id int64 580 79M | url stringlengths 31 175 | text stringlengths 9 245k | source stringlengths 1 109 | categories stringclasses 160
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22,748,103 | https://en.wikipedia.org/wiki/Microwave%20cavity | A microwave cavity or radio frequency cavity (RF cavity) is a special type of resonator, consisting of a closed (or largely closed) metal structure that confines electromagnetic fields in the microwave or RF region of the spectrum. The structure is either hollow or filled with dielectric material. The microwaves bounc... | Microwave cavity | Physics | 2,667 |
46,533,089 | https://en.wikipedia.org/wiki/The%20Blob%20%28Pacific%20Ocean%29 | The Blob is a large mass of relatively warm water in the Pacific Ocean off the coast of North America that was first detected in late 2013 and continued to spread throughout 2014 and 2015. It is an example of a marine heatwave. Sea surface temperatures indicated that the Blob persisted into 2016, but it was initially t... | The Blob (Pacific Ocean) | Physics,Environmental_science | 1,828 |
25,315,066 | https://en.wikipedia.org/wiki/Guy%20Bertrand%20%28chemist%29 | Guy Bertrand, born on July 17, 1952, at Limoges is a chemistry professor at the University of California, San Diego.
Bertrand obtained his B.Sc. from the University of Montpellier in 1975 and his Ph.D. from the Paul Sabatier University, Toulouse, in 1979. He was a postdoctoral researcher at Sanofi Research, France, i... | Guy Bertrand (chemist) | Chemistry | 1,357 |
14,659,436 | https://en.wikipedia.org/wiki/HBE1 | Hemoglobin subunit epsilon is a protein that in humans is encoded by the HBE1 gene.
Function
The epsilon globin gene (HBE) is normally expressed in the embryonic yolk sac: two epsilon chains together with two zeta chains (an alpha-like globin) constitute the embryonic hemoglobin Hb Gower I; two epsilon chains togethe... | HBE1 | Chemistry | 207 |
6,713,728 | https://en.wikipedia.org/wiki/Canons%20of%20page%20construction | The canons of page construction are historical reconstructions, based on careful measurement of extant books and what is known of the mathematics and engineering methods of the time, of manuscript-framework methods that may have been used in Medieval- or Renaissance-era book design to divide a page into pleasing propor... | Canons of page construction | Engineering | 1,875 |
47,332,291 | https://en.wikipedia.org/wiki/Amanita%20chepangiana | Amanita chepangiana, commonly known as the Chepang slender Caesar, is a species of agaric fungus in the family Amanitaceae native to China and southern Asia.
In parts of Yunnan, China, the species is traditionally consumed. However, toxicity analysis found out at least one type of amatoxin and phallotoxin each within ... | Amanita chepangiana | Biology | 113 |
74,680,257 | https://en.wikipedia.org/wiki/Environmental%20Rights%20Action | Environmental Rights Action (ERA), sometimes referred to as Friends of Earth Nigeria, is a Nigerian advocacy non-governmental organization, with a focus on the environmental human right issues in Nigeria and protection of the human ecosystem. The organization which was established in 1993, is the Nigerian chapter of Fr... | Environmental Rights Action | Engineering | 252 |
26,861,483 | https://en.wikipedia.org/wiki/SDSS%20J0303-0019 | SDSS J0303-0019 is a distant quasar in the z≥6 regime. It is one of the first two quasars discovered that appear to be "dust-free", the other being QSO J0005-0006.
On 17 March 2010, Xiaohui Fan, an astronomer at the University of Arizona, leader of the team that made the discovery, announced the discovery of two quasa... | SDSS J0303-0019 | Astronomy | 211 |
60,756,169 | https://en.wikipedia.org/wiki/Caffeine%20use%20for%20sport | Caffeine use for sport is a worldwide known and tested idea. Many athletes use caffeine as a legal performance enhancer, as the benefits it provides, both physically and cognitively outweigh the disadvantages. The benefits caffeine provides influences the performance of both endurance athletes and anaerobic athletes. C... | Caffeine use for sport | Chemistry,Biology | 713 |
191,490 | https://en.wikipedia.org/wiki/Machine%20tool | A machine tool is a machine for handling or machining metal or other rigid materials, usually by cutting, boring, grinding, shearing, or other forms of deformations. Machine tools employ some sort of tool that does the cutting or shaping. All machine tools have some means of constraining the workpiece and provide a g... | Machine tool | Physics,Technology,Engineering | 5,643 |
3,994,988 | https://en.wikipedia.org/wiki/Thick%20set | In mathematics, a thick set is a set of integers that contains arbitrarily long intervals. That is, given a thick set , for every , there is some such that .
Examples
Trivially is a thick set. Other well-known sets that are thick include non-primes and non-squares. Thick sets can also be sparse, for example:
Gene... | Thick set | Mathematics | 341 |
325,064 | https://en.wikipedia.org/wiki/Scenic%20painting%20%28theatre%29 | Theatrical scenic painting includes wide-ranging disciplines, encompassing virtually the entire scope of painting and craft techniques. An experienced scenic painter (or scenic artist) will have skills in landscape painting, figurative painting, trompe-l'œil, and faux finishing, and be versatile in different media such... | Scenic painting (theatre) | Engineering | 470 |
1,491,567 | https://en.wikipedia.org/wiki/Rm%20%28Unix%29 | rm (short for remove) is a basic command on Unix and Unix-like operating systems used to remove objects such as computer files, directories and symbolic links from file systems and also special files such as device nodes, pipes and sockets, similar to the del command in MS-DOS, OS/2, and Microsoft Windows. The command ... | Rm (Unix) | Technology | 2,141 |
69,715,647 | https://en.wikipedia.org/wiki/Ruler%20function | In number theory, the ruler function of an integer can be either of two closely related functions. One of these functions counts the number of times can be evenly divided by two, which for the numbers 1, 2, 3, ... is
Alternatively, the ruler function can be defined as the same numbers plus one, which for the numbers... | Ruler function | Mathematics | 361 |
9,133,272 | https://en.wikipedia.org/wiki/Vepalimomab | Vepalimomab is an experimental mouse monoclonal antibody intended for the treatment of inflammations. It blocks vascular adhesion protein 1. Development of the drug was discontinued in 2002.
References
Monoclonal antibodies
Abandoned drugs | Vepalimomab | Chemistry | 47 |
3,919,958 | https://en.wikipedia.org/wiki/Cc%3AMail | cc:Mail is a discontinued store-and-forward LAN-based email system originally developed on Microsoft's MS-DOS platform by Concentric Systems, Inc. in the 1980s. The company, founded by Robert Plummer, Hubert Lipinski, and Michael Palmer, later changed its name to PCC Systems, Inc., and then to cc:Mail, Inc. At the he... | Cc:Mail | Technology | 1,888 |
177,309 | https://en.wikipedia.org/wiki/Lighting%20design | In theatre, a lighting designer (or LD) works with the director, choreographer, set designer, costume designer, and sound designer to create the lighting, atmosphere, and time of day for the production in response to the text while keeping in mind issues of visibility, safety, and cost. The LD also works closely with t... | Lighting design | Engineering | 3,075 |
27,499,338 | https://en.wikipedia.org/wiki/St%20Theresa%27s%20Independent%20State%20Grammar%20School%20for%20Girls%20%28and%20Boys%29 | The New Coalition Academy was a column in Private Eye that depicted the UK coalition government led by David Cameron and Nick Clegg as if they were in fact taking over a failing school. The first episode explained that "Brown's Comprehensive" had been replaced by the Academy, and the new motto is "Duo in Uno" (Latin ... | St Theresa's Independent State Grammar School for Girls (and Boys) | Astronomy | 2,772 |
27,618,144 | https://en.wikipedia.org/wiki/Bcl-2%20family | The Bcl-2 family (TC# 1.A.21) consists of a number of evolutionarily-conserved proteins that share Bcl-2 homology (BH) domains. The Bcl-2 family is most notable for their regulation of apoptosis, a form of programmed cell death, at the mitochondrion. The Bcl-2 family proteins consists of members that either promote or ... | Bcl-2 family | Biology | 2,061 |
6,033,983 | https://en.wikipedia.org/wiki/BD-J | BD-J, or Blu-ray Disc Java, is a specification supporting Java ME (specifically the Personal Basis Profile of the Connected Device Configuration or CDC) Xlets for advanced content on Blu-ray Disc and the Packaged Media profile of Globally Executable MHP (GEM).
BD-J allows for more sophisticated bonus content on Blu-ra... | BD-J | Technology | 2,592 |
24,058,550 | https://en.wikipedia.org/wiki/Amide%20reduction | Amide reduction is a reaction in organic synthesis where an amide is reduced to either an amine or an aldehyde functional group.
Catalytic hydrogenation
Catalytic hydrogenation can be used to reduce amides to amines; however, the process often requires high hydrogenation pressures and reaction temperatures to be effec... | Amide reduction | Chemistry | 364 |
2,347,254 | https://en.wikipedia.org/wiki/Cygnus%20A | Cygnus A (3C 405) is a radio galaxy, one of the strongest radio sources in the sky. A concentrated radio source in Cygnus was discovered by Grote Reber in 1939. In 1946 Stanley Hey and his colleague James Phillips identified that the source scintillated rapidly, and must therefore be a compact object. In 1951, Cygnus A... | Cygnus A | Astronomy | 519 |
25,119,713 | https://en.wikipedia.org/wiki/Lactarius%20paradoxus | Lactarius paradoxus is a North American member of the large milk-cap genus, Lactarius, in the order Russulales. It was first described in 1940.
Description
The cap has a blue-green to gray color. When damaged, it bleeds dark red latex. The spore print is light yellowish.
Similar species
Lactarius indigo looks simil... | Lactarius paradoxus | Biology | 212 |
49,078,162 | https://en.wikipedia.org/wiki/Sufotidine | Sufotidine (INN, USAN, codenamed AH25352) is a long-acting competitive H2 receptor antagonist which was under development as an antiulcerant by Glaxo (now GlaxoSmithKline). It was planned to be a follow-up compound to ranitidine (Zantac). When taken in doses of 600 mg twice daily it induced virtually 24-hour gastric an... | Sufotidine | Chemistry | 206 |
57,601,067 | https://en.wikipedia.org/wiki/Solar%20Terrestrial%20Probes%20program | NASA's Solar Terrestrial Probes program (STP) is a series of missions focused on studying the Sun-Earth system. It is part of NASA's Heliophysics Science Division within the Science Mission Directorate.
Objectives
Understand the fundamental physical processes of the complex space environment throughout the Solar Syst... | Solar Terrestrial Probes program | Physics | 429 |
77,143,022 | https://en.wikipedia.org/wiki/Defeng%20Sun | Defeng Sun (Chinese name: 孙德锋) is a Chinese applied mathematician and operations researcher. He holds the position of Chair Professor of Applied Optimization and Operations Research, and has been serving as the Head of Department of Applied Mathematics in The Hong Kong Polytechnic University (PolyU) since 2019. Sun had... | Defeng Sun | Mathematics | 365 |
1,711,423 | https://en.wikipedia.org/wiki/Wurtz%20reaction | In organic chemistry, the Wurtz reaction, named after Charles Adolphe Wurtz, is a coupling reaction in which two alkyl halides are treated with sodium metal to form a higher alkane.
2 R−X + 2 Na → R−R + 2 NaX
The reaction is of little value except for intramolecular versions, such as 1,6-dibromohexane + 2 Na → cyclohe... | Wurtz reaction | Chemistry | 693 |
69,819,769 | https://en.wikipedia.org/wiki/List%20of%20reagent%20testing%20color%20charts | It is advised to check the references for photos of reaction results. Reagent testers might show the colour of the desired substance while not showing a different colour for a more dangerous additive. For this reason it is essential to use multiple different tests to show all adulterants.
Folin's—Mandelin
Marquis—Sim... | List of reagent testing color charts | Chemistry | 106 |
2,463,438 | https://en.wikipedia.org/wiki/Halogeton%20glomeratus | Halogeton glomeratus is a species of flowering plant in the family Amaranthaceae known by the common names saltlover, Aral barilla, and halogeton. It is native to Russia, Central Asia and China, but the plant is probably better known in the western United States, where it is an introduced species and a notorious noxiou... | Halogeton glomeratus | Chemistry | 724 |
44,484,532 | https://en.wikipedia.org/wiki/Tylopilus%20jalapensis | Tylopilus jalapensis is a bolete fungus in the family Boletaceae found in Veracruz, Mexico, where it grows under oak in montane forests. It was described as new to science in 1991.
See also
List of North American boletes
References
External links
jalapensis
Fungi described in 1991
Fungi of Mexico
Fungi without expe... | Tylopilus jalapensis | Biology | 78 |
40,439,128 | https://en.wikipedia.org/wiki/Omate%20TrueSmart | The Omate TrueSmart is a smartwatch designed by Omate, a Chinese company based in Hong Kong and Shenzhen. It has been funded by crowd funding via Kickstarter. The funding period was from August 21, 2013 until September 20, 2013. The funding goal of $100,000 was reached within 12 hours, with more than $1,032,000 raised ... | Omate TrueSmart | Technology | 1,990 |
73,096,333 | https://en.wikipedia.org/wiki/HD%20149404 | HD 149404, also known as HR 6164 and V918 Scorpii, is a star about 4,300 light years from the Earth, in the constellation Scorpius. It is a 5th magnitude star, so it will be faintly visible to the naked eye of an observer far from city lights. It is a rotating ellipsoidal variable, a binary star for which the two stars... | HD 149404 | Astronomy | 393 |
48,361,236 | https://en.wikipedia.org/wiki/NGC%20129 | NGC 129 is an open cluster in the constellation Cassiopeia. It was discovered by William Herschel in 1788. It is located almost exactly halfway between the bright stars Caph (β Cassiopeiae) and γ Cassiopeiae. It is large but not dense and can be observed by binoculars, through which the most obvious component is a sma... | NGC 129 | Astronomy | 291 |
21,161,599 | https://en.wikipedia.org/wiki/Bithionol | Bithionol is an antibacterial, anthelmintic, and algaecide. It is used to treat Anoplocephala perfoliata (tapeworms) in horses and Fasciola hepatica (liver flukes).
Mechanism of action
Bithionol has been shown to be a potent inhibitor of soluble adenylyl cyclase, an intracellular enzyme important in the catalysis o... | Bithionol | Biology | 751 |
36,224,143 | https://en.wikipedia.org/wiki/Planetary%20science | Planetary science (or more rarely, planetology) is the scientific study of planets (including Earth), celestial bodies (such as moons, asteroids, comets) and planetary systems (in particular those of the Solar System) and the processes of their formation. It studies objects ranging in size from micrometeoroids to gas g... | Planetary science | Astronomy | 3,678 |
2,285,301 | https://en.wikipedia.org/wiki/Mixed%20oxide | In chemistry, a mixed oxide is a somewhat informal name for an oxide that contains cations of more than one chemical element or cations of a single element in several states of oxidation.
The term is usually applied to solid ionic compounds that contain the oxide anion and two or more element cations. Typical exampl... | Mixed oxide | Chemistry | 414 |
1,490,598 | https://en.wikipedia.org/wiki/Index%20locking | In databases an index is a data structure, part of the database, used by a database system to efficiently navigate access to user data. Index data are system data distinct from user data, and consist primarily of pointers. Changes in a database (by insert, delete, or modify operations), may require indexes to be updat... | Index locking | Technology | 493 |
203,897 | https://en.wikipedia.org/wiki/Hyundai%20Group | Hyundai Group (; ) is a South Korean conglomerate founded by Chung Ju-yung. The group was founded in 1947 as a construction company. With government assistance, Chung and his family members rapidly expanded into various industries, eventually becoming South Korea's second chaebol. Chung Ju-yung was directly in control... | Hyundai Group | Technology | 1,138 |
32,255,745 | https://en.wikipedia.org/wiki/Otidea%20concinna | Otidea concinna is a species of apothecial fungus belonging to the family Pyronemataceae. This rather uncommon European species appears from late summer to autumn as vivid yellow elongated "ears" in small groups in woodland and parkland. Compared to some species of the genus, O. concinna looks like the tops of the 'ear... | Otidea concinna | Biology | 121 |
16,735,999 | https://en.wikipedia.org/wiki/Basal%20electrical%20rhythm | The basal or basic electrical rhythm (BER) or electrical control activity (ECA) is the spontaneous depolarization and repolarization of pacemaker cells known as interstitial cells of Cajal (ICCs) in the smooth muscle of the stomach, small intestine, and large intestine. This electrical rhythm is spread through gap junc... | Basal electrical rhythm | Biology | 1,287 |
2,382,824 | https://en.wikipedia.org/wiki/Jordanus%20%28constellation%29 | Jordanus (the Jordan River) was a constellation introduced in 1612 (or 1613) on a globe by Petrus Plancius and first shown in print by Jakob Bartsch in his book Usus Astronomicus Planisphaerii Stellati (1624).
One end lay in the present-day Canes Venatici and then it flowed through the areas now occupied by... | Jordanus (constellation) | Astronomy | 159 |
2,272,662 | https://en.wikipedia.org/wiki/Charles%20J.%20Joachain | Charles J. Joachain is a Belgian physicist.
Biography
Born in Brussels on 9 May 1937, Charles J. Joachain obtained his Ph.D. in Physics in 1963 at the Université Libre de Bruxelles (Free University of Brussels). From 1964 to 1965 he was a Postdoctoral Fellow of the Belgian American Educational Foundation at the Unive... | Charles J. Joachain | Physics | 984 |
32,747,596 | https://en.wikipedia.org/wiki/Structural%20coloration | Structural coloration in animals, and a few plants, is the production of colour by microscopically structured surfaces fine enough to interfere with visible light instead of pigments, although some structural coloration occurs in combination with pigments. For example, peacock tail feathers are pigmented brown, but the... | Structural coloration | Physics,Materials_science,Engineering | 3,738 |
70,128,178 | https://en.wikipedia.org/wiki/Cerasicoccus | Cerasicoccus is a Gram-negative, non-motile, obligately aerobic and chemoheterotrophic bacterial genus from the family Puniceicoccaceae.
See also
List of bacterial orders
List of bacteria genera
References
Verrucomicrobiota
Bacteria genera
Taxa described in 2007 | Cerasicoccus | Biology | 65 |
35,292,764 | https://en.wikipedia.org/wiki/Stig%20Stenholm | Stig Torsten Stenholm (26 February 1939 – 30 September 2017) was a theoretical physicist who formerly held an Academy of Finland professorship.
Education and career
Stenholm obtained an engineering degree at the Helsinki University of Technology (HUT), and a master of science degree in mathematics at the University ... | Stig Stenholm | Physics | 552 |
14,662,238 | https://en.wikipedia.org/wiki/Balance%20%28ability%29 | Balance in biomechanics, is an ability to maintain the line of gravity (vertical line from centre of mass) of a body within the base of support with minimal postural sway. Sway is the horizontal movement of the centre of gravity even when a person is standing still. A certain amount of sway is essential and inevitable ... | Balance (ability) | Physics | 3,356 |
54,953,948 | https://en.wikipedia.org/wiki/Type%201%20regulatory%20T%20cell | Type 1 regulatory cells or Tr1 (TR1) cells are a class of regulatory T cells participating in peripheral immunity as a subset of CD4+ T cells. Tr1 cells regulate tolerance towards antigens of any origin. Tr1 cells are self or non-self antigen specific and their key role is to induce and maintain peripheral tolerance a... | Type 1 regulatory T cell | Biology | 1,341 |
184,726 | https://en.wikipedia.org/wiki/Heat%20transfer | Heat transfer is a discipline of thermal engineering that concerns the generation, use, conversion, and exchange of thermal energy (heat) between physical systems. Heat transfer is classified into various mechanisms, such as thermal conduction, thermal convection, thermal radiation, and transfer of energy by phase chan... | Heat transfer | Physics,Chemistry,Engineering | 7,449 |
31,585,964 | https://en.wikipedia.org/wiki/Industrial%20catalysts | The first time a catalyst was used in the industry was in 1746 by J. Roebuck in the manufacture of lead chamber sulfuric acid. Since then catalysts have been in use in a large portion of the chemical industry. In the start only pure components were used as catalysts, but after the year 1900 multicomponent catalysts wer... | Industrial catalysts | Chemistry | 3,501 |
17,378,755 | https://en.wikipedia.org/wiki/Glutaconyl-CoA | Glutaconyl-CoA is an intermediate in the metabolism of lysine. It is an organic compound containing a coenzyme substructure, which classifies it as a fatty ester lipid molecule. Being a lipid makes the molecule hydrophobic, which makes it insoluble in water. The molecule has a molecular formula of , and a molecular wei... | Glutaconyl-CoA | Chemistry | 210 |
2,939,479 | https://en.wikipedia.org/wiki/Fontages%20Airport | Fontages Airport is located east of Fontanges, Quebec, Canada.
References
James Bay Project
Registered aerodromes in Nord-du-Québec | Fontages Airport | Engineering | 30 |
57,587,843 | https://en.wikipedia.org/wiki/List%20of%20search%20appliance%20vendors | A search appliance is a type of computer which is attached to a corporate network for the purpose of indexing the content shared across that network in a way that is similar to a web search engine. It may be made accessible through a public web interface or restricted to users of that network. A search appliance is usu... | List of search appliance vendors | Technology,Engineering | 175 |
43,334,966 | https://en.wikipedia.org/wiki/Valvulotome | A valvulotome is a catheter-based controllable surgical instrument used for cutting or disabling the venous valves. This is needed to enable an in situ bypass in patients with an occluded artery (especially femoral artery), where the saphenous vein is disconnected from the venous system and connected to arteries above ... | Valvulotome | Biology | 286 |
38,771,064 | https://en.wikipedia.org/wiki/Shafarevich%E2%80%93Weil%20theorem | In algebraic number theory, the Shafarevich–Weil theorem relates the fundamental class of a Galois extension of local or global fields to an extension of Galois groups. It was introduced by for local fields and by for global fields.
Statement
Suppose that F is a global field, K is a normal extension of F, and L is ... | Shafarevich–Weil theorem | Mathematics | 408 |
31,675,267 | https://en.wikipedia.org/wiki/Arago%27s%20rotations | Arago's rotations is an observable magnetic phenomenon that involves the interactions between a magnetized needle and a moving metal disk. The effect was discovered by François Arago in 1824. At the time of their discovery, Arago's rotations were surprising effects that were difficult to explain. In 1831, Michael Farad... | Arago's rotations | Physics | 2,888 |
3,366,914 | https://en.wikipedia.org/wiki/Artificial%20reproduction | Artificial reproduction is the re-creation of life brought about by means other than natural ones. It is new life built by human plans and projects. Examples include artificial selection, artificial insemination, in vitro fertilization, artificial womb, artificial cloning, and kinematic replication.
Artificial reprod... | Artificial reproduction | Technology,Engineering,Biology | 1,807 |
11,800,340 | https://en.wikipedia.org/wiki/Colletotrichum%20pisi | Colletotrichum pisi is a plant pathogen.
References
pisi
Fungal plant pathogens and diseases
Fungi described in 1891
Fungus species | Colletotrichum pisi | Biology | 29 |
10,115,658 | https://en.wikipedia.org/wiki/Molecular%20self-assembly | In chemistry and materials science, molecular self-assembly is the process by which molecules adopt a defined arrangement without guidance or management from an outside source. There are two types of self-assembly: intermolecular and intramolecular. Commonly, the term molecular self-assembly refers to the former, while... | Molecular self-assembly | Chemistry,Materials_science,Mathematics | 1,147 |
12,254,052 | https://en.wikipedia.org/wiki/Smoking | Smoking is a practice in which a substance is combusted and the resulting smoke is typically inhaled to be tasted and absorbed into the bloodstream of a person. Most commonly, the substance used is the dried leaves of the tobacco plant, which have been rolled with a small rectangle of paper into an elongated cylinder c... | Smoking | Chemistry,Biology | 9,646 |
22,253,822 | https://en.wikipedia.org/wiki/Primal%20scene | In psychoanalysis, the primal scene () is the theory of the initial unconscious fantasy of a child of a sex act, between the parents, that organises the psychosexual development of that child.
The expression "primal scene" refers to the sight of sexual relations between the parents, as observed, constructed, or fantas... | Primal scene | Biology | 2,504 |
2,070,675 | https://en.wikipedia.org/wiki/Mixminion | Mixminion is the standard implementation of the Type III anonymous remailer protocol. Mixminion can send and receive anonymous e-mail.
Mixminion uses a mix network architecture to provide strong anonymity, and prevent eavesdroppers and other attackers from linking senders and recipients. Volunteers run servers (called... | Mixminion | Engineering | 535 |
2,335,283 | https://en.wikipedia.org/wiki/Beilstein%20Journal%20of%20Organic%20Chemistry | The Beilstein Journal of Organic Chemistry is a peer-reviewed diamond open-access scientific journal established in 2005. The journal is published and completely funded by the Beilstein Institute for the Advancement of Chemical Sciences, a German non-profit foundation. The editor-in-chief is Peter Seeberger (Max Planck... | Beilstein Journal of Organic Chemistry | Chemistry | 180 |
59,010,568 | https://en.wikipedia.org/wiki/Helen%20Asemota | Helen Nosakhare Asemota is a biochemist and agricultural biotechnologist based in Jamaica. She is Professor of Biochemistry and Molecular Biology and Director of the Biotechnology Centre at the University of the West Indies at Mona, Jamaica. Her research develops biotechnology strategies for production and improvement ... | Helen Asemota | Chemistry,Biology | 1,018 |
3,399,657 | https://en.wikipedia.org/wiki/Gpl-violations.org | gpl-violations.org is a not-for-profit project founded and led by Harald Welte in 2004. It works to make sure software licensed under the GNU General Public License (GPL) is not used in ways prohibited by the license.
Goals
The goals of the project are, according to its website, to:
Raise public awareness of the infr... | Gpl-violations.org | Technology | 660 |
25,287,224 | https://en.wikipedia.org/wiki/Solar%20eclipse%20of%20September%2012%2C%202034 | An annular solar eclipse will occur at the Moon's ascending node of orbit on Tuesday, September 12, 2034, with a magnitude of 0.9736. A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby totally or partly obscuring the image of the Sun for a viewer on Earth. An annular solar eclipse occurs whe... | Solar eclipse of September 12, 2034 | Astronomy | 642 |
2,718,504 | https://en.wikipedia.org/wiki/Richard%20Swann%20Lull | Richard Swann Lull (November 6, 1867 – April 22, 1957) was an American paleontologist and Sterling Professor at Yale University who is largely remembered for championing a non-Darwinian view of evolution, whereby mutation(s) could unlock presumed "genetic drives" that, over time, would lead populations to increasingly ... | Richard Swann Lull | Biology | 605 |
28,953,957 | https://en.wikipedia.org/wiki/Special%20group%20%28finite%20group%20theory%29 | In group theory, a discipline within abstract algebra, a special group is a finite group of prime power order that is either elementary abelian itself or of class 2 with its derived group, its center, and its Frattini subgroup all equal and elementary abelian . A special group of order pn that has class 2 and whose de... | Special group (finite group theory) | Mathematics | 86 |
12,599,909 | https://en.wikipedia.org/wiki/Oloid | An oloid is a three-dimensional curved geometric object that was discovered by Paul Schatz in 1929. It is the convex hull of a skeletal frame made by placing two linked congruent circles in perpendicular planes, so that the center of each circle lies on the edge of the other circle. The distance between the circle cent... | Oloid | Mathematics | 802 |
661,847 | https://en.wikipedia.org/wiki/Frisket | A frisket is any material that protects areas of a work from unintended change.
Letterpress
On a sheet-fed letterpress printing machine, a frisket is a sheet of oiled paper that covers the space between the type or cuts (illustrations) and the edge of the paper that is to be printed. When the press operator uses a bra... | Frisket | Physics | 783 |
54,730,939 | https://en.wikipedia.org/wiki/Notch%20%28engineering%29 | In mechanical engineering and materials science, a notch refers to a V-shaped, U-shaped, or semi-circular defect deliberately introduced into a planar material. In structural components, a notch causes a stress concentration which can result in the initiation and growth of fatigue cracks. Notches are used in materials ... | Notch (engineering) | Materials_science,Engineering | 554 |
59,231,239 | https://en.wikipedia.org/wiki/Sequential%20bargaining | Sequential bargaining (also known as alternate-moves bargaining, alternating-offers protocol, etc.) is a structured form of bargaining between two participants, in which the participants take turns in making offers. Initially, person #1 has the right to make an offer to person #2. If person #2 accepts the offer, then a... | Sequential bargaining | Mathematics | 1,928 |
1,572,944 | https://en.wikipedia.org/wiki/1%2C4-Dioxane | 1,4-Dioxane () is a heterocyclic organic compound, classified as an ether. It is a colorless liquid with a faint sweet odor similar to that of diethyl ether. The compound is often called simply dioxane because the other dioxane isomers (1,2- and 1,3-) are rarely encountered.
Dioxane is used as a solvent for a variety... | 1,4-Dioxane | Chemistry | 1,762 |
68,660,251 | https://en.wikipedia.org/wiki/Surface%20Go%203 | The Surface Go 3 is the third generation model of the Surface Go series of devices, introduced as the successor to the Surface Go 2 by Microsoft at their Surface Event on September 22, 2021. It was announced by the company alongside the Surface Laptop Studio, Surface Pro 8, Surface Duo 2 and many Surface accessories. T... | Surface Go 3 | Technology | 563 |
186,864 | https://en.wikipedia.org/wiki/Primitive%20root%20modulo%20n | In modular arithmetic, a number is a primitive root modulo if every number coprime to is congruent to a power of modulo . That is, is a primitive root modulo if for every integer coprime to , there is some integer for which ≡ (mod ). Such a value is called the index or discrete logarithm of to the base mo... | Primitive root modulo n | Mathematics | 1,974 |
25,234,581 | https://en.wikipedia.org/wiki/Borane%20dimethylsulfide | Borane dimethylsulfide (BMS) is a chemical compound with the chemical formula . It is an adduct between borane molecule () and dimethyl sulfide molecule (). It is a complexed borane reagent that is used for hydroborations and reductions. The advantages of BMS over other borane reagents, such as borane-tetrahydrofuran, ... | Borane dimethylsulfide | Chemistry | 632 |
36,595,079 | https://en.wikipedia.org/wiki/Super%20Minkowski%20space | In mathematics and physics, super Minkowski space or Minkowski superspace is a supersymmetric extension of Minkowski space, sometimes used as the base manifold (or rather, supermanifold) for superfields. It is acted on by the super Poincaré algebra.
Construction
Abstract construction
Abstractly, super Minkowski spa... | Super Minkowski space | Physics | 1,941 |
63,973 | https://en.wikipedia.org/wiki/Wi-Fi | Wi-Fi () is a family of wireless network protocols based on the IEEE 802.11 family of standards, which are commonly used for local area networking of devices and Internet access, allowing nearby digital devices to exchange data by radio waves. These are the most widely used computer networks, used globally in home and ... | Wi-Fi | Technology,Engineering | 10,804 |
3,652,277 | https://en.wikipedia.org/wiki/Bigha | The bigha or beegah (, ) is a traditional unit of measurement of area of a land, commonly used in northern & eastern India, Bangladesh and Nepal. There is no "standard" size of bigha and it varies considerably from place to place.
Sources have given measurement of Bigha ranging from to . Its sub-unit is Biswa or Kath... | Bigha | Mathematics | 1,863 |
22,448,416 | https://en.wikipedia.org/wiki/Hebeloma%20vaccinum | Hebeloma vaccinum is a species of agaric fungus in the family Hymenogastraceae. It was described as new to science in 1965 by French mycologist Henri Romagnesi.
See also
List of Hebeloma species
References
Fungi described in 1965
vaccinum
Fungi of Europe
Fungus species | Hebeloma vaccinum | Biology | 66 |
2,216,678 | https://en.wikipedia.org/wiki/Term%20algebra | In universal algebra and mathematical logic, a term algebra is a freely generated algebraic structure over a given signature. For example, in a signature consisting of a single binary operation, the term algebra over a set X of variables is exactly the free magma generated by X. Other synonyms for the notion include ab... | Term algebra | Mathematics | 1,356 |
10,807,859 | https://en.wikipedia.org/wiki/Isotype%20%28immunology%29 | In immunology, antibodies (immunoglobulins (Ig)) are classified into several types called isotypes or classes.
The variable (V) regions near the tip of the antibody can differ from molecule to molecule in countless ways, allowing it to specifically target an antigen (or more exactly, an epitope).
In contrast, the const... | Isotype (immunology) | Biology | 1,264 |
65,905 | https://en.wikipedia.org/wiki/Ideal%20gas | An ideal gas is a theoretical gas composed of many randomly moving point particles that are not subject to interparticle interactions. The ideal gas concept is useful because it obeys the ideal gas law, a simplified equation of state, and is amenable to analysis under statistical mechanics. The requirement of zero inte... | Ideal gas | Physics | 3,244 |
13,129,612 | https://en.wikipedia.org/wiki/Dessiatin | A dessiatin or desyatina () is an archaic, rudimentary measure of area used in tsarist Russia for land measurement. A dessiatin is equal to 2,400 square sazhens and is approximately equivalent to 2.702 English acres or, precisely, 10,925.397 504 square metres (1.09 hectare).
Treasury/official desyatina , ) = 10,925.... | Dessiatin | Mathematics | 170 |
15,074,798 | https://en.wikipedia.org/wiki/SCN2B | Sodium channel subunit beta-2 is a protein that in humans is encoded by the SCN2B gene.
See also
Sodium channel
References
Further reading
External links
Ion channels | SCN2B | Chemistry | 35 |
4,000,401 | https://en.wikipedia.org/wiki/Kr%C3%BCppel%20associated%20box | The Krüppel associated box (KRAB) domain is a category of transcriptional repression domains present in approximately 400 human zinc finger protein-based transcription factors (KRAB zinc finger proteins). The KRAB domain typically consists of about 75 amino acid residues, while the minimal repression module is approxim... | Krüppel associated box | Chemistry,Biology | 555 |
26,471 | https://en.wikipedia.org/wiki/Rat | Rats are various medium-sized, long-tailed rodents. Species of rats are found throughout the order Rodentia, but stereotypical rats are found in the genus Rattus. Other rat genera include Neotoma (pack rats), Bandicota (bandicoot rats) and Dipodomys (kangaroo rats).
Rats are typically distinguished from mice by their ... | Rat | Biology | 6,027 |
9,526,852 | https://en.wikipedia.org/wiki/Monoxenous%20development | Monoxenous development, or monoxeny, characterizes a parasite whose development is restricted to a single host species.
The etymology of the terms monoxeny / monoxenous derives from the two ancient Greek words (), meaning "unique", and (), meaning "foreign".
In a monoxenous life cycle, the parasitic species may be ... | Monoxenous development | Biology | 128 |
1,156,271 | https://en.wikipedia.org/wiki/Teradyne | Teradyne, Inc. is an American automatic test equipment (ATE) designer and manufacturer based in North Reading, Massachusetts. Its high-profile customers include Samsung, Qualcomm, Intel, Analog Devices, Texas Instruments and IBM.
History
Teradyne was founded by Alex d'Arbeloff and Nick DeWolf, who were classmates at ... | Teradyne | Technology,Engineering | 1,998 |
8,839,340 | https://en.wikipedia.org/wiki/Graph%20toughness | In graph theory, toughness is a measure of the connectivity of a graph. A graph is said to be -tough for a given real number if, for every integer , cannot be split into different connected components by the removal of fewer than vertices. For instance, a graph is -tough if the number of components formed by remo... | Graph toughness | Mathematics | 566 |
58,165,091 | https://en.wikipedia.org/wiki/Raymond%20Clark%20%28engineer%29 | Raymond Clark (engineer) is a British engineer. He is best known for his leadership of the Society of Environmental Engineers where he served as chief executive for nearly two decades.
Clark earned his BSc in engineering in 1964 from the University of Manchester and his BA in psychology in 1967. Starting in 2001, he ... | Raymond Clark (engineer) | Chemistry,Engineering | 178 |
74,438,085 | https://en.wikipedia.org/wiki/Ayya%20%28smartphone%29 | AYYA is a smartphone series developed by Rostec. The first and only device in the series is the AYYA T1 which released on 28 October 2021 with Android 11 and plans to upgrade to Aurora OS. The T1 sold poorly and was affected by a CPU chip undersupply issue due in part to the supplier TSMC halting trade with Russia in ... | Ayya (smartphone) | Technology | 291 |
11,128,372 | https://en.wikipedia.org/wiki/Puccinia%20schedonnardii | Puccinia schedonnardii is a basidiomycete fungus that affects cotton. More commonly known as a “rust,” this pathogen typically affects cotton leaves, which can decrease the quality of the boll at time of harvest. As large percentages of cotton in the United States are resistant to various rust varieties, there is littl... | Puccinia schedonnardii | Biology | 1,050 |
31,256,890 | https://en.wikipedia.org/wiki/Gholam%20A.%20Peyman | Gholam A. Peyman (born 1 January 1937) is an Iranian American ophthalmologist, retina surgeon, and inventor. He is best known for his invention of LASIK eye surgery, a vision correction procedure designed to allow people to see clearly without glasses. He was awarded the first US patent for the procedure in 1989.
Life... | Gholam A. Peyman | Chemistry | 2,639 |
10,874,478 | https://en.wikipedia.org/wiki/Rope%20caulk | Rope caulk or caulking cord is a type of pliable putty or caulking formed into a rope-like shape. It is typically off-white in color, relatively odorless, and stays pliable for an extended period of time.
Rope caulk can be used as caulking or weatherstripping around conventional windows installed in conventional woode... | Rope caulk | Physics,Engineering | 311 |
483,924 | https://en.wikipedia.org/wiki/Audio%20analysis | Audio analysis refers to the extraction of information and meaning from audio signals for analysis, classification, storage, retrieval, synthesis, etc. The observation mediums and interpretation methods vary, as audio analysis can refer to the human ear and how people interpret the audible sound source, or it could ref... | Audio analysis | Engineering | 678 |
44,581,891 | https://en.wikipedia.org/wiki/Eye%20movement%20in%20scene%20viewing | Eye movement in scene viewing refers to the visual processing of information presented in scenes. This phenomenon has been studied in a range of areas such as cognitive psychology and psychophysics, where eye movement can be monitored under experimental conditions. A core aspect in these studies is the division of eye ... | Eye movement in scene viewing | Biology | 2,185 |
67,663,189 | https://en.wikipedia.org/wiki/Lenore%20Fahrig | Lenore Fahrig is a Chancellor's Professor in the biology department at Carleton University, Canada and a Fellow of the Royal Society of Canada. Fahrig studies effects of landscape structure—the arrangement of forests, wetlands, roads, cities, and farmland—on wildlife populations and biodiversity, and is best known for... | Lenore Fahrig | Environmental_science | 1,018 |
8,720,264 | https://en.wikipedia.org/wiki/History%20of%20the%20battery | Batteries provided the main source of electricity before the development of electric generators and electrical grids around the end of the 19th century. Successive improvements in battery technology facilitated major electrical advances, from early scientific studies to the rise of telegraphs and telephones, eventuall... | History of the battery | Technology | 5,079 |
1,179,236 | https://en.wikipedia.org/wiki/Gas%20cylinder | A gas cylinder is a pressure vessel for storage and containment of gases at above atmospheric pressure. Gas storage cylinders may also be called bottles. Inside the cylinder the stored contents may be in a state of compressed gas, vapor over liquid, supercritical fluid, or dissolved in a substrate material, depending o... | Gas cylinder | Physics,Chemistry,Engineering | 6,502 |
59,909,328 | https://en.wikipedia.org/wiki/Mary%20Rakowski%20DuBois | Mary Rakowski DuBois is an inorganic chemist, now retired from Pacific Northwest National Laboratory (PNNL). She made multiple contributions to inorganic and organometallic chemistry, focusing on synthetic and mechanistic studies. In recognition of her scientific contributions, she received several awards.
Education ... | Mary Rakowski DuBois | Chemistry | 387 |
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