id int64 580 79M | url stringlengths 31 175 | text stringlengths 9 245k | source stringlengths 1 109 | categories stringclasses 160
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44,732,855 | https://en.wikipedia.org/wiki/Target%20Motion%20Analysis | Target Motion Analysis (TMA) is a process to determine the position of a target using passive sensor information. Sensors like passive RADAR and SONAR provide directional and occasionally frequency information. TMA is done by marking from which direction the sound comes at different times, and comparing the motion with... | Target Motion Analysis | Technology | 385 |
2,902,729 | https://en.wikipedia.org/wiki/26%20Aquarii | 26 Aquarii is a single star located approximately 960 light years away from the Sun in the zodiac constellation of Aquarius. 26 Aquarii is the Flamsteed designation. It is visible to the naked eye as a dim, orange-hued star with an apparent visual magnitude of 5.66. This object is moving away from the Earth with a heli... | 26 Aquarii | Astronomy | 234 |
57,723,249 | https://en.wikipedia.org/wiki/List%20of%20engineering%20physics%20schools | Engineering physics (or engineering science) can be studied at the bachelors, masters and Ph.D. levels at many universities, typically offered in a partnership between engineering faculties and the departments of physics.
Canada
In Canada, the Canadian Engineering Accreditation Board is responsible for accrediting u... | List of engineering physics schools | Engineering | 182 |
1,514,313 | https://en.wikipedia.org/wiki/Nike-Cajun | The Nike-Cajun was a two-stage sounding rocket built by combining a Nike base stage with a Cajun upper stage. The Nike-Cajun was known as a CAN for Cajun And Nike. The Cajun was developed from the Deacon rocket. It retained the external size, shape and configuration of the Deacon but had 36 percent greater impulse than... | Nike-Cajun | Astronomy | 366 |
70,933,720 | https://en.wikipedia.org/wiki/Tolyltriazole | Tolyltriazole is a mixture of isomers or congeners that differ from benzotriazole by the addition of one methyl group attached somewhere on the benzene ring. "The term tolyltriazole (CAS 29385-43-1) generally [refers to] the commercial mixture composed of approximately equal amounts of 4- and 5-methylbenzotriazole, wit... | Tolyltriazole | Physics,Chemistry | 260 |
1,638,889 | https://en.wikipedia.org/wiki/Quantity%20surveyor | A quantity surveyor (QS) is a construction industry professional with expert knowledge on construction costs and contracts. Qualified professional quantity surveyors can be known as Chartered Surveyors (Members and Fellows of RICS) in the UK and Certified Quantity Surveyors (a designation of the Australian Institute o... | Quantity surveyor | Engineering | 806 |
916,705 | https://en.wikipedia.org/wiki/S%20Doradus | S Doradus (also known as S Dor) is one of the brightest stars in the Large Magellanic Cloud (LMC), a satellite galaxy of the Milky Way, located roughly 160,000 light-years away. The star is a luminous blue variable, and one of the most luminous stars known, having a luminosity varying widely above and below 1,000,000 t... | S Doradus | Astronomy | 2,081 |
11,460,514 | https://en.wikipedia.org/wiki/Stemphylium%20bolickii | Stemphylium bolickii is a plant pathogen infecting kalanchoes.
References
Fungal plant pathogens and diseases
Ornamental plant pathogens and diseases
Pleosporaceae
Fungus species | Stemphylium bolickii | Biology | 39 |
12,564,556 | https://en.wikipedia.org/wiki/Pressure%20angle | Pressure angle in relation to gear teeth, also known as the angle of obliquity, is the angle between the tooth face and the gear wheel tangent. It is more precisely the angle at a pitch point between the line of pressure (which is normal to the tooth surface) and the plane tangent to the pitch surface. The pressure ang... | Pressure angle | Engineering | 335 |
21,116,621 | https://en.wikipedia.org/wiki/Hookworm%20vaccine | Hookworm vaccine is a vaccine against hookworm. No effective vaccine for the disease in humans has yet been developed. Hookworms, parasitic nematodes transmitted in soil, infect approximately 700 million humans, particularly in tropical regions of the world where endemic hookworms include Ancylostoma duodenale and Neca... | Hookworm vaccine | Biology | 1,100 |
1,885,139 | https://en.wikipedia.org/wiki/List%20of%20species%20described%20by%20the%20Lewis%20and%20Clark%20Expedition | Meriwether Lewis collected many hundreds of plants on the Lewis and Clark Expedition. All of the plants Lewis collected in the first months of the Expedition were cached near the Missouri River to be retrieved on the return journey. The cache was completely destroyed by Missouri flood waters. Other collections were los... | List of species described by the Lewis and Clark Expedition | Biology | 2,329 |
43,966,007 | https://en.wikipedia.org/wiki/Titanium%20perchlorate | Titanium perchlorate is a molecular compound of titanium and perchlorate groups with formula Ti(ClO4)4. Anhydrous titanium perchlorate decomposes explosively at 130 °C and melts at 85 °C with a slight decomposition. It sublimes in a vacuum as low as 70 °C. Being a molecular with four perchlorate ligands, it is an unusu... | Titanium perchlorate | Chemistry | 588 |
55,526,566 | https://en.wikipedia.org/wiki/Theta%20Hydri | Theta Hydri, Latinized from θ Hydri, is a blue-white hued star in the southern constellation of Hydrus. It is faintly visible to the naked eye with an apparent visual magnitude of +5.53. Based upon an annual parallax shift of as seen from Earth, it is located approximately . At that distance, the visual magnitude of t... | Theta Hydri | Astronomy | 387 |
65,426,689 | https://en.wikipedia.org/wiki/NPZ%20model | An NPZ model is the most basic abstract representation, expressed as a mathematical model, of a pelagic ecosystem which examines the interrelationships between quantities of nutrients, phytoplankton and zooplankton as time-varying states which depend only on the relative concentrations of the various states at the give... | NPZ model | Physics,Biology,Environmental_science | 715 |
51,008,281 | https://en.wikipedia.org/wiki/Angarium | The Angarium (Latin; from Greek ) was the institution of the royal mounted couriers in ancient Persia. The messengers, called (), alternated in stations a day's ride apart along the Royal Road. The riders were exclusively in the service of the Great King and the network allowed for messages to be transported from Sus... | Angarium | Technology | 190 |
58,945,941 | https://en.wikipedia.org/wiki/2-Chloroethyl%20ethyl%20sulfide | 2-Chloroethyl ethyl sulfide is the organosulfur compound with the formula C2H5SC2H4Cl. It is a colorless liquid. The compound is part of the family of vesicant compounds known as half mustards, has been heavily investigated because of its structural similarity to the sulfur mustard S(C2H4Cl)2. The LD50s of the half a... | 2-Chloroethyl ethyl sulfide | Chemistry | 112 |
50,607,774 | https://en.wikipedia.org/wiki/Cortinarius%20indigoverus | Cortinarius indigoverus is a basidiomycete fungus of the genus Cortinarius native to New Guinea, where it grows under Nothofagus.
See also
List of Cortinarius species
References
External links
indigoverus
Fungi of New Guinea
Fungi described in 1990
Taxa named by Egon Horak
Fungus species | Cortinarius indigoverus | Biology | 70 |
4,956,783 | https://en.wikipedia.org/wiki/Persistence%20hunting | Persistence hunting, also known as endurance hunting or long-distance hunting, is a variant of pursuit predation in which a predator will bring down a prey item via indirect means, such as exhaustion, heat illness or injury. Hunters of this type will typically display adaptions for distance running, such as longer legs... | Persistence hunting | Biology | 795 |
32,825,892 | https://en.wikipedia.org/wiki/Kepler-39b | Kepler-39b (formerly known as KOI-423b), is a confirmed extrasolar object (either a Jovian planet or brown dwarf because of its mass) discovered orbiting the F-type star Kepler-39. It is eighteen times more massive than Jupiter, and is about five fourths its size. The planet orbits its host star at about 15% of the ave... | Kepler-39b | Astronomy | 1,173 |
12,797,709 | https://en.wikipedia.org/wiki/Origin%20myth | An origin myth is a type of myth that explains the beginnings of a natural or social aspect of the world. Creation myths are a type of origin myth narrating the formation of the universe. However, numerous cultures have stories that take place after the initial origin. These stories aim to explain the origins of natura... | Origin myth | Astronomy | 2,677 |
38,849,672 | https://en.wikipedia.org/wiki/Cardiophysics | Cardiophysics is an interdisciplinary science that stands at the junction of cardiology and medical physics, with researchers using the methods of, and theories from, physics to study cardiovascular system at different levels of its organisation, from the molecular scale to whole organisms. Being formed historically as... | Cardiophysics | Physics,Biology | 261 |
9,502,303 | https://en.wikipedia.org/wiki/Flux-corrected%20transport | Flux-corrected transport (FCT) is a conservative shock-capturing scheme for solving Euler equations and other hyperbolic equations which occur in gas dynamics, aerodynamics, and magnetohydrodynamics. It is especially useful for solving problems involving shock or contact discontinuities. An FCT algorithm consists of tw... | Flux-corrected transport | Physics,Chemistry | 192 |
29,874,967 | https://en.wikipedia.org/wiki/Gremiphyca | Gremiphyca is a lobed, non-mineralized alga with a pseudoparenchymatous thallus, dating to the Ediacaran period. The genus was reinvestigated by Xiao et al. and was interpreted to be a stem-group florideophyte.
References
Fossil algae
Ediacaran life | Gremiphyca | Biology | 71 |
1,652,134 | https://en.wikipedia.org/wiki/Interactive%20media | Interactive media normally refers to products and services on digital computer-based systems which respond to the user's actions by presenting content such as text, moving image, animation, video and audio. Since its early conception, various forms of interactive media have emerged with impacts on educational and comme... | Interactive media | Technology | 1,958 |
61,762,007 | https://en.wikipedia.org/wiki/Cladophialophora%20arxii | Cladophialophora arxii is a black yeast shaped dematiaceous fungus that is able to cause serious phaeohyphomycotic infections. C. arxii was first discovered in 1995 in Germany from a 22-year-old female patient suffering multiple granulomatous tracheal tumours. It is a clinical strain that is typically found in humans a... | Cladophialophora arxii | Biology | 1,495 |
25,166,327 | https://en.wikipedia.org/wiki/Pseudoconversational%20transaction | In transaction processing, a pseudoconversational transaction is a type of transaction that emulates a true conversation in an interactive session. To the end user, it appears as though the program has simply "paused" to request further input, whereas in reality, most resources are released while the input is waiting t... | Pseudoconversational transaction | Technology | 289 |
3,472,330 | https://en.wikipedia.org/wiki/Sun%20sensor | A Sun sensor is a navigational instrument used by spacecraft to detect the position of the Sun. Sun sensors are used for attitude control, solar array pointing, gyro updating, and fail-safe recovery.
In addition to spacecraft, Sun sensors find use in ground-based weather stations and Sun-tracking systems, and aerial v... | Sun sensor | Astronomy,Engineering | 313 |
41,077,244 | https://en.wikipedia.org/wiki/Endochytriaceae | The Endochytriaceae are a family of fungi in the order Cladochytriales. The family contains 10 genera and 56 species according to a 2008 estimate. It was circumscribed by mycologist Donald J.S. Barr in 1980.
References
External links
Chytridiomycota
Fungus families | Endochytriaceae | Biology | 69 |
24,109,039 | https://en.wikipedia.org/wiki/Quench%20press | A quench press is a machine that uses concentrated forces to hold an object as it is quenched. These types of quench facilities are used to quench large gears and other circular parts so that they remain circular. They are also used to quench saw blades and other flat or plate-shaped objects so that they remain flat.
... | Quench press | Chemistry,Materials_science | 140 |
31,675,463 | https://en.wikipedia.org/wiki/Spring%20system | In engineering and physics, a spring system or spring network is a model of physics described as a graph with a position at each vertex and a spring of given stiffness and length along each edge. This generalizes Hooke's law to higher dimensions. This simple model can be used to solve the pose of static systems from cr... | Spring system | Physics,Materials_science | 450 |
418,206 | https://en.wikipedia.org/wiki/Execution%20%28computing%29 | Execution in computer and software engineering is the process by which a computer or virtual machine interprets and acts on the instructions of a computer program. Each instruction of a program is a description of a particular action which must be carried out, in order for a specific problem to be solved. Execution inv... | Execution (computing) | Technology | 1,904 |
27,599,204 | https://en.wikipedia.org/wiki/Play%20Framework | Play Framework is an open-source web application framework which follows the model–view–controller (MVC) architectural pattern. It is written in Scala and usable from other programming languages that are compiled to JVM bytecode, e.g. Java. It aims to optimize developer productivity by using convention over configurati... | Play Framework | Technology | 836 |
40,289,067 | https://en.wikipedia.org/wiki/FlyExpress | FlyExpress is a free database that collects the expression patterns of Drosophila melanogaster in embryogenesis via a series of images submitted from BDGP, Fly-FISH and publications from other researchers, containing over 100,000 images of over 4,000 genes. It is currently available freely both online and as an iPhone ... | FlyExpress | Biology | 448 |
51,517,341 | https://en.wikipedia.org/wiki/NGC%20190 | NGC 190 is a pair of interacting galaxies located in the constellation Pisces. This galaxy is due to the collision of the two galaxies around 30 million years ago. It was discovered in 1894.
References
External links
0190
Interacting galaxies
Pisces (constellation) | NGC 190 | Astronomy | 54 |
22,448,016 | https://en.wikipedia.org/wiki/Hebeloma%20leucosarx | Hebeloma leucosarx is a species of mushroom in the family Hymenogastraceae.
H. leucosarx is found across a wide spectrum of habitats, from dry to wet and from soil that is calcareous and humus-poor to acidic and humus-rich. It is mostly found under deciduous trees but can occasionally be spotted under coniferous trees... | Hebeloma leucosarx | Biology | 94 |
1,857,196 | https://en.wikipedia.org/wiki/AF-heap | In computer science, the AF-heap is a type of priority queue for integer data, an extension of the fusion tree using an atomic heap proposed by M. L. Fredman and D. E. Willard.
Using an AF-heap, it is possible to perform insert or decrease-key operations and delete-min operations on machine-integer keys in time . Th... | AF-heap | Mathematics | 151 |
75,298,118 | https://en.wikipedia.org/wiki/Venkataraman%20Thangadurai | Venkataraman Thangadurai is a scientist recognized for his work in solid state ionics and chemistry. He is a professor at the University of St Andrews, specializing in Chemistry.
Early life and education
Thangadurai, who was born in India, earned his Chemistry degrees from various institutions in Tamil Nadu and a Ph.D... | Venkataraman Thangadurai | Chemistry | 886 |
2,907,947 | https://en.wikipedia.org/wiki/Computational%20Chemistry%20List | The Computational Chemistry List (CCL) was established on January 11, 1991, as an independent electronic forum for chemistry researchers and educators from around the world. According to the forum's web site, it is estimated that more than 3000 members in more than 50 countries are reading CCL messages regularly, and t... | Computational Chemistry List | Chemistry | 1,614 |
2,294,750 | https://en.wikipedia.org/wiki/Tule%20fog | Tule fog () is a thick ground fog that settles in the San Joaquin Valley and Sacramento Valley areas of California's Central Valley. Tule fog forms from late fall through early spring (California's winter season) after the first significant rainfall. The official time frame for tule fog to form is from November 1 to Ma... | Tule fog | Physics | 1,124 |
10,357,796 | https://en.wikipedia.org/wiki/Star%20lore | Star lore or starlore is the creating and cherishing of mythical stories about the stars and star patterns (constellations and asterisms); that is, folklore based upon the stars and star patterns. Using the stars to explain religious doctrines or actual events in history is also defined as star lore. Star lore has a ve... | Star lore | Astronomy | 1,127 |
7,246,375 | https://en.wikipedia.org/wiki/Covalent%20radius%20of%20fluorine | The covalent radius of fluorine is a measure of the size of a fluorine atom; it is approximated at about 60 picometres.
Since fluorine is a relatively small atom with a large electronegativity, its covalent radius is difficult to evaluate. The covalent radius is defined as half the bond lengths between two neutral ato... | Covalent radius of fluorine | Physics | 1,417 |
3,112,875 | https://en.wikipedia.org/wiki/Computational%20immunology | In academia, computational immunology is a field of science that encompasses high-throughput genomic and bioinformatics approaches to immunology. The field's main aim is to convert immunological data into computational problems, solve these problems using mathematical and computational approaches and then convert these... | Computational immunology | Technology,Engineering,Biology | 2,421 |
72,767,636 | https://en.wikipedia.org/wiki/Apafant | Apafant (WEB-2086, LSM-2613) is a drug which acts as a potent and selective inhibitor of the phospholipid mediator platelet-activating factor (PAF). It was developed by structural modification of the thienotriazolodiazepine sedative drug brotizolam and demonstrated that PAF inhibitory actions could be separated from ac... | Apafant | Chemistry | 164 |
10,696,667 | https://en.wikipedia.org/wiki/W%20Cephei | W Cephei is a spectroscopic binary and variable star located in the constellation Cepheus. It is thought to be a member of the Cep OB1 stellar association at about 8,000 light years. The supergiant primary star is one of the largest known stars and as well as one of the most luminous red supergiants.
Discovery
W Ceph... | W Cephei | Astronomy | 458 |
6,600,588 | https://en.wikipedia.org/wiki/List%20of%20stars%20in%20Antlia | This is the list of notable stars in the constellation Antlia, sorted by decreasing brightness.
See also
List of stars by constellation
References
List
Antlia | List of stars in Antlia | Astronomy | 31 |
65,053,190 | https://en.wikipedia.org/wiki/Conservation%20Letters | Conservation Letters is a bimonthly peer-reviewed open access scientific journal of the Society for Conservation Biology published by Wiley-Blackwell. It was established in 2008 and covers research on all aspects of conservation biology. The editor-in-chief is Graeme Cumming.
Abstracting and indexing
The journal is ab... | Conservation Letters | Environmental_science | 151 |
64,989,268 | https://en.wikipedia.org/wiki/IBRO-Kemali%20Prize | The IBRO Dargut and Milena Kemali International Prize for Research in the field of Basic and Clinical Neurosciences' is a prize awarded every two years to an outstanding researcher, under 45 years old, who made important contributions in the field of Basic and Clinical Neurosciences. The award was established in 1998.
... | IBRO-Kemali Prize | Technology | 683 |
2,452,868 | https://en.wikipedia.org/wiki/Alessandro%20Padoa | Alessandro Padoa (14 October 1868 – 25 November 1937) was an Italian mathematician and logician, a contributor to the school of Giuseppe Peano. He is remembered for a method for deciding whether, given some formal theory, a new primitive notion is truly independent of the other primitive notions. There is an analogous... | Alessandro Padoa | Mathematics | 1,176 |
641,982 | https://en.wikipedia.org/wiki/Mushroom%20poisoning | Mushroom poisoning is poisoning resulting from the ingestion of mushrooms that contain toxic substances. Symptoms can vary from slight gastrointestinal discomfort to death in about 10 days. Mushroom toxins are secondary metabolites produced by the fungus.
Mushroom poisoning is usually the result of ingestion of wild m... | Mushroom poisoning | Environmental_science | 6,251 |
2,820,700 | https://en.wikipedia.org/wiki/Dysnomia%20%28moon%29 | Dysnomia (formally (136199) Eris I Dysnomia) is the only known moon of the dwarf planet Eris and is the second-largest known moon of a dwarf planet, after Pluto I Charon. It was discovered in September 2005 by Mike Brown and the Laser Guide Star Adaptive Optics (LGSAO) team at the W. M. Keck Observatory. It carried the... | Dysnomia (moon) | Astronomy | 1,665 |
66,128,671 | https://en.wikipedia.org/wiki/Biphasic%20calcium%20sulfate | Biphasic calcium sulfate is a granulated powder composed of calcium sulfate hydrate (CaSO4•2H2O) and calcium sulfate hemihydrate (CaSO4•H2O). It is used primarily as a bone grafting material in dental augmentation procedures such as socket grafting, lateral augmentation, sinus lift, cyst enucleation and more.
The clin... | Biphasic calcium sulfate | Chemistry | 352 |
21,720,871 | https://en.wikipedia.org/wiki/RECOrd%20%28Local%20Biological%20Records%20Centre%29 | rECOrd is a Local Biological Records Centre (LRC) serving Cheshire, Halton, Warrington and Wirral (including the vice-county 'pan-handle' boundary around Stockport) - 'The Cheshire region'. It provides a local facility for the storage, validation and usage of Cheshire-based biological data under the National Biodiversi... | RECOrd (Local Biological Records Centre) | Biology,Environmental_science | 511 |
22,298,596 | https://en.wikipedia.org/wiki/Eco%20pickled%20surface | Eco pickled surface (EPS) is a process applied to hot rolled sheet steel to remove all surface oxides (mill scale) and clean the steel surface. Steel which has undergone the EPS process acquires a high degree of resistance to subsequent development of surface oxide (rust), so long as it does not come into direct contac... | Eco pickled surface | Chemistry,Materials_science | 1,684 |
71,483,246 | https://en.wikipedia.org/wiki/Leucocoprinus%20tenellus | Leucocoprinus tenellus is a species of mushroom producing fungus in the family Agaricaceae.
Taxonomy
It was first described in 1905 by the French mycologist Jean Louis Émile Boudier who classified it as Lepiota tenella accompanied with illustrations of the species. It was reclassified as Leucocoprinus tenellus in 194... | Leucocoprinus tenellus | Biology | 631 |
755,393 | https://en.wikipedia.org/wiki/Adrenarche | Adrenarche is an early stage in sexual maturation that happens in some higher primates (including humans), typically peaks at around 20 years of age, and is involved in the development of pubic hair, body odor, skin oiliness, axillary hair, sexual attraction/sexual desire/increased libido and mild acne. During adrenarc... | Adrenarche | Biology | 1,375 |
52,780,757 | https://en.wikipedia.org/wiki/List%20of%20psychoactive%20drugs%20used%20by%20militaries | Militaries worldwide have used or are using various psychoactive drugs to improve performance of soldiers by suppressing hunger, increasing the ability to sustain effort without food, increasing and lengthening wakefulness and concentration, suppressing fear, reducing empathy, and improving reflexes and memory-recall, ... | List of psychoactive drugs used by militaries | Chemistry | 534 |
495,503 | https://en.wikipedia.org/wiki/Columbia%20Data%20Products | Columbia Data Products, Inc. (CDP) is a company which produced the first legally reverse-engineered IBM PC clones, starting with the MPC 1600 series in 1982. It faltered in that market after only a few years, and later reinvented itself as a software development company.
History
1976–1986: As a hardware company
Col... | Columbia Data Products | Technology | 1,106 |
11,466,175 | https://en.wikipedia.org/wiki/Uromyces%20dianthi | Uromyces dianthi is a fungus species and plant pathogen infecting carnations and Euphorbia.
It was originally published as Uredo dianthi by mycologist Christiaan Hendrik Persoon in 1801, before it was transferred to the Uromyces genus in 1872 by Gustav Niessl von Mayendorf.
It is known as Carnation rust, it appears a... | Uromyces dianthi | Biology | 202 |
13,659,583 | https://en.wikipedia.org/wiki/Ethics%20of%20artificial%20intelligence | The ethics of artificial intelligence covers a broad range of topics within the field that are considered to have particular ethical stakes. This includes algorithmic biases, fairness, automated decision-making, accountability, privacy, and regulation.
It also covers various emerging or potential future challenges suc... | Ethics of artificial intelligence | Technology | 9,897 |
44,768,571 | https://en.wikipedia.org/wiki/SCH-202%2C596 | SCH-202,596 is a natural product which is a metabolite derived from an Aspergillus fungus. It acts as a selective non-peptide antagonist for the receptor GAL-1, which is usually activated by the neuropeptide galanin. SCH-202,596 is used for scientific research into this still little characterised receptor subtype.
Ref... | SCH-202,596 | Chemistry | 102 |
1,648,179 | https://en.wikipedia.org/wiki/L1%20family | The L1 family is a family of cell adhesion molecules that includes four different L1-like proteins. They are members of the immunoglobulin superfamily (IgSF CAM). The members of the L1-family in humans are called L1 or L1cam, CHL1 (close homologue of L1), Neurofascin and NRCAM (NgCAM related cell adhesion molecule). ... | L1 family | Chemistry | 515 |
5,987,648 | https://en.wikipedia.org/wiki/Uncertainty%20quantification | Uncertainty quantification (UQ) is the science of quantitative characterization and estimation of uncertainties in both computational and real world applications. It tries to determine how likely certain outcomes are if some aspects of the system are not exactly known. An example would be to predict the acceleration of... | Uncertainty quantification | Mathematics | 3,342 |
44,844,703 | https://en.wikipedia.org/wiki/Orientation%20of%20a%20vector%20bundle | In mathematics, an orientation of a real vector bundle is a generalization of an orientation of a vector space; thus, given a real vector bundle π: E →B, an orientation of E means: for each fiber Ex, there is an orientation of the vector space Ex and one demands that each trivialization map (which is a bundle map)
is ... | Orientation of a vector bundle | Physics,Mathematics | 629 |
74,536,110 | https://en.wikipedia.org/wiki/Hideyuki%20Matsumura | was a Japanese mathematician particularly known for his textbooks in commutative algebra. He received his Ph.D. in 1958 from Kyoto University under the advisory of mathematician Yasuo Akizuki.
References
External links
The Oberwolfach Photo Collection has photos of him.
1930 births
1995 deaths
20th-century Japanese... | Hideyuki Matsumura | Mathematics | 66 |
2,903,177 | https://en.wikipedia.org/wiki/36%20Aurigae | 36 Aurigae is a single variable star located about 910 light years away from the Sun in the constellation Auriga. It has the variable star designation V444 Aurigae, while 36 Aurigae is the Flamsteed designation. This object is visible to the naked eye as a dim, white-hued star with a baseline apparent visual magnitude ... | 36 Aurigae | Astronomy | 339 |
10,215,914 | https://en.wikipedia.org/wiki/NanoLanguage | NanoLanguage is a scripting interface built on top of the interpreted programming language Python, and is primarily intended for simulation of physical and chemical properties of nanoscale systems.
Introduction
Over the years, several electronic-structure codes based on density functional theory have been developed b... | NanoLanguage | Physics,Chemistry,Materials_science,Mathematics,Engineering | 654 |
2,469,066 | https://en.wikipedia.org/wiki/Acyl%20carrier%20protein | The acyl carrier protein (ACP) is a cofactor of both fatty acid and polyketide biosynthesis machinery. It is one of the most abundant proteins in cells of E. coli. In both cases, the growing chain is bound to the ACP via a thioester derived from the distal thiol of a 4'-phosphopantetheine moiety.
Structure
The ACPs ar... | Acyl carrier protein | Chemistry | 326 |
12,790,805 | https://en.wikipedia.org/wiki/Minaxolone | Minaxolone (CCI-12923) is a neuroactive steroid which was developed as a general anesthetic but was withdrawn before registration due to toxicity seen with long-term administration in rats, and hence was never marketed. It is a positive allosteric modulator of the GABAA receptor, as well as, less potently, a positive a... | Minaxolone | Chemistry | 162 |
23,642,093 | https://en.wikipedia.org/wiki/Superior%20multimineral%20process | The Superior multimineral process (also known as the McDowell–Wellman process or circular grate process) is an above ground shale oil extraction technology designed for production of shale oil, a type of synthetic crude oil. The process heats oil shale in a sealed horizontal segmented vessel (retort) causing its decomp... | Superior multimineral process | Chemistry | 759 |
7,606,440 | https://en.wikipedia.org/wiki/Efimov%20state | The Efimov effect is an effect in the quantum mechanics of few-body systems predicted by the Russian theoretical physicist V. N. Efimov in 1970. Efimov's effect is where three identical bosons interact, with the prediction of an infinite series of excited three-body energy levels when a two-body state is exactly at the... | Efimov state | Physics | 879 |
25,356,095 | https://en.wikipedia.org/wiki/Solar%20eclipse%20of%20November%204%2C%202040 | A partial solar eclipse will occur at the Moon's descending node of orbit on Sunday, November 4, 2040, with a magnitude of 0.8074. 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. A partial solar eclipse occurs in the ... | Solar eclipse of November 4, 2040 | Astronomy | 541 |
49,067,628 | https://en.wikipedia.org/wiki/M%C3%A9canique%20analytique | Mécanique analytique (1788–89) is a two volume French treatise on analytical mechanics, written by Joseph-Louis Lagrange, and published 101 years after Isaac Newton's Philosophiæ Naturalis Principia Mathematica.
Treatise
It consolidated into one unified and harmonious system, the scattered developments of contributors... | Mécanique analytique | Physics,Mathematics | 503 |
24,342,806 | https://en.wikipedia.org/wiki/C15H21NO3 | {{DISPLAYTITLE:C15H21NO3}}
The molecular formula C15H21NO3 (molar mass: 263.332 g/mol, exact mass: 263.1521 u) may refer to:
Hydroxypethidine (Bemidone)
Metostilenol
N-Ethylhexylone
Molecular formulas | C15H21NO3 | Physics,Chemistry | 76 |
74,520,478 | https://en.wikipedia.org/wiki/Gregor%20Sch%C3%B6ner | Gregor Schöner (born 1958 in Sindelfingen) is a German computational neuroscientist. He is professor for the theory of cognitive systems at the Ruhr University Bochum, as well as the director of the Institute for Neuroinformatics located there.
Life and work
From 1983 to 1985 Gregor Schöner studied physics and math... | Gregor Schöner | Biology | 587 |
37,647,580 | https://en.wikipedia.org/wiki/Lie%E2%80%93Palais%20theorem | In differential geometry, a field of mathematics, the Lie–Palais theorem is a partial converse to the fact that any smooth action of a Lie group induces an infinitesimal action of its Lie algebra. proved it as a global form of an earlier local theorem due to Sophus Lie.
Statement
Let be a finite-dimensional Lie alg... | Lie–Palais theorem | Mathematics | 296 |
21,523,297 | https://en.wikipedia.org/wiki/Emu%20Brewery | The Emu Brewery was a brewery in Perth, Western Australia, which traced its history to the first decade of the Swan River Colony. Founded in 1837 by James Stokes as the Albion Brewery, it was located beside the Swan River on a block bounded by Mounts Bay Road, Spring Street and Mount Street. The business changed hands ... | Emu Brewery | Engineering | 2,105 |
32,903,055 | https://en.wikipedia.org/wiki/Pellets%20%28petrology%29 | Pellets are small spherical to ovoid or rod-shaped grains that are common component of many limestones. They are typically 0.03 to 0.3 mm long and composed of carbonate mud (micrite). Their most common size is 0.04 to 0.08 mm. Pellets typically lack any internal structure and are remarkably uniform in size and shape in... | Pellets (petrology) | Biology | 549 |
35,819,612 | https://en.wikipedia.org/wiki/Osculant | In mathematical invariant theory, the osculant or tacinvariant or tact invariant is an invariant of a hypersurface that vanishes if the hypersurface touches itself, or an invariant of several hypersurfaces that osculate, meaning that they have a common point where they meet to unusually high order.
References
Invari... | Osculant | Physics | 72 |
64,536,317 | https://en.wikipedia.org/wiki/Towards%20a%20New%20Socialism | Towards a New Socialism is a 1993 non-fiction book written by Scottish computer scientist Paul Cockshott, co-authored by Scottish economics professor Allin F. Cottrell. The book outlines in detail a proposal for a complex planned socialist economy, taking inspiration from cybernetics, the works of Karl Marx, and Britis... | Towards a New Socialism | Engineering | 1,538 |
53,855,339 | https://en.wikipedia.org/wiki/NGC%20445 | NGC 445 is a peculiar lenticular galaxy located in the constellation of Cetus. It was discovered on October 23, 1864, by Albert Marth. It was described by Dreyer as "very faint, very small."
References
External links
0445
18641023
Cetus
Lenticular galaxies
Discoveries by Albert Marth
004493 | NGC 445 | Astronomy | 70 |
54,632,483 | https://en.wikipedia.org/wiki/Halorubrum%20vacuolatum | Halorubrum vacuolatum is a halophilic archaeon in the family of Halorubraceae. It is an extremophile and is able to survive in water with high salt concentration.
References
Euryarchaeota
Archaea described in 1993 | Halorubrum vacuolatum | Biology | 57 |
8,318,947 | https://en.wikipedia.org/wiki/Naum%20Yakovlevich%20Vilenkin | Naum Yakovlevich Vilenkin (, October 30, 1920 in Moscow – October 19, 1991 in Moscow) was a Soviet mathematician, an expert in representation theory, the theory of special functions, functional analysis, and combinatorics. He is best known as the author of many books in recreational mathematics aimed at middle and high... | Naum Yakovlevich Vilenkin | Mathematics | 576 |
11,908,009 | https://en.wikipedia.org/wiki/91%20Aquarii%20b | 91 Aquarii b, also known as HD 219449 b, is an extrasolar planet orbiting in the 91 Aquarii system approximately 148 light-years away in the constellation of Aquarius. It orbits at the average distance of 105 Gm from its star, which is slightly closer than Venus is to the sun (108 Gm). The planet takes half an Earth ... | 91 Aquarii b | Astronomy | 134 |
11,460,087 | https://en.wikipedia.org/wiki/Bipolaris%20sacchari | Bipolaris sacchari is a fungal plant pathogen in the family Pleosporaceae.
Bipolaris sacchari is an ascomycete fungal pathogen most notably affecting sugarcane. In its sexual stage, it produces spores housed in an ascus (a sac, usually with 8 spores inside). The spores are dispersed when the sac bursts. They spread to... | Bipolaris sacchari | Biology | 682 |
17,010,350 | https://en.wikipedia.org/wiki/Galactosemic%20cataract | A galactosemic cataract is cataract which is associated with the consequences of galactosemia.
Types
The presence of presenile cataract, noticeable in galactosemic infants as young as a few days old, is highly associated with two distinct types of galactosemia: GALT deficiency and to a greater extent, GALK deficiency.... | Galactosemic cataract | Chemistry | 3,410 |
48,186,544 | https://en.wikipedia.org/wiki/BgK | BgK is a neurotoxin found within secretions of the sea anemone Bunodosoma granulifera which blocks voltage-gated potassium channels, thus inhibiting neuronal repolarization.
Etymology
The neurotoxin was named BgK, with the Bg representing the Latin taxonomy (Bunodosoma granulifera) of the specific sea anemone from wh... | BgK | Chemistry | 1,067 |
35,949,366 | https://en.wikipedia.org/wiki/Xi1%20Ceti | {{DISPLAYTITLE:Xi1 Ceti}}
Xi1 Ceti , Latinized from ξ1 Ceti, is a binary star system located in the equatorial constellation of Cetus. It is visible to the naked eye with a combined apparent visual magnitude of +4.36. The distance to this system is approximately 340 light years based on parallax measurements, and i... | Xi1 Ceti | Astronomy | 514 |
38,900,262 | https://en.wikipedia.org/wiki/Tricholoma%20cingulatum | Tricholoma cingulatum is a mushroom of the agaric genus Tricholoma. First described in 1830 as Agaricus cingulatus by Elias Magnus Fries, it was transferred to the genus Tricholoma by Almfelt in 1830.
See also
List of North American Tricholoma
List of Tricholoma species
References
cingulatum
Fungi described in 1830
... | Tricholoma cingulatum | Biology | 93 |
592,136 | https://en.wikipedia.org/wiki/Palladian%20architecture | Palladian architecture is a European architectural style derived from the work of the Venetian architect Andrea Palladio (1508–1580). What is today recognised as Palladian architecture evolved from his concepts of symmetry, perspective and the principles of formal classical architecture from ancient Greek and Roman tra... | Palladian architecture | Engineering | 6,018 |
21,233,035 | https://en.wikipedia.org/wiki/Wolfgang%20von%20Wersin | Wolfgang von Wersin (3 December 188213 June 1976) was a Czech-born designer, painter, architect and author who developed his career in Germany.
Born in Prague, he studied architecture at the Technische University of Munich (19011904) and, in parallel (1902 to 1905), he also studied drawing and painting at the Lehr- un... | Wolfgang von Wersin | Engineering | 1,223 |
1,364,502 | https://en.wikipedia.org/wiki/Belt%20%28mechanical%29 | A belt is a loop of flexible material used to link two or more rotating shafts mechanically, most often parallel. Belts may be used as a source of motion, to transmit power efficiently or to track relative movement. Belts are looped over pulleys and may have a twist between the pulleys, and the shafts need not be paral... | Belt (mechanical) | Physics | 5,798 |
13,521,210 | https://en.wikipedia.org/wiki/Edward%20Kofler | Edward Kofler (November 16, 1911 – April 22, 2007) was a mathematician who made important contributions to game theory and fuzzy logic by working out the theory of linear partial information.
Biography
Kofler was born in Brzeżany, Austrian-Hungarian empire (now western Ukraine) and graduated as a disciple of among oth... | Edward Kofler | Mathematics | 2,028 |
65,636,147 | https://en.wikipedia.org/wiki/House%20%26%20Home | House & Home magazine (also known as Canadian House & Home magazine) is a decorating, design and lifestyle publication that is published by the Toronto-based company House & Home Media.
The publication's title has a long history that goes back as far as 1952, although the magazine's current ownership, direction and s... | House & Home | Engineering | 395 |
2,642,277 | https://en.wikipedia.org/wiki/Geron%20Corporation | Geron Corporation is a biotechnology company located in Foster City, California which specializes in developing and commercializing therapeutic products for cancer that inhibit telomerase.
Company information
Geron, based in Foster City, California, was founded by gerontologist Mary C. West and Michael D. West, now C... | Geron Corporation | Biology | 1,618 |
3,220,183 | https://en.wikipedia.org/wiki/Polyfuse%20%28PROM%29 | A polyfuse is a one-time-programmable memory component used in semiconductor circuits for storing unique data like chip identification numbers or memory repair data, but more usually small to medium volume production of read only memory devices or microcontroller chips. They were also used as to permit programming of ... | Polyfuse (PROM) | Physics | 388 |
64,075,852 | https://en.wikipedia.org/wiki/Chemistry%20and%20Energy%20Federation | The Chemistry and Energy Federation (, FCE) is a trade union representing workers in the energy and chemical industries in France.
The union was founded in 1997, when the Gas and Electricity Federation merged with the United Federation of Chemistry. Like its predecessors, the union affiliated to the French Democratic... | Chemistry and Energy Federation | Chemistry | 131 |
39,124,477 | https://en.wikipedia.org/wiki/Combined%20forced%20and%20natural%20convection | In fluid thermodynamics, combined forced convection and natural convection, or mixed convection, occurs when natural convection and forced convection mechanisms act together to transfer heat. This is also defined as situations where both pressure forces and buoyant forces interact. How much each form of convection cont... | Combined forced and natural convection | Physics,Chemistry | 856 |
19,662 | https://en.wikipedia.org/wiki/Mean%20value%20theorem | In mathematics, the mean value theorem (or Lagrange's mean value theorem) states, roughly, that for a given planar arc between two endpoints, there is at least one point at which the tangent to the arc is parallel to the secant through its endpoints. It is one of the most important results in real analysis. This theore... | Mean value theorem | Mathematics | 2,769 |
20,848,458 | https://en.wikipedia.org/wiki/Adularescence | Adularescence ( ) is an optical phenomenon that is produced in gemstones like moonstone. The optical effect is similar to labradorescence and aventurescence.
Description
The effect of adularescence, also commonly referred to as schiller or shiller, is best described as a milky, bluish luster or glow originating from b... | Adularescence | Physics | 417 |
73,274,469 | https://en.wikipedia.org/wiki/1976%20CASAW%20wildcat%20strike | The 1976 CASAW wildcat strike was a wildcat strike action by members of the Canadian Association of Smelters and Allied Workers Union (CASAW) against Alcan in Kitimat, British Columbia. Lasting 18 days, CASAW members protested against wage and price controls imposed by the federal government. CASAW was affiliated with ... | 1976 CASAW wildcat strike | Chemistry | 126 |
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