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 |
|---|---|---|---|---|---|
49,732,031 | https://en.wikipedia.org/wiki/Transition%20metal%20NHC%20complex | In coordination chemistry, a transition metal NHC complex is a metal complex containing one or more N-heterocyclic carbene ligands. Such compounds are the subject of much research, in part because of prospective applications in homogeneous catalysis. One such success is the second generation Grubbs catalyst.
Histori... | Transition metal NHC complex | Chemistry | 492 |
66,984 | https://en.wikipedia.org/wiki/Reforestation | Reforestation is the practice of restoring previously existing forests and woodlands that have been destroyed or damaged. The prior forest destruction might have happened through deforestation, clearcutting or wildfires. Three important purposes of reforestation programs are for harvesting of wood, for climate change m... | Reforestation | Chemistry | 7,075 |
31,277,685 | https://en.wikipedia.org/wiki/Minimum%20routing%20cost%20spanning%20tree | In computer science, the minimum routing cost spanning tree of a weighted graph is a spanning tree minimizing the sum of pairwise distances between vertices in the tree. It is also called the optimum distance spanning tree, shortest total path length spanning tree, minimum total distance spanning tree, or minimum avera... | Minimum routing cost spanning tree | Mathematics | 348 |
2,965,801 | https://en.wikipedia.org/wiki/Behavior-driven%20development | Behavior-driven development (BDD) involves naming software tests using domain language to describe the behavior of the code.
BDD involves use of a domain-specific language (DSL) using natural-language constructs (e.g., English-like sentences) that can express the behavior and the expected outcomes.
Proponents claim i... | Behavior-driven development | Engineering | 2,189 |
59,019,267 | https://en.wikipedia.org/wiki/Oligoflexia | The Oligoflexia are a class of the phylum Bdellovibrionota. All species of this group are all Gram-negative.
See also
List of bacterial orders
List of bacteria genera
References
Gram-negative bacteria | Oligoflexia | Biology | 48 |
29,920,367 | https://en.wikipedia.org/wiki/Swelling%20capacity | The swelling capacity of a polymer is the amount of a liquid that can be absorbed by it. This test can done by two methods:
Beaker test method
Tea bag test method
Beaker test method
In this method
A small amount of superabsorbent polymer material is taken (0.1g) and it is placed in the beaker.
100 ml of deionized... | Swelling capacity | Chemistry | 260 |
27,137,205 | https://en.wikipedia.org/wiki/Journal%20of%20Automated%20Reasoning | The Journal of Automated Reasoning was established in 1983 by Larry Wos, who was its editor in chief until 1992. It covers research and advances in automated reasoning, mechanical verification of theorems, and other deductions in classical and non-classical logic.
The journal is published by Springer Science+Business ... | Journal of Automated Reasoning | Mathematics | 165 |
11,191,427 | https://en.wikipedia.org/wiki/Nine-segment%20display | A nine-segment display is a type of display based on nine segments that can be turned on or off according to the graphic pattern to be produced. It is an extension of the more common seven-segment display, having an additional two diagonal or vertical segments (one between the top and the middle, and the other between ... | Nine-segment display | Engineering | 433 |
15,514,902 | https://en.wikipedia.org/wiki/Age%20of%20Oil | The Age of Oil, also known as the Oil Age, the Petroleum Age, or the Oil Boom, refers to the era in human history characterised by an increased use of petroleum in products and as fuel. Though unrefined petroleum has been used for various purposes since ancient times, it was during the 19th century that refinement tech... | Age of Oil | Chemistry | 1,141 |
1,408,531 | https://en.wikipedia.org/wiki/Bdellovibrionales | Bdellovibrionales is an order of Pseudomonadota.
See also
List of bacterial orders
List of bacteria genera
References
Bacteria orders | Bdellovibrionales | Biology | 30 |
274,810 | https://en.wikipedia.org/wiki/Scientific%20instrument | A scientific instrument is a device or tool used for scientific purposes, including the study of both natural phenomena and theoretical research.
History
Historically, the definition of a scientific instrument has varied, based on usage, laws, and historical time period. Before the mid-nineteenth century such tools we... | Scientific instrument | Technology,Engineering | 811 |
5,096,405 | https://en.wikipedia.org/wiki/Dynameter | A dynameter is an instrument that measures the magnification of a telescope. It is usually a double-image micrometer used to measure the diameter of the image of the object glass. The magnifying power is found by comparing the actual diameter of the glass with the measured diameter of the image of the glass.
Reference... | Dynameter | Astronomy,Technology,Engineering | 92 |
1,573,046 | https://en.wikipedia.org/wiki/HD%20130322 | HD 130322 is a star with a close orbiting exoplanet in the constellation of Virgo. The distance to this system is 104 light years, as determined using parallax measurements. It is drifting closer to the Sun with a radial velocity of −12.4 km/s. With an apparent visual magnitude of 8.04, it is too dim to be visible to t... | HD 130322 | Astronomy | 443 |
1,796,414 | https://en.wikipedia.org/wiki/Linde%E2%80%93Buzo%E2%80%93Gray%20algorithm | The Linde–Buzo–Gray algorithm (named after its creators Yoseph Linde, Andrés Buzo and Robert M. Gray, who designed it in 1980) is an iterative vector quantization algorithm to improve a small set of vectors (codebook) to represent a larger set of vectors (training set), such that it will be locally optimal. It combines... | Linde–Buzo–Gray algorithm | Technology,Engineering | 377 |
4,510,496 | https://en.wikipedia.org/wiki/Head%20gasket | In an internal combustion engine, a head gasket provides the seal between the engine block and cylinder head(s).
Its purpose is to seal the combustion gases within the cylinders and to avoid coolant or engine oil leaking into the cylinders. Leaks in the head gasket can cause poor engine running and/or overheating.
Pu... | Head gasket | Physics,Technology | 1,241 |
7,473,734 | https://en.wikipedia.org/wiki/Annual%20Review%20of%20Biomedical%20Engineering | Annual Review of Biomedical Engineering is an academic journal published by Annual Reviews. In publication since 1999, this journal covers the significant developments in the broad field of biomedical engineering with an annual volume of review articles. It is edited by Martin L. Yarmush and Mehmet Toner. As of 2024, ... | Annual Review of Biomedical Engineering | Engineering,Biology | 548 |
17,550,575 | https://en.wikipedia.org/wiki/Earthquake%20simulation | Earthquake simulation applies a real or simulated vibrational input to a structure that possesses the essential features of a real seismic event. Earthquake simulations are generally performed to study the effects of earthquakes on man-made engineered structures, or on natural features which may present a hazard durin... | Earthquake simulation | Engineering | 307 |
67,558,583 | https://en.wikipedia.org/wiki/Time%20in%20Albania | In Albania, the standard time is Central European Time (CET; UTC+01:00). Daylight saving time, which moves one hour ahead to Central European Summer Time, is observed from the last Sunday in March (02:00 CET) to the last Sunday in October (03:00 CEST). Albania adopted CET in 1914.
IANA time zone database
In the IANA ... | Time in Albania | Physics | 126 |
69,594,812 | https://en.wikipedia.org/wiki/PF-06260414 | PF-06260414 is a drug which acts as a selective androgen receptor modulator (SARM), and was developed for androgen replacement therapy.
See also
AC-262536
ACP-105
Enobosarm
JNJ-28330835
Ligandrol
References
Selective androgen receptor modulators
Isoquinolines
Thiadiazinanes
Nitriles
Sulfones
Sulfur–nitrogen c... | PF-06260414 | Chemistry | 90 |
66,807,151 | https://en.wikipedia.org/wiki/Nitryl%20chloride | Nitryl chloride is a volatile inorganic compound with formula ClNO2. At standard conditions it is a gas.
Formation
Nitryl chloride can be formed in the reaction of dinitrogen pentoxide with chlorides or hydrogen chloride:
N2O5 + 2HCl → 2ClNO2 + H2O
N2O5 + NaCl → ClNO2 + NaNO3
Reactions
Nitryl chloride adds to olefin... | Nitryl chloride | Chemistry | 119 |
1,461,205 | https://en.wikipedia.org/wiki/Argon%E2%80%93argon%20dating | Argon–argon (or 40Ar/39Ar) dating is a radiometric dating method invented to supersede potassiumargon (K/Ar) dating in accuracy. The older method required splitting samples into two for separate potassium and argon measurements, while the newer method requires only one rock fragment or mineral grain and uses a single m... | Argon–argon dating | Chemistry | 1,236 |
1,072,505 | https://en.wikipedia.org/wiki/Voice%20over%20WLAN | Voice over wireless LAN (VoWLAN), also voice over Wi‑Fi (VoWiFi), is the use of a wireless broadband network according to the IEEE 802.11 standards for the purpose of vocal conversation. In essence, it is voice over IP (VoIP) over a Wi-Fi network. In most cases, the Wi-Fi network and voice components supporting the voi... | Voice over WLAN | Technology,Engineering | 529 |
63,630,286 | https://en.wikipedia.org/wiki/HII%20galaxy | An HII galaxy is a very luminous dwarf starburst galaxy. Generally, HII galaxies have a low metallicity and high percentage of neutral hydrogen. There is generally believed to be a relationship between luminosity and disturbed morphology, suggesting that the starburst activity in the galaxy is caused by tidal interacti... | HII galaxy | Astronomy | 190 |
12,122,491 | https://en.wikipedia.org/wiki/C2H8N2 | {{DISPLAYTITLE:C2H8N2}}
The molecular formula C2H8N2 (molar mass: 60.10 g/mol, exact mass: 60.0688 u) may refer to:
Dimethylhydrazine
Unsymmetrical dimethylhydrazine
Symmetrical dimethylhydrazine
Ethylenediamine, or ethane-1,2-diamine | C2H8N2 | Chemistry | 90 |
27,114,298 | https://en.wikipedia.org/wiki/Isoclinism%20of%20groups | In mathematics, specifically group theory, isoclinism is an equivalence relation on groups which generalizes isomorphism. Isoclinism was introduced by to help classify and understand p-groups, although it is applicable to all groups. Isoclinism also has consequences for the Schur multiplier and the associated aspect... | Isoclinism of groups | Mathematics | 492 |
514,036 | https://en.wikipedia.org/wiki/Association%20for%20Progressive%20Communications | The Association for Progressive Communications (APC) is an international network of organizations that was founded in 1990 to provide communication infrastructure, including Internet-based applications, to groups and individuals who work for peace, human rights, protection of the environment, and sustainability. Pionee... | Association for Progressive Communications | Technology | 3,591 |
72,244,439 | https://en.wikipedia.org/wiki/Deutschlandticket | The () often shorted to the D-Ticket, also known as the 49-Euro-Ticket, is a subscription public transport ticket for all local public transport, valid in the whole of Germany, that costs 49 euros per month. The Scholz cabinet introduced it in May 2023 as a permanent successor to the 9-Euro-Ticket which had been offer... | Deutschlandticket | Chemistry | 2,025 |
19,342,760 | https://en.wikipedia.org/wiki/Seven%20Wonders%20of%20the%20Ancient%20World | The Seven Wonders of the Ancient World, also known as the Seven Wonders of the World or simply the Seven Wonders, is a list of seven notable structures present during classical antiquity. The first known list of seven wonders dates back to the 2nd–1st century BC.
While the entries have varied over the centuries, the s... | Seven Wonders of the Ancient World | Engineering | 1,505 |
5,392,262 | https://en.wikipedia.org/wiki/Shabaka%20Stone | The Shabaka Stone, sometimes Shabaqo, is a relic incised with an ancient Egyptian religious text, which dates from the Twenty-fifth Dynasty of Egypt. In later years, the stone was likely used as a millstone, which damaged the hieroglyphs. This damage is accompanied by other intentional defacements, leaving the hierogly... | Shabaka Stone | Physics,Astronomy | 1,531 |
15,587,739 | https://en.wikipedia.org/wiki/Haplotype%20convergence | Haplotype convergence is the unrelated appearance of identical haplotypes in separate populations, through either convergent evolution or random chance.
Description
Haplotype convergence is rare, due to the sheer odds involved of two unrelated individuals independently evolving exactly the same genetic sequence in th... | Haplotype convergence | Biology | 402 |
39,064,863 | https://en.wikipedia.org/wiki/Stephen%20Liddle | Stephen T. Liddle FRSE FRSC is a British professor of inorganic chemistry at the University of Manchester. He is Head of Inorganic Chemistry and Co-Director of the Centre for Radiochemistry Research at the University of Manchester since 2015.
Early life and education
Liddle was born near Sunderland, in the North Eas... | Stephen Liddle | Chemistry | 973 |
7,186,688 | https://en.wikipedia.org/wiki/Trestolone%20acetate | Trestolone acetate (; developmental code names CDB-903, NSC-69948, U-15614; also known as 7α-methyl-19-nortestosterone 17β-acetate (MENT acetate) and 7α-methylestr-4-en-17β-ol-3-one 17β-acetate) is a synthetic and injected anabolic–androgenic steroid (AAS) and a derivative of nandrolone (19-nortestosterone) which was n... | Trestolone acetate | Chemistry | 213 |
9,938,270 | https://en.wikipedia.org/wiki/Roland%20MS-1 | The Roland MS-1 digital sampler was a compact, 16-bit digital audio phrase sampler produced by Roland in 1994 as a straightforward, inexpensive, entry-level sampler. In 1998, the MS-1 was succeeded by the Boss SP-202 sampler.
Overview
The MS-1 was what Roland refers to as a "phrase sampler" and featured eight rubber p... | Roland MS-1 | Engineering | 687 |
56,966,379 | https://en.wikipedia.org/wiki/Markarian%201034 | Markarian 1034 (Mrk 1034) is a pair of spiral galaxies comprising PGC 9074 and PGC 9071, located in the constellation Triangulum. They are located at a distance of 465 million light-years from Earth and are classified as luminous infrared galaxies.
PGC 9074
PGC 9074 known as Mrk 1034a, is classified as a type Sa gala... | Markarian 1034 | Astronomy | 457 |
2,732,140 | https://en.wikipedia.org/wiki/GeoGebra | GeoGebra (a portmanteau of geometry and algebra) is an interactive geometry, algebra, statistics and calculus application, intended for learning and teaching mathematics and science from primary school to university level. GeoGebra is available on multiple platforms, with apps for desktops (Windows, macOS and Linux), t... | GeoGebra | Mathematics | 1,372 |
11,569,073 | https://en.wikipedia.org/wiki/Schizopora%20flavipora | Schizopora flavipora is a plant pathogen infecting tea.
References
External links
Index Fungorum
USDA ARS Fungal Database
Fungal plant pathogens and diseases
Tea diseases
Hymenochaetales
Fungus species | Schizopora flavipora | Biology | 48 |
432,213 | https://en.wikipedia.org/wiki/15%20puzzle | The 15 puzzle (also called Gem Puzzle, Boss Puzzle, Game of Fifteen, Mystic Square and more) is a sliding puzzle. It has 15 square tiles numbered 1 to 15 in a frame that is 4 tile positions high and 4 tile positions wide, with one unoccupied position. Tiles in the same row or column of the open position can be moved by... | 15 puzzle | Mathematics | 1,762 |
40,826,054 | https://en.wikipedia.org/wiki/Job%20characteristic%20theory | Job characteristics theory is a theory of work design. It provides “a set of implementing principles for enriching jobs in organizational settings”. The original version of job characteristics theory proposed a model of five “core” job characteristics (i.e. skill variety, task identity, task significance, autonomy, and... | Job characteristic theory | Engineering,Biology | 3,980 |
1,839,990 | https://en.wikipedia.org/wiki/Crypton%20%28particle%29 | In particle physics, the crypton is a hypothetical superheavy particle, thought to exist in a hidden sector of string theory. It has been proposed as a candidate particle to explain the dark matter content of the universe. Cryptons arising in the hidden sector of a superstring-derived flipped SU(5) GUT model have been... | Crypton (particle) | Physics,Astronomy | 114 |
1,085,308 | https://en.wikipedia.org/wiki/Candlepower | Candlepower (abbreviated as cp or CP) is a unit of measurement for luminous intensity. It expresses levels of light intensity relative to the light emitted by a candle of specific size and constituents. The historical candlepower is equal to 0.981 candelas. In modern usage, candlepower is sometimes used as a synonym fo... | Candlepower | Mathematics | 834 |
916,340 | https://en.wikipedia.org/wiki/Type%20I%20keratin | Type I keratins (or Type I cytokeratins) are cytokeratins that constitute the Type I intermediate filaments (IFs) of the intracytoplasmatic cytoskeleton, which is present in all mammalian epithelial cells. Most of the type I keratins consist of acidic, low molecular weight proteins which in vivo are arranged in pairs o... | Type I keratin | Chemistry | 205 |
74,440,694 | https://en.wikipedia.org/wiki/ODE/IM%20correspondence | In mathematical physics, the ODE/IM correspondence is a link between ordinary differential equations (ODEs) and integrable models. It was first found in 1998 by Patrick Dorey and Roberto Tateo. In this original setting it relates the spectrum of a certain integrable model of magnetism known as the XXZ-model to solution... | ODE/IM correspondence | Physics | 136 |
1,821,329 | https://en.wikipedia.org/wiki/2M1207b | 2M1207b is a planetary-mass object orbiting the brown dwarf 2M1207, in the constellation Centaurus, approximately 170 light-years from Earth. It is one of the first candidate exoplanets to be directly observed (by infrared imaging). It was discovered in April 2004 by the Very Large Telescope (VLT) at the Paranal Observ... | 2M1207b | Astronomy | 1,373 |
12,670,711 | https://en.wikipedia.org/wiki/Scyllo-Inositol | scyllo-Inositol, also called scyllitol, cocositol, or quercinitol, is a chemical compound with formula , one of the nine inositols, the stereoisomers of cyclohexane-1,2,3,4,5,6-hexol. The molecule has a ring of six carbon atoms, each bound to one hydrogen atom and one hydroxyl group (–OH); if the ring is assumed horizo... | Scyllo-Inositol | Chemistry | 2,211 |
19,347,046 | https://en.wikipedia.org/wiki/HD%20118889 | HD 118889 is a binary star system in the northern constellation of Boötes. It is faintly visible to the naked eye as a point of light with an apparent visual magnitude of 5.57. The system is located at a distance of approximately 196 light years from the Sun based on stellar parallax, but is drifting closer with a radi... | HD 118889 | Astronomy | 265 |
26,849,987 | https://en.wikipedia.org/wiki/Differential%20phase | Differential phase is a kind of linearity distortion which affects the color hue in TV broadcasting.
Composite color video signal
Composite color video signal (CCVS) consists of three terms:
Monochrome (luminance) signal
Auxiliary signals (sync pulse and blanking signals)
Color signal, which is actually a subcarrier... | Differential phase | Technology | 664 |
3,931 | https://en.wikipedia.org/wiki/Binary%20relation | In mathematics, a binary relation associates elements of one set called the domain with elements of another set called the codomain. Precisely, a binary relation over sets and is a set of ordered pairs where is in and is in . It encodes the common concept of relation: an element is related to an element , if and... | Binary relation | Mathematics | 5,253 |
1,659,646 | https://en.wikipedia.org/wiki/Initiation%20%28chemistry%29 | In chemistry, initiation is a chemical reaction that triggers one or more secondary reactions. Initiation creates a reactive centre on a molecule which produces a chain reaction. The reactive centre generated by initiation is usually a radical, but can also be cations or anions. Once the reaction is initiated, the spec... | Initiation (chemistry) | Chemistry | 875 |
3,834,818 | https://en.wikipedia.org/wiki/Comparability | In mathematics, two elements x and y of a set P are said to be comparable with respect to a binary relation ≤ if at least one of x ≤ y or y ≤ x is true. They are called incomparable if they are not comparable.
Rigorous definition
A binary relation on a set is by definition any subset of Given is written if an... | Comparability | Mathematics | 501 |
31,954,755 | https://en.wikipedia.org/wiki/WASP-44 | WASP-44 is a G-type star about away in the constellation Cetus that is orbited by the Jupiter-size planet WASP-44b. The star is slightly less massive and slightly smaller than the Sun; it is also slightly cooler, but is more metal-rich. The star was observed by SuperWASP, an organization searching for exoplanets, star... | WASP-44 | Astronomy | 904 |
24,094,910 | https://en.wikipedia.org/wiki/C21H20O12 | {{DISPLAYTITLE:C21H20O12}}
The molecular formula C21H20O12 (molar mass: 464.37 g/mol, exact mass: 464.095476 u) may refer to:
Hyperoside
Isoquercetin
Myricitrin, a flavonol
Spiraeoside, a flavonol
Molecular formulas | C21H20O12 | Physics,Chemistry | 84 |
1,616,204 | https://en.wikipedia.org/wiki/Network%20Load%20Balancing%20Services | Network Load Balancing Services (NLBS) is a Microsoft implementation of clustering and load balancing that is intended to provide high availability and high reliability, as well as high scalability. NLBS is intended for applications with relatively small data sets that rarely change (one example would be web pages), a... | Network Load Balancing Services | Technology | 370 |
25,061,146 | https://en.wikipedia.org/wiki/Project%20management%20information%20system | A project management information system (PMIS) is the logical organization of the information required for an organization to execute projects successfully. A PMIS is typically one or more software applications and a methodical process for collecting and using project information. These electronic systems "help [to] p... | Project management information system | Technology | 441 |
58,693,880 | https://en.wikipedia.org/wiki/Aspergillus%20thesauricus | Aspergillus thesauricus is a species of fungus in the genus Aspergillus. It is from the Usti section. The species was first described in 2012.
Growth and morphology
A. thesauricus has been cultivated on both Czapek yeast extract agar (CYA) plates and Malt Extract Agar Oxoid® (MEAOX) plates. The growth morphology of t... | Aspergillus thesauricus | Biology | 107 |
23,920,929 | https://en.wikipedia.org/wiki/C5H7NO2 | {{DISPLAYTITLE:C5H7NO2}}
The molecular formula C5H7NO2 may refer to:
Ethyl cyanoacetate
Piperidinediones
2,3-Piperidinedione
2,4-Piperidinedione
2,5-Piperidinedione
2,6-Piperidinedione
3,4-Piperidinedione
3,5-Piperidinedione
1-Pyrroline-5-carboxylic acid | C5H7NO2 | Chemistry | 108 |
12,193,926 | https://en.wikipedia.org/wiki/IMUnified | IMUnified, formed in 2000, is a coalition of companies that intend to develop open standards for instant messaging (IM). The founding members are AT&T, Excite@Home, iCAST, Microsoft, Odigo, Phone.com, Prodigy, Tribal Voice and Yahoo!. Notably absent from the list of members is AOL, who was not invited to join the coali... | IMUnified | Technology | 168 |
57,185,399 | https://en.wikipedia.org/wiki/Pawl | A pawl is a movable lever that engages a fixed component to either prevent movement in one direction or restrain it altogether. As such, it is a type of latch and can also be considered a type of dog. It typically consists of a spring-loaded lever that engages a mating component at a steep enough angle to restrain it... | Pawl | Engineering | 280 |
72,245,879 | https://en.wikipedia.org/wiki/Data%20ecosystem | A data ecosystem is the complex environment of co-dependent networks and actors that contribute to data collection, transfer and use. It can span multiple sectors – such as healthcare or finance, to inform one another's practices. A data ecosystem often consists of numerous data assemblages. Research into data ecosyst... | Data ecosystem | Technology | 1,335 |
27,741,322 | https://en.wikipedia.org/wiki/Eiji%20Osawa | is a former professor of computational chemistry, noted for his prediction of the C60 molecule in 1970.
Osawa received his Master's of Engineering in chemistry from Kyoto University's Department of Industrial Chemistry and then became an engineer at Teijin Co., Ltd. In 1964, he returned to Kyoto University and earned ... | Eiji Osawa | Chemistry | 332 |
13,653,971 | https://en.wikipedia.org/wiki/Littelfuse | Littelfuse, Inc. is an American electronics manufacturing company headquartered in Chicago, Illinois. The company primarily produces circuit protection products (fuses) but also manufactures a variety of switches, automotive sensors and, through its subsidiary Zilog, microprocessors. Littelfuse was founded in 1927. In ... | Littelfuse | Engineering | 1,415 |
55,585,798 | https://en.wikipedia.org/wiki/Samsung%20Bio%20Processor | The Samsung Bio Processor is an advanced system logic chip designed by Samsung Electronics in December 2015 that integrates five AFEs including bioelectrical impedance analysis (BIA), photoplethysmogram (PPG), electrocardiogram (ECG), skin temperature, and galvanic skin response (GSR) into a single chip that measures b... | Samsung Bio Processor | Technology | 167 |
27,190,089 | https://en.wikipedia.org/wiki/Vinay%20V.%20Deodhar | Vinay Vithal Deodhar (3 December 1948 – 18 January 2015) was a Professor Emeritus in the Department of Mathematics at Indiana University. He worked in the area of algebraic groups and representation theory.
Early life
Deodhar was born in Mumbai (Bombay), India in 1948.
Career
Deodhar earned his Ph.D. from the Univers... | Vinay V. Deodhar | Mathematics | 234 |
21,713,216 | https://en.wikipedia.org/wiki/Jumble%20ice | Jumble ice is a phenomenon that occurs when ice atop a river or other flowing body of water fractures due to the different flow rates beneath the ice. On a lake, pond, or other stationary body of water, ice forms undisturbed and generally does not move as long as the entire surface of the body of water is frozen. When ... | Jumble ice | Physics | 362 |
54,700,310 | https://en.wikipedia.org/wiki/NGC%207087 | NGC 7087 is a barred spiral galaxy located about 215 million light-years away in the constellation of Grus. NGC 7087 was discovered by astronomer John Herschel on September 4, 1834.
NGC 7087 is a member of a group of galaxies known as the NGC 7087 group.
See also
NGC 1300
References
External links
Barred spir... | NGC 7087 | Astronomy | 91 |
77,394,414 | https://en.wikipedia.org/wiki/Skin%20lightening%20in%20the%20Middle%20East | Skin lightening is a common practice in several Middle Eastern countries, particularly among women. The use of skin lightening products among Middle Eastern women has been attributed to the perceived association between light skin and beauty, as well as marriage and employment opportunities. Furthermore, the portrayal ... | Skin lightening in the Middle East | Biology | 565 |
9,617,836 | https://en.wikipedia.org/wiki/Broadcast%20Television%20Systems%20Inc. | Broadcast Television Systems (BTS) was a joint venture between Robert Bosch GmbH's Fernseh Division and Philips Broadcast in Breda, Netherlands, formed in 1986.
History
Philips had been in the broadcast market for many years with a line of PC- and LDK- Norelco professional video cameras and other video products. By ... | Broadcast Television Systems Inc. | Technology | 2,437 |
58,157,092 | https://en.wikipedia.org/wiki/Claudia%20Sagastiz%C3%A1bal | Claudia Alejandra Sagastizábal is an applied mathematician known for her research in convex optimization and energy management, and for her co-authorship of the book Numerical Optimization: Theoretical and Practical Aspects. She is a researcher at the University of Campinas in Brazil. Since 2015 she has been editor-in-... | Claudia Sagastizábal | Mathematics | 345 |
13,774,593 | https://en.wikipedia.org/wiki/Differential%20capacitance | Differential capacitance in physics, electronics, and electrochemistry is a measure of the voltage-dependent capacitance of a nonlinear capacitor, such as an electrical double layer or a semiconductor diode. It is defined as the derivative of charge with respect to potential.
Description
In electrochemistry differe... | Differential capacitance | Chemistry,Engineering | 479 |
33,994,239 | https://en.wikipedia.org/wiki/SailTimer | SailTimer is a technology for sailboat navigation, which calculates optimal tacking angles, distances and times.
Seafarers have had a dilemma for as long as sailboats could use lift to sail upwind. Should you head off the wind more, to get more speed (but at a longer distance)? Or should you sail upwind more, to les... | SailTimer | Technology,Engineering | 607 |
43,871 | https://en.wikipedia.org/wiki/Fatal%20insomnia | Fatal insomnia is an extremely rare neurodegenerative prion disease that results in trouble sleeping as its hallmark symptom. The majority of cases are familial (fatal familial insomnia [FFI]), stemming from a mutation in the PRNP gene, with the remainder of cases occurring sporadically (sporadic fatal insomnia [sFI]... | Fatal insomnia | Biology | 2,823 |
11,552 | https://en.wikipedia.org/wiki/Frederick%20Abel | Sir Frederick Augustus Abel, 1st Baronet (17 July 18276 September 1902) was an English chemist who was recognised as the leading British authority on explosives. He is best known for the invention of cordite as a replacement for gunpowder in firearms.
Education
Born in London as son of Johann Leopold Abel, Abel studi... | Frederick Abel | Chemistry | 1,025 |
17,672,510 | https://en.wikipedia.org/wiki/Polyptychodon | Polyptychodon (meaning 'many-folded tooth') is a genus of pliosaurid found in Middle-Late Cretaceous marine deposits in southern England, France and Argentina. It has been considered a nomen dubium in a 2016 review.
History of discovery
The type species, P. interruptus is known from an isolated tooth from the Late C... | Polyptychodon | Biology | 479 |
56,428,662 | https://en.wikipedia.org/wiki/Robot%20Monk%20Xian%27er | Robot Monk Xian'er () is a humanoid robot based on the cartoon character Xian'er. It was developed by a team of monks, volunteers and AI experts from Beijing Longquan Monastery in Beijing, China.
He can follow human instructions to make body movements, read scriptures and play Buddhist music. He can chat and respond t... | Robot Monk Xian'er | Physics,Technology | 163 |
48,740 | https://en.wikipedia.org/wiki/Henri%20Poincar%C3%A9 | Jules Henri Poincaré (, ; ; 29 April 185417 July 1912) was a French mathematician, theoretical physicist, engineer, and philosopher of science. He is often described as a polymath, and in mathematics as "The Last Universalist", since he excelled in all fields of the discipline as it existed during his lifetime. He has ... | Henri Poincaré | Physics,Chemistry,Mathematics | 9,885 |
45,598,981 | https://en.wikipedia.org/wiki/Gaseous%20signaling%20molecules | Gaseous signaling molecules are gaseous molecules that are either synthesized internally (endogenously) in the organism, tissue or cell or are received by the organism, tissue or cell from outside (say, from the atmosphere or hydrosphere, as in the case of oxygen) and that are used to transmit chemical signals which in... | Gaseous signaling molecules | Physics,Chemistry,Biology | 4,219 |
32,566,545 | https://en.wikipedia.org/wiki/Converged%20network%20adapter | A converged network adapter (CNA), also called a converged network interface controller (C-NIC), is a computer input/output device that combines the functionality of a host bus adapter (HBA) with a network interface controller (NIC). In other words, it "converges" access to, respectively, a storage area network and a g... | Converged network adapter | Engineering | 665 |
40,621,922 | https://en.wikipedia.org/wiki/Cantharellus%20zangii | Cantharellus zangii is a species of fungus in the family Cantharellaceae. Described as new to science in 2012, it is found only in a small area in northwestern Yunnan, China. The fungus produces small, ochre to ochre-yellow fruit bodies (mushrooms) with thin flesh and a long tapering stipe. Microscopically, the mushroo... | Cantharellus zangii | Biology | 678 |
31,404 | https://en.wikipedia.org/wiki/Tietze%20extension%20theorem | In topology, the Tietze extension theorem (also known as the Tietze–Urysohn–Brouwer extension theorem or Urysohn-Brouwer lemma) states that any real-valued, continuous function on a closed subset of a normal topological space can be extended to the entire space, preserving boundedness if necessary.
Formal statement
If... | Tietze extension theorem | Mathematics | 790 |
24,008,469 | https://en.wikipedia.org/wiki/Eudysmic%20ratio | The eudysmic ratio (also spelled eudismic ratio) represents the difference in pharmacologic activity between the two enantiomers of a drug. In most cases where a chiral compound is biologically active, one enantiomer is more active than the other. The eudysmic ratio is the ratio of activity between the two. A eudysmic ... | Eudysmic ratio | Physics,Chemistry | 1,188 |
51,564,601 | https://en.wikipedia.org/wiki/Microbial%20synergy | Microbial synergy is a phenomenon in which aerobic and anaerobic microbes support each other's growth and proliferation. In this process aerobes invade and destroy host tissues, reduce tissue oxygen concentration and redox potential, thus creating favorable conditions for anaerobic growth and proliferation. Anaerobes g... | Microbial synergy | Chemistry,Biology | 272 |
27,340,479 | https://en.wikipedia.org/wiki/Red%20Hat%20Virtualization | Red Hat Virtualization (RHV) formerly known as Red Hat Enterprise Virtualization, is an x86 virtualization product developed by Red Hat, and is based on the KVM hypervisor. Red Hat Virtualization uses the SPICE protocol and VDSM (Virtual Desktop Server Manager) with a RHEL-based centralized management server. The platf... | Red Hat Virtualization | Engineering | 200 |
52,719,386 | https://en.wikipedia.org/wiki/Testosterone%20acetate%20butyrate | Testosterone acetate butyrate, or testosterone 3β-acetate 17β-butanoate, also known as 4-androstenediol acetate butyrate, as well as androst-4-ene-3β,17β-diol 3β-acetate 17β-butanoate, is a synthetic anabolic-androgenic steroid and an androgen ester which was never marketed. It is the 3β-acetate, 17β-butyrate (butanoat... | Testosterone acetate butyrate | Chemistry | 246 |
34,382,650 | https://en.wikipedia.org/wiki/Sarah%20Salmond | Sarah Salmond (7 August 1864 – 18 October 1956 in Dunedin, New Zealand) was a notable New Zealand governess and astronomer.
Early life
Salmond was born in Abbey St Bathans, Berwickshire, Scotland, the youngest of seven children of John Cockburn and Elizabeth Cockburn née Liddle. Cockburn was a farm labourer, and the ... | Sarah Salmond | Astronomy | 602 |
3,117,887 | https://en.wikipedia.org/wiki/Grassmann%20number | In mathematical physics, a Grassmann number, named after Hermann Grassmann (also called an anticommuting number or supernumber), is an element of the exterior algebra of a complex vector space. The special case of a 1-dimensional algebra is known as a dual number. Grassmann numbers saw an early use in physics to expres... | Grassmann number | Physics,Mathematics | 2,846 |
5,364,886 | https://en.wikipedia.org/wiki/Kolliphor%20EL | Kolliphor EL, formerly known as Cremophor EL, is the registered trademark of BASF Corp. for its version of polyethoxylated castor oil. It is prepared by reacting 35 moles of ethylene oxide with each mole of castor oil. The resulting product is a mixture (CAS number 61791-12-6): the major component is the material in w... | Kolliphor EL | Chemistry | 539 |
40,428,588 | https://en.wikipedia.org/wiki/Dynamical%20pictures | In quantum mechanics, dynamical pictures (or representations) are the multiple equivalent ways to mathematically formulate the dynamics of a quantum system.
The two most important ones are the Heisenberg picture and the Schrödinger picture. These differ only by a basis change with respect to time-dependency, analogou... | Dynamical pictures | Physics | 2,784 |
25,193,231 | https://en.wikipedia.org/wiki/Benjamin%20Martin%20%28lexicographer%29 | Benjamin Martin (baptized 1705; died 1782) was a lexicographer who compiled one of the early English dictionaries, the Lingua Britannica Reformata (1749). He also was a lecturer on science and maker of scientific instruments.
Life
Martin was born in Worplesdon, Surrey and began life as a ploughboy, but graduated to be... | Benjamin Martin (lexicographer) | Chemistry | 796 |
480,130 | https://en.wikipedia.org/wiki/Index%20of%20wave%20articles | This is a list of wave topics.
0–9
21 cm line
A
Abbe prism
Absorption spectroscopy
Absorption spectrum
Absorption wavemeter
Acoustic wave
Acoustic wave equation
Acoustics
Acousto-optic effect
Acousto-optic modulator
Acousto-optics
Airy disc
Airy wave theory
Alfvén wave
Alpha waves
Amphidromic point
Amplitude
Amplitud... | Index of wave articles | Physics | 1,550 |
56,650,665 | https://en.wikipedia.org/wiki/Air-liquid%20interface%20cell%20culture | Air liquid interface cell culture (ALI) is a method of cell culture by which basal stem cells are grown with their basal surfaces in contact with media, and the top of the cellular layer is exposed to the air. The cells are then lifted and media is changed until the development of a mucociliary phenotype of a pseudostr... | Air-liquid interface cell culture | Biology | 793 |
64,042,964 | https://en.wikipedia.org/wiki/Redundancy%20principle%20%28biology%29 | The redundancy principle in biology expresses the need of many copies of the same entity (cells, molecules, ions) to fulfill a biological function. Examples are numerous: disproportionate numbers of spermatozoa during fertilization compared to one egg, large number of neurotransmitters released during neuronal communic... | Redundancy principle (biology) | Biology | 2,143 |
13,357,973 | https://en.wikipedia.org/wiki/Ofeq-7 | Ofeq-7 (also known as Ofek 7 or Offek-7) is part of the Ofeq family of Earth observation satellites designed and built by Israel Aerospace Industries (IAI) for the Israel Ministry of Defense.
Launch
The Ofeq-7 was launched by a Shavit 2 space launch vehicle on 10 June 2007 at 23:40 UTC. Equipped with advanced technol... | Ofeq-7 | Astronomy | 179 |
3,378,687 | https://en.wikipedia.org/wiki/Endoluminal%20capsule%20monitoring | Endoluminal capsule monitoring is a non-invasive medical diagnostic procedure which uses a miniaturized wireless radio transmitter embedded into an ingestible water-tight capsule. The patient ingests the capsule and while it transits through the gastrointestinal system, it sends signals to the outside, which are captur... | Endoluminal capsule monitoring | Biology | 323 |
73,980,369 | https://en.wikipedia.org/wiki/Planet%20Lockdown | Planet Lockdown is a film containing misinformation about COVID-19 that was banned on YouTube and Facebook.
The film's producers describe it as a documentary.
Production
The 90-minute film was directed by James Patrick, and released online in December 2020. In addition to being shared on social media, the video was ... | Planet Lockdown | Technology | 505 |
784,808 | https://en.wikipedia.org/wiki/Continuous%20functional%20calculus | In mathematics, particularly in operator theory and C*-algebra theory, the continuous functional calculus is a functional calculus which allows the application of a continuous function to normal elements of a C*-algebra.
In advanced theory, the applications of this functional calculus are so natural that they are ofte... | Continuous functional calculus | Mathematics | 1,848 |
57,805,865 | https://en.wikipedia.org/wiki/Floc%20%28biofilm%29 | A floc is a type of microbial aggregate that may be contrasted with biofilms and granules, or else considered a specialized type of biofilm. Flocs appear as cloudy suspensions of cells floating in water, rather than attached to and growing on a surface like most biofilms. The floc typically is held together by a matrix... | Floc (biofilm) | Biology,Environmental_science | 290 |
74,477,694 | https://en.wikipedia.org/wiki/Consortium%20for%20Execution%20of%20Rendezvous%20and%20Servicing%20Operations | The Consortium for Execution of Rendezvous and Servicing Operations (CONFERS) is a program started by the Defense Advanced Research Projects Agency (DARPA) in 2017. The goal was to address the lack of widely accepted technical and safety standards for on-orbit servicing activities involving commercial satellites. In ... | Consortium for Execution of Rendezvous and Servicing Operations | Astronomy | 229 |
360,725 | https://en.wikipedia.org/wiki/Acetylcysteine | N-acetylcysteine, also known as Acetylcysteine and NAC, is a medication that is used to treat paracetamol (acetaminophen) overdose and to loosen thick mucus in individuals with chronic bronchopulmonary disorders, such as pneumonia and bronchitis. It has been used to treat lactobezoar in infants. It can be taken intrave... | Acetylcysteine | Chemistry | 4,663 |
27,319,186 | https://en.wikipedia.org/wiki/MK%20II%20FPA | The MK II Method is one of the software sizing methods in functional point group of measurements. This is a method for analysis and measurement of information processing applications based on end user functional view of the system. The MK II Method (ISO/IEC 20968 Software engineering—Mk II Function Point Analysis—Count... | MK II FPA | Mathematics,Engineering | 501 |
74,063,421 | https://en.wikipedia.org/wiki/Glaucocystis%20nostochinearum | Glaucocystis nostochinearum is a species of glaucophyte in the family Glaucocystaceae. The species is the type species of its genus, Glaucocystis. The species can be found in the waters of Northern Europe, North America and Oceania.
The species has one form and one variety:
Glaucocystis nostochinearum f. immanis Sch... | Glaucocystis nostochinearum | Biology | 161 |
16,687,792 | https://en.wikipedia.org/wiki/Heliotropium%20curassavicum | Heliotropium curassavicum, commonly called salt heliotrope (among other names), a species of flowering plant in the borage family (Boraginaceae). It is native to much of the Americas, from Canada to Argentina, including the West Indies and Hawaii. It can be found as an introduced, and sometimes invasive, species in Afr... | Heliotropium curassavicum | Chemistry | 497 |
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