id int64 580 79M | url stringlengths 31 175 | text stringlengths 9 245k | source stringlengths 1 109 | categories stringclasses 160
values | token_count int64 3 51.8k |
|---|---|---|---|---|---|
24,003,318 | https://en.wikipedia.org/wiki/C7H13N | {{DISPLAYTITLE:C7H13N}}
The molecular formula C7H13N (molar mass: 111.18 g/mol, exact mass: 111.1048 u) may refer to:
Pyrrolizidine
Quinuclidine
Molecular formulas | C7H13N | Physics,Chemistry | 62 |
21,428,515 | https://en.wikipedia.org/wiki/Natasha%20Tsakos | Natasha Tsakos is a conceptual director, interactive designer, and performance artist from Geneva, Switzerland, living in Florida. Her work explores the symbiosis of technology and live performance. She is the president and founder of NTiD inc.
Career
Tsakos is a classically trained actor, playwright and director. Sh... | Natasha Tsakos | Technology | 1,376 |
754,851 | https://en.wikipedia.org/wiki/One-parameter%20group | In mathematics, a one-parameter group or one-parameter subgroup usually means a continuous group homomorphism
from the real line (as an additive group) to some other topological group .
If is injective then , the image, will be a subgroup of that is isomorphic to as an additive group.
One-parameter groups were i... | One-parameter group | Mathematics | 867 |
31,407,915 | https://en.wikipedia.org/wiki/Sexual%20dimorphism%20in%20dinosaurs | Sexual dimorphism in dinosaurs refers to the different physical characteristics of male and female dinosaurs of the same species. This means that the male and female dinosaurs of a species may differ in size, color, shape, or they may even look like a completely different species altogether, such as in the case of the ... | Sexual dimorphism in dinosaurs | Physics,Biology | 930 |
77,531,717 | https://en.wikipedia.org/wiki/Benzgalantamine | Benzgalantamine, sold under the brand name Zunveyl, is a medication used for the treatment of mild to moderate dementia of the Alzheimer's type. It is a cholinesterase inhibitor. Benzgalantamine is a prodrug of galantamine.
The most common side effects include nausea, vomiting, diarrhea, dizziness, headache, and decre... | Benzgalantamine | Chemistry | 206 |
12,443,159 | https://en.wikipedia.org/wiki/Comprehensive%20planning | Comprehensive planning is an ordered process that determines community goals and aspirations in terms of community development. The end product is called a comprehensive plan, also known as a general plan, or master plan. This resulting document expresses and regulates public policies on transportation, utilities, land... | Comprehensive planning | Engineering | 2,650 |
40,894 | https://en.wikipedia.org/wiki/Coherence%20time | For an electromagnetic wave, the coherence time is the time over which a propagating wave (especially a laser or maser beam) may be considered coherent, meaning that its phase is, on average, predictable.
In long-distance transmission systems, the coherence time may be reduced by propagation factors such as dispersion... | Coherence time | Physics,Mathematics | 270 |
103,061 | https://en.wikipedia.org/wiki/A%20grain%20of%20salt | To take something with a "grain of salt" or "pinch of salt" is an English idiom that suggests to view something, specifically claims that may be misleading or unverified, with skepticism or not to interpret something literally.
In the old-fashioned English units of weight, a grain weighs approximately 65 mg, which i... | A grain of salt | Chemistry | 312 |
78,700,040 | https://en.wikipedia.org/wiki/Consalazinic%20acid | Consalazinic acid is a chemical compound with the molecular formula . It is classified as a depsidone and is a secondary metabolite produced by a variety of lichens.
Consalazinic acid was first isolated from Parmotrema subisidiosum and described in 1980. It has since been identified in many other lichens.
Reference... | Consalazinic acid | Chemistry | 104 |
47,318,237 | https://en.wikipedia.org/wiki/Action%20Center | Action Center is a notification center included with Windows Phone 8.1, Windows 10 and Windows 10 Mobile. It was introduced with Windows Phone 8.1 in July 2014, and was introduced to the desktop with the launch of Windows 10 on July 29, 2015.
The Action Center replaces the charms in Windows 10.
The Action Center was ... | Action Center | Technology | 364 |
29,924,238 | https://en.wikipedia.org/wiki/Tomb%20Raider%20%282013%20video%20game%29 | Tomb Raider is a 2013 action-adventure game developed by Crystal Dynamics and published by Square Enix's European branch. It is the tenth main entry and a reboot of the Tomb Raider series, acting as the first instalment in the Survivor trilogy that reconstructs the origins of Lara Croft. The game was released for PlayS... | Tomb Raider (2013 video game) | Physics | 7,007 |
371,627 | https://en.wikipedia.org/wiki/Worshipful%20Company%20of%20Salters | The Worshipful Company of Salters is one of the Great Twelve City Livery Companies, ranking 9th in order of precedence.
An ancient merchant guild associated with the salt trade, the Salters' Company originated in London as the Guild of Corpus Christi.
History and functions
The Salters' Company was first granted a R... | Worshipful Company of Salters | Chemistry | 707 |
23,536,766 | https://en.wikipedia.org/wiki/Touton%20giant%20cell | Touton giant cells are a type of multinucleated giant cell observed in a myriad of pathological disorders and conditions. Specifically, Touton giant cells are found in lipid-rich lesions such as those of fat necrosis, xanthoma, xanthelasma and xanthogranulomas. Touton giant cells are also referred to as xanthelasmati... | Touton giant cell | Biology | 1,083 |
31,586,191 | https://en.wikipedia.org/wiki/Dana%2030 | The Dana/Spicer Model 30 is an automotive axle manufactured by Dana Holding Corporation. It has been manufactured as a beam axle and independent suspension axle with several versions.
General specifications
Ring Gear measures
OEM Inner axle shaft spline count: 27
GAWR up to 2770 lbs.
Dana 30 solid axles
Dana 23
... | Dana 30 | Engineering | 212 |
39,518,173 | https://en.wikipedia.org/wiki/Dihydrodipicolinate%20synthase | 4-Hydroxy-tetrahydrodipicolinate synthase (EC 4.3.3.7, dihydrodipicolinate synthase, dihydropicolinate synthetase, dihydrodipicolinic acid synthase, L-aspartate-4-semialdehyde hydro-lyase (adding pyruvate and cyclizing), dapA (gene)) is an enzyme with the systematic name L-aspartate-4-semialdehyde hydro-lyase (adding p... | Dihydrodipicolinate synthase | Biology | 673 |
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 |
14,455,317 | https://en.wikipedia.org/wiki/Cutinase | The enzyme cutinase (systematic name: cutin hydrolase, EC 3.1.1.74) is a member of the hydrolase family. It catalyzes the following reaction:
R1COOR2 + H2O -> R1COOH + R2OH
In biological systems, the reactant carboxylic ester is a constituent of the cutin polymer, and the hydrolysis of cutin results in the formation o... | Cutinase | Biology | 1,497 |
45,449,629 | https://en.wikipedia.org/wiki/Annual%20Review%20of%20Fluid%20Mechanics | Annual Review of Fluid Mechanics is a peer-reviewed scientific journal covering research on fluid mechanics. It is published once a year by Annual Reviews and the editors are Parviz Moin and Howard Stone. As of 2023, Annual Review of Fluid Mechanics is being published as open access, under the Subscribe to Open model.... | Annual Review of Fluid Mechanics | Chemistry | 729 |
4,599,105 | https://en.wikipedia.org/wiki/Four%20causes | The four causes or four explanations are, in Aristotelian thought, categories of questions that explain "the why's" of something that exists or changes in nature. The four causes are the: material cause, the formal cause, the efficient cause, and the final cause. Aristotle wrote that "we do not have knowledge of a thin... | Four causes | Physics | 3,918 |
48,583,431 | https://en.wikipedia.org/wiki/Conradson%20carbon%20residue | Conradson carbon residue, commonly known as "Concarbon" or "CCR", is a laboratory test used to provide an indication of the coke-forming tendencies of an oil. Quantitatively, the test measures the amount of carbonaceous residue remaining after the oil's evaporation and pyrolysis. In general, the test is applicable to p... | Conradson carbon residue | Chemistry,Engineering | 418 |
17,875,920 | https://en.wikipedia.org/wiki/APOBEC | APOBEC ("apolipoprotein B mRNA editing enzyme, catalytic polypeptide") is a family of evolutionarily conserved cytidine deaminases.
Function
A mechanism of generating protein diversity is mRNA editing. The APOBEC family of proteins perform mRNA modifications by deaminating cytidine bases to uracil. The N-terminal d... | APOBEC | Chemistry | 596 |
1,884,720 | https://en.wikipedia.org/wiki/Benzyl%20chloroformate | Benzyl chloroformate, also known as benzyl chlorocarbonate or Z-chloride, is the benzyl ester of chloroformic acid. It can be also described as the chloride of the benzyloxycarbonyl (Cbz or Z) group. In its pure form it is a water-sensitive oily colorless liquid, although impure samples usually appear yellow. It posses... | Benzyl chloroformate | Chemistry | 883 |
71,138 | https://en.wikipedia.org/wiki/Wave%20function%20collapse | In quantum mechanics, wave function collapse, also called reduction of the state vector, occurs when a wave function—initially in a superposition of several eigenstates—reduces to a single eigenstate due to interaction with the external world. This interaction is called an observation and is the essence of a measuremen... | Wave function collapse | Physics | 2,254 |
41,966,652 | https://en.wikipedia.org/wiki/NGC%20100 | NGC 100 is a galaxy located approximately 60 million light-years from the Solar System in the constellation Pisces. It has an apparent magnitude of 13.2. It was first discovered on 10 November 1885 by American astronomer Lewis Swift.
See also
List of NGC objects (1–1000)
Pisces (constellation)
References
External... | NGC 100 | Astronomy | 85 |
58,041,927 | https://en.wikipedia.org/wiki/NGC%203873 | NGC 3873 is an elliptical galaxy located about 300 million light-years away in the constellation Leo. The galaxy was discovered by astronomer Heinrich d'Arrest on May 8, 1864. NGC 3873 is a member of the Leo Cluster.
On May 15, 2007 a type Ia supernova designated as SN 2007ci was discovered in NGC 3873.
See also
NG... | NGC 3873 | Astronomy | 104 |
76,117,102 | https://en.wikipedia.org/wiki/NAURA%20Technology%20Group | NAURA Technology Group (Naura; ) is a partially state-owned publicly listed Chinese company that manufactures semiconductor chip production equipment. It is currently the largest semiconductor equipment manufacturer in China.
History
In September 2001, Beijing Electronics Holdings, a government SASAC entity initiate... | NAURA Technology Group | Engineering | 817 |
9,141,957 | https://en.wikipedia.org/wiki/Ground%20effect%20%28cars%29 | In car design, ground effect is a series of effects which have been exploited in automotive aerodynamics to create downforce, particularly in racing cars. This has been the successor to the earlier dominant aerodynamic focus on streamlining. The international Formula One series and American racing IndyCars employ groun... | Ground effect (cars) | Chemistry,Engineering | 2,700 |
15,592,339 | https://en.wikipedia.org/wiki/Data%20binding | In computer programming, data-binding is a general technique that binds data sources from the provider and consumer together and synchronizes them. This is usually done with two data/information sources with different languages, as in XML data binding and UI data binding. In UI data binding, data and information object... | Data binding | Technology | 270 |
12,464,813 | https://en.wikipedia.org/wiki/Memory%20ProteXion | For computer memory, Memory ProteXion, found in IBM xSeries servers, is a form of "redundant bit steering". This technology uses redundant bits in a data packet to recover from a DIMM failure.
Memory ProteXion is different from normal ECC error correction in that it uses only 6 bits for ECC, leaving 2 bits behind. The... | Memory ProteXion | Technology,Engineering | 213 |
66,004,557 | https://en.wikipedia.org/wiki/Cora%20G.%20Burwell | Cora Gertrude Burwell (June 25, 1883 – June 20, 1982) was an American astronomical researcher specialized in stellar spectroscopy. She was based at Mount Wilson Observatory from 1907 to 1949.
Early life
Cora Gertrude Burwell was born in Massachusetts and raised in Stafford Springs, Connecticut. She graduated from Mou... | Cora G. Burwell | Technology | 337 |
59,143,410 | https://en.wikipedia.org/wiki/Uncinocarpus%20uncinatus | Uncinocarpus uncinatus is a species of microfungi that grows on dung and other keratinous materials such as bone. It was the second species to be designated as part of the genus Uncinocarpus. The species was first described by Randolph S. Currah in 1985; synonyms include Myxotrichum uncinatum and Gymnoascus uncinatus.
... | Uncinocarpus uncinatus | Biology | 204 |
46,530,282 | https://en.wikipedia.org/wiki/Robotaxi | A robotaxi, also known as robot taxi, robo-taxi, self-driving taxi or driverless taxi, is an autonomous car (SAE automation level 4 or 5) operated for a ridesharing company.
Some studies have hypothesized that robotaxis operated in an autonomous mobility on demand (AMoD) service could be one of the most rapidly adopte... | Robotaxi | Physics,Engineering | 3,798 |
7,045 | https://en.wikipedia.org/wiki/Concorde | Concorde () is a retired Anglo-French supersonic airliner jointly developed and manufactured by Sud Aviation (later Aérospatiale) and the British Aircraft Corporation (BAC).
Studies started in 1954, and France and the United Kingdom signed a treaty establishing the development project on 29 November 1962, as the progr... | Concorde | Physics | 11,858 |
69,576,755 | https://en.wikipedia.org/wiki/Zone%20theorem | In geometry, the zone theorem is a result that establishes the complexity of the zone of a line in an arrangement of lines.
Definition
A line arrangement, denoted as , is a subdivision of the plane, induced by a set of lines , into cells (-dimensional faces), edges (-dimensional faces) and vertices (-dimensional face... | Zone theorem | Mathematics | 573 |
67,371,587 | https://en.wikipedia.org/wiki/Kirkhill%20Astronomical%20Pillar | The Kirkhill Astronomical Pillar was constructed in 1776 by David Stewart Erskine, 11th Earl of Buchan and erected in the grounds of his estate at Kirkhill House, near Broxburn, Scotland. The pillar fell into disrepair and eventually collapsed in the 1970s but fortunately the stones were preserved and the pillar was r... | Kirkhill Astronomical Pillar | Astronomy | 3,191 |
10,451,618 | https://en.wikipedia.org/wiki/Integrated%20catchment%20management | Integrated catchment management (ICM) is a subset of environmental planning which approaches sustainable resource management from a catchment perspective, in contrast to a piecemeal approach that artificially separates land management from water management.
Details
Integrated catchment management recognizes the existe... | Integrated catchment management | Chemistry,Engineering,Environmental_science | 188 |
3,352,292 | https://en.wikipedia.org/wiki/Wavelet%20transform | In mathematics, a wavelet series is a representation of a square-integrable (real- or complex-valued) function by a certain orthonormal series generated by a wavelet. This article provides a formal, mathematical definition of an orthonormal wavelet and of the integral wavelet transform.
Definition
A function is calle... | Wavelet transform | Mathematics,Technology,Engineering | 2,306 |
75,632,051 | https://en.wikipedia.org/wiki/Neptunium%28III%29%20bromide | Neptunium(III) bromide is a bromide of neptunium, with the chemical formula of NpBr3.
Preparation
Neptunium(III) bromide can be prepared by reacting neptunium dioxide and aluminium bromide:
Properties
Neptunium(III) bromide is a green solid. It can crystallize in two crystal systems:
α-NpBr3 is hexagonal with l... | Neptunium(III) bromide | Chemistry | 250 |
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 |
2,346,537 | https://en.wikipedia.org/wiki/Jackscrew | A jackscrew, or screw jack, is a type of jack that is operated by turning a leadscrew. It is commonly used to lift moderate and heavy weights, such as vehicles; to raise and lower the horizontal stabilizers of aircraft; and as adjustable supports for heavy loads, such as the foundations of houses.
Description
A screw ... | Jackscrew | Engineering | 1,439 |
8,179,780 | https://en.wikipedia.org/wiki/Clifford%20W.%20Holmes%20Award | The Clifford W. Holmes Award is presented annually near Big Bear City, California at the RTMC Astronomy Expo to an individual for a significant contribution to popularizing astronomy.
Established in 1978 by Richard Poremba as the Astronomy for America Award, it was renamed for Clifford W. Holmes, the founder of the R... | Clifford W. Holmes Award | Astronomy,Technology | 305 |
67,472,830 | https://en.wikipedia.org/wiki/Jungle%20chip | A jungle chip, or jungle IC, is an integrated circuit (IC or "chip") found in most analog televisions of the 1990s. It takes a composite video signal from the radio frequency receiver electronics and turns it into separate RGB outputs that can be sent to the cathode ray tube to produce a display. This task had previous... | Jungle chip | Technology,Engineering | 357 |
8,469,059 | https://en.wikipedia.org/wiki/TWiT.tv | TWiT.tv is a podcast network that broadcasts technology-focused podcasts, founded by broadcaster and author Leo Laporte in 2005, and run by his wife and company CEO Lisa Laporte. The network began operation in April 2005 with the launch of This Week in Tech. Security Now was the second podcast on the network, debuting ... | TWiT.tv | Technology | 856 |
23,569,604 | https://en.wikipedia.org/wiki/Hotel%20television%20systems | Hotel television systems (sometimes also referred to as hotel TV) are the in-suite television content presented in hotel rooms, other hotel environments and in the hospitality industry for in-room entertainment, as well as hospitals, assisted living, senior care and nursing homes. These services may be free for the gue... | Hotel television systems | Technology | 642 |
62,615,548 | https://en.wikipedia.org/wiki/Martin%20Medal | The Martin Medal is an award given for outstanding contributions to the advancement of separation science. The award is presented by The Chromatographic Society, a UK-based organization promoting all aspects of chromatography and related separation techniques. The award is named after Professor Archer J.P Martin, who c... | Martin Medal | Chemistry,Biology | 526 |
211,842 | https://en.wikipedia.org/wiki/Erd%C5%91s%E2%80%93Borwein%20constant | The Erdős–Borwein constant, named after Paul Erdős and Peter Borwein, is the sum of the reciprocals of the Mersenne numbers.
By definition it is:
Equivalent forms
It can be proven that the following forms all sum to the same constant:
where σ0(n) = d(n) is the divisor function, a multiplicative function that equals ... | Erdős–Borwein constant | Mathematics | 236 |
45,458,060 | https://en.wikipedia.org/wiki/End-sequence%20profiling | End-sequence profiling (ESP) (sometimes "Paired-end mapping (PEM)") is a method based on sequence-tagged connectors developed to facilitate de novo genome sequencing to identify high-resolution copy number and structural aberrations such as inversions and translocations.
Briefly, the target genomic DNA is isolated and... | End-sequence profiling | Chemistry,Biology | 1,292 |
35,443,087 | https://en.wikipedia.org/wiki/Employee%20motivation | Employee motivation is an intrinsic and internal drive to put forth the necessary effort and action towards work-related activities. It has been broadly defined as the "psychological forces that determine the direction of a person's behavior in an organisation, a person's level of effort and a person's level of persist... | Employee motivation | Biology | 4,127 |
4,838,711 | https://en.wikipedia.org/wiki/Forest%20kindergarten | Forest kindergarten is a type of preschool education for children between the ages of three and six that is held almost exclusively outdoors. Whatever the weather, children are encouraged to play, explore and learn in a forest environment. The adult supervision is meant to assist rather than lead. It is also known as W... | Forest kindergarten | Environmental_science | 1,548 |
34,211,524 | https://en.wikipedia.org/wiki/Cuphophyllus%20virgineus | Cuphophyllus virgineus is a species of agaric (gilled mushroom) in the family Hygrophoraceae. Its recommended English common name is snowy waxcap in the UK. The species has a largely north temperate distribution, occurring in grassland in Europe and in woodland in North America and northern Asia, but is also known from... | Cuphophyllus virgineus | Biology | 779 |
35,313,070 | https://en.wikipedia.org/wiki/Richard%20Handl | Richard Handl (born May 23, 1980) is a Swedish man who experimented with tritium, americium, aluminium, beryllium, thorium, radium, and uranium, with the intention to create a nuclear reaction. He acquired most of the radioactive materials from foreign companies, while assembling a collection of periodic elements. For ... | Richard Handl | Chemistry,Technology | 395 |
25,678,734 | https://en.wikipedia.org/wiki/Kepler-6b | Kepler-6b is an extrasolar planet in the orbit of the unusually metal-rich Kepler-6, a star in the field of view of the NASA-operated Kepler spacecraft, which searches for planets that cross directly in front of, or transit, their host stars. It was the third planet to be discovered by Kepler. Kepler-6 orbits its host ... | Kepler-6b | Astronomy | 855 |
2,329,092 | https://en.wikipedia.org/wiki/Noncovalent%20solid-phase%20organic%20synthesis | Noncovalent solid-phase organic synthesis (NC-SPOS) is a form of solid-phase synthesis whereby the organic substrate is bonded to the solid phase not by a covalent bond but by other chemical interactions.
Synthesis
This bond may consist of an induced dipole interaction between a hydrophobic matrix and a hydrophobic an... | Noncovalent solid-phase organic synthesis | Chemistry | 242 |
45,662,064 | https://en.wikipedia.org/wiki/Electrical%20aerosol%20spectrometer | Electrical aerosol spectrometry (EAS) is a technique for measurement of the number-size distribution of aerosol using a combination of electrical charging and multiple solid state electrometer detectors. The technique combines both diffusion and field charging regimes to cover the diameter range 10 nm to 10 μm.
Subseq... | Electrical aerosol spectrometer | Physics,Chemistry | 278 |
11,384,086 | https://en.wikipedia.org/wiki/Spin%E2%80%93spin%20relaxation | In physics, the spin–spin relaxation is the mechanism by which , the transverse component of the magnetization vector, exponentially decays towards its equilibrium value in nuclear magnetic resonance (NMR) and magnetic resonance imaging (MRI). It is characterized by the spin–spin relaxation time, known as 2, a time con... | Spin–spin relaxation | Physics,Chemistry | 1,045 |
32,069,686 | https://en.wikipedia.org/wiki/Elsevier%20Biobase | Elsevier BIOBASE is a bibliographic database covering all topics pertaining to biological research throughout the world. It was established in the 1950s in print format as Current Awareness in Biological Sciences. Temporal coverage is from 1994 to the present. The database has over 4.1 million records as of December 20... | Elsevier Biobase | Biology,Environmental_science | 202 |
12,122,459 | https://en.wikipedia.org/wiki/C2H3ClO | {{DISPLAYTITLE:C2H3ClO}}
The molecular formula C2H3ClO (molar mass: 78.50 g/mol, exact mass: 77.9872 u) may refer to:
Acetyl chloride
Chloroacetaldehyde
Chloroethylene oxide | C2H3ClO | Chemistry | 67 |
1,786,925 | https://en.wikipedia.org/wiki/Acid%20value | In chemistry, acid value (AV, acid number, neutralization number or acidity) is a number used to quantify the acidity of a given chemical substance. It is the quantity of base (usually potassium hydroxide (KOH)), expressed as milligrams of KOH required to neutralize the acidic constituents in 1 gram of a sample. The ac... | Acid value | Chemistry | 1,104 |
75,168,010 | https://en.wikipedia.org/wiki/PSR%20J1747%E2%88%922958 | PSR J1747-2958 is a young, weak, nonthermal radio pulsar with a rotation period of 98.8 ms (milliseconds). The pulsar moves at a supersonic speed through the interstellar medium forming an unusual nonthermal nebula around it. This nebula around PSR J1747-2958 is also called the "Mouse nebula" or "G359.23-0.82" and it i... | PSR J1747−2958 | Astronomy | 135 |
1,719,250 | https://en.wikipedia.org/wiki/Insulin%20glargine | Insulin glargine sold under the brand name Lantus among others is a long-acting modified form of medical insulin, used in the management of type 1 and type 2 diabetes. It is injected just under the skin. Effects generally begin an hour after use.
Common side effects include low blood sugar, problems at the site of inj... | Insulin glargine | Biology | 1,163 |
1,983,101 | https://en.wikipedia.org/wiki/Partition%20%28database%29 | A partition is a division of a logical database or its constituent elements into distinct independent parts. Database partitioning refers to intentionally breaking a large database into smaller ones for scalability purposes, distinct from network partitions which are a type of network fault between nodes. In a partitio... | Partition (database) | Engineering | 1,366 |
113,604 | https://en.wikipedia.org/wiki/Broadcasting | Broadcasting is the distribution of audio or video content to a dispersed audience via any electronic mass communications medium, but typically one using the electromagnetic spectrum (radio waves), in a one-to-many model. Broadcasting began with AM radio, which came into popular use around 1920 with the spread of vacuu... | Broadcasting | Technology | 3,899 |
61,232,022 | https://en.wikipedia.org/wiki/C17H16ClN3O2 | {{DISPLAYTITLE:C17H16ClN3O2}}
The molecular formula C17H16ClN3O2 (molar mass: 329.781 g/mol) may refer to:
Carburazepam
7-Hydroxyamoxapine
Molecular formulas | C17H16ClN3O2 | Physics,Chemistry | 63 |
62,953,266 | https://en.wikipedia.org/wiki/Chinese%20Society%20of%20Astronautics | The Chinese Society of Astronautics (; abbreviated CSA) is a professional association of individuals with an interest in space. As of 2019, the society has 38 specialized committees and 179 working committees with more than 30,000 individual members.
History
The initial concept of the Chinese Society of Astronautics w... | Chinese Society of Astronautics | Astronomy | 165 |
20,856,932 | https://en.wikipedia.org/wiki/Contingent%20value%20rights | In corporate finance,
Contingent Value Rights (CVR) are rights granted by an acquirer to a company’s shareholders, facilitating the transaction where some uncertainty is inherent.
CVRs may be separately tradeable securities;
they are occasionally acquired (or shorted) by specialized hedge funds.
Forms
These rights ... | Contingent value rights | Engineering | 515 |
18,599,326 | https://en.wikipedia.org/wiki/Xylamidine | Xylamidine is a drug which acts as an antagonist of the serotonin 5-HT2A and 5-HT2C receptors, and to a lesser extent of the serotonin 5-HT1A receptor. The drug does not cross the blood–brain barrier and hence is peripherally selective, which makes it useful for blocking peripheral serotonergic responses like cardiovas... | Xylamidine | Chemistry | 377 |
4,958,191 | https://en.wikipedia.org/wiki/Rose%20bengal | Rose bengal (4,5,6,7-tetrachloro-2',4',5',7'-tetraiodofluorescein) is a stain. Rose bengal belongs to the class of organic compounds called xanthenes. Its sodium salt is commonly used in eye drops to stain damaged conjunctival and corneal cells and thereby identify damage to the eye. The stain is also used in the pre... | Rose bengal | Chemistry | 1,257 |
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 |
42,179,990 | https://en.wikipedia.org/wiki/Per%20Vilhelm%20Br%C3%BCel | Per Vilhelm Brüel (6 March 1915 – 2 April 2015) was a Danish physicist and engineer who pioneered and made fundamental contributions to the development of the physics of sound and vibration. He also formed and founded the world's largest manufacturer and supplier of sound and vibration measurement equipment, systems a... | Per Vilhelm Brüel | Physics | 1,568 |
1,519,526 | https://en.wikipedia.org/wiki/Antitropical%20distribution | Antitropical (alternatives include biantitropical or amphitropical) distribution is a type of disjunct distribution where a species or clade exists at comparable latitudes across the equator but not in the tropics. For example, a species may be found north of the Tropic of Cancer and south of the Tropic of Capricorn, b... | Antitropical distribution | Biology | 368 |
64,959,394 | https://en.wikipedia.org/wiki/Energy%20diplomacy | Energy diplomacy is a form of diplomacy, and a subfield of international relations. It is closely related to its principal, foreign policy, and to overall national security, specifically energy security. Energy diplomacy began in the first half of the twentieth century and emerged as a term during the second oil crisis... | Energy diplomacy | Chemistry | 3,206 |
482,847 | https://en.wikipedia.org/wiki/Panchagavya | Panchagavya or panchakavyam is a mixture used in traditional Hindu rituals that is prepared by mixing five ingredients. The three direct constituents are cow dung, cow urine, and milk; the two derived products are curd and ghee. These are mixed and then allowed to ferment. The Sanskrit word panchagavya means "five cow-... | Panchagavya | Chemistry | 714 |
20,209,393 | https://en.wikipedia.org/wiki/Djenkolic%20acid | Djenkolic acid (or sometimes jengkolic acid) is a sulfur-containing non-protein amino acid naturally found in the djenkol beans of the Southeast Asian plant Archidendron jiringa. Its chemical structure is similar to cystine but contains a methylene (single carbon) unit in between the two sulfur atoms. There is about 20... | Djenkolic acid | Chemistry | 526 |
3,238,937 | https://en.wikipedia.org/wiki/Weyl%20curvature%20hypothesis | The Weyl curvature hypothesis, which arises in the application of Albert Einstein's general theory of relativity to physical cosmology, was introduced by the British mathematician and theoretical physicist Roger Penrose in an article in 1979 in an attempt to provide explanations for two of the most fundamental issues i... | Weyl curvature hypothesis | Physics,Astronomy | 443 |
68,283,515 | https://en.wikipedia.org/wiki/BIO-LGCA | In computational and mathematical biology, a biological lattice-gas cellular automaton (BIO-LGCA) is a discrete model for moving and interacting biological agents, a type of cellular automaton. The BIO-LGCA is based on the lattice-gas cellular automaton (LGCA) model used in fluid dynamics. A BIO-LGCA model describes ce... | BIO-LGCA | Physics,Materials_science,Mathematics | 2,826 |
13,871,411 | https://en.wikipedia.org/wiki/Plasma-immersion%20ion%20implantation | Plasma-immersion ion implantation (PIII) or pulsed-plasma doping (pulsed PIII) is a surface modification technique of extracting the accelerated ions from the plasma by applying a high voltage pulsed DC or pure DC power supply and targeting them into a suitable substrate or electrode with a semiconductor wafer placed ... | Plasma-immersion ion implantation | Materials_science,Mathematics,Engineering | 810 |
22,445,549 | https://en.wikipedia.org/wiki/Strong%20reciprocity | Strong reciprocity is an area of research in behavioral economics, evolutionary psychology, and evolutionary anthropology on the predisposition to cooperate even when there is no apparent benefit in doing so. This topic is particularly interesting to those studying the evolution of cooperation, as these behaviors seem ... | Strong reciprocity | Biology | 2,770 |
6,556 | https://en.wikipedia.org/wiki/Coprime%20integers | In number theory, two integers and are coprime, relatively prime or mutually prime if the only positive integer that is a divisor of both of them is 1. Consequently, any prime number that divides does not divide , and vice versa. This is equivalent to their greatest common divisor (GCD) being 1. One says also is pr... | Coprime integers | Mathematics | 2,084 |
308,474 | https://en.wikipedia.org/wiki/Non-uniform%20rational%20B-spline | Non-uniform rational basis spline (NURBS) is a mathematical model using basis splines (B-splines) that is commonly used in computer graphics for representing curves and surfaces. It offers great flexibility and precision for handling both analytic (defined by common mathematical formulae) and modeled shapes. It is a ty... | Non-uniform rational B-spline | Engineering | 4,655 |
1,343,866 | https://en.wikipedia.org/wiki/Model-based%20testing | Model-based testing is an application of model-based design for designing and optionally also executing artifacts to perform software testing or system testing. Models can be used to represent the desired behavior of a system under test (SUT), or to represent testing strategies and a test environment. The picture on th... | Model-based testing | Engineering | 1,759 |
51,516,805 | https://en.wikipedia.org/wiki/NGC%20183 | NGC 183 is an elliptical galaxy located in the constellation Andromeda. It was discovered on November 5, 1866, by Truman Safford.
References
External links
0183
Elliptical galaxies
Discoveries by Truman Safford
Andromeda (constellation)
002298 | NGC 183 | Astronomy | 55 |
11,421,724 | https://en.wikipedia.org/wiki/Small%20nucleolar%20RNA%20Z157/R69/R10 | In molecular biology, Small nucleolar RNA Z157 (homologous to R69 and R10) is a non-coding RNA (ncRNA) molecule which functions in the modification of other small nuclear RNAs (snRNAs). This type of modifying RNA is usually located in the nucleolus of the eukaryotic cell which is a major site of snRNA biogenesis. It is... | Small nucleolar RNA Z157/R69/R10 | Chemistry | 215 |
12,364,346 | https://en.wikipedia.org/wiki/C6H6O | {{DISPLAYTITLE:C6H6O}}
The molecular formula C6H6O (molar mass: 94.11 g/mol, exact mass: 94.0419 u) may refer to:
Oxanorbornadiene (OND)
Oxepin
Phenol, also called carbolic acid or phenolic acid | C6H6O | Chemistry | 75 |
14,964,610 | https://en.wikipedia.org/wiki/Seversk%20State%20Technological%20Academy | Seversk State Technological Academy (Russian: Северская государственная технологическая академия) is a post-secondary educational institution in the City of Seversk, Tomsk Oblast, Russia. The school has 1,150 students, of whom 500 study full-time and 75 professors. The rector is Aleksandr Nikolaevich Zhiganov.
Hist... | Seversk State Technological Academy | Engineering | 279 |
18,111,385 | https://en.wikipedia.org/wiki/Dihydrogen%20cation | The dihydrogen cation or hydrogen molecular ion is a cation (positive ion) with formula H2^+. It consists of two hydrogen nuclei (protons), each sharing a single electron. It is the simplest molecular ion.
The ion can be formed from the ionization of a neutral hydrogen molecule (H2) by electron impact. It is commonly ... | Dihydrogen cation | Physics,Chemistry | 3,267 |
53,765,068 | https://en.wikipedia.org/wiki/Integration%20Driven%20Development | Integration Driven Development (IDD) is an incremental approach to systems development where the contents of the increments are determined by the integration plan, rather than the opposite. The increments can be seen as defined system capability changes - "Deltas" (Taxén et al., 2011).
The advantages compared to other ... | Integration Driven Development | Engineering | 893 |
2,634,195 | https://en.wikipedia.org/wiki/Electrical%20ballast | An electrical ballast is a device placed in series with a load to limit the amount of current in an electrical circuit.
A familiar and widely used example is the inductive ballast used in fluorescent lamps to limit the current through the tube, which would otherwise rise to a destructive level due to the negative dif... | Electrical ballast | Physics,Engineering | 3,516 |
46,432,477 | https://en.wikipedia.org/wiki/Women%20in%20chemistry | This is a list of women chemists. It should include those who have been important to the development or practice of chemistry. Their research or application has made significant contributions in the area of basic or applied chemistry.
Nobel Laureates
2022 - Carolyn R. Bertozzi - for Bioorthogonal chemistry
2020 – E... | Women in chemistry | Chemistry | 3,274 |
40,392,854 | https://en.wikipedia.org/wiki/Diathermal%20wall | In thermodynamics, a diathermal wall between two thermodynamic systems allows heat transfer but does not allow transfer of matter across it.
The diathermal wall is important because, in thermodynamics, it is customary to assume a priori, for a closed system, the physical existence of transfer of energy across a wall t... | Diathermal wall | Physics,Chemistry,Mathematics | 1,867 |
58,463,477 | https://en.wikipedia.org/wiki/Ohio%20water%20resource%20region | The Ohio water resource region is one of 21 major geographic areas, or regions, in the first level of classification used by the United States Geological Survey to divide and sub-divide the United States into successively smaller hydrologic units. These geographic areas contain either the drainage area of a major river... | Ohio water resource region | Environmental_science | 211 |
78,522,963 | https://en.wikipedia.org/wiki/Matrix%20%28app%29 | Matrix was an instant messaging (IM) and communications network that was shut down by cooperation between Dutch and French police in December 2024. It was also known by the names Mactrix, Totalsec, X-Quantum and Q-Safe.
History
Dutch police discovered the network while investigating the murder of Peter de Vries in 20... | Matrix (app) | Technology,Engineering | 425 |
50,234,511 | https://en.wikipedia.org/wiki/Resistance-nodulation-cell%20division%20superfamily | Resistance-nodulation-division (RND) family transporters are a category of bacterial efflux pumps, especially identified in Gram-negative bacteria and located in the cytoplasmic membrane, that actively transport substrates. The RND superfamily includes seven families: the heavy metal efflux (HME), the hydrophobe/amphip... | Resistance-nodulation-cell division superfamily | Biology | 1,888 |
761,055 | https://en.wikipedia.org/wiki/Euler%27s%20Disk | Euler's Disk, invented between 1987 and 1990 by Joseph Bendik, is a trademarked scientific educational toy. It is used to illustrate and study the dynamic system of a spinning and rolling disk on a flat or curved surface. It has been the subject of several scientific papers. Bendik named the toy after mathematician Leo... | Euler's Disk | Physics,Mathematics | 2,636 |
2,902,847 | https://en.wikipedia.org/wiki/66%20Arietis | 66 Arietis (abbreviated 66 Ari) is a double star in the northern constellation of Aries. 66 Arietis is the Flamsteed designation. It has an apparent visual magnitude of 6.03, putting it near the limit for naked eye visibility. The magnitude 10.4 companion is located at an angular separation of 0.810 arcseconds from the... | 66 Arietis | Astronomy | 255 |
12,505 | https://en.wikipedia.org/wiki/Galilean%20moons | The Galilean moons (), or Galilean satellites, are the four largest moons of Jupiter: Io, Europa, Ganymede, and Callisto. They are the most readily visible Solar System objects after Saturn, the dimmest of the classical planets; though their closeness to bright Jupiter makes naked-eye observation very difficult, they a... | Galilean moons | Astronomy | 4,593 |
1,072,006 | https://en.wikipedia.org/wiki/Median%20%28geometry%29 | In geometry, a median of a triangle is a line segment joining a vertex to the midpoint of the opposite side, thus bisecting that side. Every triangle has exactly three medians, one from each vertex, and they all intersect at the triangle's centroid. In the case of isosceles and equilateral triangles, a median bisects a... | Median (geometry) | Mathematics | 869 |
16,673,816 | https://en.wikipedia.org/wiki/Representation%20ring | In mathematics, especially in the area of algebra known as representation theory, the representation ring (or Green ring after J. A. Green) of a group is a ring formed from all the (isomorphism classes of the) finite-dimensional linear representations of the group. Elements of the representation ring are sometimes call... | Representation ring | Mathematics | 921 |
41,078 | https://en.wikipedia.org/wiki/Duty%20cycle | A duty cycle or power cycle is the fraction of one period in which a signal or system is active. Duty cycle is commonly expressed as a percentage or a ratio. A period is the time it takes for a signal to complete an on-and-off cycle. As a formula, a duty cycle (%) may be expressed as:
Equally, a duty cycle (ratio) ma... | Duty cycle | Physics,Engineering | 846 |
226,021 | https://en.wikipedia.org/wiki/Dynamics%20%28music%29 | In music, the dynamics of a piece are the variation in loudness between notes or phrases. Dynamics are indicated by specific musical notation, often in some detail. However, dynamics markings require interpretation by the performer depending on the musical context: a specific marking may correspond to a different volu... | Dynamics (music) | Technology | 2,608 |
66,960,200 | https://en.wikipedia.org/wiki/De%C4%9Firmentepe | Değirmentepe or Değirmentepe Hüyük is an archaeological site which is located at 50 km north of the river Euphrates and at 24 km in the northeast of Malatya province in eastern Anatolia. It is now submerged in the reservoir area of the Karakaya and Atatürk dams. Rescue excavations were undertaken in under the supervis... | Değirmentepe | Chemistry,Materials_science | 667 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.