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 |
|---|---|---|---|---|---|
40,454,460 | https://en.wikipedia.org/wiki/Phomopsis%20longicolla | Phomopsis longicolla is a species of ascomycete fungus in the family Diaporthaceae. It is a plant pathogen and mainly responsible for a soybean disease called Phomopsis seed decay (PSD). In other plant species, P. longicolla can also live as an endophyte, such as in the mangrove plant Sonneratia caseolaris. P. longicol... | Phomopsis longicolla | Biology | 174 |
458,675 | https://en.wikipedia.org/wiki/Brinell%20scale | The Brinell scale (pronounced ) measures the indentation hardness of materials. It determines hardness through the scale of penetration of an indenter, loaded on a material test-piece. It is one of several definitions of hardness in materials science. The hardness scale is expressed as the Brinell Hardness Number (BHN ... | Brinell scale | Materials_science,Mathematics | 904 |
52,845,426 | https://en.wikipedia.org/wiki/Aspergillus%20monodii | Aspergillus monodii is a coprophilic species of fungus in the genus Aspergillus which has been isolated from an arid zone in Africa.
References
Further reading
monodii
Fungi described in 2011
Fungus species | Aspergillus monodii | Biology | 48 |
65,223,668 | https://en.wikipedia.org/wiki/Ernest%20Harold%20Baynes | Ernest Harold Baynes (1868–1925) was an American naturalist and writer. He was instrumental in bringing to public attention the near demise of songbirds and of the bison. He founded the American Bison Society, of which President Teddy Roosevelt was honorary chairman. He was "the closest thing New England, and the world... | Ernest Harold Baynes | Chemistry | 1,637 |
11,286,568 | https://en.wikipedia.org/wiki/World%20Electric%20Vehicle%20Association | The World Electric Vehicle Association (WEVA) is an organization that promotes electric vehicles.
Member associations
It is composed of:
The Electric Drive Transportation Association (EDTA)
The Electric Vehicle Association of Asia Pacific (EVAAP)
The European Association for Battery, Hybrid and Fuel Cell Electric... | World Electric Vehicle Association | Engineering | 437 |
288,291 | https://en.wikipedia.org/wiki/Ricci%20flow | In the mathematical fields of differential geometry and geometric analysis, the Ricci flow ( , ), sometimes also referred to as Hamilton's Ricci flow, is a certain partial differential equation for a Riemannian metric. It is often said to be analogous to the diffusion of heat and the heat equation, due to formal simila... | Ricci flow | Mathematics | 5,807 |
15,355,278 | https://en.wikipedia.org/wiki/ZNF41 | Zinc finger protein 41 is a protein that in humans is encoded by the ZNF41 gene.
This gene product is a likely zinc finger family transcription factor. It contains KRAB-A and KRAB-B domains that act as transcriptional repressors in related proteins, and multiple zinc finger DNA binding motifs and finger linking region... | ZNF41 | Chemistry,Biology | 127 |
16,549,386 | https://en.wikipedia.org/wiki/Trust%20anchor | In cryptographic systems with hierarchical structure, a trust anchor is an authoritative entity for which trust is assumed and not derived.
In the X.509 architecture, a root certificate would be the trust anchor from which the whole chain of trust is derived. The trust anchor must be in the possession of the trusting ... | Trust anchor | Technology | 169 |
2,584,965 | https://en.wikipedia.org/wiki/Japanese%20theorem%20for%20cyclic%20polygons | In geometry, the Japanese theorem states that no matter how one triangulates a cyclic polygon, the sum of inradii of triangles is constant.
Conversely, if the sum of inradii is independent of the triangulation, then the polygon is cyclic. The Japanese theorem follows from Carnot's theorem; it is a Sangaku problem.
Pr... | Japanese theorem for cyclic polygons | Mathematics | 614 |
46,408,285 | https://en.wikipedia.org/wiki/Abell%202067 | Abell 2067 is a galaxy cluster in the constellation of Corona Borealis. On a larger scale, Abell 2067, along with Abell 2061, Abell 2065, Abell 2079, Abell 2089, and Abell 2092, make up the Corona Borealis Supercluster. Abell 2061 lies 1.8 megaparsecs south of it and the two are likely interacting.
References
Corona ... | Abell 2067 | Astronomy | 97 |
143,532 | https://en.wikipedia.org/wiki/Pardaxin | Pardaxin is a peptide produced by the Red Sea sole (P4, P5) and the Pacific Peacock sole (P1, P2, P3) that is used as a shark repellent. It causes lysis of mammalian and bacterial cells, similar to melittin.
Synthesis
In the lab, pardaxin is synthesized using an automated peptide synthesizer. Alternatively, the secret... | Pardaxin | Biology | 827 |
175,075 | https://en.wikipedia.org/wiki/Yuga | A yuga, in Hinduism, is generally used to indicate an age of time.
In the Rigveda, a yuga refers to generations, a period of time (whether long or short), or a yoke (joining of two things). In the Mahabharata, the words yuga and kalpa (a day of Brahma) are used interchangeably to describe the cycle of creation and des... | Yuga | Physics,Mathematics | 666 |
36,122,626 | https://en.wikipedia.org/wiki/Juchart | A Juchart (also Jucharte or Juchard, in French Pose, in Italian Pertica) was a unit of area measurement used in rural Switzerland until the early 20th century. In other German speaking regions it was known as a Joch, Jochart, Jauchart, Jauch, Juck or Juckert. The Juchart was a measurement of the amount of farm land th... | Juchart | Mathematics | 196 |
3,480,841 | https://en.wikipedia.org/wiki/Polarization-division%20multiple%20access | Polarization-division multiple access (PDMA) is a channel access method used in some cellular networks and broadcast satellite services. Separate antennas are used in this type, each with different polarization and followed by separate receivers, allowing simultaneous regional access of satellites.
Each corresponding ... | Polarization-division multiple access | Physics | 147 |
298,804 | https://en.wikipedia.org/wiki/Stored-value%20card | A stored-value card (SVC) or cash card is a payment card with a monetary value stored on the card itself, not in an external account maintained by a financial institution. This means no network access is required by the payment collection terminals as funds can be withdrawn and deposited straight from the card. Like ca... | Stored-value card | Engineering | 1,821 |
8,245,866 | https://en.wikipedia.org/wiki/Alpha-particle%20spectroscopy | Alpha spectrometry (also known as alpha(-particle) spectroscopy) is the quantitative study of the energy of alpha particles emitted by a radioactive nuclide that is an alpha emitter.
As emitted alpha particles are mono-energetic (i.e. not emitted with a spectrum of energies, such as beta decay) with energies often di... | Alpha-particle spectroscopy | Physics,Chemistry | 1,155 |
40,366,664 | https://en.wikipedia.org/wiki/Quarter%208-cubic%20honeycomb | In seven-dimensional Euclidean geometry, the quarter 8-cubic honeycomb is a uniform space-filling tessellation (or honeycomb). It has half the vertices of the 8-demicubic honeycomb, and a quarter of the vertices of a 8-cube honeycomb. Its facets are 8-demicubes h{4,36}, pentic 8-cubes h6{4,36}, {3,3}×{32,1,1} and {31,1... | Quarter 8-cubic honeycomb | Physics,Chemistry,Materials_science | 276 |
2,903,479 | https://en.wikipedia.org/wiki/Omicron%20Bo%C3%B6tis | Omicron Boötis (ο Boötis) is a yellow-hued star in the northern constellation of Boötes. With an apparent visual magnitude of +4.60, it is a fifth magnitude star that is visible to the naked eye. Based upon an annual parallax shift of 13.42 mas as seen from the Earth, it is located about 243 light years from the Sun. ... | Omicron Boötis | Astronomy | 283 |
864,168 | https://en.wikipedia.org/wiki/Mains%20electricity%20by%20country | Mains electricity by country includes a list of countries and territories, with the plugs, voltages and frequencies they commonly use for providing electrical power to low voltage appliances, equipment, and lighting typically found in homes and offices. (For industrial machinery, see industrial and multiphase power plu... | Mains electricity by country | Physics,Engineering | 699 |
56,717,276 | https://en.wikipedia.org/wiki/Sara%20Negri | Sara Negri (born January 21, 1967) is a mathematical logician who studies proof theory.
She is Italian, worked in Finland for several years, where she was a professor of theoretical philosophy in the University of Helsinki, and currently holds a position as professor of mathematical logic at the University of Genoa.
E... | Sara Negri | Mathematics | 309 |
4,379,834 | https://en.wikipedia.org/wiki/British%20Rail%20flying%20saucer | The British Rail flying saucer, officially known simply as space vehicle, was a proposed interplanetary spacecraft designed by Charles Osmond Frederick. Although the proposed craft required controlled thermonuclear fusion and other futuristic technologies, a patent application was filed on behalf of British Rail in Dec... | British Rail flying saucer | Astronomy,Technology | 585 |
32,694,134 | https://en.wikipedia.org/wiki/Ya%20cai | Ya cai () is a pickled vegetable originating from the Sichuan province, China. It is made from the upper stems of a variety of mustard green. Ya Cai is more pungent than the similar zha cai.
See also
Tianjin preserved vegetable
Zha cai
Suan cai
Pao cai
Meigan cai
References
External links
fuchsiadunlop.com
Sohbe... | Ya cai | Biology | 100 |
22,342,102 | https://en.wikipedia.org/wiki/NGC%207049 | NGC 7049 is a lenticular galaxy that spans about 150,000 light-years and lies about 100 million light-years away from Earth in the inconspicuous southern constellation of Indus.
NGC 7049's unusual appearance is largely due to a prominent rope-like dust ring which stands out against the starlight behind it. These dust ... | NGC 7049 | Astronomy | 192 |
2,422,023 | https://en.wikipedia.org/wiki/Reflection%20group | In group theory and geometry, a reflection group is a discrete group which is generated by a set of reflections of a finite-dimensional Euclidean space. The symmetry group of a regular polytope or of a tiling of the Euclidean space by congruent copies of a regular polytope is necessarily a reflection group. Reflection ... | Reflection group | Physics | 744 |
29,015,125 | https://en.wikipedia.org/wiki/Ammonium%20sulfite | Ammonium sulfite is the ammonium salt of sulfurous acid with the chemical formula (NH4)2SO3.
Preparation
Ammonium sulfite can be prepared by the reaction of ammonia with sulfur dioxide in aqueous solution:
Ammonium sulfite is produced in gas scrubbers, now obsolete, consisting of ammonium hydroxide to remove sulfur d... | Ammonium sulfite | Chemistry | 423 |
71,809,134 | https://en.wikipedia.org/wiki/Veerse%20Gatdam | The Veerse Gatdam is a man-made barrier across the former Eastern Scheldt estuary branch known as the Veerse Gat, between Walcheren and Noord-Beveland islands in Zeeland, Netherlands. The barrier was completed on 27 April 1961. Because of the completion of this barrier and the completion of the Zandkreekdam a year prio... | Veerse Gatdam | Physics | 434 |
59,110,697 | https://en.wikipedia.org/wiki/Marco%20Fraaije | Marco Wilhelmus Fraaije (born 7 December 1968) is a Dutch scientist whose research concerns enzymology of redox enzymes, enzyme discovery & engineering and biocatalysis at the Groningen Biomolecular Sciences and Biotechnology Institute (GBB) at the University of Groningen.
Education
Marco Fraaije graduated in 1993 wi... | Marco Fraaije | Biology | 772 |
231,102 | https://en.wikipedia.org/wiki/Air-ground%20radiotelephone%20service | Air-ground radiotelephone service is a system that allows voice calls and other communication services to be made from an aircraft to either a satellite or land-based network. The service operates via a transceiver mounted in the aircraft on designated frequencies. In the US these frequencies have been allocated by the... | Air-ground radiotelephone service | Technology | 1,424 |
681,481 | https://en.wikipedia.org/wiki/Immirzi%20parameter | The Immirzi parameter (also known as the Barbero–Immirzi parameter) is a numerical coefficient appearing in loop quantum gravity (LQG), a nonperturbative theory of quantum gravity. The Immirzi parameter measures the size of the quantum of area in Planck units. As a result, its value is currently fixed by matching the s... | Immirzi parameter | Physics,Astronomy | 1,258 |
46,693,835 | https://en.wikipedia.org/wiki/Blastocladiaceae | The Blastocladiaceae are a family of fungi in the division Blastocladiomycota. It contains the following genera:
Allomyces
Blastocladiella
Blastocladia
Blastocladiopsis
Microallomyces
The family was circumscribed by Henning Eiler Petersen in 1909.
References
External links
Blastocladiomycota
Aquatic fungi
Fun... | Blastocladiaceae | Biology | 83 |
37,488,173 | https://en.wikipedia.org/wiki/International%20Journal%20of%20Nanomedicine | The International Journal of Nanomedicine is a peer-reviewed medical journal covering research on the application of nanotechnology in diagnostics, therapeutics, and drug delivery systems throughout the biomedical field. The journal was established in 2006 and is published by Dove Medical Press.
External links
Do... | International Journal of Nanomedicine | Materials_science | 80 |
28,798,783 | https://en.wikipedia.org/wiki/OpenSonATA | Open SonATA stands for Open SETI on the Allen Telescope Array and is the open source version of the software are used for signal detection by the SETI Institute on the Allen Telescope Array (ATA). The software currently runs on Linux and macOS operating systems and is intended to be ported to multiple platforms. The Al... | OpenSonATA | Astronomy | 190 |
21,723,146 | https://en.wikipedia.org/wiki/Monoi%20oil | Monoï oil is an infused perfume-oil made from soaking the petals of Tahitian gardenias (best known as Tiaré flowers) in coconut oil. Monoï (pronounced mah-noy) is a Tahitian word meaning "scented oil" in the Tahitian. Monoï is widely used among French Polynesians as a skin and hair softener.
Authentic Tahitian monoi o... | Monoi oil | Chemistry | 1,396 |
3,005,092 | https://en.wikipedia.org/wiki/Ribosome%20shunting | Ribosome shunting is a mechanism of translation initiation in which ribosomes bypass, or "shunt over", parts of the 5' untranslated region to reach the start codon. However, a benefit of ribosomal shunting is that it can translate backwards allowing more information to be stored than usual in an mRNA molecule. Some vir... | Ribosome shunting | Chemistry | 1,231 |
1,659,199 | https://en.wikipedia.org/wiki/Narrabri%20Stellar%20Intensity%20Interferometer | The Narrabri Stellar Intensity Interferometer (NSII) was the first astronomical instrument to measure the diameters of a large number of stars at visible wavelengths. It was designed by (amongst others) Robert Hanbury Brown, who received the Hughes Medal in 1971 for this work. It was built by University of Sydney Schoo... | Narrabri Stellar Intensity Interferometer | Astronomy | 267 |
39,207,906 | https://en.wikipedia.org/wiki/Bupirimate | Bupirimate (systematic name 5-butyl-2-ethylamino-6-methylpyrimidin-4-yldimethylsulphamate; brand names Nimrod and Roseclear 2) is an active ingredient of plant protection products (or pesticides), which has an effect as a fungicide. It belongs to the chemical family of pyrimidine sulfamates. Bupirimate has translaminar... | Bupirimate | Biology | 423 |
50,375,026 | https://en.wikipedia.org/wiki/Power-to-X | Power-to-X (also P2X and P2Y) are electricity conversion, energy storage, and reconversion pathways from surplus renewable energy.
Power-to-X conversion technologies allow for the decoupling of power from the electricity sector for use in other sectors (such as transport or chemicals), possibly using power that has be... | Power-to-X | Engineering,Environmental_science | 1,207 |
23,321,374 | https://en.wikipedia.org/wiki/Tetraphenylporphyrin | Tetraphenylporphyrin, abbreviated TPP or H2TPP, is a synthetic heterocyclic compound that resembles naturally occurring porphyrins. Porphyrins are dyes and cofactors found in hemoglobin and cytochromes and are related to chlorophyll and vitamin B12. The study of naturally occurring porphyrins is complicated by their ... | Tetraphenylporphyrin | Chemistry | 924 |
5,652,499 | https://en.wikipedia.org/wiki/Mother%20Camels | The protecting Mother Camels (Arabic العوائذ alʽawaʼid) is an asterism in the constellation of Draco described by ancient Arabic nomadic tribes. The asterism was interpreted as a ring of mother camels – Beta Draconis (Rastaban), Gamma Draconis (Eltanin), Nu Draconis (Kuma) and Xi Draconis (Grumium) – surrounding a foal... | Mother Camels | Astronomy | 231 |
8,619,670 | https://en.wikipedia.org/wiki/Polytetrahedron | Polytetrahedron is a term used for three distinct types of objects, all based
on the tetrahedron:
A uniform convex 4-polytope made up of 600 tetrahedral cells. It is more commonly known as a 600-cell or hexacosichoron. Other derivative 4-polytope are identified as polytetrahedra, where a qualifying prefix such as rect... | Polytetrahedron | Mathematics | 213 |
26,021,893 | https://en.wikipedia.org/wiki/List%20of%20email%20subject%20abbreviations | This is a list of commonly and uncommonly used abbreviations that are used in the subject box of an English-language email header.
Standard prefixes
These prefixes are usually automatically inserted by the email client.
Re: or RE: followed by the subject line of a previous message indicates a reply to that message... | List of email subject abbreviations | Technology | 2,889 |
22,262,277 | https://en.wikipedia.org/wiki/Silver%20bromate | Silver bromate (AgBrO3), is a toxic, light and heat-sensitive, white powder.
Uses
Silver bromate can be used as an oxidant for the transformation of tetrahydropyranyl ethers to carbonyl compounds.
References
External links
Silver bromate solubility
Chemical data
Bromates
Silver compounds
Oxidizing agents
Reagents... | Silver bromate | Chemistry | 79 |
13,940,388 | https://en.wikipedia.org/wiki/Francesco%20Sannino | Francesco Sannino (born 9 February 1968) is an Italian theoretical physicist and a professor at the University of Southern Denmark. He conducts research in the topics of effective field theories and their applications to strongly coupled theories such as quantum chromodynamics. He also researches in beyond standard mod... | Francesco Sannino | Physics | 256 |
34,404,486 | https://en.wikipedia.org/wiki/Inglenook | An inglenook or chimney corner is a recess that adjoins a fireplace. The word comes from "ingle", an old Scots word for a domestic fire (derived from the Gaelic aingeal), and "nook".
The inglenook originated as a partially enclosed hearth area, appended to a larger room. The hearth was used for cooking, and its enclo... | Inglenook | Technology,Engineering | 195 |
15,872,404 | https://en.wikipedia.org/wiki/Mormon%20views%20on%20evolution | The Church of Jesus Christ of Latter-day Saints (LDS Church) takes no official position on whether or not biological evolution has occurred, nor on the validity of the modern evolutionary synthesis as a scientific theory. In the twentieth century, the First Presidency of the LDS Church published doctrinal statements on... | Mormon views on evolution | Biology | 8,191 |
7,262,157 | https://en.wikipedia.org/wiki/Sintz%20Gas%20Engine%20Company | The Sintz Gas Engine Company was formed in about 1885 by Clark Sintz and others in Springfield, Ohio. It was a pioneering marine engine manufacturing business that expanded into other fields. After its sale in 1902 to the Michigan Yacht and Power Company, Sintz ceased to exist in 1903 as an entity.
Background
Clark Si... | Sintz Gas Engine Company | Engineering | 683 |
8,553,751 | https://en.wikipedia.org/wiki/Biological%20organisation | Biological organisation is the organisation of complex biological structures and systems that define life using a reductionistic approach. The traditional hierarchy, as detailed below, extends from atoms to biospheres. The higher levels of this scheme are often referred to as an ecological organisation concept, or as t... | Biological organisation | Biology | 1,295 |
52,983,512 | https://en.wikipedia.org/wiki/Pi%20Fornacis | π Fornacis (Latinised as Pi Fornacis) is the Bayer designation for a binary star system in the southern constellation of Fornax. It has an apparent visual magnitude of 5.360, which is bright enough to be seen with the naked eye on a dark night. With an annual parallax shift of 11.08 mas, it is estimated to lie around 2... | Pi Fornacis | Astronomy | 343 |
10,649,582 | https://en.wikipedia.org/wiki/Leader%20election | In distributed computing, leader election is the process of designating a single process as the organizer of some task distributed among several computers (nodes). Before the task has begun, all network nodes are either unaware which node will serve as the "leader" (or coordinator) of the task, or unable to communicate... | Leader election | Mathematics | 4,186 |
597,564 | https://en.wikipedia.org/wiki/Just-noticeable%20difference | In the branch of experimental psychology focused on sense, sensation, and perception, which is called psychophysics, a just-noticeable difference or JND is the amount something must be changed in order for a difference to be noticeable, detectable at least half the time. This limen is also known as the difference limen... | Just-noticeable difference | Physics | 1,579 |
51,395,548 | https://en.wikipedia.org/wiki/Object%20point | Object points are an approach used in software development effort estimation under some models such as COCOMO II.
Object points are a way of estimating effort size, similar to Source Lines Of Code (SLOC) or Function Points. They are not necessarily related to objects in Object-oriented programming, the objects referr... | Object point | Technology,Engineering | 140 |
319,252 | https://en.wikipedia.org/wiki/Strict%20function | In computer science and computer programming, a function f is said to be strict if, when applied to a non-terminating expression, it also fails to terminate. A strict function in the denotational semantics of programming languages is a function f where . The entity , called bottom, denotes an expression that does not ... | Strict function | Engineering | 423 |
11,940,462 | https://en.wikipedia.org/wiki/Abitare | Abitare (which translates to "live" or "dwell"), published monthly in Milan, Italy, is a design magazine. It was first published in 1961.
History and profile
Abitare was launched in Milan in 1961 by Piera Peroni. It was devoted to architecture, interior design, furniture, product design and graphic arts and was publis... | Abitare | Engineering | 278 |
2,450,817 | https://en.wikipedia.org/wiki/Lunar%20theory | Lunar theory attempts to account for the motions of the Moon. There are many small variations (or perturbations) in the Moon's motion, and many attempts have been made to account for them. After centuries of being problematic, lunar motion can now be modeled to a very high degree of accuracy (see section Modern develop... | Lunar theory | Astronomy | 8,069 |
72,219,089 | https://en.wikipedia.org/wiki/Hemangada%20Thakura | Hemangada Thakura was the King of Mithila between 1571 AD to 1590 AD. He was also an Indian Astronomer in 16th century. He was famous for his astronomical treatise Grahan Mala. The book told the dates of the eclipses for 1088 years from 1620 AD to 2708 AD. The dates of lunar and solar eclipse that Hemangad Thakur had ... | Hemangada Thakura | Astronomy | 684 |
15,409,174 | https://en.wikipedia.org/wiki/Piezoelectric%20accelerometer | A piezoelectric accelerometer is an accelerometer that employs the piezoelectric effect of certain materials to measure dynamic changes in mechanical variables (e.g., acceleration, vibration, and mechanical shock).
As with all transducers, piezoelectrics convert one form of energy into another and provide an electrica... | Piezoelectric accelerometer | Physics,Technology,Engineering | 1,962 |
41,613,298 | https://en.wikipedia.org/wiki/Entomolithus | Entomolithus (petrified insect) is an obsolete scientific name for several trilobites, first published by Linnaeus in 1753, before the starting point of zoological nomenclature in a list under the heading "Paradoxus: 3. Entomolithus Monoculi". This is why this first name has no formal status. After the starting point ... | Entomolithus | Biology | 212 |
35,334,744 | https://en.wikipedia.org/wiki/Comparison%20of%20online%20music%20lockers | This is a comparison of online music storage services (Cloud Music Services), Internet services that allow uploads of personally owned or licensed music to the cloud for listening on multiple devices.
Previously, there were three large services—Amazon Music, Apple's iTunes Match, and YouTube Music—each incorporating a... | Comparison of online music lockers | Technology | 966 |
38,000,278 | https://en.wikipedia.org/wiki/A.M.%20Bohnert%20Rice%20Plantation%20Pump | The A.M. Bohnert Rice Plantation Pump, located on Route 165 and Post Bayou Lane, near Gillett, Arkansas, in Arkansas County, is a rare surviving example of an early 20th-century pump engine built by the engine manufacturer Fairbanks, Morse & Company. The pumping engine played an important role in productive rice farmin... | A.M. Bohnert Rice Plantation Pump | Physics,Chemistry | 175 |
47,239,058 | https://en.wikipedia.org/wiki/Edward%20Goodrich%20Acheson%20Award | The Edward Goodrich Acheson Award was established by The Electrochemical Society (ECS) in 1928 to honor the memory of Edward Goodrich Acheson, a charter member of ECS. The award is presented every 2 years for "conspicuous contribution to the advancement of the objectives, purposes, and activities of the society (ECS)".... | Edward Goodrich Acheson Award | Technology | 550 |
60,290,781 | https://en.wikipedia.org/wiki/Karel%20Wiesner | Karel František Wiesner (November 25, 1919 – November 28, 1986) was a Canadian chemist of Czech origin known for his contributions to the chemistry of natural products, notably aconitum alkaloids and digitalis glycosides.
Early life and career
He was born in Prague, Czechoslovakia, into a family of some wealth and no... | Karel Wiesner | Chemistry | 765 |
3,330,144 | https://en.wikipedia.org/wiki/Spin%287%29-manifold | In mathematics, a Spin(7)-manifold is an eight-dimensional Riemannian manifold whose holonomy group is contained in Spin(7). Spin(7)-manifolds are Ricci-flat and admit a parallel spinor. They also admit a parallel 4-form, known as the Cayley form, which is a calibrating form for a special class of submanifolds called C... | Spin(7)-manifold | Mathematics | 321 |
69,535,436 | https://en.wikipedia.org/wiki/DeepRoute.ai | DeepRoute.ai is a Chinese robotaxi startup based in Shenzhen, Guangdong, China.
DeepRoute.ai has partnered with Caocao Mobility, Dongfeng Motors, and Dongfeng Commercial Vehicle to test self-driving vehicles. The company began self-driving robotaxi service in Wuhan in April 2021, and the company publicly launched robo... | DeepRoute.ai | Engineering | 800 |
52,293 | https://en.wikipedia.org/wiki/Origami | ) is the Japanese art of paper folding. In modern usage, the word "origami" is often used as an inclusive term for all folding practices, regardless of their culture of origin. The goal is to transform a flat square sheet of paper into a finished sculpture through folding and sculpting techniques. Modern origami practi... | Origami | Mathematics | 6,488 |
4,656,507 | https://en.wikipedia.org/wiki/Bose%E2%80%93Hubbard%20model | The Bose–Hubbard model gives a description of the physics of interacting spinless bosons on a lattice. It is closely related to the Hubbard model that originated in solid-state physics as an approximate description of superconducting systems and the motion of electrons between the atoms of a crystalline solid. The mode... | Bose–Hubbard model | Physics | 2,285 |
5,066,643 | https://en.wikipedia.org/wiki/HD%2079447 | HD 79447 is a single star in the southern constellation of Carina. It has the Bayer designation i Carinae, while HD 79447 is the identifier from the Henry Draper catalogue. This star has a blue-white hue and is visible to the naked eye with an apparent visual magnitude of +3.96. It is located at a distance of approxima... | HD 79447 | Astronomy | 278 |
8,536,216 | https://en.wikipedia.org/wiki/Generalized%20Poincar%C3%A9%20conjecture | In the mathematical area of topology, the generalized Poincaré conjecture is a statement that a manifold that is a homotopy sphere a sphere. More precisely, one fixes a category of manifolds: topological (Top), piecewise linear (PL), or differentiable (Diff). Then the statement is
Every homotopy sphere (a closed n-ma... | Generalized Poincaré conjecture | Mathematics | 1,182 |
7,069,430 | https://en.wikipedia.org/wiki/Kurtosis%20risk | In statistics and decision theory, kurtosis risk is the risk that results when a statistical model assumes the normal distribution, but is applied to observations that have a tendency to occasionally be much farther (in terms of number of standard deviations) from the average than is expected for a normal distribution.... | Kurtosis risk | Mathematics | 464 |
16,528,934 | https://en.wikipedia.org/wiki/A%20Centauri | The Bayer designations A Centauri and a Centauri represent different stars. Due to technical limitations, both designations link here.
A Centauri, HD 100673, a main sequence star
a Centauri, V761 Centauri, a variable star
See also
α Centauri, Alpha Centauri
α1 Centauri, Alpha Centauri A (HD 128620)
α2 Centauri, ... | A Centauri | Astronomy | 126 |
61,681,836 | https://en.wikipedia.org/wiki/AnIML | The Analytical Information Markup Language (AnIML) is an open ASTM XML standard for storing and sharing any analytical chemistry and biological data.
AnIML and FAIR data
A main reason of using AnIML is that FAIR data (Findable, Accessible, Interoperable and Reusable) standards are automatically implemented. As AnIML'... | AnIML | Chemistry,Technology,Engineering,Biology | 354 |
37,196 | https://en.wikipedia.org/wiki/Causality | Causality is an influence by which one event, process, state, or object (a cause) contributes to the production of another event, process, state, or object (an effect) where the cause is at least partly responsible for the effect, and the effect is at least partly dependent on the cause. The cause of something may als... | Causality | Physics,Mathematics | 12,029 |
76,898,727 | https://en.wikipedia.org/wiki/K%C5%8Dji%20%28food%29 | Kōji (ニホンコウジカビ, 日本麹黴, ‘nihon kōji kabi’) refers to various molds of the genus Aspergillus sp., which are traditionally used in East Asian cuisine for the fermentation of food. In Japanese, kōji refers to both the Aspergillus starter culture and mixtures of Aspergillus with wheat and soybean meal. It can be fried and ea... | Kōji (food) | Chemistry | 1,532 |
2,945,235 | https://en.wikipedia.org/wiki/Infectivity | In epidemiology, infectivity is the ability of a pathogen to establish an infection. More specifically, infectivity is the extent to which the pathogen can enter, survive, and multiply in a host. It is measured by the ratio of the number of people who become infected to the total number exposed to the pathogen.
Infect... | Infectivity | Environmental_science | 178 |
39,227,870 | https://en.wikipedia.org/wiki/List%20of%20bioacoustics%20software | The following is a list of some referenced bioacoustics software.
References
See also
Free software
Open-Source Software
General Public License (GPL)
Bioacoustics Software | List of bioacoustics software | Technology | 37 |
1,064,587 | https://en.wikipedia.org/wiki/Bigram | A bigram or digram is a sequence of two adjacent elements from a string of tokens, which are typically letters, syllables, or words. A bigram is an n-gram for n=2.
The frequency distribution of every bigram in a string is commonly used for simple statistical analysis of text in many applications, including in computat... | Bigram | Mathematics,Technology | 478 |
71,907,438 | https://en.wikipedia.org/wiki/Spin%20chain | A spin chain is a type of model in statistical physics. Spin chains were originally formulated to model magnetic systems, which typically consist of particles with magnetic spin located at fixed sites on a lattice. A prototypical example is the quantum Heisenberg model. Interactions between the sites are modelled by op... | Spin chain | Physics,Chemistry,Materials_science,Engineering | 916 |
809,198 | https://en.wikipedia.org/wiki/Cock%20and%20ball%20torture | Cock and ball torture (CBT) is a sexual activity involving the application of pain or constriction to the male genitals. This may involve directly painful activities, such as genital piercing, wax play, genital spanking, squeezing, ball-busting, genital flogging, urethral play, tickle torture, erotic electrostimulation... | Cock and ball torture | Biology | 2,014 |
4,687,085 | https://en.wikipedia.org/wiki/Streamflow | Streamflow, or channel runoff, is the flow of water in streams and other channels, and is a major element of the water cycle. It is one runoff component, the movement of water from the land to waterbodies, the other component being surface runoff. Water flowing in channels comes from surface runoff from adjacent hillsl... | Streamflow | Chemistry,Engineering,Environmental_science | 2,393 |
71,853,402 | https://en.wikipedia.org/wiki/Animals%20in%20ancient%20Greece%20and%20Rome | Animals had a variety of roles and functions in ancient Greece and Rome. Fish and birds were served as food. Species such as donkeys and horses served as work animals. The military used elephants. It was common to keep animals such as parrots, cats, or dogs as pets. Many animals held important places in the Graeco-Roma... | Animals in ancient Greece and Rome | Biology | 6,399 |
45,525,318 | https://en.wikipedia.org/wiki/Manufacture%20Modules%20Technologies | Manufacture Modules Technologies Sarl (MMT) is a Swiss company established in Geneva in 2015 which originally specialised in the development and commercialization of "Horological Smartwatch modules", firmware, apps and cloud. Located at Geneva's Skylab high-tech hub, it expanded into the development and manufacturing o... | Manufacture Modules Technologies | Technology,Engineering | 340 |
145,375 | https://en.wikipedia.org/wiki/Local%20field | In mathematics, a field K is called a non-Archimedean local field if it is complete with respect to a metric induced by a discrete valuation v and if its residue field k is finite. In general, a local field is a locally compact topological field with respect to a non-discrete topology. The real numbers R, and the compl... | Local field | Mathematics | 1,570 |
1,376,411 | https://en.wikipedia.org/wiki/Electronic%20counter-countermeasure | Electronic counter-countermeasures (ECCM) is a part of electronic warfare which includes a variety of practices which attempt to reduce or eliminate the effect of electronic countermeasures (ECM) on electronic sensors aboard vehicles, ships and aircraft and weapons such as missiles. ECCM is also known as electronic pro... | Electronic counter-countermeasure | Engineering | 1,706 |
23,270,645 | https://en.wikipedia.org/wiki/Beta-decay%20stable%20isobars | Beta-decay stable isobars are the set of nuclides which cannot undergo beta decay, that is, the transformation of a neutron to a proton or a proton to a neutron within the nucleus. A subset of these nuclides are also stable with regards to double beta decay or theoretically higher simultaneous beta decay, as they have... | Beta-decay stable isobars | Physics | 2,390 |
2,354,244 | https://en.wikipedia.org/wiki/Droste%20effect | The Droste effect (), known in art as an example of mise en abyme, is the effect of a picture recursively appearing within itself, in a place where a similar picture would realistically be expected to appear. This produces a loop which in theory could go on forever, but in practice only continues as far as the image's ... | Droste effect | Physics,Mathematics | 1,055 |
72,592,525 | https://en.wikipedia.org/wiki/Floating%20cable-stayed%20bridge | A floating cable-stayed bridge is a type of cable-stayed bridge where the towers float on tension-leg submerged material, tethered to the seabed for buoyancy. No floating cable-stayed bridge has been made or planned yet, a floating suspension bridge has been planned in Norway. This bridge could be more stable horizont... | Floating cable-stayed bridge | Engineering | 159 |
7,149,012 | https://en.wikipedia.org/wiki/Factorization%20system | In mathematics, it can be shown that every function can be written as the composite of a surjective function followed by an injective function. Factorization systems are a generalization of this situation in category theory.
Definition
A factorization system (E, M) for a category C consists of two classes of morphism... | Factorization system | Mathematics | 708 |
23,870,096 | https://en.wikipedia.org/wiki/Negative-index%20metamaterial | Negative-index metamaterial or negative-index material (NIM) is a metamaterial whose refractive index for an electromagnetic wave has a negative value over some frequency range.
NIMs are constructed of periodic basic parts called unit cells, which are usually significantly smaller than the wavelength of the externally... | Negative-index metamaterial | Physics,Materials_science,Engineering | 6,551 |
38,369,589 | https://en.wikipedia.org/wiki/Chi%20Puppis | χ Puppis, Latinised as Chi Puppis, is a single star in the southern constellation of Puppis. It has a white hue and is faintly visible to the eye at night with an apparent visual magnitude of 4.79. The star is located at a distance of approximately 1,800 light years from the Sun based on parallax, and is drifting furth... | Chi Puppis | Astronomy | 388 |
24,426,227 | https://en.wikipedia.org/wiki/Paco%20Lagerstrom | Paco Axel Lagerstrom (February 24, 1914 – February 16, 1989) was a Swedish-American applied mathematician and aeronautical engineer. He was trained formally in mathematics, but worked for much of his career in aeronautical applications. He was known for work in applying the method of asymptotic expansion to fluid mecha... | Paco Lagerstrom | Chemistry | 396 |
17,978,926 | https://en.wikipedia.org/wiki/HD%20223229 | HD 223229 is a suspected variable star in the northern constellation of Andromeda. It is a double star consisting of a magnitude 6.11 primary and a magnitude 8.73 companion. The pair have an angular separation of 0.80″ along a position angle of 250°, as of 2009. The primary is a B-type subgiant star with a stellar clas... | HD 223229 | Astronomy | 144 |
19,042,247 | https://en.wikipedia.org/wiki/Dark%20fermentation | Dark fermentation is the fermentative conversion of organic substrate to biohydrogen. It is a complex process manifested by diverse groups of bacteria, involving a series of biochemical reactions using three steps similar to anaerobic conversion. Dark fermentation differs from photofermentation in that it proceeds with... | Dark fermentation | Chemistry,Engineering,Biology | 3,100 |
766,186 | https://en.wikipedia.org/wiki/Paul%20Berg | Paul Berg (June 30, 1926 – February 15, 2023) was an American biochemist and professor at Stanford University.
He was the recipient of the Nobel Prize in Chemistry in 1980, along with Walter Gilbert and Frederick Sanger. The award recognized their contributions to basic research involving nucleic acids, especially re... | Paul Berg | Biology | 1,311 |
75,011,465 | https://en.wikipedia.org/wiki/Tremella%20anaptychiae | Tremella anaptychiae is a species of lichenicolous (lichen-dwelling) fungus in the family Tremellaceae. It was first reported in the literature in 1996 by mycologist Paul Diederich, who did not formally describe it as a new species due to the paucity of material. Additional material was collected in later years, and it... | Tremella anaptychiae | Biology | 522 |
61,854,053 | https://en.wikipedia.org/wiki/Metal%20assisted%20chemical%20etching | Metal Assisted Chemical Etching (also known as MACE) is the process of wet chemical etching of semiconductors (mainly silicon) with the use of a metal catalyst, usually deposited on the surface of a semiconductor in the form of a thin film or nanoparticles. The semiconductor, covered with the metal, is then immersed in... | Metal assisted chemical etching | Physics,Chemistry,Materials_science,Engineering | 1,697 |
92,512 | https://en.wikipedia.org/wiki/Lipoprotein | A lipoprotein is a biochemical assembly whose primary function is to transport hydrophobic lipid (also known as fat) molecules in water, as in blood plasma or other extracellular fluids. They consist of a triglyceride and cholesterol center, surrounded by a phospholipid outer shell, with the hydrophilic portions orient... | Lipoprotein | Chemistry,Biology | 3,309 |
7,799,280 | https://en.wikipedia.org/wiki/Timelike%20simply%20connected | Suppose a Lorentzian manifold contains a closed timelike curve (CTC). No CTC can be continuously deformed as a CTC (is timelike homotopic) to a point, as that point would not be causally well behaved. Therefore, any Lorentzian manifold containing a CTC is said to be timelike multiply connected. A Lorentzian manifold th... | Timelike simply connected | Physics,Mathematics | 215 |
33,829,553 | https://en.wikipedia.org/wiki/Clean%20agent%20FS%2049%20C2 | Clean agent FS 49 C2 is an environmentally engineered, human safe, fast acting Clean Agent fire extinguishing gas for gaseous fire suppression installed in a suited fire suppression system. The gas consists of tetrafluoroethane, pentafluoroethane and carbon dioxide.
FS 49 C2 maintains breathable concentrations of ox... | Clean agent FS 49 C2 | Chemistry,Environmental_science | 534 |
38,380,773 | https://en.wikipedia.org/wiki/Phallus%20minusculus | Phallus minusculus is a species of fungus in the stinkhorn family. Found in Tanzania growing on decaying wood, it was described as new to science in 2002.
References
External links
Fungi described in 2002
Fungi of Africa
Phallales
Fungus species | Phallus minusculus | Biology | 52 |
210,091 | https://en.wikipedia.org/wiki/Reflexive%20space | In the area of mathematics known as functional analysis, a reflexive space is a locally convex topological vector space for which the canonical evaluation map from into its bidual (which is the strong dual of the strong dual of ) is a homeomorphism (or equivalently, a TVS isomorphism).
A normed space is reflexive if ... | Reflexive space | Mathematics | 4,087 |
507,648 | https://en.wikipedia.org/wiki/No%20symbol | The general prohibition sign, also known informally as the no symbol, 'do not' sign, circle-backslash symbol, nay, interdictory circle, prohibited symbol, don't do it symbol, or universal no, is a red circle with a 45-degree diagonal line inside the circle from upper-left to lower-right. It is typically overlaid on a p... | No symbol | Mathematics | 1,810 |
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