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 |
|---|---|---|---|---|---|---|
22,307,998 | https://en.wikipedia.org/wiki/LTR%20retrotransposon | LTR retrotransposons are class I transposable elements (TEs) characterized by the presence of long terminal repeats (LTRs) directly flanking an internal coding region. As retrotransposons, they mobilize through reverse transcription of their mRNA and integration of the newly created cDNA into another genomic location. ... | LTR retrotransposon | [
"Biology"
] | 1,804 | [
"Molecular genetics",
"Mobile genetic elements"
] |
4,764,018 | https://en.wikipedia.org/wiki/Electroless%20nickel-phosphorus%20plating | Electroless nickel-phosphorus plating, also referred to as E-nickel, is a chemical process that deposits an even layer of nickel-phosphorus alloy on the surface of a solid substrate, like metal or plastic. The process involves dipping the substrate in a water solution containing nickel salt and a phosphorus-containing ... | Electroless nickel-phosphorus plating | [
"Chemistry",
"Engineering"
] | 2,958 | [
"Metallurgical processes",
"Coatings",
"Electronic engineering",
"Electrical engineering",
"Metal plating",
"Printed circuit board manufacturing"
] |
4,765,320 | https://en.wikipedia.org/wiki/Guide%20RNA | Guide RNA (gRNA) or single guide RNA (sgRNA) is a short sequence of RNA that functions as a guide for the Cas9-endonuclease or other Cas-proteins that cut the double-stranded DNA and thereby can be used for gene editing. In bacteria and archaea, gRNAs are a part of the CRISPR-Cas system that serves as an adaptive immun... | Guide RNA | [
"Engineering",
"Biology"
] | 2,747 | [
"Genetics techniques",
"Genetic engineering",
"Genome editing"
] |
4,767,789 | https://en.wikipedia.org/wiki/Superconductor%E2%80%93insulator%20transition | The superconductor–insulator transition is an example of a quantum phase transition, whereupon tuning some parameter in the Hamiltonian, a dramatic change in the behavior of the electrons occurs. The nature of how this transition occurs is disputed, and many studies seek to understand how the order parameter, , changes... | Superconductor–insulator transition | [
"Physics",
"Chemistry",
"Materials_science",
"Engineering"
] | 824 | [
"Quantum phases",
"Matter",
"Physical quantities",
"Superconductivity",
"Phases of matter",
"Quantum mechanics",
"Materials science",
"Condensed matter physics",
"Electrical resistance and conductance"
] |
23,652,892 | https://en.wikipedia.org/wiki/Hitchin%20system | In mathematics, the Hitchin integrable system is an integrable system depending on the choice of a complex reductive group and a compact Riemann surface, introduced by Nigel Hitchin in 1987. It lies on the crossroads of algebraic geometry, the theory of Lie algebras and integrable system theory. It also plays an import... | Hitchin system | [
"Physics",
"Mathematics"
] | 933 | [
"Lie groups",
"Mathematical structures",
"Integrable systems",
"Theoretical physics",
"Classical mechanics",
"Hamiltonian mechanics",
"Fields of abstract algebra",
"Mechanics",
"Algebraic structures",
"Algebraic geometry",
"Dynamical systems"
] |
23,653,409 | https://en.wikipedia.org/wiki/C15H25NO3 | {{DISPLAYTITLE:C15H25NO3}}
The molecular formula C15H25NO3 (molar mass: 267.36 g/mol, exact mass: 267.183444) may refer to:
Butaxamine
Desacetylmetipranolol
EEE (psychedelic)
Metoprolol
Molecular formulas | C15H25NO3 | [
"Physics",
"Chemistry"
] | 73 | [
"Molecules",
"Set index articles on molecular formulas",
"Isomerism",
"Molecular formulas",
"Matter"
] |
23,653,447 | https://en.wikipedia.org/wiki/C17H20N2O | {{DISPLAYTITLE:C17H20N2O}}
The molecular formula C17H20N2O (molar mass: 268.35 g/mol, exact mass: 268.1576 u) may refer to:
Centralite, or ethyl centralite
Michler's ketone
Remacemide
Molecular formulas | C17H20N2O | [
"Physics",
"Chemistry"
] | 73 | [
"Molecules",
"Set index articles on molecular formulas",
"Isomerism",
"Molecular formulas",
"Matter"
] |
23,655,028 | https://en.wikipedia.org/wiki/Uzbekistan%20GTL | Uzbekistan GTL (Oltin Yo'l GTL) is a gas-to-liquids (GTL) plant in the Qashqadaryo Region, Uzbekistan.
History
Construction of a GTL plant in Uzbekistan was discussed between Uzbekneftegaz and Abu Dhabi's International Petroleum Investment Company in March 2008. However, in April 2009 Uzbekneftegaz signed a heads of ... | Uzbekistan GTL | [
"Chemistry"
] | 300 | [
"Natural gas technology",
"Natural gas plants"
] |
23,655,263 | https://en.wikipedia.org/wiki/Superintegrable%20Hamiltonian%20system | In mathematics, a superintegrable Hamiltonian system is a Hamiltonian system on a -dimensional symplectic manifold for which the following conditions hold:
(i) There exist independent integrals of motion. Their level surfaces (invariant submanifolds) form a fibered manifold over a connected open subset .
(ii) The... | Superintegrable Hamiltonian system | [
"Physics",
"Mathematics"
] | 623 | [
"Integrable systems",
"Theoretical physics",
"Classical mechanics",
"Hamiltonian mechanics",
"Mechanics",
"Dynamical systems"
] |
23,655,997 | https://en.wikipedia.org/wiki/Septocellula | Septocellula is an extinct genus of fly in the family Dolichopodidae. It contains only one species, Septocellula asiatica, described from Eocene amber found near Fushun, China.
The genus Septocellula was first described in 1981 by You-chong Hong, who assigned to it three species: Septocellula asiatica, Septocellula fe... | Septocellula | [
"Physics"
] | 154 | [
"Amorphous solids",
"Unsolved problems in physics",
"Amber"
] |
23,657,481 | https://en.wikipedia.org/wiki/List%20of%20black%20holes | This list of black holes (and stars considered probable candidates) is organized by mass (including black holes of undetermined mass); some items in this list are galaxies or star clusters that are believed to be organized around a black hole. Messier and New General Catalogue designations are given where possible.
Su... | List of black holes | [
"Physics",
"Astronomy"
] | 1,410 | [
"Black holes",
"Physical phenomena",
"Physical quantities",
"Unsolved problems in physics",
"Astrophysics",
"Density",
"Theory of relativity",
"Stellar phenomena",
"Astronomical objects"
] |
23,658,163 | https://en.wikipedia.org/wiki/Instream%20use | Instream use refers to water use taking place within a stream channel. Examples are hydroelectric power generation, navigation, fish propagation and use, and recreational activities. Some instream uses, usually associated with fish populations and navigation, require a minimum amount of water to be viable.
The term ... | Instream use | [
"Chemistry",
"Engineering",
"Environmental_science"
] | 87 | [
"Hydrology",
"Environmental engineering"
] |
23,658,272 | https://en.wikipedia.org/wiki/Flight%20control%20modes | A flight control mode or flight control law is a computer software algorithm that transforms the movement of the yoke or joystick, made by an aircraft pilot, into movements of the aircraft control surfaces. The control surface movements depend on which of several modes the flight computer is in. In aircraft in which th... | Flight control modes | [
"Technology",
"Engineering"
] | 2,331 | [
"Systems engineering",
"Technology systems",
"Measuring instruments",
"Aircraft instruments",
"nan",
"Aerospace engineering"
] |
23,659,948 | https://en.wikipedia.org/wiki/Damping%20torque | Damping torque is provided by indicating instrument. Damper is a generic term used to identify any mechanism used for vibration energy absorption, the shaft vibration suppression, soft start and overload protection device. In order to design an efficient damper, it is imperative that the damping torque is calculated fi... | Damping torque | [
"Physics",
"Engineering"
] | 1,475 | [
"Structural engineering",
"Mechanics",
"Classical mechanics",
"Mechanical vibrations"
] |
8,210,422 | https://en.wikipedia.org/wiki/Stereo%20cameras | The stereo cameras approach is a method of distilling a noisy video signal into a coherent data set that a computer can begin to process into actionable symbolic objects, or abstractions. Stereo cameras is one of many approaches used in the broader fields of computer vision and machine vision.
Calculation
In this appr... | Stereo cameras | [
"Mathematics",
"Engineering"
] | 448 | [
"Robotics engineering",
"Packaging machinery",
"Robot control",
"Geometry",
"Artificial intelligence engineering",
"Geometry in computer vision",
"Computer vision"
] |
8,211,999 | https://en.wikipedia.org/wiki/Eilenberg%E2%80%93Ganea%20conjecture | The Eilenberg–Ganea conjecture is a claim in algebraic topology. It was formulated by Samuel Eilenberg and Tudor Ganea in 1957, in a short, but influential paper. It states that if a group G has cohomological dimension 2, then it has a 2-dimensional Eilenberg–MacLane space . For n different from 2, a group G of coho... | Eilenberg–Ganea conjecture | [
"Mathematics"
] | 201 | [
"Unsolved problems in mathematics",
"Theorems in topology",
"Topology stubs",
"Conjectures",
"Topology",
"Mathematical problems",
"Theorems in algebraic topology"
] |
8,212,459 | https://en.wikipedia.org/wiki/Muramyl%20dipeptide | Muramyl dipeptide is a component of bacterial peptidoglycan, a recognition structure or activator for nucleotide-binding oligomerization domain 2 (NOD2) protein. It is a constituent of both Gram-positive and Gram-negative bacteria composed of N-acetylmuramic acid linked by its lactic acid moiety to the N-terminus of an... | Muramyl dipeptide | [
"Chemistry"
] | 303 | [
"Biomolecules by chemical classification",
"Carbohydrates",
"Amino sugars",
"Molecular biology",
"Peptides"
] |
8,213,823 | https://en.wikipedia.org/wiki/Trabectedin | Trabectedin, sold under the brand name Yondelis, is an antitumor chemotherapy medication for the treatment of advanced soft-tissue sarcoma and ovarian cancer.
The most common adverse reactions include nausea, fatigue, vomiting, constipation, decreased appetite, diarrhea, peripheral edema, dyspnea, and headache.
It is... | Trabectedin | [
"Chemistry"
] | 1,934 | [
"Total synthesis",
"Alkaloids by chemical classification",
"Phenethylamine alkaloids",
"Chemical synthesis"
] |
8,218,773 | https://en.wikipedia.org/wiki/Brinkman%20number | The Brinkman number (Br) is a dimensionless number related to heat conduction from a wall to a flowing viscous fluid, commonly used in polymer processing. It is named after the Dutch mathematician and physicist Henri Brinkman. There are several definitions; one is
where
μ is the dynamic viscosity;
u is the flow vel... | Brinkman number | [
"Physics",
"Chemistry",
"Materials_science",
"Engineering"
] | 280 | [
"Thermodynamic properties",
"Physical quantities",
"Dimensionless numbers of thermodynamics",
"Continuum mechanics",
"Classical mechanics",
"Materials science",
"Polymer chemistry"
] |
18,591,429 | https://en.wikipedia.org/wiki/Thermo-mechanical%20fatigue | Thermo-mechanical fatigue (short TMF) is the overlay of a cyclical mechanical loading, that leads to fatigue of a material, with a cyclical thermal loading. Thermo-mechanical fatigue is an important point that needs to be considered, when constructing turbine engines or gas turbines.
Failure mechanisms
There are three... | Thermo-mechanical fatigue | [
"Physics",
"Materials_science",
"Engineering"
] | 1,162 | [
"Structural engineering",
"Applied and interdisciplinary physics",
"Fracture mechanics",
"Materials science",
"Mechanical engineering",
"Materials degradation"
] |
18,593,401 | https://en.wikipedia.org/wiki/Estimation%20of%20signal%20parameters%20via%20rotational%20invariance%20techniques | Estimation of signal parameters via rotational invariant techniques (ESPRIT), is a technique to determine the parameters of a mixture of sinusoids in background noise. This technique was first proposed for frequency estimation. However, with the introduction of phased-array systems in everyday technology, it is also us... | Estimation of signal parameters via rotational invariance techniques | [
"Physics"
] | 1,098 | [
"Wave mechanics",
"Waves",
"Physical phenomena",
"Classical mechanics"
] |
18,595,173 | https://en.wikipedia.org/wiki/Mohamed%20Gad-el-Hak | Mohamed Gad-el-Hak (born 1945) is an engineering scientist. He is currently the Inez Caudill Eminent Professor of biomedical engineering and professor of mechanical and nuclear engineering at Virginia Commonwealth University.
Biography
Gad-el-Hak was born on 11 February 1945 in Tanta, Egypt.
Gad-el-Hak was senior re... | Mohamed Gad-el-Hak | [
"Chemistry",
"Engineering"
] | 1,232 | [
"Aerospace engineering",
"Fluid dynamicists",
"Aerospace engineers",
"Fluid dynamics"
] |
1,250,206 | https://en.wikipedia.org/wiki/Intermetallic | An intermetallic (also called intermetallic compound, intermetallic alloy, ordered intermetallic alloy, long-range-ordered alloy) is a type of metallic alloy that forms an ordered solid-state compound between two or more metallic elements. Intermetallics are generally hard and brittle, with good high-temperature mechan... | Intermetallic | [
"Physics",
"Chemistry",
"Materials_science"
] | 1,154 | [
"Inorganic compounds",
"Metallurgy",
"Intermetallics",
"Condensed matter physics",
"Alloys"
] |
1,250,498 | https://en.wikipedia.org/wiki/Joachim%20Lambek | Joachim "Jim" Lambek (5 December 1922 – 23 June 2014) was a Canadian mathematician. He was Peter Redpath Emeritus Professor of Pure Mathematics at McGill University, where he earned his PhD degree in 1950 with Hans Zassenhaus as advisor.
Biography
Lambek was born in Leipzig, Germany, where he attended a Gymnasium. H... | Joachim Lambek | [
"Mathematics"
] | 716 | [
"Mathematical structures",
"Algebraists",
"Category theory",
"Category theorists",
"Algebra"
] |
1,250,552 | https://en.wikipedia.org/wiki/Paper%20chromatography | Paper chromatography is an analytical method used to separate colored chemicals or substances. It can also be used for colorless chemicals that can be located by a stain or other visualisation method after separation. It is now primarily used as a teaching tool, having been replaced in the laboratory by other chromatog... | Paper chromatography | [
"Chemistry"
] | 1,223 | [
"Chromatography",
"Separation processes"
] |
1,250,632 | https://en.wikipedia.org/wiki/Calculus%20of%20structures | In mathematical logic, the calculus of structures is a proof calculus with deep inference for studying the structural proof theory of noncommutative logic. The calculus has since been applied to study linear logic, classical logic, modal logic, and process calculi, and many benefits are claimed to follow in these inves... | Calculus of structures | [
"Mathematics"
] | 163 | [
"Mathematical logic",
"Logical calculi"
] |
1,250,664 | https://en.wikipedia.org/wiki/Deep%20inference | In mathematical logic, deep inference names a general idea in structural proof theory that breaks with the classical sequent calculus by generalising the notion of structure to permit inference to occur in contexts of high structural complexity. The term deep inference is generally reserved for proof calculi where the... | Deep inference | [
"Mathematics"
] | 302 | [
"Mathematical logic",
"Proof theory"
] |
1,250,665 | https://en.wikipedia.org/wiki/Proof%20calculus | In mathematical logic, a proof calculus or a proof system is built to prove statements.
Overview
A proof system includes the components:
Formal language: The set L of formulas admitted by the system, for example, propositional logic or first-order logic.
Rules of inference: List of rules that can be employed to pro... | Proof calculus | [
"Mathematics"
] | 609 | [
"Mathematical logic",
"Logical calculi",
"Proof theory"
] |
1,250,779 | https://en.wikipedia.org/wiki/Glycation | Glycation (non-enzymatic glycosylation) is the covalent attachment of a sugar to a protein, lipid or nucleic acid molecule. Typical sugars that participate in glycation are glucose, fructose, and their derivatives. Glycation is the non-enzymatic process responsible for many (e.g. micro and macrovascular) complications... | Glycation | [
"Chemistry",
"Biology"
] | 715 | [
"Biomolecules by chemical classification",
"Carbohydrates",
"Gene expression",
"Protein metabolism",
"Biochemical reactions",
"Organic compounds",
"Senescence",
"Post-translational modification",
"Carbohydrate chemistry",
"Ageing processes",
"Metabolism"
] |
1,251,318 | https://en.wikipedia.org/wiki/Plasma%20window | The plasma window (not to be confused with a plasma shield) is a technology that fills a volume of space with plasma confined by a magnetic field. With current technology, this volume is quite small and the plasma is generated as a flat plane inside a cylindrical space.
Plasma is any gas whose atoms or molecules have ... | Plasma window | [
"Physics"
] | 1,018 | [
"Plasma technology and applications",
"Plasma physics"
] |
1,251,702 | https://en.wikipedia.org/wiki/Suspension%20%28topology%29 | In topology, a branch of mathematics, the suspension of a topological space X is intuitively obtained by stretching X into a cylinder and then collapsing both end faces to points. One views X as "suspended" between these end points. The suspension of X is denoted by SX or susp(X).
There is a variation of the suspensi... | Suspension (topology) | [
"Physics",
"Mathematics"
] | 929 | [
"Spacetime",
"Topology",
"Space",
"Geometry"
] |
1,251,777 | https://en.wikipedia.org/wiki/Thermal%20desorption%20spectroscopy | Temperature programmed desorption (TPD) is the method of observing desorbed molecules from a surface when the surface temperature is increased. When experiments are performed using well-defined surfaces of single-crystalline samples in a continuously pumped ultra-high vacuum (UHV) chamber, then this experimental techni... | Thermal desorption spectroscopy | [
"Physics",
"Chemistry",
"Materials_science"
] | 1,401 | [
"Spectrum (physical sciences)",
"Instrumental analysis",
"Mass",
"Surface science",
"Mass spectrometry",
"Condensed matter physics",
"nan",
"Matter"
] |
1,252,256 | https://en.wikipedia.org/wiki/Inelastic%20scattering | In chemistry, nuclear physics, and particle physics, inelastic scattering is a process in which the internal states of a particle or a system of particles change after a collision. Often, this means the kinetic energy of the incident particle is not conserved (in contrast to elastic scattering). Additionally, relativis... | Inelastic scattering | [
"Physics",
"Chemistry"
] | 772 | [
"Chemical reaction engineering",
" absorption and radiative transfer (optics)",
"Scattering",
"Particle physics",
"Chemical kinetics"
] |
1,252,913 | https://en.wikipedia.org/wiki/Thermionic%20converter | A thermionic converter consists of a hot electrode which thermionically emits electrons over a potential energy barrier to a cooler electrode, producing a useful electric power output. Caesium vapor is used to optimize the electrode work functions and provide an ion supply (by surface ionization or electron impact ioni... | Thermionic converter | [
"Physics",
"Technology",
"Engineering"
] | 1,254 | [
"Electrical generators",
"Machines",
"Physical quantities",
"Nuclear technology",
"Physical systems",
"Power (physics)",
"Electric power",
"Nuclear physics",
"Electrical engineering"
] |
1,252,991 | https://en.wikipedia.org/wiki/Orbital%20hybridisation | In chemistry, orbital hybridisation (or hybridization) is the concept of mixing atomic orbitals to form new hybrid orbitals (with different energies, shapes, etc., than the component atomic orbitals) suitable for the pairing of electrons to form chemical bonds in valence bond theory. For example, in a carbon atom which... | Orbital hybridisation | [
"Physics",
"Chemistry",
"Materials_science"
] | 3,303 | [
"Quantum chemistry",
"Molecular geometry",
"Molecules",
"Stereochemistry",
"Quantum mechanics",
"Theoretical chemistry",
"Space",
"Condensed matter physics",
" molecular",
"nan",
"Atomic",
"Spacetime",
"Chemical bonding",
"Matter",
" and optical physics"
] |
1,253,305 | https://en.wikipedia.org/wiki/Wheeler%E2%80%93DeWitt%20equation | The Wheeler–DeWitt equation for theoretical physics and applied mathematics, is a field equation attributed to John Archibald Wheeler and Bryce DeWitt. The equation attempts to mathematically combine the ideas of quantum mechanics and general relativity, a step towards a theory of quantum gravity.
In this approach, ti... | Wheeler–DeWitt equation | [
"Physics"
] | 1,166 | [
"Equations of physics",
"Unsolved problems in physics",
"Eponymous equations of physics",
"Quantum gravity",
"Physics beyond the Standard Model"
] |
19,651,210 | https://en.wikipedia.org/wiki/Ontological%20maximalism | In philosophy, ontological maximalism (or metaontological maximalism) is a ontological realist position that asserts, "whatever can exist does in some sense exist".
Overview
Meta-ontology deals with question related to ontology, whether there are mind independent (objective) answers to "what exists". Ontological real... | Ontological maximalism | [
"Mathematics"
] | 188 | [
"Mathematical logic",
"Set theory"
] |
19,660,216 | https://en.wikipedia.org/wiki/Meyer%20hardness%20test | The Meyer hardness test is a hardness test based upon projected area of an impression. The hardness, , is defined as the maximum load, divided by the projected area of the indent, .
This is a more fundamental measurement of hardness than other hardness tests which are based on the surface area of an indentation. The ... | Meyer hardness test | [
"Materials_science",
"Engineering"
] | 303 | [
"Hardness tests",
"Materials testing",
"Mechanical engineering stubs",
"Mechanical engineering"
] |
19,662,199 | https://en.wikipedia.org/wiki/Convection%E2%80%93diffusion%20equation | The convection–diffusion equation is a parabolic partial differential equation that combines the diffusion and convection (advection) equations. It describes physical phenomena where particles, energy, or other physical quantities are transferred inside a physical system due to two processes: diffusion and convection. ... | Convection–diffusion equation | [
"Physics",
"Chemistry",
"Mathematics",
"Engineering"
] | 2,037 | [
"Transport phenomena",
"Physical phenomena",
"Diffusion",
"Equations of physics",
"Functions of space and time",
"Chemical engineering",
"Mathematical objects",
"Equations",
"Spacetime"
] |
10,600,606 | https://en.wikipedia.org/wiki/Fritz%20Sauter | Fritz Eduard Josef Maria Sauter (; 9 June 1906 – 24 May 1983) was an Austrian-German physicist who worked mostly in quantum electrodynamics and solid-state physics.
Education
From 1924 to 1928, Sauter studied mathematics and physics at the Leopold-Franzens-Universität Innsbruck. He received his doctorate in 1928 und... | Fritz Sauter | [
"Physics"
] | 1,431 | [
"Theoretical physics",
"Theoretical physicists"
] |
10,601,618 | https://en.wikipedia.org/wiki/Protomer | In structural biology, a protomer is the structural unit of an oligomeric protein. It is the smallest unit composed of at least one protein chain. The protomers associate to form a larger oligomer of two or more copies of this unit. Protomers usually arrange in cyclic symmetry to form closed point group symmetries.
Th... | Protomer | [
"Chemistry",
"Materials_science",
"Engineering",
"Biology"
] | 502 | [
"Biochemistry",
"Structural biology",
"Materials science",
"Polymer chemistry"
] |
10,601,794 | https://en.wikipedia.org/wiki/Carbon%E2%80%93fluorine%20bond | The carbon–fluorine bond is a polar covalent bond between carbon and fluorine that is a component of all organofluorine compounds. It is one of the strongest single bonds in chemistry (after the B–F single bond, Si–F single bond, and H–F single bond), and relatively short, due to its partial ionic character. The bond a... | Carbon–fluorine bond | [
"Physics",
"Chemistry",
"Materials_science"
] | 2,163 | [
"Chemical bonding",
"Condensed matter physics",
"nan"
] |
10,603,568 | https://en.wikipedia.org/wiki/Unitarity%20%28physics%29 | In quantum physics, unitarity is (or a unitary process has) the condition that the time evolution of a quantum state according to the Schrödinger equation is mathematically represented by a unitary operator. This is typically taken as an axiom or basic postulate of quantum mechanics, while generalizations of or departu... | Unitarity (physics) | [
"Physics"
] | 1,091 | [
"Theoretical physics",
"Quantum mechanics"
] |
10,604,051 | https://en.wikipedia.org/wiki/Jane%20Cain | Ethel Jane Cain (1 May 1909 – 19 September 1996) was a British telephonist and actress, and the original voice of the speaking clock in the United Kingdom.
Working at London's Victoria Exchange, she was appointed on 21 June 1935 following a competition among GPO telephonists; there were nine finalists in total and the... | Jane Cain | [
"Physics",
"Technology",
"Engineering"
] | 434 | [
"Physical systems",
"Machines",
"Clocks",
"Measuring instruments"
] |
10,606,531 | https://en.wikipedia.org/wiki/Flow%20tracer | A flow tracer is any fluid property used to track the flow velocity (i.e., flow magnitude and direction) and circulation patterns. Tracers can be chemical properties, such as radioactive material, or chemical compounds, physical properties, such as density, temperature, salinity, or dyes, and can be natural or artific... | Flow tracer | [
"Physics",
"Chemistry",
"Technology",
"Engineering",
"Environmental_science"
] | 654 | [
"Data collection",
"Hydrology",
"Applied and interdisciplinary physics",
"Oceanography",
"Chemical engineering",
"Data",
"Piping",
"Fluid dynamics"
] |
10,607,261 | https://en.wikipedia.org/wiki/Folding%20%28chemistry%29 | In chemistry, folding is the process by which a molecule assumes its shape or conformation. The process can also be described as intramolecular self-assembly, a type of molecular self-assembly, where the molecule is directed to form a specific shape through noncovalent interactions, such as hydrogen bonding, metal coo... | Folding (chemistry) | [
"Physics",
"Chemistry",
"Materials_science",
"Mathematics"
] | 261 | [
"Self-organization",
"Stereochemistry",
"Space",
"Stereochemistry stubs",
"nan",
"Dynamical systems",
"Spacetime",
"Nanotechnology",
"Supramolecular chemistry"
] |
10,610,469 | https://en.wikipedia.org/wiki/Theory%20of%20tides | The theory of tides is the application of continuum mechanics to interpret and predict the tidal deformations of planetary and satellite bodies and their atmospheres and oceans (especially Earth's oceans) under the gravitational loading of another astronomical body or bodies (especially the Moon and Sun).
History
Aus... | Theory of tides | [
"Physics",
"Chemistry",
"Astronomy",
"Engineering",
"Environmental_science"
] | 3,340 | [
"Hydrology",
"Applied and interdisciplinary physics",
"Continuum mechanics",
"Oceanography",
"Chemical engineering",
"Classical mechanics",
"Civil engineering",
"Geophysics",
"Piping",
"Planetary science",
"Fluid mechanics",
"Astronomical sub-disciplines",
"Fluid dynamics"
] |
10,611,092 | https://en.wikipedia.org/wiki/Nonextensive%20entropy | Entropy is considered to be an extensive property, i.e., that its value depends on the amount of material present. Constantino Tsallis has proposed a nonextensive entropy (Tsallis entropy), which is a generalization of the traditional Boltzmann–Gibbs entropy.
The rationale behind the theory is that Gibbs-Boltzmann ent... | Nonextensive entropy | [
"Physics",
"Materials_science",
"Mathematics",
"Technology",
"Engineering"
] | 146 | [
"Statistical mechanics stubs",
"Materials science stubs",
"Telecommunications engineering",
"Physical quantities",
"Applied mathematics",
"Statistical mechanics",
"Thermodynamic entropy",
"Entropy and information",
"Computer science",
"Entropy",
"Information theory",
"Condensed matter physics"... |
23,822,972 | https://en.wikipedia.org/wiki/Pocket%20filter | Pocket filters are filters used in HVAC applications to remove dust from ambient air. They are commonly used as final filters in commercial applications or as prefilters for HEPA filters in hospitals in the Pharmaceutical Industry.
Pocket filters were historically produced from glass fiber media, however in recent a y... | Pocket filter | [
"Chemistry",
"Engineering"
] | 297 | [
"Chemical equipment",
"Filtration",
"Filters"
] |
23,822,989 | https://en.wikipedia.org/wiki/General%20Dirichlet%20series | In the field of mathematical analysis, a general Dirichlet series is an infinite series that takes the form of
where , are complex numbers and is a strictly increasing sequence of nonnegative real numbers that tends to infinity.
A simple observation shows that an 'ordinary' Dirichlet series
is obtained by su... | General Dirichlet series | [
"Mathematics"
] | 1,179 | [
"Sequences and series",
"Mathematical structures",
"Series (mathematics)",
"Calculus"
] |
23,823,849 | https://en.wikipedia.org/wiki/Catalan%20Institute%20of%20Nanotechnology | The Catalan Institute of Nanotechnology (ICN) (NanoCAT or Institut Català de Nanotecnologia) was established in 2003 by the Catalan government and the Autonomous University of Barcelona (UAB). with the aim of attracting skilled international researchers to create a hub for nanoscience and nanotechnology research. In 20... | Catalan Institute of Nanotechnology | [
"Materials_science"
] | 321 | [
"Nanotechnology",
"Nanotechnology institutions"
] |
23,824,085 | https://en.wikipedia.org/wiki/Spinon | Spinons are one of three quasiparticles, along with holons and orbitons, that electrons in solids are able to split into during the process of spin–charge separation, when extremely tightly confined at temperatures close to absolute zero. The electron can always be theoretically considered as a bound state of the three... | Spinon | [
"Physics",
"Materials_science"
] | 393 | [
"Matter",
"Particle physics",
"Particle physics stubs",
"Condensed matter physics",
"Quasiparticles",
"Subatomic particles"
] |
23,824,086 | https://en.wikipedia.org/wiki/Holon%20%28physics%29 | Holons are one of three quasi-particles, along with spinons and orbitons, that electrons in solids are able to split into during the process of spin–charge separation, when extremely tightly confined at temperatures close to absolute zero. The electron can always be theoretically considered as a bound state of the thre... | Holon (physics) | [
"Physics",
"Materials_science"
] | 226 | [
"Matter",
"Quasiparticles",
"Particle physics",
"Condensed matter physics",
"Particle physics stubs",
"Subatomic particles"
] |
23,825,035 | https://en.wikipedia.org/wiki/Non-squeezing%20theorem | The non-squeezing theorem, also called Gromov's non-squeezing theorem, is one of the most important theorems in symplectic geometry. It was first proven in 1985 by Mikhail Gromov.
The theorem states that one cannot embed a ball into a cylinder via a symplectic map unless the radius of the ball is less than or equal t... | Non-squeezing theorem | [
"Mathematics"
] | 650 | [
"Mathematical theorems",
"Mathematical problems",
"Geometry",
"Theorems in geometry"
] |
23,826,709 | https://en.wikipedia.org/wiki/Lombard%20Steam%20Log%20Hauler | The Lombard Steam Log Hauler, patented 21 May 1901, was the first successful commercial application of a continuous track for vehicle propulsion. The concept was later used for military tanks during World War I and for agricultural tractors and construction equipment following the war.
Description
Alvin Orlando Lombar... | Lombard Steam Log Hauler | [
"Engineering"
] | 1,001 | [
"Vehicle technology",
"Engineering vehicles",
"Tractors",
"Mechanical engineering by discipline"
] |
260,836 | https://en.wikipedia.org/wiki/Twistor%20theory | In theoretical physics, twistor theory was proposed by Roger Penrose in 1967 as a possible path to quantum gravity and has evolved into a widely studied branch of theoretical and mathematical physics. Penrose's idea was that twistor space should be the basic arena for physics from which space-time itself should emerge.... | Twistor theory | [
"Physics"
] | 2,785 | [
"Quantum field theory",
"Theoretical physics",
"Quantum mechanics",
"Theories of gravity"
] |
260,914 | https://en.wikipedia.org/wiki/Orders%20of%20magnitude%20%28numbers%29 | This list contains selected positive numbers in increasing order, including counts of things, dimensionless quantities and probabilities. Each number is given a name in the short scale, which is used in English-speaking countries, as well as a name in the long scale, which is used in some of the countries that do not h... | Orders of magnitude (numbers) | [
"Mathematics"
] | 13,006 | [
"Quantity",
"Orders of magnitude",
"Units of measurement"
] |
261,151 | https://en.wikipedia.org/wiki/XML%20pipeline | In software, an XML pipeline is formed when XML (Extensible Markup Language) processes, especially XML transformations and XML validations, are connected.
For instance, given two transformations T1 and T2, the two can be connected so that an input XML document is transformed by T1 and then the output of T1 is fed as i... | XML pipeline | [
"Technology"
] | 1,629 | [
"Computer standards",
"XML-based standards"
] |
261,362 | https://en.wikipedia.org/wiki/ITER | ITER (initially the International Thermonuclear Experimental Reactor, iter meaning "the way" or "the path" in Latin) is an international nuclear fusion research and engineering megaproject aimed at creating energy through a fusion process similar to that of the Sun. It is being built next to the Cadarache facility in s... | ITER | [
"Chemistry"
] | 12,200 | [
"Particle traps",
"Magnetic confinement fusion devices"
] |
261,366 | https://en.wikipedia.org/wiki/Dimerization | In chemistry, dimerization is the process of joining two identical or similar molecular entities by bonds. The resulting bonds can be either strong or weak. Many symmetrical chemical species are described as dimers, even when the monomer is unknown or highly unstable.
The term homodimer is used when the two subunits ... | Dimerization | [
"Physics",
"Chemistry",
"Materials_science"
] | 1,253 | [
"Chemical compounds",
"Molecules",
"Dimers (chemistry)",
"Polymer chemistry",
"Matter"
] |
261,407 | https://en.wikipedia.org/wiki/Plasma%20cosmology | Plasma cosmology is a non-standard cosmology whose central postulate is that the dynamics of ionized gases and plasmas play important, if not dominant, roles in the physics of the universe at interstellar and intergalactic scales. In contrast, the current observations and models of cosmologists and astrophysicists exp... | Plasma cosmology | [
"Physics",
"Astronomy"
] | 2,841 | [
"Space plasmas",
"Astronomical sub-disciplines",
"Theoretical physics",
"Astrophysics",
"Physical cosmology"
] |
262,135 | https://en.wikipedia.org/wiki/Rocket%20engine | A rocket engine is a reaction engine, producing thrust in accordance with Newton's third law by ejecting reaction mass rearward, usually a high-speed jet of high-temperature gas produced by the combustion of rocket propellants stored inside the rocket. However, non-combusting forms such as cold gas thrusters and nuclea... | Rocket engine | [
"Technology"
] | 12,859 | [
"Rocket engines",
"Engines"
] |
262,252 | https://en.wikipedia.org/wiki/Pyrolysis | Pyrolysis is the process of thermal decomposition of materials at elevated temperatures, often in an inert atmosphere without access to oxygen.
Etymology
The word pyrolysis is coined from the Greek-derived elements pyro- (from Ancient Greek πῦρ : pûr - "fire, heat, fever") and lysis (λύσις : lúsis - "separation, loo... | Pyrolysis | [
"Chemistry",
"Engineering"
] | 6,996 | [
"Water treatment",
"Biodegradable waste management",
"Pyrolysis",
"Petroleum technology",
"Oil shale technology",
"Building engineering",
"Fire protection",
"Organic reactions",
"Biodegradation",
"Chemical processes",
"Synthetic fuel technologies",
"Environmental engineering",
"Chemical proc... |
262,259 | https://en.wikipedia.org/wiki/IEEE%20802.6 | IEEE 802.6 is a standard governed by the ANSI for Metropolitan Area Networks (MAN). It is an improvement of an older standard (also created by ANSI) which used the Fiber distributed data interface (FDDI) network structure. The FDDI-based standard failed due to its expensive implementation and lack of compatibility with... | IEEE 802.6 | [
"Technology",
"Engineering"
] | 221 | [
"Computer network stubs",
"Computer standards",
"Computer networks engineering",
"Networking standards",
"Computing stubs"
] |
262,861 | https://en.wikipedia.org/wiki/Zeroth%20law%20of%20thermodynamics | The zeroth law of thermodynamics is one of the four principal laws of thermodynamics. It provides an independent definition of temperature without reference to entropy, which is defined in the second law. The law was established by Ralph H. Fowler in the 1930s, long after the first, second, and third laws had been wide... | Zeroth law of thermodynamics | [
"Physics",
"Chemistry"
] | 2,529 | [
"Thermodynamics",
"Laws of thermodynamics"
] |
262,927 | https://en.wikipedia.org/wiki/Groundwater | Groundwater is the water present beneath Earth's surface in rock and soil pore spaces and in the fractures of rock formations. About 30 percent of all readily available fresh water in the world is groundwater. A unit of rock or an unconsolidated deposit is called an aquifer when it can yield a usable quantity of water.... | Groundwater | [
"Physics",
"Chemistry",
"Engineering",
"Environmental_science"
] | 6,009 | [
"Hydrology",
"Applied and interdisciplinary physics",
"Soil mechanics",
"Physical systems",
"Hydraulics",
"Civil engineering",
"Aquifers",
"Environmental engineering",
"Water",
"Hydraulic engineering"
] |
1,866,778 | https://en.wikipedia.org/wiki/Nonlinear%20filter | In signal processing, a nonlinear filter is a filter whose output is not a linear function of its input. That is, if the filter outputs signals and for two input signals and separately, but does not always output when the input is a linear combination .
Both continuous-domain and discrete-domain filters may be n... | Nonlinear filter | [
"Engineering"
] | 1,811 | [
"Telecommunications engineering",
"Filter theory"
] |
1,866,872 | https://en.wikipedia.org/wiki/Canonical%20ring | In mathematics, the pluricanonical ring of an algebraic variety V (which is nonsingular), or of a complex manifold, is the graded ring
of sections of powers of the canonical bundle K. Its nth graded component (for ) is:
that is, the space of sections of the n-th tensor product Kn of the canonical bundle K.
The 0th ... | Canonical ring | [
"Mathematics"
] | 402 | [
"Fields of abstract algebra",
"Algebraic geometry"
] |
1,867,005 | https://en.wikipedia.org/wiki/Joule%20expansion | The Joule expansion (a subset of free expansion) is an irreversible process in thermodynamics in which a volume of gas is kept in one side of a thermally isolated container (via a small partition), with the other side of the container being evacuated. The partition between the two parts of the container is then opened,... | Joule expansion | [
"Physics",
"Chemistry",
"Mathematics"
] | 2,258 | [
"Thermodynamics",
"Dynamical systems"
] |
1,867,116 | https://en.wikipedia.org/wiki/Quantum%20sort | A quantum sort is any sorting algorithm that runs on a quantum computer. Any comparison-based quantum sorting algorithm would take at least steps, which is already achievable by classical algorithms. Thus, for this task, quantum computers are no better than classical ones, and should be disregarded when it comes to ti... | Quantum sort | [
"Physics",
"Mathematics"
] | 89 | [
"Order theory",
"Quantum mechanics",
"Quantum physics stubs",
"Sorting algorithms"
] |
1,867,619 | https://en.wikipedia.org/wiki/Organotin%20chemistry | Organotin chemistry is the scientific study of the synthesis and properties of organotin compounds or stannanes, which are organometallic compounds containing tin–carbon bonds. The first organotin compound was diethyltin diiodide (), discovered by Edward Frankland in 1849. The area grew rapidly in the 1900s, especially... | Organotin chemistry | [
"Chemistry"
] | 3,002 | [
"Endocrine disruptors"
] |
1,868,229 | https://en.wikipedia.org/wiki/Thomas%20precession | In physics, the Thomas precession, named after Llewellyn Thomas, is a relativistic correction that applies to the spin of an elementary particle or the rotation of a macroscopic gyroscope and relates the angular velocity of the spin of a particle following a curvilinear orbit to the angular velocity of the orbital moti... | Thomas precession | [
"Physics",
"Chemistry"
] | 3,000 | [
"Physical quantities",
"Quantum mechanics",
"Precession",
"Special relativity",
"Atomic physics",
" molecular",
"Theory of relativity",
"Atomic",
"Wikipedia categories named after physical quantities",
" and optical physics"
] |
1,868,531 | https://en.wikipedia.org/wiki/Molecularity | In chemistry, molecularity is the number of molecules that come together to react in an elementary (single-step) reaction and is equal to the sum of stoichiometric coefficients of reactants in the elementary reaction with effective collision (sufficient energy) and correct orientation.
Depending on how many molecules c... | Molecularity | [
"Chemistry"
] | 1,092 | [
"Chemical kinetics",
"Chemical reaction engineering"
] |
1,868,978 | https://en.wikipedia.org/wiki/SLOSS%20debate | The SLOSS debate was a debate in ecology and conservation biology during the 1970's and 1980's as to whether a single large or several small (SLOSS) reserves were a superior means of conserving biodiversity in a fragmented habitat. Since its inception, multiple alternate theories have been proposed. There have been app... | SLOSS debate | [
"Biology"
] | 1,280 | [
"Ecology"
] |
1,869,011 | https://en.wikipedia.org/wiki/Chlorine%20fluoride | A chlorine fluoride is an interhalogen compound containing only chlorine and fluorine.
External links
National Pollutant Inventory - Fluoride compounds fact sheet
NIST Standard Reference Database
WebElements
Inorganic chlorine compounds
Fluorides
Interhalogen compounds | Chlorine fluoride | [
"Chemistry"
] | 59 | [
"Inorganic compounds",
"Interhalogen compounds",
"Oxidizing agents",
"Salts",
"Inorganic compound stubs",
"Inorganic chlorine compounds",
"Fluorides"
] |
1,869,136 | https://en.wikipedia.org/wiki/Volume-weighted%20average%20price | In finance, volume-weighted average price (VWAP) is the ratio of the value of a security or financial asset traded to the total volume of transactions during a trading session. It is a measure of the average trading price for the period.
Typically, the indicator is computed for one day, but it can be measured between ... | Volume-weighted average price | [
"Mathematics"
] | 571 | [
"Applied mathematics",
"Mathematical finance"
] |
1,869,214 | https://en.wikipedia.org/wiki/SEMI | SEMI is an industry association comprising companies involved in the electronics design and manufacturing supply chain. They provide equipment, materials and services for the manufacture of semiconductors, photovoltaic panels, LED and flat panel displays, micro-electromechanical systems (MEMS), printed and flexible ele... | SEMI | [
"Materials_science"
] | 1,811 | [
"Semiconductor device fabrication",
"Microtechnology"
] |
20,838,163 | https://en.wikipedia.org/wiki/Alberta%20Taciuk%20process | The Alberta Taciuk process (ATP; known also as the AOSTRA Taciuk process) is an above-ground dry thermal retorting technology for extracting oil from oil sands, oil shale and other organics-bearing materials, including oil contaminated soils, sludges and wastes. The technology is named after its inventor William Taciuk... | Alberta Taciuk process | [
"Chemistry",
"Engineering"
] | 941 | [
"Bituminous sands",
"Waste treatment technology",
"Water treatment",
"Petroleum technology",
"Oil shale technology",
"Synthetic fuel technologies",
"Environmental engineering",
"Asphalt"
] |
23,664,140 | https://en.wikipedia.org/wiki/Estrogen%20dominance | Estrogen dominance (ED) is a theory about a metabolic state where the level of estrogen outweighs the level of progesterone in the body. This is said to be caused by a decrease in progesterone without a subsequent decrease in estrogen.
The theory was proposed by John R. Lee and Virginia Hopkins in their 1996 book, Wha... | Estrogen dominance | [
"Biology"
] | 671 | [
"Behavior",
"Sexuality",
"Sex hormones"
] |
6,234,485 | https://en.wikipedia.org/wiki/Viral%20culture | Viral culture is a laboratory technique in which samples of a virus are placed to different cell lines which the virus being tested for its ability to infect. If the cells show changes, known as cytopathic effects, then the culture is positive.
Traditional viral culture has been generally superseded by shell vial cult... | Viral culture | [
"Biology"
] | 324 | [
"Virus stubs",
"Viruses"
] |
6,234,521 | https://en.wikipedia.org/wiki/Building%20performance | Building performance is an attribute of a building that expresses how well that building carries out its functions. It may also relate to the performance of the building construction process. Categories of building performance are quality (how well the building fulfills its functions), resource savings (how much of a p... | Building performance | [
"Engineering"
] | 639 | [
"Building engineering",
"Civil engineering",
"Architecture"
] |
6,238,120 | https://en.wikipedia.org/wiki/Phi%20value%20analysis | Phi value analysis, analysis, or -value analysis is an experimental protein engineering technique for studying the structure of the folding transition state of small protein domains that fold in a two-state manner. The structure of the folding transition state is hard to find using methods such as protein NMR or X-ray... | Phi value analysis | [
"Chemistry",
"Biology"
] | 1,283 | [
"Biochemistry methods",
"Protein methods",
"Protein biochemistry",
"Structural biology",
"Protein structure"
] |
6,239,416 | https://en.wikipedia.org/wiki/Frequency%20domain%20sensor | Frequency domain (FD) sensor is an instrument developed for measuring soil moisture content. The instrument has an oscillating circuit, the sensing part of the sensor is embedded in the soil, and the operating frequency will depend on the value of soil's dielectric constant.
Types of sensors
Capacitance probe, or f... | Frequency domain sensor | [
"Physics",
"Chemistry",
"Technology",
"Engineering",
"Environmental_science"
] | 608 | [
"Hydrology",
"Applied and interdisciplinary physics",
"Physical quantities",
"Soil mechanics",
"Soil physics",
"Measuring instruments",
"Impedance measurements",
"nan",
"Environmental engineering",
"Physical chemistry",
"Electrical resistance and conductance"
] |
22,313,894 | https://en.wikipedia.org/wiki/Molecular%20beam | A molecular beam is produced by allowing a gas at higher pressure to expand through a small orifice into a chamber at lower pressure to form a beam of particles (atoms, free radicals, molecules or ions) moving at approximately equal velocities, with very few collisions between the particles. Molecular beams are useful ... | Molecular beam | [
"Physics",
"Chemistry",
"Materials_science"
] | 673 | [
"Applied and interdisciplinary physics",
"Quantum electronics",
"Quantum mechanics",
"Condensed matter physics",
"nan",
"Nanotechnology",
"Chemical physics"
] |
22,315,224 | https://en.wikipedia.org/wiki/Electromethanogenesis | Electromethanogenesis is a form of electrofuel production where methane is produced by direct biological conversion of electrical current and carbon dioxide.
Methane producing technologies garnered interest from the scientific community prior to 2000, but electromethanogenesis did not become a significant area of inte... | Electromethanogenesis | [
"Chemistry",
"Engineering",
"Biology"
] | 888 | [
"Bioelectrochemistry",
"Chemical engineering",
"Electrochemical engineering",
"Biotechnology",
"Electrochemistry",
"Civil engineering",
"nan",
"Environmental engineering",
"Electrical engineering"
] |
2,595,419 | https://en.wikipedia.org/wiki/Aluminum%20building%20wiring | Aluminum building wiring is a type of electrical wiring for residential construction or houses that uses aluminum electrical conductors. Aluminum provides a better conductivity-to-weight ratio than copper, and therefore is also used for wiring power grids, including overhead power transmission lines and local power di... | Aluminum building wiring | [
"Physics",
"Engineering"
] | 3,843 | [
"Electrical systems",
"Building engineering",
"Physical systems",
"Electrical engineering",
"Electrical wiring"
] |
2,595,698 | https://en.wikipedia.org/wiki/L%C3%BCders%20band | Lüders bands are a type of plastic bands, slip band or stretcher-strain mark which are formed due to localized bands of plastic deformation in metals experiencing tensile stresses, common to low-carbon steels and certain Al-Mg alloys. First reported by Guillaume Piobert, and later by W. Lüders, the mechanism that stimu... | Lüders band | [
"Materials_science",
"Engineering"
] | 586 | [
"Materials degradation",
"Mechanical failure",
"Materials science",
"Mechanical engineering"
] |
2,595,792 | https://en.wikipedia.org/wiki/Portevin%E2%80%93Le%20Chatelier%20effect | The Portevin–Le Chatelier (PLC) effect describes a serrated stress–strain curve or jerky flow, which some materials exhibit as they undergo plastic deformation, specifically inhomogeneous deformation. This effect has been long associated with dynamic strain aging or the competition between diffusing solutes pinning dis... | Portevin–Le Chatelier effect | [
"Physics",
"Materials_science",
"Engineering"
] | 1,737 | [
"Applied and interdisciplinary physics",
"Materials science",
"nan"
] |
2,596,238 | https://en.wikipedia.org/wiki/Shock%20response%20spectrum | A Shock Response Spectrum (SRS) is a graphical representation of a shock, or any other transient acceleration input, in terms of how a Single Degree Of Freedom (SDOF) system (like a mass on a spring) would respond to that input. The horizontal axis shows the natural frequency of a hypothetical SDOF, and the vertical a... | Shock response spectrum | [
"Physics",
"Engineering"
] | 862 | [
"Structural engineering",
"Mechanics",
"Mechanical vibrations"
] |
2,597,750 | https://en.wikipedia.org/wiki/Detection%20limit | The limit of detection (LOD or LoD) is the lowest signal, or the lowest corresponding quantity to be determined (or extracted) from the signal, that can be observed with a sufficient degree of confidence or statistical significance. However, the exact threshold (level of decision) used to decide when a signal significa... | Detection limit | [
"Physics",
"Chemistry",
"Mathematics"
] | 1,879 | [
"Physical quantities",
"Quantity",
"Measurement",
"Size",
"nan"
] |
2,597,872 | https://en.wikipedia.org/wiki/Stamped%20concrete | Stamped concrete is concrete that has been imprinted, or that is patterned, textured, or embossed to resemble brick, slate, flagstone, stone, tile, wood, or various other patterns and textures. The practice of stamping concrete for various purposes began with the ancient Romans. In the nineteenth and twentieth centurie... | Stamped concrete | [
"Physics",
"Engineering"
] | 1,363 | [
"Structural engineering",
"Building engineering",
"Construction",
"Materials",
"Building materials",
"Concrete",
"Matter",
"Architecture"
] |
2,597,955 | https://en.wikipedia.org/wiki/Aircraft%20rescue%20and%20firefighting | Aircraft rescue and firefighting (ARFF) is a type of firefighting that involves the emergency response, mitigation, evacuation, and rescue of passengers and crew of aircraft involved in aviation accidents and incidents.
Airports with scheduled passenger flights are obliged to have firefighters and firefighting apparat... | Aircraft rescue and firefighting | [
"Engineering"
] | 874 | [
"Airport infrastructure",
"Aerospace engineering"
] |
2,597,983 | https://en.wikipedia.org/wiki/Boyer%E2%80%93Lindquist%20coordinates | In the mathematical description of general relativity, the Boyer–Lindquist coordinates are a generalization of the coordinates used for the metric of a Schwarzschild black hole that can be used to express the metric of a Kerr black hole.
The Hamiltonian for particle motion in Kerr spacetime is separable in Boyer–Lindq... | Boyer–Lindquist coordinates | [
"Physics",
"Astronomy",
"Mathematics"
] | 604 | [
"Black holes",
"Physical phenomena",
"Physical quantities",
"Unsolved problems in physics",
"Astrophysics",
"Density",
"Coordinate systems",
"Stellar phenomena",
"Astronomical objects",
"Coordinate charts in general relativity"
] |
2,599,187 | https://en.wikipedia.org/wiki/Earth%20System%20Modeling%20Framework | The Earth System Modeling Framework (ESMF) is open-source software for building climate, numerical weather prediction, data assimilation, and other Earth science software applications. These applications are computationally demanding and usually run on supercomputers. The ESMF is considered a technical layer, integrate... | Earth System Modeling Framework | [
"Physics"
] | 1,280 | [
"Weather",
"Weather prediction",
"Physical phenomena"
] |
12,866,103 | https://en.wikipedia.org/wiki/Epedigree | An epedigree (sometimes referred to as e-pedigree or electronic pedigree) is an electronic document which provides data on the history of a particular batch of a drug. It satisfies the requirement for a drug pedigree while using a convenient electronic form.
Pedigree
The U.S. Food and Drug Administration (FDA) in the... | Epedigree | [
"Chemistry",
"Biology"
] | 885 | [
"Pharmaceutical industry",
"Pharmacology",
"Life sciences industry"
] |
12,866,442 | https://en.wikipedia.org/wiki/7-Hydroxyamoxapine | 7-Hydroxyamoxapine is an active metabolite of the antidepressant drug amoxapine (Asendin). It contributes to amoxapine's pharmacology. It is a dopamine receptor antagonist and contributes to amoxapine's antipsychotic properties.
See also
8-Hydroxyamoxapine
References
Dibenzoxazepines
1-Piperazinyl compounds
Tricy... | 7-Hydroxyamoxapine | [
"Chemistry"
] | 115 | [
"Chemicals in medicine",
"Human drug metabolites"
] |
12,868,362 | https://en.wikipedia.org/wiki/Filling%20radius | In Riemannian geometry, the filling radius of a Riemannian manifold X is a metric invariant of X. It was originally introduced in 1983 by Mikhail Gromov, who used it to prove his systolic inequality for essential manifolds, vastly generalizing Loewner's torus inequality and Pu's inequality for the real projective plan... | Filling radius | [
"Mathematics"
] | 835 | [
"Topological spaces",
"Topology",
"Manifolds",
"Space (mathematics)"
] |
12,869,072 | https://en.wikipedia.org/wiki/Charge%20controller | A charge controller, charge regulator or battery regulator limits the rate at which electric current is added to or drawn from electric batteries to protect against electrical overload, overcharging, and may protect against overvoltage. This prevents conditions that reduce battery performance or lifespan and may pose a... | Charge controller | [
"Technology",
"Engineering"
] | 1,122 | [
"Computer engineering",
"Integrated circuits"
] |
12,869,518 | https://en.wikipedia.org/wiki/Performance-based%20logistics | Performance-based logistics (PBL), also known as performance-based life-cycle product support, is a defense acquisition strategy for cost-effective weapon system support which has been adopted in particular by the United States Department of Defense. Rather than contracting for the acquisition of parts or services, DoD... | Performance-based logistics | [
"Engineering"
] | 1,068 | [
"Maintenance",
"Mechanical engineering"
] |
8,223,245 | https://en.wikipedia.org/wiki/Riving%20knife | A riving knife is a safety device installed on a table saw, circular saw, or radial arm saw used for woodworking. Attached to the saw's arbor, it is fixed relative to the blade and moves with it as blade depth is adjusted.
A splitter is a similar device attached to a trunion on the far side of the saw and fixed in re... | Riving knife | [
"Physics",
"Technology"
] | 1,071 | [
"Physical systems",
"Machines",
"Woodworking machines"
] |
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