id int64 580 79M | url stringlengths 31 175 | text stringlengths 9 245k | source stringlengths 1 109 | categories stringclasses 160
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59,921,578 | https://en.wikipedia.org/wiki/Amplitwist | In mathematics, the amplitwist is a concept created by Tristan Needham in the book Visual Complex Analysis (1997) to represent the derivative of a complex function visually.
Definition
The amplitwist associated with a given function is its derivative in the complex plane. More formally, it is a complex number such t... | Amplitwist | Mathematics | 192 |
9,742,373 | https://en.wikipedia.org/wiki/Consolidated%20rental%20car%20facility | A consolidated rental car facility (CRCF) or consolidated rental car center (CONRAC) is a complex that hosts numerous car rental agencies, typically found at airports in the United States.
The most important incentives for building consolidated facilities are greatly reduced traffic congestion in airport pick up and d... | Consolidated rental car facility | Engineering | 551 |
11,042,777 | https://en.wikipedia.org/wiki/IBM%20airgap | Airgap is a technique invented by IBM for fabricating small pockets of vacuum in between copper interconnects. The technique belongs to a general class of similar techniques that replaces solid low-κ dielectrics with air-filled or vacuum pockets.
Description
By insulating copper interconnects (wires) on an integrated... | IBM airgap | Materials_science | 444 |
34,709,138 | https://en.wikipedia.org/wiki/Denjoy%E2%80%93Luzin%E2%80%93Saks%20theorem | In mathematics, the Denjoy–Luzin–Saks theorem states that a function of generalized bounded variation in the restricted sense has a derivative almost everywhere, and gives further conditions of the set of values of the function where the derivative does not exist.
N. N. Luzin and A. Denjoy proved a weaker form of th... | Denjoy–Luzin–Saks theorem | Mathematics | 82 |
46,298,670 | https://en.wikipedia.org/wiki/Hafnium%20tetrabromide | Hafnium tetrabromide is the inorganic compound with the formula HfBr4. It is the most common bromide of hafnium. It is a colorless, diamagnetic moisture sensitive solid that sublimes in vacuum. It adopts a structure very similar to that of zirconium tetrabromide, featuring tetrahedral Hf centers, in contrast to the p... | Hafnium tetrabromide | Chemistry | 107 |
9,414,169 | https://en.wikipedia.org/wiki/Geomagnetically%20induced%20current | Geomagnetically induced currents (GIC) are electrical currents induced at the Earth's surface by rapid changes in the geomagnetic field caused by space weather events. GICs can affect the normal operation of long electrical conductor systems such as electric transmission grids and buried pipelines. The geomagnetic dist... | Geomagnetically induced current | Astronomy | 2,445 |
40,042,954 | https://en.wikipedia.org/wiki/Document%20type%20declaration | A document type declaration, or DOCTYPE, is an instruction that associates a particular XML or SGML document (for example, a web page) with a document type definition (DTD) (for example, the formal definition of a particular version of HTML 2.0 - 4.0). In the serialized form of the document, it manifests as a short str... | Document type declaration | Technology | 2,877 |
10,446,876 | https://en.wikipedia.org/wiki/Fate%20mapping | Fate mapping is a method used in developmental biology to study the embryonic origin of various adult tissues and structures. The "fate" of each cell or group of cells is mapped onto the embryo, showing which parts of the embryo will develop into which tissue. When carried out at single-cell resolution, this process is... | Fate mapping | Chemistry,Biology | 688 |
73,535,353 | https://en.wikipedia.org/wiki/Lys-MDA | Lys-MDA (Lysine-MDA, N-(L-lysinamidyl)-3,4-methylenedioxyamphetamine) is a substituted amphetamine derivative with empathogenic effects, which acts as a prodrug for MDA with a slower onset of effects and longer duration of action. Lys-MDA, along with the related derivative Lys-MDMA, are in early stage human clinical tr... | Lys-MDA | Chemistry | 230 |
35,929,255 | https://en.wikipedia.org/wiki/List%20of%20sequenced%20protist%20genomes | This list of sequenced protist genomes contains all the protist species known to have publicly available complete genome sequences that have been assembled, annotated and published; draft genomes are not included, nor are organelle only sequences.
Alveolata
Alveolata are a group of protists which includes the Cilioph... | List of sequenced protist genomes | Engineering,Biology | 433 |
22,265,215 | https://en.wikipedia.org/wiki/807%20%28vacuum%20tube%29 | The 807 is a beam tetrode vacuum tube, widely used in audio- and radio-frequency power amplifier applications.
Audio uses
807s were used in audio power amplifiers, both for public address and Hi-Fi application, usually being run in push-pull pairs in class AB1 or AB2 giving up to 120 watts of usable power. The plate v... | 807 (vacuum tube) | Physics | 1,119 |
2,886,280 | https://en.wikipedia.org/wiki/Tetrakis%20square%20tiling | In geometry, the tetrakis square tiling is a tiling of the Euclidean plane. It is a square tiling with each square divided into four isosceles right triangles from the center point, forming an infinite arrangement of lines. It can also be formed by subdividing each square of a grid into two triangles by a diagonal, wit... | Tetrakis square tiling | Physics,Mathematics | 907 |
14,862,085 | https://en.wikipedia.org/wiki/3C%20303 | 3C 303 is a Seyfert galaxy with a quasar-like appearance located in the constellation Boötes.
3C 303 is also a radio galaxy It also contains an extragalactic radio source. A clear defined jet is also seen, showing a polarization variation trend. With a diffuse patch of optical emission located at the intersection of t... | 3C 303 | Astronomy | 131 |
34,039,715 | https://en.wikipedia.org/wiki/Mitosis%20inducer%20protein%20kinase%20cdr2 | Cdr2 is a serine/threonine protein kinase mitotic regulator in the fission yeast S. pombe. It is encoded by the P87050 2247 bp ORF on the cosmid 57A10. The protein is 775 amino acids in length. Cdr2 is a member of the GIN4 family of kinases, which prevent progression of mitosis if there is a problem with septin. The N-... | Mitosis inducer protein kinase cdr2 | Biology | 831 |
42,556,315 | https://en.wikipedia.org/wiki/Grabyo | Grabyo is a browser-based live video production suite integrated with other social media platforms such as Facebook, YouTube, Instagram, Snapchat, Twitter, and Periscope. Sports federations and media companies use cloud-based technology to produce professional-quality live streams and video clips for digital audiences.... | Grabyo | Technology | 275 |
1,014,414 | https://en.wikipedia.org/wiki/Antiporter | An antiporter (also called exchanger or counter-transporter) is an integral membrane protein that uses secondary active transport to move two or more molecules in opposite directions across a phospholipid membrane. It is a type of cotransporter, which means that uses the energetically favorable movement of one molecule... | Antiporter | Physics,Chemistry,Engineering | 7,406 |
75,222,055 | https://en.wikipedia.org/wiki/NGC%202001 | NGC 2001 (also known as PGC 3518062, 056-SC137, SL 507 and part of LH 64) is an open cluster located in the Dorado constellation and is part of the Large Magellanic Cloud.
Background
It was discovered by James Dunlop on September 27, 1826. It's apparent magnitude is 7 by 3.5 arc minutes. and is also known as GC 1204... | NGC 2001 | Astronomy | 213 |
17,865,569 | https://en.wikipedia.org/wiki/3-Aminoisobutyric%20acid | 3-Aminoisobutyric acid (also known as β-aminoisobutyric acid or BAIBA) is a product formed by the catabolism of thymine.
During exercise, the increase of PGC-1α protein triggers the secretion of BAIBA from exercising muscles to blood (concentration 2 to 3 μM in human serum). When BAIBA reaches the white fat tissue, it... | 3-Aminoisobutyric acid | Chemistry,Biology | 269 |
2,432,530 | https://en.wikipedia.org/wiki/Octahedral%20cluster | Octahedral clusters are inorganic or organometallic cluster compounds composed of six metals in an octahedral array. Many types of compounds are known, but all are synthetic.
Octahedral chalcogenide and halide clusters
These compounds are bound together by metal-metal bonding as well as two kinds of ligands. Ligands... | Octahedral cluster | Chemistry | 1,189 |
390,864 | https://en.wikipedia.org/wiki/Rhinogradentia | Rhinogradentia is a fictitious order of extinct shrew-like mammals invented by German zoologist Gerolf Steiner. Members of the order, known as rhinogrades or snouters, are characterized by a nose-like feature called a "nasorium", which evolved to fulfill a wide variety of functions in different species. Steiner also cr... | Rhinogradentia | Biology | 2,662 |
20,041,810 | https://en.wikipedia.org/wiki/Speed%20of%20light%20%28cellular%20automaton%29 | In Conway's Game of Life (and related cellular automata), the speed of light is a propagation rate across the grid of exactly one step (either horizontally, vertically or diagonally) per generation. In a single generation, a cell can only influence its nearest neighbours, and so the speed of light (by analogy with the... | Speed of light (cellular automaton) | Mathematics | 539 |
75,313,681 | https://en.wikipedia.org/wiki/SpaceX%20Starship%20design%20history | Before settling on the 2018 Starship design, SpaceX successively presented a number of reusable super-heavy lift vehicle proposals. These preliminary spacecraft designs were known under various names (Mars Colonial Transporter, Interplanetary Transport System, BFR).
In November 2005, before SpaceX had launched its fi... | SpaceX Starship design history | Engineering | 3,074 |
35,051,875 | https://en.wikipedia.org/wiki/Sodium%3Adicarboxylate%20symporter | It has been shown that integral membrane proteins that mediate the uptake of a wide variety of molecules with the concomitant uptake of sodium ions (sodium symporters) can be grouped, on the basis of sequence and functional similarities into a number of distinct families. One of these families is known as the sodium:... | Sodium:dicarboxylate symporter | Biology | 261 |
76,969,858 | https://en.wikipedia.org/wiki/Polevitzky%2C%20Johnson%20and%20Associates | Polevitzky, Johnson and Associates was a architectural firm with headquarters in Miami, Florida.
History
Polevitzky, Johnson and Associates, Inc. was established in 1951 in Miami, Florida. After coming back from World War II in the mid-1940s, Igor B. Polevitzky opened a new office in the Brickell neighbourhood and par... | Polevitzky, Johnson and Associates | Engineering | 334 |
42,452,496 | https://en.wikipedia.org/wiki/Descent%20algebra | In algebra, Solomon's descent algebra of a Coxeter group is a subalgebra of the integral group ring of the Coxeter group, introduced by .
The descent algebra of the symmetric group
In the special case of the symmetric group Sn, the descent algebra is given by the elements of the group ring such that permutations with... | Descent algebra | Physics | 139 |
38,803,155 | https://en.wikipedia.org/wiki/Deep%20Near%20Infrared%20Survey%20of%20the%20Southern%20Sky | The Deep Near Infrared Survey of the Southern Sky (DENIS) was a deep astronomical survey of the southern sky in the near-infrared and optical wavelengths, using an ESO 1-metre telescope at the La Silla Observatory. It operated from 1996 to 2001.
See also
DENIS-P J1058.7-1548
DENIS-P J1228.2-1547
DENIS-P J020529.0-... | Deep Near Infrared Survey of the Southern Sky | Astronomy | 180 |
1,384,760 | https://en.wikipedia.org/wiki/List%20of%20European%20medium%20wave%20transmitters | This is an incomplete list of medium wave transmitters in Europe. The emitted AM radio signal can be received on AM radios across Europe, depending on the power.
Skywave propagation at night enables some stations to be heard far beyond the target reception area, sometimes by thousands of kilometres.
Active stations
S... | List of European medium wave transmitters | Physics | 88 |
459,018 | https://en.wikipedia.org/wiki/Pointer%20%28computer%20programming%29 | In computer science, a pointer is an object in many programming languages that stores a memory address. This can be that of another value located in computer memory, or in some cases, that of memory-mapped computer hardware. A pointer references a location in memory, and obtaining the value stored at that location is k... | Pointer (computer programming) | Technology | 12,991 |
825,748 | https://en.wikipedia.org/wiki/Propylene | Propylene, also known as propene, is an unsaturated organic compound with the chemical formula . It has one double bond, and is the second simplest member of the alkene class of hydrocarbons. It is a colorless gas with a faint petroleum-like odor.
Propylene is a product of combustion from forest fires, cigarette smoke... | Propylene | Physics,Chemistry,Materials_science | 1,984 |
53,863,138 | https://en.wikipedia.org/wiki/Ebba%20Lund | Ebba Lund (22 September 1923 – 21 June 1999) was a Danish Resistance fighter during World War II, a chemical engineer, and a microbiologist.
Early life
Ebba Lund was born in 1923 to parents Søren Aabye Kierkegaard (1875–1956) and Anna Petrea Lindberg (1890–1980). Her father was an engineer. The Copenhagen community i... | Ebba Lund | Chemistry | 1,451 |
44,863,957 | https://en.wikipedia.org/wiki/Algerian%20units%20of%20measurement | This is a list of Algerian units of measurement that were used before 1843 for things like length, mass and capacity. After that, Algeria adopted the French system of units (i.e., the metric system).
Length
Before the 1843 changeover, different units were used to measure length. One pic () was equal either to 0.64 m o... | Algerian units of measurement | Mathematics | 363 |
15,225,315 | https://en.wikipedia.org/wiki/RFWD2 | E3 ubiquitin-protein ligase RFWD2 is an enzyme that in humans is encoded by the RFWD2 gene.
Interactions
RFWD2 has been shown to interact with C-jun.
References
Further reading | RFWD2 | Chemistry | 47 |
50,589 | https://en.wikipedia.org/wiki/Spanking | Spanking is a form of corporal punishment involving the act of striking, with either the palm of the hand or an implement, the buttocks of a person to cause physical pain. The term spanking broadly encompasses the use of either the hand or implement, though the use of certain implements can also be characterized as oth... | Spanking | Biology | 2,008 |
546,158 | https://en.wikipedia.org/wiki/Emetophobia | Emetophobia is a phobia that causes overwhelming, intense anxiety pertaining to vomit. This specific phobia can also include subcategories of what causes the anxiety, including a fear of vomiting or being vomited on or seeing others vomit. Emetophobes might also avoid the mentions of "barfing", vomiting, "throwing up",... | Emetophobia | Biology | 2,371 |
841,077 | https://en.wikipedia.org/wiki/Metoprolol | Metoprolol, sold under the brand name Lopressor among others, is a medication used to treat angina and a number of conditions involving an abnormally fast heart rate. It is also used to prevent further heart problems after myocardial infarction and to prevent headaches in those with migraines. It is a selective β1 rece... | Metoprolol | Chemistry | 2,194 |
3,050,160 | https://en.wikipedia.org/wiki/Static%20universe | In cosmology, a static universe (also referred to as stationary, infinite, static infinite or static eternal) is a cosmological model in which the universe is both spatially and temporally infinite, and space is neither expanding nor contracting. Such a universe does not have so-called spatial curvature; that is to say... | Static universe | Physics,Astronomy,Mathematics | 1,029 |
52,179,886 | https://en.wikipedia.org/wiki/Balasubramanian%20Gopal | Balasubramanian Gopal (born 1970) is an Indian structural biologist, molecular biophysicist and a professor at the Molecular Biophysics Unit of the Indian Institute of Science. He is known for his studies on cell wall synthesis in Staphylococcus aureus and is an elected fellow of the National Academy of Sciences, India... | Balasubramanian Gopal | Chemistry | 634 |
27,105,107 | https://en.wikipedia.org/wiki/Ornithonyssus%20sylviarum | Ornithonyssus sylviarum (also known as the northern fowl mite) is a haematophagous ectoparasite of poultry. In both size and appearance, it resembles the red mite, Dermanyssus gallinae. They primarily infect egg laying chickens. They contribute to economic damage and feed on their host's blood which leads to lowering t... | Ornithonyssus sylviarum | Biology | 297 |
4,012,069 | https://en.wikipedia.org/wiki/Pseudomonas%20virus%20phi6 | Φ6 (Phi 6) is the best-studied bacteriophage of the virus family Cystoviridae. It infects Pseudomonas bacteria (typically plant-pathogenic P. syringae). It has a three-part, segmented, double-stranded RNA genome, totalling ~13.5 kb in length. Φ6 and its relatives have a lipid membrane around their nucleocapsid, a rare ... | Pseudomonas virus phi6 | Biology | 1,112 |
5,439,408 | https://en.wikipedia.org/wiki/Tungsten%28V%29%20chloride | Tungsten(V) chloride is an inorganic compound with the formula W2Cl10. This compound is analogous in many ways to the more familiar molybdenum pentachloride.
Synthesis
The material is prepared by reduction of tungsten hexachloride. One method involves the use of tetrachloroethylene as the reductant
2 WCl6 + C2Cl4 ... | Tungsten(V) chloride | Chemistry | 267 |
59,450 | https://en.wikipedia.org/wiki/Strontianite | Strontianite (SrCO3) is an important raw material for the extraction of strontium. It is a rare carbonate mineral and one of only a few strontium minerals. It is a member of the aragonite group.
Aragonite group members: aragonite (CaCO3), witherite (BaCO3), strontianite (SrCO3), cerussite (PbCO3)
The ideal formula o... | Strontianite | Chemistry | 2,681 |
56,379,488 | https://en.wikipedia.org/wiki/Biological%20effects%20of%20radiation%20on%20the%20epigenome | Ionizing radiation can cause biological effects which are passed on to offspring through the epigenome. The effects of radiation on cells has been found to be dependent on the dosage of the radiation, the location of the cell in regards to tissue, and whether the cell is a somatic or germ line cell. Generally, ionizing... | Biological effects of radiation on the epigenome | Chemistry,Materials_science | 3,933 |
11,467,712 | https://en.wikipedia.org/wiki/Agroathelia%20delphinii | Agroathelia delphinii is a plant pathogen infecting many tropical and warm temperate plants including mangoes.
References
Fungal plant pathogens and diseases
Mango tree diseases
Amylocorticiales
Fungus species | Agroathelia delphinii | Biology | 45 |
34,588,743 | https://en.wikipedia.org/wiki/Cause%20%28medicine%29 | Cause, also known as etiology () and aetiology, is the reason or origination of something.
The word etiology is derived from the Greek , aitiologia, "giving a reason for" (, aitia, "cause"; and , -logia).
Description
In medicine, etiology refers to the cause or causes of diseases or pathologies. Where no etiology can... | Cause (medicine) | Biology,Environmental_science | 1,012 |
26,193 | https://en.wikipedia.org/wiki/Roger%20Penrose | Sir Roger Penrose (born 8 August 1931) is an English mathematician, mathematical physicist, philosopher of science and Nobel Laureate in Physics. He is Emeritus Rouse Ball Professor of Mathematics in the University of Oxford, an emeritus fellow of Wadham College, Oxford, and an honorary fellow of St John's College, Cam... | Roger Penrose | Physics,Mathematics | 5,202 |
67,655,566 | https://en.wikipedia.org/wiki/Elizabeth%20Niespolo | Elizabeth Niespolo is an American geologist. Her work utilizes geochemical methods to understand archaeological sites and human activity on multiple continents. Niespolo integrates laboratory and field work studying natural materials such as ostrich egg shells, corals, and minerals in rocks to quantify potential human ... | Elizabeth Niespolo | Chemistry | 1,820 |
25,433,315 | https://en.wikipedia.org/wiki/Walking%20audit | A walking audit is an assessment of the walkability or pedestrian access of an external environment. Walking audits are often undertaken in street environments to consider and promote the needs of pedestrians as a form of transport. They can be undertaken by a range of different stakeholders including:
Local communit... | Walking audit | Physics | 732 |
196,662 | https://en.wikipedia.org/wiki/Lawrence%20Hargrave | Lawrence Hargrave, MRAeS, (29 January 18506 July 1915) was an Australian engineer, explorer, astronomer, inventor and aeronautical pioneer. He was perhaps best known for inventing the box kite, which was quickly adopted by other aircraft designers and subsequently formed the aerodynamic basis of early biplanes.
Biogra... | Lawrence Hargrave | Engineering | 2,225 |
333,306 | https://en.wikipedia.org/wiki/Regular%20polygon | In Euclidean geometry, a regular polygon is a polygon that is direct equiangular (all angles are equal in measure) and equilateral (all sides have the same length). Regular polygons may be either convex or star. In the limit, a sequence of regular polygons with an increasing number of sides approximates a circle, if th... | Regular polygon | Physics | 3,060 |
10,766,404 | https://en.wikipedia.org/wiki/Generalised%20circle | In geometry, a generalized circle, sometimes called a cline or circline, is a straight line or a circle, the curves of constant curvature in the Euclidean plane.
The natural setting for generalized circles is the extended plane, a plane along with one point at infinity through which every straight line is considered t... | Generalised circle | Mathematics | 790 |
3,197,327 | https://en.wikipedia.org/wiki/Chrysobalanus%20icaco | Chrysobalanus icaco, the cocoplum, paradise plum, abajeru or icaco, also called fat pork in Trinidad and Tobago, is a low shrub or bushy tree found near sea beaches and inland throughout tropical Africa, tropical Americas and the Caribbean, and in southern Florida and the Bahamas. An evergreen, it is also found as an e... | Chrysobalanus icaco | Chemistry | 824 |
3,146,241 | https://en.wikipedia.org/wiki/Focus-plus-context%20screen | A focus-plus-context screen is a specialized type of display device that consists of one or more high-resolution "focus" displays embedded into a larger low-resolution "context" display. Image content is displayed across all display regions, such that the scaling of the image is preserved, while its resolution varies a... | Focus-plus-context screen | Technology,Engineering | 323 |
216,928 | https://en.wikipedia.org/wiki/Wastewater | Wastewater (or waste water) is water generated after the use of freshwater, raw water, drinking water or saline water in a variety of deliberate applications or processes. Another definition of wastewater is "Used water from any combination of domestic, industrial, commercial or agricultural activities, surface runoff ... | Wastewater | Chemistry,Engineering,Environmental_science | 311 |
69,216,480 | https://en.wikipedia.org/wiki/Catherine%20E.%20Costello | Catherine E. Costello is the William Fairfield Warren distinguished professor in the department of biochemistry, Cell Biology and Genomics, and the director of the Center for Biomedical Mass Spectrometry at the Boston University School of Medicine.
Education
Catherine E. Costello attended the Emmanuel College in Bost... | Catherine E. Costello | Physics,Chemistry,Biology | 756 |
28,365,313 | https://en.wikipedia.org/wiki/Clitocybe%20brumalis | Clitocybe brumalis, commonly known as the winter funnel cap, brumalis signifying "wintry", is an inedible mushroom of the genus Clitocybe. It grows in deciduous and coniferous woodland, only in winter; sometimes even under snow.
Description
The cap is convex or umbilicate when young, soon funnel-shaped. Pale when mois... | Clitocybe brumalis | Biology | 208 |
66,631,533 | https://en.wikipedia.org/wiki/Kevin%20Kendall | Kevin Kendall FRS is a British physicist who received a London external BSc degree at Salford CAT in 1965 while working as an engineering apprentice at Joseph Lucas Gas Turbine Ltd. He became interested in surface science during his Ph.D. study in the Cavendish Laboratory and devised a novel method for measuring the tr... | Kevin Kendall | Materials_science | 1,470 |
33,183,306 | https://en.wikipedia.org/wiki/Fei%E2%80%93Ranis%20model%20of%20economic%20growth | The Fei–Ranis model of economic growth is a dualism model in developmental economics or welfare economics that has been developed by John C. H. Fei and Gustav Ranis and can be understood as an extension of the Lewis model. It is also known as the Surplus Labor model. It recognizes the presence of a dual economy compris... | Fei–Ranis model of economic growth | Mathematics | 5,555 |
7,113,944 | https://en.wikipedia.org/wiki/Augmented%20cognition | Augmented cognition is an interdisciplinary area of psychology and engineering, attracting researchers from the more traditional fields of human-computer interaction, psychology, ergonomics and neuroscience. Augmented cognition research generally focuses on tasks and environments where human–computer interaction and in... | Augmented cognition | Engineering,Biology | 1,498 |
33,162,584 | https://en.wikipedia.org/wiki/Weyl%20equation | In physics, particularly in quantum field theory, the Weyl equation is a relativistic wave equation for describing massless spin-1/2 particles called Weyl fermions. The equation is named after Hermann Weyl. The Weyl fermions are one of the three possible types of elementary fermions, the other two being the Dirac and t... | Weyl equation | Physics | 2,826 |
2,599,213 | https://en.wikipedia.org/wiki/Yellow%20rain | Yellow rain was a 1981 political incident in which the United States Secretary of State Alexander Haig accused the Soviet Union of supplying T-2 mycotoxin to the communist states in Vietnam, Laos and Cambodia for use in counterinsurgency warfare. Refugees described many different forms of "attacks", including a sticky ... | Yellow rain | Chemistry | 3,636 |
5,277,567 | https://en.wikipedia.org/wiki/Laccaria%20bicolor | Laccaria bicolor is a small tan-colored mushroom with lilac gills. It is edible but not choice, and grows in mixed birch and pine woods. It is found in the temperate zones of the globe, in late summer and autumn. L. bicolor is an ectomycorrhizal fungus used as a soil inoculant in agriculture and horticulture.
Taxonomy... | Laccaria bicolor | Chemistry,Biology | 670 |
73,780,161 | https://en.wikipedia.org/wiki/Sonja%20Glava%C5%A1ki | Sonja Glavaški is an electrical engineer. Initially focusing on nonlinear control and robust control, her interests have since shifted to include computational challenges in the control of electrical grids and their integration with building-scale energy systems. Educated in Serbia and the US, she works at the Pacific ... | Sonja Glavaški | Engineering | 357 |
1,795,295 | https://en.wikipedia.org/wiki/Meton%20of%20Athens | Meton of Athens (; gen.: Μέτωνος) was a Greek mathematician, astronomer, geometer, and engineer who lived in Athens in the 5th century BC. He is best known for calculations involving the eponymous 19-year Metonic cycle, which he introduced in 432 BC into the lunisolar Attic calendar. Euphronios says that Colonus was M... | Meton of Athens | Astronomy | 677 |
236,981 | https://en.wikipedia.org/wiki/Amniote | Amniotes are tetrapod vertebrate animals belonging to the clade Amniota, a large group that comprises the vast majority of living terrestrial and semiaquatic vertebrates. Amniotes evolved from amphibious stem tetrapod ancestors during the Carboniferous period. Those of Amniota are defined as the smallest crown clade co... | Amniote | Biology | 3,211 |
72,389,171 | https://en.wikipedia.org/wiki/Eliane%20R.%20Rodrigues | Eliane Regina Rodrigues is a Brazilian applied mathematician and statistician who works in Mexico as a researcher at the Institute of Mathematics of the National Autonomous University of Mexico (UNAM). Her research involves using stochastic processes including Markov chains and Poisson point processes to model phenomen... | Eliane R. Rodrigues | Mathematics | 278 |
1,324,735 | https://en.wikipedia.org/wiki/Subvocalization | Subvocalization, or silent speech, is the internal speech typically made when reading; it provides the sound of the word as it is read. This is a natural process when reading, and it helps the mind to access meanings to comprehend and remember what is read, potentially reducing cognitive load.
This inner speech is cha... | Subvocalization | Biology | 3,823 |
24,466,340 | https://en.wikipedia.org/wiki/Gymnopilus%20mesosporus | Gymnopilus mesosporus is a species of mushroom in the family Hymenogastraceae.
See also
List of Gymnopilus species
External links
Gymnopilus mesosporus at Index Fungorum
mesosporus
Fungi of North America
Fungus species | Gymnopilus mesosporus | Biology | 59 |
9,804 | https://en.wikipedia.org/wiki/Electric%20charge | Electric charge (symbol q, sometimes Q) is a physical property of matter that causes it to experience a force when placed in an electromagnetic field. Electric charge can be positive or negative. Like charges repel each other and unlike charges attract each other. An object with no net charge is referred to as electric... | Electric charge | Physics,Chemistry,Materials_science,Mathematics | 4,614 |
36,150,729 | https://en.wikipedia.org/wiki/C2H6ClO2PS | {{DISPLAYTITLE:C2H6ClO2PS}}
The molecular formula C2H6ClO2PS (molar mass: 160.56 g/mol, exact mass: 159.9515 u) may refer to:
Dimethyl chlorothiophosphate
Dimethyl phosphorochloridothioate | C2H6ClO2PS | Chemistry | 76 |
24,472,520 | https://en.wikipedia.org/wiki/Billon%20%28alloy%29 | Billon () is an alloy of a precious metal (most commonly silver, but also gold) with a majority base metal content (such as copper). It is used chiefly for making coins, medals, and token coins.
The word comes from the French , which means 'log'.
History
The use of billon coins dates from ancient Greece and continue... | Billon (alloy) | Chemistry | 331 |
61,187,256 | https://en.wikipedia.org/wiki/Charge%20modulation%20spectroscopy | Charge modulation spectroscopy is an electro-optical spectroscopy technique tool. It is used to study the charge carrier behavior of organic field-effect transistors. It measures the charge introduced optical transmission variation by directly probing the accumulation charge at the burning interface of semiconductor an... | Charge modulation spectroscopy | Physics,Chemistry | 955 |
74,433,644 | https://en.wikipedia.org/wiki/Rhenium%20trioxynitrate | Rhenium trioxynitrate, also known as rhenium(VII) trioxide nitrate, is a chemical compound with the formula ReO3NO3. It is a white solid that readily hydrolyzes in moist air.
Preparation and properties
Rhenium trioxynitrate is prepared by the reaction of ReO3Cl (produced by reacting rhenium trioxide and chlorine) and ... | Rhenium trioxynitrate | Chemistry | 289 |
30,747,791 | https://en.wikipedia.org/wiki/High-refractive-index%20polymer | A high-refractive-index polymer (HRIP) is a polymer that has a refractive index greater than 1.50.
Such materials are required for anti-reflective coating and photonic devices such as light emitting diodes (LEDs) and image sensors. The refractive index of a polymer is based on several factors which include polarizabil... | High-refractive-index polymer | Physics,Chemistry,Materials_science | 1,830 |
35,188,284 | https://en.wikipedia.org/wiki/Taylor%20Hobson | Taylor Hobson is an English company founded in 1886 and located in Leicester, England. Originally a manufacturer of still camera and cine lenses, the company now manufactures precision metrology instruments—in particular, profilometers for the analysis of surface textures and forms.
Taylor Hobson is now part of Amete... | Taylor Hobson | Materials_science,Engineering | 1,394 |
13,790,456 | https://en.wikipedia.org/wiki/Laman%20graph | In graph theory, the Laman graphs are a family of sparse graphs describing the minimally rigid systems of rods and joints in the plane. Formally, a Laman graph is a graph on n vertices such that, for all k, every k-vertex subgraph has at most 2k − 3 edges, and such that the whole graph has exactly 2n − 3 edges. Laman g... | Laman graph | Physics | 1,153 |
66,357,207 | https://en.wikipedia.org/wiki/LY-88329 | LY-88329 is an opioid receptor ligand related to medicines such as pethidine. It has high affinity to the μ-opioid receptor, but unlike structurally related drugs such as 3-methylfentanyl and OPPPP, LY-88329 is a potent opioid antagonist. In animal studies it blocks the effects of morphine and has anorectic action.
Se... | LY-88329 | Chemistry | 117 |
38,390 | https://en.wikipedia.org/wiki/Dementia | Dementia is a syndrome associated with many neurodegenerative diseases, characterized by a general decline in cognitive abilities that affects a person's ability to perform everyday activities. This typically involves problems with memory, thinking, behavior, and motor control. Aside from memory impairment and a disrup... | Dementia | Biology | 15,183 |
1,162,678 | https://en.wikipedia.org/wiki/Ferredoxin | Ferredoxins (from Latin ferrum: iron + redox, often abbreviated "fd") are iron–sulfur proteins that mediate electron transfer in a range of metabolic reactions. The term "ferredoxin" was coined by D.C. Wharton of the DuPont Co. and applied to the "iron protein" first purified in 1962 by Mortenson, Valentine, and Carnah... | Ferredoxin | Chemistry,Biology | 3,016 |
59,997,499 | https://en.wikipedia.org/wiki/King%20of%20the%20Universe | King of the Universe (Sumerian: lugal ki-sár-ra or lugal kiš-ki, Akkadian: šarru kiššat māti, šar-kiššati or šar kiššatim), also interpreted as King of Everything, King of the Totality, King of All or King of the World, was a title of great prestige claiming domination of the universe used by powerful monarchs in ancie... | King of the Universe | Astronomy | 4,184 |
45,580,833 | https://en.wikipedia.org/wiki/Geometric%20morphometrics%20in%20anthropology | The study of geometric morphometrics in anthropology has made a major impact on the field of morphometrics by aiding in some of the technological and methodological advancements. Geometric morphometrics is an approach that studies shape using Cartesian landmark and semilandmark coordinates that are capable of capturing... | Geometric morphometrics in anthropology | Engineering,Biology | 4,321 |
51,087,033 | https://en.wikipedia.org/wiki/Testosterone%20propionate/testosterone%20phenylpropionate/testosterone%20isocaproate/testosterone%20caproate | Testosterone propionate/testosterone phenylpropionate/testosterone isocaproate/testosterone caproate (TP/TPP/TiC/TCa), sold under the brand name Omnadren or Omnadren 250, is an injectable combination medication of four testosterone esters, all of which are androgens/anabolic steroids, which is no longer marketed. Its ... | Testosterone propionate/testosterone phenylpropionate/testosterone isocaproate/testosterone caproate | Chemistry | 205 |
7,174,467 | https://en.wikipedia.org/wiki/Connected-component%20labeling | Connected-component labeling (CCL), connected-component analysis (CCA), blob extraction, region labeling, blob discovery, or region extraction is an algorithmic application of graph theory, where subsets of connected components are uniquely labeled based on a given heuristic. Connected-component labeling is not to be c... | Connected-component labeling | Engineering | 3,311 |
28,431 | https://en.wikipedia.org/wiki/Space%20exploration | Space exploration is the use of astronomy and space technology to explore outer space. While the exploration of space is currently carried out mainly by astronomers with telescopes, its physical exploration is conducted both by uncrewed robotic space probes and human spaceflight. Space exploration, like its classical f... | Space exploration | Astronomy | 8,929 |
11,945,645 | https://en.wikipedia.org/wiki/2%CF%80%20theorem | In mathematics, the theorem of Gromov and Thurston states a sufficient condition for Dehn filling on a cusped hyperbolic 3-manifold to result in a negatively curved 3-manifold.
Let be a cusped hyperbolic 3-manifold. Disjoint horoball neighborhoods of each cusp can be selected. The boundaries of these neighborhoo... | 2π theorem | Mathematics | 446 |
4,059,082 | https://en.wikipedia.org/wiki/Kadowaki%E2%80%93Woods%20ratio | The Kadowaki–Woods ratio is the ratio of A, the quadratic term of the resistivity and γ2, the square of the linear term of the specific heat. This ratio is found to be a constant for transition metals, and for heavy-fermion compounds, although at different values.
In 1968 M. J. Rice pointed out that the coefficient A ... | Kadowaki–Woods ratio | Physics,Chemistry,Materials_science,Engineering | 465 |
11,465,762 | https://en.wikipedia.org/wiki/Pileolaria%20terebinthi | Pileolaria terebinthi is a plant pathogen infecting pistachio trees including Pistacia vera, Pistacia atlantica, and Pistacia terebinthus.
References
External links
Index Fungorum
USDA ARS Fungal Database
Fungal plant pathogens and diseases
Fruit tree diseases
Pucciniales
Fungus species | Pileolaria terebinthi | Biology | 68 |
36,644,224 | https://en.wikipedia.org/wiki/Cohen%20ring | In algebra, a Cohen ring is a field or a complete discrete valuation ring of mixed characteristic whose maximal ideal is generated by p. Cohen rings are used in the Cohen structure theorem for complete Noetherian local rings.
See also
Norm field
References
Cohen's paper was written when "local ring" meant what is ... | Cohen ring | Mathematics | 79 |
56,135,961 | https://en.wikipedia.org/wiki/Catalyst%20transfer%20polymerization | Catalyst transfer polymerization (CTP), or catalyst transfer polycondensation, is a type of living chain-growth polymerization that is used for synthesizing conjugated polymers. Benefits to using CTP over other methods are low polydispersity and control over number average molecular weight in the resulting polymers. Ve... | Catalyst transfer polymerization | Chemistry,Materials_science | 1,007 |
797,291 | https://en.wikipedia.org/wiki/Teabagging | Teabagging is a slang term for the sexual act involving placing the scrotum into the mouth of a sexual partner for sexual pleasure, or onto the face or head of another person, sometimes as a comedic device.
The name of the practice, when it is done in a repeated in-and-out motion, is derived from its passing resemblan... | Teabagging | Biology | 822 |
8,413,399 | https://en.wikipedia.org/wiki/Inorganic%20pyrophosphatase | Inorganic pyrophosphatase (or inorganic diphosphatase, PPase) is an enzyme () that catalyzes the conversion of one ion of pyrophosphate to two phosphate ions. This is a highly exergonic reaction, and therefore can be coupled to unfavorable biochemical transformations in order to drive these transformations to completio... | Inorganic pyrophosphatase | Biology | 1,228 |
19,809,804 | https://en.wikipedia.org/wiki/Massed%20negative%20practice | Massed negative practice is a proposed treatment for the tics of Tourette syndrome in which the individual with Tourette's "practices" tics continuously until a conditioned level of fatigue is reached. It is based upon the Hullian learning theory, which holds that tics are "maladaptive habits that are strengthened by ... | Massed negative practice | Biology | 111 |
56,873 | https://en.wikipedia.org/wiki/Lactose%20intolerance | Lactose intolerance is caused by a lessened ability or a complete inability to digest lactose, a sugar found in dairy products. Humans vary in the amount of lactose they can tolerate before symptoms develop. Symptoms may include abdominal pain, bloating, diarrhea, flatulence, and nausea. These symptoms typically start ... | Lactose intolerance | Biology | 5,808 |
63,775,376 | https://en.wikipedia.org/wiki/Terbium%28IV%29%20oxide | Terbium(IV) oxide is an inorganic compound with a chemical formula TbO2. It can be produced by oxidizing terbium(III) oxide by oxygen gas at 1000 atm and 300 °C.
Decomposition
Terbium(IV) oxide starts to decompose at 340 °C, producing Tb5O8 and oxygen:
5 TbO2 → Tb5O8 + O2
References
See also
Terbium(III) oxide
Terb... | Terbium(IV) oxide | Chemistry | 108 |
1,118,498 | https://en.wikipedia.org/wiki/Terence%20Tao | Terence Chi-Shen Tao (; born 17 July 1975) is an Australian-American mathematician, Fields medalist, and professor of mathematics at the University of California, Los Angeles (UCLA), where he holds the James and Carol Collins Chair in the College of Letters and Sciences. His research includes topics in harmonic analys... | Terence Tao | Mathematics | 4,794 |
33,691,189 | https://en.wikipedia.org/wiki/Fr%C3%A9chet%E2%80%93Kolmogorov%20theorem | In functional analysis, the Fréchet–Kolmogorov theorem (the names of Riesz or Weil are sometimes added as well) gives a necessary and sufficient condition for a set of functions to be relatively compact in an Lp space. It can be thought of as an Lp version of the Arzelà–Ascoli theorem, from which it can be deduced. Th... | Fréchet–Kolmogorov theorem | Mathematics | 607 |
31,061,495 | https://en.wikipedia.org/wiki/Amino%20acid%20response | Amino acid response is the mechanism triggered in mammalian cells by amino acid starvation.
The amino acid response pathway is triggered by shortage of any essential amino acid, and results in an increase in activating transcription factor ATF4, which in turn affects many processes by sundry pathways to limit or incre... | Amino acid response | Chemistry,Biology | 465 |
533,867 | https://en.wikipedia.org/wiki/Backup | In information technology, a backup, or data backup is a copy of computer data taken and stored elsewhere so that it may be used to restore the original after a data loss event. The verb form, referring to the process of doing so, is "back up", whereas the noun and adjective form is "backup". Backups can be used to rec... | Backup | Technology,Engineering | 5,471 |
16,845,302 | https://en.wikipedia.org/wiki/PNRC1 | Proline-rich nuclear receptor coactivator 1 is a protein that, in humans, is encoded by the PNRC1 gene.
Function
PNRC1 functions as a coactivator for several nuclear receptors including AR, ERα, ERRα, ERRγ, GR, SF1, PR, TR, RAR and RXR. The interaction between PNRC1 with nuclear receptors occurs through the SH3 doma... | PNRC1 | Chemistry,Biology | 110 |
10,300,128 | https://en.wikipedia.org/wiki/Systematic%20Census%20of%20Australian%20Plants | The Systematic census of Australian plants, with chronologic, literary and geographic annotations, more commonly known as the Systematic Census of Australian Plants, also known by its standard botanic abbreviation Syst. Census Austral. Pl., is a survey of the vascular flora of Australia prepared by Government botanist ... | Systematic Census of Australian Plants | Biology | 492 |
4,191,785 | https://en.wikipedia.org/wiki/Aigo | Beijing Huaqi Information Digital Technology Co., Ltd, trading as Aigo (stylized as aigo), is a Chinese consumer electronics company. It is headquartered in the Ideal Plaza () in Haidian District, Beijing.
History
Beijing Huaqi Information Digital Technology Co Ltd (北京华旗资讯科技发展有限公司) is a consumer electronics manufactur... | Aigo | Technology | 550 |
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