-party MadWifi-driver for cards based on the Qual... |
https://en.wikipedia.org/wiki/Quasi-open%20map | In topology a branch of mathematics, a quasi-open map or quasi-interior map is a function which has similar properties to continuous maps.
However, continuous maps and quasi-open maps are not related.
Definition
A function between topological spaces and is quasi-open if, for any non-empty open set , the interior... |
https://en.wikipedia.org/wiki/Gain%20%28projection%20screens%29 | Gain is a property of a projection screen, and is one of the specifications quoted by projection screen manufacturers.
Interpretation
The number that is typically measured is called the peak gain at zero degrees viewing axis, and represents the gain value for a viewer seated along a line perpendicular to the screen's... |
https://en.wikipedia.org/wiki/Principal%20meridian | A principal meridian is a meridian used for survey control in a large region.
Canada
The Dominion Land Survey of Western Canada took its origin at the First (or Principal) Meridian, located at 97°27′28.41″ west of Greenwich, just west of Winnipeg, Manitoba. This line is exactly ten miles west of the Red River at the C... |
https://en.wikipedia.org/wiki/De%20novo%20synthesis | In chemistry, de novo synthesis () refers to the synthesis of complex molecules from simple molecules such as sugars or amino acids, as opposed to recycling after partial degradation. For example, nucleotides are not needed in the diet as they can be constructed from small precursor molecules such as formate and aspart... |
https://en.wikipedia.org/wiki/System%20of%20systems%20engineering | System of systems engineering (SoSE) is a set of developing processes, tools, and methods for designing, re-designing and deploying solutions to system-of-systems challenges.
Overview
System of Systems Engineering (SoSE) methodology is heavily used in U.S. Department of Defense applications, but is increasingly being... |
https://en.wikipedia.org/wiki/Laboratory%20automation | Laboratory automation is a multi-disciplinary strategy to research, develop, optimize and capitalize on technologies in the laboratory that enable new and improved processes. Laboratory automation professionals are academic, commercial and government researchers, scientists and engineers who conduct research and devel... |
https://en.wikipedia.org/wiki/Global%20Environment%20for%20Network%20Innovations | The Global Environment for Network Innovations (GENI) is a facility concept being explored by the United States computing community with support from the National Science Foundation. The goal of GENI is to enhance experimental research in computer networking and distributed systems, and to accelerate the transition of... |
https://en.wikipedia.org/wiki/Turboexpander | A turboexpander, also referred to as a turbo-expander or an expansion turbine, is a centrifugal or axial-flow turbine, through which a high-pressure gas is expanded to produce work that is often used to drive a compressor or generator.
Because work is extracted from the expanding high-pressure gas, the expansion is ap... |
https://en.wikipedia.org/wiki/List%20of%20people%20with%20breast%20cancer | This list of notable people with breast cancer includes people who made significant contributions to their chosen field and who were diagnosed with breast cancer at some point in their lives, as confirmed by public information. Diagnosis dates are listed where the information is known. Breast cancer is the second most ... |
https://en.wikipedia.org/wiki/Color-tagged%20structure | A color-tagged structure is a structure which has been classified by a color to represent the severity of damage or the overall condition of the building. The exact definition for each color may be different in different countries and jurisdictions.
A "red-tagged" structure has been severely damaged to the degree that... |
https://en.wikipedia.org/wiki/Stream%20capacity | The capacity of a stream or river is the total amount of sediment a stream is able to transport. This measurement usually corresponds to the stream power and the width-integrated bed shear stress across section along a stream profile. Note that capacity is greater than the load, which is the amount of sediment carried... |
https://en.wikipedia.org/wiki/Information%20Systems%20Research | Information Systems Research is a quarterly peer-reviewed academic journal that covers research in the areas of information systems and information technology, including cognitive psychology, economics, computer science, operations research, design science, organization theory and behavior, sociology, and strategic man... |
https://en.wikipedia.org/wiki/Godunov%27s%20theorem | In numerical analysis and computational fluid dynamics, Godunov's theorem — also known as Godunov's order barrier theorem — is a mathematical theorem important in the development of the theory of high-resolution schemes for the numerical solution of partial differential equations.
The theorem states that:
Linear nume... |
https://en.wikipedia.org/wiki/List%20of%20aging%20processes | Accumulation of lipofuscin
Aging brain
Calorie restriction
Cross-link
Crosslinking of DNA
Degenerative disease
DNA damage theory of aging
Exposure to ultraviolet light
Free-radical damage
Glycation
Life expectancy
Longevity
Maximum life span
Senescence
Stem cell theory of aging
See also
Index of topics ... |
https://en.wikipedia.org/wiki/Stopped-flow | Stopped-flow is an experimental technique for studying chemical reactions with a half time of the order of 1 ms, introduced by Britton Chance and extended by Quentin Gibson (Other techniques, such as the temperature-jump method, are available for much faster processes.)
Description of the method
Summary
Stopped-flow... |
https://en.wikipedia.org/wiki/Block%20and%20bleed%20manifold | A Block and bleed manifold is a hydraulic manifold that combines one or more block/isolate valves, usually ball valves, and one or more bleed/vent valves, usually ball or needle valves, into one component for interface with other components (pressure measurement transmitters, gauges, switches, etc.) of a hydraulic (fl... |
https://en.wikipedia.org/wiki/%C3%89cole%20nationale%20sup%C3%A9rieure%20d%27ing%C3%A9nieurs%20de%20constructions%20a%C3%A9ronautiques | The École nationale supérieure d'ingénieurs de constructions aéronautiques (ENSICA), meaning National Higher School of aeronautical constructions, was a French engineering school founded in 1945. It was located in Toulouse. In 2007, Ensica merged with Supaéro to form the Institut supérieur de l'aéronautique et de l'esp... |
https://en.wikipedia.org/wiki/Utah%20Education%20Network | The Utah Education Network (UEN) is a broadband and digital broadcast network serving public education, higher education, applied technology campuses, libraries, and public charter schools throughout the state of Utah. The Network facilitates interactive video conferencing, provides instructional support services, and ... |
https://en.wikipedia.org/wiki/Instrument%20control | Instrument control consists of connecting a desktop instrument to a computer and taking measurements.
History
In the late 1960s the first bus used for communication was developed by Hewlett-Packard and was called HP-IB (Hewlett-Packard Interface Bus). Since HP-IB was originally designed to only work with HP instrument... |
https://en.wikipedia.org/wiki/Ichnotaxon | An ichnotaxon (plural ichnotaxa) is "a taxon based on the fossilized work of an organism", i.e. the non-human equivalent of an artifact. Ichnotaxa comes from the Greek , ichnos meaning track and , taxis meaning ordering.
Ichnotaxa are names used to identify and distinguish morphologically distinctive ichnofossils, mor... |
https://en.wikipedia.org/wiki/Integral%20windup | Integral windup, also known as integrator windup or reset windup, refers to the situation in a PID controller where a large change in setpoint occurs (say a positive change) and the integral term accumulates a significant error during the rise (windup), thus overshooting and continuing to increase as this accumulated e... |
https://en.wikipedia.org/wiki/Flow-based%20programming | In computer programming, flow-based programming (FBP) is a programming paradigm that defines applications as networks of black box processes, which exchange data across predefined connections by message passing, where the connections are specified externally to the processes. These black box processes can be reconnecte... |
https://en.wikipedia.org/wiki/Pseudorandom%20graph | In graph theory, a graph is said to be a pseudorandom graph if it obeys certain properties that random graphs obey with high probability. There is no concrete definition of graph pseudorandomness, but there are many reasonable characterizations of pseudorandomness one can consider.
Pseudorandom properties were first f... |
https://en.wikipedia.org/wiki/Robin%20Hartshorne |
Robin Cope Hartshorne ( ; born March 15, 1938) is an American mathematician who is known for his work in algebraic geometry.
Career
Hartshorne was a Putnam Fellow in Fall 1958 while he was an undergraduate at Harvard University (under the name Robert C. Hartshorne). He received a Ph.D. in mathematics from Princeton ... |
https://en.wikipedia.org/wiki/Decentralized%20computing | Decentralized computing is the allocation of resources, both hardware and software, to each individual workstation, or office location. In contrast, centralized computing exists when the majority of functions are carried out, or obtained from a remote centralized location. Decentralized computing is a trend in modern-d... |
https://en.wikipedia.org/wiki/Ubique%20%28company%29 | Ubique was a software company based in Israel.
In 1994 the company launched the first social-networking software, which included instant messaging, voice over IP (Commonly known as VoIP), chat rooms, web-based events, collaborative browsing. It is best known for the Virtual Places software product and the technology u... |
https://en.wikipedia.org/wiki/Grid%20method%20multiplication | The grid method (also known as the box method) of multiplication is an introductory approach to multi-digit multiplication calculations that involve numbers larger than ten. Because it is often taught in mathematics education at the level of primary school or elementary school, this algorithm is sometimes called the gr... |
https://en.wikipedia.org/wiki/Colossal%20Typewriter | Colossal Typewriter by John McCarthy and Roland Silver was one of the earliest computer text editors. The program ran on the PDP-1 at Bolt, Beranek and Newman (BBN) by December 1960.
About this time, both authors were associated with the Massachusetts Institute of Technology, but it is unclear whether the editor ran o... |
https://en.wikipedia.org/wiki/Triton%20%28content%20delivery%29 | Triton was a digital delivery and digital rights management service created by Digital Interactive Streams, which abruptly went out of business in early October 2006.
Triton was a new competitor in the rapidly growing market for electronic distribution of video games. Triton was being used to serve budget-oriented gam... |
https://en.wikipedia.org/wiki/Expensive%20Tape%20Recorder | Expensive Tape Recorder is a digital audio program written by David Gross while a student at the Massachusetts Institute of Technology. Gross developed the idea with Alan Kotok, a fellow member of the Tech Model Railroad Club. The recorder and playback system ran in the late 1950s or early 1960s on MIT's TX-0 computer ... |
https://en.wikipedia.org/wiki/Immunodermatology | Immunodermatology studies skin as an organ of immunity in health and disease. Several areas have special attention, such as photo-immunology (effects of UV light on skin defense), inflammatory diseases such as Hidradenitis suppurativa, allergic contact dermatitis and atopic eczema, presumably autoimmune skin diseases s... |
https://en.wikipedia.org/wiki/Harmony%20Compiler | Harmony Compiler was written by Peter Samson at the Massachusetts Institute of Technology (MIT). The compiler was designed to encode music for the PDP-1 and built on an earlier program Samson wrote for the TX-0 computer.
Jack Dennis noticed and had mentioned to Samson that the sound on or off state of the TX-0's speak... |
https://en.wikipedia.org/wiki/318%20%28number%29 | 318 is the natural number following 317 and preceding 319.
In mathematics
318 is:
a sphenic number
a nontotient
the number of posets with 6 unlabeled elements
the sum of 12 consecutive primes, 7 + 11 + 13 + 17 + 19 + 23 + 29 + 31 + 37 + 41 + 43 + 47.
In religion
In Genesis 14, Abraham takes 318 men to rescue his brot... |
https://en.wikipedia.org/wiki/UCT%20Mathematics%20Competition | The UCT Mathematics Competition is an annual mathematics competition for schools in the Western Cape province of South Africa, held at the University of Cape Town.
Around 7000 participants from Grade 8 to Grade 12 take part, writing a multiple-choice paper. Individual and pair entries are accepted, but all write the s... |
https://en.wikipedia.org/wiki/Delta%20robot | A delta robot is a type of parallel robot that consists of three arms connected to universal joints at the base. The key design feature is the use of parallelograms in the arms, which maintains the orientation of the end effector. In contrast, Stewart platform can change the orientation of its end effector.
Delta robo... |
https://en.wikipedia.org/wiki/BBGKY%20hierarchy | In statistical physics, the BBGKY hierarchy (Bogoliubov–Born–Green–Kirkwood–Yvon hierarchy, sometimes called Bogoliubov hierarchy) is a set of equations describing the dynamics of a system of a large number of interacting particles. The equation for an s-particle distribution function (probability density function) in ... |
https://en.wikipedia.org/wiki/Timing%20margin | Timing margin is an electronics term that defines the difference between the actual change in a signal and the latest time at which the signal can change in order for an electronic circuit to function correctly. It is used in the design of digital electronics.
Illustration
In this image, the lower signal is the cloc... |
https://en.wikipedia.org/wiki/Trinucleotide%20repeat%20expansion | A trinucleotide repeat expansion, also known as a triplet repeat expansion, is the DNA mutation responsible for causing any type of disorder categorized as a trinucleotide repeat disorder. These are labelled in dynamical genetics as dynamic mutations. Triplet expansion is caused by slippage during DNA replication, also... |
https://en.wikipedia.org/wiki/%C3%89tale%20topology | In algebraic geometry, the étale topology is a Grothendieck topology on the category of schemes which has properties similar to the Euclidean topology, but unlike the Euclidean topology, it is also defined in positive characteristic. The étale topology was originally introduced by Alexander Grothendieck to define étal... |
https://en.wikipedia.org/wiki/Omega%20Chi%20Epsilon | Omega Chi Epsilon (or , sometimes simplified to OXE) is an American honor society for chemical engineering students.
History
The first chapter of Omega Chi Epsilon was formed at the University of Illinois in 1931 by a group of chemical engineering students. These Founders were:
F. C. Howard
A. Garrell Deem
Ethan M... |
https://en.wikipedia.org/wiki/Wall%20stud | A wall stud is a vertical repetitive framing member in a building's wall of smaller cross section than a post. It is a fundamental element in frame building.
Etymology
Stud is an ancient word related to similar words in Old English, Old Norse, Middle High German, and Old Teutonic generally meaning prop or support. Oth... |
https://en.wikipedia.org/wiki/Dowker%E2%80%93Thistlethwaite%20notation | In the mathematical field of knot theory, the Dowker–Thistlethwaite (DT) notation or code, for a knot is a sequence of even integers. The notation is named after Clifford Hugh Dowker and Morwen Thistlethwaite, who refined a notation originally due to Peter Guthrie Tait.
Definition
To generate the Dowker–Thistlethwait... |
https://en.wikipedia.org/wiki/Parking%20sensor | Parking sensors are proximity sensors for road vehicles designed to alert the driver of obstacles while parking. These systems use either electromagnetic or ultrasonic sensors.
Ultrasonic systems
These systems feature ultrasonic proximity detectors to measure the distances to nearby objects via sensors located in th... |
https://en.wikipedia.org/wiki/TRANZ%20330 | The TRANZ 330 is a popular point-of-sale device manufactured by VeriFone in 1985. The most common application for these units is bank and credit card processing, however, as a general purpose computer, they can perform other novel functions. Other applications include gift/benefit card processing, prepaid phone cards... |
https://en.wikipedia.org/wiki/Cartan%E2%80%93Kuranishi%20prolongation%20theorem | Given an exterior differential system defined on a manifold M, the Cartan–Kuranishi prolongation theorem says that after a finite number of prolongations the system is either in involution (admits at least one 'large' integral manifold), or is impossible.
History
The theorem is named after Élie Cartan and Masatake Kur... |
https://en.wikipedia.org/wiki/Antique%20radio | An antique radio is a radio receiving set that is collectible because of its age and rarity.
Types of antique radio
Morse receivers
The first radio receivers used a coherer and sounding board, and were only able to receive continuous wave (CW) transmissions, encoded with Morse code (wireless telegraphy). Later wirele... |
https://en.wikipedia.org/wiki/Comet%20assay | The single cell gel electrophoresis assay (SCGE, also known as comet assay) is an uncomplicated and sensitive technique for the detection of DNA damage at the level of the individual eukaryotic cell. It was first developed by Östling & Johansson in 1984 and later modified by Singh et al. in 1988. It has since increased... |
https://en.wikipedia.org/wiki/Instruction%20step | An instruction step is a method of executing a computer program one step at a time to determine how it is functioning. This might be to determine if the correct program flow is being followed in the program during the execution or to see if variables are set to their correct values after a single step has completed.
H... |
https://en.wikipedia.org/wiki/List%20of%20silicon%20producers | This is a list of silicon producers. The industry involves several very different stages of production. Production starts at silicon metal, which is the material used to gain high purity silicon. High purity silicon in different grades of purity is used for growing silicon ingots, which are sliced to wafers in a proc... |
https://en.wikipedia.org/wiki/6LoWPAN | 6LoWPAN (acronym of "IPv6 over Low-Power Wireless Personal Area Networks") was a working group of the Internet Engineering Task Force (IETF).
It was created with the intention of applying the Internet Protocol (IP) even to the smallest devices, enabling low-power devices with limited processing capabilities to partici... |
https://en.wikipedia.org/wiki/Maze%20runner | In electronic design automation, maze runner is a connection routing method that represents the entire routing space as a grid. Parts of this grid are blocked by components, specialised areas, or already present wiring. The grid size corresponds to the wiring pitch of the area. The goal is to find a chain of grid cells... |
https://en.wikipedia.org/wiki/Active%20appearance%20model | An active appearance model (AAM) is a computer vision algorithm for matching a statistical model of object shape and appearance to a new image. They are built during a training phase. A set of images, together with coordinates of landmarks that appear in all of the images, is provided to the training supervisor.
The m... |
https://en.wikipedia.org/wiki/Oleanane | Oleanane is a natural triterpenoid. It is commonly found in woody angiosperms and as a result is often used as an indicator of these plants in the fossil record. It is a member of the oleanoid series, which consists of pentacyclic triterpenoids (such as beta-amyrin and taraxerol) where all rings are six-membered.
Stru... |
https://en.wikipedia.org/wiki/Academic%20Dictionary%20of%20Lithuanian | The Academic Dictionary of Lithuanian ( or ) is a comprehensive thesaurus of the Lithuanian language and one of the most extensive lexicographical works in the world. The 20 volumes encompassing 22,000 pages were published between 1941 and 2002 by the Institute of the Lithuanian Language. An online and a CD version was... |
https://en.wikipedia.org/wiki/ORiNOCO | ORiNOCO was the brand name for a family of wireless networking technology by Proxim Wireless (previously Lucent). These integrated circuits (codenamed Hermes) provide wireless connectivity for 802.11-compliant Wireless LANs.
Variants
Lucent offered several variants of the PC Card, referred to by different color-base... |
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