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 |
|---|---|---|---|---|---|---|
26,916,166 | https://en.wikipedia.org/wiki/Gas%20in%20scattering%20media%20absorption%20spectroscopy | Gas in scattering media absorption spectroscopy (GASMAS) is an optical technique for sensing and analysis of gas located within porous and highly scattering solids, e.g. powders, ceramics, wood, fruit, translucent packages, pharmaceutical tablets, foams, human paranasal sinuses etc. It was introduced in 2001 by Prof. S... | Gas in scattering media absorption spectroscopy | [
"Physics",
"Chemistry"
] | 1,401 | [
"Instrumental analysis",
"Molecular physics",
"Spectroscopy",
"Spectrum (physical sciences)"
] |
8,432,385 | https://en.wikipedia.org/wiki/Dispatchable%20generation | Dispatchable generation refers to sources of electricity that can be programmed on demand at the request of power grid operators, according to market needs. Dispatchable generators may adjust their power output according to an order.
Non-dispatchable renewable energy sources such as wind power and solar photovoltaic (... | Dispatchable generation | [
"Physics",
"Engineering"
] | 947 | [
"Power (physics)",
"Electrical engineering",
"Electric power",
"Physical quantities"
] |
8,433,618 | https://en.wikipedia.org/wiki/Ubbelohde%20viscometer | An Ubbelohde type viscometer or suspended-level viscometer is a measuring instrument which uses a capillary based method of measuring viscosity. It is recommended for higher viscosity cellulosic polymer solutions. The advantage of this instrument is that the values obtained are independent of the total volume. The dev... | Ubbelohde viscometer | [
"Chemistry",
"Materials_science",
"Technology",
"Engineering"
] | 531 | [
"Viscosity meters",
"Materials science",
"Polymer chemistry",
"Measuring instruments"
] |
8,437,941 | https://en.wikipedia.org/wiki/Noncommutative%20standard%20model | In theoretical particle physics, the non-commutative Standard Model (best known as Spectral Standard Model
), is a model based on noncommutative geometry that unifies a modified form of general relativity with the Standard Model (extended with right-handed neutrinos).
The model postulates that space-time is the produ... | Noncommutative standard model | [
"Physics"
] | 1,075 | [
"Unsolved problems in physics",
"Particle physics",
"Physics beyond the Standard Model"
] |
27,287,411 | https://en.wikipedia.org/wiki/CIT%20Program%20Tumor%20Identity%20Cards | The "Cartes d'Identité des Tumeurs (CIT)" program, launched and funded by the French charity "Ligue Nationale contre le Cancer," aims to improve or develop better targeted therapeutic approaches by refining molecular knowledge of multiple types of tumors. The CIT program mainly relies on the large-scale and systematic ... | CIT Program Tumor Identity Cards | [
"Engineering",
"Biology"
] | 153 | [
"Bioinformatics",
"Biological engineering"
] |
4,928,954 | https://en.wikipedia.org/wiki/Tricine | Tricine is an organic compound that is used in buffer solutions. The name tricine comes from tris and glycine, from which it was derived. It is a white crystalline powder that is moderately soluble in water. It is a zwitterionic amino acid that has a pKa1 value of 2.3 at 25 °C, while its pKa2 at 20 °C is 8.15. Its usef... | Tricine | [
"Physics",
"Chemistry"
] | 334 | [
"Buffer solutions",
"Ions",
"Zwitterions",
"Matter"
] |
4,930,033 | https://en.wikipedia.org/wiki/Stationary%20state | A stationary state is a quantum state with all observables independent of time. It is an eigenvector of the energy operator (instead of a quantum superposition of different energies). It is also called energy eigenvector, energy eigenstate, energy eigenfunction, or energy eigenket. It is very similar to the concept of ... | Stationary state | [
"Physics"
] | 1,118 | [
"Theoretical physics",
"Quantum mechanics"
] |
4,930,696 | https://en.wikipedia.org/wiki/MagneRide | MagneRide is an automotive adaptive suspension with magnetorheological damper system developed by the Delphi Automotive corporation, that uses magnetically controlled dampers, or shock absorbers, for a highly adaptive ride. As opposed to traditional suspension systems, MagneRide has no mechanical valves or even small m... | MagneRide | [
"Physics"
] | 1,438 | [
"Mechanics",
"Mechanical power control"
] |
4,931,186 | https://en.wikipedia.org/wiki/Blood%20fractionation | Blood fractionation is the process of fractionating whole blood, or separating it into its component parts. This is typically done by centrifuging the blood.
The resulting components are:
a clear solution of blood plasma in the upper phase (which can be separated into its own fractions, see Blood plasma fractionati... | Blood fractionation | [
"Chemistry",
"Biology"
] | 411 | [
"Fractionation",
"Medical technology",
"Separation processes"
] |
4,932,111 | https://en.wikipedia.org/wiki/Capacitor | In electrical engineering, a capacitor is a device that stores electrical energy by accumulating electric charges on two closely spaced surfaces that are insulated from each other. The capacitor was originally known as the condenser, a term still encountered in a few compound names, such as the condenser microphone. It... | Capacitor | [
"Physics",
"Technology",
"Engineering"
] | 15,951 | [
"Electrical components",
"Physical quantities",
"Capacitors",
"Capacitance",
"Electrical engineering",
"Components"
] |
4,932,763 | https://en.wikipedia.org/wiki/Characterization%20%28materials%20science%29 | Characterization, when used in materials science, refers to the broad and general process by which a material's structure and properties are probed and measured. It is a fundamental process in the field of materials science, without which no scientific understanding of engineering materials could be ascertained. The sc... | Characterization (materials science) | [
"Physics",
"Materials_science",
"Engineering"
] | 854 | [
"Applied and interdisciplinary physics",
"Materials science",
"nan"
] |
2,679,447 | https://en.wikipedia.org/wiki/Bel%20decomposition | In semi-Riemannian geometry, the Bel decomposition, taken with respect to a specific timelike congruence, is a way of breaking up the Riemann tensor of a pseudo-Riemannian manifold into lower order tensors with properties similar to the electric field and magnetic field. Such a decomposition was partially described by... | Bel decomposition | [
"Physics",
"Engineering"
] | 457 | [
"Tensors",
"Physical quantities",
"Tensor physical quantities",
"Tensors in general relativity",
"Relativity stubs",
"Theory of relativity"
] |
2,679,476 | https://en.wikipedia.org/wiki/Hinman%20collator | The Hinman collator, an early optical collator, was an opto-mechanical device for comparing pairs of documents for differences in the text. Documents that appeared similar were said to “collate”. The collator resulted in rapid advances in the study of literary works.
Invented by Charlton Hinman in the late 1940s, the ... | Hinman collator | [
"Materials_science",
"Engineering"
] | 471 | [
"Glass engineering and science",
"Optical devices"
] |
2,680,508 | https://en.wikipedia.org/wiki/Carminati%E2%80%93McLenaghan%20invariants | In general relativity, the Carminati–McLenaghan invariants or CM scalars are a set of 16 scalar curvature invariants for the Riemann tensor. This set is usually supplemented with at least two additional invariants.
Mathematical definition
The CM invariants consist of 6 real scalars plus 5 complex scalars, making a t... | Carminati–McLenaghan invariants | [
"Physics",
"Engineering"
] | 405 | [
"Tensors in general relativity",
"Tensors",
"Tensor physical quantities",
"Physical quantities"
] |
2,680,620 | https://en.wikipedia.org/wiki/Parameterized%20post-Newtonian%20formalism | In physics, precisely in the study of the theory of general relativity and many alternatives to it, the post-Newtonian formalism is a calculational tool that expresses Einstein's (nonlinear) equations of gravity in terms of the lowest-order deviations from Newton's law of universal gravitation. This allows approximatio... | Parameterized post-Newtonian formalism | [
"Physics"
] | 1,976 | [
"General relativity",
"Theoretical physics",
"Theory of relativity",
"Theories of gravity"
] |
2,683,414 | https://en.wikipedia.org/wiki/Perseus%20Cluster | The Perseus cluster (Abell 426) is a cluster of galaxies in the constellation Perseus. It has a recession speed of 5,366 km/s and a diameter of 863. It is one of the most massive objects in the known universe, containing thousands of galaxies immersed in a vast cloud of multimillion-degree gas.
X-radiation from the cl... | Perseus Cluster | [
"Astronomy"
] | 813 | [
"Perseus (constellation)",
"Galaxy clusters",
"Astronomical objects",
"Constellations"
] |
2,683,666 | https://en.wikipedia.org/wiki/Filler%20metal | In metalworking, a filler metal is a metal added in the making of a joint through welding, brazing, or soldering.
Soldering
Soldering and brazing processes rely on a filler metal added to the joint to form the junction between the base metal parts. Soft soldering uses a filler that melts at a lower temperature than t... | Filler metal | [
"Engineering"
] | 788 | [
"Welding",
"Mechanical engineering"
] |
2,684,031 | https://en.wikipedia.org/wiki/Atomic%20diffusion | In chemical physics, atomic diffusion is a diffusion process whereby the random, thermally-activated movement of atoms in a solid results in the net transport of atoms. For example, helium atoms inside a balloon can diffuse through the wall of the balloon and escape, resulting in the balloon slowly deflating. Other air... | Atomic diffusion | [
"Physics",
"Chemistry",
"Materials_science",
"Engineering"
] | 534 | [
"Transport phenomena",
"Physical phenomena",
"Diffusion",
"Crystallographic defects",
"Materials science",
"Crystallography",
"Materials degradation"
] |
2,684,087 | https://en.wikipedia.org/wiki/Momentum%20diffusion | Momentum diffusion most commonly refers to the diffusion, or spread of momentum between particles (atoms or molecules) of matter, often in the fluid state.
This transport of momentum can occur in any direction of the fluid flow. Momentum diffusion can be attributed to either external pressure or shear stress or both.
... | Momentum diffusion | [
"Physics",
"Chemistry",
"Engineering"
] | 653 | [
"Transport phenomena",
"Physical phenomena",
"Diffusion",
"Chemical engineering",
"Piping",
"Fluid dynamics"
] |
2,684,175 | https://en.wikipedia.org/wiki/Photon%20diffusion | Photon diffusion is a situation where photons travel through a material without being absorbed, but rather undergoing repeated scattering events which change the direction of their path. The path of any given photon is then effectively a random walk. A large ensemble of such photons can be said to exhibit diffusion in ... | Photon diffusion | [
"Physics",
"Chemistry"
] | 246 | [
"Transport phenomena",
"Physical phenomena",
"Diffusion"
] |
2,684,396 | https://en.wikipedia.org/wiki/Brush%20%28electric%29 | A brush or carbon brush is an electrical contact, often made from specially prepared carbon, which conducts current between stationary and rotating parts (the latter most commonly being a rotating shaft) of an electrical machine. Typical applications include electric motors, alternators and electric generators. The lif... | Brush (electric) | [
"Technology",
"Engineering"
] | 997 | [
"Electrical engineering",
"Engines",
"Electric motors"
] |
2,684,566 | https://en.wikipedia.org/wiki/Drag%20count | A drag count is a dimensionless unit used by aerospace engineers. 1 drag count is equal to a of 0.0001.
As the drag forces present on automotive vehicles are smaller than for aircraft, 1 drag count is commonly referred to as 0.0001 of .
Definition
A drag count is defined as:
where:
is the drag force, which i... | Drag count | [
"Physics",
"Chemistry",
"Mathematics"
] | 207 | [
"Fluid dynamics stubs",
"Drag (physics)",
"Force",
"Physical quantities",
"Quantity",
"Mass",
"Mathematical objects",
"Classical mechanics",
"Equations",
"Wikipedia categories named after physical quantities",
"Matter",
"Fluid dynamics"
] |
25,424,454 | https://en.wikipedia.org/wiki/Dentin%20phosphoprotein | Dentin phosphoprotein, or phosphophoryn, is one of three proteins formed from dentin sialophosphoprotein and is important in the regulation of mineralization of dentin, one of the main constituent materials of teeth (see dentinogenesis).
Phosphophoryn is the most acidic protein ever discovered and has an isoelectric ... | Dentin phosphoprotein | [
"Chemistry"
] | 177 | [
"Biomolecules by chemical classification",
"Protein stubs",
"Biochemistry stubs",
"Molecular biology",
"Proteins"
] |
25,425,327 | https://en.wikipedia.org/wiki/SHARON%20Wastewater%20Treatment | SHARON (Single reactor system for High activity Ammonium Removal Over Nitrite) is a sewage treatment process. A partial nitrification process of sewage treatment used for the removal of ammonia and organic nitrogen components from wastewater flow streams. The process results in stable nitrite formation, rather than com... | SHARON Wastewater Treatment | [
"Chemistry",
"Engineering"
] | 514 | [
"Water technology",
"Anaerobic digestion",
"Environmental engineering"
] |
25,429,092 | https://en.wikipedia.org/wiki/Endiandric%20acid%20C | Endiandric acid C, isolated from the tree Endiandra introrsa, is a well characterized chemical compound. Endiadric acid C is reported to have better antibiotic activity than ampicillin.
This genus of trees is in the family Lauraceae. These trees are found in the north-eastern Australian rainforests and other tropical ... | Endiandric acid C | [
"Chemistry",
"Biology"
] | 2,461 | [
"Biotechnology products",
"Carboxylic acids",
"Functional groups",
"Antibiotics",
"Chemical synthesis",
"Total synthesis",
"Biocides"
] |
25,430,394 | https://en.wikipedia.org/wiki/Fina%20%28architecture%29 | In Mediterranean architecture, the fina is a physical space used in urban design, corresponding to the approximately 1-meter-wide public space alongside buildings. It is used to describe the placement of design items within traditional architectural elements. It also mandates public rules of behaviour for the neighbour... | Fina (architecture) | [
"Engineering"
] | 481 | [
"Architecture stubs",
"Architecture"
] |
3,642,362 | https://en.wikipedia.org/wiki/Electroless%20deposition | Electroless deposition (ED) or electroless plating is an autocatalytic process through which metals and metal alloys are deposited onto conductive and nonconductive surfaces. These nonconductive surfaces include plastics, ceramics, and glass etc., which can then become decorative, anti-corrosive, and conductive dependi... | Electroless deposition | [
"Chemistry",
"Engineering"
] | 3,653 | [
"Corrosion prevention",
"Metallurgical processes",
"Coatings",
"Corrosion",
"Printed circuit board manufacturing",
"Electronic engineering",
"Electrical engineering",
"Metal plating"
] |
3,643,964 | https://en.wikipedia.org/wiki/Chemical%20field-effect%20transistor | A ChemFET is a chemically-sensitive field-effect transistor, that is a field-effect transistor used as a sensor for measuring chemical concentrations in solution. When the target analyte concentration changes, the current through the transistor will change accordingly. Here, the analyte solution separates the source an... | Chemical field-effect transistor | [
"Chemistry",
"Technology",
"Engineering",
"Biology"
] | 701 | [
"Acid–base chemistry",
"Electrodes",
"Measuring instruments",
"Biosensors",
"Equilibrium chemistry",
"Electrochemistry",
"nan",
"Sensors"
] |
3,644,058 | https://en.wikipedia.org/wiki/Sommerfeld%20identity | The Sommerfeld identity is a mathematical identity, due Arnold Sommerfeld, used in the theory of propagation of waves,
where
is to be taken with positive real part, to ensure the convergence of the integral and its vanishing in the limit and
.
Here, is the distance from the origin while is the distance from the c... | Sommerfeld identity | [
"Physics",
"Mathematics"
] | 318 | [
"Physical phenomena",
"Mathematical theorems",
"Classical mechanics",
"Waves",
"Wave mechanics",
"Mathematical identities",
"Mathematical problems",
"Algebra"
] |
6,470,547 | https://en.wikipedia.org/wiki/Targeted%20drug%20delivery | Targeted drug delivery, sometimes called smart drug delivery, is a method of delivering medication to a patient in a manner that increases the concentration of the medication in some parts of the body relative to others. This means of delivery is largely founded on nanomedicine, which plans to employ nanoparticle-media... | Targeted drug delivery | [
"Chemistry",
"Materials_science",
"Biology"
] | 3,489 | [
"Pharmacology",
"Pharmacokinetics",
"Drug delivery devices",
"Nanomedicine",
"nan",
"Medicinal chemistry",
"Biochemistry",
"Nanotechnology"
] |
6,473,308 | https://en.wikipedia.org/wiki/Catalyst%20poisoning | Catalyst poisoning is the partial or total deactivation of a catalyst by a chemical compound. Poisoning refers specifically to chemical deactivation, rather than other mechanisms of catalyst degradation such as thermal decomposition or physical damage. Although usually undesirable, poisoning may be helpful when it resu... | Catalyst poisoning | [
"Chemistry"
] | 1,206 | [
"Catalysis",
"Chemical kinetics"
] |
1,935,605 | https://en.wikipedia.org/wiki/Micropropagation | Micropropagation or tissue culture is the practice of rapidly multiplying plant stock material to produce many progeny plants, using modern plant tissue culture methods.
Micropropagation is used to multiply a wide variety of plants, such as those that have been genetically modified or bred through conventional plant b... | Micropropagation | [
"Biology"
] | 2,148 | [
"Behavior",
"Plant reproduction",
"Plants",
"Reproduction"
] |
1,935,842 | https://en.wikipedia.org/wiki/Evidence-based%20design | Evidence-based design (EBD) is the process of constructing a building or physical environment based on scientific research to achieve the best possible outcomes. Evidence-based design is especially important in evidence-based medicine, where research has shown that environment design can affect patient outcomes. It is ... | Evidence-based design | [
"Biology"
] | 4,932 | [
"Health informatics",
"Medical technology"
] |
1,935,972 | https://en.wikipedia.org/wiki/Diethyl%20azodicarboxylate | Diethyl azodicarboxylate, conventionally abbreviated as DEAD and sometimes as DEADCAT, is an organic compound with the structural formula . Its molecular structure consists of a central azo functional group, RN=NR, flanked by two ethyl ester groups. This orange-red liquid is a valuable reagent but also quite dangerous ... | Diethyl azodicarboxylate | [
"Chemistry"
] | 1,466 | [
"Reagents for organic chemistry"
] |
1,936,485 | https://en.wikipedia.org/wiki/Serotype | A serotype or serovar is a distinct variation within a species of bacteria or virus or among immune cells of different individuals. These microorganisms, viruses, or cells are classified together based on their shared reactivity between their surface antigens and a particular antiserum, allowing the classification of o... | Serotype | [
"Chemistry",
"Biology"
] | 1,613 | [
"Evolutionary processes",
"Speciation",
"Microbiology",
"nan",
"Microscopy"
] |
1,936,653 | https://en.wikipedia.org/wiki/Samuel%20L.%20Braunstein | Samuel Leon Braunstein (born 1961) is a professor at the University of York, England. He is a member of a research group in non-standard computation and has a particular interest in quantum information, quantum computation, and black hole thermodynamics.
Braunstein has written or edited three books and has published m... | Samuel L. Braunstein | [
"Physics"
] | 557 | [
"Quantum physicists",
"Quantum mechanics"
] |
1,936,865 | https://en.wikipedia.org/wiki/Glucose-6-phosphate%20isomerase | Glucose-6-phosphate isomerase (GPI), alternatively known as phosphoglucose isomerase/phosphoglucoisomerase (PGI) or phosphohexose isomerase (PHI), is an enzyme ( ) that in humans is encoded by the GPI gene on chromosome 19.
This gene encodes a member of the glucose phosphate isomerase protein family. The encoded protei... | Glucose-6-phosphate isomerase | [
"Chemistry",
"Biology"
] | 1,906 | [
"Carbohydrate metabolism",
"Biomarkers",
"Tumor markers",
"Glycolysis",
"Protein classification",
"Protein domains",
"Chemical pathology"
] |
1,936,945 | https://en.wikipedia.org/wiki/Dual%20superconductor%20model | In the theory of quantum chromodynamics, dual superconductor models attempt to explain confinement of quarks in terms of an electromagnetic dual theory of superconductivity.
Overview
In an electromagnetic dual theory the roles of electric and magnetic fields are interchanged. The BCS theory of superconductivity explai... | Dual superconductor model | [
"Physics"
] | 677 | [
"Quantum mechanics",
"Quantum physics stubs"
] |
1,936,957 | https://en.wikipedia.org/wiki/General%20transcription%20factor | General transcription factors (GTFs), also known as basal transcriptional factors, are a class of protein transcription factors that bind to specific sites (promoter) on DNA to activate transcription of genetic information from DNA to messenger RNA. GTFs, RNA polymerase, and the mediator (a multi-protein complex) const... | General transcription factor | [
"Chemistry",
"Biology"
] | 1,004 | [
"Induced stem cells",
"Gene expression",
"Transcription factors",
"Signal transduction"
] |
1,937,128 | https://en.wikipedia.org/wiki/Phosphorus%20halide | In chemistry, there are three series of binary phosphorus halides, containing phosphorus in the oxidation states +5, +3 and +2. All compounds have been described, in varying degrees of detail, although serious doubts have been cast on the existence of PI5. Mixed chalcogen halides also exist.
Oxidation state +5 (PX5)
... | Phosphorus halide | [
"Chemistry"
] | 676 | [
"Inorganic phosphorus compounds",
"Inorganic compounds"
] |
1,937,145 | https://en.wikipedia.org/wiki/S%20wave |
In seismology and other areas involving elastic waves, S waves, secondary waves, or shear waves (sometimes called elastic S waves) are a type of elastic wave and are one of the two main types of elastic body waves, so named because they move through the body of an object, unlike surface waves.
S waves are transverse... | S wave | [
"Physics"
] | 1,087 | [
"Waves",
"Physical phenomena",
"Motion (physics)"
] |
1,937,408 | https://en.wikipedia.org/wiki/Watchmaker%20analogy | The watchmaker analogy or watchmaker argument is a teleological argument, an argument for the existence of God. In broad terms, the watchmaker analogy states that just as it is readily observed that a watch (e.g.: a pocket watch) did not come to be accidentally or on its own but rather through the intentional handiwork... | Watchmaker analogy | [
"Engineering"
] | 4,117 | [
"Intelligent design",
"Design"
] |
1,937,828 | https://en.wikipedia.org/wiki/Nanostructure | A nanostructure is a structure of intermediate size between microscopic and molecular structures. Nanostructural detail is microstructure at nanoscale.
In describing nanostructures, it is necessary to differentiate between the number of dimensions in the volume of an object which are on the nanoscale. Nanotextured sur... | Nanostructure | [
"Materials_science"
] | 316 | [
"Nanotechnology",
"Materials science stubs",
"Nanotechnology stubs",
"Nanomaterials"
] |
1,938,356 | https://en.wikipedia.org/wiki/Axial%20ratio | Axial ratio, for any structure or shape with two or more axes, is the ratio of the length (or magnitude) of those axes to each other - the longer axis divided by the shorter.
In chemistry or materials science, the axial ratio (symbol P) is used to describe rigid rod-like molecules. It is defined as the length of the ... | Axial ratio | [
"Chemistry",
"Materials_science",
"Mathematics",
"Engineering"
] | 132 | [
"Polymer physics",
"Materials science stubs",
"Polymer stubs",
"Materials science",
"Ratios",
"Arithmetic",
"Polymer chemistry",
"Organic chemistry stubs"
] |
1,938,536 | https://en.wikipedia.org/wiki/Wavellite | Wavellite is an aluminium basic phosphate mineral with formula Al3(PO4)2(OH, F)3·5H2O. Distinct crystals are rare, and it normally occurs as translucent green radial or spherical clusters.
Discovery and occurrence
Wavellite was first described in 1805 for an occurrence at High Down, Filleigh, Devon, England and name... | Wavellite | [
"Physics",
"Chemistry"
] | 267 | [
"Luminescence",
"Luminescent minerals",
"Materials",
"Gemstones",
"Matter"
] |
1,940,015 | https://en.wikipedia.org/wiki/Nature%20Reviews%20Molecular%20Cell%20Biology | Nature Reviews Molecular Cell Biology is a monthly peer-reviewed review journal published by Nature Portfolio. It was established in October 2000 and covers all aspects of molecular and cell biology. The editor-in-chief is Kim Baumann.
According to the Journal Citation Reports, the journal has a 2021 impact factor of ... | Nature Reviews Molecular Cell Biology | [
"Chemistry"
] | 108 | [
"Molecular and cellular biology journals",
"Molecular biology"
] |
24,048,043 | https://en.wikipedia.org/wiki/Hairpin%20clip | A hairpin clip, also known as a retaining pin, is a type of formed wire used on a grooved shaft. It is designed to be easily installed and uninstalled, and is reusable. They are commonly made from 1050 carbon steel and 300 series stainless steel.
References
Fasteners
Steel objects | Hairpin clip | [
"Engineering"
] | 67 | [
"Construction",
"Fasteners"
] |
24,048,122 | https://en.wikipedia.org/wiki/Grain%20boundary%20diffusion%20coefficient | The grain boundary diffusion coefficient is the diffusion coefficient of a diffusant along a grain boundary in a polycrystalline solid. It is a physical constant denoted , and it is important in understanding how grain boundaries affect atomic diffusivity. Grain boundary diffusion is a commonly observed route for solu... | Grain boundary diffusion coefficient | [
"Physics",
"Chemistry"
] | 459 | [
"Transport phenomena",
"Physical phenomena",
"Diffusion"
] |
24,048,956 | https://en.wikipedia.org/wiki/Potential%20flow%20around%20a%20circular%20cylinder | In mathematics, potential flow around a circular cylinder is a classical solution for the flow of an inviscid, incompressible fluid around a cylinder that is transverse to the flow. Far from the cylinder, the flow is unidirectional and uniform. The flow has no vorticity and thus the velocity field is irrotational and c... | Potential flow around a circular cylinder | [
"Chemistry",
"Engineering"
] | 1,482 | [
"Piping",
"Chemical engineering",
"Fluid dynamics"
] |
24,050,458 | https://en.wikipedia.org/wiki/Dynamic%20circuit%20network | A dynamic circuit network (DCN) is an advanced computer networking technology that combines traditional packet-switched communication based on the Internet Protocol, as used in the Internet, with circuit-switched technologies that are characteristic of traditional telephone network systems. This combination allows user... | Dynamic circuit network | [
"Technology",
"Engineering"
] | 339 | [
"Network architecture",
"Computer networks engineering",
"Computer engineering"
] |
22,547,607 | https://en.wikipedia.org/wiki/Tron%3A%20Legacy | Tron: Legacy (stylized as TRON: Legacy) is a 2010 American science fiction action film directed by Joseph Kosinski from a screenplay by Adam Horowitz and Edward Kitsis, based on a story by Horowitz, Kitsis, Brian Klugman, and Lee Sternthal. The second installment in the Tron series, it serves as a sequel to Tron (1982)... | Tron: Legacy | [
"Technology"
] | 12,629 | [
"Works about computing",
"Films about computing"
] |
22,549,668 | https://en.wikipedia.org/wiki/Comparison%20of%20instruction%20set%20architectures | An instruction set architecture (ISA) is an abstract model of a computer, also referred to as computer architecture. A realization of an ISA is called an implementation. An ISA permits multiple implementations that may vary in performance, physical size, and monetary cost (among other things); because the ISA serves as... | Comparison of instruction set architectures | [
"Technology",
"Engineering"
] | 1,719 | [
"Computer engineering",
"Computers",
"Computing comparisons",
"Computer architecture"
] |
22,553,448 | https://en.wikipedia.org/wiki/Steglich%20esterification | The Steglich esterification is a variation of an esterification with dicyclohexylcarbodiimide as a coupling reagent and 4-dimethylaminopyridine as a catalyst. The reaction was first described by Wolfgang Steglich in 1978. It is an adaptation of an older method for the formation of amides by means of DCC (dicyclohexylca... | Steglich esterification | [
"Chemistry"
] | 374 | [
"Coupling reactions",
"Esterification reactions",
"Name reactions",
"Organic reactions"
] |
22,553,477 | https://en.wikipedia.org/wiki/BOSS%20%28molecular%20mechanics%29 | Biochemical and Organic Simulation System (BOSS) is a general-purpose molecular modeling program that performs molecular mechanics calculations, Metropolis Monte Carlo statistical mechanics simulations, and semiempirical Austin Model 1 (AM1), PM3, and PDDG/PM3 quantum mechanics calculations. The molecular mechanics cal... | BOSS (molecular mechanics) | [
"Chemistry"
] | 207 | [
"Molecular modelling",
"Molecular modelling software",
"Computational chemistry software"
] |
22,555,068 | https://en.wikipedia.org/wiki/PstI | PstI is a type II restriction endonuclease isolated from the Gram negative species, Providencia stuartii.
Function
PstI cleaves DNA at the recognition sequence 5′-CTGCA/G-3′ generating fragments with 3′-cohesive termini. This cleavage yields sticky ends 4 base pairs long. PstI is catalytically active as a dimer. The ... | PstI | [
"Biology"
] | 662 | [
"Genetics techniques",
"Restriction enzymes"
] |
13,087,180 | https://en.wikipedia.org/wiki/Mass%20%28mass%20spectrometry%29 | The mass recorded by a mass spectrometer can refer to different physical quantities depending on the characteristics of the instrument and the manner in which the mass spectrum is displayed.
Units
The dalton (symbol: Da) is the standard unit that is used for indicating mass on an atomic or molecular scale (atomic mass... | Mass (mass spectrometry) | [
"Physics",
"Chemistry",
"Mathematics"
] | 1,671 | [
"Scalar physical quantities",
"Physical quantities",
"Spectrum (physical sciences)",
"Instrumental analysis",
"Quantity",
"Mass",
"Size",
"Mass spectrometry",
"Wikipedia categories named after physical quantities",
"Matter"
] |
13,089,065 | https://en.wikipedia.org/wiki/RGS4 | Regulator of G protein signaling 4 also known as RGP4 is a protein that in humans is encoded by the RGS4 gene. RGP4 regulates G protein signaling.
Function
Regulator of G protein signalling (RGS) family members are regulatory molecules that act as GTPase activating proteins (GAPs) for G alpha subunits of heterotrime... | RGS4 | [
"Chemistry"
] | 318 | [
"Biomolecules by chemical classification",
"Proteins",
"Molecular biology"
] |
13,089,880 | https://en.wikipedia.org/wiki/Parallel%20mesh%20generation | Parallel mesh generation in numerical analysis is a new research area between the boundaries of two scientific computing disciplines: computational geometry and parallel computing. Parallel mesh generation methods decompose the original mesh generation problem into smaller subproblems which are solved (meshed) in p... | Parallel mesh generation | [
"Physics"
] | 856 | [
"Tessellation",
"Mesh generation",
"Symmetry"
] |
13,090,363 | https://en.wikipedia.org/wiki/Error-correcting%20codes%20with%20feedback | In mathematics, computer science, telecommunication, information theory, and searching theory, error-correcting codes with feedback are error correcting codes designed to work in the presence of feedback from the receiver to the sender.
Problem
Alice (the sender) wishes to send a value x to Bob (the receiver). The c... | Error-correcting codes with feedback | [
"Engineering"
] | 393 | [
"Error detection and correction",
"Reliability engineering"
] |
13,091,426 | https://en.wikipedia.org/wiki/Sequence%20hypothesis | The sequence hypothesis was first formally proposed in the review "On Protein Synthesis" by Francis Crick in 1958. It states that the sequence of bases in the genetic material (DNA or RNA) determines the sequence of amino acids for which that segment of nucleic acid codes, and this amino acid sequence determines the th... | Sequence hypothesis | [
"Chemistry",
"Biology"
] | 187 | [
"Biomolecules by chemical classification",
"Biology theories",
"Nucleic acids"
] |
25,435,134 | https://en.wikipedia.org/wiki/Nuclear%20magnetic%20resonance%20database%20method | The nuclear magnetic resonance database method enables the identification of the stereochemistry of chiral molecules, especially polyols. It relies on the observation that NMR spectroscopy data depend only on the immediate environment near an asymmetric carbon, not on the entire molecular structure. All stereoisomers... | Nuclear magnetic resonance database method | [
"Physics",
"Chemistry",
"Astronomy"
] | 194 | [
"Spectroscopy stubs",
"Nuclear magnetic resonance",
"Spectrum (physical sciences)",
"Nuclear magnetic resonance spectroscopy",
"Astronomy stubs",
"Nuclear chemistry stubs",
"Nuclear magnetic resonance stubs",
"Molecular physics stubs",
"Spectroscopy",
"Physical chemistry stubs"
] |
25,436,307 | https://en.wikipedia.org/wiki/Roark%27s%20Formulas%20for%20Stress%20and%20Strain | Roark's Formulas for Stress and Strain is a mechanical engineering design book written by Richard G. Budynas and Ali M. Sadegh. It was first published in 1938 and the most current ninth edition was published in March 2020.
Subjects
The book covers various subjects, including bearing and shear stress, experimental stre... | Roark's Formulas for Stress and Strain | [
"Physics",
"Engineering"
] | 650 | [
"Applied and interdisciplinary physics",
"Mechanical engineering"
] |
25,441,497 | https://en.wikipedia.org/wiki/Stokes%27%20theorem | Stokes' theorem, also known as the Kelvin–Stokes theorem after Lord Kelvin and George Stokes, the fundamental theorem for curls, or simply the curl theorem, is a theorem in vector calculus on . Given a vector field, the theorem relates the integral of the curl of the vector field over some surface, to the line integral... | Stokes' theorem | [
"Physics",
"Mathematics",
"Engineering"
] | 2,238 | [
"Theorems in mathematical analysis",
"Electromagnetism",
"Physical phenomena",
"Theorems in calculus",
"Calculus",
"Mechanics",
"Fundamental interactions",
"Mechanical engineering"
] |
25,444,252 | https://en.wikipedia.org/wiki/Molecular%20processor | A molecular processor is a processor that is based on a molecular platform rather than on an inorganic semiconductor in integrated circuit format.
Current technology
Molecular processors are currently in their infancy and currently only a few exist. At present a basic molecular processor is any biological or chemical... | Molecular processor | [
"Chemistry",
"Materials_science",
"Engineering",
"Biology"
] | 688 | [
"Biological engineering",
"Molecular physics",
"Molecular electronics",
"Nanoelectronics",
"Nanotechnology"
] |
26,925,616 | https://en.wikipedia.org/wiki/List%20of%20tribology%20organizations | This is a list of organizations involved in research in or advocacy of tribology, the scientific and engineering discipline related to friction, lubrication and wear.
Government
Argonne National Laboratory
NASA - Glenn Research Center
National Center for Scientific Research (CNRS)
National Research Council (Canada)... | List of tribology organizations | [
"Chemistry",
"Materials_science",
"Engineering"
] | 981 | [
"Tribology",
"Mechanical engineering",
"Materials science",
"Surface science"
] |
21,044,436 | https://en.wikipedia.org/wiki/SIGraDi | The Sociedad Iberoamericana de Gráfica Digital, SIGraDi (Iberoamerican Society of Digital Graphics) gathers researchers, educators and professionals in architecture, urban design, communication design, Product Design and Art whose work involves the new digital media.
It is an organization sister to ACADIA, eCAADe, CAA... | SIGraDi | [
"Engineering"
] | 271 | [
"Design",
"Architectural design",
"Architecture"
] |
21,045,118 | https://en.wikipedia.org/wiki/Haefliger%20structure | In mathematics, a Haefliger structure on a topological space is a generalization of a foliation of a manifold, introduced by André Haefliger in 1970. Any foliation on a manifold induces a special kind of Haefliger structure, which uniquely determines the foliation.
Definition
A codimension- Haefliger structure on a to... | Haefliger structure | [
"Mathematics"
] | 651 | [
"Topological spaces",
"Mathematical structures",
"Topology",
"Space (mathematics)"
] |
21,045,989 | https://en.wikipedia.org/wiki/Principal%20indecomposable%20module | In mathematics, especially in the area of abstract algebra known as module theory, a principal indecomposable module has many important relations to the study of a ring's modules, especially its simple modules, projective modules, and indecomposable modules.
Definition
A (left) principal indecomposable module of a r... | Principal indecomposable module | [
"Mathematics"
] | 510 | [
"Fields of abstract algebra",
"Module theory"
] |
21,047,750 | https://en.wikipedia.org/wiki/Oxylipin | Oxylipins constitute a family of oxygenated natural products which are formed from fatty acids by pathways involving at least one step of dioxygen-dependent oxidation. These small polar lipid compounds are metabolites of polyunsaturated fatty acids (PUFAs) including omega-3 fatty acids and omega-6 fatty acids. Oxylipi... | Oxylipin | [
"Chemistry"
] | 1,282 | [
"Organic compounds",
"Biomolecules by chemical classification",
"Lipids"
] |
21,051,205 | https://en.wikipedia.org/wiki/Perfectly%20orderable%20graph | In graph theory, a perfectly orderable graph is a graph whose vertices can be ordered in such a way that a greedy coloring algorithm with that ordering optimally colors every induced subgraph of the given graph. Perfectly orderable graphs form a special case of the perfect graphs, and they include the chordal graphs, c... | Perfectly orderable graph | [
"Mathematics"
] | 892 | [
"Graph coloring",
"Graph theory",
"Computational problems",
"Mathematical relations",
"Mathematical problems",
"NP-complete problems"
] |
21,054,515 | https://en.wikipedia.org/wiki/Drug%20reference%20standard | A drug reference standard or pharmaceutical reference standard is a highly characterized material suitable to test the identity, strength, quality and purity of substances for pharmaceutical use and medicinal products.
Pharmacopoeial reference standards
Pharmacopoeial reference standards are a subset of pharmaceutica... | Drug reference standard | [
"Chemistry"
] | 228 | [
"Pharmacology",
"Chemicals in medicine",
"Drugs",
"Products of chemical industry"
] |
21,054,852 | https://en.wikipedia.org/wiki/Anwell%20Technologies | Anwell Technologies Limited was a Hong Kong multinational manufacturing company. Founded in 2000, the company initially designed machines that mass-produced optical discs, but later began manufacturing thin-film solar cells and organic light-emitting diodes (OLEDs) as well. The company was listed on the Singapore Excha... | Anwell Technologies | [
"Materials_science",
"Mathematics",
"Engineering"
] | 511 | [
"Thin-film cells",
"Engineering companies",
"Photovoltaics manufacturers",
"Planes (geometry)",
"Thin films"
] |
19,941,455 | https://en.wikipedia.org/wiki/Depth%E2%80%93slope%20product | The depth–slope product is used to calculate the shear stress at the bed of an open channel containing fluid that is undergoing steady, uniform flow. It is widely used in river engineering, stream restoration, sedimentology, and fluvial geomorphology. It is the product of the water depth and the mean bed slope, along w... | Depth–slope product | [
"Chemistry",
"Engineering"
] | 901 | [
"Chemical engineering",
"Construction",
"Civil engineering",
"Environmental engineering",
"Piping",
"Fluid dynamics"
] |
19,947,748 | https://en.wikipedia.org/wiki/Reid%20vapor%20pressure | Reid vapor pressure (RVP) is a common measure of the volatility of gasoline and other petroleum products. It is defined as the
absolute vapor pressure exerted by the vapor of the liquid and any dissolved gases/moisture at 37.8 °C (100 °F) as determined by the test method ASTM-D-323, which was first developed in 1930 ... | Reid vapor pressure | [
"Physics",
"Chemistry",
"Engineering"
] | 678 | [
"Applied and interdisciplinary physics",
"Engineering thermodynamics",
"Petroleum technology",
"Thermodynamics",
"Oil refining",
"nan",
"Mechanical engineering",
"Physical chemistry"
] |
19,949,953 | https://en.wikipedia.org/wiki/Water%20power%20engine | A water power engine includes prime movers driven by water and which may be classified under three categories:
Water pressure motors, having a piston and cylinder with inlet and outlet valves: their action is that analogous of a steam- or gas-engine with water as the working fluid – see water engine
Water wheels
Tur... | Water power engine | [
"Physics",
"Chemistry",
"Technology",
"Engineering",
"Environmental_science"
] | 2,626 | [
"Machines",
"Hydrology",
"Engines",
"Physical systems",
"Hydraulics",
"Civil engineering",
"Hydraulic engineering",
"Fluid dynamics"
] |
19,950,193 | https://en.wikipedia.org/wiki/Hydraulic%20redistribution | Hydraulic redistribution is a passive mechanism where water is transported from moist to dry soils via subterranean networks. It occurs in vascular plants that commonly have roots in both wet and dry soils, especially plants with both taproots that grow vertically down to the water table, and lateral roots that sit clo... | Hydraulic redistribution | [
"Physics",
"Chemistry",
"Engineering",
"Biology",
"Environmental_science"
] | 1,084 | [
"Plant physiology",
"Physical phenomena",
"Earth phenomena",
"Applied and interdisciplinary physics",
"Hydrology",
"Plants",
"Soil physics",
"Ecological processes",
"Environmental engineering"
] |
19,953,006 | https://en.wikipedia.org/wiki/Plasmonic%20nanolithography | Plasmonic nanolithography (also known as plasmonic lithography or plasmonic photolithography) is a nanolithographic process that utilizes surface plasmon excitations such as surface plasmon polaritons (SPPs) to fabricate nanoscale structures. SPPs, which are surface waves that propagate in between planar dielectric-met... | Plasmonic nanolithography | [
"Physics",
"Chemistry",
"Materials_science"
] | 1,029 | [
"Plasmonics",
"Microtechnology",
"Surface science",
"Condensed matter physics",
"Nanotechnology",
"Solid state engineering",
"Lithography (microfabrication)"
] |
27,292,230 | https://en.wikipedia.org/wiki/Graphical%20models%20for%20protein%20structure | Graphical models have become powerful frameworks for protein structure prediction, protein–protein interaction, and free energy calculations for protein structures. Using a graphical model to represent the protein structure allows the solution of many problems including secondary structure prediction, protein-protein i... | Graphical models for protein structure | [
"Chemistry",
"Biology"
] | 1,364 | [
"Biochemistry methods",
"Protein methods",
"Protein biochemistry",
"Theoretical chemistry",
"Computational chemistry"
] |
27,296,457 | https://en.wikipedia.org/wiki/Endocannabinoid%20reuptake%20inhibitor | Endocannabinoid reuptake inhibitors (eCBRIs), also called cannabinoid reuptake inhibitors (CBRIs), are drugs which limit the reabsorption of endocannabinoid neurotransmitters by the releasing neuron.
Pharmacology
The method of transport of endocannabinoids through the cell membrane and cytoplasm to their respective de... | Endocannabinoid reuptake inhibitor | [
"Chemistry",
"Biology"
] | 421 | [
"Biochemistry",
"Neurochemistry"
] |
18,790,525 | https://en.wikipedia.org/wiki/SCR-658%20radar | The SCR-658 radar is a radio direction finding set introduced by the U. S. Army in 1944, was developed in conjunction with the SCR-268 radar. It was preceded by the SCR-258. Its primary purpose was to track weather balloons. Prior to this it was only possible to track weather balloons with a theodolite, causing diffic... | SCR-658 radar | [
"Technology",
"Engineering"
] | 379 | [
"Meteorological instrumentation and equipment",
"Measuring instruments"
] |
18,790,726 | https://en.wikipedia.org/wiki/High-pressure%20electrolysis | High-pressure electrolysis (HPE) is the electrolysis of water by decomposition of water (H2O) into oxygen (O2) and hydrogen gas (H2) due to the passing of an electric current through the water. The difference with a standard proton exchange membrane (PEM) electrolyzer is the compressed hydrogen output around at 70 °C.... | High-pressure electrolysis | [
"Chemistry"
] | 622 | [
"Electrochemistry",
"Electrolysis"
] |
18,793,978 | https://en.wikipedia.org/wiki/Flame%20speed | The flame speed is the measured rate of expansion of the flame front in a combustion reaction. Whereas flame velocity is generally used for a fuel, a related term is explosive velocity, which is the same relationship measured for an explosive. Combustion engineers differentiate between the laminar flame speed and turbu... | Flame speed | [
"Chemistry"
] | 259 | [
"Chemical reaction stubs",
"Combustion",
"Chemical process stubs"
] |
18,795,045 | https://en.wikipedia.org/wiki/TP-003 | TP-003 is an anxiolytic drug with a novel chemical structure, which is used in scientific research. It has similar effects to benzodiazepine drugs, but is structurally distinct and so is classed as a nonbenzodiazepine anxiolytic.
TP-003 is a positive allosteric modulator at the benzodiazepine binding site of GABAA rec... | TP-003 | [
"Chemistry"
] | 209 | [
"Nitriles",
"Functional groups"
] |
4,936,677 | https://en.wikipedia.org/wiki/Cranege%20brothers | Thomas and George Cranege (also spelled Cranage), who worked in the ironworking industry in England in the 1760s, are notable for introducing a new method of producing wrought iron from pig iron.
Experiment of 1766
The process of converting pig iron into wrought iron (also known as bar iron) was at that time carried o... | Cranege brothers | [
"Chemistry",
"Materials_science"
] | 502 | [
"Metallurgy",
"History of metallurgy"
] |
4,938,776 | https://en.wikipedia.org/wiki/Gerotor | A gerotor is a positive displacement pump. The name gerotor is derived from "generated rotor." A gerotor unit consists of an inner and an outer rotor. The inner rotor has n teeth, while the outer rotor has n + 1 teeth, with n defined as a natural number greater than or equal to 2. The axis of the inner rotor is offset... | Gerotor | [
"Physics",
"Chemistry",
"Technology"
] | 592 | [
"Pumps",
"Turbomachinery",
"Engines",
"Gas compressors",
"Physical systems",
"Engine technology",
"Hydraulics"
] |
4,939,073 | https://en.wikipedia.org/wiki/Homomorphic%20encryption | Homomorphic encryption is a form of encryption that allows computations to be performed on encrypted data without first having to decrypt it. The resulting computations are left in an encrypted form which, when decrypted, result in an output that is identical to that of the operations performed on the unencrypted data.... | Homomorphic encryption | [
"Engineering"
] | 3,578 | [
"Cybersecurity engineering",
"Information privacy"
] |
4,939,491 | https://en.wikipedia.org/wiki/Parylene | Parylene is the common name of a polymer whose backbone consists of para-benzenediyl rings −− connected by 1,2-ethanediyl bridges −−−. It can be obtained by polymerization of para-xylylene ==.
The name is also used for several polymers with the same backbone, where some hydrogen atoms are replaced by other functiona... | Parylene | [
"Chemistry",
"Materials_science"
] | 5,235 | [
"Polymers",
"Polymer chemistry"
] |
4,941,216 | https://en.wikipedia.org/wiki/Protein%20pKa%20calculations | {{DISPLAYTITLE:Protein pKa calculations}}
In computational biology, protein pKa calculations are used to estimate the pKa values of amino acids as they exist within proteins. These calculations complement the pKa values reported for amino acids in their free state, and are used frequently within the fields of molecular... | Protein pKa calculations | [
"Chemistry",
"Biology"
] | 1,687 | [
"Equilibrium chemistry",
"Protein methods",
"Protein biochemistry",
"Biochemistry methods"
] |
4,941,851 | https://en.wikipedia.org/wiki/Schedule | A schedule (, ) or a timetable, as a basic time-management tool, consists of a list of times at which possible tasks, events, or actions are intended to take place, or of a sequence of events in the chronological order in which such things are intended to take place. The process of creating a schedule — deciding how to... | Schedule | [
"Physics"
] | 1,719 | [
"Spacetime",
"Physical quantities",
"Time",
"Time management"
] |
4,942,384 | https://en.wikipedia.org/wiki/Conjugacy%20problem | In abstract algebra, the conjugacy problem for a group G with a given presentation is the decision problem of determining, given two words x and y in G, whether or not they represent conjugate elements of G. That is, the problem is to determine whether there exists an element z of G such that
The conjugacy problem is... | Conjugacy problem | [
"Mathematics"
] | 345 | [
"Computational problems",
"Group theory",
"Fields of abstract algebra",
"Undecidable problems",
"Mathematical problems"
] |
6,476,735 | https://en.wikipedia.org/wiki/Zinc-finger%20nuclease | Zinc-finger nucleases (ZFNs) are artificial restriction enzymes generated by fusing a zinc finger DNA-binding domain to a DNA-cleavage domain. Zinc finger domains can be engineered to target specific desired DNA sequences and this enables zinc-finger nucleases to target unique sequences within complex genomes. By tak... | Zinc-finger nuclease | [
"Engineering",
"Biology"
] | 2,969 | [
"Genetics techniques",
"History of biotechnology",
"Genome editing",
"Genetic engineering",
"Molecular genetics",
"Repetitive DNA sequences"
] |
8,440,094 | https://en.wikipedia.org/wiki/Serial%20manipulator | Serial manipulators are the most common industrial robots and they are designed as a series of links connected by motor-actuated joints that extend from a base to an end-effector. Often they have an anthropomorphic arm structure described as having a "shoulder", an "elbow", and a "wrist".
Serial robots usually have s... | Serial manipulator | [
"Engineering"
] | 966 | [
"Industrial robots",
"Robotics engineering",
"Robot kinematics"
] |
8,441,756 | https://en.wikipedia.org/wiki/Perosamine | Perosamine (or GDP-perosamine) is a mannose-derived 4-aminodeoxysugar produced by some bacteria.
Biological role
N-acetyl-perosamine is found in the O-antigen of Gram-negative bacteria such as Vibrio cholerae O1, E. coli O157:H7 and Caulobacter crescentus CB15. The sugar is also found in perimycin, an antibiotic prod... | Perosamine | [
"Chemistry"
] | 275 | [
"Deoxy sugars",
"Carbohydrates"
] |
8,442,558 | https://en.wikipedia.org/wiki/Nickel%20oxide%20hydroxide | Nickel oxide hydroxide is the inorganic compound with the chemical formula NiO(OH). It is a black solid that is insoluble in all solvents but attacked by base and acid. It is a component of the nickel–metal hydride battery and of the nickel–iron battery.
Related materials
Nickel(III) oxides are often poorly characteri... | Nickel oxide hydroxide | [
"Chemistry"
] | 332 | [
"Catalysis",
"Catalysts",
"Physical chemistry stubs",
"Inorganic compounds",
"Non-stoichiometric compounds",
"Electrochemistry",
"Chemical kinetics",
"Electrochemistry stubs"
] |
8,447,200 | https://en.wikipedia.org/wiki/Cosmic%20Origins%20Spectrograph | The Cosmic Origins Spectrograph (COS) is a science instrument that was installed on the Hubble Space Telescope during Servicing Mission 4 (STS-125) in May 2009. It is designed for ultraviolet (90–320 nm) spectroscopy of faint point sources with a resolving power of ≈1,550–24,000. Science goals include the study of the ... | Cosmic Origins Spectrograph | [
"Physics",
"Chemistry"
] | 2,035 | [
"Spectrographs",
"Spectroscopy",
"Spectrum (physical sciences)"
] |
8,447,393 | https://en.wikipedia.org/wiki/Ligand%20cone%20angle | In coordination chemistry, the ligand cone angle (θ) is a measure of the steric bulk of a ligand in a transition metal coordination complex. It is defined as the solid angle formed with the metal at the vertex of a cone and the outermost edge of the van der Waals spheres of the ligand atoms at the perimeter of the base... | Ligand cone angle | [
"Physics",
"Chemistry"
] | 598 | [
"Stereochemistry",
"Coordination chemistry",
"Space",
"nan",
"Spacetime",
"Organometallic chemistry"
] |
1,312,802 | https://en.wikipedia.org/wiki/Scroll%20compressor | A scroll compressor (also called spiral compressor, scroll pump and scroll vacuum pump) is a device for compressing air or refrigerant. It is used in air conditioning equipment, as an automobile supercharger (where it is known as a scroll-type supercharger) and as a vacuum pump. Many residential central heat pump and a... | Scroll compressor | [
"Physics",
"Chemistry",
"Engineering"
] | 1,470 | [
"Turbomachinery",
"Gas compressors",
"Vacuum pumps",
"Vacuum",
"Vacuum systems",
"Matter"
] |
1,313,639 | https://en.wikipedia.org/wiki/Skyrmion | In particle theory, the skyrmion () is a topologically stable field configuration of a certain class of non-linear sigma models. It was originally proposed as a model of the nucleon by (and named after) Tony Skyrme in 1961. As a topological soliton in the pion field, it has the remarkable property of being able to mode... | Skyrmion | [
"Physics"
] | 2,130 | [
"Hypothetical particles",
"Matter",
"Unsolved problems in physics",
"Physics beyond the Standard Model",
"Subatomic particles"
] |
1,313,664 | https://en.wikipedia.org/wiki/Selection%20rule | In physics and chemistry, a selection rule, or transition rule, formally constrains the possible transitions of a system from one quantum state to another. Selection rules have been derived for electromagnetic transitions in molecules, in atoms, in atomic nuclei, and so on. The selection rules may differ according to t... | Selection rule | [
"Physics",
"Chemistry"
] | 2,072 | [
"Nuclear magnetic resonance",
"Spectrum (physical sciences)",
"Molecular physics",
"Instrumental analysis",
"Theoretical physics",
"Quantum mechanics",
"Nuclear physics",
"Spectroscopy"
] |
1,314,419 | https://en.wikipedia.org/wiki/Active%20vibration%20control | Active vibration control is the active application of force in an equal and opposite fashion to the forces imposed by external vibration. With this application, a precision industrial process can be maintained on a platform essentially vibration-free.
Many precision industrial processes cannot take place if the machi... | Active vibration control | [
"Physics",
"Engineering"
] | 488 | [
"Structural engineering",
"Civil engineering",
"Mechanics",
"Mechanical vibrations",
"Earthquake engineering"
] |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.