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 |
|---|---|---|---|---|---|---|
4,923,933 | https://en.wikipedia.org/wiki/Terraforming%20of%20Mars | The terraforming of Mars or the terraformation of Mars is a hypothetical procedure that would consist of a planetary engineering project or concurrent projects aspiring to transform Mars from a planet hostile to life to one that could sustainably host humans and other lifeforms free of protection or mediation. The proc... | Terraforming of Mars | [
"Engineering"
] | 4,930 | [
"Planetary engineering",
"Terraforming"
] |
4,923,982 | https://en.wikipedia.org/wiki/Terraforming%20of%20Venus | The terraforming of Venus or the terraformation of Venus is the hypothetical process of engineering the global environment of the planet Venus in order to make it suitable for human habitation. Adjustments to the existing environment of Venus to support human life would require at least three major changes to the plane... | Terraforming of Venus | [
"Engineering"
] | 5,750 | [
"Planetary engineering",
"Terraforming"
] |
4,924,578 | https://en.wikipedia.org/wiki/Structure%20factor | In condensed matter physics and crystallography, the static structure factor (or structure factor for short) is a mathematical description of how a material scatters incident radiation. The structure factor is a critical tool in the interpretation of scattering patterns (interference patterns) obtained in X-ray, electr... | Structure factor | [
"Physics",
"Chemistry",
"Materials_science",
"Engineering"
] | 4,890 | [
"Crystallography",
"Condensed matter physics",
"Materials science"
] |
4,924,962 | https://en.wikipedia.org/wiki/Vertex%20model | A vertex model is a type of statistical mechanics model in which the Boltzmann weights are associated with a vertex in the model (representing an atom or particle). This contrasts with a nearest-neighbour model, such as the Ising model, in which the energy, and thus the Boltzmann weight of a statistical microstate is a... | Vertex model | [
"Physics",
"Materials_science"
] | 1,228 | [
"Statistical mechanics",
"Condensed matter physics",
"Lattice models",
"Computational physics"
] |
22,528,148 | https://en.wikipedia.org/wiki/Ethanol-induced%20non-lamellar%20phases%20in%20phospholipids | The presence of ethanol can lead to the formations of non-lamellar phases also known as non-bilayer phases. Ethanol has been recognized as being an excellent solvent in an aqueous solution for inducing non-lamellar phases in phospholipids. The formation of non-lamellar phases in phospholipids is not completely understo... | Ethanol-induced non-lamellar phases in phospholipids | [
"Chemistry"
] | 6,119 | [
"Phospholipids",
"Signal transduction"
] |
27,264,213 | https://en.wikipedia.org/wiki/Organic%20light-emitting%20transistor | An organic light-emitting transistor (OLET) is a form of transistor that emits light. These transistors have potential for digital displays and on-chip optical interconnects.
OLET is a new light-emission concept, providing planar light sources that can be easily integrated in substrates like silicon, glass, and paper u... | Organic light-emitting transistor | [
"Chemistry",
"Materials_science"
] | 170 | [
"Nanotechnology",
"Molecular physics",
"Molecular electronics"
] |
27,268,344 | https://en.wikipedia.org/wiki/Maximum%20ramp%20weight | The maximum ramp weight (MRW) (also known as the maximum taxi weight (MTW)) is the maximum weight authorised for manoeuvring (taxiing or towing) an aircraft on the ground as limited by aircraft strength and airworthiness requirements. It includes the weight of taxi and run-up fuel for the engines and the auxiliary powe... | Maximum ramp weight | [
"Physics",
"Engineering"
] | 240 | [
"Aircraft weight measurements",
"Mass",
"Matter",
"Aerospace engineering"
] |
27,268,816 | https://en.wikipedia.org/wiki/Cycle%20decomposition%20%28graph%20theory%29 | In graph theory, a cycle decomposition is a decomposition (a partitioning of a graph's edges) into cycles. Every vertex in a graph that has a cycle decomposition must have even degree.
Cycle decomposition of Kn and Kn − I
Brian Alspach and Heather Gavlas established necessary and sufficient conditions for the existen... | Cycle decomposition (graph theory) | [
"Mathematics"
] | 220 | [
"Graph theory stubs",
"Discrete mathematics",
"Graph theory",
"Combinatorics",
"Mathematical relations"
] |
27,274,102 | https://en.wikipedia.org/wiki/Relief%20well | Relief wells are used both in the natural gas and petroleum industry and in flood control.
Fossil fuels
In the natural gas and petroleum industry, a relief well is drilled to intersect an oil or gas well that has experienced a blowout. Specialized liquid, such as heavy (dense) drilling mud followed by cement, can then... | Relief well | [
"Chemistry"
] | 288 | [
"Petroleum",
"Petroleum technology",
"Oil wells",
"Petroleum stubs"
] |
27,274,503 | https://en.wikipedia.org/wiki/Time%20triple%20modular%20redundancy | Time triple modular redundancy, also known as TTMR, is a patented single-event upset mitigation technique that detects and corrects errors in a computer or microprocessor. TTMR allows the use of very long instruction word (VLIW) style microprocessors in space or other applications where external sources, such as radiat... | Time triple modular redundancy | [
"Engineering"
] | 150 | [
"Error detection and correction",
"Reliability engineering"
] |
21,029,001 | https://en.wikipedia.org/wiki/Nikolay%20Fedorov%20%28painter%29 | Nikolay Ivanovich Fedorov (Russian: Николай Иванович Фёдоров, 1918-10-13 in Vyatka (now Kirov) to 1990-11-16) was a Soviet painter and textile designer.
Collections of his works were acquired by the Russian Museum in St. Petersburg and by the Museum of Decorative and Applied Arts in Moscow and also are permanently exh... | Nikolay Fedorov (painter) | [
"Physics"
] | 559 | [
"Unsolved problems in physics",
"Tunguska event"
] |
21,031,034 | https://en.wikipedia.org/wiki/Particle%20segregation | In particle segregation, particulate solids, and also quasi-solids such as foams, tend to segregate by virtue of differences in the size, and also physical properties such as volume, density, shape and other properties of particles of which they are composed. Segregation occurs mainly during the powder handling and it ... | Particle segregation | [
"Physics",
"Chemistry"
] | 462 | [
"Particle technology",
"Materials",
"Granularity of materials",
"Matter"
] |
8,416,361 | https://en.wikipedia.org/wiki/Sanitary%20engineering | Sanitary engineering, also known as public health engineering or wastewater engineering, is the application of engineering methods to improve sanitation of human communities, primarily by providing the removal and disposal of human waste, and in addition to the supply of safe potable water. Traditionally a branch of ci... | Sanitary engineering | [
"Chemistry",
"Engineering"
] | 2,630 | [
"Water treatment",
"Building engineering",
"Chemical engineering",
"Civil engineering",
"nan",
"Environmental engineering",
"Waste treatment technology",
"Architecture"
] |
8,420,153 | https://en.wikipedia.org/wiki/Biohydrometallurgy | Biohydrometallurgy is a technique in the world of metallurgy that utilizes biological agents (bacteria) to recover and treat metals such as copper. Modern biohydrometallurgy advances started with the bioleaching of copper more efficiently in the 1950s
Important Definitions
Bio: Shortened form of Biology; refers to us... | Biohydrometallurgy | [
"Chemistry",
"Materials_science",
"Engineering",
"Biology"
] | 561 | [
"Metallurgy",
"Materials science",
"nan",
"Biotechnology"
] |
8,421,381 | https://en.wikipedia.org/wiki/Hypersensitive%20site | In genetics a hypersensitive site is a short region of chromatin and is detected by its super sensitivity to cleavage by DNase I and other various nucleases (DNase II and micrococcal nucleases). In a hypersensitive site, the nucleosomal structure is less compacted, increasing the availability of the DNA to binding by ... | Hypersensitive site | [
"Chemistry",
"Biology"
] | 297 | [
"Genetics",
"Biotechnology stubs",
"Biochemistry stubs",
"Molecular biology",
"Biochemistry"
] |
8,421,442 | https://en.wikipedia.org/wiki/Trans-acting | In the field of molecular biology, trans-acting (trans-regulatory, trans-regulation), in general, means "acting from a different molecule" (i.e., intermolecular). It may be considered the opposite of cis-acting (cis-regulatory, cis-regulation), which, in general, means "acting from the same molecule" (i.e., intramolec... | Trans-acting | [
"Chemistry",
"Biology"
] | 268 | [
"Biotechnology stubs",
"Biochemistry stubs",
"Genetics terms",
"Molecular biology",
"Biochemistry"
] |
8,422,168 | https://en.wikipedia.org/wiki/Nimbus%20Dam | The Nimbus Dam is a base load hydroelectric dam on the American River near Folsom, California. Approximately of water is retained by the dam. It is responsible for the impoundment of water from the American River to create the Lake Natoma reservoir. The dam stands 87 feet and spans 1,093 feet. The Nimbus powerplant c... | Nimbus Dam | [
"Engineering"
] | 1,414 | [
"Irrigation projects",
"Central Valley Project"
] |
8,422,399 | https://en.wikipedia.org/wiki/Microbial%20food%20web | The microbial food web refers to the combined trophic interactions among microbes in aquatic environments. These microbes include viruses, bacteria, algae, heterotrophic protists (such as ciliates and flagellates). In aquatic ecosystems, microbial food webs are essential because they form the basis for the cycling of n... | Microbial food web | [
"Chemistry",
"Biology"
] | 1,364 | [
"Microbiology",
"Microscopy"
] |
8,424,033 | https://en.wikipedia.org/wiki/DEAP | DEAP (Dark matter Experiment using Argon Pulse-shape discrimination) is a direct dark matter search experiment which uses liquid argon as a target material. DEAP utilizes background discrimination based on the characteristic scintillation pulse-shape of argon. A first-generation detector (DEAP-1) with a 7 kg target ma... | DEAP | [
"Physics"
] | 2,134 | [
"Dark matter",
"Experiments for dark matter search",
"Unsolved problems in physics"
] |
19,920,701 | https://en.wikipedia.org/wiki/Chilled%20water | Chilled water is a commodity often used to cool a building's air and equipment, especially in situations where many individual rooms must be controlled separately, such as a hotel. The chilled water can be supplied by a vendor, such as a public utility, or created at the location of the building that will use it, which... | Chilled water | [
"Physics",
"Engineering"
] | 627 | [
"Applied and interdisciplinary physics",
"Mechanical engineering"
] |
19,922,557 | https://en.wikipedia.org/wiki/Diffusion-limited%20enzyme | A diffusion-limited enzyme catalyses a reaction so efficiently that the rate limiting step is that of substrate diffusion into the active site, or product diffusion out. This is also known as kinetic perfection or catalytic perfection. Since the rate of catalysis of such enzymes is set by the diffusion-controlled react... | Diffusion-limited enzyme | [
"Chemistry",
"Engineering"
] | 851 | [
"Catalysis",
"Chemical reaction engineering",
"Enzyme kinetics",
"Chemical engineering",
"Chemical kinetics"
] |
3,633,138 | https://en.wikipedia.org/wiki/Source%20transformation | Source transformation is the process of simplifying a circuit solution, especially with mixed sources, by transforming voltage sources into current sources, and vice versa, using Thévenin's theorem and Norton's theorem respectively.
Process
Performing a source transformation consists of using Ohm's law to take an ex... | Source transformation | [
"Physics",
"Technology",
"Engineering"
] | 618 | [
"Computer engineering",
"Equations of physics",
"Electronic design",
"Electronic circuits",
"Electronic engineering",
"Electrical circuits",
"Circuit theorems",
"Electrical engineering",
"Design",
"Physics theorems"
] |
3,633,309 | https://en.wikipedia.org/wiki/Structural%20load | A structural load or structural action is a mechanical load (more generally a force) applied to structural elements. A load causes stress, deformation, displacement or acceleration in a structure. Structural analysis, a discipline in engineering, analyzes the effects of loads on structures and structural elements. Exc... | Structural load | [
"Physics",
"Engineering"
] | 1,722 | [
"Structural engineering",
"Applied and interdisciplinary physics",
"Building engineering",
"Structural analysis",
"Construction",
"Civil engineering",
"Mechanical engineering",
"Aerospace engineering",
"Architecture"
] |
3,636,103 | https://en.wikipedia.org/wiki/Atiyah%E2%80%93Bott%20fixed-point%20theorem | In mathematics, the Atiyah–Bott fixed-point theorem, proven by Michael Atiyah and Raoul Bott in the 1960s, is a general form of the Lefschetz fixed-point theorem for smooth manifolds M, which uses an elliptic complex on M. This is a system of elliptic differential operators on vector bundles, generalizing the de Rham c... | Atiyah–Bott fixed-point theorem | [
"Mathematics"
] | 834 | [
"Theorems in mathematical analysis",
"Theorems in differential topology",
"Fixed-point theorems",
"Theorems in topology"
] |
3,636,821 | https://en.wikipedia.org/wiki/T-box%20transcription%20factor%20T | T-box transcription factor T, also known as Brachyury protein, is encoded for in humans and other apes by the TBXT gene. Brachyury functions as a transcription factor within the T-box family of genes. Brachyury homologs have been found in all bilaterian animals that have been screened, as well as the freshwater cnidar... | T-box transcription factor T | [
"Chemistry",
"Biology"
] | 2,778 | [
"Induced stem cells",
"Gene expression",
"Transcription factors",
"Signal transduction"
] |
13,067,081 | https://en.wikipedia.org/wiki/Terzaghi%27s%20principle | Terzaghi's Principle states that when stress is applied to a porous material, it is opposed by the fluid pressure filling the pores in the material.
Karl von Terzaghi introduced the idea in a series of papers in the 1920s based on his examination of building consolidation on soil. The principle states that all quantif... | Terzaghi's principle | [
"Physics"
] | 720 | [
"Soil mechanics",
"Applied and interdisciplinary physics"
] |
13,070,117 | https://en.wikipedia.org/wiki/Spectral%20density%20estimation | In statistical signal processing, the goal of spectral density estimation (SDE) or simply spectral estimation is to estimate the spectral density (also known as the power spectral density) of a signal from a sequence of time samples of the signal. Intuitively speaking, the spectral density characterizes the frequency c... | Spectral density estimation | [
"Physics",
"Engineering"
] | 2,720 | [
"Physical phenomena",
"Statistical signal processing",
"Spectrum (physical sciences)",
"Frequency-domain analysis",
"Waves",
"Engineering statistics"
] |
13,070,930 | https://en.wikipedia.org/wiki/NS102 | NS102 is a kainate receptor antagonist.
References
Nitroarenes
Kainate receptor antagonists | NS102 | [
"Chemistry",
"Biology"
] | 22 | [
"Biochemistry stubs",
"Biotechnology stubs",
"Biochemistry"
] |
13,070,931 | https://en.wikipedia.org/wiki/Pumiliotoxin%20251D | Pumiliotoxin 251D is a toxic organic compound. It is found in the skin of poison frogs from the genera Dendrobates, Epipedobates, Minyobates, and Phyllobates and toads from the genus Melanophryniscus. Its name comes from the pumiliotoxin family (PTXs) and its molecular mass of 251 daltons. When the toxin enters the blo... | Pumiliotoxin 251D | [
"Chemistry"
] | 1,267 | [
"Organic compounds",
"Biomolecules by chemical classification",
"Natural products",
"Alkaloids"
] |
25,412,108 | https://en.wikipedia.org/wiki/Differential%20invariant | In mathematics, a differential invariant is an invariant for the action of a Lie group on a space that involves the derivatives of graphs of functions in the space. Differential invariants are fundamental in projective differential geometry, and the curvature is often studied from this point of view. Differential invar... | Differential invariant | [
"Physics"
] | 633 | [
"Invariant theory",
"Group actions",
"Symmetry"
] |
25,412,598 | https://en.wikipedia.org/wiki/Carey%20Foster%20bridge | In electronics, the Carey Foster bridge is a bridge circuit used to measure medium resistances, or to measure small differences between two large resistances. It was invented by Carey Foster as a variant on the Wheatstone bridge. He first described it in his 1872 paper "On a Modified Form of Wheatstone's Bridge, and Me... | Carey Foster bridge | [
"Physics",
"Engineering"
] | 638 | [
"Physical quantities",
"Analog circuits",
"Electronic engineering",
"Impedance measurements",
"Electrical resistance and conductance"
] |
25,416,659 | https://en.wikipedia.org/wiki/Mitochondrial%20replacement%20therapy | Mitochondrial replacement therapy (MRT), sometimes called mitochondrial donation, is the replacement of mitochondria in one or more cells to prevent or ameliorate disease. MRT originated as a special form of in vitro fertilisation in which some or all of the future baby's mitochondrial DNA (mtDNA) comes from a third pa... | Mitochondrial replacement therapy | [
"Chemistry",
"Technology",
"Engineering",
"Biology"
] | 3,972 | [
"Genetic engineering",
"Transhumanism",
"Gene therapy",
"Ethics of science and technology",
"Biochemistry",
"Medical technology",
"Assisted reproductive technology",
"Molecular biology"
] |
25,420,967 | https://en.wikipedia.org/wiki/Walsh%20diagram | Walsh diagrams, often called angular coordinate diagrams or correlation diagrams, are representations of calculated orbital binding energies of a molecule versus a distortion coordinate (bond angles), used for making quick predictions about the geometries of small molecules. By plotting the change in molecular orbital ... | Walsh diagram | [
"Physics",
"Chemistry",
"Materials_science"
] | 1,465 | [
"Chemical bonding",
"Condensed matter physics",
"nan",
"Physical organic chemistry"
] |
290,529 | https://en.wikipedia.org/wiki/Serum%20protein%20electrophoresis | Serum protein electrophoresis (SPEP or SPE) is a laboratory test that examines specific proteins in the blood called globulins. The most common indications for a serum protein electrophoresis test are to diagnose or monitor multiple myeloma, a monoclonal gammopathy of uncertain significance (MGUS), or further investiga... | Serum protein electrophoresis | [
"Chemistry",
"Biology"
] | 2,860 | [
"Instrumental analysis",
"Molecular biology techniques",
"Electrophoresis",
"Biochemical separation processes"
] |
291,111 | https://en.wikipedia.org/wiki/Caspase | Caspases (cysteine-aspartic proteases, cysteine aspartases or cysteine-dependent aspartate-directed proteases) are a family of protease enzymes playing essential roles in programmed cell death. They are named caspases due to their specific cysteine protease activity – a cysteine in its active site nucleophilically atta... | Caspase | [
"Chemistry",
"Biology"
] | 3,300 | [
"Senescence",
"Programmed cell death",
"Apoptosis",
"Signal transduction"
] |
291,453 | https://en.wikipedia.org/wiki/Renormalization | Renormalization is a collection of techniques in quantum field theory, statistical field theory, and the theory of self-similar geometric structures, that are used to treat infinities arising in calculated quantities by altering values of these quantities to compensate for effects of their self-interactions. But even i... | Renormalization | [
"Physics",
"Mathematics"
] | 7,876 | [
"Quantum field theory",
"Physical phenomena",
"Applied mathematics",
"Theoretical physics",
"Critical phenomena",
"Quantum mechanics",
"Renormalization group",
"Statistical mechanics",
"Mathematical physics"
] |
291,462 | https://en.wikipedia.org/wiki/Renormalization%20group | In theoretical physics, the renormalization group (RG) is a formal apparatus that allows systematic investigation of the changes of a physical system as viewed at different scales. In particle physics, it reflects the changes in the underlying force laws (codified in a quantum field theory) as the energy scale at whi... | Renormalization group | [
"Physics",
"Mathematics"
] | 5,904 | [
"Scaling symmetries",
"Quantum field theory",
"Physical phenomena",
"Applied mathematics",
"Theoretical physics",
"Critical phenomena",
"Quantum mechanics",
"Renormalization group",
"Statistical mechanics",
"Mathematical physics",
"Symmetry"
] |
291,499 | https://en.wikipedia.org/wiki/Single-photon%20emission%20computed%20tomography | Single-photon emission computed tomography (SPECT, or less commonly, SPET) is a nuclear medicine tomographic imaging technique using gamma rays. It is very similar to conventional nuclear medicine planar imaging using a gamma camera (that is, scintigraphy), but is able to provide true 3D information. This information i... | Single-photon emission computed tomography | [
"Physics",
"Chemistry",
"Biology"
] | 2,958 | [
"Radiobiology",
"Radioactivity",
"Applied and interdisciplinary physics",
"Medical physics"
] |
291,912 | https://en.wikipedia.org/wiki/Introduction%20to%20gauge%20theory | A gauge theory is a type of theory in physics. The word gauge means a measurement, a thickness, an in-between distance (as in railroad tracks), or a resulting number of units per certain parameter (a number of loops in an inch of fabric or a number of lead balls in a pound of ammunition). Modern theories describe physi... | Introduction to gauge theory | [
"Physics",
"Mathematics"
] | 5,042 | [
"Topology",
"Differential topology",
"Geometry",
"Symmetry"
] |
292,052 | https://en.wikipedia.org/wiki/Lyman-alpha | Lyman-alpha, typically denoted by Ly-α, is a spectral line of hydrogen (or, more generally, of any one-electron atom) in the Lyman series. It is emitted when the atomic electron transitions from an n = 2 orbital to the ground state (n = 1), where n is the principal quantum number. In hydrogen, its wavelength of 1215.67... | Lyman-alpha | [
"Physics",
"Chemistry"
] | 433 | [
"Spectrum (physical sciences)",
"Emission spectroscopy",
"Quantum mechanics",
"Astrophysics",
"Atomic physics",
"Astronomical spectroscopy",
" molecular",
"Atomic",
"Spectroscopy",
" and optical physics"
] |
292,196 | https://en.wikipedia.org/wiki/Inharmonicity | In music, inharmonicity is the degree to which the frequencies of overtones (also known as partials or partial tones) depart from whole multiples of the fundamental frequency (harmonic series).
Acoustically, a note perceived to have a single distinct pitch in fact contains a variety of additional overtones. Many percu... | Inharmonicity | [
"Physics"
] | 2,355 | [
"Classical mechanics",
"Acoustics"
] |
292,200 | https://en.wikipedia.org/wiki/Missing%20fundamental | The pitch being perceived with the first harmonic being absent in the waveform is called the missing fundamental phenomenon.
It is established in psychoacoustics that the auditory system, with its natural tendency to distinguish a tone from another, will persistently assign a pitch to a complex tone given that a suffi... | Missing fundamental | [
"Physics"
] | 1,600 | [
"Waves",
"Physical phenomena",
"Motion (physics)"
] |
292,744 | https://en.wikipedia.org/wiki/Ising%20model | The Ising model (or Lenz–Ising model), named after the physicists Ernst Ising and Wilhelm Lenz, is a mathematical model of ferromagnetism in statistical mechanics. The model consists of discrete variables that represent magnetic dipole moments of atomic "spins" that can be in one of two states (+1 or −1). The spins are... | Ising model | [
"Physics",
"Materials_science",
"Mathematics"
] | 16,432 | [
"Spin models",
"Quantum mechanics",
"Lattice models",
"Computational physics",
"Computational problems",
"Condensed matter physics",
"Statistical mechanics",
"Mathematical problems",
"NP-complete problems"
] |
292,800 | https://en.wikipedia.org/wiki/Dirac%20spinor | In quantum field theory, the Dirac spinor is the spinor that describes all known fundamental particles that are fermions, with the possible exception of neutrinos. It appears in the plane-wave solution to the Dirac equation, and is a certain combination of two Weyl spinors, specifically, a bispinor that transforms "spi... | Dirac spinor | [
"Physics"
] | 2,496 | [
"Quantum field theory",
"Theoretical physics",
"Quantum mechanics"
] |
292,852 | https://en.wikipedia.org/wiki/Symplectic%20vector%20space | In mathematics, a symplectic vector space is a vector space over a field (for example the real numbers ) equipped with a symplectic bilinear form.
A symplectic bilinear form is a mapping that is
Bilinear Linear in each argument separately;
Alternating holds for all ; and
Non-degenerate for all implies that .
... | Symplectic vector space | [
"Mathematics"
] | 2,159 | [
"Linear algebra",
"Algebra"
] |
292,864 | https://en.wikipedia.org/wiki/G2%20%28mathematics%29 | {{DISPLAYTITLE:G2 (mathematics)}}
In mathematics, G2 is three simple Lie groups (a complex form, a compact real form and a split real form), their Lie algebras as well as some algebraic groups. They are the smallest of the five exceptional simple Lie groups. G2 has rank 2 and dimension 14. It has two fundamental repr... | G2 (mathematics) | [
"Mathematics"
] | 1,734 | [
"Lie groups",
"Mathematical structures",
"Algebraic structures"
] |
292,877 | https://en.wikipedia.org/wiki/F4%20%28mathematics%29 | {{DISPLAYTITLE:F4 (mathematics)}}
In mathematics, F4 is a Lie group and also its Lie algebra f4. It is one of the five exceptional simple Lie groups. F4 has rank 4 and dimension 52. The compact form is simply connected and its outer automorphism group is the trivial group. Its fundamental representation is 26-dimensio... | F4 (mathematics) | [
"Mathematics"
] | 1,085 | [
"Lie groups",
"Mathematical structures",
"Algebraic structures"
] |
292,906 | https://en.wikipedia.org/wiki/Biofeedback | Biofeedback is the technique of gaining greater awareness of many physiological functions of one's own body by using electronic or other instruments, and with a goal of being able to manipulate the body's systems at will. Humans conduct biofeedback naturally all the time, at varied levels of consciousness and intention... | Biofeedback | [
"Biology"
] | 13,369 | [
"Physiology"
] |
292,941 | https://en.wikipedia.org/wiki/Polyethylene%20terephthalate | Polyethylene terephthalate (or poly(ethylene terephthalate), PET, PETE, or the obsolete PETP or PET-P), is the most common thermoplastic polymer resin of the polyester family and is used in fibres for clothing, containers for liquids and foods, and thermoforming for manufacturing, and in combination with glass fibre fo... | Polyethylene terephthalate | [
"Physics",
"Chemistry",
"Materials_science",
"Engineering",
"Biology"
] | 5,594 | [
"Biomaterials",
"Physical phenomena",
"Commodity chemicals",
"Products of chemical industry",
"Unsolved problems in physics",
"Optical phenomena",
"Materials",
"Electronic engineering",
"Transparent materials",
"Polymer chemistry",
"Polymers",
"Flexible electronics",
"Medical technology",
... |
293,065 | https://en.wikipedia.org/wiki/Desiccant | A desiccant is a hygroscopic substance that is used to induce or sustain a state of dryness (desiccation) in its vicinity; it is the opposite of a humectant. Commonly encountered pre-packaged desiccants are solids that absorb water. Desiccants for specialized purposes may be in forms other than solid, and may work thr... | Desiccant | [
"Physics"
] | 988 | [
"Desiccants",
"Materials",
"Matter"
] |
293,336 | https://en.wikipedia.org/wiki/Ammonium%20chloride | Ammonium chloride is an inorganic chemical compound with the chemical formula , also written as . It is an ammonium salt of hydrogen chloride. It consists of ammonium cations and chloride anions . It is a white crystalline salt that is highly soluble in water. Solutions of ammonium chloride are mildly acidic. In its n... | Ammonium chloride | [
"Chemistry"
] | 2,911 | [
"Chlorides",
"Inorganic compounds",
"Alchemical substances",
"Salts",
"Ammonium compounds",
"Edible salt"
] |
293,392 | https://en.wikipedia.org/wiki/Field%20electron%20emission | Field electron emission, also known as field emission (FE) and electron field emission, is emission of electrons induced by an electrostatic field. The most common context is field emission from a solid surface into a vacuum. However, field emission can take place from solid or liquid surfaces, into a vacuum, a fluid (... | Field electron emission | [
"Physics",
"Engineering"
] | 16,740 | [
"Electrical engineering",
"Theoretical physics",
"Quantum mechanics"
] |
293,504 | https://en.wikipedia.org/wiki/Orbifold | In the mathematical disciplines of topology and geometry, an orbifold (for "orbit-manifold") is a generalization of a manifold. Roughly speaking, an orbifold is a topological space that is locally a finite group quotient of a Euclidean space.
Definitions of orbifold have been given several times: by Ichirō Satake in t... | Orbifold | [
"Physics",
"Mathematics"
] | 11,237 | [
"Topology",
"Differential topology",
"Group actions",
"Symmetry"
] |
293,533 | https://en.wikipedia.org/wiki/Sign%20convention | In physics, a sign convention is a choice of the physical significance of signs (plus or minus) for a set of quantities, in a case where the choice of sign is arbitrary. "Arbitrary" here means that the same physical system can be correctly described using different choices for the signs, as long as one set of definitio... | Sign convention | [
"Physics",
"Mathematics"
] | 635 | [
"Applied mathematics",
"Theoretical physics",
"Mathematical physics"
] |
293,629 | https://en.wikipedia.org/wiki/Wick%20rotation | In physics, Wick rotation, named after Italian physicist Gian Carlo Wick, is a method of finding a solution to a mathematical problem in Minkowski space from a solution to a related problem in Euclidean space by means of a transformation that substitutes an imaginary-number variable for a real-number variable.
Wick ro... | Wick rotation | [
"Physics"
] | 1,216 | [
"Quantum field theory",
"Statistical mechanics",
"Quantum mechanics"
] |
293,639 | https://en.wikipedia.org/wiki/Lift-to-drag%20ratio | In aerodynamics, the lift-to-drag ratio (or L/D ratio) is the lift generated by an aerodynamic body such as an aerofoil or aircraft, divided by the aerodynamic drag caused by moving through air. It describes the aerodynamic efficiency under given flight conditions. The L/D ratio for any given body will vary according t... | Lift-to-drag ratio | [
"Chemistry",
"Mathematics",
"Engineering"
] | 1,688 | [
"Drag (physics)",
"Metrics",
"Engineering ratios",
"Quantity",
"Fluid dynamics"
] |
502,116 | https://en.wikipedia.org/wiki/Lifting%20bag | A lifting bag is an item of diving equipment consisting of a robust and air-tight bag with straps, which is used to lift heavy objects underwater by means of the bag's buoyancy. The heavy object can either be moved horizontally underwater by the diver or sent unaccompanied to the surface.
Lift bag appropriate capacity... | Lifting bag | [
"Physics",
"Technology"
] | 3,351 | [
"Physical systems",
"Machines",
"Lifting equipment"
] |
502,806 | https://en.wikipedia.org/wiki/Yukawa%20potential | In particle, atomic and condensed matter physics, a Yukawa potential (also called a screened Coulomb potential) is a potential named after the Japanese physicist Hideki Yukawa. The potential is of the form:
where is a magnitude scaling constant, i.e. is the amplitude of potential, is the mass of the particle, is t... | Yukawa potential | [
"Physics",
"Chemistry"
] | 1,827 | [
"Quantum mechanical potentials",
"Scattering",
"Scattering theory",
"Quantum mechanics"
] |
504,109 | https://en.wikipedia.org/wiki/Hausdorff%20measure | In mathematics, Hausdorff measure is a generalization of the traditional notions of area and volume to non-integer dimensions, specifically fractals and their Hausdorff dimensions. It is a type of outer measure, named for Felix Hausdorff, that assigns a number in [0,∞] to each set in or, more generally, in any metric ... | Hausdorff measure | [
"Physics",
"Mathematics"
] | 1,125 | [
"Functions and mappings",
"Mathematical analysis",
"Physical quantities",
"Measures (measure theory)",
"Quantity",
"Mathematical objects",
"Fractals",
"Size",
"Mathematical relations"
] |
849,543 | https://en.wikipedia.org/wiki/Darcy%27s%20law | Darcy's law is an equation that describes the flow of a fluid flow trough a porous medium and through a Hele-Shaw cell. The law was formulated by Henry Darcy based on results of experiments on the flow of water through beds of sand, forming the basis of hydrogeology, a branch of earth sciences. It is analogous to Ohm's... | Darcy's law | [
"Physics",
"Chemistry",
"Engineering",
"Environmental_science"
] | 3,163 | [
"Transport phenomena",
"Physical phenomena",
"Hydrology",
"Applied and interdisciplinary physics",
"Chemical engineering",
"Soil mechanics",
"Soil physics",
"Construction",
"Civil engineering",
"Environmental engineering",
"Water"
] |
849,843 | https://en.wikipedia.org/wiki/Nano-RAM | Nano-RAM is a proprietary computer memory technology from the company Nantero. It is a type of nonvolatile random-access memory based on the position of carbon nanotubes deposited on a chip-like substrate. In theory, the small size of the nanotubes allows for very high density memories. Nantero also refers to it as NRA... | Nano-RAM | [
"Materials_science"
] | 2,627 | [
"Nanotechnology",
"Nanomaterials"
] |
849,891 | https://en.wikipedia.org/wiki/NLGI%20consistency%20number | The NLGI consistency number or NLGI grade expresses a measure of the relative hardness of a grease used for lubrication, as specified by the standard classification of lubricating grease established by the National Lubricating Grease Institute (NLGI). Reproduced in standards
(“standard classification and specificati... | NLGI consistency number | [
"Chemistry",
"Materials_science",
"Engineering"
] | 565 | [
"Tribology",
"Mechanical engineering",
"Materials science",
"Surface science"
] |
850,009 | https://en.wikipedia.org/wiki/Micrographia | Micrographia: or Some Physiological Descriptions of Minute Bodies Made by Magnifying Glasses. With Observations and Inquiries Thereupon is a historically significant book by Robert Hooke about his observations through various lenses. It was the first book to include illustrations of insects and plants as seen through m... | Micrographia | [
"Chemistry",
"Technology",
"Engineering",
"Biology"
] | 716 | [
"Microscopes",
"Cell imaging",
"Measuring instruments",
"Microscopy"
] |
850,048 | https://en.wikipedia.org/wiki/Gas%20lighting | Gas lighting is the production of artificial light from combustion of a fuel gas such as methane, propane, butane, acetylene, ethylene, hydrogen, carbon monoxide, coal gas (town gas) or natural gas. The light is produced either directly by the flame, generally by using special mixes (typically propane or butane) of il... | Gas lighting | [
"Chemistry",
"Engineering"
] | 6,465 | [
"Chemical process engineering",
"Industrial gases",
"Construction",
"Infrastructure"
] |
850,783 | https://en.wikipedia.org/wiki/Hypericin | Hypericin is a naphthodianthrone, an anthraquinone derivative which, together with hyperforin, is one of the principal active constituents of Hypericum (Saint John's wort). Hypericin is believed to act as an antibiotic, antiviral and non-specific kinase inhibitor. Hypericin may inhibit the action of the enzyme dopamine... | Hypericin | [
"Chemistry",
"Biology"
] | 531 | [
"Biomolecules by chemical classification",
"Natural products",
"Virucides",
"Polyketides",
"Biological pigments",
"Biocides",
"Pigmentation"
] |
850,807 | https://en.wikipedia.org/wiki/Sidewinding | Sidewinding is a type of locomotion unique to snakes, used to move across loose or slippery substrates. It is most often used by the Saharan horned viper, Cerastes cerastes, the Mojave sidewinder rattlesnake, Crotalus cerastes, and the Namib desert sidewinding adder, Bitis peringueyi, to move across loose desert sands,... | Sidewinding | [
"Physics"
] | 578 | [
"Wave mechanics",
"Waves",
"Physical phenomena",
"Classical mechanics"
] |
850,859 | https://en.wikipedia.org/wiki/Benzoyl%20peroxide | Benzoyl peroxide is a chemical compound (specifically, an organic peroxide) with structural formula , often abbreviated as (BzO)2. In terms of its structure, the molecule can be described as two benzoyl (, Bz) groups connected by a peroxide (). It is a white granular solid with a faint odour of benzaldehyde, poorly... | Benzoyl peroxide | [
"Chemistry",
"Materials_science"
] | 1,970 | [
"Radical initiators",
"Organic compounds",
"Polymer chemistry",
"Reagents for organic chemistry",
"Organic peroxides"
] |
851,008 | https://en.wikipedia.org/wiki/Black%20hole%20information%20paradox | The black hole information paradox is a paradox that appears when the predictions of quantum mechanics and general relativity are combined. The theory of general relativity predicts the existence of black holes that are regions of spacetime from which nothing—not even light—can escape. In the 1970s, Stephen Hawking app... | Black hole information paradox | [
"Physics",
"Astronomy"
] | 6,778 | [
"Black holes",
"Physical phenomena",
"Physical quantities",
"Unsolved problems in physics",
"Astrophysics",
"Density",
"Stellar phenomena",
"Astronomical objects"
] |
851,547 | https://en.wikipedia.org/wiki/Pressure%20coefficient | In fluid dynamics, the pressure coefficient is a dimensionless number which describes the relative pressures throughout a flow field. The pressure coefficient is used in aerodynamics and hydrodynamics. Every point in a fluid flow field has its own unique pressure coefficient, .
In many situations in aerodynamics and... | Pressure coefficient | [
"Chemistry",
"Engineering"
] | 1,563 | [
"Piping",
"Aerospace engineering",
"Chemical engineering",
"Fluid dynamics"
] |
852,089 | https://en.wikipedia.org/wiki/Gravitational%20time%20dilation | Gravitational time dilation is a form of time dilation, an actual difference of elapsed time between two events, as measured by observers situated at varying distances from a gravitating mass. The lower the gravitational potential (the closer the clock is to the source of gravitation), the slower time passes, speeding ... | Gravitational time dilation | [
"Physics"
] | 1,878 | [
"Theory of relativity"
] |
852,522 | https://en.wikipedia.org/wiki/Representation%20of%20a%20Lie%20superalgebra | In the mathematical field of representation theory, a representation of a Lie superalgebra is an action of Lie superalgebra L on a Z2-graded vector space V, such that if A and B are any two pure elements of L and X and Y are any two pure elements of V, then
Equivalently, a representation of L is a Z2-graded representa... | Representation of a Lie superalgebra | [
"Physics",
"Mathematics"
] | 468 | [
"Algebra stubs",
"Algebra",
"Unsolved problems in physics",
"Quantum mechanics",
"Quantum physics stubs",
"Physics beyond the Standard Model",
"Supersymmetry",
"Symmetry"
] |
852,588 | https://en.wikipedia.org/wiki/List%20of%20quantum%20field%20theories | This is a list of quantum field theories. The first few sections are organized according to their matter content, that is, the types of fields appearing in the theory. This is just one of many ways to organize quantum field theories, but reflects the way the subject is taught pedagogically.
Scalar field theory
Theor... | List of quantum field theories | [
"Physics",
"Astronomy"
] | 510 | [
"Quantum field theory",
"Astronomical hypotheses",
"Supersymmetric quantum field theory",
"Quantum mechanics",
"String theory",
"Supersymmetry",
"Symmetry"
] |
24,038,774 | https://en.wikipedia.org/wiki/1964%20PRL%20symmetry%20breaking%20papers | The 1964 PRL symmetry breaking papers were written by three teams who proposed related but different approaches to explain how mass could arise in local gauge theories. These three papers were written by: Robert Brout and François Englert; Peter Higgs; and Gerald Guralnik, C. Richard Hagen, and Tom Kibble (GHK). They a... | 1964 PRL symmetry breaking papers | [
"Physics"
] | 2,948 | [
"Standard Model",
"Particle physics"
] |
24,039,902 | https://en.wikipedia.org/wiki/Ectopic%20recombination | Ectopic recombination is an atypical form of recombination in which a crossing over takes place between two homologous DNA sequences located at non-allelic chromosomal positions. Such recombination often results in dramatic chromosomal rearrangement, which is generally harmful to the organism. Some research, however, h... | Ectopic recombination | [
"Chemistry",
"Biology"
] | 625 | [
"Modification of genetic information",
"Molecular genetics",
"Cellular processes",
"Molecular biology"
] |
1,307,911 | https://en.wikipedia.org/wiki/Bootstrap%20aggregating | Bootstrap aggregating, also called bagging (from bootstrap aggregating) or bootstrapping, is a machine learning (ML) ensemble meta-algorithm designed to improve the stability and accuracy of ML classification and regression algorithms. It also reduces variance and overfitting. Although it is usually applied to decision... | Bootstrap aggregating | [
"Mathematics"
] | 2,488 | [
"Computational statistics",
"Computational mathematics"
] |
1,309,860 | https://en.wikipedia.org/wiki/Carbonatation | Carbonatation is a chemical reaction in which calcium hydroxide reacts with carbon dioxide and forms insoluble calcium carbonate:
Ca(OH)2{+}CO2->CaCO3{+}H_2O
The process of forming a carbonate is sometimes referred to as "carbonation", although this term usually refers to the process of dissolving carbon dioxide in w... | Carbonatation | [
"Chemistry",
"Engineering"
] | 1,114 | [
"Structural engineering",
"Concrete",
"Inorganic reactions"
] |
138,677 | https://en.wikipedia.org/wiki/Landau%27s%20function | In mathematics, Landau's function g(n), named after Edmund Landau, is defined for every natural number n to be the largest order of an element of the symmetric group Sn. Equivalently, g(n) is the largest least common multiple (lcm) of any partition of n, or the maximum number of times a permutation of n elements can be... | Landau's function | [
"Mathematics"
] | 529 | [
"Functions and mappings",
"Permutations",
"Arithmetic functions",
"Mathematical objects",
"Combinatorics",
"Group theory",
"Fields of abstract algebra",
"Mathematical relations",
"Number theory"
] |
139,229 | https://en.wikipedia.org/wiki/Gauss%E2%80%93Bonnet%20theorem | In the mathematical field of differential geometry, the Gauss–Bonnet theorem (or Gauss–Bonnet formula) is a fundamental formula which links the curvature of a surface to its underlying topology.
In the simplest application, the case of a triangle on a plane, the sum of its angles is 180 degrees. The Gauss–Bonnet theor... | Gauss–Bonnet theorem | [
"Mathematics"
] | 1,805 | [
"Theorems in differential geometry",
"Theorems in geometry"
] |
139,410 | https://en.wikipedia.org/wiki/Homological%20algebra | Homological algebra is the branch of mathematics that studies homology in a general algebraic setting. It is a relatively young discipline, whose origins can be traced to investigations in combinatorial topology (a precursor to algebraic topology) and abstract algebra (theory of modules and syzygies) at the end of the ... | Homological algebra | [
"Mathematics"
] | 4,066 | [
"Fields of abstract algebra",
"Mathematical structures",
"Category theory",
"Homological algebra"
] |
13,079,232 | https://en.wikipedia.org/wiki/Lithium%20iron%20phosphate | Lithium iron phosphate or lithium ferro-phosphate (LFP) is an inorganic compound with the formula . It is a gray, red-grey, brown or black solid that is insoluble in water. The material has attracted attention as a component of lithium iron phosphate batteries, a type of Li-ion battery. This battery chemistry is targe... | Lithium iron phosphate | [
"Chemistry"
] | 3,560 | [
"Phosphates",
"Salts"
] |
13,084,071 | https://en.wikipedia.org/wiki/Magnetic%20anisotropy | In condensed matter physics, magnetic anisotropy describes how an object's magnetic properties can be different depending on direction. In the simplest case, there is no preferential direction for an object's magnetic moment. It will respond to an applied magnetic field in the same way, regardless of which direction th... | Magnetic anisotropy | [
"Physics",
"Chemistry",
"Materials_science",
"Mathematics",
"Engineering"
] | 992 | [
"Electric and magnetic fields in matter",
"Materials science",
"Magnetic ordering",
"Topology",
"Space",
"Condensed matter physics",
"Geometry",
"Spacetime",
"Orientation (geometry)"
] |
13,085,107 | https://en.wikipedia.org/wiki/HMGA | HMGA is a family of high mobility group proteins characterized by an AT-hook. They code for a "small, nonhistone, chromatin-associated protein that has no intrinsic transcriptional activity but can modulate transcription by altering the chromatin architecture". Mammals have two orthologs: HMGA1 and HMGA2.
Genomic dist... | HMGA | [
"Chemistry",
"Biology"
] | 300 | [
"Induced stem cells",
"Gene expression",
"Transcription factors",
"Signal transduction"
] |
13,085,795 | https://en.wikipedia.org/wiki/SN1CB%20mechanism | In coordination chemistry, the SN1cB (conjugate base) mechanism describes the pathway by which many metal amine complexes undergo substitution, that is, ligand exchange. Typically, the reaction entails reaction of a polyamino metal halide with aqueous base to give the corresponding polyamine metal hydroxide:
[Co(NH3)5C... | SN1CB mechanism | [
"Chemistry"
] | 209 | [
"Reaction mechanisms",
"Chemical kinetics",
"Coordination chemistry",
"Physical organic chemistry"
] |
18,784,020 | https://en.wikipedia.org/wiki/Cystoderma%20amianthinum | Cystoderma amianthinum, commonly called the common powdercap, saffron parasol, the saffron powder-cap, or the earthy powder-cap, is a small orange-ochre, or yellowish-brown, gilled mushroom. It grows in damp mossy grassland, in coniferous forest clearings, or on wooded heaths. It is probably the most common of the smal... | Cystoderma amianthinum | [
"Biology"
] | 520 | [
"Fungi",
"Fungus species"
] |
18,788,208 | https://en.wikipedia.org/wiki/Joint%20source%20and%20channel%20coding | In information theory, joint source–channel coding is the encoding of a redundant information source for transmission over a noisy channel, and the corresponding decoding, using a single code instead of the more conventional steps of source coding followed by channel coding.
Joint source–channel coding has been propos... | Joint source and channel coding | [
"Mathematics",
"Technology",
"Engineering"
] | 79 | [
"Telecommunications engineering",
"Reliability engineering",
"Applied mathematics",
"Fault tolerance",
"Computer science",
"Information theory"
] |
21,033,863 | https://en.wikipedia.org/wiki/Flow%20assurance | Flow assurance is a relatively new term in oil and gas industry. It refers to ensuring successful and economical flow of hydrocarbon stream from reservoir to the point of sale. The term was coined by Petrobras in the early 1990s ahead of a DeepStar Program meeting, in Portuguese as Garantia do Escoamento (:pt::Garanti... | Flow assurance | [
"Chemistry",
"Engineering"
] | 305 | [
"Petroleum engineering",
"Petroleum technology",
"Natural gas technology"
] |
21,038,459 | https://en.wikipedia.org/wiki/Goldbeter%E2%80%93Koshland%20kinetics | The Goldbeter–Koshland kinetics describe a steady-state solution for a 2-state biological system. In this system, the interconversion between these two states is performed by two enzymes with opposing effect. One example would be a protein Z that exists in a phosphorylated form ZP and in an unphosphorylated form Z; t... | Goldbeter–Koshland kinetics | [
"Chemistry"
] | 699 | [
"Catalysis",
"Chemical kinetics",
"Chemical reaction engineering",
"Enzyme kinetics"
] |
21,039,403 | https://en.wikipedia.org/wiki/CPK-MB%20test | The CPK-MB test (creatine phosphokinase-MB), also known as CK-MB test, is a cardiac marker used to assist diagnoses of an acute myocardial infarction, myocardial ischemia, or myocarditis. It measures the blood level of CK-MB (creatine kinase myocardial band), the bound combination of two variants (isoenzymes CKM and CK... | CPK-MB test | [
"Chemistry"
] | 281 | [
"Blood tests",
"Chemical pathology"
] |
21,042,117 | https://en.wikipedia.org/wiki/Brooks%27%20theorem | In graph theory, Brooks' theorem states a relationship between the maximum degree of a graph and its chromatic number. According to the theorem, in a connected graph in which every vertex has at most Δ neighbors, the vertices can be colored with only Δ colors, except for two cases, complete graphs and cycle graphs of o... | Brooks' theorem | [
"Mathematics"
] | 810 | [
"Graph coloring",
"Graph theory",
"Theorems in discrete mathematics",
"Mathematical relations",
"Theorems in graph theory"
] |
21,042,541 | https://en.wikipedia.org/wiki/Parameter%20validation | In computer software, the term parameter validation is the automated processing, in a module, to validate the spelling or accuracy of parameters passed to that module. The term has been in common use for over 30 years. Specific best practices have been developed, for decades, to improve the handling of such parameter... | Parameter validation | [
"Technology",
"Engineering"
] | 130 | [
"Software testing",
"Computer science stubs",
"Software engineering",
"Computer science",
"Computing stubs"
] |
19,933,497 | https://en.wikipedia.org/wiki/Infusion%20therapy | In medicine, infusion therapy deals with all aspects of fluid and medication infusion, via intravenous or subcutaneous application. A special infusion pump can be used for this purpose.
A fenestrated catheter is frequently inserted into the localized area to be treated.
There are a range of delivery methods for infus... | Infusion therapy | [
"Chemistry"
] | 434 | [
"Pharmacology",
"Routes of administration"
] |
19,936,884 | https://en.wikipedia.org/wiki/Speed%20record | A speed record is a world record for speed by a person, animal, or vehicle. The function of speed record is to record the speed of moving animate objects such as humans, animals or vehicles.
Overall speed record
Overall speed record is the record for the highest average speed regardless of any criteria, categories or... | Speed record | [
"Physics"
] | 322 | [
"Physical phenomena",
"Physical quantities",
"Motion (physics)",
"Vector physical quantities",
"Velocity",
"Wikipedia categories named after physical quantities"
] |
19,937,035 | https://en.wikipedia.org/wiki/Borda%E2%80%93Carnot%20equation | In fluid dynamics the Borda–Carnot equation is an empirical description of the mechanical energy losses of the fluid due to a (sudden) flow expansion. It describes how the total head reduces due to the losses. This is in contrast with Bernoulli's principle for dissipationless flow (without irreversible losses), where t... | Borda–Carnot equation | [
"Physics",
"Chemistry",
"Engineering"
] | 1,593 | [
"Equations of fluid dynamics",
"Equations of physics",
"Building engineering",
"Chemical engineering",
"Physical systems",
"Hydraulics",
"Mechanical engineering",
"Piping",
"Fluid dynamics"
] |
19,937,075 | https://en.wikipedia.org/wiki/Heterophile%20antigen | Heterophile antigens are antigens of similar nature, if not identical, that are present in different tissues in different biological species, classes, or kingdoms. Usually different species have different antigen sets, but the hetereophile antigen is shared by different species. Other heterophile antigens are responsib... | Heterophile antigen | [
"Chemistry",
"Biology"
] | 233 | [
"Antigens",
"Immunology",
"Biomolecules"
] |
19,937,477 | https://en.wikipedia.org/wiki/Deck%20prism | A deck prism, or bullseye, is a prism inserted into the deck of a ship to provide light down below.
For centuries, sailing ships used deck prisms to provide a safe source of natural sunlight to illuminate areas below decks. Before electricity, light below a vessel's deck was provided by candles, oil and kerosene lamp... | Deck prism | [
"Engineering"
] | 397 | [
"Shipbuilding",
"Marine engineering"
] |
26,908,549 | https://en.wikipedia.org/wiki/NetworkX | NetworkX is a Python library for studying graphs and networks. NetworkX is free software released under the BSD-new license.
History
NetworkX began development in 2002 by Aric A. Hagberg, Daniel A. Schult, and Pieter J. Swart. It is supported by the National Nuclear Security Administration of the U.S. Department of E... | NetworkX | [
"Mathematics"
] | 1,653 | [
"Numerical software",
"Free mathematics software",
"Mathematical software"
] |
26,909,767 | https://en.wikipedia.org/wiki/False%20neurotransmitter | A false neurotransmitter is a chemical compound which closely imitates the action of a neurotransmitter in the nervous system. Examples include 5-MeO-αMT (mimicking serotonin) and α-methyldopa. Another compound that has been discussed as a possible false neurotransmitter is octopamine.
These chemicals can be accumula... | False neurotransmitter | [
"Chemistry"
] | 458 | [
"Neurochemistry",
"Neurotransmitters"
] |
26,910,524 | https://en.wikipedia.org/wiki/Computational%20transportation%20science | Computational Transportation Science (CTS) is an emerging discipline that combines computer science and engineering with the modeling, planning, and economic aspects of transport. The discipline studies how to improve the safety, mobility, and sustainability of the transport system by taking advantage of information t... | Computational transportation science | [
"Mathematics",
"Technology",
"Engineering"
] | 266 | [
"Computational fields of study",
"Applied mathematics",
"Industrial engineering",
"Computational science",
"Civil engineering",
"Computing and society",
"Transportation engineering"
] |
26,914,142 | https://en.wikipedia.org/wiki/Commensurate%20line%20circuit | Commensurate line circuits are electrical circuits composed of transmission lines that are all the same length; commonly one-eighth of a wavelength. Lumped element circuits can be directly converted to distributed-element circuits of this form by the use of Richards' transformation. This transformation has a particul... | Commensurate line circuit | [
"Physics",
"Engineering"
] | 3,412 | [
"Telecommunications engineering",
"Equations of physics",
"Electronic design",
"Analog circuits",
"Filter theory",
"Electronic engineering",
"Distributed element circuits",
"Circuit theorems",
"Design",
"Physics theorems"
] |
26,915,887 | https://en.wikipedia.org/wiki/Voigt%E2%80%93Thomson%20law | Voigt–Thomson law describes anisotropic magnetoresistance effect in a thin film strip as a relationship between the electric resistivity and the direction of electric current:
where:
is the angle of direction of current in relation to the direction of magnetic field
is the initial resistivity
is the change of re... | Voigt–Thomson law | [
"Physics",
"Materials_science"
] | 97 | [
"Spintronics",
"Condensed matter physics"
] |
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