id int64 39 79M | url stringlengths 31 227 | text stringlengths 6 334k | source stringlengths 1 150 ⌀ | categories listlengths 1 6 | token_count int64 3 71.8k | subcategories listlengths 0 30 |
|---|---|---|---|---|---|---|
2,952,018 | https://en.wikipedia.org/wiki/Novobiocin | Novobiocin, also known as albamycin, is an aminocoumarin antibiotic that is produced by the actinomycete Streptomyces niveus, which has recently been identified as a subjective synonym for S. spheroides a member of the class Actinomycetia. Other aminocoumarin antibiotics include clorobiocin and coumermycin A1. Novobioc... | Novobiocin | [
"Biology"
] | 1,741 | [
"Antibiotics",
"Biocides",
"Biotechnology products"
] |
2,952,019 | https://en.wikipedia.org/wiki/Acoustically%20Navigated%20Geological%20Underwater%20Survey | The Acoustically Navigated Geological Underwater Survey (ANGUS) was a deep-towed still-camera sled operated by the Woods Hole Oceanographic Institute (WHOI) in the early 1970s. It was the first unmanned research vehicle made by WHOI. ANGUS was encased in a large steel frame designed to explore rugged volcanic terrain ... | Acoustically Navigated Geological Underwater Survey | [
"Physics",
"Environmental_science"
] | 578 | [
"Oceanography",
"Hydrology",
"Applied and interdisciplinary physics"
] |
2,952,350 | https://en.wikipedia.org/wiki/Cotton%20effect | The Cotton effect in physics, is the characteristic change in optical rotatory dispersion and/or circular dichroism in the vicinity of an absorption band of a substance.
In a wavelength region where the light is absorbed, the absolute magnitude of the optical rotation at first varies rapidly with wavelength, crosses ze... | Cotton effect | [
"Physics",
"Chemistry"
] | 167 | [
" and optical physics stubs",
"Astrophysics",
" molecular",
"Atomic",
"Polarization (waves)",
"Physical chemistry stubs",
" and optical physics"
] |
2,952,362 | https://en.wikipedia.org/wiki/Stellar%20engineering | Stellar engineering is a type of engineering (currently a form of exploratory engineering) concerned with creating or modifying stars through artificial means.
While humanity does not yet possess the technological ability to perform stellar engineering of any kind, stellar manipulation (or husbandry), requiring substa... | Stellar engineering | [
"Technology"
] | 646 | [
"Exploratory engineering"
] |
2,952,363 | https://en.wikipedia.org/wiki/Optical%20rotatory%20dispersion | In optics, optical rotatory dispersion is the variation of the specific rotation of a medium with respect to the wavelength of light. Usually described by German physicist Paul Drude's empirical relation:
where is the specific rotation at temperature and wavelength , and and are constants that depend on the proper... | Optical rotatory dispersion | [
"Physics",
"Chemistry"
] | 704 | [
"Stereochemistry",
"Astrophysics",
"Space",
"nan",
"Spacetime",
"Polarization (waves)"
] |
2,952,442 | https://en.wikipedia.org/wiki/Beijing%E2%80%93Shanghai%20high-speed%20railway | The Beijing–Shanghai high-speed railway (or Jinghu high-speed railway) is a high-speed railway that connects two major economic zones in the People's Republic of China: the Bohai Economic Rim and the Yangtze River Delta.
Construction began on April 18, 2008, with the line opened to the public for commercial service on ... | Beijing–Shanghai high-speed railway | [
"Engineering"
] | 3,466 | [
"Megaprojects"
] |
2,952,567 | https://en.wikipedia.org/wiki/Gas%20engine | A gas engine is an internal combustion engine that runs on a fuel gas (a gaseous fuel), such as coal gas, producer gas, biogas, landfill gas, natural gas or hydrogen. In the United Kingdom and British English-speaking countries, the term is unambiguous. In the United States, due to the widespread use of "gas" as an abb... | Gas engine | [
"Physics",
"Technology"
] | 2,173 | [
"Physical systems",
"Machines",
"Stationary engines",
"Engines"
] |
2,952,577 | https://en.wikipedia.org/wiki/Safety%20integrity%20level | In functional safety, safety integrity level (SIL) is defined as the relative level of risk-reduction provided by a safety instrumented function (SIF), i.e. the measurement of the performance required of the SIF.
In the functional safety standards based on the IEC 61508 standard, four SILs are defined, with SIL4 being... | Safety integrity level | [
"Chemistry",
"Engineering"
] | 1,641 | [
"Chemical process engineering",
"Safety engineering",
"Process safety"
] |
2,952,636 | https://en.wikipedia.org/wiki/Orders%20of%20magnitude%20%28pressure%29 | This is a tabulated listing of the orders of magnitude in relation to pressure expressed in pascals. psi values, prefixed with + and -, denote values relative to Earth's sea level standard atmospheric pressure (psig); otherwise, psia is assumed.
References
Units of pressure
Pressure | Orders of magnitude (pressure) | [
"Mathematics"
] | 61 | [
"Quantity",
"Orders of magnitude",
"Units of measurement",
"Units of pressure"
] |
2,952,847 | https://en.wikipedia.org/wiki/Hayride | A hayride, also known as a hayrack ride, is a traditional American and Canadian activity consisting of a recreational ride in a wagon or cart pulled by a tractor, horses or a truck, which has been loaded with hay or straw for comfortable seating.
Tradition
Hayrides traditionally have been held as celebratory activitie... | Hayride | [
"Physics",
"Technology"
] | 593 | [
"Physical systems",
"Machines",
"Amusement rides"
] |
2,952,874 | https://en.wikipedia.org/wiki/Retene | Retene, methyl isopropyl phenanthrene or 1-methyl-7-isopropyl phenanthrene, C18H18, is a polycyclic aromatic hydrocarbon present in the coal tar fraction, boiling above 360 °C. It occurs naturally in the tars obtained by the distillation of resinous woods. It crystallizes in large plates, which melt at 98.5 °C and boil... | Retene | [
"Chemistry",
"Biology"
] | 391 | [
"Petroleum",
"Biomarkers",
"Petroleum products"
] |
2,953,306 | https://en.wikipedia.org/wiki/Mercedes-Benz%20COMAND | COMAND (Cockpit Management and Data system) is an in-car communications and entertainment system found on Mercedes-Benz vehicles.
COMAND features a dedicated flat display screen. It includes software features such as a GPS navigation system, address book, telephone, and radio. Various devices such as CD/DVD changers,... | Mercedes-Benz COMAND | [
"Engineering"
] | 3,022 | [
"Human–computer interaction",
"Human–machine interaction"
] |
2,953,344 | https://en.wikipedia.org/wiki/Stagnation%20pressure | In fluid dynamics, stagnation pressure, also
referred to as total pressure, is what the pressure would be if all the kinetic energy of the fluid were to be converted into pressure in a reversable manner.; it is defined as the sum of the free-stream static pressure and the free-stream dynamic pressure.
The Bernoulli eq... | Stagnation pressure | [
"Chemistry",
"Engineering"
] | 635 | [
"Piping",
"Chemical engineering",
"Fluid dynamics"
] |
2,953,441 | https://en.wikipedia.org/wiki/Canopy%20%28biology%29 | ground portion of a plant cropping or crop, formed by the collection of individual plant crowns. In forest ecology, the canopy is the upper layer or habitat zone, formed by mature tree crowns and including other biological organisms (epiphytes, lianas, arboreal animals, etc..). The communities that inhabit the canopy l... | Canopy (biology) | [
"Biology"
] | 869 | [
"Botanical terminology"
] |
2,953,519 | https://en.wikipedia.org/wiki/Spring-gun | A spring-gun, booby trap gun etc. is a gun, often a shotgun, rigged to fire when a string or other triggering device is tripped by contact of sufficient force to "spring" the trigger so that anyone stumbling over or treading on it would discharge the gun. Setting or maintaining a spring-gun is illegal in many places.
... | Spring-gun | [
"Engineering"
] | 880 | [
"Area denial weapons",
"Military engineering"
] |
2,953,922 | https://en.wikipedia.org/wiki/Microcrystalline%20wax | Microcrystalline waxes are a type of wax produced by de-oiling petrolatum, as part of the petroleum refining process. In contrast to the more familiar paraffin wax which contains mostly unbranched alkanes, microcrystalline wax contains a higher percentage of isoparaffinic (branched) hydrocarbons and naphthenic hydrocar... | Microcrystalline wax | [
"Physics",
"Chemistry"
] | 1,196 | [
"Petroleum products",
"Petroleum",
"Materials",
"Matter",
"Waxes"
] |
2,954,049 | https://en.wikipedia.org/wiki/Iterative%20learning%20control | Iterative Learning Control (ILC) is an open-loop control approach of tracking control for systems that work in a repetitive mode. Examples of systems that operate in a repetitive manner include robot arm manipulators, chemical batch processes and reliability testing rigs. In each of these tasks the system is required t... | Iterative learning control | [
"Mathematics"
] | 377 | [
"Applied mathematics",
"Control theory",
"Dynamical systems"
] |
2,954,177 | https://en.wikipedia.org/wiki/Piranha%20solution | Piranha solution, also known as piranha etch, is a mixture of sulfuric acid () and hydrogen peroxide (). The resulting mixture is used to clean organic residues off substrates, for example silicon wafers. Because the mixture is a strong oxidizing agent, it will decompose most organic matter, and it will also hydroxyla... | Piranha solution | [
"Chemistry"
] | 2,348 | [
"Cleaning products",
"Oxidizing mixtures",
"Oxidizing agents",
"Products of chemical industry"
] |
2,954,244 | https://en.wikipedia.org/wiki/Filtered%20algebra | In mathematics, a filtered algebra is a generalization of the notion of a graded algebra. Examples appear in many branches of mathematics, especially in homological algebra and representation theory.
A filtered algebra over the field is an algebra over that has an increasing sequence of subspaces of such that
... | Filtered algebra | [
"Mathematics"
] | 399 | [
"Mathematical structures",
"Algebras",
"Fields of abstract algebra",
"Category theory",
"Algebraic structures",
"Homological algebra"
] |
2,954,287 | https://en.wikipedia.org/wiki/Objectory | Objectory is an object-oriented methodology mostly created by Ivar Jacobson, who has greatly contributed to object-oriented software engineering.
The framework of objectory is a design technique called design with building blocks. With the building block technique, a system is viewed as a system of connecting blocks w... | Objectory | [
"Engineering"
] | 129 | [
"Software engineering",
"Software engineering stubs"
] |
2,954,685 | https://en.wikipedia.org/wiki/Povarov%20reaction | The Povarov reaction is an organic reaction described as a formal cycloaddition between an aromatic imine and an alkene. The imine in this organic reaction is a condensation reaction product from an aniline type compound and a benzaldehyde type compound. The alkene must be electron rich which means that functional grou... | Povarov reaction | [
"Chemistry"
] | 774 | [
"Name reactions"
] |
2,954,769 | https://en.wikipedia.org/wiki/Acceptance%20and%20commitment%20therapy | Acceptance and commitment therapy (ACT, typically pronounced as the word "act") is a form of psychotherapy, as well as a branch of clinical behavior analysis. It is an empirically-based psychological intervention that uses acceptance and mindfulness strategies along with commitment and behavior-change strategies to inc... | Acceptance and commitment therapy | [
"Biology"
] | 3,556 | [
"Behavior",
"Behaviorism"
] |
2,954,809 | https://en.wikipedia.org/wiki/Ear%20tag | An ear tag is a plastic or metal object used for identification of domestic livestock. If the ear tag uses Radio Frequency Identification Device (RFID) technology it is referred to as an electronic ear tag. Electronic ear tags conform to international standards ISO 11784 and ISO 11785 working at 134.2 kHz, as well as ... | Ear tag | [
"Engineering",
"Biology"
] | 1,985 | [
"Radio-frequency identification",
"Radio electronics",
"Animal equipment",
"Animals"
] |
2,954,872 | https://en.wikipedia.org/wiki/Throat%20lozenge | A throat lozenge (also known as a cough drop, sore throat sweet, troche, cachou, pastille or cough sweet) is a small, typically medicated tablet intended to be dissolved slowly in the mouth to temporarily stop coughs, lubricate, and soothe irritated tissues of the throat (usually due to a sore throat or strep throat), ... | Throat lozenge | [
"Chemistry"
] | 492 | [
"Pharmacology",
"Drug delivery devices"
] |
2,955,066 | https://en.wikipedia.org/wiki/Silicon%20alkoxide | Silicon alkoxides are a group of alkoxides, chemical compounds of silicon and an alcohol, with the formula .
Silicon alkoxides are important precursors for the manufacture of silica-based aerogels.
References
Alkoxides
Silicate esters | Silicon alkoxide | [
"Chemistry"
] | 59 | [
"Alkoxides",
"Functional groups",
"Organic compounds",
"Bases (chemistry)",
"Organic compound stubs",
"Organic chemistry stubs"
] |
2,955,185 | https://en.wikipedia.org/wiki/Run-Time%20Abstraction%20Services | Run-Time Abstraction Services (RTAS) is run-time firmware that provides abstraction to the operating systems running on IBM System i and IBM System p computers.
It contrasts with Open Firmware, in that the latter is usually used only during boot, while RTAS is used during run-time.
Later it was renamed to Open Power ... | Run-Time Abstraction Services | [
"Technology"
] | 99 | [
"Computing stubs"
] |
2,955,276 | https://en.wikipedia.org/wiki/Enol%20ether | In organic chemistry an enol ether is an alkene with an alkoxy substituent. The general structure is R2C=CR-OR where R = H, alkyl or aryl. A common subfamily of enol ethers are vinyl ethers, with the formula ROCH=CH2. Important enol ethers include the reagent 3,4-dihydropyran and the monomers methyl vinyl ether and eth... | Enol ether | [
"Chemistry"
] | 674 | [
"Functional groups"
] |
2,955,396 | https://en.wikipedia.org/wiki/Ethylenediamine | Ethylenediamine (abbreviated as en when a ligand) is the organic compound with the formula C2H4(NH2)2. This colorless liquid with an ammonia-like odor is a basic amine. It is a widely used building block in chemical synthesis, with approximately 500,000 tonnes produced in 1998. Ethylenediamine is the first member of th... | Ethylenediamine | [
"Chemistry"
] | 1,479 | [
"Fuel antioxidants",
"Products of chemical industry",
"Organic compounds with 2 carbon atoms",
"Organic compounds",
"Corrosion inhibitors",
"Chelating agents",
"Commodity chemicals",
"Process chemicals"
] |
2,955,643 | https://en.wikipedia.org/wiki/Diethylenetriamine | Diethylenetriamine (abbreviated Dien or DETA) and also known as 2,2’-Iminodi(ethylamine)) is an organic compound with the formula HN(CH2CH2NH2)2. This colourless hygroscopic liquid is soluble in water and polar organic solvents, but not simple hydrocarbons. Diethylenetriamine is structural analogue of diethylene glyco... | Diethylenetriamine | [
"Chemistry"
] | 427 | [
"Chelating agents",
"Process chemicals"
] |
2,955,674 | https://en.wikipedia.org/wiki/Triethylenetetramine | {{chembox
| Watchedfields = changed
| verifiedrevid = 470614378
| ImageFile = N1,N1'-(ethane-1,2-diyl)bis(ethane-1,2-diamine) 200.svg
| ImageFile_Ref =
| ImageSize = 220
| ImageName = Skeletal formula of triethylenetetramine
| ImageFile1 = Triethylenetetramine-3D-balls.png
| ImageFile1_Ref =
| ImageSize1 = 220
| Imag... | Triethylenetetramine | [
"Chemistry"
] | 1,108 | [
"Chelating agents",
"Process chemicals"
] |
2,955,810 | https://en.wikipedia.org/wiki/Glomeromycota | Glomeromycota (often referred to as glomeromycetes, as they include only one class, Glomeromycetes) are one of eight currently recognized divisions within the kingdom Fungi, with approximately 230 described species. Members of the Glomeromycota form arbuscular mycorrhizas (AMs) with the thalli of bryophytes and the roo... | Glomeromycota | [
"Biology"
] | 1,507 | [
"Fungi",
"Eukaryotes by classification",
"Soil biology",
"Fungi by classification"
] |
2,955,843 | https://en.wikipedia.org/wiki/Satplan | Satplan (better known as Planning as Satisfiability) is a method for automated planning. It converts the planning problem instance into an instance of the Boolean satisfiability problem, which is then solved using a method for establishing satisfiability such as the DPLL algorithm or WalkSAT.
Given a problem instance ... | Satplan | [
"Technology"
] | 354 | [
"Computing stubs",
"Computer science",
"Computer science stubs"
] |
2,955,951 | https://en.wikipedia.org/wiki/Grid-leak%20detector | A grid leak detector is an electronic circuit that demodulates an amplitude modulated alternating current and amplifies the recovered modulating voltage. The circuit utilizes the non-linear cathode to control grid conduction characteristic and the amplification factor of a vacuum tube. Invented by Lee De Forest around ... | Grid-leak detector | [
"Physics",
"Technology",
"Engineering"
] | 1,931 | [
"Information and communications technology",
"Radio electronics",
"Telecommunications engineering",
"Analog circuits",
"Vacuum tubes",
"Vacuum",
"Radio technology",
"Electronic engineering",
"Matter"
] |
2,955,960 | https://en.wikipedia.org/wiki/Social-desirability%20bias | In social science research social-desirability bias is a type of response bias that is the tendency of survey respondents to answer questions in a manner that will be viewed favorably by others. It can take the form of over-reporting "good behavior" or under-reporting "bad" or undesirable behavior. The tendency poses a... | Social-desirability bias | [
"Mathematics",
"Biology"
] | 2,630 | [
"Behavior",
"Conformity",
"Statistical concepts",
"Experimental bias",
"Human behavior"
] |
2,956,219 | https://en.wikipedia.org/wiki/Post%E2%80%93earnings-announcement%20drift | In financial economics and accounting research, post–earnings-announcement drift or PEAD (also named the SUE effect) is the tendency for a stock’s cumulative abnormal returns to drift in the direction of an earnings surprise for several weeks (even several months) following an earnings announcement.
Cause and effect
O... | Post–earnings-announcement drift | [
"Biology"
] | 463 | [
"Behavioral finance",
"Behavior",
"Human behavior"
] |
2,956,278 | https://en.wikipedia.org/wiki/Vascular%20bundle | A vascular bundle is a part of the transport system in vascular plants. The transport itself happens in the stem, which exists in two forms: xylem and phloem. Both these tissues are present in a vascular bundle, which in addition will include supporting and protective tissues. There is also a tissue between xylem and p... | Vascular bundle | [
"Biology"
] | 442 | [
"Plant physiology",
"Plants"
] |
2,956,372 | https://en.wikipedia.org/wiki/Foot%20per%20second | The foot per second (plural feet per second) is a unit of both speed (scalar) and velocity (vector quantity, which includes direction). It expresses the distance in feet (ft) traveled or displaced, divided by the time in seconds (s). The corresponding unit in the International System of Units (SI) is the meter per seco... | Foot per second | [
"Mathematics"
] | 121 | [
"Quantity",
"Units of velocity",
"Units of measurement"
] |
2,956,374 | https://en.wikipedia.org/wiki/Navigational%20Aids%20for%20the%20History%20of%20Science%2C%20Technology%2C%20and%20the%20Environment%20Project | The Navigational Aids for the History of Science, Technology, and the Environment Project (NAHSTE) was a research archives/manuscripts cataloguing project based at the University of Edinburgh. Following a proposal led by Arnott Wilson in 1999, the project received £261,755 funding from the Research Support Libraries P... | Navigational Aids for the History of Science, Technology, and the Environment Project | [
"Technology"
] | 227 | [
"Computing stubs",
"World Wide Web stubs"
] |
2,956,700 | https://en.wikipedia.org/wiki/Whitespace%20character | A whitespace character is a character data element that represents white space when text is
rendered for display by a computer.
For example, a space character (, ASCII 32) represents blank space such as a word divider in a Western script.
A printable character results in output when rendered,
but a whitespace charact... | Whitespace character | [
"Technology"
] | 2,494 | [
"Natural language and computing",
"Character encoding"
] |
4,060,393 | https://en.wikipedia.org/wiki/Intracrine | Intracrine refers to a hormone that acts inside a cell, regulating intracellular events. In simple terms it means that the cell stimulates itself by cellular production of a factor that acts within the cell. Steroid hormones act through intracellular (mostly nuclear) receptors and, thus, may be considered to be intracr... | Intracrine | [
"Biology"
] | 739 | [
"Cell biology"
] |
4,060,966 | https://en.wikipedia.org/wiki/Leukocyte-promoting%20factor | Leukocyte-promoting factor, more commonly known as leukopoietin, is a category of substances produced by neutrophils when they encounter a foreign antigen. Leukopoietin stimulates the bone marrow to increase the rate of leukopoiesis in order to replace the neutrophils that will inevitably be lost when they begin to pha... | Leukocyte-promoting factor | [
"Chemistry",
"Biology"
] | 188 | [
"Biotechnology stubs",
"Signal transduction",
"Biochemistry stubs",
"Cytokines",
"Biochemistry"
] |
4,061,565 | https://en.wikipedia.org/wiki/Charge%20sharing | Charge sharing is an effect of signal degradation through transfer of charges from one electronic domain to another.
Charge sharing in semiconductor radiation detectors
In pixelated semiconductor radiation detectors - such as photon-counting or hybrid-pixel-detectors, charge sharing refers to the diffusion of electri... | Charge sharing | [
"Engineering"
] | 655 | [
"Electronic engineering",
"Digital electronics"
] |
4,061,679 | https://en.wikipedia.org/wiki/Pieter%20Van%20den%20Abeele | Pieter Van den Abeele is a computer programmer, and the founder of the PowerPC-version of Gentoo Linux, a foundation connected with a distribution of the Linux computer operating system. He founded Gentoo for OS X, for which he received a scholarship by Apple Computer. In 2004 Pieter was invited to the OpenSolaris pilo... | Pieter Van den Abeele | [
"Technology"
] | 296 | [
"People in information technology",
"Information technology"
] |
4,061,767 | https://en.wikipedia.org/wiki/Heaviside%E2%80%93Lorentz%20units | Heaviside–Lorentz units (or Lorentz–Heaviside units) constitute a system of units and quantities that extends the CGS with a particular set of equations that defines electromagnetic quantities, named for Oliver Heaviside and Hendrik Antoon Lorentz. They share with the CGS-Gaussian system that the electric constant and... | Heaviside–Lorentz units | [
"Physics"
] | 1,939 | [
"Electromagnetism",
"Physical phenomena",
"Special relativity",
"Fundamental interactions",
"Theory of relativity"
] |
4,062,159 | https://en.wikipedia.org/wiki/Ranelic%20acid | Ranelic acid is an organic acid capable of chelating metal cations.
It forms the ranelate ion, C12H6N2O8S4−. Strontium ranelate, the strontium salt of ranelic acid, is a drug used to treat osteoporosis and increase bone mineral density (BMD).
References
Carboxylic acids
Nitriles
Thiophenes
Amines | Ranelic acid | [
"Chemistry"
] | 92 | [
"Carboxylic acids",
"Functional groups",
"Amines",
"Nitriles",
"Bases (chemistry)"
] |
4,062,370 | https://en.wikipedia.org/wiki/American%20Institute%20of%20Mining%2C%20Metallurgical%2C%20and%20Petroleum%20Engineers | The American Institute of Mining, Metallurgical, and Petroleum Engineers (AIME) is a professional association for mining and metallurgy, with over 145,000 members. The association was founded in 1871 by 22 mining engineers in Wilkes-Barre, Pennsylvania, and was one of the first national engineering societies in the co... | American Institute of Mining, Metallurgical, and Petroleum Engineers | [
"Chemistry",
"Materials_science",
"Engineering"
] | 1,480 | [
"Mining engineering",
"Metallurgy",
"Petroleum engineering",
" and Petroleum Engineers",
"American Institute of Mining",
" Metallurgical"
] |
4,062,415 | https://en.wikipedia.org/wiki/International%20Chemical%20Safety%20Cards | International Chemical Safety Cards (ICSC) are data sheets intended to provide essential safety and health information on chemicals in a clear and concise way. The primary aim of the Cards is to promote the safe use of chemicals in the workplace and the main target users are therefore workers and those responsible for ... | International Chemical Safety Cards | [
"Chemistry"
] | 1,358 | [
"Chemical safety",
"Chemical accident",
"nan"
] |
4,062,502 | https://en.wikipedia.org/wiki/Zero-product%20property | In algebra, the zero-product property states that the product of two nonzero elements is nonzero. In other words,
This property is also known as the rule of zero product, the null factor law, the multiplication property of zero, the nonexistence of nontrivial zero divisors, or one of the two zero-factor properties. ... | Zero-product property | [
"Mathematics"
] | 971 | [
"Algebra",
"Ring theory",
"Elementary algebra",
"Elementary mathematics",
"Fields of abstract algebra",
"Abstract algebra"
] |
4,062,527 | https://en.wikipedia.org/wiki/International%20Programme%20on%20Chemical%20Safety | The International Programme on Chemical Safety (IPCS) was formed in 1980 and is a collaboration between three United Nations bodies, the World Health Organization, the International Labour Organization and the United Nations Environment Programme, to establish a scientific basis for safe use of chemicals and to strengt... | International Programme on Chemical Safety | [
"Chemistry"
] | 181 | [
"nan",
"Chemical accident",
"Chemical safety"
] |
4,062,863 | https://en.wikipedia.org/wiki/Content-addressable%20storage | Content-addressable storage (CAS), also referred to as content-addressed storage or fixed-content storage, is a way to store information so it can be retrieved based on its content, not its name or location. It has been used for high-speed storage and retrieval of fixed content, such as documents stored for compliance ... | Content-addressable storage | [
"Technology"
] | 3,672 | [
"Computer storage devices",
"Recording devices"
] |
4,062,914 | https://en.wikipedia.org/wiki/Swedish%20Meteorological%20and%20Hydrological%20Institute | The Swedish Meteorological and Hydrological Institute (, SMHI) is a Swedish government agency and operates under the Ministry of Climate and Enterprise. SMHI has expertise within the areas of meteorology, hydrology and oceanography, and has extensive service and business operations within these areas.
History
On 1 Ja... | Swedish Meteorological and Hydrological Institute | [
"Chemistry",
"Engineering",
"Environmental_science"
] | 716 | [
"Hydrology",
"Atmospheric dispersion modeling",
"Environmental engineering",
"Hydrology organizations",
"Environmental modelling",
"National meteorological and hydrological services"
] |
4,062,934 | https://en.wikipedia.org/wiki/Phenomics | Phenomics is the systematic study of traits that make up an organisms phenotype,
which changes over time, due to development and aging or through metamorphosis such as when a caterpillar changes into a butterfly. The term phenomics was coined by UC Berkeley and LBNL scientist Steven A. Garan. As such, it is a transd... | Phenomics | [
"Biology"
] | 747 | [
"Bioinformatics",
"Omics",
"nan"
] |
4,062,960 | https://en.wikipedia.org/wiki/Particle%20aggregation | Particle agglomeration refers to the formation of assemblages in a suspension and represents a mechanism leading to the functional destabilization of colloidal systems. During this process, particles dispersed in the liquid phase stick to each other, and spontaneously form irregular particle assemblages, flocs, or aggl... | Particle aggregation | [
"Physics",
"Chemistry",
"Materials_science",
"Engineering"
] | 2,903 | [
"Colloidal chemistry",
"Applied and interdisciplinary physics",
"Materials science",
"Colloids",
"Surface science",
"nan"
] |
4,063,091 | https://en.wikipedia.org/wiki/Thermal%20physics | Thermal physics is the combined study of thermodynamics, statistical mechanics, and kinetic theory of gases. This umbrella-subject is typically designed for physics students and functions to provide a general introduction to each of three core heat-related subjects. Other authors, however, define thermal physics loos... | Thermal physics | [
"Physics",
"Chemistry",
"Mathematics"
] | 371 | [
"Applied and interdisciplinary physics",
"Thermodynamics",
"Physics education",
"Dynamical systems"
] |
4,063,505 | https://en.wikipedia.org/wiki/NGC%204038%20Group | The NGC 4038 Group is a group of galaxies in the constellations Corvus and Crater. The group may contain between 13 and 27 galaxies. The group's best known galaxies are the Antennae Galaxies (NGC 4038/NGC4039), a well-known interacting pair of galaxies.
Members
The table below lists galaxies that have been consiste... | NGC 4038 Group | [
"Astronomy"
] | 242 | [
"Galaxy clusters",
"Constellations",
"Corvus (constellation)",
"Crater (constellation)",
"Astronomical objects"
] |
4,063,872 | https://en.wikipedia.org/wiki/C/1948%20V1 | The Eclipse Comet of 1948, formally known as C/1948 V1, was an especially bright comet discovered during a solar eclipse on November 1, 1948. Although there have been several comets that have been seen during solar eclipses, the Eclipse Comet of 1948 is perhaps the best-known; it was however, best viewed only from the... | C/1948 V1 | [
"Astronomy"
] | 166 | [
"Astronomy stubs",
"Comet stubs"
] |
4,064,177 | https://en.wikipedia.org/wiki/Aqueduct%20of%20Segovia | The Aqueduct of Segovia () is a Roman aqueduct in Segovia, Spain. It was built around the first century AD to channel water from springs in the mountains away to the city's fountains, public baths and private houses, and was in use until 1973. Its elevated section, with its complete arcade of 167 arches, is one of the... | Aqueduct of Segovia | [
"Engineering"
] | 1,632 | [
"Civil engineering",
"Historic Civil Engineering Landmarks"
] |
4,064,391 | https://en.wikipedia.org/wiki/Advanced%20Digital%20Information%20Corporation | Advanced Digital Information Corporation (ADIC) was an American manufacturer of tape libraries and storage management software which is now part of Quantum Corp. Their product line included both hardware, such as the Scalar line of robotic tape libraries, and software, such as the StorNext File System and the StorNext... | Advanced Digital Information Corporation | [
"Technology"
] | 173 | [
"Computing stubs",
"Computer company stubs"
] |
4,064,439 | https://en.wikipedia.org/wiki/Free%20entropy | A thermodynamic free entropy is an entropic thermodynamic potential analogous to the free energy. Also known as a Massieu, Planck, or Massieu–Planck potentials (or functions), or (rarely) free information. In statistical mechanics, free entropies frequently appear as the logarithm of a partition function. The Onsager r... | Free entropy | [
"Physics"
] | 509 | [
"Statistical mechanics",
"Entropy",
"Physical quantities",
"Thermodynamic entropy"
] |
4,065,365 | https://en.wikipedia.org/wiki/Carlson%27s%20theorem | In mathematics, in the area of complex analysis, Carlson's theorem is a uniqueness theorem which was discovered by Fritz David Carlson. Informally, it states that two different analytic functions which do not grow very fast at infinity can not coincide at the integers. The theorem may be obtained from the Phragmén–Lind... | Carlson's theorem | [
"Mathematics"
] | 553 | [
"Theorems in mathematical analysis",
"Mathematical analysis",
"Factorial and binomial topics",
"Theorems in complex analysis",
"Finite differences",
"Combinatorics"
] |
4,065,640 | https://en.wikipedia.org/wiki/CRC%20Oil%20Storage%20Depot | CRC Oil Storage Depot was one of five oil terminals in Hong Kong and owned by China Resources Petroleum Company Limited (CRC).
See also
Energy in Hong Kong
References
External links
Texaco Oil Depot [1936-1988]. Contains a list of former oil depots in Hong Kong.
Tsing Yi
Oil terminals
Energy infrastructure in Hon... | CRC Oil Storage Depot | [
"Chemistry"
] | 70 | [
"Petroleum",
"Petroleum stubs"
] |
4,065,906 | https://en.wikipedia.org/wiki/Radio%20SHARK | radio SHARK (the capitalization is a trademarked logotype) is a computer-controlled radio designed by Griffin Technology, introduced in late 2004. A second generation (radio SHARK 2) superseded it in 2007; they are distinguishable by color (the first model is white, the second is black). The radio connects the computer... | Radio SHARK | [
"Technology"
] | 417 | [
"Computer peripherals",
"Components"
] |
4,066,001 | https://en.wikipedia.org/wiki/%CE%A9-consistent%20theory | In mathematical logic, an ω-consistent (or omega-consistent, also called numerically segregative) theory is a theory (collection of sentences) that is not only (syntactically) consistent (that is, does not prove a contradiction), but also avoids proving certain infinite combinations of sentences that are intuitively co... | Ω-consistent theory | [
"Mathematics"
] | 2,188 | [
"Mathematical logic",
"Proof theory"
] |
4,066,072 | https://en.wikipedia.org/wiki/Fish%20curve | A fish curve is an ellipse negative pedal curve that is shaped like a fish. In a fish curve, the pedal point is at the focus for the special case of the squared eccentricity . The parametric equations for a fish curve correspond to those of the associated ellipse.
Equations
For an ellipse with the parametric equations... | Fish curve | [
"Mathematics"
] | 181 | [
"Planes (geometry)",
"Euclidean plane geometry",
"Plane curves"
] |
4,066,199 | https://en.wikipedia.org/wiki/Frenkel%20defect | In crystallography, a Frenkel defect is a type of point defect in crystalline solids, named after its discoverer Yakov Frenkel. The defect forms when an atom or smaller ion (usually cation) leaves its place in the structure, creating a vacancy and becomes an interstitial by lodging in a nearby location. In elemental sy... | Frenkel defect | [
"Chemistry",
"Materials_science",
"Engineering"
] | 627 | [
"Crystallographic defects",
"Crystallography",
"Materials degradation",
"Materials science"
] |
4,066,270 | https://en.wikipedia.org/wiki/Rolling%20circle%20replication | Rolling circle replication (RCR) is a process of unidirectional nucleic acid replication that can rapidly synthesize multiple copies of circular molecules of DNA or RNA, such as plasmids, the genomes of bacteriophages, and the circular RNA genome of viroids. Some eukaryotic viruses also replicate their DNA or RNA via t... | Rolling circle replication | [
"Biology"
] | 2,826 | [
"Genetics techniques",
"DNA replication",
"Molecular genetics"
] |
4,066,308 | https://en.wikipedia.org/wiki/Multiple%20sequence%20alignment | Multiple sequence alignment (MSA) is the process or the result of sequence alignment of three or more biological sequences, generally protein, DNA, or RNA. These alignments are used to infer evolutionary relationships via phylogenetic analysis and can highlight homologous features between sequences. Alignments highligh... | Multiple sequence alignment | [
"Mathematics",
"Engineering",
"Biology"
] | 5,325 | [
"Genetics techniques",
"Biological engineering",
"Computational phylogenetics",
"Computational problems",
"Bioinformatics",
"Phylogenetics",
"Mathematical problems",
"NP-complete problems"
] |
4,066,459 | https://en.wikipedia.org/wiki/UnixWorld | UnixWorld (Unixworld: McGraw-Hill's magazine of open systems computing.) is a defunct magazine about Unix systems, published from May 1984 until December 1995.
References
Defunct computer magazines published in the United States
Magazines established in 1984
Magazines disestablished in 1995
Magazines published in Cal... | UnixWorld | [
"Technology"
] | 61 | [
"Computing stubs",
"Computer magazine stubs"
] |
4,066,625 | https://en.wikipedia.org/wiki/Michael%20Howard%20%28Microsoft%29 | Michael Howard (born 1965) is a software security expert from Microsoft. He is the author of several computer security books, the most famous being Michael Howard is a frequent speaker at security-related conferences and frequently publishes articles on the subject.
Books
Michael Howard, David LeBlanc : Writing Sec... | Michael Howard (Microsoft) | [
"Technology"
] | 131 | [
"Computer security stubs",
"Computing stubs"
] |
4,066,767 | https://en.wikipedia.org/wiki/Industrial%20water%20treatment | There are many uses of water in industry and, in most cases, the used water also needs treatment to render it fit for re-use or disposal. Raw water entering an industrial plant often needs treatment to meet tight quality specifications to be of use in specific industrial processes. Industrial water treatment encompasse... | Industrial water treatment | [
"Chemistry"
] | 2,204 | [
"Water treatment",
"Industrial water treatment"
] |
4,066,812 | https://en.wikipedia.org/wiki/Boiler%20water | Boiler water is liquid water within a boiler, or in associated piping, pumps and other equipment, that is intended for evaporation into steam. The term may also be applied to raw water intended for use in boilers, treated boiler feedwater, steam condensate being returned to a boiler, or boiler blowdown being removed f... | Boiler water | [
"Chemistry",
"Environmental_science"
] | 1,285 | [
"Water",
"Boilers",
"Hydrology",
"Pressure vessels"
] |
4,066,860 | https://en.wikipedia.org/wiki/Photosynthetic%20efficiency | The photosynthetic efficiency is the fraction of light energy converted into chemical energy during photosynthesis in green plants and algae. Photosynthesis can be described by the simplified chemical reaction
6 H2O + 6 CO2 + energy → C6H12O6 + 6 O2
where C6H12O6 is glucose (which is subsequently transformed into oth... | Photosynthetic efficiency | [
"Chemistry",
"Mathematics",
"Biology"
] | 2,701 | [
"Metrics",
"Ecological metrics",
"Quantity",
"Photosynthesis",
"Biochemistry"
] |
4,067,031 | https://en.wikipedia.org/wiki/Ukkonen%27s%20algorithm | In computer science, Ukkonen's algorithm is a linear-time, online algorithm for constructing suffix trees, proposed by Esko Ukkonen in 1995. The algorithm begins with an implicit suffix tree containing the first character of the string. Then it steps through the string, adding successive characters until the tree is co... | Ukkonen's algorithm | [
"Biology"
] | 1,311 | [
"Bioinformatics",
"Bioinformatics algorithms"
] |
4,067,253 | https://en.wikipedia.org/wiki/Light-addressable%20potentiometric%20sensor | A light-addressable potentiometric sensor (LAPS) is a sensor that uses light (e.g. LEDs) to select what will be measured. Light can activate carriers in semiconductors.
History
An example is the pH-sensitive LAPS (range pH4 to pH10) that uses LEDs in combination with (semi-conducting) silicon and pH-sensitive Ta2O5 ... | Light-addressable potentiometric sensor | [
"Technology",
"Engineering"
] | 286 | [
"Sensors",
"Measuring instruments"
] |
4,067,466 | https://en.wikipedia.org/wiki/Sort%20%28C%2B%2B%29 | sort is a generic function in the C++ Standard Library for doing comparison sorting. The function originated in the Standard Template Library (STL).
The specific sorting algorithm is not mandated by the language standard and may vary across implementations, but the worst-case asymptotic complexity of the function is s... | Sort (C++) | [
"Mathematics"
] | 1,448 | [
"Order theory",
"Sorting algorithms"
] |
4,067,857 | https://en.wikipedia.org/wiki/NAT%20Port%20Mapping%20Protocol | NAT Port Mapping Protocol (NAT-PMP) is a network protocol for establishing network address translation (NAT) settings and port forwarding configurations automatically without user effort. The protocol automatically determines the external IPv4 address of a NAT gateway, and provides means for an application to communica... | NAT Port Mapping Protocol | [
"Technology"
] | 339 | [
"Computing stubs",
"Computer network stubs"
] |
4,067,918 | https://en.wikipedia.org/wiki/Vertical%20and%20horizontal%20bundles | In mathematics, the vertical bundle and the horizontal bundle are vector bundles associated to a smooth fiber bundle. More precisely, given a smooth fiber bundle , the vertical bundle and horizontal bundle are subbundles of the tangent bundle of whose Whitney sum satisfies . This means that, over each point , the f... | Vertical and horizontal bundles | [
"Mathematics"
] | 1,424 | [
"Topology",
"Differential topology"
] |
4,068,024 | https://en.wikipedia.org/wiki/Diploma%20in%20Digital%20Applications | In England, Wales, Northern Ireland and the Isle of Man, the Diploma in Digital Applications (DiDA) was an optional information and communication technology (ICT) course, usually studied by Key Stage 4 or equivalent school students (aged 14–16). DiDA was introduced in 2005 (after a pilot starting in 2004) as a creation... | Diploma in Digital Applications | [
"Technology"
] | 1,300 | [
"Computer occupations",
"Information technology qualifications"
] |
4,068,475 | https://en.wikipedia.org/wiki/ATEX%20directives | The ATEX directives are two of the EU directives describing the minimum safety requirements for workplaces and equipment used in explosive atmospheres. The name is an initialization of the term ATmosphères EXplosibles (French for "explosive atmospheres").
Directives
Organizations in the EU must follow Directives to ... | ATEX directives | [
"Chemistry",
"Mathematics",
"Engineering"
] | 1,761 | [
"Explosion protection",
"Regulation of chemicals in the European Union",
"Regulation of chemicals",
"Natural gas safety",
"Symbols",
"Combustion engineering",
"Natural gas technology",
"Explosions",
"Certification marks"
] |
4,068,867 | https://en.wikipedia.org/wiki/Projective%20cone | A projective cone (or just cone) in projective geometry is the union of all lines that intersect a projective subspace R (the apex of the cone) and an arbitrary subset A (the basis) of some other subspace S, disjoint from R.
In the special case that R is a single point, S is a plane, and A is a conic section on S, t... | Projective cone | [
"Mathematics"
] | 292 | [
"Geometry",
"Geometry stubs"
] |
5,417,532 | https://en.wikipedia.org/wiki/1-Butanol | 1-Butanol, also known as butan-1-ol or n-butanol, is a primary alcohol with the chemical formula C4H9OH and a linear structure. Isomers of 1-butanol are isobutanol, butan-2-ol and tert-butanol. The unmodified term butanol usually refers to the straight chain isomer.
1-Butanol occurs naturally as a minor product of the... | 1-Butanol | [
"Biology"
] | 1,603 | [
"Hypnotics",
"Behavior",
"Sleep"
] |
5,419,082 | https://en.wikipedia.org/wiki/Ettore%20Perazzoli | Ettore Perazzoli (June 15, 1974 - December 10, 2003) was an Italian free software developer.
Biography
Born in Milan, Italy, he studied Engineering at the Politecnico di Milano university. He wrote a port of x64, a Commodore 64 emulator for Unix, to DOS, thus turning it into a cross-platform emulator, which was rename... | Ettore Perazzoli | [
"Technology"
] | 300 | [
"Computing stubs",
"Computer specialist stubs"
] |
5,419,130 | https://en.wikipedia.org/wiki/Lipid%20signaling | Lipid signaling, broadly defined, refers to any biological cell signaling event involving a lipid messenger that binds a protein target, such as a receptor, kinase or phosphatase, which in turn mediate the effects of these lipids on specific cellular responses. Lipid signaling is thought to be qualitatively different f... | Lipid signaling | [
"Chemistry",
"Biology"
] | 5,567 | [
"Biochemistry",
"Neurochemistry",
"Signal transduction"
] |
5,419,330 | https://en.wikipedia.org/wiki/Bancroft%20rule | The Bancroft rule in colloidal chemistry states: "The phase in which an emulsifier is more soluble constitutes the continuous phase." This means that water-soluble surfactants tend to give oil-in-water emulsions and oil-soluble surfactants give water-in-oil emulsions. It is a general rule of thumb, still used, but rega... | Bancroft rule | [
"Chemistry"
] | 475 | [
"Colloidal chemistry",
"Surface science",
"Colloids"
] |
5,419,984 | https://en.wikipedia.org/wiki/Torsion%20pendulum%20clock | Kundo reverts here. For other use, see Kundo (disambiguation)
A torsion pendulum clock, more commonly known as an anniversary clock or 400-day clock, is a mechanical clock which keeps time with a mechanism called a torsion pendulum. This is a weighted disk or wheel, often a decorative wheel with three or four chrome b... | Torsion pendulum clock | [
"Physics"
] | 1,109 | [
"Spacetime",
"Timekeeping",
"Physical quantities",
"Time"
] |
5,420,644 | https://en.wikipedia.org/wiki/Mivacurium%20chloride | Mivacurium chloride (formerly recognized as BW1090U81, BW B1090U or BW1090U) is a short-duration non-depolarizing neuromuscular-blocking drug or skeletal muscle relaxant in the category of non-depolarizing neuromuscular-blocking drugs, used adjunctively in anesthesia to facilitate endotracheal intubation and to provide... | Mivacurium chloride | [
"Chemistry"
] | 1,673 | [
"Chlorides",
"Inorganic compounds",
"Salts"
] |
5,421,591 | https://en.wikipedia.org/wiki/Artin%20billiard | In mathematics and physics, the Artin billiard is a type of a dynamical billiard first studied by Emil Artin in 1924. It describes the geodesic motion of a free particle on the non-compact Riemann surface where is the upper half-plane endowed with the Poincaré metric and is the modular group. It can be viewed as the... | Artin billiard | [
"Mathematics"
] | 455 | [
"Functions and mappings",
"Mathematical objects",
"Ergodic theory",
"Mathematical relations",
"Chaotic maps",
"Dynamical systems"
] |
5,421,628 | https://en.wikipedia.org/wiki/Feed%20dog | A feed dog is a movable plate which pulls fabric through a sewing machine in discrete steps between stitches.
Action
A set of feed dogs typically resembles two or three short, thin metal bars, crosscut with diagonal teeth, which move both front to back and up and down in slots in a sewing machine's needle plate: front... | Feed dog | [
"Physics",
"Technology"
] | 324 | [
"Physical systems",
"Machines",
"Sewing machines"
] |
5,422,424 | https://en.wikipedia.org/wiki/Chorobates | The chorobates, described by Vitruvius in Book VIII of the De architectura, was used to measure horizontal planes and was especially important in the construction of aqueducts.
Similar to modern spirit levels, the chorobates consisted of a beam of wood 6 m in length held by two supporting legs and equipped with two pl... | Chorobates | [
"Technology",
"Engineering"
] | 692 | [
"Surveying",
"Civil engineering",
"Measuring instruments"
] |
5,422,591 | https://en.wikipedia.org/wiki/Hypoglycin%20B | Hypoglycin B is a naturally occurring organic compound in the species Blighia sapida. It is particularly concentrated in the fruit of the plant especially in the seeds. Hypoglycin B is toxic if ingested and is one of the causative agents of Jamaican vomiting sickness. It is a dipeptide of glutamic acid and hypoglycin A... | Hypoglycin B | [
"Chemistry"
] | 101 | [
"Organic compounds",
"Organic compound stubs",
"Organic chemistry stubs"
] |
5,422,778 | https://en.wikipedia.org/wiki/Cyclobutadieneiron%20tricarbonyl | Cyclobutadieneiron tricarbonyl is an organoiron compound with the formula Fe(C4H4)(CO)3. It is a yellow oil that is soluble in organic solvents. It has been used in organic chemistry as a precursor for cyclobutadiene, which is an elusive species in the free state.
Preparation and structure
Cyclobutadieneiron tricarbon... | Cyclobutadieneiron tricarbonyl | [
"Chemistry"
] | 536 | [
"Organometallic chemistry",
"Half sandwich compounds"
] |
5,423,297 | https://en.wikipedia.org/wiki/ICMP%20tunnel | An ICMP tunnel establishes a covert connection between two remote computers (a client and proxy), using ICMP echo requests and reply packets. An example of this technique is tunneling complete TCP traffic over ping requests and replies.
Technical details
ICMP tunneling works by injecting arbitrary data into an echo pa... | ICMP tunnel | [
"Engineering"
] | 689 | [
"Computer networks engineering",
"Tunneling protocols"
] |
5,423,382 | https://en.wikipedia.org/wiki/Pesticides%20Safety%20Directorate | The Pesticides Safety Directorate was an agency of the Department for Environment, Food and Rural Affairs (Defra). It was based in York, England, with about 200 scientific, policy and support staff and was responsible for the authorisation of plant protection products and, from 2005, detergents, in the United Kingdom.
... | Pesticides Safety Directorate | [
"Chemistry",
"Biology"
] | 258 | [
"Pests (organism)",
"Regulation of chemicals",
"Pesticide regulation",
"Garden pests"
] |
5,424,051 | https://en.wikipedia.org/wiki/Monogamy%20in%20animals | Some animal species have a monogamous mating system, in which pairs bond to raise offspring. This is associated, usually implicitly, with sexual monogamy.
Monogamous mating
Monogamy is defined as a pair bond between two adult animals of the same species. This pair may cohabitate in an area or territory for some durati... | Monogamy in animals | [
"Biology"
] | 5,269 | [
"Behavior",
"Animals",
"Sexuality",
"Behavioural sciences",
"Animal sexuality",
"Ethology",
"Mating systems",
"Mating",
"Evolution of animals"
] |
5,424,160 | https://en.wikipedia.org/wiki/Chevalley%20basis | In mathematics, a Chevalley basis for a simple complex Lie algebra is a basis constructed by Claude Chevalley with the property that all structure constants are integers. Chevalley used these bases to construct analogues of Lie groups over finite fields, called Chevalley groups. The Chevalley basis is the Cartan-Weyl ... | Chevalley basis | [
"Mathematics"
] | 282 | [
"Algebra stubs",
"Mathematical structures",
"Lie groups",
"Algebraic structures",
"Algebra"
] |
5,424,364 | https://en.wikipedia.org/wiki/Voigt%20effect | The Voigt effect is a magneto-optical phenomenon which rotates and elliptizes linearly polarised light sent into an optically active medium. The effect is named after the German scientist Woldemar Voigt who discovered it in vapors. Unlike many other magneto-optical effects such as the Kerr or Faraday effect which are l... | Voigt effect | [
"Physics",
"Chemistry",
"Materials_science"
] | 1,924 | [
"Physical phenomena",
"Electric and magnetic fields in matter",
"Astrophysics",
"Optical phenomena",
"Magneto-optic effects",
"Polarization (waves)"
] |
5,424,787 | https://en.wikipedia.org/wiki/Hadamard%27s%20dynamical%20system | In physics and mathematics, the Hadamard dynamical system (also called Hadamard's billiard or the Hadamard–Gutzwiller model) is a chaotic dynamical system, a type of dynamical billiards. Introduced by Jacques Hadamard in 1898, and studied by Martin Gutzwiller in the 1980s, it is the first dynamical system to be proven ... | Hadamard's dynamical system | [
"Mathematics"
] | 460 | [
"Functions and mappings",
"Mathematical objects",
"Ergodic theory",
"Mathematical relations",
"Chaotic maps",
"Dynamical systems"
] |
962,638 | https://en.wikipedia.org/wiki/Messier%2054 | Messier 54 (also known as M54 or NGC 6715) is a globular cluster in the constellation Sagittarius. It was discovered by Charles Messier in 1778 and then included in his catalog of comet-like objects.
It is easily found in the sky, being close to the star ζ Sagittarii. It is, however, not resolvable into individual st... | Messier 54 | [
"Astronomy"
] | 413 | [
"Sagittarius (constellation)",
"Constellations"
] |
962,660 | https://en.wikipedia.org/wiki/Line%2010%20%28Beijing%20Subway%29 | Line 10 of the Beijing Subway () is the second loop line in Beijing's rapid transit network as well as the second longest and most widely used line. The line is in length, and runs entirely underground through Haidian, Chaoyang and Fengtai Districts, either directly underneath or just beyond the 3rd Ring Road. The Lin... | Line 10 (Beijing Subway) | [
"Technology",
"Engineering"
] | 1,643 | [
"Siemens Mobility projects",
"Transport systems"
] |
962,678 | https://en.wikipedia.org/wiki/ESET%20NOD32 | ESET NOD32 Antivirus, commonly known as NOD32, is an antivirus software package made by the Slovak company ESET. ESET NOD32 Antivirus is sold in two editions, Home Edition and Business Edition. The Business Edition packages add ESET Remote Administrator allowing for server deployment and management, mirroring of threat... | ESET NOD32 | [
"Engineering"
] | 2,158 | [
"Cybersecurity engineering",
"Computer security software"
] |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.