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 |
|---|---|---|---|---|---|---|
39,319,467 | https://en.wikipedia.org/wiki/Human%20viruses%20in%20water | Viruses are a major cause of human waterborne and water-related diseases. Waterborne diseases are caused by water that is contaminated by human and animal urine and feces that contain pathogenic microorganisms. A subject can get infected through contact with or consumption of the contaminated water. Viruses affect all ... | Human viruses in water | [
"Biology"
] | 2,036 | [
"Viruses",
"Tree of life (biology)",
"Microorganisms"
] |
39,327,092 | https://en.wikipedia.org/wiki/Gene%20therapy%20in%20Parkinson%27s%20disease | Gene therapy in Parkinson's disease consists of the creation of new cells that produce a specific neurotransmitter (dopamine), protect the neural system, or the modification of genes that are related to the disease. Then these cells are transplanted to a patient with the disease. There are different kinds of treatments... | Gene therapy in Parkinson's disease | [
"Engineering",
"Biology"
] | 1,989 | [
"Gene therapy",
"Genetic engineering"
] |
39,328,460 | https://en.wikipedia.org/wiki/F%C3%A9tizon%20oxidation | Fétizon oxidation is the oxidation of primary and secondary alcohols utilizing the compound silver(I) carbonate absorbed onto the surface of celite also known as Fétizon's reagent first employed by Marcel Fétizon in 1968. It is a mild reagent, suitable for both acid and base sensitive compounds. Its great reactivity wi... | Fétizon oxidation | [
"Chemistry"
] | 1,463 | [
"Name reactions",
"Organic oxidation reactions",
"Organic reactions"
] |
39,329,230 | https://en.wikipedia.org/wiki/Bipartite%20half | In graph theory, the bipartite half or half-square of a bipartite graph is a graph whose vertex set is one of the two sides of the bipartition (without loss of generality, ) and in which there is an edge for each pair of vertices in that are at distance two from each other in . That is, in a more compact notation, ... | Bipartite half | [
"Mathematics"
] | 346 | [
"Mathematical relations",
"Graph theory",
"Graph operations"
] |
49,594,749 | https://en.wikipedia.org/wiki/Cyber%20resilience | Cyber resilience refers to an entity's ability to continuously deliver the intended outcome, despite cyber attacks. Resilience to cyber attacks is essential to IT systems, critical infrastructure, business processes, organizations, societies, and nation-states. A related term is cyberworthiness, which is an assessment ... | Cyber resilience | [
"Technology",
"Engineering"
] | 717 | [
"Cybersecurity engineering",
"Computing terminology",
"IT infrastructure",
"Information technology",
"Computer security procedures"
] |
49,596,228 | https://en.wikipedia.org/wiki/Sulfolobus%20tengchongensis%20spindle-shaped%20virus | Sulfolobus tengchongensis spindle-shaped virus 1 (STSV1) is a DNA virus of the family Bicaudaviridae. It infects the hyperthermophilic archaeon Sulfolobus tengchongensis which can be found in the volcanic area of Tengchong, Baoshan City, in western Yunnan province, People's Republic of China.
In 2014, Sulfolobus tengc... | Sulfolobus tengchongensis spindle-shaped virus | [
"Biology"
] | 365 | [
"Virus stubs",
"Viruses"
] |
49,597,510 | https://en.wikipedia.org/wiki/Lion%20Mark%20%28toys%29 | The Lion Mark is a British consumer symbol developed in 1988 by British Toy & Hobby Association (BTHA) and used to identify toys denoted as safe and of high quality.
It represents a red and white lion face in a triangle with a yellow background and green borders.
This conformity mark is voluntary and only members of ... | Lion Mark (toys) | [
"Mathematics"
] | 142 | [
"Symbols",
"Certification marks"
] |
49,598,417 | https://en.wikipedia.org/wiki/LINC00520 | Long intergenic non-protein coding RNA 520 is a long non-coding RNA that in humans is encoded by the LINC00520 gene.
References
Proteins | LINC00520 | [
"Chemistry"
] | 34 | [
"Proteins",
"Biomolecules by chemical classification",
"Molecular biology"
] |
49,599,350 | https://en.wikipedia.org/wiki/Epoxydocosapentaenoic%20acid | Epoxide docosapentaenoic acids (epoxydocosapentaenoic acids, EDPs, or EpDPEs) are metabolites of the 22-carbon straight-chain omega-3 fatty acid, docosahexaenoic acid (DHA). Cell types that express certain cytochrome P450 (CYP) epoxygenases metabolize polyunsaturated fatty acids (PUFAs) by converting one of their doubl... | Epoxydocosapentaenoic acid | [
"Chemistry",
"Biology"
] | 2,524 | [
"Animals",
"Cell biology",
"Animal physiology",
"Immunology",
"Metabolic intermediates",
"Biomolecules",
"Metabolism"
] |
49,602,444 | https://en.wikipedia.org/wiki/DU%20spectrophotometer | The DU spectrophotometer or Beckman DU, introduced in 1941, was the first commercially viable scientific instrument for measuring the amount of ultraviolet light absorbed by a substance. This model of spectrophotometer enabled scientists to easily examine and identify a given substance based on its absorption spectrum,... | DU spectrophotometer | [
"Physics",
"Chemistry",
"Technology",
"Engineering"
] | 5,676 | [
"Spectrum (physical sciences)",
"Scientific instruments",
"Measuring instruments",
"Spectrometers",
"Spectroscopy"
] |
37,872,896 | https://en.wikipedia.org/wiki/Kostant%27s%20convexity%20theorem | In mathematics, Kostant's convexity theorem, introduced by , can be used to derive Lie-theoretical extensions of the Golden–Thompson inequality and the Schur–Horn theorem for Hermitian matrices.
Konstant's convexity theorem states that the projection of every coadjoint orbit of a connected compact Lie group into the d... | Kostant's convexity theorem | [
"Physics",
"Mathematics"
] | 1,617 | [
"Lie groups",
"Mathematical structures",
"Group actions",
"Homogeneous spaces",
"Space (mathematics)",
"Topological spaces",
"Algebraic structures",
"nan",
"Geometry",
"Mathematical problems",
"Mathematical theorems",
"Symmetry"
] |
37,880,011 | https://en.wikipedia.org/wiki/Nanoc | Nanoc is a Ruby-based website compiler that generates static HTML. It supports compiling from various markup languages, including Markdown, Textile, and Haml. It can generate and lay out pages with a consistent look and feel. Nanoc is not a content management system, however it acts somewhat like one.
Advantages of Na... | Nanoc | [
"Technology"
] | 253 | [
"Command-line software",
"Computing commands"
] |
25,181,469 | https://en.wikipedia.org/wiki/Meiotic%20recombination%20checkpoint | The meiotic recombination checkpoint monitors meiotic recombination during meiosis, and blocks the entry into metaphase I if recombination is not efficiently processed.
Generally speaking, the cell cycle regulation of meiosis is similar to that of mitosis. As in the mitotic cycle, these transitions are regulated by co... | Meiotic recombination checkpoint | [
"Biology"
] | 2,346 | [
"Molecular genetics",
"DNA repair",
"Cellular processes"
] |
25,183,424 | https://en.wikipedia.org/wiki/Dibutylamine | Dibutylamine is a colorless fluid with a fishy odor. It is an amine used as a corrosion inhibitor, in the manufacturing of emulsifiers, and as a flotation agent. It is flammable and toxic.
References
Alkylamines
Corrosion inhibitors
Secondary amines
Butyl compounds | Dibutylamine | [
"Chemistry"
] | 66 | [
"Corrosion inhibitors",
"Process chemicals"
] |
25,186,925 | https://en.wikipedia.org/wiki/Hartmann%20number | The Hartmann number (Ha) is the ratio of electromagnetic force to the viscous force, first introduced by Julius Hartmann (18811951) of Denmark. It is frequently encountered in fluid flows through magnetic fields. It is defined by:
where
B is the magnetic field intensity
L is the characteristic length scale
σ is ... | Hartmann number | [
"Chemistry",
"Engineering"
] | 119 | [
"Piping",
"Magnetohydrodynamics",
"Chemical engineering",
"Fluid dynamics"
] |
25,187,611 | https://en.wikipedia.org/wiki/C12H14CaO12 | {{DISPLAYTITLE:C12H14CaO12}}
The molecular formula C12H14CaO12 (molar mass: 390.310 g/mol, exact mass: 390.0111 u) may refer to:
Calcium ascorbate
Calcium erythorbate
Molecular formulas | C12H14CaO12 | [
"Physics",
"Chemistry"
] | 62 | [
"Molecules",
"Set index articles on molecular formulas",
"Isomerism",
"Molecular formulas",
"Matter"
] |
25,187,803 | https://en.wikipedia.org/wiki/Distortion%20%28mathematics%29 | In mathematics, the distortion is a measure of the amount by which a function from the Euclidean plane to itself distorts circles to ellipses. If the distortion of a function is equal to one, then it is conformal; if the distortion is bounded and the function is a homeomorphism, then it is quasiconformal. The distort... | Distortion (mathematics) | [
"Physics",
"Mathematics"
] | 392 | [
"Spacetime",
"Topology",
"Space",
"Geometry"
] |
50,708,946 | https://en.wikipedia.org/wiki/Genome%20Project%E2%80%93Write | The Genome Project–Write (also known as GP-Write) is a large-scale collaborative research project (an extension of Genome Projects, aimed at reading genomes since 1984) that focuses on the development of technologies for the synthesis and testing of genomes of many different species of microbes, plants, and animals, in... | Genome Project–Write | [
"Engineering",
"Biology"
] | 536 | [
"Life sciences industry",
"Biotechnology",
"Human Genome Project scientists",
"nan",
"Genome projects",
"Human genome projects"
] |
50,713,436 | https://en.wikipedia.org/wiki/Data-independent%20acquisition | In mass spectrometry, data-independent acquisition (DIA) is a method of molecular structure determination in which all ions within a selected m/z range are fragmented and analyzed in a second stage of tandem mass spectrometry. Tandem mass spectra are acquired either by fragmenting all ions that enter the mass spectrome... | Data-independent acquisition | [
"Physics"
] | 489 | [
"Mass spectrometry",
"Spectrum (physical sciences)",
"Tandem mass spectrometry"
] |
50,714,830 | https://en.wikipedia.org/wiki/Hydraulic%20Press%20Channel | Hydraulic Press Channel (HPC) is a YouTube channel operated by Finnish workshop owner Lauri Vuohensilta. Launched in October 2015, the channel publishes videos of various objects being crushed in a hydraulic press, as well as occasional experiments using different devices. On 31 October 2015, the channel published a vi... | Hydraulic Press Channel | [
"Physics",
"Engineering",
"Environmental_science"
] | 1,480 | [
"Hydrology",
"Physical systems",
"Hydraulics",
"Civil engineering",
"Hydraulic engineering"
] |
50,715,374 | https://en.wikipedia.org/wiki/Utako%20Okamoto | was a Japanese medical doctor working as a medical scientist who discovered tranexamic acid in the 1950s in her quest to find a drug that would treat bleeding after childbirth (post-partum haemorrhage). After publishing results in 1962 she became a chair at Kobe Gakuin University, where she worked from 1966 until her r... | Utako Okamoto | [
"Chemistry",
"Biology"
] | 1,169 | [
"Life sciences industry",
"Medicinal chemistry",
"Drug discovery"
] |
50,718,540 | https://en.wikipedia.org/wiki/Atomic%20Data%20and%20Nuclear%20Data%20Tables | Atomic Data and Nuclear Data Tables is a quarterly peer-reviewed scientific journal covering nuclear physics. It is published by Elsevier and was established in 1969. The journal was established with the aid of Katharine Way, who later served as its editor until 1973. As of 2016, Boris Pritychenko is the journal's edit... | Atomic Data and Nuclear Data Tables | [
"Physics"
] | 148 | [
"Nuclear physics journals",
"Nuclear and atomic physics stubs",
"Nuclear physics"
] |
52,170,563 | https://en.wikipedia.org/wiki/CD4%2B/CD8%2B%20ratio | The CD4+/CD8+ ratio is the ratio of T helper cells (with the surface marker CD4) to cytotoxic T cells (with the surface marker CD8). Both CD4+ and CD8+ T cells contain several subsets.
The CD4+/CD8+ ratio in the peripheral blood of healthy adults and mice is about 2:1, and an altered ratio can indicate diseases relati... | CD4+/CD8+ ratio | [
"Biology"
] | 856 | [
"Immunology"
] |
52,170,925 | https://en.wikipedia.org/wiki/Magnetic%20resonance%20enterography | Magnetic resonance enterography is a magnetic resonance imaging technique used to evaluate bowel wall features of both upper and lower gastro-intestinal tract, although it is usually used for small bowel evaluation. It is a less invasive technique with the advantages of no ionizing radiation exposure, multiplanarity an... | Magnetic resonance enterography | [
"Chemistry"
] | 1,199 | [
"Nuclear magnetic resonance",
"Magnetic resonance imaging"
] |
33,835,047 | https://en.wikipedia.org/wiki/Synthetic%20biological%20circuit | Synthetic biological circuits are an application of synthetic biology where biological parts inside a cell are designed to perform logical functions mimicking those observed in electronic circuits. Typically, these circuits are categorized as either genetic circuits, RNA circuits, or protein circuits, depending on the ... | Synthetic biological circuit | [
"Engineering",
"Biology"
] | 1,727 | [
"Synthetic biology",
"Biological engineering",
"Molecular genetics",
"Bioinformatics"
] |
33,835,279 | https://en.wikipedia.org/wiki/Verlinde%20algebra | In mathematics, a Verlinde algebra is a finite-dimensional associative algebra introduced by , with a basis of elements φλ corresponding to primary fields of a rational two-dimensional conformal field theory, whose structure constants N describe fusion of primary fields.
Verlinde formula
In terms of the modular S-mat... | Verlinde algebra | [
"Mathematics"
] | 179 | [
"Representation theory",
"Fields of abstract algebra"
] |
42,057,256 | https://en.wikipedia.org/wiki/Hemispherical%20resonator%20gyroscope | The hemispherical resonator gyroscope (HRG), also called wine-glass gyroscope or mushroom gyro, is a compact, low-noise, high-performance angular rate or rotation sensor. An HRG is made using a thin solid-state hemispherical shell, anchored by a thick stem. This shell is driven to a flexural resonance by electrostatic ... | Hemispherical resonator gyroscope | [
"Technology",
"Engineering"
] | 1,782 | [
"Systems engineering",
"Technology systems",
"Avionics",
"Measuring instruments",
"Aircraft instruments",
"nan",
"Aerospace engineering"
] |
42,061,923 | https://en.wikipedia.org/wiki/Modified%20Korteweg-De%20Vries%20equation | The modified Korteweg–de Vries (KdV) equation is an integrable nonlinear partial differential equation:
where is an arbitrary (nonzero) constant.
This is a special case of the Gardner equation.
See also
Korteweg–de Vries equation
Notes
References
Nonlinear partial differential equations
Integrable systems | Modified Korteweg-De Vries equation | [
"Physics"
] | 70 | [
"Integrable systems",
"Theoretical physics",
"Theoretical physics stubs"
] |
42,063,180 | https://en.wikipedia.org/wiki/Gardner%20equation | The Gardner equation is an integrable nonlinear partial differential equation introduced by the mathematician Clifford Gardner in 1968 to generalize KdV equation and modified KdV equation. The Gardner equation has applications in hydrodynamics, plasma physics and quantum field theory
where is an arbitrary real par... | Gardner equation | [
"Physics"
] | 81 | [
"Integrable systems",
"Theoretical physics",
"Theoretical physics stubs"
] |
42,067,613 | https://en.wikipedia.org/wiki/Single-cell%20sequencing | Single-cell sequencing examines the nucleic acid sequence information from individual cells with optimized next-generation sequencing technologies, providing a higher resolution of cellular differences and a better understanding of the function of an individual cell in the context of its microenvironment. For example, ... | Single-cell sequencing | [
"Chemistry",
"Biology"
] | 6,204 | [
"Biotechnology",
"Molecular biology techniques",
"DNA sequencing",
"nan",
"Molecular biology"
] |
32,236,479 | https://en.wikipedia.org/wiki/Hanle%20effect | The Hanle effect, also known as zero-field level crossing, is a reduction in the polarization of light when the atoms emitting the light are subject to a magnetic field in a particular direction, and when they have themselves been excited by polarized light.
Experiments which utilize the Hanle effect include measuring... | Hanle effect | [
"Physics",
"Chemistry"
] | 503 | [
"Physical phenomena",
"Foundational quantum physics",
"Quantum mechanics",
"Atomic physics",
" molecular",
"Atomic",
" and optical physics"
] |
32,239,521 | https://en.wikipedia.org/wiki/Ion%20transport%20number | In chemistry, ion transport number, also called the transference number, is the fraction of the total electric current carried in an electrolyte by a given ionic species :
Differences in transport number arise from differences in electrical mobility. For example, in an aqueous solution of sodium chloride, less than ha... | Ion transport number | [
"Physics",
"Chemistry",
"Mathematics"
] | 1,382 | [
"Physical phenomena",
"Physical quantities",
"Quantity",
"Electrochemistry",
"Physical properties"
] |
32,240,109 | https://en.wikipedia.org/wiki/Metabolism%3A%20Clinical%20and%20Experimental | Metabolism: Clinical and Experimental is a monthly peer-reviewed medical journal covering all aspects of human metabolism. It was established in 1952 and is published by Elsevier. The editor-in-chief is Christos Socrates Mantzoros (Harvard Medical School) who has reinvigorated the journal during his tenure.
Abstractin... | Metabolism: Clinical and Experimental | [
"Chemistry",
"Biology"
] | 182 | [
"Cellular processes",
"Biochemistry",
"Metabolism"
] |
32,241,229 | https://en.wikipedia.org/wiki/Fundamental%20resolution%20equation | The fundamental resolution equation is used in chromatography to help relate adjustable chromatographic parameters to resolution, and is as follows:
Rs = [N1/2/4][(α-1)/α][k2'/(1+k2')], where
N = Number of theoretical plates
α = Selectivity Term = k2'/k1'
The [N1/2/4] term is the column factor, the [(α-1)/α] term i... | Fundamental resolution equation | [
"Chemistry"
] | 680 | [
"Chromatography",
"Separation processes"
] |
32,244,084 | https://en.wikipedia.org/wiki/Antidynamo%20theorem | In physics and in particular in the theory of magnetism, an antidynamo theorem is one of several results that restrict the type of magnetic fields that may be produced by dynamo action.
One notable example is Thomas Cowling's antidynamo theorem which states that no axisymmetric magnetic field can be maintained thro... | Antidynamo theorem | [
"Physics",
"Chemistry"
] | 291 | [
"No-go theorems",
"Equations of physics",
"Fluid dynamics",
"Physics theorems",
"Magnetohydrodynamics"
] |
29,957,827 | https://en.wikipedia.org/wiki/Flow%2C%20Turbulence%20and%20Combustion | Flow, Turbulence and Combustion is a peer-reviewed scientific journal on fluid mechanics. It covers original research on fluid mechanics and combustion, with the areas of interest including industrial, geophysical, and environmental applications. The journal was established in 1949 under the name Applied Scientific Res... | Flow, Turbulence and Combustion | [
"Chemistry",
"Engineering",
"Environmental_science"
] | 177 | [
"Fluid dynamics journals",
"Environmental science journals",
"Energy and fuel journals",
"Civil engineering",
"Fluid mechanics",
"Fluid dynamics"
] |
29,961,903 | https://en.wikipedia.org/wiki/Plant%20matrix%20metalloproteinase | Plant matrix metalloproteinases are metalloproteins and zinc enzymes found in plants.
Matrix Metalloproteinase
Matrix metalloproteinases (MMPs) are zinc endopeptidases, commonly called metzincins. MMP enzymes represent an ancient family of proteins with major similarities in genetic make-up that are present in a rang... | Plant matrix metalloproteinase | [
"Chemistry"
] | 2,258 | [
"Metalloproteins",
"Bioinorganic chemistry"
] |
28,426,193 | https://en.wikipedia.org/wiki/Port%20and%20starboard | Port and starboard are nautical terms for watercraft and spacecraft, referring respectively to the left and right sides of the vessel, when aboard and facing the bow (front).
Vessels with bilateral symmetry have left and right halves which are mirror images of each other. One asymmetric feature is where access to a bo... | Port and starboard | [
"Physics",
"Mathematics"
] | 1,015 | [
"Topology",
"Space",
"Geometry",
"Spacetime",
"Orientation (geometry)"
] |
28,426,846 | https://en.wikipedia.org/wiki/Heteronuclear%20molecule | A heteronuclear molecule is a molecule composed of atoms of more than one chemical element. For example, a molecule of water (H2O) is heteronuclear because it has atoms of two different elements, hydrogen (H) and oxygen (O).
Similarly, a heteronuclear ion is an ion that contains atoms of more than one chemical element... | Heteronuclear molecule | [
"Physics",
"Chemistry"
] | 197 | [
"Molecular physics",
"Molecules",
"Physical objects",
"nan",
"Atoms",
"Matter"
] |
28,431,115 | https://en.wikipedia.org/wiki/The%20Earth%20Awards | The Earth Awards is an aspirational platform for consumer-driven ideas that challenge designers and innovators to build a new economy. It is an annual competition since 2007, aiming to "transform visionary ideas into market-ready solutions by offering finalists the unique opportunities to pitch their project to world ... | The Earth Awards | [
"Engineering"
] | 863 | [
"Design",
"Design awards"
] |
28,431,595 | https://en.wikipedia.org/wiki/Lagrange%2C%20Euler%2C%20and%20Kovalevskaya%20tops | In classical mechanics, the rotation of a rigid body such as a spinning top under the influence of gravity is not, in general, an integrable problem. There are however three famous cases that are integrable, the Euler, the Lagrange, and the Kovalevskaya top, which are in fact the only integrable cases when the system i... | Lagrange, Euler, and Kovalevskaya tops | [
"Physics",
"Mathematics"
] | 861 | [
"Hamiltonian mechanics",
"Theoretical physics",
"Classical mechanics",
"Dynamical systems"
] |
28,439,122 | https://en.wikipedia.org/wiki/Comminution | Comminution is the reduction of solid materials from one average particle size to a smaller average particle size, by crushing, grinding, cutting, vibrating, or other processes. In geology, it occurs naturally during faulting in the upper part of the Earth's crust. In industry, it is an important unit operation in mine... | Comminution | [
"Physics",
"Chemistry",
"Engineering"
] | 663 | [
"Chemical equipment",
"nan",
"Applied and interdisciplinary physics",
"Mechanical engineering"
] |
31,229,259 | https://en.wikipedia.org/wiki/Coordinating%20Committee%20for%20Earthquake%20Prediction | The Coordinating Committee for Earthquake Prediction (CCEP) (Japanese: 地震予知連絡会, Jishin Yochi Renraku-kai) in Japan was founded in April 1969, as part of the Geodesy Council's Second Earthquake Prediction Plan, in order to carry out a comprehensive evaluation of earthquake data in Japan. The committee consists of 30 mem... | Coordinating Committee for Earthquake Prediction | [
"Engineering"
] | 583 | [
"Structural engineering",
"Earthquake and seismic risk mitigation"
] |
31,232,369 | https://en.wikipedia.org/wiki/Markov%20perfect%20equilibrium | A Markov perfect equilibrium is an equilibrium concept in game theory. It has been used in analyses of industrial organization, macroeconomics, and political economy. It is a refinement of the concept of subgame perfect equilibrium to extensive form games for which a pay-off relevant state space can be identified. The ... | Markov perfect equilibrium | [
"Mathematics"
] | 1,226 | [
"Game theory",
"Non-cooperative games",
"Game theory equilibrium concepts"
] |
31,235,878 | https://en.wikipedia.org/wiki/Fixed%20orbit | A fixed orbit is the concept, in atomic physics, where an electron is considered to remain in a specific orbit, at a fixed distance from an atom's nucleus, for a particular energy level.
The concept was promoted by quantum physicist Niels Bohr c. 1913.
The idea of the fixed orbit is considered a major component of the ... | Fixed orbit | [
"Physics",
"Chemistry"
] | 87 | [
" and optical physics stubs",
"Theoretical physics",
"Quantum mechanics",
" molecular",
"Atomic",
"Physical chemistry stubs",
" and optical physics"
] |
31,236,248 | https://en.wikipedia.org/wiki/Stationary%20orbit | In celestial mechanics, a stationary orbit is an orbit around a planet or moon where the orbiting satellite or spacecraft remains over the same spot on the surface. From the ground, the satellite would appear to be standing still, hovering above the surface in the same spot, day after day.
In practice, this is accompl... | Stationary orbit | [
"Physics",
"Astronomy"
] | 503 | [
"Astronomical sub-disciplines",
"Astrophysics"
] |
31,236,452 | https://en.wikipedia.org/wiki/Ecodistrict | An ecodistrict or eco-district (from "ecological" and "district") is a neighborhood, urban area, or region whose urban planning aims to integrate objectives of sustainable development and social equity, and to reduce the district's ecological footprint. The notion of an "ecodistrict" insists on the consideration of all... | Ecodistrict | [
"Engineering"
] | 351 | [
"Landscape architecture",
"Architecture"
] |
31,239,754 | https://en.wikipedia.org/wiki/Lupeol | Lupeol is a pharmacologically active pentacyclic triterpenoid. It has several potential medicinal properties, like anticancer and anti-inflammatory activity.
Natural occurrences
Lupeol is found in a variety of plants, including mango, Acacia visco and Abronia villosa. It is also found in dandelion coffee. Lupeol is ... | Lupeol | [
"Chemistry"
] | 582 | [
"Total synthesis",
"Chemical synthesis"
] |
36,426,069 | https://en.wikipedia.org/wiki/Hasse%20invariant%20of%20an%20algebra | In mathematics, the Hasse invariant of an algebra is an invariant attached to a Brauer class of algebras over a field. The concept is named after Helmut Hasse. The invariant plays a role in local class field theory.
Local fields
Let K be a local field with valuation v and D a K-algebra. We may assume D is a divisio... | Hasse invariant of an algebra | [
"Mathematics"
] | 680 | [
"Algebraic number theory",
"Number theory"
] |
36,433,745 | https://en.wikipedia.org/wiki/Factor%20system | In mathematics, a factor system (sometimes called factor set) is a fundamental tool of Otto Schreier’s classical theory for group extension problem. It consists of a set of automorphisms and a binary function on a group satisfying certain condition (so-called cocycle condition). In fact, a factor system constitutes a r... | Factor system | [
"Mathematics"
] | 698 | [
"Group theory",
"Fields of abstract algebra"
] |
36,437,024 | https://en.wikipedia.org/wiki/Perfect%20thermal%20contact | Perfect thermal contact of the surface of a solid with the environment (convective heat transfer) or another solid occurs when the temperatures of the mating surfaces are equal.
Perfect thermal contact conditions
Perfect thermal contact supposes that on the boundary surface there holds an equality of the temperatur... | Perfect thermal contact | [
"Physics",
"Chemistry"
] | 217 | [
"Transport phenomena",
"Physical phenomena",
"Heat transfer",
"Thermodynamics"
] |
26,616,666 | https://en.wikipedia.org/wiki/Building%20engineering%20physics | The term building engineering physics was introduced in a report released in January 2010 commissioned by The Royal Academy of Engineering (RAeng). The report, entitled Engineering a Low Carbon Built Environment: The Discipline of Building Engineering Physics, presents the initiative of many at the Royal Academy of Eng... | Building engineering physics | [
"Physics",
"Engineering",
"Environmental_science"
] | 513 | [
"Environmental design",
"Applied and interdisciplinary physics",
"Building engineering",
"Civil engineering",
"nan",
"Design",
"Architecture"
] |
26,625,162 | https://en.wikipedia.org/wiki/Cell%20division%20control%20protein%204 | Cdc4 (cell division control protein 4) is a substrate recognition component of the SCF (SKP1-CUL1-F-box protein) ubiquitin ligase complex, which acts as a mediator of ubiquitin transfer to target proteins, leading to their subsequent degradation via the ubiquitin-proteasome pathway. Cdc4 targets primarily cell cycle re... | Cell division control protein 4 | [
"Chemistry",
"Biology"
] | 1,924 | [
"Biomolecules by chemical classification",
"Cellular processes",
"Molecular biology",
"Proteins",
"Cell cycle"
] |
26,626,178 | https://en.wikipedia.org/wiki/Failure%20of%20electronic%20components | Electronic components have a wide range of failure modes. These can be classified in various ways, such as by time or cause. Failures can be caused by excess temperature, excess current or voltage, ionizing radiation, mechanical shock, stress or impact, and many other causes. In semiconductor devices, problems in the d... | Failure of electronic components | [
"Technology",
"Engineering"
] | 5,973 | [
"Systems engineering",
"Reliability engineering",
"Technological failures",
"Semiconductor device defects",
"Engineering failures",
"Civil engineering"
] |
40,644,951 | https://en.wikipedia.org/wiki/Bishop%E2%80%93Phelps%20theorem | In mathematics, the Bishop–Phelps theorem is a theorem about the topological properties of Banach spaces named after Errett Bishop and Robert Phelps, who published its proof in 1961.
Statement
Importantly, this theorem fails for complex Banach spaces.
However, for the special case where is the closed unit ball then... | Bishop–Phelps theorem | [
"Mathematics"
] | 84 | [
"Theorems in mathematical analysis",
"Mathematical analysis",
"Theorems in functional analysis",
"Mathematical analysis stubs"
] |
40,645,022 | https://en.wikipedia.org/wiki/GlnALG%20operon | The glnALG operon is an operon that regulates the nitrogen content of a cell. It codes for the structural gene glnA the two regulatory genes glnL and glnG. glnA encodes glutamine synthetase, an enzyme which catalyzes the conversion of glutamate and ammonia to glutamine, thereby controlling the nitrogen level in the cel... | GlnALG operon | [
"Chemistry",
"Biology"
] | 833 | [
"Gene expression",
"Molecular genetics",
"Cellular processes",
"Molecular biology",
"Biochemistry",
"Operons"
] |
40,646,055 | https://en.wikipedia.org/wiki/Alignment-free%20sequence%20analysis | In bioinformatics, alignment-free sequence analysis approaches to molecular sequence and structure data provide alternatives over alignment-based approaches.
The emergence and need for the analysis of different types of data generated through biological research has given rise to the field of bioinformatics. Molecular... | Alignment-free sequence analysis | [
"Engineering",
"Biology"
] | 3,828 | [
"Bioinformatics",
"Biological engineering",
"Computational biology"
] |
40,646,963 | https://en.wikipedia.org/wiki/Photonic%20molecule | Photonic molecules are a form of matter in which photons bind together to form "molecules". They were first predicted in 2007. Photonic molecules are formed when individual (massless) photons "interact with each other so strongly that they act as though they have mass". In an alternative definition (which is not equiva... | Photonic molecule | [
"Physics",
"Chemistry"
] | 1,093 | [
"Quantum mechanics",
"Atomic physics",
" molecular",
"Particle physics",
"Atomic",
" and optical physics"
] |
40,650,445 | https://en.wikipedia.org/wiki/Copenhagen%20Amber%20Museum | The Copenhagen Amber Museum (Danish: Københavns Ravmuseum ) is a museum on Kongens Nytorv in central Copenhagen, Denmark. The museum is owned by House of Amber. The museum holds an extensive collection of amber antiques and artifacts, including a wide array of entombed insects from prehistoric times. The collection ... | Copenhagen Amber Museum | [
"Physics"
] | 512 | [
"Amorphous solids",
"Unsolved problems in physics",
"Amber"
] |
40,651,129 | https://en.wikipedia.org/wiki/Cycleanine | Cycleanine is a selective vascular calcium antagonist isolated from Stephania.
External links
Calcium antagonist properties of the bisbenzylisoquinoline alkaloid cycleanine
Calcium channel blockers
Alkaloids found in plants | Cycleanine | [
"Chemistry"
] | 47 | [
"Organic chemistry stubs"
] |
40,651,215 | https://en.wikipedia.org/wiki/Olivacine | Olivacine is an antimalarial alkaloid.
External links
Antimalarial agents
Indole alkaloids
Isoquinoline alkaloids
Carbazoles | Olivacine | [
"Chemistry"
] | 38 | [
"Isoquinoline alkaloids",
"Alkaloids by chemical classification",
"Indole alkaloids"
] |
40,652,472 | https://en.wikipedia.org/wiki/Advisory%20Group%20on%20Greenhouse%20Gases | The Advisory Group on Greenhouse Gases, created in 1986, was an advisory body for the review of studies into the greenhouse effect. The group was created by the International Council of Scientific Unions, the United Nations Environment Programme, and the World Meteorological Organization to follow up on the recommenda... | Advisory Group on Greenhouse Gases | [
"Chemistry",
"Environmental_science"
] | 144 | [
"Greenhouse gases",
"Environmental chemistry"
] |
46,689,173 | https://en.wikipedia.org/wiki/FCA%20Global%20Medium%20Engine | The Global Medium Engine (GME for short) is a family of engines created by the powertrain division of Alfa Romeo and in production since 2016.
The GME family is composed by two new series of engine: one created by Alfa Romeo (codeproject Giorgio) for Alfa Romeo Giulia and Stelvio, and the second (codeproject Hurricane... | FCA Global Medium Engine | [
"Technology"
] | 675 | [
"Engines",
"Automobile engines"
] |
46,690,508 | https://en.wikipedia.org/wiki/Cerebrolysin | Cerebrolysin (developmental code name FPF-1070) is an experimental mixture of enzymatically-treated peptides derived from pig brain whose constituents can include brain-derived neurotrophic factor (BDNF), glial cell line-derived neurotrophic factor (GDNF), nerve growth factor (NGF), and ciliary neurotrophic factor (CNT... | Cerebrolysin | [
"Chemistry"
] | 740 | [
"Biomolecules by chemical classification",
"Peptides",
"Molecular biology"
] |
46,691,835 | https://en.wikipedia.org/wiki/Microbial%20cytology | Microbial cytology is the study of microscopic and submicroscopic details of microorganisms. Origin of "Microbial" 1880-85; < Greek mīkro- micro- small + bíos life). "Cytology" 1857; < Cyto-is derived from the Greek "kytos" meaning "hollow, as a cell or container." + -logy meaning "the study of"). Microbial cytology... | Microbial cytology | [
"Chemistry",
"Biology"
] | 138 | [
"Microbiology",
"Microscopy"
] |
46,694,032 | https://en.wikipedia.org/wiki/Participatory%20monitoring | Participatory monitoring (also known as collaborative monitoring, community-based monitoring, locally based monitoring, or volunteer monitoring) is the regular collection of measurements or other kinds of data (monitoring), usually of natural resources and biodiversity, undertaken by local residents of the monitored ar... | Participatory monitoring | [
"Physics",
"Mathematics"
] | 2,915 | [
"Quantity",
"Physical quantities",
"Measurement",
"Size"
] |
46,694,677 | https://en.wikipedia.org/wiki/Bamboo%20construction | Bamboo construction involves the use of bamboo as a building material for scaffolding, bridges, houses and buildings. Bamboo, like wood, is a natural composite material with a high strength-to-weight ratio useful for structures. Bamboo's strength-to-weight ratio is similar to timber, and its strength is generally simil... | Bamboo construction | [
"Physics",
"Engineering"
] | 2,240 | [
"Building engineering",
"Construction",
"Materials",
"Building materials",
"Matter",
"Architecture"
] |
35,509,452 | https://en.wikipedia.org/wiki/Cabled%20observatory | A cabled observatory is a seabed oceanographic research platform connected to land by cables that provide power and communication. Observatories are outfitted with a multitude of scientific instruments that can collect many kinds of data from the seafloor and water column. By removing the limitations of undersea power ... | Cabled observatory | [
"Physics",
"Technology",
"Engineering",
"Environmental_science"
] | 807 | [
"Hydrology",
"Oceanographic instrumentation",
"Applied and interdisciplinary physics",
"Oceanography",
"Measuring instruments"
] |
35,510,934 | https://en.wikipedia.org/wiki/Two-state%20vector%20formalism | The two-state vector formalism (TSVF) is a description of quantum mechanics in terms of a causal relation in which the present is caused by quantum states of the past and of the future taken in combination.
Theory
The two-state vector formalism is one example of a time-symmetric interpretation of quantum mechanics (se... | Two-state vector formalism | [
"Physics"
] | 1,065 | [
"Theoretical physics",
"Quantum mechanics"
] |
35,514,066 | https://en.wikipedia.org/wiki/Chromium%28II%29%20fluoride | Chromium(II) fluoride is an inorganic compound with the formula CrF2. It exists as a blue-green iridescent solid. Chromium(II) fluoride is sparingly soluble in water, almost insoluble in alcohol, and is soluble in boiling hydrochloric acid, but is not attacked by hot distilled sulfuric acid or nitric acid. Like other c... | Chromium(II) fluoride | [
"Chemistry"
] | 310 | [
"Inorganic compounds",
"Fluorides",
"Metal halides",
"Salts"
] |
45,349,681 | https://en.wikipedia.org/wiki/Pulsed%20field%20magnet | A pulsed field magnet is a strong electromagnet which is powered by a brief pulse of electric current through its windings rather than a continuous current, producing a brief but strong pulse of magnetic field. Pulsed field magnets are used in research in fields such as materials science to study the effect of strong ... | Pulsed field magnet | [
"Physics",
"Chemistry"
] | 204 | [
"Nuclear chemistry stubs",
"Nuclear magnetic resonance",
"Nuclear magnetic resonance stubs",
"Nuclear physics"
] |
45,355,813 | https://en.wikipedia.org/wiki/Hertz%E2%80%93Knudsen%20equation | In surface chemistry, the Hertz–Knudsen equation, also known as Knudsen–Langmuir equation describes evaporation rates, named after Heinrich Hertz and Martin Knudsen.
Definition
Non-dissociative adsorption (Langmuirian adsorption)
The Hertz–Knudsen equation describes the non-dissociative adsorption of a gas molecule o... | Hertz–Knudsen equation | [
"Physics",
"Chemistry",
"Materials_science"
] | 170 | [
"Condensed matter physics",
"Surface science"
] |
45,355,837 | https://en.wikipedia.org/wiki/A4%20polytope | {{DISPLAYTITLE:A4 polytope}}
In 4-dimensional geometry, there are 9 uniform polytopes with A4 symmetry. There is one self-dual regular form, the 5-cell with 5 vertices.
Symmetry
A4 symmetry, or [3,3,3] is order 120, with Conway quaternion notation +1/60[I×].21. Its abstract structure is the symmetric group S5. Three... | A4 polytope | [
"Physics"
] | 763 | [
"Uniform 4-polytopes",
"Uniform polytopes",
"Symmetry"
] |
45,355,856 | https://en.wikipedia.org/wiki/List%20of%20F4%20polytopes | {{DISPLAYTITLE:List of F4 polytopes}}
In 4-dimensional geometry, there are 9 uniform 4-polytopes with F4 symmetry, and one chiral half symmetry, the snub 24-cell. There is one self-dual regular form, the 24-cell with 24 vertices.
Visualization
Each can be visualized as symmetric orthographic projections in Coxeter p... | List of F4 polytopes | [
"Physics"
] | 616 | [
"Uniform 4-polytopes",
"Uniform polytopes",
"Symmetry"
] |
49,610,754 | https://en.wikipedia.org/wiki/Lockheed%20Martin%20X-59%20Quesst | The Lockheed Martin X-59 Quesst ("Quiet SuperSonic Technology"), sometimes styled QueSST, is an American experimental supersonic aircraft under development by Skunk Works for NASA's Low-Boom Flight Demonstrator project. Preliminary design started in February 2016, with the X-59 planned to begin flight testing in 2021. ... | Lockheed Martin X-59 Quesst | [
"Physics"
] | 1,329 | [
"Physical systems",
"Transport",
"Supersonic transports"
] |
49,613,313 | https://en.wikipedia.org/wiki/Rise%20in%20core | The rise in core (RIC) method is an alternate reservoir wettability characterization method described by S. Ghedan and C. H. Canbaz in 2014. The method enables estimation of all wetting regions such as strongly water wet, intermediate water, oil wet and strongly oil wet regions in relatively quick and accurate measurem... | Rise in core | [
"Chemistry",
"Engineering"
] | 2,003 | [
"Chemical engineering",
"Petroleum engineering",
"Energy engineering",
"Piping",
"Fluid dynamics"
] |
49,615,155 | https://en.wikipedia.org/wiki/Giatec%20Scientific | Giatec Scientific Inc. is a Canadian-based company with headquarters located in Ottawa, Ontario. It is a developer and manufacturer of nondestructive testing quality control and condition assessment devices for the construction industry.
History
Giatec Scientific Inc. was co-founded by Pouria Ghods of Carleton Univer... | Giatec Scientific | [
"Materials_science",
"Technology",
"Engineering"
] | 656 | [
"Structural engineering",
"Measuring instruments",
"Nondestructive testing",
"Materials testing",
"Concrete",
"Sensors"
] |
39,335,050 | https://en.wikipedia.org/wiki/Force%20Concept%20Inventory | The Force Concept Inventory is a test measuring mastery of concepts commonly taught in a first semester of physics developed by Hestenes, Halloun, Wells, and Swackhamer (1985). It was the first such "concept inventory" and several others have been developed since for a variety of topics. The FCI was designed to assess ... | Force Concept Inventory | [
"Physics"
] | 247 | [
"Applied and interdisciplinary physics",
"Physics education"
] |
39,336,181 | https://en.wikipedia.org/wiki/Weather%20Machine | Weather Machine is a lumino kinetic bronze sculpture and columnar machine that serves as a weather beacon, displaying a weather prediction each day at noon. Designed and constructed by Omen Design Group Inc., the approximately sculpture was installed in 1988 in a corner of Pioneer Courthouse Square in Portland, Oregon... | Weather Machine | [
"Physics"
] | 1,858 | [
"Weather",
"Weather prediction",
"Physical phenomena"
] |
39,337,116 | https://en.wikipedia.org/wiki/Biomaterial%20surface%20modifications | Biomaterials exhibit various degrees of compatibility with the harsh environment within a living organism. They need to be nonreactive chemically and physically with the body, as well as integrate when deposited into tissue. The extent of compatibility varies based on the application and material required. Often modifi... | Biomaterial surface modifications | [
"Physics",
"Biology"
] | 2,425 | [
"Biomaterials",
"Materials",
"Matter",
"Medical technology"
] |
39,339,697 | https://en.wikipedia.org/wiki/Iribarren%20number | In fluid dynamics, the Iribarren number or Iribarren parameter – also known as the surf similarity parameter and breaker parameter – is a dimensionless parameter used to model several effects of (breaking) surface gravity waves on beaches and coastal structures. The parameter is named after the Spanish engineer Ramón I... | Iribarren number | [
"Physics",
"Chemistry",
"Engineering"
] | 395 | [
"Physical phenomena",
"Water waves",
"Coastal engineering",
"Waves",
"Civil engineering",
"Fluid dynamics"
] |
50,721,357 | https://en.wikipedia.org/wiki/Interleukin-38 | Interleukin-38 (IL-38) is a member of the interleukin-1 (IL-1) family and the interleukin-36 (IL-36) subfamily. It is important for the inflammation and host defense. This cytokine is named IL-1F10 in humans and has similar three dimensional structure as IL-1 receptor antagonist (IL-1Ra). The organisation of IL-1F10 ge... | Interleukin-38 | [
"Chemistry",
"Biology"
] | 1,195 | [
"Immunology",
"Cytokines",
"Signal transduction"
] |
50,727,550 | https://en.wikipedia.org/wiki/East%20Ural%20Nature%20Reserve | East Ural Nature Reserve () is a Russian 'zapovednik' (strict nature reserve) that is near the site of the 1957 Kyshtym disaster, the world's second highest radioactivity release after Chernobyl. As a state "radiation reserve", the site functions for the protection of a contaminated area, and for long-term scientific s... | East Ural Nature Reserve | [
"Chemistry",
"Technology"
] | 404 | [
"Radioactively contaminated areas",
"Soil contamination",
"Radioactive contamination"
] |
50,728,706 | https://en.wikipedia.org/wiki/Oscillatory%20baffled%20reactor | A Continuous Oscillatory Baffled Reactor (COBR) is a specially designed chemical reactor to achieve plug flow under laminar flow conditions. Achieving plug flow has previously been limited to either a large number of continuous stir tank reactors (CSTR) in series or conditions with high turbulent flow. The technology i... | Oscillatory baffled reactor | [
"Chemistry",
"Engineering",
"Biology"
] | 676 | [
"Bioreactors",
"Biological engineering",
"Chemical reactors",
"Biochemical engineering",
"Microbiology equipment"
] |
50,729,160 | https://en.wikipedia.org/wiki/Ascidian%20mitochondrial%20code | The ascidian mitochondrial code (translation table 13) is a genetic code found in the mitochondria of Ascidia.
Code
AAs = FFLLSSSSYY**CCWWLLLLPPPPHHQQRRRRIIMMTTTTNNKKSSGGVVVVAAAADDEEGGGG
Starts = ---M------------------------------MM---------------M------------
Base1 = TTTTTTTTTTTTTTTTCCCCCCCCCCCCCCCCAAAAAAAAAAAA... | Ascidian mitochondrial code | [
"Chemistry",
"Biology"
] | 645 | [
"Protein biosynthesis",
"Gene expression",
"Molecular genetics",
"Biosynthesis",
"Cellular processes",
"Molecular biology",
"Biochemistry"
] |
25,197,285 | https://en.wikipedia.org/wiki/Adamkiewicz%20reaction | The Adamkiewicz reaction is part of a biochemical test used to detect the presence of the amino acid tryptophan in proteins. When concentrated sulfuric acid is combined with a solution of protein and glyoxylic acid, a red/purple colour is produced. It was named after its discoverer, Albert Wojciech Adamkiewicz. Pure su... | Adamkiewicz reaction | [
"Chemistry",
"Biology"
] | 507 | [
"Biochemistry",
"nan",
"Organic reactions"
] |
52,180,843 | https://en.wikipedia.org/wiki/Testing%20and%20inspection%20of%20diving%20cylinders | Transportable pressure vessels for high-pressure gases are routinely inspected and tested as part of the manufacturing process. They are generally marked as evidence of passing the tests, either individually or as part of a batch (some tests are destructive), and certified as meeting the standard of manufacture by the ... | Testing and inspection of diving cylinders | [
"Physics",
"Chemistry",
"Engineering"
] | 2,368 | [
"Structural engineering",
"Chemical equipment",
"Physical systems",
"Hydraulics",
"Pressure vessels"
] |
52,182,319 | https://en.wikipedia.org/wiki/QIIME | QIIME ( ) is a bioinformatics data science platform, originally developed for analysis of high-throughput microbiome marker gene (e.g., 16S or 18S rRNA genes) amplicon sequencing data. There have been two major versions of the QIIME platform, QIIME 1 and QIIME 2.
While microbiome marker gene analysis continues to be a... | QIIME | [
"Biology"
] | 312 | [
"Bioinformatics",
"Bioinformatics software"
] |
52,187,512 | https://en.wikipedia.org/wiki/Topological%20recursion | In mathematics, topological recursion is a recursive definition of invariants of spectral curves.
It has applications in enumerative geometry, random matrix theory, mathematical physics, string theory, knot theory.
Introduction
The topological recursion is a construction in algebraic geometry. It takes as initial dat... | Topological recursion | [
"Physics",
"Astronomy",
"Mathematics"
] | 1,607 | [
"Astronomical hypotheses",
"Applied mathematics",
"Theoretical physics",
"Fields of abstract algebra",
"Topology",
"Space",
"Geometry",
"Algebraic geometry",
"Spacetime",
"String theory",
"Mathematical physics"
] |
42,068,958 | https://en.wikipedia.org/wiki/Drinfeld%E2%80%93Sokolov%E2%80%93Wilson%20equation | The Drinfeld–Sokolov–Wilson (DSW) equations are an integrable system of two coupled nonlinear partial differential equations proposed by Vladimir Drinfeld and Vladimir Sokolov, and independently by George Wilson:
References
Nonlinear partial differential equations
Integrable systems | Drinfeld–Sokolov–Wilson equation | [
"Physics"
] | 57 | [
"Integrable systems",
"Theoretical physics",
"Theoretical physics stubs"
] |
42,070,652 | https://en.wikipedia.org/wiki/Abnormal%20grain%20growth | In materials science, abnormal or discontinuous grain growth, also referred to as exaggerated or secondary recrystallisation grain growth, is a grain growth phenomenon in which certain energetically favorable grains (crystallites) grow rapidly in a matrix of finer grains, resulting in a bimodal distribution of grain si... | Abnormal grain growth | [
"Physics",
"Chemistry",
"Materials_science",
"Engineering"
] | 849 | [
"Applied and interdisciplinary physics",
"Materials science",
"Crystallography",
"Condensed matter physics",
"nan"
] |
42,071,402 | https://en.wikipedia.org/wiki/Transcriptome%20in%20vivo%20analysis%20tag | A transcriptome in vivo analysis tag (TIVA tag) is a multifunctional, photoactivatable mRNA-capture molecule designed for isolating mRNA from a single cell in complex tissues.
Background
A transcript is an RNA molecule that is copied or transcribed from a DNA template. A transcript can be further processed by altern... | Transcriptome in vivo analysis tag | [
"Chemistry",
"Biology"
] | 1,424 | [
"Gene expression",
"Molecular genetics",
"Cellular processes",
"Molecular biology",
"Biochemistry"
] |
42,071,443 | https://en.wikipedia.org/wiki/Shot%20peening%20of%20steel%20belts | Shot peening can be used to recondition distorted steel conveyor belts.
The shot peening process
Shot peening is a conservation process for flattening a deformed steel belt in which the surface of the belt is impacted by small stainless steel or carbon steel balls, called peening shot. Each ball hitting the belt func... | Shot peening of steel belts | [
"Materials_science"
] | 1,134 | [
"Strengthening mechanisms of materials",
"Shot peening"
] |
42,075,215 | https://en.wikipedia.org/wiki/Discretization%20of%20Navier%E2%80%93Stokes%20equations | Discretization of the Navier–Stokes equations of fluid dynamics is a reformulation of the equations in such a way that they can be applied to computational fluid dynamics. Several methods of discretization can be applied:
Finite volume method
Finite elements method
Finite difference method
Finite volume method
In... | Discretization of Navier–Stokes equations | [
"Chemistry",
"Engineering"
] | 386 | [
"Piping",
"Chemical engineering",
"Fluid dynamics"
] |
42,075,360 | https://en.wikipedia.org/wiki/Patternation | Patternation is the specialized technical art of performing quantitative measurements of specific properties of particles within a spray and visualizing the patterns of this specific property within the spray. In order to understand patternation, we need to consider the role sprays play in our daily lives.
Uses of spr... | Patternation | [
"Physics",
"Chemistry",
"Mathematics"
] | 992 | [
"Physical quantities",
"Quantity",
"Colloids",
"Measurement",
"Size",
"Aerosols"
] |
42,075,644 | https://en.wikipedia.org/wiki/Adsorbed%20natural%20gas | Adsorbed natural gas (ANG) is a process to store natural gas. Natural gas burns cleanly as a fuel, making it useful in many vehicles and applications such as cooking, heating or running generators. It contains mostly methane and ethane. These light gases have very high vapor pressure at ambient temperatures, and their ... | Adsorbed natural gas | [
"Chemistry"
] | 338 | [
"Natural gas storage",
"Natural gas technology"
] |
48,363,015 | https://en.wikipedia.org/wiki/NGC%201528 | NGC 1528 is an open cluster in the constellation Perseus. It was discovered by William Herschel in 1790. It is located in the north-eastern part of the constellation, just under 3 degrees north of μ Persei. Less than 1.5° to the southeast is the open cluster NGC 1545 (m = 6.2). The NGC 1528 is clearly visible with 10... | NGC 1528 | [
"Astronomy"
] | 140 | [
"Perseus (constellation)",
"Constellations"
] |
48,363,641 | https://en.wikipedia.org/wiki/Artificial%20turf%E2%80%93cancer%20hypothesis | Artificial turf is surface of synthetic fibers resembling natural grass. It is widely used for sports fields for being more hard-wearing and resistant than natural surfaces. Most use infills of crumb rubber from recycled tires; this use is controversial because of concerns that the tires contain carcinogens, though re... | Artificial turf–cancer hypothesis | [
"Chemistry"
] | 1,030 | [
"Synthetic materials",
"Artificial turf"
] |
48,369,399 | https://en.wikipedia.org/wiki/Marine%20pump | A Marine pump is a pump which is used on board a vessel (ship) or an offshore platform.
Upper category
It is a kind of general equipment, usually driven by an electrical motor, refer to pump category.
It is widely used as a machine in marine industry, refer to marine industry category.
General
A pump is a device tha... | Marine pump | [
"Physics",
"Chemistry",
"Engineering"
] | 566 | [
"Pumps",
"Turbomachinery",
"Physical systems",
"Hydraulics",
"Marine engineering"
] |
33,843,216 | https://en.wikipedia.org/wiki/Brinicle | A brinicle (brine icicle, also known as an ice stalactite) is a downward-growing hollow tube of ice enclosing a plume of descending brine that is formed beneath developing sea ice.
As seawater freezes in the polar ocean, salt brine concentrates are expelled from the sea ice, creating a downward flow of dense, extremel... | Brinicle | [
"Physics"
] | 1,472 | [
"Physical phenomena",
"Earth phenomena",
"Sea ice"
] |
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