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 |
|---|---|---|---|---|---|---|
25,234,160 | https://en.wikipedia.org/wiki/Properties%20of%20concrete | Concrete has relatively high compressive strength (resistance to breaking when squeezed), but significantly lower tensile strength (resistance to breaking when pulled apart). The compressive strength is typically controlled with the ratio of water to cement when forming the concrete, and tensile strength is increased b... | Properties of concrete | [
"Engineering"
] | 3,230 | [
"Structural engineering",
"Concrete"
] |
6,302,572 | https://en.wikipedia.org/wiki/Hydrogen%20leak%20testing | Hydrogen leak testing is the normal way in which a hydrogen pressure vessel or installation is checked for leaks or flaws. This usually involves charging hydrogen as a tracer gas into the device undergoing testing, with any leaking gas detected by hydrogen sensors. Various test mechanisms have been devised.
Test mecha... | Hydrogen leak testing | [
"Materials_science"
] | 615 | [
"Nondestructive testing",
"Materials testing"
] |
6,308,157 | https://en.wikipedia.org/wiki/Nanoporous%20materials | Nanoporous materials consist of a regular organic or inorganic bulk phase in which a porous structure is present. Nanoporous materials exhibit pore diameters that are most appropriately quantified using units of nanometers. The diameter of pores in nanoporous materials is thus typically 100 nanometers or smaller. Pores... | Nanoporous materials | [
"Materials_science",
"Engineering"
] | 1,610 | [
"Nanotechnology",
"Nanomaterials",
"Porous media",
"Materials science"
] |
6,308,405 | https://en.wikipedia.org/wiki/Delta%20potential | In quantum mechanics the delta potential is a potential well mathematically described by the Dirac delta function - a generalized function. Qualitatively, it corresponds to a potential which is zero everywhere, except at a single point, where it takes an infinite value. This can be used to simulate situations where a p... | Delta potential | [
"Physics",
"Chemistry"
] | 1,904 | [
"Scattering theory",
"Equations of physics",
"Eponymous equations of physics",
"Quantum mechanics",
"Quantum models",
"Quantum mechanical potentials",
"Scattering",
"Schrödinger equation"
] |
20,894,507 | https://en.wikipedia.org/wiki/Nitraria%20retusa | Nitraria retusa, commonly known as Nitre bush, is a salt-tolerant and drought-resistant shrub in the family Nitrariaceae. It can grow to heights of , although it seldom exceeds more than 1 m in height. It produces small white/green coloured flowers and small edible red fruit. The plant is native to desert areas of nor... | Nitraria retusa | [
"Biology"
] | 516 | [
"Flora",
"Desert flora"
] |
20,894,986 | https://en.wikipedia.org/wiki/Radon%E2%80%93Riesz%20property | The Radon–Riesz property is a mathematical property for normed spaces that helps ensure convergence in norm. Given two assumptions (essentially weak convergence and continuity of norm), we would like to ensure convergence in the norm topology.
Definition
Suppose that (X, ||·||) is a normed space. We say that X has the... | Radon–Riesz property | [
"Mathematics"
] | 544 | [
"Functional analysis",
"Functions and mappings",
"Mathematical relations",
"Mathematical objects"
] |
20,895,158 | https://en.wikipedia.org/wiki/Olszewski%20tube | An Olszewski tube is a pipe designed to bring oxygen-poor water from the bottom of a lake to the top. This tube was first proposed by a Polish limnologist named Przemysław Olszewski in 1961 and helps combat the negative effects of eutrophication, high nutrient content, in lakes. The basic concept behind the Olszewski t... | Olszewski tube | [
"Chemistry",
"Engineering"
] | 1,210 | [
"Chemical engineering",
"Civil engineering",
"Environmental engineering"
] |
20,898,181 | https://en.wikipedia.org/wiki/Geometric%20combinatorics | Geometric combinatorics is a branch of mathematics in general and combinatorics in particular. It includes a number of subareas such as polyhedral combinatorics (the study of faces of convex polyhedra), convex geometry (the study of convex sets, in particular combinatorics of their intersections), and discrete geometr... | Geometric combinatorics | [
"Mathematics"
] | 212 | [
"Discrete geometry",
"Discrete mathematics",
"Combinatorics stubs",
"Combinatorics"
] |
20,899,639 | https://en.wikipedia.org/wiki/Schur%27s%20property | In mathematics, Schur's property, named after Issai Schur, is the property of normed spaces that is satisfied precisely if weak convergence of sequences entails convergence in norm.
Motivation
When we are working in a normed space X and we have a sequence that converges weakly to , then a natural question arises. Doe... | Schur's property | [
"Mathematics"
] | 276 | [
"Functional analysis",
"Functions and mappings",
"Mathematical relations",
"Mathematical objects"
] |
20,901,691 | https://en.wikipedia.org/wiki/Apogee%20kick%20motor | An apogee kick motor (AKM) is a rocket motor that is regularly employed on artificial satellites to provide the final impulse to change the trajectory from the transfer orbit into its final orbit (most commonly circular). For a satellite launched from the Earth, the rocket firing is done at the highest point of the tr... | Apogee kick motor | [
"Technology",
"Engineering"
] | 482 | [
"Rocket engines",
"Rocketry",
"Engines",
"Aerospace engineering"
] |
20,901,868 | https://en.wikipedia.org/wiki/Combinatorics%20and%20dynamical%20systems | The mathematical disciplines of combinatorics and dynamical systems interact in a number of ways. The ergodic theory of dynamical systems has recently been used to prove combinatorial theorems about number theory which has given rise to the field of arithmetic combinatorics. Also dynamical systems theory is heavily inv... | Combinatorics and dynamical systems | [
"Physics",
"Mathematics"
] | 164 | [
"Discrete mathematics",
"Combinatorics",
"Mechanics",
"Combinatorics stubs",
"Dynamical systems"
] |
20,902,402 | https://en.wikipedia.org/wiki/Reichstein%20process | The Reichstein process in chemistry is a combined chemical and microbial method for the production of ascorbic acid from D-glucose that takes place in several steps. This process was devised by Nobel Prize winner Tadeusz Reichstein and his colleagues in 1933 while working in the laboratory of the ETH in Zürich.
Reacti... | Reichstein process | [
"Chemistry"
] | 699 | [
"Organic reactions"
] |
481,484 | https://en.wikipedia.org/wiki/Wood%20preservation | Wood easily degrades without sufficient preservation. Apart from structural wood preservation measures, there are a number of different chemical preservatives and processes (also known as timber treatment, lumber treatment or pressure treatment) that can extend the life of wood, timber, and their associated products, i... | Wood preservation | [
"Engineering"
] | 10,797 | [
"Structural engineering",
"Civil engineering",
"Construction"
] |
481,814 | https://en.wikipedia.org/wiki/Leased%20line | A leased line is a private telecommunications circuit between two or more locations provided according to a commercial contract. It is sometimes also known as a private circuit, and as a data line in the UK. Typically, leased lines are used by businesses to connect geographically distant offices.
Unlike traditional te... | Leased line | [
"Engineering"
] | 1,816 | [
"Telecommunications engineering",
"Communication circuits"
] |
481,852 | https://en.wikipedia.org/wiki/Somatostatin | Somatostatin, also known as growth hormone-inhibiting hormone (GHIH) or by several other names, is a peptide hormone that regulates the endocrine system and affects neurotransmission and cell proliferation via interaction with G protein-coupled somatostatin receptors and inhibition of the release of numerous secondary... | Somatostatin | [
"Biology"
] | 1,660 | [
"Organ systems",
"Endocrine system"
] |
481,856 | https://en.wikipedia.org/wiki/Rigid%20body%20dynamics | In the physical science of dynamics, rigid-body dynamics studies the movement of systems of interconnected bodies under the action of external forces. The assumption that the bodies are rigid (i.e. they do not deform under the action of applied forces) simplifies analysis, by reducing the parameters that describe the c... | Rigid body dynamics | [
"Physics",
"Engineering"
] | 3,992 | [
"Civil engineering",
"Engineering mechanics",
"Mechanical engineering",
"Symmetry",
"Rotational symmetry"
] |
482,602 | https://en.wikipedia.org/wiki/Durability | Durability is the ability of a physical product to remain functional, without requiring excessive maintenance or repair, when faced with the challenges of normal operation over its design lifetime. There are several measures of durability in use, including years of life, hours of use, and number of operational cycles. ... | Durability | [
"Physics",
"Materials_science",
"Engineering"
] | 375 | [
"Applied and interdisciplinary physics",
"Materials science",
"nan"
] |
482,912 | https://en.wikipedia.org/wiki/Bingham%20plastic | In materials science, a Bingham plastic is a viscoplastic material that behaves as a rigid body at low stresses but flows as a viscous fluid at high stress. It is named after Eugene C. Bingham who proposed its mathematical form.
It is used as a common mathematical model of mud flow in drilling engineering, and in the ... | Bingham plastic | [
"Physics",
"Engineering"
] | 1,392 | [
"Physical phenomena",
"Physical quantities",
"Offshore engineering",
"Construction",
"Materials",
"Wikipedia categories named after physical quantities",
"Viscosity",
"Physical properties",
"Matter"
] |
483,855 | https://en.wikipedia.org/wiki/Cloud%20chamber | A cloud chamber, also known as a Wilson chamber, is a particle detector used for visualizing the passage of ionizing radiation.
A cloud chamber consists of a sealed environment containing a supersaturated vapor of water or alcohol. An energetic charged particle (for example, an alpha or beta particle) interacts with t... | Cloud chamber | [
"Physics",
"Chemistry",
"Technology",
"Engineering"
] | 1,667 | [
"Radioactive contamination",
"Measuring instruments",
"Particle detectors",
"Ionising radiation detectors",
"Nuclear physics",
"Radioactivity"
] |
23,912,155 | https://en.wikipedia.org/wiki/Gauge%20theory | In physics, a gauge theory is a type of field theory in which the Lagrangian, and hence the dynamics of the system itself, does not change under local transformations according to certain smooth families of operations (Lie groups). Formally, the Lagrangian is invariant under these transformations.
The term gauge refe... | Gauge theory | [
"Physics",
"Mathematics"
] | 6,570 | [
"Applied mathematics",
"Theoretical physics",
"Mathematical physics"
] |
23,913,353 | https://en.wikipedia.org/wiki/Multiphase%20heat%20transfer | A multiphase flow system is one characterized by the simultaneous presence of several phases, the two-phase system being the simplest case. The term ‘two-component’ is sometimes used to describe flows in which the phases consist of different chemical substances. However, since the same mathematics describes two-phase a... | Multiphase heat transfer | [
"Physics",
"Chemistry",
"Engineering"
] | 640 | [
"Transport phenomena",
"Physical phenomena",
"Heat transfer",
"Applied and interdisciplinary physics",
"Chemical engineering",
"Thermodynamics",
"Mechanical engineering"
] |
23,915,451 | https://en.wikipedia.org/wiki/BS%20EN%2013121-3 | BS EN 13121-3 is European Standard adopted by UK, titled "GRP tanks and vessels for use above ground. Design and workmanship". Design and workmanship is the final part within a four parts standard series which specifies the necessary requirements for design, fabrication, inspection and testing by manufacturers and spec... | BS EN 13121-3 | [
"Chemistry",
"Engineering"
] | 217 | [
"Chemical equipment",
"Storage tanks"
] |
19,753,612 | https://en.wikipedia.org/wiki/Black%20silicon | Black silicon is a semiconductor material, a surface modification of silicon with very low reflectivity and correspondingly high absorption of visible (and infrared) light.
The modification was discovered in the 1980s as an unwanted side effect of reactive ion etching (RIE). Other methods for forming a similar structu... | Black silicon | [
"Chemistry",
"Materials_science",
"Mathematics"
] | 1,752 | [
"Allotropes",
"Thin-film cells",
"Semiconductor materials",
"Group IV semiconductors",
"Allotropes of silicon",
"Planes (geometry)",
"Thin films"
] |
19,755,266 | https://en.wikipedia.org/wiki/Pharos%20network%20coordinates | Pharos is a hierarchical and decentralized network coordinate system. With the help of a simple two-level architecture, it achieves much better prediction accuracy then the representative Vivaldi coordinates, and it is incrementally deployable.
Overview
Network coordinate (NC) systems are an efficient mechanism for I... | Pharos network coordinates | [
"Technology",
"Engineering"
] | 523 | [
"Computer networking",
"Computer science",
"Computer engineering"
] |
19,757,640 | https://en.wikipedia.org/wiki/Power%20processing%20unit | A power processing unit (PPU) is a circuit device that convert an electricity input from a utility line into the appropriate voltage and current to be used for the device in question. They serve the same purpose as linear amplifiers, but they are much more efficient, since the use of linear amplifiers results in much ... | Power processing unit | [
"Engineering"
] | 378 | [
"Electrical engineering"
] |
19,759,995 | https://en.wikipedia.org/wiki/Kinodynamic%20planning | In robotics and motion planning, kinodynamic planning is a class of problems for which velocity, acceleration, and force/torque bounds must be satisfied, together with kinematic constraints such as avoiding obstacles. The term was coined by Bruce Donald, Pat Xavier, John Canny, and John Reif. Donald et al. developed ... | Kinodynamic planning | [
"Mathematics",
"Engineering"
] | 321 | [
"Robotics engineering",
"Algorithms",
"Mathematical logic",
"Applied mathematics",
"Robot control",
"Robot kinematics"
] |
19,760,932 | https://en.wikipedia.org/wiki/Sprengel%20pump | The Sprengel pump is a vacuum pump that uses drops of mercury falling through a small-bore capillary tube to trap air from the system to be evacuated. It was invented by Hanover-born chemist Hermann Sprengel in 1865 while he was working in London. The pump created the highest vacuum achievable at that time, less than 1... | Sprengel pump | [
"Physics",
"Engineering"
] | 465 | [
"Vacuum pumps",
"Vacuum systems",
"Vacuum",
"Matter"
] |
19,761,886 | https://en.wikipedia.org/wiki/Toepler%20pump | A Toepler pump is a form of mercury piston pump, invented by August Toepler in 1850.
Operation
The principle is illustrated in the diagram. When reservoir G is lowered, bulb B and tube T are filled with gas from the enclosure being evacuated (through tube A). When G is raised, mercury rises in tube F and cuts off the ... | Toepler pump | [
"Physics",
"Engineering"
] | 225 | [
"Vacuum pumps",
"Vacuum systems",
"Vacuum",
"Matter"
] |
19,762,116 | https://en.wikipedia.org/wiki/Fourier-transform%20infrared%20spectroscopy | Fourier transform infrared spectroscopy (FTIR) is a technique used to obtain an infrared spectrum of absorption or emission of a solid, liquid, or gas. An FTIR spectrometer simultaneously collects high-resolution spectral data over a wide spectral range. This confers a significant advantage over a dispersive spectromet... | Fourier-transform infrared spectroscopy | [
"Physics",
"Chemistry",
"Technology",
"Engineering"
] | 5,348 | [
"Spectrum (physical sciences)",
"Scientific instruments",
"Measuring instruments",
"Infrared spectroscopy",
"Spectroscopy"
] |
19,763,060 | https://en.wikipedia.org/wiki/Slater%E2%80%93Condon%20rules | Within computational chemistry, the Slater–Condon rules express integrals of one- and two-body operators over wavefunctions constructed as Slater determinants of orthonormal orbitals in terms of the individual orbitals. In doing so, the original integrals involving N-electron wavefunctions are reduced to sums over inte... | Slater–Condon rules | [
"Physics",
"Chemistry"
] | 604 | [
"Quantum chemistry",
"Quantum mechanics",
"Theoretical chemistry",
"Computational chemistry",
" molecular",
"Atomic",
" and optical physics"
] |
19,763,505 | https://en.wikipedia.org/wiki/Rat-tail%20splice | A rat-tail splice, also known as a twist splice or a pig-tail splice, is a basic electrical splice that can be done with both solid and stranded wire. It is made by taking two or more bare wires and wrapping them together symmetrically around the common axis of both wires.
The bare splice can be insulated with electr... | Rat-tail splice | [
"Physics",
"Engineering"
] | 281 | [
"Electrical systems",
"Building engineering",
"Physical systems",
"Electrical engineering",
"Electrical wiring"
] |
19,763,678 | https://en.wikipedia.org/wiki/T-splice | In electrical wiring, a T-splice is a splice that is used for connecting the end of one wire to the middle of another wire, thus forming a shape like that of the letter "T". This splice can be used with solid or stranded wires. The existing wire is called the main wire. The new wire that connects to the main wire is ca... | T-splice | [
"Physics",
"Engineering"
] | 117 | [
"Electrical systems",
"Building engineering",
"Physical systems",
"Electrical engineering",
"Electrical wiring"
] |
2,624,245 | https://en.wikipedia.org/wiki/Autoclaved%20aerated%20concrete | Autoclaved aerated concrete (AAC) is a lightweight, precast, cellular concrete building material. It is eco-friendly, and suitable for producing concrete-like blocks. It is composed of quartz sand, calcined gypsum, lime, portland cement, water, and aluminium powder. AAC products are cured under heat and pressure in an ... | Autoclaved aerated concrete | [
"Physics",
"Engineering"
] | 3,036 | [
"Structural engineering",
"Masonry",
"Building engineering",
"Construction",
"Materials",
"Building materials",
"Concrete",
"Matter",
"Architecture"
] |
2,624,309 | https://en.wikipedia.org/wiki/Lanthanum%20gallium%20silicate | Lanthanum gallium silicate (referred to as LGS in this article), also known as langasite, has a chemical formula of the form A3BC3D2O14, where A, B, C and D indicate particular cation sites. A is a decahedral (Thomson cube) site coordinated by 8 oxygen atoms. B is octahedral site coordinated by 6 oxygen atoms, and C an... | Lanthanum gallium silicate | [
"Physics",
"Engineering"
] | 398 | [
"Physical phenomena",
"Materials",
"Electrical phenomena",
"Ceramic materials",
"Ceramic engineering",
"Piezoelectric materials",
"Matter"
] |
2,626,942 | https://en.wikipedia.org/wiki/Sorel%20cement | Sorel cement (also known as magnesia cement or magnesium oxychloride) is a non-hydraulic cement first produced by the French chemist Stanislas Sorel in 1867.
In fact, in 1855, before working with magnesium compounds, Stanislas Sorel first developed a two-component cement by mixing zinc oxide powder with a solution of ... | Sorel cement | [
"Physics",
"Chemistry",
"Engineering"
] | 1,753 | [
"Inorganic compounds",
"Building engineering",
"Salts",
"Architecture",
"Construction",
"Materials",
"Metal halides",
"Matter",
"Building materials"
] |
2,629,002 | https://en.wikipedia.org/wiki/Le%20Cam%27s%20theorem | In probability theory, Le Cam's theorem, named after Lucien Le Cam, states the following.
Suppose:
are independent random variables, each with a Bernoulli distribution (i.e., equal to either 0 or 1), not necessarily identically distributed.
(i.e. follows a Poisson binomial distribution)
Then
In other word... | Le Cam's theorem | [
"Mathematics"
] | 169 | [
"Mathematical theorems",
"Theorems in statistics",
"Statistical inequalities",
"Theorems in probability theory",
"Probabilistic inequalities",
"Inequalities (mathematics)",
"Mathematical problems"
] |
2,629,646 | https://en.wikipedia.org/wiki/Spin%20wave | In condensed matter physics, a spin wave is a propagating disturbance in the ordering of a magnetic material. These low-lying collective excitations occur in magnetic lattices with continuous symmetry. From the equivalent quasiparticle point of view, spin waves are known as magnons, which are bosonic modes of the spin ... | Spin wave | [
"Physics",
"Chemistry",
"Materials_science",
"Engineering"
] | 1,704 | [
"Physical phenomena",
"Electric and magnetic fields in matter",
"Materials science",
"Waves",
"Motion (physics)",
"Magnetic ordering",
"Condensed matter physics"
] |
1,267,288 | https://en.wikipedia.org/wiki/Poincar%C3%A9%E2%80%93Hopf%20theorem | In mathematics, the Poincaré–Hopf theorem (also known as the Poincaré–Hopf index formula, Poincaré–Hopf index theorem, or Hopf index theorem) is an important theorem that is used in differential topology. It is named after Henri Poincaré and Heinz Hopf.
The Poincaré–Hopf theorem is often
illustrated by the special ca... | Poincaré–Hopf theorem | [
"Mathematics"
] | 939 | [
"Topology",
"Differential topology",
"Theorems in differential topology",
"Theorems in topology"
] |
1,270,187 | https://en.wikipedia.org/wiki/Current%20transformer | A current transformer (CT) is a type of transformer that reduces or multiplies alternating current (AC), producing a current in its secondary which is proportional to the current in its primary.
Current transformers, along with voltage or potential transformers, are instrument transformers, which scale the large value... | Current transformer | [
"Technology",
"Engineering"
] | 3,365 | [
"Electronic test equipment",
"Measuring instruments"
] |
1,270,458 | https://en.wikipedia.org/wiki/Eisenstein%20series | Eisenstein series, named after German mathematician Gotthold Eisenstein, are particular modular forms with infinite series expansions that may be written down directly. Originally defined for the modular group, Eisenstein series can be generalized in the theory of automorphic forms.
Eisenstein series for the modular g... | Eisenstein series | [
"Mathematics"
] | 1,025 | [
"Sequences and series",
"Analytic number theory",
"Functions and mappings",
"Series (mathematics)",
"Mathematical structures",
"Mathematical analysis",
"Calculus",
"Mathematical objects",
"Fractals",
"Mathematical relations",
"Modular forms",
"Number theory"
] |
1,270,631 | https://en.wikipedia.org/wiki/Methoxy%20group | In organic chemistry, a methoxy group is the functional group consisting of a methyl group bound to oxygen. This alkoxy group has the formula .
On a benzene ring, the Hammett equation classifies a methoxy substituent at the para position as an electron-donating group, but as an electron-withdrawing group if at the met... | Methoxy group | [
"Chemistry"
] | 415 | [
"Substituents",
"Alkoxy groups",
"O-methylation",
"Functional groups",
"Methylation"
] |
1,270,878 | https://en.wikipedia.org/wiki/Acid-fastness | Acid-fastness is a physical property of certain bacterial and eukaryotic cells, as well as some sub-cellular structures, specifically their resistance to decolorization by acids during laboratory staining procedures. Once stained as part of a sample, these organisms can resist the acid and/or ethanol-based decolorizati... | Acid-fastness | [
"Chemistry",
"Biology"
] | 1,057 | [
"Staining",
"Prokaryotes",
"Microbiology techniques",
"Bacteria",
"Microscopy",
"Microorganisms",
"Cell imaging"
] |
1,271,003 | https://en.wikipedia.org/wiki/Five%20prime%20untranslated%20region | The 5′ untranslated region (also known as 5′ UTR, leader sequence, transcript leader, or leader RNA) is the region of a messenger RNA (mRNA) that is directly upstream from the initiation codon. This region is important for the regulation of translation of a transcript by differing mechanisms in viruses, prokaryotes and... | Five prime untranslated region | [
"Chemistry",
"Biology"
] | 2,284 | [
"Gene expression",
"Molecular genetics",
"Cellular processes",
"Molecular biology",
"Biochemistry"
] |
18,649,261 | https://en.wikipedia.org/wiki/Hooke%27s%20atom | Hooke's atom, also known as harmonium or hookium, refers to an artificial helium-like atom where the Coulombic electron-nucleus interaction potential is
replaced by a harmonic potential. This system is of significance as it is, for certain values of the force constant defining the harmonic containment, an exactly solv... | Hooke's atom | [
"Physics",
"Chemistry"
] | 915 | [
"Quantum chemistry",
"Quantum mechanics",
"Quantum models",
"Theoretical chemistry",
" molecular",
"Atomic",
" and optical physics"
] |
18,651,732 | https://en.wikipedia.org/wiki/Coherence%20%28signal%20processing%29 | In signal processing, the coherence is a statistic that can be used to examine the relation between two signals or data sets. It is commonly used to estimate the power transfer between input and output of a linear system. If the signals are ergodic, and the system function is linear, it can be used to estimate the caus... | Coherence (signal processing) | [
"Physics",
"Technology",
"Engineering"
] | 1,210 | [
"Telecommunications engineering",
"Computer engineering",
"Spectrum (physical sciences)",
"Signal processing",
"Frequency-domain analysis"
] |
18,652,109 | https://en.wikipedia.org/wiki/Yeoh%20hyperelastic%20model | The Yeoh hyperelastic material model is a phenomenological model for the deformation of nearly incompressible, nonlinear elastic materials such as rubber. The model is based on Ronald Rivlin's observation that the elastic properties of rubber may be described using a strain energy density function which is a power seri... | Yeoh hyperelastic model | [
"Physics",
"Materials_science"
] | 791 | [
"Solid mechanics",
"Physical phenomena",
"Elasticity (physics)",
"Continuum mechanics",
"Deformation (mechanics)",
"Classical mechanics",
"Mechanics",
"Physical properties"
] |
18,654,152 | https://en.wikipedia.org/wiki/Kalundborg%20Eco-industrial%20Park | Kalundborg Eco-Industrial Park is an industrial symbiosis network located in Kalundborg, Denmark, in which companies in the region collaborate to use each other's by-products and otherwise share resources.
The Kalundborg Eco-Industrial Park is the first full realization of industrial symbiosis. The collaboration and ... | Kalundborg Eco-industrial Park | [
"Chemistry",
"Engineering"
] | 2,806 | [
"Industrial ecology",
"Industrial engineering",
"Environmental engineering"
] |
18,654,720 | https://en.wikipedia.org/wiki/Organic%20solderability%20preservative | Organic solderability preservative or OSP is a method for coating of printed circuit boards. It uses a water-based organic compound that selectively bonds to copper and protects the copper until soldering. Compared to the traditional HASL process, the OSP process is widely used in the electronics manufacturing industry... | Organic solderability preservative | [
"Engineering"
] | 411 | [
"Electrical engineering",
"Electronic engineering",
"Printed circuit board manufacturing"
] |
3,574,554 | https://en.wikipedia.org/wiki/Mechanical%20resonance | Mechanical resonance is the tendency of a mechanical system to respond at greater amplitude when the frequency of its oscillations matches the system's natural frequency of vibration (its resonance frequency or resonant frequency) closer than it does other frequencies. It may cause violent swaying motions and potential... | Mechanical resonance | [
"Physics",
"Chemistry",
"Engineering"
] | 1,638 | [
"Resonance",
"Structural engineering",
"Physical phenomena",
"Waves",
"Scattering",
"Civil engineering",
"Mechanics",
"Mechanical vibrations",
"Earthquake engineering"
] |
3,574,564 | https://en.wikipedia.org/wiki/Electrical%20resonance | Electrical resonance occurs in an electric circuit at a particular resonant frequency when the impedances or admittances of circuit elements cancel each other. In some circuits, this happens when the impedance between the input and output of the circuit is almost zero and the transfer function is close to one.
Resonan... | Electrical resonance | [
"Engineering"
] | 1,123 | [
"Telecommunications engineering",
"Electronic engineering",
"Electronic circuits",
"Filter theory"
] |
3,574,578 | https://en.wikipedia.org/wiki/Acoustic%20resonance | Acoustic resonance is a phenomenon in which an acoustic system amplifies sound waves whose frequency matches one of its own natural frequencies of vibration (its resonance frequencies).
The term "acoustic resonance" is sometimes used to narrow mechanical resonance to the frequency range of human hearing, but since aco... | Acoustic resonance | [
"Physics"
] | 3,267 | [
"Classical mechanics",
"Acoustics"
] |
3,575,593 | https://en.wikipedia.org/wiki/Education%20and%20training%20of%20electrical%20and%20electronics%20engineers | Both electrical and electronics engineers typically possess an academic degree with a major in electrical/ electronics engineering. The length of study for such a degree is usually three or four years and the completed degree may be designated as a Bachelor of Engineering, Bachelor of Science or Bachelor of Applied Sci... | Education and training of electrical and electronics engineers | [
"Engineering"
] | 1,756 | [
"Electrical engineering"
] |
22,403,212 | https://en.wikipedia.org/wiki/Chemical%20glycosylation | A chemical glycosylation reaction involves the coupling of a glycosyl donor, to a glycosyl acceptor forming a glycoside. If both the donor and acceptor are sugars, then the product is an oligosaccharide. The reaction requires activation with a suitable activating reagent. The reactions often result in a mixture of ... | Chemical glycosylation | [
"Chemistry"
] | 1,410 | [
"Biomolecules by chemical classification",
"Carbohydrates",
"Organic compounds",
"Carbohydrate chemistry",
"nan",
"Chemical synthesis",
"Glycobiology"
] |
22,408,665 | https://en.wikipedia.org/wiki/Covariance%20intersection | Covariance intersection (CI) is an algorithm for combining two or more estimates of state variables in a Kalman filter when the correlation between them is unknown.
Formulation
Items of information a and b are known and are to be fused into information item c. We know a and b have mean/covariance , and , , but the cr... | Covariance intersection | [
"Mathematics",
"Engineering"
] | 501 | [
"Robotics engineering",
"Applied mathematics",
"Control theory",
"Robot control",
"Dynamical systems"
] |
22,409,063 | https://en.wikipedia.org/wiki/Sectional%20cooler | A sectional cooler is a type of liquid cooled rotary drum cooler used for continuous processes in chemical engineering. Sectional coolers consist of a rotating cylinder ("drum" or "shell"), a drive unit and a support structure. At each end of the drum there are stationary chutes for material feed and outlet. Depending ... | Sectional cooler | [
"Chemistry",
"Engineering"
] | 414 | [
"Chemical equipment",
"Heat exchangers"
] |
22,409,299 | https://en.wikipedia.org/wiki/Framework%20region | In molecular biology, a framework region is a subdivision of the variable region (Fab) of the antibody. The variable region is composed of seven amino acid regions, four of which are framework regions and three of which are hypervariable regions. The framework region makes up about 85% of the variable region. Located ... | Framework region | [
"Chemistry"
] | 850 | [
"Biomolecules by chemical classification",
"Proteins",
"Molecular biology"
] |
22,409,391 | https://en.wikipedia.org/wiki/Ferrier%20carbocyclization | The Ferrier carbocyclization (or Ferrier II reaction) is an organic reaction that was first reported by the carbohydrate chemist Robert J. Ferrier in 1979. It is a metal-mediated rearrangement of enol ether pyrans to cyclohexanones. Typically, this reaction is catalyzed by mercury salts, specifically mercury(II) chlo... | Ferrier carbocyclization | [
"Chemistry"
] | 615 | [
"Carbon-carbon bond forming reactions",
"Organic reactions",
"Name reactions",
"Carbohydrate chemistry",
"nan",
"Chemical synthesis",
"Glycobiology",
"Rearrangement reactions"
] |
22,409,801 | https://en.wikipedia.org/wiki/Papaloizou%E2%80%93Pringle%20instability | The Papaloizou-Pringle Instability (PPI) is a scientific discovery made in 1984 by theoretical physicist John Papaloizou and James E. Pringle which proposes that tori, or accretion disks, in anisotropic stellar systems with constant specific angular momentum are unstable to non-axisymmetric global modes.
History
Linea... | Papaloizou–Pringle instability | [
"Physics"
] | 156 | [
"Astrophysics theories",
"Astrophysics"
] |
22,410,248 | https://en.wikipedia.org/wiki/Carbohydrate%20conformation | Carbohydrate conformation refers to the overall three-dimensional structure adopted by a carbohydrate (saccharide) molecule as a result of the through-bond and through-space physical forces it experiences arising from its molecular structure. The physical forces that dictate the three-dimensional shapes of all molecule... | Carbohydrate conformation | [
"Chemistry"
] | 1,691 | [
"Biomolecules by chemical classification",
"Carbohydrates",
"Organic compounds",
"Carbohydrate chemistry",
"Chemical synthesis",
"nan",
"Glycobiology"
] |
15,794,238 | https://en.wikipedia.org/wiki/Fractal%20cosmology | In physical cosmology, fractal cosmology is a set of minority cosmological theories which state that the distribution of matter in the Universe, or the structure of the universe itself, is a fractal across a wide range of scales (see also: multifractal system). More generally, it relates to the usage or appearance of f... | Fractal cosmology | [
"Physics",
"Astronomy",
"Mathematics"
] | 1,039 | [
"Functions and mappings",
"Mathematical analysis",
"Theoretical physics",
"Mathematical objects",
"Astrophysics",
"Fractals",
"Mathematical relations",
"Physical cosmology",
"Astronomical sub-disciplines"
] |
15,794,879 | https://en.wikipedia.org/wiki/Quantum%20digital%20signature | A Quantum Digital Signature (QDS) refers to the quantum mechanical equivalent of either a classical digital signature or, more generally, a handwritten signature on a paper document. Like a handwritten signature, a digital signature is used to protect a document, such as a digital contract, against forgery by another p... | Quantum digital signature | [
"Mathematics"
] | 2,181 | [
"Theoretical computer science",
"Applied mathematics"
] |
15,795,950 | https://en.wikipedia.org/wiki/Activity%20recognition | Activity recognition aims to recognize the actions and goals of one or more agents from a series of observations on the agents' actions and the environmental conditions. Since the 1980s, this research field has captured the attention of several computer science communities due to its strength in providing personalized ... | Activity recognition | [
"Physics",
"Engineering"
] | 4,039 | [
"Physical phenomena",
"Motion (physics)",
"Motion in computer vision",
"Human–machine interaction",
"Human–computer interaction"
] |
15,798,971 | https://en.wikipedia.org/wiki/Lattice%20plane | In crystallography, a lattice plane of a given Bravais lattice is any plane containing at least three noncollinear Bravais lattice points. Equivalently, a lattice plane is a plane whose intersections with the lattice (or any crystalline structure of that lattice) are periodic (i.e. are described by 2d Bravais lattices)... | Lattice plane | [
"Physics",
"Chemistry",
"Materials_science",
"Mathematics",
"Engineering"
] | 249 | [
"Materials science stubs",
"Materials science",
"Crystallography stubs",
"Crystallography",
"Condensed matter physics",
"Geometry",
"Geometry stubs"
] |
1,892,376 | https://en.wikipedia.org/wiki/MHC%20class%20I | MHC class I molecules are one of two primary classes of major histocompatibility complex (MHC) molecules (the other being MHC class II) and are found on the cell surface of all nucleated cells in the bodies of vertebrates. They also occur on platelets, but not on red blood cells. Their function is to display peptide fr... | MHC class I | [
"Chemistry",
"Biology"
] | 2,313 | [
"Immune system",
"Protein targeting",
"Organ systems",
"Cellular processes",
"Glycoproteins",
"Glycobiology"
] |
1,892,519 | https://en.wikipedia.org/wiki/Barrett%E2%80%93Crane%20model | The Barrett–Crane model is a model in quantum gravity, first published in 1998, which was defined using the Plebanski action.
The field in the action is supposed to be a -valued 2-form, i.e. taking values in the Lie algebra of a special orthogonal group. The term
in the action has the same symmetries as it does to p... | Barrett–Crane model | [
"Physics"
] | 260 | [
"Relativity stubs",
"Theory of relativity"
] |
1,892,704 | https://en.wikipedia.org/wiki/Plebanski%20action | General relativity and supergravity in all dimensions meet each other at a common assumption:
Any configuration space can be coordinatized by gauge fields , where the index is a Lie algebra index and is a spatial manifold index.
Using these assumptions one can construct an effective field theory in low energies for... | Plebanski action | [
"Physics"
] | 214 | [
"Relativity stubs",
"Theory of relativity"
] |
1,893,462 | https://en.wikipedia.org/wiki/Penicillamine | Penicillamine, sold under the brand name of Cuprimine among others, is a medication primarily used for the treatment of Wilson's disease. It is also used for people with kidney stones who have high urine cystine levels, rheumatoid arthritis, and various heavy metal poisonings. It is taken by mouth.
Penicillamine was a... | Penicillamine | [
"Chemistry"
] | 1,137 | [
"Thiols",
"Stereochemistry",
"Enantiopure drugs",
"Human drug metabolites",
"Organic compounds",
"Chelating agents",
"Chemicals in medicine",
"Process chemicals"
] |
1,894,582 | https://en.wikipedia.org/wiki/Dielectric%20spectroscopy | Dielectric spectroscopy (which falls in a subcategory of the impedance spectroscopy) measures the dielectric properties of a medium as a function of frequency. It is based on the interaction of an external field with the electric dipole moment of the sample, often expressed by permittivity.
It is also an experimental ... | Dielectric spectroscopy | [
"Physics",
"Chemistry",
"Materials_science",
"Engineering"
] | 1,878 | [
"Molecular physics",
"Spectrum (physical sciences)",
"Physical quantities",
"Instrumental analysis",
"Electric and magnetic fields in matter",
"Materials science",
"Impedance measurements",
"Electrochemistry",
"Condensed matter physics",
"Spectroscopy",
"Electrical resistance and conductance"
] |
1,895,800 | https://en.wikipedia.org/wiki/Riemann%20series%20theorem | In mathematics, the Riemann series theorem, also called the Riemann rearrangement theorem, named after 19th-century German mathematician Bernhard Riemann, says that if an infinite series of real numbers is conditionally convergent, then its terms can be arranged in a permutation so that the new series converges to an a... | Riemann series theorem | [
"Mathematics"
] | 2,732 | [
"Sequences and series",
"Theorems in mathematical analysis",
"Functions and mappings",
"Mathematical structures",
"Series (mathematics)",
"Permutations",
"Calculus",
"Theorems in real analysis",
"Mathematical objects",
"Combinatorics",
"Mathematical relations"
] |
8,291,405 | https://en.wikipedia.org/wiki/Stability%20conditions | The stability conditions of watercraft are the various standard loading configurations to which a ship, boat, or offshore platform may be subjected. They are recognized by classification societies such as Det Norske Veritas, Lloyd's Register and American Bureau of Shipping (ABS). Classification societies follow rules... | Stability conditions | [
"Physics",
"Mathematics",
"Engineering"
] | 689 | [
"Scalar physical quantities",
"Naval architecture",
"Physical quantities",
"Quantity",
"Size",
"Extensive quantities",
"Marine engineering",
"Volume",
"Wikipedia categories named after physical quantities"
] |
8,292,324 | https://en.wikipedia.org/wiki/Solid%20solution%20strengthening | In metallurgy, solid solution strengthening is a type of alloying that can be used to improve the strength of a pure metal. The technique works by adding atoms of one element (the alloying element) to the crystalline lattice of another element (the base metal), forming a solid solution. The local nonuniformity in the l... | Solid solution strengthening | [
"Chemistry",
"Materials_science",
"Engineering"
] | 2,488 | [
"Strengthening mechanisms of materials",
"Metallurgy",
"Materials science",
"nan"
] |
8,293,816 | https://en.wikipedia.org/wiki/Countably%20compact%20space | In mathematics a topological space is called countably compact if every countable open cover has a finite subcover.
Equivalent definitions
A topological space X is called countably compact if it satisfies any of the following equivalent conditions:
(1) Every countable open cover of X has a finite subcover.
(2) Every ... | Countably compact space | [
"Mathematics"
] | 859 | [
"Properties of topological spaces",
"Topological spaces",
"Topology",
"Space (mathematics)"
] |
8,293,820 | https://en.wikipedia.org/wiki/Sequentially%20compact%20space | In mathematics, a topological space X is sequentially compact if every sequence of points in X has a convergent subsequence converging to a point in .
Every metric space is naturally a topological space, and for metric spaces, the notions of compactness and sequential compactness are equivalent (if one assumes counta... | Sequentially compact space | [
"Mathematics"
] | 385 | [
"Properties of topological spaces",
"Space (mathematics)",
"Topology stubs",
"Topological spaces",
"Topology"
] |
8,294,746 | https://en.wikipedia.org/wiki/Smale%27s%20problems | Smale's problems is a list of eighteen unsolved problems in mathematics proposed by Steve Smale in 1998 and republished in 1999. Smale composed this list in reply to a request from Vladimir Arnold, then vice-president of the International Mathematical Union, who asked several mathematicians to propose a list of problem... | Smale's problems | [
"Mathematics"
] | 216 | [
"Unsolved problems in mathematics",
"Mathematical problems"
] |
8,295,165 | https://en.wikipedia.org/wiki/Buparvaquone | Buparvaquone is a naphthoquinone antiprotozoal drug related to atovaquone. It is a promising compound for the therapy and prophylaxis of all forms of theileriosis. Buparvaquone has been shown to have anti-leishmanial activity in vitro. It can be used to treat bovine East Coast fever protozoa in vitro, along with the on... | Buparvaquone | [
"Biology"
] | 399 | [
"Antiprotozoal agents",
"Biocides"
] |
18,655,162 | https://en.wikipedia.org/wiki/Two-dimensional%20infrared%20spectroscopy | Two-dimensional infrared spectroscopy (2D IR) is a nonlinear infrared spectroscopy technique that has the ability to correlate vibrational modes in condensed-phase systems. This technique provides information beyond linear infrared spectra, by spreading the vibrational information along multiple axes, yielding a frequ... | Two-dimensional infrared spectroscopy | [
"Physics",
"Chemistry"
] | 771 | [
"Infrared spectroscopy",
"Spectroscopy",
"Spectrum (physical sciences)"
] |
18,657,630 | https://en.wikipedia.org/wiki/Drug%20repositioning | Drug repositioning (also called drug repurposing) involves the investigation of existing drugs for new therapeutic purposes.
Repurposing achievements
Repurposing generics can have groundbreaking effects for patients: 35% of 'transformative' drugs approved by the US FDA are repurposed products. Repurposing is especial... | Drug repositioning | [
"Chemistry",
"Biology"
] | 1,200 | [
"Life sciences industry",
"Medicinal chemistry",
"Drug discovery"
] |
18,658,020 | https://en.wikipedia.org/wiki/Fludorex | Fludorex is a stimulant anorexic agent of the phenethylamine chemical class.
References
Stimulants
Trifluoromethyl compounds
Ethers
Phenylethanolamine ethers
Monoamine releasing agents | Fludorex | [
"Chemistry"
] | 52 | [
"Organic compounds",
"Functional groups",
"Ethers"
] |
25,240,121 | https://en.wikipedia.org/wiki/Multiplex%20polymerase%20chain%20reaction | Multiplex polymerase chain reaction (Multiplex PCR) refers to the use of polymerase chain reaction to amplify several different DNA sequences simultaneously (as if performing many separate PCR reactions all together in one reaction). This process amplifies DNA in samples using multiple primers and a temperature-media... | Multiplex polymerase chain reaction | [
"Chemistry",
"Technology",
"Biology"
] | 450 | [
"Biochemistry methods",
"Genetics techniques",
"Polymerase chain reaction",
"nan",
"Molecular biology",
"Biochemistry",
"Amplifiers"
] |
25,241,870 | https://en.wikipedia.org/wiki/Impedance%20pump | An impedance pump is a valveless pump consisting of an elastic tube connected on both ends to an inelastic tube. Tapping the end of a tube will cause flow of liquid inside the system.
Very small versions of an impedance pump -- a micro impedance pump -- can be used as a micropump for lab-on-a-chip active microfluidic... | Impedance pump | [
"Physics",
"Chemistry"
] | 83 | [
"Pumps",
"Hydraulics",
"Physical systems",
"Turbomachinery"
] |
25,243,874 | https://en.wikipedia.org/wiki/Magnetic%20translation | Magnetic translations are naturally defined operators acting on wave function on a two-dimensional particle in a magnetic field.
The motion of an electron in a magnetic field on a plane is described by the following four variables: guiding center coordinates and the relative coordinates .
The guiding center coordina... | Magnetic translation | [
"Physics",
"Materials_science"
] | 162 | [
"Quantum magnetism",
"Quantum mechanics",
"Condensed matter physics"
] |
25,244,065 | https://en.wikipedia.org/wiki/La%20Pedrera%20de%20R%C3%BAbies%20Formation | The La Pedrera de Rúbies Formation, also called as La Pedrera de Meià is an Early Cretaceous (late Berriasian to early Barremian geologic formation in Catalonia, Spain. The formation crops out in the area of the Montsec in the Organyà Basin. At the La Pedrera de Meià locality, the formation consists of rhythmically lam... | La Pedrera de Rúbies Formation | [
"Physics"
] | 966 | [
"Amorphous solids",
"Unsolved problems in physics",
"Amber"
] |
25,249,780 | https://en.wikipedia.org/wiki/Landfill%20gas%20utilization | Landfill gas utilization is a process of gathering, processing, and treating the methane or another gas emitted from decomposing garbage to produce electricity, heat, fuels, and various chemical compounds. After fossil fuel and agriculture, landfill gas is the third largest human generated source of methane. Compared t... | Landfill gas utilization | [
"Chemistry"
] | 3,484 | [
"Greenhouse gases",
"Greenhouse gas emissions",
"Methane"
] |
25,250,359 | https://en.wikipedia.org/wiki/List%20of%20freeware | Freeware is software that is available for use at no monetary cost or for an optional fee, but usually (although not necessarily) closed source with one or more restricted usage rights. Freeware is in contrast to commercial software, which is typically sold for profit, but might be distributed for a business or commerc... | List of freeware | [
"Technology"
] | 630 | [
"Computing-related lists",
"Lists of software"
] |
12,934,010 | https://en.wikipedia.org/wiki/German%20Naval%20Grid%20System | German Naval Grid Reference (German:Gradnetzmeldeverfahren), was a system for referencing a location on a map. Introduced initially by the German Luftwaffe just before World War II, it was used widely in the German armed forces until 1943. Each armed force had its own version of this reference.
The reference used in t... | German Naval Grid System | [
"Mathematics"
] | 587 | [
"Geographic coordinate systems",
"Coordinate systems"
] |
12,939,181 | https://en.wikipedia.org/wiki/Quasithin%20group | In mathematics, a quasithin group is a finite simple group that resembles a group of Lie type of rank at most 2 over a field of characteristic 2. The classification of quasithin groups is a crucial part of the classification of finite simple groups.
More precisely it is a finite simple group of characteristic 2 type a... | Quasithin group | [
"Mathematics"
] | 432 | [
"Mathematical structures",
"Algebraic structures",
"Finite groups"
] |
20,908,488 | https://en.wikipedia.org/wiki/Patched | Patched (Ptc) is a conserved 12-pass transmembrane protein receptor that plays an obligate negative regulatory role in the Hedgehog signaling pathway in insects and vertebrates. Patched is an essential gene in embryogenesis for proper segmentation in the fly embryo, mutations in which may be embryonic lethal. Patch... | Patched | [
"Chemistry",
"Biology"
] | 504 | [
"Signal transduction",
"Microscopy",
"Developmental genes and proteins",
"Hedgehog signaling pathway",
"Induced stem cells",
"Histopathology"
] |
6,310,882 | https://en.wikipedia.org/wiki/Optical%20circulator | An optical circulator is a three- or four-port optical device designed such that light entering any port exits from the next. This means that if light enters port 1 it is emitted from port 2, but if some of the emitted light is reflected back to the circulator, it does not come out of port 1 but instead exits from port... | Optical circulator | [
"Materials_science",
"Technology",
"Engineering"
] | 489 | [
"Glass engineering and science",
"Optical components",
"Components"
] |
6,313,537 | https://en.wikipedia.org/wiki/Automated%20insulin%20delivery%20system | Automated insulin delivery systems are automated (or semi-automated) systems designed to assist people with insulin-requiring diabetes, by automatically adjusting insulin delivery in response to blood glucose levels. Currently available systems (as of October 2020) can only deliver (and regulate delivery of) a single h... | Automated insulin delivery system | [
"Engineering",
"Biology"
] | 3,132 | [
"Biological engineering",
"Medical technology",
"Artificial organs",
"Biomedical engineering"
] |
6,317,357 | https://en.wikipedia.org/wiki/Gallium%28III%29%20chloride | Gallium(III) chloride is an inorganic chemical compound with the formula GaCl3 which forms a monohydrate, GaCl3·H2O. Solid gallium(III) chloride is a deliquescent white solid and exists as a dimer with the formula Ga2Cl6. It is colourless and soluble in virtually all solvents, even alkanes, which is truly unusual for... | Gallium(III) chloride | [
"Chemistry"
] | 1,347 | [
"Chlorides",
"Inorganic compounds",
"Metal halides",
"Salts"
] |
6,318,968 | https://en.wikipedia.org/wiki/List%20of%20materials%20properties | A material property is an intensive property of a material, i.e., a physical property or chemical property that does not depend on the amount of the material. These quantitative properties may be used as a metric by which the benefits of one material versus another can be compared, thereby aiding in materials selection... | List of materials properties | [
"Physics",
"Chemistry",
"Materials_science",
"Mathematics",
"Engineering"
] | 1,568 | [
"Physical phenomena",
"Applied and interdisciplinary physics",
"Physical quantities",
"Quantity",
"Materials science",
"nan",
"Physical properties"
] |
4,829,062 | https://en.wikipedia.org/wiki/Ethylhexyl%20palmitate | Ethylhexyl palmitate, also known as octyl palmitate, is the fatty acid ester derived from 2-ethylhexanol and palmitic acid. It is frequently utilized in cosmetic formulations.
Chemical structure
Ethylhexyl palmitate is a branched saturated fatty ester derived from ethylhexyl alcohol and palmitic acid.
Physical proper... | Ethylhexyl palmitate | [
"Chemistry"
] | 200 | [
"Organic compounds",
"Biomolecules by chemical classification",
"Lipids"
] |
4,830,276 | https://en.wikipedia.org/wiki/Molecular%20logic%20gate | A molecular logic gate is a molecule that performs a logical operation based on at least one physical or chemical inputs and a single output. The field has advanced from simple logic systems based on a single chemical or physical input to molecules capable of combinatorial and sequential operations such as arithmetic o... | Molecular logic gate | [
"Physics",
"Chemistry",
"Materials_science",
"Technology"
] | 3,623 | [
"Machines",
"Molecular physics",
"Molecular electronics",
"Physical systems",
"Molecular machines",
"Nanoelectronics",
"nan",
"Nanotechnology",
"Supramolecular chemistry"
] |
4,832,120 | https://en.wikipedia.org/wiki/Atmospheric%20Dispersion%20Modelling%20Liaison%20Committee | The Atmospheric Dispersion Modelling Liaison Committee (ADMLC) is composed of representatives from government departments, agencies (predominantly but not exclusively from the UK) and private consultancies. The ADMLC's main aim is to review current understanding of atmospheric dispersion and related phenomena for appli... | Atmospheric Dispersion Modelling Liaison Committee | [
"Chemistry",
"Engineering",
"Environmental_science"
] | 850 | [
"Atmospheric dispersion modeling",
"Environmental modelling",
"Environmental engineering"
] |
4,834,091 | https://en.wikipedia.org/wiki/Kuhn%20length | The Kuhn length is a theoretical treatment, developed by Werner Kuhn, in which a real polymer chain is considered as a collection of Kuhn segments each with a Kuhn length . Each Kuhn segment can be thought of as if they are freely jointed with each other. Each segment in a freely jointed chain can randomly orient in a... | Kuhn length | [
"Chemistry",
"Materials_science",
"Engineering"
] | 401 | [
"Polymer physics",
"Materials science",
"Polymer chemistry"
] |
4,838,287 | https://en.wikipedia.org/wiki/Hot%20blast | Hot blast refers to the preheating of air blown into a blast furnace or other metallurgical process. As this considerably reduced the fuel consumed, hot blast was one of the most important technologies developed during the Industrial Revolution.
Hot blast also allowed higher furnace temperatures, which increased the ca... | Hot blast | [
"Chemistry",
"Materials_science",
"Engineering"
] | 1,004 | [
"Metallurgical processes",
"Metallurgy",
"Steelmaking",
"History of metallurgy",
"Materials science",
"Blast furnaces",
"nan"
] |
4,838,571 | https://en.wikipedia.org/wiki/Position%20operator | In quantum mechanics, the position operator is the operator that corresponds to the position observable of a particle.
When the position operator is considered with a wide enough domain (e.g. the space of tempered distributions), its eigenvalues are the possible position vectors of the particle.
In one dimension, if ... | Position operator | [
"Physics"
] | 1,667 | [
"Quantum operators",
"Quantum mechanics"
] |
26,754,386 | https://en.wikipedia.org/wiki/Randomized%20rounding | In computer science and operations research, randomized rounding
is a widely used approach for designing and analyzing approximation algorithms.
Many combinatorial optimization problems are computationally intractable to solve exactly (to optimality). For such problems, randomized rounding can be used to design fast... | Randomized rounding | [
"Mathematics"
] | 2,937 | [
"Algorithms",
"Mathematical logic",
"Applied mathematics"
] |
23,917,974 | https://en.wikipedia.org/wiki/SOX1 | SOX1 is a gene that encodes a transcription factor with a HMG-box (high mobility group) DNA-binding domain and functions primarily in neurogenesis. SOX1, SOX2 and SOX3, members of the SOX gene family (specifically the SOXB1 group), contain transcription factors related to SRY, the testis-determining factor.
SOX1 exert... | SOX1 | [
"Chemistry",
"Biology"
] | 518 | [
"Transcription factors",
"Gene expression",
"Signal transduction",
"Developmental genes and proteins",
"Induced stem cells"
] |
23,920,468 | https://en.wikipedia.org/wiki/List%20of%20software%20for%20nanostructures%20modeling | This is a list of notable computer programs that are used to model nanostructures at the levels of classical mechanics and quantum mechanics.
Furiousatoms - a powerful software for molecular modelling and visualization
Aionics.io - a powerful platform for nanoscale modelling
Ascalaph Designer
Atomistix ToolKit and... | List of software for nanostructures modeling | [
"Physics",
"Chemistry",
"Materials_science",
"Engineering"
] | 485 | [
"Molecular modelling software",
"Applied and interdisciplinary physics",
"Computational chemistry software",
"Materials science",
"Molecular modelling",
"nan"
] |
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