id int64 39 79M | url stringlengths 32 168 | text stringlengths 7 145k | source stringlengths 2 105 | categories listlengths 1 6 | token_count int64 3 32.2k | subcategories listlengths 0 27 |
|---|---|---|---|---|---|---|
25,150,322 | https://en.wikipedia.org/wiki/Orthogonal%20diagonalization | In linear algebra, an orthogonal diagonalization of a normal matrix (e.g. a symmetric matrix) is a diagonalization by means of an orthogonal change of coordinates.
The following is an orthogonal diagonalization algorithm that diagonalizes a quadratic form q(x) on n by means of an orthogonal change of coordinates X = P... | Orthogonal diagonalization | [
"Mathematics"
] | 252 | [
"Linear algebra",
"Algebra"
] |
25,153,936 | https://en.wikipedia.org/wiki/Performance-based%20building%20design | Performance-Based Building Design is an approach to the design of any complexity of building, from single-detached homes up to and including high-rise apartments and office buildings. A building constructed in this way is required to meet certain measurable or predictable performance requirements, such as energy effici... | Performance-based building design | [
"Engineering"
] | 4,837 | [
"Building engineering",
"Civil engineering",
"Architecture"
] |
25,154,546 | https://en.wikipedia.org/wiki/Mechanical%20filter | A mechanical filter is a signal processing filter usually used in place of an electronic filter at radio frequencies. Its purpose is the same as that of a normal electronic filter: to pass a range of signal frequencies, but to block others. The filter acts on mechanical vibrations which are the analogue of the electr... | Mechanical filter | [
"Physics",
"Chemistry",
"Technology",
"Engineering"
] | 6,613 | [
"Sound recording technology",
"Electronic design",
"Analog circuits",
"Filters",
"Electronic engineering",
"Mechanics",
"Mechanical engineering by discipline",
"Mechanical engineering",
"Electromechanical engineering",
"Electrical engineering",
"Recording devices",
"Design",
"Signal processi... |
25,154,610 | https://en.wikipedia.org/wiki/Sorption%20calorimetry | The method of sorption calorimetry is designed for studies of hydration of complex organic and biological materials. It has been applied for studies of surfactants, lipids, DNA, nanomaterials and other substances. A sorption calorimetric experiment is performed at isothermal regime, but different temperatures can be st... | Sorption calorimetry | [
"Physics",
"Chemistry"
] | 391 | [
"Transport phenomena",
"Physical phenomena",
"Heat transfer",
"Thermodynamics"
] |
37,840,569 | https://en.wikipedia.org/wiki/Electrochemical%20fatigue%20crack%20sensor | An Electrochemical Fatigue Crack Sensor (EFCS) is a type of low cost electrochemical nondestructive dynamic testing method used primarily in the aerospace and transportation infrastructure industries. The method is used to locate surface-breaking and slightly subsurface defects in all metallic materials. In bridge stru... | Electrochemical fatigue crack sensor | [
"Materials_science",
"Technology",
"Engineering"
] | 1,253 | [
"Nondestructive testing",
"Materials testing",
"Sensors",
"Measuring instruments"
] |
37,841,887 | https://en.wikipedia.org/wiki/Elastic%20mechanisms%20in%20animals | Elastic mechanisms in animals are very important in the movement of vertebrate animals. The muscles that control vertebrate locomotion are affiliated with tissues that are springy, such as tendons, which lie within the muscles and connective tissue. A spring can be a mechanism for different actions involved in hopping,... | Elastic mechanisms in animals | [
"Physics",
"Materials_science",
"Biology"
] | 1,785 | [
"Physical phenomena",
"Animals",
"Animal physiology",
"Elasticity (physics)",
"Deformation (mechanics)",
"Physical properties"
] |
37,844,522 | https://en.wikipedia.org/wiki/Gene%20therapy%20for%20osteoarthritis | Gene therapy for osteoarthritis is the application of gene therapy to treat osteoarthritis (OA). Unlike pharmacological treatments which are administered locally or systemically as a series of interventions, gene therapy aims to establish sustained therapeutic effect after a single, local injection.
The main risk fact... | Gene therapy for osteoarthritis | [
"Engineering",
"Biology"
] | 4,090 | [
"Gene therapy",
"Genetic engineering"
] |
37,847,650 | https://en.wikipedia.org/wiki/Cypherpunks%20%28book%29 | Cypherpunks: Freedom and the Future of the Internet is a 2012 book by Julian Assange, in discussion with Internet activists and cypherpunks Jacob Appelbaum, Andy Müller-Maguhn and Jérémie Zimmermann. Its primary topic is society's relationship with information security. In the book, the authors warn that the Internet h... | Cypherpunks (book) | [
"Mathematics",
"Engineering"
] | 317 | [
"Applied mathematics",
"Cryptography",
"Cybersecurity engineering"
] |
31,194,124 | https://en.wikipedia.org/wiki/5-cell%20honeycomb | In four-dimensional Euclidean geometry, the 4-simplex honeycomb, 5-cell honeycomb or pentachoric-dispentachoric honeycomb is a space-filling tessellation honeycomb. It is composed of 5-cells and rectified 5-cells facets in a ratio of 1:1.
Structure
Cells of the vertex figure are ten tetrahedrons and 20 triangular pris... | 5-cell honeycomb | [
"Physics",
"Chemistry",
"Materials_science"
] | 1,823 | [
"Tessellation",
"Crystallography",
"Honeycombs (geometry)",
"Symmetry"
] |
32,186,226 | https://en.wikipedia.org/wiki/Line%20group | A line group is a mathematical way of describing symmetries associated with moving along a line. These symmetries include repeating along that line, making that line a one-dimensional lattice. However, line groups may have more than one dimension, and they may involve those dimensions in its isometries or symmetry tran... | Line group | [
"Physics",
"Mathematics"
] | 837 | [
"Functions and mappings",
"Euclidean symmetries",
"Mathematical objects",
"Mathematical relations",
"Symmetry"
] |
32,187,203 | https://en.wikipedia.org/wiki/Layer%20group | In mathematics, a layer group is a three-dimensional extension of a wallpaper group, with reflections in the third dimension. It is a space group with a two-dimensional lattice, meaning that it is symmetric over repeats in the two lattice directions. The symmetry group at each lattice point is an axial crystallographic... | Layer group | [
"Physics",
"Mathematics"
] | 206 | [
"Functions and mappings",
"Euclidean symmetries",
"Mathematical objects",
"Mathematical relations",
"Symmetry"
] |
32,195,081 | https://en.wikipedia.org/wiki/Q-exponential%20distribution | The q-exponential distribution is a probability distribution arising from the maximization of the Tsallis entropy under appropriate constraints, including constraining the domain to be positive. It is one example of a Tsallis distribution. The q-exponential is a generalization of the exponential distribution in the sa... | Q-exponential distribution | [
"Physics"
] | 572 | [
"Statistical mechanics"
] |
32,195,422 | https://en.wikipedia.org/wiki/STEP%20Study | The STEP Study was a Phase IIb clinical trial intended to study the efficacy of an experimental HIV vaccine based on a human adenovirus 5 (HAdV-5) vector. The study was conducted in North and South America, the Caribbean, and Australia. A related study (the "Phambili trial") using the same experimental vaccine was cond... | STEP Study | [
"Chemistry"
] | 744 | [
"HIV vaccine research",
"Drug discovery"
] |
32,196,401 | https://en.wikipedia.org/wiki/Integer%20broom%20topology | In general topology, a branch of mathematics, the integer broom topology is an example of a topology on the so-called integer broom space X.
Definition of the integer broom space
The integer broom space X is a subset of the plane R2. Assume that the plane is parametrised by polar coordinates. The integer broom conta... | Integer broom topology | [
"Mathematics"
] | 291 | [
"General topology",
"Mathematical structures",
"Space (mathematics)",
"Topological spaces",
"Topology"
] |
32,197,567 | https://en.wikipedia.org/wiki/Hecke%20algebra%20of%20a%20pair | In mathematics, the Hecke algebra of a pair (G, K) of locally compact or reductive Lie groups is an algebra of measures under convolution. It can also be defined for a pair (g, K) of a maximal compact subgroup K of a Lie group with Lie algebra g, in which case the Hecke algebra is an algebra with an approximate identit... | Hecke algebra of a pair | [
"Mathematics"
] | 756 | [
"Representation theory",
"Fields of abstract algebra"
] |
40,601,541 | https://en.wikipedia.org/wiki/Bateman%20equation | In nuclear physics, the Bateman equation is a mathematical model describing abundances and activities in a decay chain as a function of time, based on the decay rates and initial abundances. The model was formulated by Ernest Rutherford in 1905 and the analytical solution was provided by Harry Bateman in 1910.
If, at ... | Bateman equation | [
"Physics",
"Chemistry"
] | 342 | [
"Radioactivity",
"Nuclear physics"
] |
40,601,687 | https://en.wikipedia.org/wiki/Border%20barrier | A border barrier, border fence or border wall is a separation barrier that runs along or near an international border. Such barriers are typically constructed for border control purposes such as curbing illegal immigration, human trafficking, and smuggling. Some such barriers are constructed for defence or security rea... | Border barrier | [
"Physics",
"Engineering"
] | 1,624 | [
"Structural engineering",
"Separation barriers",
"Types of wall",
"Space",
"Spacetime",
"Borders",
"Border barriers"
] |
40,607,155 | https://en.wikipedia.org/wiki/BCFW%20recursion | The Britto–Cachazo–Feng–Witten recursion relations are a set of on-shell recursion relations in quantum field theory. They are named for their creators, Ruth Britto, Freddy Cachazo, Bo Feng and Edward Witten.
The BCFW recursion method is a way of calculating scattering amplitudes. This technique is widely used in ana... | BCFW recursion | [
"Physics",
"Chemistry"
] | 167 | [
"Quantum field theory",
"Scattering theory",
"Scattering stubs",
"Quantum mechanics",
"Scattering"
] |
42,025,871 | https://en.wikipedia.org/wiki/Dimetcote | Dimetcote is commonly used for steel corrosion resistance. It is generally reliable under humid or corrosive conditions. Because of this, Dimetcote is widely used in ships, power generation facilities, and marine, oil, and offshore structures.
History
The Dimetcote patent was approved in 1948 by the U.S. Patent Offic... | Dimetcote | [
"Chemistry",
"Materials_science"
] | 405 | [
"Metallurgy",
"Corrosion",
"Electrochemistry",
"Electrochemistry stubs",
"Materials degradation",
"Physical chemistry stubs"
] |
42,027,929 | https://en.wikipedia.org/wiki/Nokia%20Lumia%20Icon | The Nokia Lumia Icon (originally known as the Lumia 929) is a high-end smartphone developed by Nokia that runs Microsoft's Windows Phone 8 operating system. It was announced on February 12, 2014, and released on Verizon Wireless in the United States on February 20, 2014. It is currently exclusive to Verizon and the U.... | Nokia Lumia Icon | [
"Technology"
] | 876 | [
"Discontinued flagship smartphones",
"Flagship smartphones"
] |
49,545,883 | https://en.wikipedia.org/wiki/Synthetic%20immunology | Synthetic immunology is the rational design and construction of synthetic systems that perform complex immunological functions. Functions include using specific cell markers to target cells for destruction and or interfering with immune reactions. US Food and Drug Administration (FDA)-approved immune system modulators ... | Synthetic immunology | [
"Engineering",
"Biology"
] | 721 | [
"Synthetic biology",
"Biological engineering",
"Bioinformatics",
"Immunology",
"Molecular genetics"
] |
49,549,493 | https://en.wikipedia.org/wiki/Pepsi%20Spire | Pepsi Spire is a touch screen soda fountain introduced by PepsiCo in 2014. The Spire's main competitor is the Coca-Cola Freestyle. Currently, Spire is available to retailers in two models, 2.0 and 5.0. It was designed by the Japanese machinery company Mitsubishi Heavy Industries.
History
The Spire was first unveiled a... | Pepsi Spire | [
"Physics",
"Technology",
"Engineering"
] | 407 | [
"Machines",
"Commercial machines",
"Vending machines",
"Automation",
"Physical systems"
] |
49,552,891 | https://en.wikipedia.org/wiki/Wax%20emulsion | Wax emulsions are stable mixtures of one or more waxes in water. Waxes and water are normally immiscible but can be brought together stably by the use of surfactants and a clever preparation process. Strictly speaking a wax emulsion should be called a wax dispersion since the wax is solid at room temperature. However, ... | Wax emulsion | [
"Physics",
"Chemistry",
"Materials_science",
"Engineering"
] | 621 | [
"Materials science stubs",
"Materials science",
"Colloids",
"Materials",
"Chemical mixtures",
"Condensed matter physics",
"Matter",
"Waxes"
] |
50,677,472 | https://en.wikipedia.org/wiki/Karlsruhe%20Accurate%20Arithmetic | Karlsruhe Accurate Arithmetic (KAA), or Karlsruhe Accurate Arithmetic Approach (KAAA), augments conventional floating-point arithmetic with good error behaviour with new operations to calculate scalar products with a single rounding error.
The foundations for KAA were developed at the University of Karlsruhe starting ... | Karlsruhe Accurate Arithmetic | [
"Mathematics",
"Technology"
] | 78 | [
"Computational mathematics",
"Computer arithmetic",
"Arithmetic",
"Mathematical relations",
"Numerical analysis",
"Computing stubs",
"Approximations"
] |
43,492,426 | https://en.wikipedia.org/wiki/Toroidal%20Fusion%20Core%20Experiment | The Toroidal Fusion Core Experiment (TFCX) was a US design study for a tokamak fusion experiment in the mid 1980s.
It was intended to achieve ignition using long burns of over 100 seconds. It could have used superconducting coils to create a 10 Tesla magnetic field.
Designed for an nt ~ 3x1020 and ion energy ~ 10-20ke... | Toroidal Fusion Core Experiment | [
"Physics"
] | 90 | [
"Plasma physics stubs",
"Nuclear and atomic physics stubs",
"Plasma physics",
"Nuclear physics"
] |
43,492,779 | https://en.wikipedia.org/wiki/Golden%20Gate%20Cloning | Golden Gate Cloning or Golden Gate assembly is a molecular cloning method that allows a researcher to simultaneously and directionally assemble multiple DNA fragments into a single piece using Type IIS restriction enzymes and T4 DNA ligase. This assembly is performed in vitro. Most commonly used Type IIS enzymes inclu... | Golden Gate Cloning | [
"Chemistry",
"Biology"
] | 2,570 | [
"Biochemistry",
"Molecular biology"
] |
43,495,360 | https://en.wikipedia.org/wiki/Unified%20Diagnostic%20Services | Unified Diagnostic Services (UDS) is a diagnostic communication protocol used in electronic control units (ECUs) within automotive electronics, which is specified in the ISO 14229-1. It is derived from ISO 14230-3 (KWP2000) and the now obsolete ISO 15765-3 (Diagnostic Communication over Controller Area Network (DoCAN))... | Unified Diagnostic Services | [
"Technology",
"Engineering"
] | 598 | [
"Embedded systems",
"Computer science",
"Computer engineering",
"Computer systems"
] |
43,496,222 | https://en.wikipedia.org/wiki/Deuterated%20drug | A deuterated drug is a small molecule medicinal product in which one or more of the hydrogen atoms in the drug molecule have been replaced by its heavier stable isotope deuterium. Because of the kinetic isotope effect, deuterium-containing drugs may have significantly lower rates of metabolism, and hence a longer half-... | Deuterated drug | [
"Chemistry"
] | 883 | [
"Chemicals in medicine",
"Medicinal chemistry"
] |
45,313,942 | https://en.wikipedia.org/wiki/PAN%20domain | PAN domains have significant functional versatility fulfilling diverse biological roles by mediating protein-protein and protein-carbohydrate interactions. These domains contain a hair-pin loop like structure, similar to that found in knottins but with a different pattern of disulfide bonds.
It has been shown that the... | PAN domain | [
"Chemistry",
"Biology"
] | 330 | [
"Biochemistry stubs",
"Protein stubs",
"Protein domains",
"Protein classification"
] |
45,318,796 | https://en.wikipedia.org/wiki/Russian%20Geometric%20Kernel | Russian Geometric Kernel (also known as RGK) is a proprietary geometric modeling kernel developed by several Russian software companies, most notably Top Systems and LEDAS, and supervised by STANKIN (State Technology University). It was written in C++.
History
The kernel was developed in 2011–2013 under the supervisio... | Russian Geometric Kernel | [
"Engineering"
] | 443 | [
"Computer-aided design",
"Design engineering"
] |
45,320,987 | https://en.wikipedia.org/wiki/Furstenberg%20boundary | In potential theory, a discipline within applied mathematics, the Furstenberg boundary is a notion of boundary associated with a group. It is named for Harry Furstenberg, who introduced it in a series of papers beginning in 1963 (in the case of semisimple Lie groups). The Furstenberg boundary, roughly speaking, is a ... | Furstenberg boundary | [
"Mathematics"
] | 467 | [
"Mathematical objects",
"Functions and mappings",
"Mathematical relations",
"Potential theory"
] |
46,647,638 | https://en.wikipedia.org/wiki/Pax%20Atomica | Pax Atomica (Latin for “Atomic Peace”) is one of the terms that has sometimes been used to describe the period of severe tensions without a major military conflict between the United States and the Soviet Union during the Cold War. The term is also at times used to describe the entire post World War II/ post-atomic-bom... | Pax Atomica | [
"Chemistry"
] | 312 | [
"Radioactivity",
"Nuclear warfare"
] |
46,647,836 | https://en.wikipedia.org/wiki/Orange%20carotenoid%20protein | Orange carotenoid protein (OCP) is a water-soluble protein which plays a role in photoprotection in diverse cyanobacteria. It is the only photoactive protein known to use a carotenoid as the photoresponsive chromophore. The protein consists of two domains, with a single keto-carotenoid molecule non-covalently bound be... | Orange carotenoid protein | [
"Chemistry",
"Biology"
] | 2,156 | [
"Biomarkers",
"Photosynthesis",
"Carotenoids",
"nan",
"Biochemistry"
] |
46,655,391 | https://en.wikipedia.org/wiki/Prism%20spectrometer | A prism spectrometer is an optical spectrometer which uses a dispersive prism as its dispersive element. The prism refracts light into its different colors (wavelengths). The dispersion occurs because the angle of refraction is dependent on the refractive index of the prism's material, which in turn is slightly depende... | Prism spectrometer | [
"Physics",
"Chemistry",
"Technology",
"Engineering"
] | 447 | [
"Refractometers",
"Spectrum (physical sciences)",
"Measuring instruments",
"Spectrometers",
"Spectroscopy"
] |
29,882,763 | https://en.wikipedia.org/wiki/K%20factor%20%28crude%20oil%20refining%29 | The K factor or characterization factor is defined from Rankine boiling temperature °R=1.8Tb[k] and relative to water density ρ at 60°F:
K(UOP) =
The K factor is a systematic way of classifying a crude oil according to its paraffinic, naphthenic, intermediate or aromatic nature. 12.5 or higher indicate a crude oil... | K factor (crude oil refining) | [
"Chemistry"
] | 144 | [
"Separation processes",
"Petroleum stubs",
"Petroleum technology",
"Petroleum",
"Oil refining",
"nan",
"Chemical process stubs"
] |
29,888,055 | https://en.wikipedia.org/wiki/Terminal%20Productivity%20Executive | Terminal Productivity Executive (TPX) is a multiple session manager for IBM mainframes. It allows connected users to access resources with a single sign-on. It holds several sessions concurrently, allowing a person to switch among them via the single connection on their physical terminal or terminal emulator applicatio... | Terminal Productivity Executive | [
"Technology"
] | 154 | [
"Computing stubs",
"Software stubs"
] |
33,800,100 | https://en.wikipedia.org/wiki/Hilbert%E2%80%93Burch%20theorem | In mathematics, the Hilbert–Burch theorem describes the structure of some free resolutions of a quotient of a local or graded ring in the case that the quotient has projective dimension 2. proved a version of this theorem for polynomial rings, and proved a more general version. Several other authors later rediscovere... | Hilbert–Burch theorem | [
"Mathematics"
] | 173 | [
"Theorems in algebra",
"Commutative algebra",
"Fields of abstract algebra",
"Mathematical problems",
"Mathematical theorems",
"Algebra"
] |
35,471,835 | https://en.wikipedia.org/wiki/Chung%E2%80%93Fuchs%20theorem | In mathematics, the Chung–Fuchs theorem, named after Chung Kai-lai and Wolfgang Heinrich Johannes Fuchs, states that for a particle undergoing a zero-mean random walk in m-dimensions, it is certain to come back infinitely often to any neighborhood of the origin on a one-dimensional line (m = 1) or two-dimensional plane... | Chung–Fuchs theorem | [
"Physics"
] | 189 | [
"Eponymous theorems of physics",
"Equations of physics",
"Physics theorems"
] |
35,474,809 | https://en.wikipedia.org/wiki/Roles%20of%20chemical%20elements | This table is designed to show the role(s) performed by each chemical element, in nature and in technology.
Z = Atomic numberSym. = SymbolPer. = PeriodGr. = Group
See also
Abundance of the chemical elements
Dietary mineral
External links
The Role of Elements in Life Processes | Mineral Information Institute
Periodic... | Roles of chemical elements | [
"Physics"
] | 112 | [
"Chemical elements",
"Atoms",
"Matter"
] |
35,475,501 | https://en.wikipedia.org/wiki/Birks%27%20law | Birks' law (named after British physicist John B. Birks) is an empirical formula for the light yield per path length as a function of the energy loss per path length for a particle traversing a scintillator, and gives a relation that is not linear at high loss rates.
Overview
The relation is:
where L is the light yie... | Birks' law | [
"Physics",
"Technology",
"Engineering"
] | 402 | [
"Particle physics stubs",
"Particle detectors",
"Particle physics",
"Measuring instruments"
] |
35,477,085 | https://en.wikipedia.org/wiki/Belinski%E2%80%93Zakharov%20transform | The Belinski–Zakharov (inverse) transform is a nonlinear transformation that generates new exact solutions of the vacuum Einstein's field equation. It was developed by Vladimir Belinski and Vladimir Zakharov in 1978. The Belinski–Zakharov transform is a generalization of the inverse scattering transform. The solutions ... | Belinski–Zakharov transform | [
"Mathematics"
] | 608 | [
"Exact solutions in general relativity",
"Mathematical objects",
"Equations"
] |
35,480,371 | https://en.wikipedia.org/wiki/Phylogeny%20%28psychoanalysis%29 | Phylogeny in psychoanalysis is the study of the whole family or species of an organism in order to better understand the pre-history of it. It might have an unconscious influence on a patient, according to Sigmund Freud. After the possibilities of ontogeny, which is the development of the whole organism viewed from the... | Phylogeny (psychoanalysis) | [
"Biology"
] | 265 | [
"Evolutionary biology",
"Phylogenetics",
"Bioinformatics",
"Taxonomy (biology)"
] |
36,394,774 | https://en.wikipedia.org/wiki/K%20factor%20%28traffic%20engineering%29 | In transportation engineering, the K factor is defined as the proportion of annual average daily traffic occurring in an hour.
This factor is used for designing and analyzing the flow of traffic on highways. K factors must be calculated at a continuous count station, usually an "automatic traffic recorder", for a year ... | K factor (traffic engineering) | [
"Physics",
"Engineering"
] | 503 | [
"Transport stubs",
"Industrial engineering",
"Physical systems",
"Transport",
"Transportation engineering",
"Civil engineering"
] |
36,395,362 | https://en.wikipedia.org/wiki/Micronized%20rubber%20powder | Micronized rubber powder (MRP) is classified as fine, dry, powdered elastomeric crumb rubber in which a significant proportion of particles are less than 100 μm and free of foreign particulates (metal, fiber, etc.). MRP particle size distributions typically range from 180 μm to 10 μm. Narrower distributions can be achi... | Micronized rubber powder | [
"Physics"
] | 887 | [
"Materials",
"Powders",
"Matter"
] |
36,402,111 | https://en.wikipedia.org/wiki/International%20Conference%20on%20Radiation%20Effects%20in%20Insulators | Radiation Effects in Insulators (REI) is a long-running international conference series
dedicated to basic and applied scientific research relating to radiation effects in insulators and non-metallic materials. It is held every second year in locations around the world.
The REI conference has a long history. Since the... | International Conference on Radiation Effects in Insulators | [
"Physics",
"Materials_science",
"Engineering"
] | 671 | [
"Physical phenomena",
"Materials science",
"Radiation",
"Condensed matter physics",
"Radiation effects"
] |
36,402,267 | https://en.wikipedia.org/wiki/C23H31N3O | {{DISPLAYTITLE:C23H31N3O}}
The molecular formula C23H31N3O (molar mass: 365.51 g/mol, exact mass: 365.2467 u) may refer to:
APINACA, or AKB48
BU-LAD, or 6-butyl-6-nor-lysergic acid diethylamide
Etomethazene
Molecular formulas | C23H31N3O | [
"Physics",
"Chemistry"
] | 91 | [
"Molecules",
"Set index articles on molecular formulas",
"Isomerism",
"Molecular formulas",
"Matter"
] |
39,299,080 | https://en.wikipedia.org/wiki/Lie-admissible%20algebra | In algebra, a Lie-admissible algebra, introduced by , is a (possibly non-associative) algebra that becomes a Lie algebra under the bracket [a, b] = ab − ba. Examples include associative algebras, Lie algebras, and Okubo algebras.
See also
Malcev-admissible algebra
Jordan-admissible algebra
References
Non-associ... | Lie-admissible algebra | [
"Mathematics"
] | 87 | [
"Non-associative algebra",
"Mathematical structures",
"Algebraic structures"
] |
39,299,327 | https://en.wikipedia.org/wiki/Malcev-admissible%20algebra | In algebra, a Malcev-admissible algebra, introduced by , is a (possibly non-associative) algebra that becomes a Malcev algebra under the bracket [a, b] = ab − ba. Examples include alternative algebras, Malcev algebras and Lie-admissible algebras.
See also
Jordan-admissible algebra
References
Non-associative alg... | Malcev-admissible algebra | [
"Mathematics"
] | 83 | [
"Non-associative algebra",
"Mathematical structures",
"Algebraic structures"
] |
39,299,698 | https://en.wikipedia.org/wiki/Noncommutative%20Jordan%20algebra | In algebra, a noncommutative Jordan algebra is an algebra, usually over a field of characteristic not 2, such that the four operations of left and right multiplication by x and x2 all commute with each other. Examples include associative algebras and Jordan algebras.
Over fields of characteristic not 2, noncommutative... | Noncommutative Jordan algebra | [
"Mathematics"
] | 154 | [
"Non-associative algebra",
"Mathematical structures",
"Algebraic structures"
] |
39,300,801 | https://en.wikipedia.org/wiki/Sexual%20selection%20in%20mammals | Sexual selection in mammals is a process the study of which started with Charles Darwin's observations concerning sexual selection, including sexual selection in humans, and in other mammals, consisting of male–male competition and mate choice that mold the development of future phenotypes in a population for a given s... | Sexual selection in mammals | [
"Biology"
] | 2,214 | [
"Evolutionary processes",
"Behavior",
"Sexual selection",
"Mating"
] |
39,301,133 | https://en.wikipedia.org/wiki/Asbestos%20insulating%20board | Asbestos insulating board (AIB), also known by the trade names Asbestolux and Turnabestos, is an asbestos-containing board formerly used in construction for its fire resistance and insulating properties. These boards were commonly used in the United Kingdom from the 1950s until production ended in 1980. AIB is 16-35% a... | Asbestos insulating board | [
"Physics",
"Environmental_science"
] | 198 | [
"Toxicology",
"Materials stubs",
"Materials",
"Asbestos",
"Matter"
] |
39,301,550 | https://en.wikipedia.org/wiki/Kosmos%201484 | Kosmos 1484 ( meaning Cosmos 1484), also known as Resurs-OE No.3-2 was a Soviet prototype Earth imaging satellite, launched in 1983 as part of the Resurs programme. It was a prototype of the Meteor-derived Resurs-O1 spacecraft, which paved the way for the first Resurs-O1 to fly in October 1985.
Kosmos 1484 was launch... | Kosmos 1484 | [
"Technology"
] | 357 | [
"Space debris",
"Spacecraft that broke apart in space"
] |
39,302,352 | https://en.wikipedia.org/wiki/Edwards%20equation | The Edwards equation in organic chemistry is a two-parameter equation for correlating nucleophilic reactivity, as defined by relative rate constants, with the basicity of the nucleophile (relative to protons) and its polarizability. This equation was first developed by John O. Edwards in 1954 and later revised based on... | Edwards equation | [
"Chemistry",
"Mathematics"
] | 1,278 | [
"Equations",
"Mathematical objects",
"Physical organic chemistry"
] |
48,309,405 | https://en.wikipedia.org/wiki/TNP-ATP | TNP-ATP is a fluorescent molecule that is able to determine whether a protein binds to ATP, and the constants associated with that binding. It is primarily used in fluorescence spectroscopy, but is also very useful as an acceptor molecule in FRET, and as a fluorescent probe in fluorescence microscopy and X-ray crystall... | TNP-ATP | [
"Physics",
"Chemistry",
"Biology"
] | 2,286 | [
"Luminescence",
"Fluorescence",
"Applied and interdisciplinary physics",
"Spectrum (physical sciences)",
"Molecular physics",
"Physiology",
"Cell biology",
"Instrumental analysis",
"Biophysics",
"nan",
"Biochemistry",
"Spectroscopy"
] |
48,313,506 | https://en.wikipedia.org/wiki/Flow%20cups | Flow cups are designed to accurately measure the viscosity of paints, inks, varnishes and similar products. The process of flow through an orifice can often be used as a relative measurement and classification of viscosity. This measured kinematic viscosity is generally expressed in seconds of flow time which can be co... | Flow cups | [
"Chemistry",
"Technology",
"Engineering"
] | 152 | [
"Viscosity meters",
"Chemical engineering",
"Measuring instruments",
"Piping",
"Fluid dynamics"
] |
26,578,849 | https://en.wikipedia.org/wiki/MultiDark | MultiDark (MULTImessenger Approach for DARK Matter Detection) is a Spanish project, with a stated goal of contributing to the identification and detection of dark matter.
History
The project is a grouping effort, involving many researchers in the Spanish community with a special interest in dark matter. It began on 17... | MultiDark | [
"Physics"
] | 189 | [
"Dark matter",
"Experiments for dark matter search",
"Unsolved problems in physics"
] |
26,580,361 | https://en.wikipedia.org/wiki/Digital%20materialization | Digital materialization (DM)
can loosely be defined as two-way direct communication or conversion between matter and information that enables people to exactly describe, monitor, manipulate and create any arbitrary real object. DM is a general paradigm alongside a specified framework that is suitable for computer pr... | Digital materialization | [
"Technology",
"Engineering"
] | 533 | [
"Computer-aided design",
"Design engineering",
"nan",
"Industrial computing",
"Digital manufacturing"
] |
28,391,726 | https://en.wikipedia.org/wiki/Einstein%20group | Albert Einstein, in searching for the transformation group for his unified field theory, wrote:
"Every attempt to establish a unified field theory must start, in my opinion, from a group of transformations which is no less general than that of the continuous transformations of the four coordinates. For we should hard... | Einstein group | [
"Physics",
"Mathematics"
] | 367 | [
"Lie groups",
"Mathematical structures",
"Algebraic structures",
"Geometry",
"Theory of relativity",
"Symmetry"
] |
37,850,414 | https://en.wikipedia.org/wiki/Thermoresponsive%20polymers%20in%20chromatography | Thermoresponsive polymers can be used as stationary phase in liquid chromatography. Here, the polarity of the stationary phase can be varied by temperature changes, altering the power of separation without changing the column or solvent composition. Thermally related benefits of gas chromatography can now be applied to... | Thermoresponsive polymers in chromatography | [
"Chemistry"
] | 3,291 | [
"Chromatography",
"Separation processes"
] |
37,850,900 | https://en.wikipedia.org/wiki/C11H15NO2S | {{DISPLAYTITLE:C11H15NO2S}}
The molecular formula C11H15NO2S (molar mass: 225.31 g/mol, exact mass: 225.0823 u) may refer to:
Ethiofencarb
Methiocarb
Molecular formulas | C11H15NO2S | [
"Physics",
"Chemistry"
] | 65 | [
"Molecules",
"Set index articles on molecular formulas",
"Isomerism",
"Molecular formulas",
"Matter"
] |
37,853,202 | https://en.wikipedia.org/wiki/Strong%20subadditivity%20of%20quantum%20entropy | In quantum information theory, strong subadditivity of quantum entropy (SSA) is the relation among the von Neumann entropies of various quantum subsystems of a larger quantum system consisting of three subsystems (or of one quantum system with three degrees of freedom). It is a basic theorem in modern quantum informat... | Strong subadditivity of quantum entropy | [
"Physics"
] | 2,526 | [
"Quantum mechanical entropy",
"Entropy",
"Physical quantities"
] |
37,855,063 | https://en.wikipedia.org/wiki/Drug%20nomenclature | Drug nomenclature is the systematic naming of drugs, especially pharmaceutical drugs. In the majority of circumstances, drugs have 3 types of names: chemical names, the most important of which is the IUPAC name; generic or nonproprietary names, the most important of which are international nonproprietary names (INNs); ... | Drug nomenclature | [
"Chemistry",
"Biology"
] | 3,740 | [
"Pharmacological classification systems",
"Pharmacology",
"Pharmaceutical industry",
"Life sciences industry"
] |
37,856,584 | https://en.wikipedia.org/wiki/Spray%20pond | A spray pond is a reservoir in which warmed water (e.g. from a power plant) is cooled before reuse by spraying the warm water with nozzles into the cooler air. Cooling takes place by exchange of heat with the ambient air, involving both conductive heat transfer between the water droplets and the surrounding air and eva... | Spray pond | [
"Chemistry",
"Engineering"
] | 907 | [
"Chemical equipment",
"Distillation",
"Evaporators"
] |
37,857,996 | https://en.wikipedia.org/wiki/V529%20Andromedae | V529 Andromedae, also known as HD 8801, is a variable star in the constellation of Andromeda. It has a 13th magnitude visual companion star 15" away, which is just a distant star on the same line of sight.
It is also an Am star with a spectral classification Am(kA5/hF1/mF2), meaning that it has the calcium K line of a... | V529 Andromedae | [
"Astronomy"
] | 349 | [
"Andromeda (constellation)",
"Constellations"
] |
37,858,390 | https://en.wikipedia.org/wiki/Boundary%20conditions%20in%20computational%20fluid%20dynamics | Almost every computational fluid dynamics problem is defined under the limits of initial and boundary conditions. When constructing a staggered grid, it is common to implement boundary conditions by adding an extra node across the physical boundary. The nodes just outside the inlet of the system are used to assign the ... | Boundary conditions in computational fluid dynamics | [
"Physics",
"Chemistry"
] | 623 | [
"Computational fluid dynamics",
"Fluid dynamics",
"Computational physics"
] |
40,612,303 | https://en.wikipedia.org/wiki/IBeacon | iBeacon is a protocol developed by Apple and introduced at the Apple Worldwide Developers Conference in 2013.
Various vendors have since made iBeacon-compatible hardware transmitters – typically called beacons – a class of Bluetooth Low Energy (BLE) devices that broadcast their identifier to nearby portable electronic... | IBeacon | [
"Technology",
"Engineering"
] | 3,426 | [
"Radio electronics",
"Wireless locating",
"Wireless networking",
"Indoor positioning system",
"Data",
"Automatic identification and data capture",
"Radio-frequency identification",
"Bluetooth"
] |
40,615,979 | https://en.wikipedia.org/wiki/Voice%20Mate | Voice Mate, formerly called Quick Voice and later Q Voice, is an intelligent personal assistant and knowledge navigator which is only available as a built-in application for various LG smartphones. The application uses a natural language user interface to answer questions, make recommendations, and perform actions by d... | Voice Mate | [
"Technology"
] | 273 | [
"Mobile software stubs",
"Mobile technology stubs"
] |
49,557,021 | https://en.wikipedia.org/wiki/Jason%20X.-J.%20Yuan | Jason X.-J. Yuan (born 1963) is an American physician scientist whose research interests center on pulmonary vascular pathobiology and pulmonary hypertension. His current research is primarily focused on the pathogenic mechanisms of pulmonary vascular diseases and right heart failure.
Biography and career
He was born... | Jason X.-J. Yuan | [
"Biology"
] | 1,446 | [
"Translational medicine"
] |
49,557,260 | https://en.wikipedia.org/wiki/Droplet%20countercurrent%20chromatography | Droplet countercurrent chromatography (DCCC or DCC) was introduced in 1970 by Tanimura, Pisano, Ito, and Bowman. DCCC is considered to be a form of liquid-liquid separation, which includes countercurrent distribution and countercurrent chromatography, that employs a liquid stationary phase held in a collection of verti... | Droplet countercurrent chromatography | [
"Chemistry"
] | 845 | [
"Chromatography",
"Separation processes"
] |
49,575,179 | https://en.wikipedia.org/wiki/Noroxymorphone | Noroxymorphone is an opioid which is both a metabolite of oxymorphone and oxycodone and is manufactured specifically as an intermediate in the production of narcotic antagonists such as naltrexone and others. It is a potent agonist of the μ-opioid receptor, but is poorly able to cross the blood-brain-barrier into the c... | Noroxymorphone | [
"Chemistry"
] | 280 | [
"Organic compounds",
"Ketones",
"Functional groups",
"Ethers"
] |
49,576,192 | https://en.wikipedia.org/wiki/Gyrolite | Gyrolite, NaCa16(Si23Al)O60(OH)8·14H2O, is a rare silicate mineral (basic sodium calcium silicate hydrate: N-C-S-H, in cement chemist notation) belonging to the class of phyllosilicates. Gyrolite is also often associated with zeolites. It is most commonly found as spherical or radial formations in hydrothermally altere... | Gyrolite | [
"Chemistry",
"Engineering"
] | 750 | [
"Structural engineering",
"Concrete",
"Hydrate minerals",
"Hydrates"
] |
52,142,704 | https://en.wikipedia.org/wiki/Polygenic%20score | In genetics, a polygenic score (PGS) is a number that summarizes the estimated effect of many genetic variants on an individual's phenotype. The PGS is also called the polygenic index (PGI) or genome-wide score; in the context of disease risk, it is called a polygenic risk score (PRS or PR score) or genetic risk score.... | Polygenic score | [
"Chemistry"
] | 4,471 | [
"Plant breeding",
"Molecular biology"
] |
52,144,005 | https://en.wikipedia.org/wiki/Jelly-falls | Jelly-falls are marine carbon cycling events whereby gelatinous zooplankton, primarily cnidarians, sink to the seafloor and enhance carbon and nitrogen fluxes via rapidly sinking particulate organic matter. These events provide nutrition to benthic megafauna and bacteria. Jelly-falls have been implicated as a major “ge... | Jelly-falls | [
"Chemistry",
"Biology",
"Environmental_science"
] | 1,169 | [
"Environmental chemistry",
"Chemical oceanography",
"Biogeochemistry",
"Ecosystems",
"Aquatic ecology"
] |
31,213,900 | https://en.wikipedia.org/wiki/Cavity%20perturbation%20theory | In mathematics and electronics, cavity perturbation theory describes methods for derivation of perturbation formulae for performance changes of a cavity resonator.
These performance changes are assumed to be caused by either introduction of a small foreign object into the cavity, or a small deformation of its boundary... | Cavity perturbation theory | [
"Physics",
"Engineering"
] | 1,592 | [
"Radio electronics",
"Electromagnetism",
"Physical phenomena",
"Fundamental interactions",
"Electrical engineering"
] |
31,214,917 | https://en.wikipedia.org/wiki/Ex-Rad | Ex-Rad (or Ex-RAD; recilisib sodium (INN, USAN); development code ON 01210.Na) is an experimental drug being developed by Onconova Therapeutics and the U.S. Department of Defense. It is being studied as a radiation protection agent. Chemically, it is the sodium salt of 4-carboxystyryl-4-chlorobenzylsulfone.
Clinical t... | Ex-Rad | [
"Chemistry",
"Materials_science",
"Biology"
] | 768 | [
"Radiation health effects",
"Radiobiology",
"Functional groups",
"Sulfones",
"Radiation effects",
"Radioactivity"
] |
25,159,096 | https://en.wikipedia.org/wiki/University%20of%20Dayton%20Research%20Institute | The University of Dayton Research Institute is the professional research arm of the University of Dayton in Dayton, Ohio. UD is ranked first among all colleges in the nation for sponsored materials research, according to statistics released by the National Science Foundation. In Ohio, UD is ranked first among nonprofit... | University of Dayton Research Institute | [
"Materials_science",
"Engineering"
] | 225 | [
"Nanotechnology institutions",
"Energy research institutes",
"Materials science organizations",
"Materials science institutes",
"Nanotechnology",
"Energy organizations"
] |
25,162,957 | https://en.wikipedia.org/wiki/Transposons%20as%20a%20genetic%20tool | Transposons are semi-parasitic DNA sequences which can replicate and spread through the host's genome. They can be harnessed as a genetic tool for analysis of gene and protein function. The use of transposons is well-developed in Drosophila (in which P elements are most commonly used) and in Thale cress (Arabidopsis th... | Transposons as a genetic tool | [
"Biology"
] | 2,643 | [
"Molecular genetics",
"Mobile genetic elements"
] |
25,163,388 | https://en.wikipedia.org/wiki/Ho%C5%99ava%E2%80%93Lifshitz%20gravity | Hořava–Lifshitz gravity (or Hořava gravity) is a theory of quantum gravity proposed by Petr Hořava in 2009. It solves the problem of different concepts of time in quantum field theory and general relativity by treating the quantum concept as the more fundamental so that space and time are not equivalent (anisotropic) a... | Hořava–Lifshitz gravity | [
"Physics"
] | 360 | [
"Theoretical physics",
"Unsolved problems in physics",
"Theory of relativity",
"Quantum gravity",
"Relativity stubs",
"Theories of gravity",
"Physics beyond the Standard Model"
] |
25,164,088 | https://en.wikipedia.org/wiki/Kleptothermy | In biology, kleptothermy is any form of thermoregulation by which an animal shares in the metabolic thermogenesis of another animal. It may or may not be reciprocal, and occurs in both endotherms and ectotherms. One of its forms is huddling. However, kleptothermy can happen between different species that share the same... | Kleptothermy | [
"Physics",
"Chemistry",
"Biology"
] | 1,772 | [
"Transport phenomena",
"Physical phenomena",
"Symbiosis",
"Heat transfer",
"Animals",
"Animal physiology",
"Parasitism",
"Thermoregulation",
"Thermodynamics",
"Homeostasis"
] |
25,164,285 | https://en.wikipedia.org/wiki/Christoffel%E2%80%93Darboux%20formula | In mathematics, the Christoffel–Darboux formula or Christoffel–Darboux theorem is an identity for a sequence of orthogonal polynomials, introduced by and . It states that
where fj(x) is the jth term of a set of orthogonal polynomials of squared norm hj and leading coefficient kj.
There is also a "confluent form" ... | Christoffel–Darboux formula | [
"Mathematics"
] | 277 | [
"Mathematical analysis",
"Functions and mappings",
"Functional analysis",
"Mathematical analysis stubs",
"Mathematical objects",
"Mathematical relations"
] |
25,168,088 | https://en.wikipedia.org/wiki/Johnson%27s%20figure%20of%20merit | Johnson's figure of merit is a measure of suitability of a semiconductor material for high frequency power transistor applications and requirements. More specifically, it is the product of the charge carrier saturation velocity in the material and the electric breakdown field under same conditions, first proposed by Ed... | Johnson's figure of merit | [
"Physics",
"Chemistry",
"Materials_science",
"Engineering"
] | 235 | [
"Electrical resistance and conductance",
"Materials science stubs",
"Physical quantities",
"Semiconductors",
"Materials science",
"Materials",
"Electronic engineering",
"Condensed matter physics",
"Solid state engineering",
"Matter"
] |
25,169,288 | https://en.wikipedia.org/wiki/Reservoir%20modeling | In the oil and gas industry, reservoir modeling involves the construction of a computer model of a petroleum reservoir, for the purposes of improving estimation of reserves and making decisions regarding the development of the field, predicting future production, placing additional wells and evaluating alternative rese... | Reservoir modeling | [
"Physics",
"Chemistry"
] | 2,618 | [
"Petroleum",
"Petroleum geology",
"Applied and interdisciplinary physics",
"Geophysics"
] |
42,032,211 | https://en.wikipedia.org/wiki/Deep%20hole%20drilling%20measurement%20technique | The deep hole drilling (DHD) measurement technique is a residual stress measurement technique used to measure locked-in and applied stresses in engineering materials and components. DHD is a semi-destructive mechanical strain relaxation (MSR) technique, which seeks to measure the distribution of stresses along the axis... | Deep hole drilling measurement technique | [
"Physics",
"Engineering"
] | 1,279 | [
"Construction",
"Civil engineering",
"Applied and interdisciplinary physics",
"Mechanical engineering"
] |
42,035,074 | https://en.wikipedia.org/wiki/Cry1Ac | Cry1Ac protoxin is a crystal protein produced by the gram-positive bacterium, Bacillus thuringiensis (Bt) during sporulation. Cry1Ac is one of the delta endotoxins produced by this bacterium which act as insecticides. Because of this, the genes for these have been introduced into commercially important crops by genetic... | Cry1Ac | [
"Chemistry"
] | 246 | [
"Biochemistry stubs",
"Protein stubs"
] |
42,035,548 | https://en.wikipedia.org/wiki/Decentralized%20autonomous%20organization | A decentralized autonomous organization (DAO), sometimes called a decentralized autonomous corporation (DAC), is an organization managed in whole or in part by decentralized computer programs, with voting and finances handled through a decentralized ledger technology like a blockchain.. In particular, processes run by ... | Decentralized autonomous organization | [
"Technology",
"Engineering"
] | 1,371 | [
"Computer networking",
"Computer engineering",
"Government by algorithm",
"Computer law",
"Automation",
"Computer science",
"Computing and society"
] |
42,039,996 | https://en.wikipedia.org/wiki/Transformer%20utilization%20factor | The transformer utilization factor (TUF) of a rectifier circuit is defined as the ratio of the DC power available at the load resistor to the AC rating of the secondary coil of a transformer.
The rating of the transformer can be defined as:
TRANSFORMER utilization factor for half wave rectifier is .287 or .3.
Refere... | Transformer utilization factor | [
"Mathematics",
"Engineering"
] | 82 | [
"Quantity",
"Metrics",
"Engineering ratios"
] |
50,686,685 | https://en.wikipedia.org/wiki/NgAgo | NgAgo is a single-stranded DNA (ssDNA)-guided Argonaute endonuclease, an acronym for Natronobacterium gregoryi Argonaute. NgAgo binds 5′ phosphorylated ssDNA of ~24 nucleotides (gDNA) to guide it to its target site and will make DNA double-strand breaks at the gDNA site. Like the CRISPR/Cas system, NgAgo was reported b... | NgAgo | [
"Engineering",
"Biology"
] | 546 | [
"Genetics techniques",
"Genetic engineering",
"Genome editing"
] |
50,691,950 | https://en.wikipedia.org/wiki/Triangulation%20%28surveying%29 | In surveying, triangulation is the process of determining the location of a point by measuring only angles to it from known points at either end of a fixed baseline by using trigonometry, rather than measuring distances to the point directly as in trilateration. The point can then be fixed as the third point of a trian... | Triangulation (surveying) | [
"Physics",
"Mathematics",
"Engineering"
] | 1,937 | [
"Geometric measurement",
"Scalar physical quantities",
"Physical quantities",
"Elementary mathematics",
"Elementary geometry",
"Surveying",
"Civil engineering",
"Wikipedia categories named after physical quantities",
"Angle"
] |
36,408,395 | https://en.wikipedia.org/wiki/Statistical%20manifold | In mathematics, a statistical manifold is a Riemannian manifold, each of whose points is a probability distribution. Statistical manifolds provide a setting for the field of information geometry. The Fisher information metric provides a metric on these manifolds. Following this definition, the log-likelihood function... | Statistical manifold | [
"Mathematics",
"Technology",
"Engineering"
] | 587 | [
"Telecommunications engineering",
"Applied mathematics",
"Space (mathematics)",
"Topological spaces",
"Computer science",
"Topology",
"Information theory",
"Manifolds"
] |
33,815,178 | https://en.wikipedia.org/wiki/Metadata%20repository | A metadata repository is a database created to store metadata. Metadata is information about the structures that contain the actual data. Metadata is often said to be "data about data", but this is misleading. Data profiles are an example of actual "data about data". Metadata adds one layer of abstraction to this defin... | Metadata repository | [
"Technology",
"Engineering"
] | 1,861 | [
"Data modeling",
"Data engineering",
"Metadata",
"Data"
] |
32,207,005 | https://en.wikipedia.org/wiki/Corrosion%20loop | Corrosion loop(s) are systematized analysis "loops" used during Risk-based inspection analysis.
Both terms “RBI Corrosion loops” or “RBI corrosion circuits” are generic terms used to indicate the systematization of piping systems into usable and understandable parts associated with corrosion.
Systematized piping loop... | Corrosion loop | [
"Chemistry",
"Materials_science",
"Engineering"
] | 855 | [
"Metallurgy",
"Corrosion",
"Electrochemistry",
"Mechanical engineering",
"Maintenance",
"Materials degradation"
] |
32,210,654 | https://en.wikipedia.org/wiki/Reference%20dimension | A reference dimension is a dimension on an engineering drawing provided for information only. Reference dimensions are provided for a variety of reasons and are often an accumulation of other dimensions that are defined elsewhere (e.g. on the drawing or other related documentation). These dimensions may also be used fo... | Reference dimension | [
"Engineering"
] | 392 | [
"Design engineering",
"Technical drawing",
"Civil engineering"
] |
43,499,978 | https://en.wikipedia.org/wiki/Mount%20Polley%20mine | Mount Polley mine is a Canadian gold and copper mine located in British Columbia near the towns of Williams Lake and Likely. It consists of two open-pit sites with an underground mining component and is owned and operated by the Mount Polley Mining Corporation, a wholly owned subsidiary of Imperial Metals. In 2013, the... | Mount Polley mine | [
"Chemistry",
"Engineering"
] | 5,372 | [
"Reliability engineering",
"Chemical engineering",
"Civil engineering",
"Environmental engineering",
"Environmental testing"
] |
43,506,577 | https://en.wikipedia.org/wiki/Calcium-rich%20supernova | In astronomy, a calcium-rich supernova (or Calcium-rich transient, Ca-rich SN) is a subclass of supernovae that, in contrast to more well-known traditional supernova classes, are fainter and produce unusually large amounts of calcium. Since their luminosity is located in a gap between that of novae and other supernovae... | Calcium-rich supernova | [
"Chemistry",
"Astronomy"
] | 790 | [
"Supernovae",
"Astronomical events",
"Explosions"
] |
43,507,260 | https://en.wikipedia.org/wiki/Quantifier%20%28logic%29 | In logic, a quantifier is an operator that specifies how many individuals in the domain of discourse satisfy an open formula. For instance, the universal quantifier in the first order formula expresses that everything in the domain satisfies the property denoted by . On the other hand, the existential quantifier in ... | Quantifier (logic) | [
"Mathematics"
] | 4,873 | [
"Basic concepts in set theory",
"Predicate logic",
"Quantifier (logic)",
"Mathematical logic"
] |
43,507,788 | https://en.wikipedia.org/wiki/Neuromanagement | Neuromanagement uses cognitive neuroscience, among other life science fields, and technology to analyze economic and managerial issues. It focuses on exploring human brain activities and mental processes when people are faced with typical problems of economics and management. This research provides insight into human d... | Neuromanagement | [
"Biology"
] | 778 | [
"Behavior",
"Behavioral economics",
"Behavioural sciences",
"Behaviorism",
"Cognitive psychology"
] |
43,507,880 | https://en.wikipedia.org/wiki/Nanospray%20desorption%20electrospray%20ionization | Nanospray desorption electrospray ionization (nano-DESI) is an ambient pressure ionization technique used in mass spectrometry (MS) for chemical analysis of organic molecules. In this technique, analytes are desorbed into a liquid bridge formed between two capillaries and the sampling surface. Unlike desorption electro... | Nanospray desorption electrospray ionization | [
"Physics",
"Chemistry"
] | 319 | [
"Spectrum (physical sciences)",
"Instrumental analysis",
"Mass",
"Spatial analysis",
"Space",
"Mass spectrometry",
"Spacetime",
"Matter"
] |
43,510,390 | https://en.wikipedia.org/wiki/Murnaghan%E2%80%93Nakayama%20rule | In group theory, a branch of mathematics, the Murnaghan–Nakayama rule, named after Francis Murnaghan and Tadashi Nakayama, is a combinatorial method to compute irreducible character values of a symmetric group.
There are several generalizations of this rule beyond the representation theory of symmetric groups, but they... | Murnaghan–Nakayama rule | [
"Physics",
"Mathematics"
] | 1,176 | [
"Discrete mathematics",
"Geometry",
"Symmetry",
"Combinatorics"
] |
46,664,026 | https://en.wikipedia.org/wiki/Modified%20pressure | Some systems in fluid dynamics involve a fluid being subject to conservative body forces. Since a conservative body force is the gradient of some potential function, it has the same effect as a gradient in fluid pressure. It is often convenient to define a modified pressure equal to the true fluid pressure plus the pot... | Modified pressure | [
"Chemistry",
"Engineering"
] | 88 | [
"Piping",
"Chemical engineering",
"Fluid dynamics stubs",
"Fluid dynamics"
] |
35,487,235 | https://en.wikipedia.org/wiki/High-frequency%20impact%20treatment | The high-frequency impact treatment or HiFIT – Method is the treatment of welded steel constructions at the weld transition to increase the fatigue strength.
Features
The durability and life of dynamically loaded, welded steel structures is determined in many cases by the welds, in particular the weld transitions. Th... | High-frequency impact treatment | [
"Physics",
"Chemistry",
"Materials_science",
"Engineering"
] | 1,339 | [
"Power tools",
"Welding",
"Physical quantities",
"Metallurgy",
"Metallurgical processes",
"Power (physics)",
"Mechanical engineering"
] |
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