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 |
|---|---|---|---|---|---|---|
54,093,847 | https://en.wikipedia.org/wiki/Delsarte%E2%80%93Goethals%20code | The Delsarte–Goethals code is a type of error-correcting code.
History
The concept was introduced by mathematicians Ph. Delsarte and J.-M. Goethals in their published paper.
A new proof of the properties of the Delsarte–Goethals code was published in 1970.
Function
The Delsarte–Goethals code DG(m,r) for even m ≥... | Delsarte–Goethals code | [
"Mathematics",
"Engineering"
] | 221 | [
"Discrete mathematics",
"Coding theory",
"Reliability engineering",
"Error detection and correction"
] |
54,096,927 | https://en.wikipedia.org/wiki/SuperKEKB | SuperKEKB is a particle collider located at KEK (High Energy Accelerator Research Organisation) in Tsukuba, Ibaraki Prefecture, Japan. SuperKEKB collides electrons with positrons at the centre-of-momentum energy close to the mass of the Υ(4S) resonance making it a second-generation B-factory for the Belle II experiment... | SuperKEKB | [
"Physics"
] | 823 | [
"Applied and interdisciplinary physics",
"Accelerator physics",
"Experimental physics"
] |
38,375,237 | https://en.wikipedia.org/wiki/Server-based%20signatures | In cryptography, server-based signatures are digital signatures in which a publicly available server participates in the signature creation process. This is in contrast to conventional digital signatures that are based on public-key cryptography and public-key infrastructure. With that, they assume that signers use the... | Server-based signatures | [
"Mathematics",
"Engineering"
] | 787 | [
"Applied mathematics",
"Cryptography",
"Cybersecurity engineering"
] |
38,381,971 | https://en.wikipedia.org/wiki/Vibronic%20spectroscopy | Vibronic spectroscopy is a branch of molecular spectroscopy concerned with vibronic transitions: the simultaneous changes in electronic and vibrational energy levels of a molecule due to the absorption or emission of a photon of the appropriate energy. In the gas phase, vibronic transitions are also accompanied by chan... | Vibronic spectroscopy | [
"Physics",
"Chemistry"
] | 2,693 | [
"Instrumental analysis",
"Molecular physics",
"Spectroscopy",
"Spectrum (physical sciences)"
] |
38,382,619 | https://en.wikipedia.org/wiki/Thrombodynamics%20test | Thrombodynamics test is a method for blood coagulation monitoring and anticoagulant control. This test is based on imitation of coagulation processes occurring in vivo, is sensitive both to pro- and anticoagulant changes in the hemostatic balance. Highly sensitive to thrombosis.
The method was developed in the Physica... | Thrombodynamics test | [
"Chemistry",
"Mathematics"
] | 568 | [
"Blood tests",
"Chemical pathology",
"Mathematics in medicine",
"Applied mathematics"
] |
38,383,500 | https://en.wikipedia.org/wiki/RRT%20Global | RRT Global is an international company that specializes in the development of technologies for oil refining process. The company's CEO, Douglas Harris, is a former vice president of TNK-BP. The company is a resident of the Energy Efficient Technologies cluster of the Skolkovo Foundation.
RRT Global is the first company... | RRT Global | [
"Chemistry",
"Engineering"
] | 904 | [
"Petroleum engineering",
"Petroleum technology"
] |
38,383,946 | https://en.wikipedia.org/wiki/Hexoskin | Hexoskin is an open data smart shirt for monitoring EKG, heart rate, heart rate variability, breathing rate, breathing volume, actigraphy and other activity measurements like step counting and cadence. Hexoskin allows real-time remote health monitoring on smartphones and tablets using Bluetooth. The smart shirt was cre... | Hexoskin | [
"Engineering",
"Biology"
] | 176 | [
"Biological engineering",
"Medical technology",
"Biomedical engineering"
] |
44,031,786 | https://en.wikipedia.org/wiki/Classical%20control%20theory | Classical control theory is a branch of control theory that deals with the behavior of dynamical systems with inputs, and how their behavior is modified by feedback, using the Laplace transform as a basic tool to model such systems.
The usual objective of control theory is to control a system, often called the plant, ... | Classical control theory | [
"Mathematics",
"Engineering"
] | 1,545 | [
"Applied mathematics",
"Control engineering",
"Mathematical modeling"
] |
44,036,593 | https://en.wikipedia.org/wiki/International%20Centre%20for%20Radio%20Astronomy%20Research | The International Centre for Radio Astronomy Research (ICRAR) is a multi-institutional astronomy research centre based in Perth, Western Australia. The centre is a joint venture between Curtin University and the University of Western Australia, with 'nodes' located at both universities. As of 2024, ICRAR has approximat... | International Centre for Radio Astronomy Research | [
"Astronomy"
] | 864 | [
"Radio astronomy",
"Astronomy organizations",
"Astronomical sub-disciplines"
] |
44,038,801 | https://en.wikipedia.org/wiki/Smart%20inorganic%20polymer | Smart inorganic polymers (SIPs) are hybrid or fully inorganic polymers with tunable (smart) properties such as stimuli responsive physical properties (shape, conductivity, rheology, bioactivity, self-repair, sensing etc.). While organic polymers are often petrol-based, the backbones of SIPs are made from elements other... | Smart inorganic polymer | [
"Chemistry"
] | 2,008 | [
"Inorganic polymers",
"Inorganic compounds"
] |
44,039,518 | https://en.wikipedia.org/wiki/Tree%20box%20filter | A tree box filter is a best management practice (BMP) or stormwater treatment system widely implemented along sidewalks, street curbs, and car parks. They are used to control the volume and amount of urban runoff pollutants entering into local waters, by providing areas where water can collect and naturally infiltrate ... | Tree box filter | [
"Chemistry",
"Engineering",
"Environmental_science"
] | 1,040 | [
"Hydrology",
"Water treatment",
"Stormwater management",
"Chemical equipment",
"Chemical engineering",
"Landscape architecture",
"Filters",
"Water pollution",
"Civil engineering",
"Hydrology and urban planning",
"Filtration",
"Environmental engineering",
"Environmental soil science",
"Arch... |
44,042,166 | https://en.wikipedia.org/wiki/INTEROP-VLab | The INTEROP V-Lab (International Virtual Laboratory for Enterprise Interoperability) is a network of organizations, which links scientists, research centers, representatives of industry, and small and medium-sized enterprises. The members come from several European countries as well as China and represent 250 scientist... | INTEROP-VLab | [
"Engineering"
] | 616 | [
"Systems engineering",
"Enterprise modelling"
] |
44,044,088 | https://en.wikipedia.org/wiki/Paradox%20of%20radiation%20of%20charged%20particles%20in%20a%20gravitational%20field | The paradox of a charge in a gravitational field is an apparent physical paradox in the context of general relativity. A charged particle at rest in a gravitational field, such as on the surface of the Earth, must be supported by a force to prevent it from falling. According to the equivalence principle, it should be i... | Paradox of radiation of charged particles in a gravitational field | [
"Physics",
"Chemistry"
] | 2,129 | [
"Transport phenomena",
"Physical phenomena",
"General relativity",
"Waves",
"Radiation",
"Theory of relativity"
] |
36,949,586 | https://en.wikipedia.org/wiki/Basset%E2%80%93Boussinesq%E2%80%93Oseen%20equation | In fluid dynamics, the Basset–Boussinesq–Oseen equation (BBO equation) describes the motion of – and forces on – a small particle in unsteady flow at low Reynolds numbers. The equation is named after Joseph Valentin Boussinesq, Alfred Barnard Basset and Carl Wilhelm Oseen.
Formulation
The BBO equation, in the formula... | Basset–Boussinesq–Oseen equation | [
"Physics",
"Chemistry"
] | 503 | [
"Equations of fluid dynamics",
"Equations of physics",
"Fluid dynamics"
] |
36,950,793 | https://en.wikipedia.org/wiki/Construction%20of%20a%20complex%20null%20tetrad | Calculations in the Newman–Penrose (NP) formalism of general relativity normally begin with the construction of a complex null tetrad , where is a pair of real null vectors and is a pair of complex null vectors. These tetrad vectors respect the following normalization and metric conditions assuming the spacetime sign... | Construction of a complex null tetrad | [
"Physics"
] | 1,458 | [
"General relativity",
"Theory of relativity"
] |
36,951,863 | https://en.wikipedia.org/wiki/Near-horizon%20metric | The near-horizon metric (NHM) refers to the near-horizon limit of the global metric of a black hole. NHMs play an important role in studying the geometry and topology of black holes, but are only well defined for extremal black holes. NHMs are expressed in Gaussian null coordinates, and one important property is that t... | Near-horizon metric | [
"Physics",
"Astronomy"
] | 362 | [
"Black holes",
"Physical phenomena",
"Physical quantities",
"Unsolved problems in physics",
"Astrophysics",
"General relativity",
"Density",
"Theory of relativity",
"Stellar phenomena",
"Astronomical objects"
] |
36,952,575 | https://en.wikipedia.org/wiki/Plasma-facing%20material | In nuclear fusion power research, the plasma-facing material (or materials) (PFM) is any material used to construct the plasma-facing components (PFC), those components exposed to the plasma within which nuclear fusion occurs, and particularly the material used for the lining the first wall or divertor region of the re... | Plasma-facing material | [
"Physics",
"Chemistry",
"Materials_science",
"Engineering"
] | 3,127 | [
"Applied and interdisciplinary physics",
"Plasma physics",
"Materials science",
"Fusion power",
"nan",
"Nuclear fusion"
] |
41,170,519 | https://en.wikipedia.org/wiki/Fuel%20cell%20forklift | A fuel cell forklift (also called a fuel cell lift truck) is a fuel cell powered industrial forklift used to lift and transport materials.
History
1960Allis-Chalmers builds the first fuel cell forklift.
Market
In 2013 there were over 4,000 fuel cell forklifts used in material handling in the United States. As of 20... | Fuel cell forklift | [
"Engineering"
] | 418 | [
"Engineering vehicles"
] |
41,175,727 | https://en.wikipedia.org/wiki/Transistor%20fault | Transistor Fault model is a Fault model used to describe faults for CMOS logic gates. At transistor level, a transistor may be stuck-short or stuck-open. In stuck-short, a transistor behaves as it is always conducts (or stuck-on), and stuck-open is when a transistor never conducts current (or stuck-off). Stuck-short wi... | Transistor fault | [
"Engineering"
] | 203 | [
"Electronic design",
"Electronic engineering",
"Design",
"Digital electronics"
] |
41,175,952 | https://en.wikipedia.org/wiki/Biomimetic%20synthesis | Biomimetic synthesis is an area of organic chemical synthesis that is specifically biologically inspired. The term encompasses both the testing of a "biogenetic hypothesis" (conjectured course of a biosynthesis in nature) through execution of a series of reactions designed to parallel the proposed biosynthesis, as wel... | Biomimetic synthesis | [
"Chemistry"
] | 870 | [
"nan",
"Chemical synthesis"
] |
41,176,434 | https://en.wikipedia.org/wiki/Radio%20spectrum%20scope | The radio spectrum scope (also radio panoramic receiver, panoramic adapter, pan receiver, pan adapter, panadapter, panoramic radio spectroscope, panoramoscope, panalyzor and band scope) was invented by Marcel Wallace - and measures and shows the magnitude of an input signal versus frequency within one or more radio ban... | Radio spectrum scope | [
"Physics",
"Chemistry",
"Technology",
"Engineering"
] | 278 | [
"Information and communications technology",
"Radio electronics",
"Telecommunications engineering",
"Molecular physics",
"Computer engineering",
"Spectrum (physical sciences)",
"Signal processing",
"Instrumental analysis",
"Receiver (radio)",
"Radio technology",
"Spectroscopy"
] |
48,883,792 | https://en.wikipedia.org/wiki/Krogh%20model | Krogh model is a scientific model of mass transfer explaining the concentration of molecular oxygen through a cylindrical capillary tube as a function of a changing position over the capillary tube's length. It was first conceptualized by August Krogh in 1919 with the help of Agner Krarup Erlang to describe oxygen supp... | Krogh model | [
"Physics",
"Chemistry",
"Mathematics"
] | 177 | [
"Transport phenomena",
"Physical phenomena",
"Diffusion",
"Applied mathematics",
"Mathematics in medicine"
] |
48,884,622 | https://en.wikipedia.org/wiki/Esterlin | The esterlin is an obsolete French unit of mass weighing about 1.5138 gram. It was used as a unit of mass for gold in France weighing 28 ½ Grain.
In the Austrian Netherlands its place in the unit-chain was
1 livre or pond/pound = 2 mark = 16 once = 320 esterlin = 1280 felins = 10240 aß = 1 pond troy of Holland
1 pond... | Esterlin | [
"Physics",
"Mathematics"
] | 120 | [
"Matter",
"Quantity",
"Units of mass",
"Mass",
"Units of measurement"
] |
48,885,825 | https://en.wikipedia.org/wiki/Incompressibility%20method | In mathematics, the incompressibility method is a proof method like the probabilistic method, the counting method or the pigeonhole principle. To prove that an object in a certain class (on average) satisfies a certain property, select an object of that class that is incompressible. If it does not satisfy the property,... | Incompressibility method | [
"Mathematics",
"Technology",
"Engineering"
] | 2,897 | [
"Mathematical principles",
"Telecommunications engineering",
"Applied mathematics",
"Mathematical logic",
"Computer science",
"Information theory",
"Computability theory"
] |
48,886,744 | https://en.wikipedia.org/wiki/Allen%E2%80%93Millar%E2%80%93Trippett%20rearrangement | The Allen–Millar–Trippett rearrangement is a ring expansion reaction in which a cyclic phosphine is transformed into a cyclic phosphine oxide. This name reaction, first reported in the 1960s by David W. Allen, Ian T. Millar, and Stuart Trippett, occurs by alkylation or acylation of the phosphorus, followed by reaction ... | Allen–Millar–Trippett rearrangement | [
"Chemistry"
] | 133 | [
"Name reactions",
"Ring expansion reactions",
"Organic chemistry stubs",
"Organic reactions"
] |
48,888,279 | https://en.wikipedia.org/wiki/Human%20milk%20oligosaccharide | Human milk oligosaccharides (HMOs), also known as human milk glycans, are short polymers of simple sugars that can be found in high concentrations in human breast milk. Human milk oligosaccharides promote the development of the immune system, can reduce the risk of pathogen infections and improve brain development and ... | Human milk oligosaccharide | [
"Chemistry",
"Biology"
] | 1,788 | [
"Carbohydrates",
"Microbiology",
"Oligosaccharides",
"Microscopy",
"Carbohydrate chemistry",
"nan",
"Chemical synthesis",
"Glycobiology"
] |
48,888,710 | https://en.wikipedia.org/wiki/Quantized%20enveloping%20algebra | In mathematics, a quantum or quantized enveloping algebra is a q-analog of a universal enveloping algebra. Given a Lie algebra , the quantum enveloping algebra is typically denoted as . The notation was introduced by Drinfeld and independently by Jimbo.
Among the applications, studying the limit led to the discovery ... | Quantized enveloping algebra | [
"Physics",
"Mathematics"
] | 216 | [
"Algebra stubs",
"Quantum mechanics",
"Fields of abstract algebra",
"Mathematical quantization",
"Representation theory",
"Algebra"
] |
51,231,053 | https://en.wikipedia.org/wiki/Homomorphic%20equivalence | In graph theory, a branch of mathematics, two graphs G and H are called homomorphically equivalent if there exists a graph homomorphism and a graph homomorphism . An example usage of this notion is that any two cores of a graph are homomorphically equivalent.
Homomorphic equivalence also comes up in the theory of dat... | Homomorphic equivalence | [
"Mathematics"
] | 166 | [
"Graph theory stubs",
"Discrete mathematics",
"Graph theory",
"Combinatorics",
"Mathematical relations"
] |
51,231,089 | https://en.wikipedia.org/wiki/Quantum%20hadrodynamics | Quantum hadrodynamics (QHD) is an effective field theory pertaining to interactions between hadrons, that is, hadron-hadron interactions or the inter-hadron force. It is "a framework for describing the nuclear many-body problem as a relativistic system of baryons and mesons". Quantum hadrodynamics is closely related an... | Quantum hadrodynamics | [
"Physics"
] | 400 | [
"Particle physics stubs",
"Particle physics",
"Nuclear physics"
] |
51,236,979 | https://en.wikipedia.org/wiki/Unique%20molecular%20identifier | Unique molecular identifiers (UMIs), or molecular barcodes (MBC) are short sequences or molecular "tags" added to DNA fragments in some next generation sequencing library preparation protocols to identify the input DNA molecule. These tags are added before PCR amplification, and can be used to reduce errors and quanti... | Unique molecular identifier | [
"Chemistry",
"Biology"
] | 142 | [
"Molecular biology techniques",
"DNA sequencing"
] |
42,596,301 | https://en.wikipedia.org/wiki/WRF-SFIRE | WRF-SFIRE is a coupled atmosphere-wildfire model, which combines the Weather Research and Forecasting Model (WRF) with a fire-spread model, implemented by the level-set method. A version from 2010 was released based on the WRF 3.2 as WRF-Fire.
References
Coen, J., M. Cameron, J. Michalakes, E. Patton, P. Riggan, and... | WRF-SFIRE | [
"Physics",
"Mathematics"
] | 278 | [
"Applied mathematics",
"Mathematical modeling",
"Computational physics stubs",
"Computational physics"
] |
42,598,658 | https://en.wikipedia.org/wiki/Problem%20of%20time | In theoretical physics, the problem of time is a conceptual conflict between quantum mechanics and general relativity. Quantum mechanics regards the flow of time as universal and absolute, whereas general relativity regards the flow of time as malleable and relative. This problem raises the question of what time reall... | Problem of time | [
"Physics"
] | 1,687 | [
"Philosophy of physics",
"Applied and interdisciplinary physics",
"Physical quantities",
"Time",
"Theoretical physics",
"Unsolved problems in physics",
"Quantum gravity",
"Philosophy of time",
"Spacetime",
"Physics beyond the Standard Model"
] |
61,628,773 | https://en.wikipedia.org/wiki/Thermal%20oscillator | A thermal oscillator is a system where conduction along thermal gradients overshoots thermal equilibrium, resulting in thermal oscillations where parts of the system oscillate between being colder and hotter than average.
References
Thermodynamics | Thermal oscillator | [
"Physics",
"Chemistry",
"Mathematics"
] | 54 | [
"Thermodynamics stubs",
"Physical chemistry stubs",
"Thermodynamics",
"Dynamical systems"
] |
52,766,867 | https://en.wikipedia.org/wiki/List%20of%20types%20of%20sets | Sets can be classified according to the properties they have.
Relative to set theory
Empty set
Finite set, Infinite set
Countable set, Uncountable set
Power set
Relative to a topology
Closed set
Open set
Clopen set
Fσ set
Gδ set
Compact set
Relatively compact set
Regular open set, regular closed set
Conn... | List of types of sets | [
"Mathematics"
] | 215 | [
"Mathematical logic",
"Basic concepts in set theory",
"Set theory"
] |
52,768,371 | https://en.wikipedia.org/wiki/Syrosingopine | Syrosingopine is a drug, derived from reserpine. It is used (since about 1960) to treat hypertension.
Research
A combination of the diabetes drug metformin and syrosingopine killed tumor cells in blood samples from leukemia patients, while it did not damage blood cells in samples from healthy patients. The combinati... | Syrosingopine | [
"Chemistry"
] | 212 | [
"Tryptamine alkaloids",
"Alkaloids by chemical classification"
] |
52,768,731 | https://en.wikipedia.org/wiki/C24H36O4 | {{DISPLAYTITLE:C24H36O4}}
The molecular formula C24H36O4 (molar mass: 388.54 g/mol) may refer to:
Bolandiol dipropionate, or norpropandrolate
Methandriol diacetate, or methylandrostenediol diacetate
Testosterone acetate propionate
Molecular formulas | C24H36O4 | [
"Physics",
"Chemistry"
] | 83 | [
"Molecules",
"Set index articles on molecular formulas",
"Isomerism",
"Molecular formulas",
"Matter"
] |
52,768,889 | https://en.wikipedia.org/wiki/CSIRO%20Oceans%20and%20Atmosphere | CSIRO Oceans and Atmosphere (O&A) (2014–2022) was one of the then 8 Business Units (formerly: Flagships) of the Commonwealth Scientific and Industrial Research Organisation (CSIRO), Australia's largest government-supported science research agency. In December 2022 it was merged with CSIRO Land and Water to form a singl... | CSIRO Oceans and Atmosphere | [
"Physics",
"Biology",
"Environmental_science"
] | 1,665 | [
"Oceanography",
"Hydrology",
"Applied and interdisciplinary physics",
"Marine biology"
] |
52,772,118 | https://en.wikipedia.org/wiki/Nanopipette | Nanopipettes are pipettes in nanometer scale, generally made from quartz capillaries with the help of laser-based pipette puller system. Glass and carbon nanopipettes are most encountered ones in literature. Carbon nanopipettes are nanopipette shaped, hollow carbon layer. The thickness or diameter of nanopipettes can b... | Nanopipette | [
"Materials_science",
"Engineering"
] | 179 | [
"Nanotechnology",
"Materials science"
] |
52,772,188 | https://en.wikipedia.org/wiki/Drosomycin | Drosomycin is an antifungal peptide from Drosophila melanogaster and was the first antifungal peptide isolated from insects. Drosomycin is induced by infection by the Toll signalling pathway, while expression in surface epithelia like the respiratory tract is instead controlled by the immune deficiency pathway (Imd). T... | Drosomycin | [
"Chemistry"
] | 631 | [
"Biomolecules by chemical classification",
"Peptides",
"Molecular biology"
] |
52,772,642 | https://en.wikipedia.org/wiki/Brune%20test | The Brune test (named after the South African mathematician Otto Brune) is used to check the permissibility of the combination of two or more two-port networks (or quadripoles) in electrical circuit analysis. The test determines whether the network still meets the port condition after the two-ports have been combined.... | Brune test | [
"Engineering"
] | 579 | [
"Two-port networks",
"Electronic engineering"
] |
52,773,150 | https://en.wikipedia.org/wiki/Algorithmic%20transparency | Algorithmic transparency is the principle that the factors that influence the decisions made by algorithms should be visible, or transparent, to the people who use, regulate, and are affected by systems that employ those algorithms. Although the phrase was coined in 2016 by Nicholas Diakopoulos and Michael Koliska abou... | Algorithmic transparency | [
"Mathematics"
] | 361 | [
"Theoretical computer science",
"Applied mathematics",
"Algorithms",
"Mathematical logic"
] |
32,790,202 | https://en.wikipedia.org/wiki/Varespladib | Varespladib is an inhibitor of the IIa, V, and X isoforms of secretory phospholipase A2 (sPLA2). The molecule acts as an anti-inflammatory agent by disrupting the first step of the arachidonic acid pathway of inflammation. From 2006 to 2012, varespladib was under active investigation by Anthera Pharmaceuticals as a pot... | Varespladib | [
"Chemistry"
] | 2,313 | [
"Carboxylic acids",
"Functional groups"
] |
32,793,668 | https://en.wikipedia.org/wiki/Rabbit%20hybridoma | A rabbit hybridoma is a hybrid cell line formed by the fusion of an antibody producing rabbit B cell with a cancerous B-cell (myeloma).
History
The rabbit immune system has been documented as a vehicle for developing antibodies with higher affinity and more diverse recognition of many molecules including phospho-pept... | Rabbit hybridoma | [
"Biology"
] | 1,034 | [
"Immune system",
"Biotechnology",
"Organ systems",
"Immunology",
"nan"
] |
32,798,132 | https://en.wikipedia.org/wiki/PSR%20J0357%2B3205 | PSR J0357+3205 is a pulsar is located about 1,600 light years from Earth. PSR J0357+3205 was originally discovered by the Fermi Gamma-ray Space Telescope in 2009.
X-ray Bright Tail
A very long, X-ray bright tail (over 4 light years across) may be stretching away from PSR J0357+3205. The tail is puzzling because it sha... | PSR J0357+3205 | [
"Astronomy"
] | 543 | [
"Perseus (constellation)",
"Constellations"
] |
32,799,114 | https://en.wikipedia.org/wiki/Riemann%20invariant | Riemann invariants are mathematical transformations made on a system of conservation equations to make them more easily solvable. Riemann invariants are constant along the characteristic curves of the partial differential equations where they obtain the name invariant. They were first obtained by Bernhard Riemann in hi... | Riemann invariant | [
"Physics",
"Mathematics"
] | 542 | [
"Group actions",
"Conservation laws",
"Mathematical objects",
"Equations",
"Invariant theory",
"Conservation equations",
"Symmetry",
"Physics theorems"
] |
57,418,392 | https://en.wikipedia.org/wiki/Surface%20nuclear%20magnetic%20resonance | Surface nuclear magnetic resonance (SNMR), also known as magnetic resonance Sounding (MRS), is a geophysical technique specially designed for hydrogeology. It is based on the principle of nuclear magnetic resonance (NMR) and measurements can be used to indirectly estimate the water content of saturated and unsaturated ... | Surface nuclear magnetic resonance | [
"Physics",
"Chemistry",
"Engineering",
"Environmental_science"
] | 727 | [
"Environmental engineering",
"Hydrology",
"Nuclear magnetic resonance",
"Nuclear physics"
] |
57,421,934 | https://en.wikipedia.org/wiki/Heat%20flux%20measurements%20of%20thermal%20insulation | Heat flux measurements of thermal insulation are applied in laboratory and industrial environments to obtain reference or in-situ measurements of the thermal properties of an insulation material.
Thermal insulation is tested using nondestructive testing techniques relying on heat flux sensors. Procedures and requiremen... | Heat flux measurements of thermal insulation | [
"Physics",
"Chemistry",
"Materials_science",
"Engineering"
] | 815 | [
"Materials testing",
"Heat conduction",
"Thermodynamics",
"Materials science"
] |
54,100,403 | https://en.wikipedia.org/wiki/Imre%20F%C3%A9nyes | Imre Fényes (; 29July 191713November 1977) was a Hungarian physicist who was the first to propose a stochastic interpretation of quantum mechanics.
Selected publications
References
External links
Imre Fényes biography
1917 births
1977 deaths
People from Békés County
Scientists from Budapest
Franz Joseph University... | Imre Fényes | [
"Physics"
] | 93 | [
"Theoretical physics",
"Theoretical physicists",
"Quantum mechanics",
"Quantum physicists"
] |
54,101,695 | https://en.wikipedia.org/wiki/G%20equation | In Combustion, G equation is a scalar field equation which describes the instantaneous flame position, introduced by Forman A. Williams in 1985 in the study of premixed turbulent combustion. The equation is derived based on the Level-set method. The equation was first studied by George H. Markstein, in a restrictive f... | G equation | [
"Physics",
"Chemistry",
"Engineering"
] | 534 | [
"Functions of space and time",
"Chemical engineering",
"Combustion",
"Piping",
"Spacetime",
"Fluid dynamics"
] |
50,390,340 | https://en.wikipedia.org/wiki/Residence%20time | The residence time of a fluid parcel is the total time that the parcel has spent inside a control volume (e.g.: a chemical reactor, a lake, a human body). The residence time of a set of parcels is quantified in terms of the frequency distribution of the residence time in the set, which is known as residence time distri... | Residence time | [
"Physics",
"Chemistry",
"Engineering",
"Biology",
"Environmental_science"
] | 4,500 | [
"Pharmacology",
"Chemical reaction engineering",
"Hydrology",
"Pharmacokinetics",
"Water treatment",
"Aerospace engineering",
"Chemical engineering",
"Ecology",
"Physical systems",
"Biogeochemical cycle",
"Hydraulics",
"Biogeochemistry",
"Civil engineering",
"nan",
"Environmental enginee... |
38,390,513 | https://en.wikipedia.org/wiki/Acoustoelastic%20effect | The acoustoelastic effect is how the sound velocities (both longitudinal and shear wave velocities) of an elastic material change if subjected to an initial static stress field. This is a non-linear effect of the constitutive relation between mechanical stress and finite strain in a material of continuous mass. In clas... | Acoustoelastic effect | [
"Physics",
"Materials_science",
"Engineering"
] | 4,138 | [
"Applied and interdisciplinary physics",
"Classical mechanics",
"Materials science",
"Acoustics",
"nan"
] |
38,399,123 | https://en.wikipedia.org/wiki/Iron%28I%29%20hydride | Iron(I) hydride, systematically named iron hydride and poly(hydridoiron) is a solid inorganic compound with the chemical formula (also written or FeH). It is both thermodynamically and kinetically unstable toward decomposition at ambient temperature, and as such, little is known about its bulk properties.
Iron(I) hy... | Iron(I) hydride | [
"Chemistry"
] | 2,036 | [
"Metal hydrides",
"Inorganic compounds",
"Reducing agents"
] |
47,181,909 | https://en.wikipedia.org/wiki/Pulsatile%20secretion | Pulsatile secretion is a biochemical phenomenon observed in a wide variety of cell and tissue types, in which chemical products are secreted in a regular temporal pattern. The most common cellular products observed to be released in this manner are intercellular signaling molecules such as hormones or neurotransmitte... | Pulsatile secretion | [
"Chemistry",
"Biology"
] | 1,334 | [
"Biochemistry",
"Cell biology",
"nan",
"Physiology"
] |
47,182,539 | https://en.wikipedia.org/wiki/Fundamental%20series | The fundamental series is a set of spectral lines in a set caused by transition between d and f orbitals in atoms.
Originally the series was discovered in the infrared by Fowler and independently by Arno Bergmann. This resulted in the name Bergmann series used for such a set of lines in a spectrum. However the name ... | Fundamental series | [
"Physics",
"Chemistry"
] | 675 | [
"Molecular physics",
"Spectrum (physical sciences)",
"Instrumental analysis",
"Emission spectroscopy",
"Quantum mechanics",
"Atomic physics",
" molecular",
"Atomic",
"Spectroscopy",
" and optical physics"
] |
47,185,837 | https://en.wikipedia.org/wiki/Joakim%20Edsj%C3%B6 | Joakim Edsjö is a Swedish professor of theoretical physics at Stockholm University. His research is carried out at the interface of particle physics, astrophysics and cosmology, and is particularly concerned with the search for dark matter.
Education and academic career
Edsjö received his PhD in 1997 from the Uppsala ... | Joakim Edsjö | [
"Physics"
] | 280 | [
"Theoretical physics",
"Theoretical physicists"
] |
36,962,483 | https://en.wikipedia.org/wiki/Ocean%20dredging | Ocean dredging was an oceanography technique introduced in the nineteenth century and developed by naturalist Edward Forbes. This form of dredging removes substrate and fauna specifically from the marine environment. Ocean dredging techniques were used on the HMS Challenger expeditions as a way to sample marine sedimen... | Ocean dredging | [
"Physics",
"Environmental_science"
] | 533 | [
"Oceanography",
"Hydrology",
"Applied and interdisciplinary physics"
] |
36,966,162 | https://en.wikipedia.org/wiki/San%20Joaquin%20Marsh%20Wildlife%20Sanctuary | The San Joaquin Marsh Wildlife Sanctuary is a constructed wetland in Irvine, California, in the flood plain of San Diego Creek just above its outlet into the Upper Newport Bay.
History
The site is owned by the Irvine Ranch Water District; it was used for farmland in the 1950s and 1960s, and (prior to its reconstruct... | San Joaquin Marsh Wildlife Sanctuary | [
"Chemistry",
"Engineering",
"Biology"
] | 426 | [
"Bioremediation",
"Constructed wetlands",
"Environmental engineering"
] |
36,968,172 | https://en.wikipedia.org/wiki/Inter-universal%20Teichm%C3%BCller%20theory | Inter-universal Teichmüller theory (IUT or IUTT) is the name given by mathematician Shinichi Mochizuki to a theory he developed in the 2000s, following his earlier work in arithmetic geometry. According to Mochizuki, it is "an arithmetic version of Teichmüller theory for number fields equipped with an elliptic curve". ... | Inter-universal Teichmüller theory | [
"Mathematics"
] | 1,639 | [
"Fields of abstract algebra",
"Discrete mathematics",
"Number theory",
"Algebraic geometry"
] |
44,044,538 | https://en.wikipedia.org/wiki/Siegfried%20Wolff | Siegfried Wolff is a now-retired Degussa chemist noted for first recognizing the potential of using silica in tire treads to reduce rolling resistance.
Education
Siegfried Wolff was born in Germany.
Career
Wolff started his career at Degussa in 1953 as a student apprentice, later moving into research and developmen... | Siegfried Wolff | [
"Chemistry",
"Materials_science"
] | 237 | [
"Polymer scientists and engineers",
"Physical chemists",
"Polymer chemistry"
] |
44,046,734 | https://en.wikipedia.org/wiki/Matched%20molecular%20pair%20analysis | Matched molecular pair analysis (MMPA) is a method in cheminformatics that compares the properties of two molecules that differ only by a single chemical transformation, such as the substitution of a hydrogen atom by a chlorine one. Such pairs of compounds are known as matched molecular pairs (MMP). Because the structu... | Matched molecular pair analysis | [
"Chemistry"
] | 1,196 | [
"Computational chemistry",
"Cheminformatics",
"nan"
] |
44,048,160 | https://en.wikipedia.org/wiki/Homology-derived%20Secondary%20Structure%20of%20Proteins | HSSP (Homology-derived Secondary Structure of Proteins) is a database that combines structural and sequence information about proteins. This database has the information of the alignment of all available homologs of proteins from the PDB database As a result of this, HSSP is also a database of homology-based implied pr... | Homology-derived Secondary Structure of Proteins | [
"Chemistry"
] | 87 | [
"Protein structure",
"Structural biology"
] |
44,048,805 | https://en.wikipedia.org/wiki/Affimer | Affimer molecules are small proteins that bind to target proteins with affinity in the nanomolar range. These engineered non-antibody binding proteins are designed to mimic the molecular recognition characteristics of monoclonal antibodies in different applications. These affinity reagents have been optimized to increa... | Affimer | [
"Chemistry"
] | 1,037 | [
"Antibody mimetics",
"Molecular biology"
] |
44,050,315 | https://en.wikipedia.org/wiki/Royal%20Spring%2C%20Warsaw | The Royal Spring (Zdrój Królewski) is a well located in Romuald Traugutt Park on Zakroczymska Street in Warsaw. The spring's building was built in the 18th century, with construction beginning in 1770. It is also called the King Stanislaus Augustus Spring. In the 18th century it was very popular with residents of the W... | Royal Spring, Warsaw | [
"Chemistry",
"Engineering",
"Environmental_science"
] | 401 | [
"Hydrology",
"Water wells",
"Environmental engineering"
] |
44,051,448 | https://en.wikipedia.org/wiki/List%20of%20Martin%20Gardner%20Mathematical%20Games%20columns | Over a period of 24 years (January 1957 – December 1980), Martin Gardner wrote 288 consecutive monthly "Mathematical Games" columns for Scientific American magazine. During the next years, until June 1986, Gardner wrote 9 more columns, bringing his total to 297. During this period other authors wrote most of the colu... | List of Martin Gardner Mathematical Games columns | [
"Mathematics"
] | 255 | [
"Recreational mathematics"
] |
44,052,408 | https://en.wikipedia.org/wiki/Scytovirin | Scytovirin is a 95-amino acid antiviral protein isolated from the cyanobacteria Scytonema varium. It has been cultured in E. coli and its structure investigated in detail. Scytovirin is thought to be produced by the bacteria to protect itself from viruses that might otherwise attack it, but as it has broad-spectrum ant... | Scytovirin | [
"Chemistry",
"Biology"
] | 224 | [
"Biomolecules by chemical classification",
"Biotechnology stubs",
"Biochemistry stubs",
"Molecular biology",
"Biochemistry",
"Proteins"
] |
44,054,294 | https://en.wikipedia.org/wiki/FGI-106 | FGI-106 is a broad-spectrum antiviral drug developed as a potential treatment for enveloped RNA viruses, in particular viral hemorrhagic fevers from the bunyavirus, flavivirus and filovirus families. It acts as an inhibitor which blocks viral entry into host cells. In animal tests FGI-106 shows both prophylactic and cu... | FGI-106 | [
"Biology"
] | 214 | [
"Antiviral drugs",
"Biocides"
] |
44,054,592 | https://en.wikipedia.org/wiki/LJ-001 | LJ-001 is a broad-spectrum antiviral drug developed as a potential treatment for enveloped viruses. It acts as an inhibitor which blocks viral entry into host cells at a step after virus binding but before virus–cell fusion, and also irreversibly inactivates the virions themselves by generating reactive singlet oxygen ... | LJ-001 | [
"Chemistry",
"Biology"
] | 268 | [
"Antiviral drugs",
"Biocides",
"Drug safety",
"Abandoned drugs"
] |
44,055,082 | https://en.wikipedia.org/wiki/FGI-103 | FGI-103 is an antiviral drug developed as a potential treatment for the filoviruses Ebola virus and Marburg virus. In tests on mice FGI-103 was effective against both Ebola and Marburg viruses when administered up to 48 hours after infection. The mechanism of action of FGI-103 has however not yet been established, as i... | FGI-103 | [
"Biology"
] | 131 | [
"Antiviral drugs",
"Biocides"
] |
44,055,412 | https://en.wikipedia.org/wiki/EMIAS | Unified Medical Information and Analytical System of Moscow (EMIAS) is an information system that automatises the booking of hospital visits and work of medical professionals in Moscow city. The system includes online appointment services, Electronic Health Record management, and Electronic prescribing based on "Clou... | EMIAS | [
"Biology"
] | 539 | [
"Health informatics",
"Medical technology"
] |
62,631,267 | https://en.wikipedia.org/wiki/BiPhePhos | BiPhePhos is an organophosphorus compound that is used as a ligand in homogeneous catalysis. Classified as a diphosphite, BiPhePhos is derived from three 2,2'-biphenol groups, which constrain its shape in such a way to confer high selectivity to derived catalysts. Originally described by workers at Union Carbide, it ... | BiPhePhos | [
"Chemistry"
] | 142 | [
"Chelating agents",
"Process chemicals"
] |
62,634,280 | https://en.wikipedia.org/wiki/Hydrocarbon%20poisoning | Hydrocarbon poisoning is either the swallowing or breathing in of hydrocarbons. Swallowing hydrocarbons may result in symptoms include coughing or vomiting. Breathing in hydrocarbons may result in low blood oxygen and shortness of breath. Complications may include confusion or seizures.
Hydrocarbons may include gasoli... | Hydrocarbon poisoning | [
"Chemistry",
"Environmental_science"
] | 90 | [
"Hydrocarbons",
"Toxicology",
"Toxicology stubs",
"Organic compounds",
"Poisons"
] |
62,638,447 | https://en.wikipedia.org/wiki/Medicinal%20Chemistry%20Research | Medicinal Chemistry Research is a peer-reviewed scientific journal of medicinal chemistry emphasizing the structure-activity relationships of biologically active compounds. It was founded in 1991 by Alfred Burger (University of Virginia), who also founded the Journal of Medicinal Chemistry. The journal is currently ed... | Medicinal Chemistry Research | [
"Chemistry"
] | 171 | [
"Biochemistry stubs",
"Medicinal chemistry journals",
"Medicinal chemistry",
"Medicinal chemistry stubs"
] |
62,639,397 | https://en.wikipedia.org/wiki/Volume%20correction%20factor | In thermodynamics, the Volume Correction Factor (VCF), also known as Correction for the effect of Temperature on Liquid (CTL), is a standardized computed factor used to correct for the thermal expansion of fluids, primarily, liquid hydrocarbons at various temperatures and densities. It is typically a number between 0 a... | Volume correction factor | [
"Physics",
"Chemistry",
"Mathematics"
] | 988 | [
"Thermodynamic properties",
"Quantity",
"Thermodynamics",
"Physical quantities"
] |
41,179,389 | https://en.wikipedia.org/wiki/Chrysosporium%20keratinophilum | Chrysosporium keratinophilum is a mold that is closely related to the dermatophytic fungi (Family Arthrodermataceae) and is mainly found in soil and the coats of wild animals to break down keratin. Chrysosporium keratinophilum is one of the more commonly occurring species of the genus Chrysosporium in nature. It is eas... | Chrysosporium keratinophilum | [
"Biology"
] | 2,235 | [
"Fungi",
"Fungus species"
] |
41,180,634 | https://en.wikipedia.org/wiki/Induction%20of%20regular%20languages | In computational learning theory, induction of regular languages refers to the task of learning a formal description (e.g. grammar) of a regular language from a given set of example strings. Although E. Mark Gold has shown that not every regular language can be learned this way (see language identification in the limit... | Induction of regular languages | [
"Mathematics"
] | 2,815 | [
"Formal languages",
"Mathematical logic"
] |
41,184,901 | https://en.wikipedia.org/wiki/Garfield%20Thomas%20Water%20Tunnel | The Garfield Thomas Water Tunnel is one of the U.S. Navy's principal experimental hydrodynamic research facilities and is operated by the Penn State Applied Research Laboratory. The facility was completed and entered operation in 1949. The facility is named after Lieutenant W. Garfield Thomas Jr., a Penn State journali... | Garfield Thomas Water Tunnel | [
"Physics"
] | 947 | [
"Scale modeling"
] |
41,188,349 | https://en.wikipedia.org/wiki/Electrostatic%20spray%20ionization | Electrostatic spray ionization (ESTASI) is an ambient ionization method for mass spectrometry (MS) analysis of samples located on a flat or porous surface, or inside a microchannel. It was developed in 2011 by Professor Hubert H. Girault’s group at the École Polytechnique Fédérale de Lausanne (EPFL) in Switzerland. In ... | Electrostatic spray ionization | [
"Physics"
] | 1,042 | [
"Ion source",
"Mass spectrometry",
"Spectrum (physical sciences)"
] |
41,189,850 | https://en.wikipedia.org/wiki/C4H6Cl2 | {{DISPLAYTITLE:C4H6Cl2}}
The molecular formula C4H6Cl2 (molar mass: 124.996 g/mol, exact mass: 123.9847 u) may refer to:
1,1-Bis(chloromethyl)ethylene
1,4-Dichlorobut-2-ene
Molecular formulas | C4H6Cl2 | [
"Physics",
"Chemistry"
] | 83 | [
"Molecules",
"Set index articles on molecular formulas",
"Isomerism",
"Molecular formulas",
"Matter"
] |
48,901,154 | https://en.wikipedia.org/wiki/Double%20Fourier%20sphere%20method | In mathematics, the double Fourier sphere (DFS) method is a technique that transforms a function defined on the surface of the sphere to a function defined on a rectangular domain while preserving periodicity in both the longitude and latitude directions.
Introduction
First, a function on the sphere is written as u... | Double Fourier sphere method | [
"Physics",
"Astronomy",
"Mathematics"
] | 247 | [
"Black holes",
"Physical phenomena",
"Physical quantities",
"Coordinate systems",
"Concepts in astronomy",
"Equations of astronomy",
"Unsolved problems in physics",
"Astronomy stubs",
"Astrophysics",
"Stellar astronomy stubs",
"Astrophysics stubs",
"Density",
"Relativity stubs",
"Theory of... |
42,610,100 | https://en.wikipedia.org/wiki/Part%20program | The part program is a sequence of instruction that describe the work that is to be done to a part. Typically these instructions are generated in Computer-aided manufacturing software and are then fed into the computer numerical control (CNC) software on the machines, such as drills, lathes, mills, grinders, routers, th... | Part program | [
"Engineering"
] | 403 | [
"Construction",
"Industrial engineering",
"Computer-aided engineering"
] |
42,610,193 | https://en.wikipedia.org/wiki/Permeability%20of%20soils | A number of factors affect the permeability of soils, from particle size, impurities in the water, void ratio, the degree of saturation, and adsorbed water, to entrapped air and organic material.
Background
Soil aeration maintains oxygen levels in the plants' root zone, needed for microbial and root respiration, and i... | Permeability of soils | [
"Physics"
] | 711 | [
"Soil mechanics",
"Applied and interdisciplinary physics"
] |
42,610,902 | https://en.wikipedia.org/wiki/Lieb%E2%80%93Robinson%20bounds | The Lieb–Robinson bound is a theoretical upper limit on the speed at which information can propagate in non-relativistic quantum systems. It demonstrates that information cannot travel instantaneously in quantum theory, even when the relativity limits of the speed of light are ignored. The existence of such a finite sp... | Lieb–Robinson bounds | [
"Physics"
] | 3,312 | [
"Physical phenomena",
"Limits of computation"
] |
42,611,813 | https://en.wikipedia.org/wiki/Run-off%20transcription | A run-off transcription assay is an assay in molecular biology which is conducted in vitro to identify the position of the transcription start site (1 base pair upstream) of a specific promoter along with its accuracy and rate of in vitro transcription.
Run-off transcription can be used to quantitatively measure the e... | Run-off transcription | [
"Chemistry",
"Biology"
] | 357 | [
"Molecular biology techniques",
"Molecular biology"
] |
42,615,525 | https://en.wikipedia.org/wiki/CANDU%20Owners%20Group | CANDU Owners Group is a private, not-for-profit corporation funded voluntarily by CANDU operating utilities worldwide, Canadian Nuclear Laboratories (CNL) and supplier participants. It is dedicated to providing programs for cooperation, mutual assistance and exchange of information for the successful support, developm... | CANDU Owners Group | [
"Engineering"
] | 235 | [
"Nuclear industry organizations",
"Nuclear organizations"
] |
42,616,903 | https://en.wikipedia.org/wiki/Falling-film%20column | A falling-film column (or wetted-wall column) is a kind of laboratory equipment used to achieve mass and heat transfer between two fluid phases (in general one gas phase and one liquid phase).
It consists of a vertical tube-shaped vessel: the liquid stream flows downwards through the inner wall of the tube and the gas... | Falling-film column | [
"Chemistry",
"Engineering"
] | 315 | [
"Chemical equipment",
"nan"
] |
32,802,555 | https://en.wikipedia.org/wiki/Weisner%27s%20method | In mathematics, Weisner's method is a method for finding generating functions for special functions using representation theory of Lie groups and Lie algebras, introduced by . It includes Truesdell's method as a special case, and is essentially the same as Rainville's method.
References
Generating functions | Weisner's method | [
"Mathematics"
] | 62 | [
"Sequences and series",
"Generating functions",
"Mathematical structures"
] |
32,804,088 | https://en.wikipedia.org/wiki/International%20Conference%20on%20Systems%20Biology | The International Conference on Systems Biology (ICSB) is the primary international conference for systems biology research. Created by Hiroaki Kitano in 2000, its organization is now coordinated by the International Society for Systems Biology (ISSB).
Previous conferences
ICSB-2023, Hartford, Connecticut, USA
IC... | International Conference on Systems Biology | [
"Biology"
] | 393 | [
"Systems biology"
] |
51,237,098 | https://en.wikipedia.org/wiki/Mean%20square | In mathematics and its applications, the mean square is normally defined as the arithmetic mean of the squares of a set of numbers or of a random variable.
It may also be defined as the arithmetic mean of the squares of the deviations between a set of numbers and a reference value (e.g., may be a mean or an assumed m... | Mean square | [
"Physics",
"Mathematics"
] | 230 | [
"Means",
"Mathematical analysis",
"Point (geometry)",
"Geometric centers",
"Symmetry"
] |
51,239,611 | https://en.wikipedia.org/wiki/Techno-authoritarianism | Techno-authoritarianism, also known as IT-backed authoritarianism, digital authoritarianism or digital dictatorship, refers to the state use of information technology in order to control or manipulate both foreign and domestic populations. Tactics of digital authoritarianism may include mass surveillance including thro... | Techno-authoritarianism | [
"Engineering"
] | 1,356 | [
"Government by algorithm",
"Automation"
] |
51,244,168 | https://en.wikipedia.org/wiki/Hedonic%20game | In cooperative game theory, a hedonic game (also known as a hedonic coalition formation game) is a game that models the formation of coalitions (groups) of players when players have preferences over which group they belong to. A hedonic game is specified by giving a finite set of players, and, for each player, a prefer... | Hedonic game | [
"Mathematics"
] | 2,648 | [
"Game theory game classes",
"Game theory"
] |
55,665,052 | https://en.wikipedia.org/wiki/Liquid%20marbles | Liquid marbles are non-stick droplets (normally aqueous) wrapped by micro- or nano-metrically scaled hydrophobic, colloidal particles (Teflon, polyethylene, lycopodium powder, carbon black, etc.); representing a platform for a diversity of chemical and biological applications. Liquid marbles are also found naturally; a... | Liquid marbles | [
"Physics",
"Chemistry",
"Materials_science"
] | 983 | [
"Microfluidics",
"Microtechnology",
"Phases of matter",
"Surface science",
"Condensed matter physics",
"Matter",
"Liquids"
] |
55,665,108 | https://en.wikipedia.org/wiki/Ultradivided%20matter | In physics, ultradivided matter is a family of states of matter characterised by a heterogeneous mixture of two or more different materials, where the interaction energy between the suspended phase is larger than kT. The term 'ultradivided matter' encapsulates several types of substance including: soap micelles, emulsi... | Ultradivided matter | [
"Physics",
"Chemistry",
"Materials_science",
"Engineering"
] | 406 | [
"Soft matter",
"Phases of matter",
"Materials science",
"Homogeneous chemical mixtures",
"Condensed matter physics",
"Solutions",
"Matter"
] |
55,671,999 | https://en.wikipedia.org/wiki/Bypass%20transition | A bypass transition is a laminar–turbulent transition in a fluid flow over a surface. It occurs when a laminar boundary layer transitions to a turbulent one through some secondary instability mode, bypassing some of the pre-transitional events that typically occur in a natural laminar–turbulent transition.
History
The... | Bypass transition | [
"Chemistry",
"Engineering"
] | 280 | [
"Turbulence",
"Chemical engineering",
"Boundary layers",
"Piping",
"Fluid dynamics"
] |
63,989,376 | https://en.wikipedia.org/wiki/Archimedean%20ordered%20vector%20space | In mathematics, specifically in order theory, a binary relation on a vector space over the real or complex numbers is called Archimedean if for all whenever there exists some such that for all positive integers then necessarily
An Archimedean (pre)ordered vector space is a (pre)ordered vector space whose order ... | Archimedean ordered vector space | [
"Mathematics"
] | 405 | [
"Functions and mappings",
"Functional analysis",
"Mathematical objects",
"Mathematical relations",
"Order theory"
] |
63,990,466 | https://en.wikipedia.org/wiki/WASP-36 | WASP-36 is a yellow main sequence star in the Hydra constellation.
Star characteristics
WASP-36 is a yellow main sequence star of spectral class G2, similar to the Sun. It has an unconfirmed stellar companion with apparent magnitude 14.03.
Planetary system
In 2010, the SuperWASP survey found the Hot Jupiter class p... | WASP-36 | [
"Astronomy"
] | 175 | [
"Constellations",
"Hydra (constellation)",
"Astronomy organizations",
"Wide Angle Search for Planets"
] |
63,990,518 | https://en.wikipedia.org/wiki/Europium%20hydride | Europium hydride is the most common hydride of europium with a chemical formula EuH2. In this compound, europium atom is in the +2 oxidation state and the hydrogen atoms are -1. It is a ferromagnetic semiconductor.
Production
Europium hydride can be produced by directly reacting europium and hydrogen gas:
Eu + H2 → E... | Europium hydride | [
"Physics",
"Chemistry"
] | 138 | [
"Inorganic compounds",
"Ferromagnetic materials",
"Semiconductor materials",
"Reducing agents",
"Materials",
"Metal hydrides",
"Matter"
] |
63,991,113 | https://en.wikipedia.org/wiki/Base%2050 | A Base 50 engine is a generic term for engines that are reverse-engineered from the Honda air-cooled four-stroke single cylinder engine. Honda first offered these engines in 1958, on their Honda Super Cub 50. Honda has offered variations of this engine continuously, in sizes up to , since its introduction. The Honda S... | Base 50 | [
"Physics",
"Technology",
"Engineering"
] | 354 | [
"Physical systems",
"Machines",
"Reverse engineering",
"Engines"
] |
63,992,022 | https://en.wikipedia.org/wiki/Phoslactomycin%20B | Phoslactomycin (PLM) is a natural product from the isolation of Streptomyces species. This is an inhibitor of the protein serine/threonine phosphatase which is the protein phosphate 2A (PP2A). The PP2A involves the growth factor of the cell such as to induce the formation of mitogen-activated protein interaction and pl... | Phoslactomycin B | [
"Chemistry"
] | 907 | [
"Natural products",
"Medicinal chemistry"
] |
63,992,561 | https://en.wikipedia.org/wiki/Sulfate%20nitrates | The sulfate nitrates are a family of double salts that contain both sulfate and nitrate ions (NO3−, SO42−). They are in the class of mixed anion compounds. A few rare minerals are in this class. Two sulfate nitrates are in the class of anthropogenic compounds, accidentally made as a result of human activities in fertil... | Sulfate nitrates | [
"Physics",
"Chemistry"
] | 153 | [
"Matter",
"Mixed anion compounds",
"Sulfates",
"Oxidizing agents",
"Nitrates",
"Salts",
"Ions"
] |
60,491,326 | https://en.wikipedia.org/wiki/Magnetic%20space%20group | In solid state physics, the magnetic space groups, or Shubnikov groups, are the symmetry groups which classify the symmetries of a crystal both in space, and in a two-valued property such as electron spin. To represent such a property, each lattice point is colored black or white, and in addition to the usual three-dim... | Magnetic space group | [
"Physics",
"Chemistry",
"Materials_science",
"Mathematics",
"Engineering"
] | 1,893 | [
"Electric and magnetic fields in matter",
"Materials science",
"Group theory",
"Magnetic ordering",
"Crystallography",
"Fields of abstract algebra",
"Condensed matter physics"
] |
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