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 |
|---|---|---|---|---|---|---|
23,291,159 | https://en.wikipedia.org/wiki/Lipid-based%20nanoparticle | Lipid-based nanoparticles are very small spherical particles composed of lipids. They are a novel pharmaceutical drug delivery system (part of nanoparticle drug delivery), and a novel pharmaceutical formulation. There are many subclasses of lipid-based nanoparticles such as: lipid nanoparticles (LNPs), solid lipid na... | Lipid-based nanoparticle | [
"Chemistry"
] | 2,762 | [
"Organic compounds",
"Biomolecules by chemical classification",
"Lipids"
] |
23,292,566 | https://en.wikipedia.org/wiki/Dess%E2%80%93Martin%20oxidation | The Dess–Martin oxidation is an organic reaction for the oxidation of primary alcohols to aldehydes and secondary alcohols to ketones using Dess–Martin periodinane.
It is named after the American chemists Daniel Benjamin Dess and James Cullen Martin who developed the periodinane reagent in 1983.
The reaction uses a h... | Dess–Martin oxidation | [
"Chemistry"
] | 271 | [
"Name reactions",
"Organic oxidation reactions",
"Organic redox reactions",
"Organic reactions"
] |
23,293,621 | https://en.wikipedia.org/wiki/Glymidine%20sodium | Glymidine sodium (INN, also known as glycodiazine; trade name Gondafon) is a sulfonamide antidiabetic drug, structurally related to the sulfonylureas. It was first reported in 1964, and introduced to clinical use in Europe in the mid to late 1960s.
References
Sulfonamides
Pyrimidines
Ethers
Phenol ethers
Abandoned d... | Glymidine sodium | [
"Chemistry"
] | 89 | [
"Functional groups",
"Drug safety",
"Organic compounds",
"Ethers",
"Abandoned drugs"
] |
23,294,123 | https://en.wikipedia.org/wiki/Creatinolfosfate | Creatinolfosfate (creatinol-O-phosphate, creatinol phosphate, COP) is a cardiac preparation, not to be confused with phosphocreatine.
Guanidines
Organophosphates | Creatinolfosfate | [
"Chemistry"
] | 53 | [
"Guanidines",
"Functional groups"
] |
44,621,719 | https://en.wikipedia.org/wiki/Bismuth%E2%80%93indium | The elements bismuth and indium have relatively low melting points when compared to other metals, and their alloy bismuth–indium (Bi–In) is classified as a fusible alloy. It has a melting point lower than the eutectic point of the tin–lead alloy. The most common application of the Bi-In alloy is as a low temperature so... | Bismuth–indium | [
"Physics",
"Chemistry",
"Materials_science",
"Engineering"
] | 1,877 | [
"Applied and interdisciplinary physics",
"Materials science",
"Chemical mixtures",
"Alloys",
"nan"
] |
44,622,064 | https://en.wikipedia.org/wiki/Interfacial%20polymerization | Interfacial polymerization is a type of step-growth polymerization in which polymerization occurs at the interface between two immiscible phases (generally two liquids), resulting in a polymer that is constrained to the interface. There are several variations of interfacial polymerization, which result in several types... | Interfacial polymerization | [
"Chemistry",
"Materials_science"
] | 2,366 | [
"Polymers",
"Polymerization reactions",
"Polymer chemistry"
] |
44,622,167 | https://en.wikipedia.org/wiki/Transition%20metal%20alkyne%20complex | In organometallic chemistry, a transition metal alkyne complex is a coordination compound containing one or more alkyne ligands. Such compounds are intermediates in many catalytic reactions that convert alkynes to other organic products, e.g. hydrogenation and trimerization.
Synthesis
Transition metal alkyne complexe... | Transition metal alkyne complex | [
"Chemistry"
] | 1,044 | [
"Organometallic chemistry",
"Coordination chemistry"
] |
33,412,595 | https://en.wikipedia.org/wiki/Streak%20seeding | Streak seeding is a method first described during ICCBM-3 by Enrico Stura to induce crystallization in a straight line into a sitting or hanging drop for protein crystallization by introducing microseeds. The purpose is to control nucleation and understand the parameters that make crystals grow. It is also used to test... | Streak seeding | [
"Physics",
"Chemistry",
"Materials_science",
"Engineering"
] | 177 | [
"Materials science stubs",
"Materials science",
"Crystallography stubs",
"Crystallography",
"Condensed matter physics"
] |
33,413,026 | https://en.wikipedia.org/wiki/Artificial%20muscle | Artificial muscles, also known as muscle-like actuators, are materials or devices that mimic natural muscle and can change their stiffness, reversibly contract, expand, or rotate within one component due to an external stimulus (such as voltage, current, pressure or temperature). The three basic actuation responses—con... | Artificial muscle | [
"Materials_science",
"Engineering"
] | 2,527 | [
"Smart materials",
"Materials science",
"Robotics engineering",
"Robotics hardware"
] |
38,918,026 | https://en.wikipedia.org/wiki/Drop%20test | A drop test is a method of testing the in-flight characteristics of prototype or experimental aircraft and spacecraft by raising the test vehicle to a specific altitude and then releasing it. Test flights involving powered aircraft, particularly rocket-powered aircraft, may be referred to as drop launches due to the l... | Drop test | [
"Engineering"
] | 2,244 | [
"Aerospace engineering"
] |
38,919,556 | https://en.wikipedia.org/wiki/C20H29NO3 | {{DISPLAYTITLE:C20H29NO3}}
The molecular formula C20H29NO3 (molar mass: 331.45 g/mol, exact mass: 331.2147 u) may refer to:
ADDA (amino acid)
Ditran (JB-329)
EA-3167
Molecular formulas | C20H29NO3 | [
"Physics",
"Chemistry"
] | 72 | [
"Molecules",
"Set index articles on molecular formulas",
"Isomerism",
"Molecular formulas",
"Matter"
] |
38,919,712 | https://en.wikipedia.org/wiki/Neutron%E2%80%93proton%20ratio | The neutron–proton ratio (N/Z ratio or nuclear ratio) of an atomic nucleus is the ratio of its number of neutrons to its number of protons. Among stable nuclei and naturally occurring nuclei, this ratio generally increases with increasing atomic number. This is because electrical repulsive forces between protons scale... | Neutron–proton ratio | [
"Physics",
"Mathematics"
] | 511 | [
"Arithmetic",
"Nuclear and atomic physics stubs",
"Ratios",
"Nuclear physics"
] |
38,922,521 | https://en.wikipedia.org/wiki/Normalized%20chromosome%20value | Normalized chromosome value (NCV) is a mathematical calculation for comparing each chromosome under tested in cell free DNA (cfDNA) for detecting genetic disorder of the fetus. NCV calculation removes variation within and between sequencing runs to optimize test precision.
References
Genetics | Normalized chromosome value | [
"Biology"
] | 56 | [
"Genetics"
] |
21,804,458 | https://en.wikipedia.org/wiki/Supercritical%20steam%20generator | A supercritical steam generator is a type of boiler that operates at supercritical pressure and temperature, frequently used in the production of electric power.
In contrast to a subcritical boiler in which steam bubbles form, a supercritical steam generator operates above the critical pressure and temperature . Under... | Supercritical steam generator | [
"Chemistry",
"Engineering"
] | 1,153 | [
"Chemical equipment",
"Boilers",
"Pressure vessels",
"nan"
] |
21,805,416 | https://en.wikipedia.org/wiki/Transmission-line%20matrix%20method | The transmission-line matrix (TLM) method is a space and time discretising method for computation of electromagnetic fields. It is based on the analogy between the electromagnetic field and a mesh of transmission lines. The TLM method allows the computation of complex three-dimensional electromagnetic structures and ha... | Transmission-line matrix method | [
"Physics",
"Mathematics"
] | 1,561 | [
"Electromagnetism",
"Physical phenomena",
"Computational electromagnetics",
"Computational physics",
"Fundamental interactions",
"Electrodynamics",
"Dynamical systems"
] |
21,807,867 | https://en.wikipedia.org/wiki/Acoustic%20resonance%20spectroscopy | Acoustic resonance spectroscopy (ARS) is a method of spectroscopy in the acoustic region, primarily the sonic and ultrasonic regions. ARS is typically much more rapid than HPLC and NIR. It is non destructive and requires no sample preparation as the sampling waveguide can simply be pushed into a sample powder/liquid or... | Acoustic resonance spectroscopy | [
"Physics",
"Chemistry"
] | 1,419 | [
"Molecular physics",
"Spectrum (physical sciences)",
"Instrumental analysis",
"Classical mechanics",
"Acoustics",
"Spectroscopy"
] |
21,809,607 | https://en.wikipedia.org/wiki/NC-SI | NC-SI, abbreviated from network controller sideband interface, is an electrical interface and protocol defined by the Distributed Management Task Force (DMTF). The NC-SI enables the connection of a baseboard management controller (BMC) to one or more network interface controllers (NICs) in a server computer system for ... | NC-SI | [
"Technology"
] | 489 | [
"Computer standards",
"DMTF standards"
] |
31,835,842 | https://en.wikipedia.org/wiki/4%2C4%27-Azobis%284-cyanopentanoic%20acid%29 | 4,4′-Azobis(4-cyanopentanoic acid) (ACPA) is a free radical initiator used in polymer synthesis. ACPA is a water-soluble initiator used in both heterogeneous and homogeneous free-radical polymerizations. It is used as an initiator in reversible addition−fragmentation chain transfer polymerization (RAFT). When heated to... | 4,4'-Azobis(4-cyanopentanoic acid) | [
"Chemistry",
"Materials_science"
] | 131 | [
"Radical initiators",
"Functional groups",
"Organic compounds",
"Polymer chemistry",
"Reagents for organic chemistry",
"Nitriles",
"Organic compound stubs",
"Organic chemistry stubs"
] |
31,836,156 | https://en.wikipedia.org/wiki/Textile%20Research%20Journal | The Textile Research Journal is a peer-reviewed scientific journal that covers the field of materials science, especially as applying to textiles. The journal's editor is Dong Zhang. It was established in 1931 and is published by SAGE Publications.
Abstracting and indexing
The journal is abstracted and indexed in Sco... | Textile Research Journal | [
"Materials_science",
"Engineering"
] | 125 | [
"Materials science stubs",
"Materials science",
"Materials science journals",
"Materials science journal stubs",
"Textile journals"
] |
31,843,107 | https://en.wikipedia.org/wiki/Ferroelectric%20ceramics | Ferroelectric ceramics is a special group of minerals that have ferroelectric properties: the strong dependence of the dielectric constant of temperature, electrical field, the presence of hysteresis and others.
The first widespread ferroelectric ceramics material, which had ferroelectric properties not only in the fo... | Ferroelectric ceramics | [
"Physics",
"Materials_science",
"Engineering"
] | 353 | [
"Physical phenomena",
"Applied and interdisciplinary physics",
"Ferroelectric materials",
"Materials science",
"Materials",
"Electrical phenomena",
"Ceramic materials",
"nan",
"Ceramic engineering",
"Hysteresis",
"Matter"
] |
31,843,527 | https://en.wikipedia.org/wiki/Commodification%20of%20water | The commodification of water refers to the process of turning water, especially freshwater, from a public good into a tradable commodity also known as an economic good. This transformation introduces water as a product into a market which previously did not have water as a tradable item. Usually, this is done in the ho... | Commodification of water | [
"Chemistry",
"Engineering",
"Environmental_science"
] | 3,600 | [
"Hydrology",
"Water supply",
"Environmental economics",
"Environmental engineering",
"Environmental social science"
] |
41,651,205 | https://en.wikipedia.org/wiki/Chain%20fountain | The chain fountain phenomenon, also known as the self-siphoning beads, Mould effect, or Newton beads is a physical phenomenon observed with a chain placed inside a jar. One end of the chain is pulled from the jar and is allowed to fall under the influence of gravity. This process establishes a self-sustaining flow of t... | Chain fountain | [
"Chemistry"
] | 607 | [
"Rheology",
"Fluid dynamics"
] |
41,660,225 | https://en.wikipedia.org/wiki/Bismuth%28III%29%20nitrate | Bismuth(III) nitrate is a salt composed of bismuth in its cationic +3 oxidation state and nitrate anions. The most common solid form is the pentahydrate. It is used in the synthesis of other bismuth compounds. It is available commercially. It is the only nitrate salt formed by a group 15 element, indicative of bismuth'... | Bismuth(III) nitrate | [
"Chemistry"
] | 311 | [
"Oxidizing agents",
"Nitrates",
"Salts"
] |
37,474,095 | https://en.wikipedia.org/wiki/Adolph%20Winkler%20Goodman | Adolph Winkler Goodman (July 20, 1915 – July 30, 2004) was an American mathematician who contributed to number theory, graph theory and to the theory of univalent functions: The conjecture on the coefficients of multivalent functions named after him is considered the most interesting challenge in the area after the Bie... | Adolph Winkler Goodman | [
"Mathematics"
] | 310 | [
"Mathematical relations",
"Graph theory",
"Graph theorists"
] |
37,478,118 | https://en.wikipedia.org/wiki/Open-circuit%20test | The open-circuit test, or no-load test, is one of the methods used in electrical engineering to determine the no-load impedance in the excitation branch of a transformer.
The no load is represented by the open circuit, which is represented on the right side of the figure as the "hole" or incomplete part of the circuit... | Open-circuit test | [
"Engineering"
] | 778 | [
"Electrical engineering",
"Electrical tests"
] |
37,478,772 | https://en.wikipedia.org/wiki/Prelude%20FLNG | Prelude FLNG is a floating liquefied natural gas (FLNG) platform owned by Shell plc and built by the Technip–Samsung Consortium (TSC) in South Korea for a joint venture between Royal Dutch Shell, KOGAS, and Inpex. The hull was launched in December 2013.
It is long, wide, tall, and made with more than 260,000 tonnes... | Prelude FLNG | [
"Chemistry",
"Engineering"
] | 1,060 | [
"Structural engineering",
"Floating production storage and offloading vessels",
"Petroleum technology",
"Natural gas platforms"
] |
26,190,852 | https://en.wikipedia.org/wiki/Margules%20activity%20model | The Margules activity model is a simple thermodynamic model for the excess Gibbs free energy of a liquid mixture introduced in 1895 by Max Margules. After Lewis had introduced the concept of the activity coefficient, the model could be used to derive an expression for the activity coefficients of a compound i in a li... | Margules activity model | [
"Physics",
"Chemistry"
] | 820 | [
"Applied and interdisciplinary physics",
"Thermodynamic models",
"Thermodynamics",
"nan",
"Physical chemistry"
] |
26,191,241 | https://en.wikipedia.org/wiki/Ernst%20angle | In nuclear magnetic resonance spectroscopy and magnetic resonance imaging, the Ernst angle is the flip angle (a.k.a. "tip" or "nutation" angle) for excitation of a particular spin that gives the maximal signal intensity in the least amount of time when signal averaging over many transients. In other words, the highest ... | Ernst angle | [
"Physics",
"Chemistry"
] | 528 | [
"Nuclear magnetic resonance",
"Spectrum (physical sciences)",
"Magnetic resonance imaging",
"Nuclear magnetic resonance spectroscopy",
"Spectroscopy"
] |
26,194,315 | https://en.wikipedia.org/wiki/Harmonious%20set | In mathematics, a harmonious set is a subset of a locally compact abelian group on which every weak character may be uniformly approximated by strong characters. Equivalently, a suitably defined dual set is relatively dense in the Pontryagin dual of the group. This notion was introduced by Yves Meyer in 1970 and later ... | Harmonious set | [
"Physics",
"Mathematics"
] | 661 | [
"Tessellation",
"Euclidean plane geometry",
"Number theory",
"Mathematical relations",
"Planes (geometry)",
"Diophantine approximation",
"Approximations",
"Symmetry"
] |
26,194,441 | https://en.wikipedia.org/wiki/Meyer%20set | In mathematics, a Meyer set or almost lattice is a relatively dense set X of points in the Euclidean plane or a higher-dimensional Euclidean space such that its Minkowski difference with itself is uniformly discrete. Meyer sets have several equivalent characterizations; they are named after Yves Meyer, who introduced a... | Meyer set | [
"Physics",
"Chemistry",
"Materials_science",
"Mathematics",
"Engineering"
] | 542 | [
"Lattice points",
"Materials science",
"Crystallography",
"Condensed matter physics",
"Number theory"
] |
26,196,392 | https://en.wikipedia.org/wiki/Ovarian%20tissue%20cryopreservation | Ovarian tissue cryopreservation is cryopreservation of tissue of the ovary of a female.
Indications
Cryopreservation of ovarian tissue is of interest to women who want fertility preservation beyond the natural limit, or whose reproductive potential is threatened by cancer therapy, for example in hematologic malignanci... | Ovarian tissue cryopreservation | [
"Physics",
"Chemistry"
] | 954 | [
"Cryopreservation",
"Applied and interdisciplinary physics",
"Cryogenics",
"Cryobiology"
] |
26,197,096 | https://en.wikipedia.org/wiki/C20H18O6 | {{DISPLAYTITLE:C20H18O6}}
The molecular formula C20H18O6 (molar mass: 354.35 g/mol, exact mass: 354.1103 u) may refer to:
Carpanone, a lignan
Luteone (isoflavone)
Sesamin, a lignan
Molecular formulas | C20H18O6 | [
"Physics",
"Chemistry"
] | 76 | [
"Molecules",
"Set index articles on molecular formulas",
"Isomerism",
"Molecular formulas",
"Matter"
] |
34,961,349 | https://en.wikipedia.org/wiki/Buchsbaum%20ring | In mathematics, Buchsbaum rings are Noetherian local rings such that every system of parameters is a weak sequence.
A sequence of the maximal ideal is called a weak sequence if for all .
They were introduced by and are named after David Buchsbaum.
Every Cohen–Macaulay local ring is a Buchsbaum ring. Every Buchsba... | Buchsbaum ring | [
"Mathematics"
] | 89 | [
"Fields of abstract algebra",
"Commutative algebra",
"Ring theory"
] |
34,964,561 | https://en.wikipedia.org/wiki/In%20silico%20PCR | In silico PCR refers to computational tools used to calculate theoretical polymerase chain reaction (PCR) results using a given set of primers (probes) to amplify DNA sequences from a sequenced genome or transcriptome.
These tools are used to optimize the design of primers for target DNA or cDNA sequences. Primer opti... | In silico PCR | [
"Chemistry",
"Engineering",
"Biology"
] | 678 | [
"Bioinformatics",
"Biomolecules by chemical classification",
"Biological engineering",
"Nucleic acids"
] |
44,893,854 | https://en.wikipedia.org/wiki/Infrared%20Nanospectroscopy%20%28AFM-IR%29 | AFM-IR (atomic force microscope-infrared spectroscopy) or infrared nanospectroscopy is one of a family of techniques that are derived from a combination of two parent instrumental techniques. AFM-IR combines the chemical analysis power of infrared spectroscopy and the high-spatial resolution of scanning probe microscop... | Infrared Nanospectroscopy (AFM-IR) | [
"Physics",
"Chemistry",
"Materials_science"
] | 5,285 | [
"Spectrum (physical sciences)",
"Infrared spectroscopy",
"nan",
"Microscopy",
"Scanning probe microscopy",
"Nanotechnology",
"Spectroscopy"
] |
44,894,707 | https://en.wikipedia.org/wiki/OptiRTC | OptiRTC is an American technology company that has developed a software as a service platform for civil infrastructure. The OptiRTC platform is a cloud-native platform that integrates sensors, forecasts, and environmental contexts to actively control stormwater infrastructure. The OptiRTC platform is built on Microsoft... | OptiRTC | [
"Chemistry",
"Environmental_science"
] | 323 | [
"Water treatment",
"Stormwater management",
"Water pollution"
] |
44,904,561 | https://en.wikipedia.org/wiki/Bogdan%20A.%20Dobrescu | Bogdan A. Dobrescu is a Romanian-born theoretical physicist with interests in high-energy physics associated with Fermilab. Previously he was a postdoctoral researcher at Yale University. He completed his Ph.D. in 1997 at Boston University.
In 2013, Dobrescu was elected a Fellow of the American Physical Society.
Sele... | Bogdan A. Dobrescu | [
"Physics"
] | 118 | [
"Theoretical physics",
"Particle physicists",
"Particle physics",
"Theoretical physicists"
] |
46,312,975 | https://en.wikipedia.org/wiki/Omphalos%20of%20Delphi | The Omphalos of Delphi is an ancient marble monument that was found at the archaeological site of Delphi, Greece. According to the Ancient Greek myths regarding the founding of the Delphic Oracle, the god Zeus, in his attempt to locate the center of the Earth, launched two eagles from the two ends of the world, and the... | Omphalos of Delphi | [
"Physics",
"Mathematics"
] | 564 | [
"Point (geometry)",
"Geometric centers",
"Geographical centres",
"Symmetry"
] |
46,313,242 | https://en.wikipedia.org/wiki/Materials%20oscilloscope | A materials oscilloscope is a time-resolved synchrotron high-energy X-ray technique to study rapid phase composition and microstructural related changes in a polycrystalline sample. Such device has been developed for in-situ studies of specimens undergoing physical thermo-mechanical simulation.
Principle
Two-dimensio... | Materials oscilloscope | [
"Physics",
"Chemistry",
"Materials_science",
"Engineering"
] | 486 | [
"Metallurgy",
"Engineering thermodynamics",
"Phases of matter",
"Electromagnetic spectrum",
"Laboratory techniques in condensed matter physics",
"Diffraction",
"Thermodynamics",
"Spectroscopy",
"X-rays",
"Materials science",
"Crystallography",
"Spectrum (physical sciences)",
"Deformation (me... |
46,316,026 | https://en.wikipedia.org/wiki/Combining%20rules | In computational chemistry and molecular dynamics, the combination rules or combining rules are equations that provide the interaction energy between two dissimilar non-bonded atoms, usually for the part of the potential representing the van der Waals interaction. In the simulation of mixtures, the choice of combining ... | Combining rules | [
"Physics",
"Chemistry",
"Materials_science",
"Engineering"
] | 661 | [
"Molecular physics",
"Materials science",
"Intermolecular forces",
"Computational physics",
"Molecular dynamics",
"Computational chemistry",
"Theoretical chemistry",
"Molecular modelling",
"nan"
] |
36,048,753 | https://en.wikipedia.org/wiki/Strawberry%20Tree%20%28solar%20energy%20device%29 | The Strawberry Tree is the world’s first public solar charger for mobile devices. It was developed by Serbian company Strawberry Energy. It won first place in the European Commission’s "Sustainable energy week 2011" competition in Brussels, in the category Consuming.
Functionalities
Strawberry Tree is a solar and Wi... | Strawberry Tree (solar energy device) | [
"Physics",
"Engineering"
] | 597 | [
"Power (physics)",
"Electrical engineering",
"Electric power",
"Physical quantities"
] |
36,051,162 | https://en.wikipedia.org/wiki/Macroemulsion | Macroemulsions are dispersed liquid-liquid, thermodynamically unstable systems with particle sizes ranging from 1 to 100 μm (orders of magnitude), which, most often, do not form spontaneously. Macroemulsions scatter light effectively and therefore appear milky, because their droplets are greater than a wavelength of l... | Macroemulsion | [
"Physics",
"Chemistry"
] | 2,170 | [
"Phases of matter",
"Matter",
"Liquids"
] |
28,057,466 | https://en.wikipedia.org/wiki/Mediterranean%20tropical-like%20cyclone | Mediterranean tropical-like cyclones, often referred to as Mediterranean cyclones or Mediterranean hurricanes, and shortened as medicanes, are meteorological phenomena occasionally observed over the Mediterranean Sea. On a few rare occasions, some storms have been observed reaching the strength of a Category 1 hurrican... | Mediterranean tropical-like cyclone | [
"Physics"
] | 10,654 | [
"Weather",
"Physical phenomena",
"Natural disasters"
] |
28,057,645 | https://en.wikipedia.org/wiki/Carbonite%20%28explosive%29 | Carbonite was one of the earliest and most successful coal-mining explosives. It is made from such ingredients as nitroglycerin, wood meal, and some nitrate as that of sodium; also nitrobenzene, sulfur, and diatomaceous earth. Carbonite was invented by Bichel of Schmidt and Bichel.
The term Carbonite can refer to thes... | Carbonite (explosive) | [
"Chemistry"
] | 206 | [
"Explosives",
"Explosions"
] |
28,059,077 | https://en.wikipedia.org/wiki/Salmon%20Creek%20Dam | The Salmon Creek Dam is a concrete arch dam on the Salmon Creek, northwest of Juneau, Alaska. Built in 1914, it is the world's first constant-angle arch variable radius dam. Since it was built, over 100 such dams have been constructed all over the world. The dam was designated as a National Historic Civil Engineering ... | Salmon Creek Dam | [
"Engineering"
] | 2,611 | [
"Civil engineering",
"Historic Civil Engineering Landmarks"
] |
28,059,825 | https://en.wikipedia.org/wiki/Barnette%27s%20conjecture | Barnette's conjecture is an unsolved problem in graph theory, a branch of mathematics, concerning Hamiltonian cycles in graphs. It is named after David W. Barnette, a professor emeritus at the University of California, Davis; it states that every bipartite polyhedral graph with three edges per vertex has a Hamiltonian ... | Barnette's conjecture | [
"Mathematics"
] | 1,016 | [
"Unsolved problems in mathematics",
"Statements about planar graphs",
"Planar graphs",
"Conjectures",
"Unsolved problems in graph theory",
"Planes (geometry)",
"Mathematical problems"
] |
29,407,693 | https://en.wikipedia.org/wiki/Herbert%20Enderton | Herbert Bruce Enderton (April 15, 1936 – October 20, 2010) was an American mathematician. He was a Professor Emeritus of Mathematics at UCLA and a former member of the faculties of Mathematics and of Logic and the Methodology of Science at the University of California, Berkeley.
Enderton also contributed to recursion ... | Herbert Enderton | [
"Mathematics"
] | 218 | [
"Mathematical logic",
"Mathematical logicians"
] |
29,409,353 | https://en.wikipedia.org/wiki/Refractory%20lined%20expansion%20joint | A Refractory lined expansion joint is an assembly used in a pipe line to allow it to expand and contract as climate conditions move from hot to cold and helps to ensure that the system remains functional. The refractory-lining can be vibra cast insulation with anchors, abrasion resistant refractory in hex mesh, gunned ... | Refractory lined expansion joint | [
"Physics",
"Engineering"
] | 236 | [
"Structural engineering",
"Refractory materials",
"Materials",
"Structural connectors",
"Matter"
] |
29,411,500 | https://en.wikipedia.org/wiki/Molybdenum%20oxotransferase | The enzyme super-family of molybdenum oxotransferases all contain molybdenum, and promote oxygen atom transfer reactions.
Enzymes in this family include DMSO reductase, xanthine oxidase, nitrite reductase, and sulfite oxidase.
See also
Bioinorganic chemistry
References
Metalloproteins
Molybdenum compounds | Molybdenum oxotransferase | [
"Chemistry"
] | 87 | [
"Metalloproteins",
"Bioinorganic chemistry"
] |
29,413,418 | https://en.wikipedia.org/wiki/Bumping%20%28chemistry%29 | Bumping is a phenomenon in chemistry where homogeneous liquids boiled in a test tube or other container will superheat and, upon nucleation, rapid boiling will expel the liquid from the container. In extreme cases, the container may be broken.
Cause
Bumping occurs when a liquid is heated or has its pressure reduced v... | Bumping (chemistry) | [
"Physics",
"Chemistry"
] | 404 | [
"Physical phenomena",
"Phase transitions",
"Chemical accident",
"Phases of matter",
"Critical phenomena",
"nan",
"Statistical mechanics",
"Chemical safety",
"Matter"
] |
29,415,060 | https://en.wikipedia.org/wiki/Kenneth%20C.%20Brugger | Kenneth C. Brugger (16 June 1918 – 25 November 1998) was an American naturalist and self-taught textile engineer. He is noted for discovering, with his wife Catalina Trail, the location of the overwintering sites of the monarch butterfly, Danaus plexippus.
Life and career
Brugger was born 16 June 1918 in Kenosha, Wisc... | Kenneth C. Brugger | [
"Engineering"
] | 526 | [
"Textile engineers",
"Textile engineering"
] |
29,418,139 | https://en.wikipedia.org/wiki/Manganocene | Manganocene or bis(cyclopentadienyl)manganese(II) is an organomanganese compound with the formula [Mn(C5H5)2]n. It is a thermochromic solid that degrades rapidly in air. Although the compound is of little utility, it is often discussed as an example of a metallocene with ionic character.
Synthesis and structure
It m... | Manganocene | [
"Chemistry"
] | 363 | [
"Organometallic chemistry",
"Cyclopentadienyl complexes"
] |
40,221,381 | https://en.wikipedia.org/wiki/Kinoform | A kinoform is a type of computer-generated converging lens that is able to efficiently focus light to a point. They typically use holography to reproduce the optical phase profile of a normal converging lens, albeit on a flat surface.
They can be used in areas such as focusing x-ray radiation, or in the study of nanom... | Kinoform | [
"Physics"
] | 202 | [
"X-rays",
"Spectrum (physical sciences)",
"Electromagnetic spectrum"
] |
40,226,710 | https://en.wikipedia.org/wiki/Raft%20%28algorithm%29 | Raft is a consensus algorithm designed as an alternative to the Paxos family of algorithms. It was meant to be more understandable than Paxos by means of separation of logic, but it is also formally proven safe and offers some additional features. Raft offers a generic way to distribute a state machine across a cluster... | Raft (algorithm) | [
"Technology",
"Engineering"
] | 1,928 | [
"Fault-tolerant computer systems",
"Reliability engineering",
"Computer systems"
] |
4,036,703 | https://en.wikipedia.org/wiki/Lime%20mortar | Lime mortar or torching is a masonry mortar composed of lime and an aggregate such as sand, mixed with water. It is one of the oldest known types of mortar, used in ancient Rome and Greece, when it largely replaced the clay and gypsum mortars common to ancient Egyptian construction.
With the introduction of Portland c... | Lime mortar | [
"Physics",
"Engineering"
] | 4,893 | [
"Masonry",
"Building engineering",
"Architecture",
"Construction",
"Materials",
"Matter",
"Building materials"
] |
38,931,462 | https://en.wikipedia.org/wiki/Carbon%20additive | Carbon additive is a product that is added to molten steel. Carbon additive includes calcined petroleum coke, graphite petroleum coke, calcined anthracite coal, electrical calcined anthracite, and natural graphite. For the steel-making industry, the most suitable carbon additive is calcined petroleum coke with fixed ca... | Carbon additive | [
"Chemistry"
] | 182 | [
"Metallurgical processes",
"Steelmaking"
] |
38,937,108 | https://en.wikipedia.org/wiki/Neutral%20plane | In mechanics, the neutral plane or neutral surface is a conceptual plane within a beam or cantilever. When loaded by a bending force, the beam bends so that the inner surface is in compression and the outer surface is in tension. The neutral plane is the surface within the beam between these zones, where the material o... | Neutral plane | [
"Physics",
"Mathematics"
] | 745 | [
"Statics",
"Mathematical objects",
"Classical mechanics",
"Infinity",
"Planes (geometry)"
] |
43,165,560 | https://en.wikipedia.org/wiki/Radiocarbon%20%28journal%29 | Radiocarbon is a scientific journal devoted to the topic of radiocarbon dating.
It was founded in 1959 as a supplement to the American Journal of Science, and is an important source of data and information about radiocarbon dating. It publishes many radiocarbon results, and since 1979 it has published the proceedings... | Radiocarbon (journal) | [
"Physics",
"Chemistry"
] | 137 | [
"Nuclear chemistry stubs",
"Nuclear and atomic physics stubs",
"Nuclear physics"
] |
43,165,864 | https://en.wikipedia.org/wiki/Representation%20on%20coordinate%20rings | In mathematics, a representation on coordinate rings is a representation of a group on coordinate rings of affine varieties.
Let X be an affine algebraic variety over an algebraically closed field k of characteristic zero with the action of a reductive algebraic group G. G then acts on the coordinate ring of X as a l... | Representation on coordinate rings | [
"Mathematics"
] | 479 | [
"Group theory",
"Representation theory",
"Fields of abstract algebra"
] |
43,166,551 | https://en.wikipedia.org/wiki/LISA%20Pathfinder | LISA Pathfinder, formerly Small Missions for Advanced Research in Technology-2 (SMART-2), was an ESA spacecraft that was launched on 3 December 2015 on board Vega flight VV06. The mission tested technologies needed for the Laser Interferometer Space Antenna (LISA), an ESA gravitational wave observatory planned to be la... | LISA Pathfinder | [
"Astronomy",
"Technology",
"Engineering"
] | 1,455 | [
"Space telescopes",
"Interferometers",
"Measuring instruments"
] |
43,167,221 | https://en.wikipedia.org/wiki/Coastal%20upwelling%20of%20the%20South%20Eastern%20Arabian%20Sea | Coastal upwelling of the South Eastern Arabian Sea (SEAS) is a typical eastern boundary upwelling system (EBUS) similar to the California, Bengulea, Canary Island, and Peru-Chile systems. Unlike those four, the SEAS upwelling system needs to be explored in a much focused manner to clearly understand the chemical and b... | Coastal upwelling of the South Eastern Arabian Sea | [
"Physics",
"Biology"
] | 199 | [
"Aquatic ecology",
"Ecosystems",
"Applied and interdisciplinary physics",
"Physical oceanography"
] |
43,167,897 | https://en.wikipedia.org/wiki/Arrangement%20%28space%20partition%29 | In discrete geometry, an arrangement is the decomposition of the d-dimensional linear, affine, or projective space into connected cells of different dimensions, induced by a finite collection of geometric objects, which are usually of dimension one less than the dimension of the space, and often of the same type as eac... | Arrangement (space partition) | [
"Mathematics"
] | 420 | [
"Discrete geometry",
"Computational geometry",
"Computational mathematics",
"Discrete mathematics"
] |
43,170,941 | https://en.wikipedia.org/wiki/Least-squares%20adjustment | Least-squares adjustment is a model for the solution of an overdetermined system of equations based on the principle of least squares of observation residuals. It is used extensively in the disciplines of surveying, geodesy, and photogrammetry—the field of geomatics, collectively.
Formulation
There are three forms of ... | Least-squares adjustment | [
"Mathematics",
"Engineering"
] | 1,507 | [
"Applied mathematics",
"Civil engineering",
"Surveying",
"Geodesy"
] |
43,174,898 | https://en.wikipedia.org/wiki/Matter%20wave%20clock | A matter wave clock is a type of clock whose principle of operation makes use of the apparent wavelike properties of matter.
Matter waves were first proposed by Louis de Broglie and are sometimes called de Broglie waves. They form a key aspect of wave–particle duality and experiments have since supported the idea. The... | Matter wave clock | [
"Physics",
"Technology",
"Engineering"
] | 1,168 | [
"Machines",
"Theoretical physics",
"Quantum mechanics",
"Clocks",
"Measuring instruments",
"Physical systems",
"Theory of relativity"
] |
37,487,265 | https://en.wikipedia.org/wiki/Variational%20method%20%28quantum%20mechanics%29 | In quantum mechanics, the variational method is one way of finding approximations to the lowest energy eigenstate or ground state, and some excited states. This allows calculating approximate wavefunctions such as molecular orbitals. The basis for this method is the variational principle.
The method consists of choosi... | Variational method (quantum mechanics) | [
"Physics",
"Chemistry",
"Mathematics"
] | 1,388 | [
"Quantum chemistry",
"Quantum mechanics",
"Computational physics",
"Theoretical chemistry",
"Electronic structure methods",
"Computational chemistry",
"Mathematical relations",
" molecular",
"nan",
"Atomic",
"Approximations",
" and optical physics"
] |
37,487,414 | https://en.wikipedia.org/wiki/Wu%E2%80%93Sprung%20potential | In mathematical physics, the Wu–Sprung potential, named after Hua Wu and Donald Sprung, is a potential function in one dimension inside a Hamiltonian with the potential defined by solving a non-linear integral equation defined by the Bohr–Sommerfeld quantization conditions involving the spectral staircase, the energie... | Wu–Sprung potential | [
"Physics",
"Mathematics"
] | 575 | [
"Applied mathematics",
"Theoretical physics",
"Mathematical physics"
] |
37,490,344 | https://en.wikipedia.org/wiki/Alexandrov%20theorem | In mathematical analysis, the Alexandrov theorem, named after Aleksandr Danilovich Aleksandrov, states that if is an open subset of and is a convex function, then has a second derivative almost everywhere.
In this context, having a second derivative at a point means having a second-order Taylor expansion at that p... | Alexandrov theorem | [
"Mathematics"
] | 95 | [
"Theorems in mathematical analysis",
"Mathematical analysis",
"Theorems in measure theory",
"Mathematical analysis stubs"
] |
37,495,325 | https://en.wikipedia.org/wiki/Corrosion%20in%20ballast%20tanks | Corrosion in Ballast Tanks is the deterioration process where the surface of a ballast tank progresses from microblistering, to loss of tank coating, and finally to cracking of the tank steel itself.
“Effective corrosion control in segregated water ballast spaces is probably the single most important feature, next to ... | Corrosion in ballast tanks | [
"Chemistry",
"Materials_science",
"Engineering"
] | 1,018 | [
"Metallurgy",
"Corrosion",
"Shipbuilding",
"Electrochemistry",
"Marine engineering",
"Materials degradation"
] |
34,972,710 | https://en.wikipedia.org/wiki/Perdido%20%28oil%20platform%29 | Perdido (Spanish for lost) is the deepest floating oil platform in the world at a water depth of about 2,450 meters (8,040 feet) operated by the Shell Oil Company in the Gulf of Mexico. The platform is located in the Perdido fold belt which is a rich discovery of crude oil and natural gas. The Perdido spar began produc... | Perdido (oil platform) | [
"Chemistry",
"Engineering"
] | 921 | [
"Oil platforms",
"Structural engineering",
"Petroleum technology",
"Construction",
"Civil engineering",
"Natural gas technology"
] |
34,983,327 | https://en.wikipedia.org/wiki/Fermi%20arc | In the field of unconventional superconductivity, a Fermi arc is a phenomenon visible in the pseudogap state of a superconductor. Seen in momentum space, part of the space exhibits a gap in the density of states, like in a superconductor. This starts at the antinodal points, and spreads through momentum space when low... | Fermi arc | [
"Physics",
"Materials_science",
"Engineering"
] | 170 | [
"Materials science stubs",
"Physical quantities",
"Superconductivity",
"Materials science",
"Condensed matter physics",
"Condensed matter stubs",
"Electrical resistance and conductance"
] |
34,984,079 | https://en.wikipedia.org/wiki/Flat%20spot%20%28reflection%20seismology%29 | In reflection seismology, a flat spot is a seismic attribute anomaly that appears as a horizontal reflector cutting across the stratigraphy elsewhere present on the seismic image. Its appearance can indicate the presence of hydrocarbons. Therefore, it is known as a direct hydrocarbon indicator and is used by geophysi... | Flat spot (reflection seismology) | [
"Chemistry"
] | 221 | [
"Petroleum",
"Petroleum geology"
] |
34,984,373 | https://en.wikipedia.org/wiki/Aceglutamide | Aceglutamide (brand name Neuramina), or aceglutamide aluminium (brand name Glumal), also known as acetylglutamine, is a psychostimulant, nootropic, and antiulcer agent that is marketed in Spain and Japan. It is an acetylated form of the amino acid L-glutamine, the precursor of glutamate in the body and brain. Aceglutam... | Aceglutamide | [
"Chemistry"
] | 263 | [
"Chemicals in medicine",
"Prodrugs"
] |
34,984,725 | https://en.wikipedia.org/wiki/AISoy1 | AISoy1, developed by the Spanish company AISoy Robotics, is a pet-robot considered to be one of the first emotional-learning robots for the consumer market. Its software platform allows it to interpret stimuli from its sensors network, in order to gain information from its environment and take decisions based on logic... | AISoy1 | [
"Technology",
"Biology"
] | 374 | [
"Social robots",
"Animals",
"Computing and society",
"Robotic animals"
] |
24,794,048 | https://en.wikipedia.org/wiki/Gravitoelectromagnetism | Gravitoelectromagnetism, abbreviated GEM, refers to a set of formal analogies between the equations for electromagnetism and relativistic gravitation; specifically: between Maxwell's field equations and an approximation, valid under certain conditions, to the Einstein field equations for general relativity. Gravitomagn... | Gravitoelectromagnetism | [
"Physics"
] | 2,565 | [
"General relativity",
"Theory of relativity"
] |
24,801,788 | https://en.wikipedia.org/wiki/Valve%20leakage | Valve leakage refers to flow through a valve which is set in the 'off' state.
The importance of valve leakage depends on what the valve is controlling. For example, a dripping tap is less significant than a leak from a six-inch pipe carrying high-pressure radioactive steam.
In the United States, the American National... | Valve leakage | [
"Physics",
"Chemistry"
] | 288 | [
"Physical systems",
"Valves",
"Hydraulics",
"Piping"
] |
24,803,004 | https://en.wikipedia.org/wiki/Smaart | Smaart (System Measurement Acoustical Analysis in Real Time) is a suite of audio and acoustical measurements and instrumentation software tools introduced in 1996 by JBL's professional audio division. It is designed to help the live sound engineer optimize sound reinforcement systems before public performance and activ... | Smaart | [
"Physics"
] | 3,300 | [
"Classical mechanics",
"Acoustics"
] |
44,628,427 | https://en.wikipedia.org/wiki/Cloud%20robotics | Cloud robotics is a field of robotics that attempts to invoke cloud technologies such as cloud computing, cloud storage, and other Internet technologies centered on the benefits of converged infrastructure and shared services for robotics. When connected to the cloud, robots can benefit from the powerful computation, s... | Cloud robotics | [
"Engineering"
] | 4,022 | [
"Robotics",
"Automation"
] |
44,628,821 | https://en.wikipedia.org/wiki/Matrix%20regularization | In the field of statistical learning theory, matrix regularization generalizes notions of vector regularization to cases where the object to be learned is a matrix. The purpose of regularization is to enforce conditions, for example sparsity or smoothness, that can produce stable predictive functions. For example, in t... | Matrix regularization | [
"Mathematics",
"Engineering"
] | 1,800 | [
"Matrices (mathematics)",
"Artificial intelligence engineering",
"Mathematical objects",
"Machine learning"
] |
44,629,679 | https://en.wikipedia.org/wiki/Compatibilization | In polymer chemistry, compatibilization is the addition of a substance to an immiscible blend of polymers that will increase their stability. Polymer blends are typically described by coarse, unstable phase morphologies; this results in poor mechanical properties. Compatibilizing the system will make a more stable and ... | Compatibilization | [
"Chemistry",
"Materials_science",
"Engineering"
] | 742 | [
"Polymers",
"Materials science",
"Polymer chemistry"
] |
44,632,031 | https://en.wikipedia.org/wiki/M-theory%20%28learning%20framework%29 | In machine learning and computer vision, M-theory is a learning framework inspired by feed-forward processing in the ventral stream of visual cortex and originally developed for recognition and classification of objects in visual scenes. M-theory was later applied to other areas, such as speech recognition. On certain ... | M-theory (learning framework) | [
"Engineering"
] | 3,719 | [
"Artificial intelligence engineering",
"Packaging machinery",
"Machine learning",
"Computer vision"
] |
44,632,714 | https://en.wikipedia.org/wiki/Tantalum%E2%80%93tungsten%20alloys | Tantalum–tungsten alloys are in the refractory metals group that maintain useful physical and chemical properties even at high temperatures. The tantalum–tungsten alloys are characterized by their high melting point and the tension resistance. The properties of the final alloy are a combination of properties from the t... | Tantalum–tungsten alloys | [
"Chemistry",
"Materials_science",
"Engineering"
] | 453 | [
"Metallurgy",
"Materials science",
"Refractory metals",
"Alloys",
"nan",
"Tungsten alloys"
] |
44,636,075 | https://en.wikipedia.org/wiki/Monowheel%20tractor | A monowheel tractor or monowheel-drive tractor is a light transport and agricultural vehicle that is driven and controlled by an engine and steering mechanism mounted on a single large wheel, with the load-carrying body trailing behind. Despite the name, they are tricycles.
Development
Monowheel tractors developed i... | Monowheel tractor | [
"Engineering"
] | 861 | [
"Engineering vehicles",
"Tractors"
] |
44,637,222 | https://en.wikipedia.org/wiki/Specialist%20Printing%20Equipment%20and%20Materials%20%28Offences%29%20Act%202015 | The Specialist Printing Equipment and Materials (Offences) Act 2015 is an Act of the Parliament of the United Kingdom. The Bill makes a specific offence of knowingly supplying printing equipment for the production of fake or fraudulent identity documents. It was introduced as a private member's bill by David Amess and ... | Specialist Printing Equipment and Materials (Offences) Act 2015 | [
"Physics",
"Technology"
] | 492 | [
"Physical systems",
"Machines",
"Printing devices"
] |
36,053,297 | https://en.wikipedia.org/wiki/2012%20National%20Reconnaissance%20Office%20space%20telescope%20donation%20to%20NASA | The 2012 National Reconnaissance Office space telescope donation to NASA was the declassification and donation to NASA of two identical space telescopes by the United States National Reconnaissance Office. The donation has been described by scientists as a substantial improvement over NASA's current Hubble Space Telesc... | 2012 National Reconnaissance Office space telescope donation to NASA | [
"Astronomy"
] | 1,210 | [
"Space telescopes"
] |
36,053,570 | https://en.wikipedia.org/wiki/Phase-space%20formulation | The phase-space formulation is a formulation of quantum mechanics that places the position and momentum variables on equal footing in phase space. The two key features of the phase-space formulation are that the quantum state is described by a quasiprobability distribution (instead of a wave function, state vector, or ... | Phase-space formulation | [
"Physics",
"Mathematics"
] | 2,199 | [
"Theoretical physics",
"Foundational quantum physics",
"Quantum mechanics",
"Classical mechanics",
"Hamiltonian mechanics",
"Mathematical quantization",
"Dynamical systems"
] |
36,054,202 | https://en.wikipedia.org/wiki/Two-body%20Dirac%20equations | In quantum field theory, and in the significant subfields of quantum electrodynamics (QED) and quantum chromodynamics (QCD), the two-body Dirac equations (TBDE) of constraint dynamics provide a three-dimensional yet manifestly covariant reformulation of the Bethe–Salpeter equation for two spin-1/2 particles. Such a ref... | Two-body Dirac equations | [
"Physics",
"Mathematics"
] | 4,183 | [
"Quantum field theory",
"Equations of physics",
"Applied mathematics",
"Theoretical physics",
"Eponymous equations of physics",
"Quantum mechanics",
"Mathematical objects",
"Equations",
"Mathematical physics",
"Dirac equation"
] |
36,057,380 | https://en.wikipedia.org/wiki/ANAEM | The Ankara Nuclear Research and Training Center (), known as ANAEM, is a nuclear research and training center of Turkey. The organization was established on August 18, 2010 as a subunit of Turkish Atomic Energy Administration (, TAEK) in its campus at Ankara University's Faculty of Science situated in Beşevler neighbor... | ANAEM | [
"Physics",
"Engineering"
] | 162 | [
"Nuclear research institutes",
"Nuclear and atomic physics stubs",
"Nuclear organizations",
"Nuclear physics"
] |
36,059,636 | https://en.wikipedia.org/wiki/Neutron%20Trail | The Neutron Trail is an open cultural dialogue into our shared nuclear legacy intended to raise awareness and stimulate strategic thinking around nuclear power and nuclear disarmament. Neutron Trail deals with paradoxical human dilemmas, such as the world's need for large outputs of energy amid ongoing and often charge... | Neutron Trail | [
"Physics"
] | 783 | [
"Power (physics)",
"Physical quantities",
"Nuclear power"
] |
23,296,099 | https://en.wikipedia.org/wiki/Sacher%20hexachord | The Sacher hexachord (6-Z11, a musical cryptogram on the name of Swiss conductor Paul Sacher) is a hexachord notable for its use in a set of twelve compositions (12 Hommages à Paul Sacher) created at the invitation of Mstislav Rostropovich for Sacher's seventieth birthday in 1976.
The twelve compositions include Pierr... | Sacher hexachord | [
"Mathematics",
"Engineering"
] | 245 | [
"Applied mathematics",
"Cryptography",
"Cybersecurity engineering"
] |
23,296,477 | https://en.wikipedia.org/wiki/Aerotoxic%20Association | The Aerotoxic Association was founded on 18 June 2007, at the British Houses of Parliament by former BAe 146 Training Captain John Hoyte, to raise public awareness about the ill health allegedly caused after exposure to airliner cabin air that he claimed been contaminated to toxic levels, by engine oil leaking into the... | Aerotoxic Association | [
"Engineering",
"Environmental_science"
] | 456 | [
"Toxicology",
"Aerospace engineering organizations",
"Aeronautics organizations",
"Toxicology in the United Kingdom",
"Environmental toxicology",
"Aerospace engineering"
] |
23,307,981 | https://en.wikipedia.org/wiki/Exoskeletal%20engine | The exoskeletal engine (ESE) is a concept in turbomachinery design. Current gas turbine engines have central rotating shafts and fan-discs and are constructed mostly from heavy metals. They require lubricated bearings and need extensive cooling for hot components. They are also subject to severe imbalance (or vibration... | Exoskeletal engine | [
"Physics",
"Technology"
] | 988 | [
"Machines",
"Engines",
"Physical systems",
"Jet engines",
"Aircraft engines"
] |
26,198,205 | https://en.wikipedia.org/wiki/C22H30O6 | {{DISPLAYTITLE:C22H30O6}}
The molecular formula C22H30O6 (molar mass: 390.47 g/mol, exact mass: 390.2042 u) may refer to:
Megaphone (molecule)
Pregomisin
Prostratin
Molecular formulas | C22H30O6 | [
"Physics",
"Chemistry"
] | 65 | [
"Molecules",
"Set index articles on molecular formulas",
"Isomerism",
"Molecular formulas",
"Matter"
] |
26,201,453 | https://en.wikipedia.org/wiki/Prepolymer | In polymer chemistry, the term prepolymer or pre-polymer, refers to a monomer or system of monomers that have been reacted to an intermediate-molecular mass state. This material is capable of further polymerization by reactive groups to a fully cured, high-molecular-mass state. As such, mixtures of reactive polymers wi... | Prepolymer | [
"Physics",
"Chemistry",
"Materials_science"
] | 442 | [
"Synthetic resins",
"Synthetic materials",
"Unsolved problems in physics",
"Polymer chemistry",
"Polymers",
"Amorphous solids",
"Plastics"
] |
26,201,825 | https://en.wikipedia.org/wiki/Population%20equivalent | Population equivalent (PE) or unit per capita loading, or equivalent person (EP), is a parameter for characterizing industrial wastewaters. It essentially compares the polluting potential of an industry (in terms of biodegradable organic matter) with a population (or certain number of people), which would produce the s... | Population equivalent | [
"Chemistry",
"Mathematics",
"Engineering",
"Environmental_science"
] | 1,039 | [
"Equivalent quantities",
"Water treatment",
"Quantity",
"Water pollution",
"Sewerage",
"Equivalent units",
"nan",
"Environmental engineering",
"Waste treatment technology",
"Units of measurement"
] |
26,205,878 | https://en.wikipedia.org/wiki/Dicke%20effect | In spectroscopy, the Dicke effect, also known as Dicke narrowing or sometimes collisional narrowing, named after Robert H. Dicke, refers to narrowing of the Doppler broadening of a spectral line due to collisions the emitting species (usually an atom or a molecule) experiences with other particles.
Mechanism
When the ... | Dicke effect | [
"Physics",
"Chemistry",
"Astronomy"
] | 146 | [
"Spectroscopy stubs",
"Molecular physics",
"Spectrum (physical sciences)",
"Instrumental analysis",
"Astronomy stubs",
"Molecular physics stubs",
"Spectroscopy",
"Physical chemistry stubs"
] |
26,207,504 | https://en.wikipedia.org/wiki/Single%20point%20of%20failure | A single point of failure (SPOF) is a part of a system that, if it fails, will stop the entire system from working. SPOFs are undesirable in any system with a goal of high availability or reliability, be it a business practice, software application, or other industrial system. If there is a SPOF present in a system, it... | Single point of failure | [
"Technology",
"Engineering"
] | 1,165 | [
"Systems engineering",
"Reliability engineering",
"Network architecture",
"Technological failures",
"Computer networks engineering",
"Computer systems",
"Engineering failures",
"Fault-tolerant computer systems",
"Civil engineering"
] |
28,064,235 | https://en.wikipedia.org/wiki/Mechanical%20network | A mechanical network is an abstract interconnection of mechanical elements along the lines of an electrical circuit diagram. Elements include rigid bodies, springs, dampers, transmissions, and actuators.
Network symbols
The symbols from left to right are: stiffness element (e.g. spring), mass (rigid body), mechanica... | Mechanical network | [
"Physics",
"Technology",
"Engineering"
] | 132 | [
"Physical systems",
"Machines",
"Mechanical engineering stubs",
"Mechanical engineering"
] |
28,066,105 | https://en.wikipedia.org/wiki/Atypical%20bacteria | Atypical bacteria are bacteria that do not get colored by gram-staining but rather remain colorless: they are neither Gram-positive nor Gram-negative. These include the Chlamydiaceae, Legionella and the Mycoplasmataceae (including mycoplasma and ureaplasma); the Spirochetes and Rickettsiaceae are also often considered ... | Atypical bacteria | [
"Biology"
] | 460 | [
"Bacteria organized by reaction to stain",
"Bacteria"
] |
28,068,084 | https://en.wikipedia.org/wiki/Achievement%20%28video%20games%29 | In video gaming, an achievement (or a trophy) is a meta-goal defined outside a game's parameters, a digital reward that signifies a player's mastery of a specific task or challenge within a video game. Unlike the in-game systems of quests, tasks, and/or levels that usually define the goals of a video game and have a di... | Achievement (video games) | [
"Technology"
] | 1,803 | [
"Computing terminology",
"Video game terminology"
] |
28,068,786 | https://en.wikipedia.org/wiki/Neutrino%20theory%20of%20light | The neutrino theory of light is the proposal that the photon is a composite particle formed of a neutrino–antineutrino pair. It is based on the idea that emission and absorption of a photon corresponds to the creation and annihilation of a particle–antiparticle pair. The neutrino theory of light is not currently accept... | Neutrino theory of light | [
"Physics"
] | 3,511 | [
"Physical phenomena",
"Spectrum (physical sciences)",
"Theoretical physics",
"Electromagnetic spectrum",
"Waves",
"Light",
"Obsolete theories in physics"
] |
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