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 |
|---|---|---|---|---|---|
486,525 | https://en.wikipedia.org/wiki/Surface%20modification | Surface modification is the act of modifying the surface of a material by bringing physical, chemical or biological characteristics different from the ones originally found on the surface of a material.
This modification is usually made to solid materials, but it is possible to find examples of the modification to the ... | Surface modification | Physics,Materials_science,Engineering | 863 |
1,074,656 | https://en.wikipedia.org/wiki/Logistello | Logistello is a computer program that plays the game Othello, also known as Reversi. Logistello was written by Michael Buro and is regarded as a strong player, having beaten the human world champion Takeshi Murakami six games to none in 1997 — the best Othello programs are now much stronger than any human player. Logi... | Logistello | Mathematics | 115 |
31,922,376 | https://en.wikipedia.org/wiki/Dick%20Bayless | Harry Owen "Dick" Bayless (September 6, 1885 – December 16, 1920) was an American professional baseball player. He was an outfielder for one season (1908) with the Cincinnati Reds. He played in the minor leagues through 1917. He died three years later in a copper mine explosion in Santa Rita, New Mexico.
References
... | Dick Bayless | Chemistry | 166 |
6,855,504 | https://en.wikipedia.org/wiki/Seychelles%20Time | Seychelles Time, or SCT, is a time zone used by the nation of Seychelles in the Somali Sea. The zone is four hours ahead of UTC (UTC+04:00).
Daylight saving time is not observed in this time zone.
Time zones | Seychelles Time | Physics | 53 |
5,008,696 | https://en.wikipedia.org/wiki/Psi%20Cancri | The Bayer designation Psi Cancri (ψ Cnc, ψ Cancri) is shared by two star systems, separated by 0.34° on the sky, in the constellation Cancer:
ψ¹ Cancri
ψ² Cancri, which is often referred to solely as ψ Cancri
Cancer (constellation)
Cancri, Psi | Psi Cancri | Astronomy | 72 |
665,738 | https://en.wikipedia.org/wiki/Magnetic%20shape-memory%20alloy | A magnetic shape-memory alloy (MSMA) is a type of smart material that can undergo significant and reversible changes in shape in response to a magnetic field. This behavior arises due to a combination of magnetic and shape-memory properties within the alloy, allowing it to produce mechanical motion or force under magne... | Magnetic shape-memory alloy | Materials_science,Engineering | 1,826 |
78,285,925 | https://en.wikipedia.org/wiki/Code%20ownership | In software engineering, code ownership is a term used to describe control of an individual software developer or a development team over source code modifications of a module or a product.
Definitions
While the term is very popular, there is no universally accepted definition of it. Koana et al., in their 2024 liter... | Code ownership | Technology,Engineering | 492 |
1,435,276 | https://en.wikipedia.org/wiki/Alfa%20%28rocket%29 | Alfa was the designation of an Italian ballistic missile program that started in 1971 under the control of the GRS (Gruppo di Realizzazione Speciale Interforze). It was related to the Polaris A-3 missile.
Development
Born from the development effort for efficient solid-propellant rocket engines, the Alfa was planned ... | Alfa (rocket) | Astronomy | 265 |
27,728,331 | https://en.wikipedia.org/wiki/Motorola%20C390 | The Motorola C390 is a low-cost 900/1800/1900-band GSM mobile phone, manufactured by Motorola. It was released in the fourth quarter of 2004 as a successor to the C385. Main difference is the availability of bluetooth with the C390. Dimensions are 107 x 44 x 20.9 mm, weight is 91 g. It was available in Dark Blue Green ... | Motorola C390 | Technology | 186 |
40,298,271 | https://en.wikipedia.org/wiki/Fable%20Legends | Fable Legends is a cancelled cooperative action role-playing video game developed by Lionhead Studios and projected to be published by Microsoft Studios for Windows and Xbox One. Microsoft cancelled the game on 7 March 2016. The servers shut down on 13 April 2016.
Gameplay
Fable Legends was based around four Heroes an... | Fable Legends | Physics | 1,239 |
15,325,913 | https://en.wikipedia.org/wiki/Gorn%20address | A Gorn address (Gorn, 1967) is a method of identifying and addressing any node within a tree data structure. This notation is often used for identifying nodes in a parse tree defined by phrase structure rules.
The Gorn address is a sequence of zero or more integers conventionally separated by dots, e.g., 0 or 1.0.1.
... | Gorn address | Technology | 170 |
28,105,467 | https://en.wikipedia.org/wiki/Sir%20John%20Carling%20Building | The Sir John Carling Building was located along Carling Avenue at the Central Experimental Farm, in Ottawa, Ontario, Canada. Until 2010, it was the headquarters of Agriculture and Agri-Food Canada, containing administration facilities and the offices of the Minister and Deputy Minister of Agriculture.
Named after John... | Sir John Carling Building | Engineering | 469 |
285,522 | https://en.wikipedia.org/wiki/Superheating | In thermodynamics, superheating (sometimes referred to as boiling retardation, or boiling delay) is the phenomenon in which a liquid is heated to a temperature higher than its boiling point, without boiling. This is a so-called metastable state or metastate, where boiling might occur at any time, induced by external or... | Superheating | Physics,Chemistry,Engineering | 867 |
1,461,209 | https://en.wikipedia.org/wiki/Riemann%E2%80%93Lebesgue%20lemma | In mathematics, the Riemann–Lebesgue lemma, named after Bernhard Riemann and Henri Lebesgue, states that the Fourier transform or Laplace transform of an L1 function vanishes at infinity. It is of importance in harmonic analysis and asymptotic analysis.
Statement
Let be an integrable function, i.e. is a measurable ... | Riemann–Lebesgue lemma | Mathematics | 537 |
1,594,929 | https://en.wikipedia.org/wiki/Demon%20Seed | Demon Seed is a 1977 American science-fiction horror film directed by Donald Cammell. It stars Julie Christie and Fritz Weaver. The film was based on the 1973 novel of the same name by Dean Koontz, and concerns the imprisonment and forced impregnation of a woman by an artificially intelligent computer. Gerrit Graham, B... | Demon Seed | Technology | 2,583 |
5,340,335 | https://en.wikipedia.org/wiki/Avobenzone%20%28data%20page%29 |
References
Chemical data pages
Chemical data pages cleanup | Avobenzone (data page) | Chemistry | 10 |
2,668,585 | https://en.wikipedia.org/wiki/Rho%20Serpentis | Rho Serpentis, Latinized from ρ Serpentis, is a single star in the Caput section of the equatorial Serpens constellation. It has an orange hue and is faintly visible to the naked eye with an apparent visual magnitude of +4.78. The distance to this star is approximately 375 light years based on parallax, but it is drift... | Rho Serpentis | Astronomy | 258 |
153,099 | https://en.wikipedia.org/wiki/Normal%20closure%20%28group%20theory%29 | In group theory, the normal closure of a subset of a group is the smallest normal subgroup of containing
Properties and description
Formally, if is a group and is a subset of the normal closure of is the intersection of all normal subgroups of containing :
The normal closure is the smallest normal subgrou... | Normal closure (group theory) | Mathematics | 200 |
57,707,341 | https://en.wikipedia.org/wiki/Ace%20Stream | Ace Stream is a peer-to-peer multimedia streaming protocol, built using BitTorrent technology. Ace Stream has been recognized by sources as a potential method for broadcasting and viewing bootlegged live video streams. The protocol functions as both a client and a server. When users stream a video feed using Ace Stream... | Ace Stream | Technology,Engineering | 170 |
18,019,049 | https://en.wikipedia.org/wiki/Rs6294 | Rs6294, also called G294A, is a gene variation—a single nucleotide polymorphism (SNP)— in the HTR1A gene.
C(-1019)G (rs6295) is another SNP in the HTR1A gene.
References
SNPs on chromosome 5 | Rs6294 | Biology | 71 |
5,923,151 | https://en.wikipedia.org/wiki/Remote%20field%20testing | Remote field testing (RFT) is a method of nondestructive testing using low-frequency AC. whose main application is finding defects in steel pipes and tubes. RFT is also referred to as remote field eddy current testing (RFEC or RFET). RFET is sometimes expanded as remote field electromagnetic technique, although a magne... | Remote field testing | Materials_science | 571 |
19,220,750 | https://en.wikipedia.org/wiki/22-Dihydroergocalciferol | 22-Dihydroergocalciferol is a form of vitamin D, also known as vitamin D4. It has the systematic name (5Z,7E)-(3S)-9,10-seco-5,7,10(19)-ergostatrien-3-ol.
Vitamin D4 is found in certain mushrooms, being produced from ergosta-5,7-dienol (22,23-dihydroergosterol) instead of ergosterol.
See also
Forms of vitamin D, the ... | 22-Dihydroergocalciferol | Chemistry,Biology | 157 |
53,393,485 | https://en.wikipedia.org/wiki/World%20Congress%20on%20Intelligent%20Transport%20Systems | The World Congress on Intelligent Transport Systems (commonly known as the ITS World Congress) is an annual conference and trade show to promote ITS technologies. ERTICO (ITS Europe), ITS America, ITS AsiaPacific and ITS Japan are its sponsors. Each year the event takes place in a different region (Europe, Americas or ... | World Congress on Intelligent Transport Systems | Technology | 406 |
1,067,222 | https://en.wikipedia.org/wiki/Spermatid | The spermatid is the haploid male gametid that results from division of secondary spermatocytes. As a result of meiosis, each spermatid contains only half of the genetic material present in the original primary spermatocyte.
Spermatids are connected by cytoplasmic material and have superfluous cytoplasmic material ... | Spermatid | Biology | 528 |
20,447,008 | https://en.wikipedia.org/wiki/Barrel%20nut | On some firearms the gun barrel is fastened to the receiver with a nut, referred to as a barrel nut.
A barrel nut (also known as steel cross dowel or dowel nut) is a specialized forged nut, and is commonly used in aerospace and ready-to-assemble furniture applications.
It is used to bolt thin sheet metal parts to la... | Barrel nut | Engineering | 359 |
31,489,021 | https://en.wikipedia.org/wiki/Kettle%20logic | Kettle logic () is a rhetorical device wherein one uses multiple arguments to defend a point, but the arguments are inconsistent with each other.
Jacques Derrida uses this expression in reference to the humorous "kettle-story" related by Sigmund Freud in The Interpretation of Dreams (1900) and Jokes and Their Relation... | Kettle logic | Biology | 313 |
8,686,104 | https://en.wikipedia.org/wiki/Anthracotheriidae | Anthracotheriidae is a paraphyletic family of extinct, hippopotamus-like artiodactyl ungulates related to hippopotamuses and whales. The oldest genus, Elomeryx, first appeared during the middle Eocene in Asia. They thrived in Africa and Eurasia, with a few species ultimately entering North America during the Oligocene.... | Anthracotheriidae | Biology | 809 |
11,107,329 | https://en.wikipedia.org/wiki/SN%202006gy | SN 2006gy was an extremely energetic supernova, also referred to as a hypernova, that was discovered on September 18, 2006. It was first observed by Robert Quimby and P. Mondol, and then studied by several teams of astronomers using facilities that included the Chandra, Lick, and Keck Observatories. In May 2007, NASA a... | SN 2006gy | Chemistry,Astronomy | 801 |
77,389,501 | https://en.wikipedia.org/wiki/Zirconium%20difluoride | Zirconium difluoride is an inorganic chemical compound with the chemical formula .
Synthesis
Zirconium difluoride can be prepared by the action of atomic hydrogen on thin layers of zirconium tetrafluoride, at a temperature of approximately 350°C.
Physical properties
forms black crystals of the orthorhombic system, w... | Zirconium difluoride | Chemistry | 146 |
1,269,117 | https://en.wikipedia.org/wiki/Site-directed%20spin%20labeling | Site-directed spin labeling (SDSL) is a technique for investigating the structure and local dynamics of proteins using electron spin resonance. The theory of SDSL is based on the specific reaction of spin labels with amino acids. A spin label's built-in protein structure can be detected by EPR spectroscopy. SDSL is al... | Site-directed spin labeling | Physics,Chemistry,Biology | 501 |
15,843,635 | https://en.wikipedia.org/wiki/Cartesian%20tree | In computer science, a Cartesian tree is a binary tree derived from a sequence of distinct numbers. To construct the Cartesian tree, set its root to be the minimum number in the sequence, and recursively construct its left and right subtrees from the subsequences before and after this number. It is uniquely defined as... | Cartesian tree | Mathematics | 3,539 |
19,555 | https://en.wikipedia.org/wiki/Molecule | A molecule is a group of two or more atoms that are held together by attractive forces known as chemical bonds; depending on context, the term may or may not include ions that satisfy this criterion. In quantum physics, organic chemistry, and biochemistry, the distinction from ions is dropped and molecule is often used... | Molecule | Physics,Chemistry | 3,494 |
63,221,711 | https://en.wikipedia.org/wiki/Cyclooctadiene%20iridium%20methoxide%20dimer | Cyclooctadiene iridium methoxide dimer is an organoiridium compound with the formula Ir2(OCH3)2(C8H12)2, where C8H12 is the diene 1,5-cyclooctadiene. It is a yellow solid that is soluble in organic solvents. The complex is used as a precursor to other iridium complexes, some of which are used in homogeneous catalysis. ... | Cyclooctadiene iridium methoxide dimer | Chemistry | 168 |
8,517,337 | https://en.wikipedia.org/wiki/Incomplete%20LU%20factorization | In numerical linear algebra, an incomplete LU factorization (abbreviated as ILU) of a matrix is a sparse approximation of the LU factorization often used as a preconditioner.
Introduction
Consider a sparse linear system . These are often solved by computing the factorization , with L lower unitriangular and U upper t... | Incomplete LU factorization | Mathematics | 680 |
7,874,500 | https://en.wikipedia.org/wiki/Chemical%20Workers%27%20Union%20%28United%20Kingdom%29 | The Chemical Workers' Union was a trade union in the United Kingdom.
History
The union was established in 1912 by a small group of pharmacists, as the Retail Chemists' Association. Most of its members were also members of the Pharmaceutical Society, and it focused on improving standards in the trade and limiting the ... | Chemical Workers' Union (United Kingdom) | Chemistry | 700 |
4,739,827 | https://en.wikipedia.org/wiki/Hyperplane%20separation%20theorem | In geometry, the hyperplane separation theorem is a theorem about disjoint convex sets in n-dimensional Euclidean space. There are several rather similar versions. In one version of the theorem, if both these sets are closed and at least one of them is compact, then there is a hyperplane in between them and even two pa... | Hyperplane separation theorem | Mathematics | 1,060 |
45,101,818 | https://en.wikipedia.org/wiki/Circle%20of%20equal%20altitude | The circle of equal altitude, also called circle of position (CoP), is defined as the locus of points on Earth on which an observer sees a celestial object such as the sun or a star, at a given time, with the same observed altitude. It was discovered by the American sea-captain Thomas Hubbard Sumner in 1837, published ... | Circle of equal altitude | Astronomy | 817 |
29,714,573 | https://en.wikipedia.org/wiki/7005%20aluminium%20alloy | 7005 is an aluminium wrought alloy used in bicycle frames. Due to its relative ease of welding, it does not require expensive heat treating. It is, however, harder to form, making manufacture more challenging. It has an Ultimate Tensile Strength of 350 MPa, a Fatigue Strength of 150 MPa and a density of 2.78 g/cm3. It ... | 7005 aluminium alloy | Chemistry | 158 |
39,697,327 | https://en.wikipedia.org/wiki/Fabry%20gap%20theorem | In mathematics, the Fabry gap theorem is a result about the analytic continuation of complex power series whose non-zero terms are of orders that have a certain "gap" between them. Such a power series is "badly behaved" in the sense that it cannot be extended to be an analytic function anywhere on the boundary of its d... | Fabry gap theorem | Mathematics | 248 |
12,757,598 | https://en.wikipedia.org/wiki/Altai%20falcon | The Altai falcon has been identified as a color morph of the Central Asian saker falcon (Falco cherrug milvipes), as per the latest genetic research (Zinevich et al. 2023). Previously, it was variously classified as a morph, a subspecies (Falco cherrug altaicus), and even separate species (Falco altaicus). It used to h... | Altai falcon | Biology | 811 |
10,503,894 | https://en.wikipedia.org/wiki/Urban%20Realm | Urban Realm is a planning magazine published in Scotland, with a focus on Scottish issues. The magazine was established as Prospect in 1922 by the Royal Incorporation of Architects in Scotland, and is the oldest architectural magazine in Scotland. It was rebranded as Urban Realm in 2009 to reflect the wider environment... | Urban Realm | Engineering | 251 |
19,513,970 | https://en.wikipedia.org/wiki/HCMOS | HCMOS ("high-speed CMOS") is the set of specifications for electrical ratings and characteristics, forming the 74HC00 family, a part of the 7400 series of integrated circuits.
The 74HC00 family followed, and improved upon, the 74C00 series (which provided an alternative CMOS logic family to the 4000 series but retaine... | HCMOS | Technology,Engineering | 386 |
72,645,041 | https://en.wikipedia.org/wiki/Core-compact%20space | In general topology and related branches of mathematics, a core-compact topological space is a topological space whose partially ordered set of open subsets is a continuous poset. Equivalently, is core-compact if it is exponentiable in the category Top of topological spaces. Expanding the definition of an exponential... | Core-compact space | Physics,Mathematics | 199 |
18,766,220 | https://en.wikipedia.org/wiki/Bertrand%E2%80%93Diguet%E2%80%93Puiseux%20theorem | In the mathematical study of the differential geometry of surfaces, the Bertrand–Diguet–Puiseux theorem expresses the Gaussian curvature of a surface in terms of the circumference of a geodesic circle, or the area of a geodesic disc. The theorem is named for Joseph Bertrand, Victor Puiseux, and Charles François Diguet... | Bertrand–Diguet–Puiseux theorem | Mathematics | 182 |
31,161,972 | https://en.wikipedia.org/wiki/IEC%2061400 | IEC 61400 is an international standard published by the International Electrotechnical Commission (IEC) regarding wind turbines.
Purpose and function
IEC 61400 is a set of design requirements made to ensure that wind turbines are appropriately engineered against damage from hazards within the planned lifetime. The st... | IEC 61400 | Technology | 1,716 |
58,296,197 | https://en.wikipedia.org/wiki/Surfactant%20leaching%20%28decontamination%29 | Surfactant leaching is a method of water and soil decontamination, e.g., for oil recovery in petroleum industry. It involves mixing of contaminated water or soil with surfactants with the subsequent leaching of emulsified contaminants. In oil recovery, most common surfactant types are ethoxylated alcohols, ethoxylated ... | Surfactant leaching (decontamination) | Chemistry,Environmental_science | 113 |
23,652,115 | https://en.wikipedia.org/wiki/C11H15NO2 | {{DISPLAYTITLE:C11H15NO2}}
The molecular formula C11H15NO2 (molar mass : 193.24 g/mol, exact mass : 193.110279) may refer to:
1,3-Benzodioxolylbutanamine
Butamben
m-Cumenyl methylcarbamate
3,4-Ethylidenedioxyamphetamine
Isoprocarb
Lobivine
MDMA (3,4-MDMA, 3,4-Methylenedioxymethamphetamine)
Methedrone
3-Metho... | C11H15NO2 | Chemistry | 209 |
55,616,993 | https://en.wikipedia.org/wiki/Mycorrhaphium%20africanum | Mycorrhaphium africanum is a species of tooth fungus in the family Steccherinaceae. It was described as new to science in 2003 by mycologists Dominique Claude Mossebo and Leif Ryvarden. The type was collected in the Dja Faunal Reserve in Cameroon, where it was found fruiting on fallen dead hardwood branches.
Descripti... | Mycorrhaphium africanum | Biology | 257 |
582,453 | https://en.wikipedia.org/wiki/Age%20of%20Aquarius | The Age of Aquarius, in astrology, is either the current or forthcoming astrological age, depending on the method of calculation. Astrologers maintain that an astrological age is a product of the Earth's slow precessional rotation and lasts for 2,160 years, on average (one 25,920 year period of precession, or great yea... | Age of Aquarius | Physics | 1,722 |
70,957,264 | https://en.wikipedia.org/wiki/Motorola%20Edge%2030 | Motorola Edge 30 is a series of Android smartphones developed by Motorola Mobility, a subsidiary of Lenovo, launched on 2022.
References
External links
Mobile phones introduced in 2022
Android (operating system) devices
Motorola smartphones
Mobile phones with multiple rear cameras
Mobile phones with 4K video recordi... | Motorola Edge 30 | Technology | 59 |
7,480,035 | https://en.wikipedia.org/wiki/Machine%20Age | The Machine Age is an era that includes the early-to-mid 20th century, sometimes also including the late 19th century. An approximate dating would be about 1880 to 1945. Considered to be at its peak in the time between the first and second world wars, the Machine Age overlaps with the late part of the Second Industrial... | Machine Age | Physics,Technology,Engineering | 708 |
3,251,151 | https://en.wikipedia.org/wiki/Quilt%20maple | Quilt or quilted maple refers to a type of figure in maple wood. It is seen on the tangential plane (flat-sawn) and looks like a wavy "quilted" pattern, often similar to ripples on water. The highest quality quilted figure is found in the Western Big Leaf species of maple. It is a distortion of the grain pattern itself... | Quilt maple | Physics | 108 |
13,891,942 | https://en.wikipedia.org/wiki/Bloch%20spectrum | The Bloch spectrum is a concept in quantum mechanics in the field of theoretical physics; this concept addresses certain energy spectrum considerations. Let H be the one-dimensional Schrödinger equation operator
where Uα is a periodic function of period α. The Bloch spectrum of H is defined as the set of values E for... | Bloch spectrum | Physics | 159 |
561,597 | https://en.wikipedia.org/wiki/Battlefield%20Vietnam | Battlefield Vietnam is a 2004 first-person shooter video game developed by Digital Illusions Canada and published by Electronic Arts for Microsoft Windows. It is the second installment of the Battlefield franchise, coming after Battlefield 1942. Battlefield Vietnam takes place during the Vietnam War and features a larg... | Battlefield Vietnam | Physics | 742 |
11,512,494 | https://en.wikipedia.org/wiki/Kretzschmaria%20deusta | Kretzschmaria deusta, commonly known as brittle cinder, is a fungus and plant pathogen found in temperate regions.
Taxonomy
The species was originally described as Sphaeria deusta by German naturalist George Franz Hoffman in 1787, and later changed in 1970 by South African mycologist P.M.D. Martin to Kretzschmaria de... | Kretzschmaria deusta | Biology | 756 |
31,638,904 | https://en.wikipedia.org/wiki/CSM1 | CSM1 (RNA name: Csm1p) is a protein that in Saccharomyces cerevisiae strain S288c is encoded by the CSM1 gene.
References
Bibliography
Saccharomyces cerevisiae genes
Proteins | CSM1 | Chemistry | 55 |
28,119,956 | https://en.wikipedia.org/wiki/Coarse%20function | In mathematics, coarse functions are functions that may appear to be continuous at a distance, but in reality are not necessarily continuous. Although continuous functions are usually observed on a small scale, coarse functions are usually observed on a large scale.
See also
Coarse structure
References
Types of f... | Coarse function | Mathematics | 56 |
1,648,576 | https://en.wikipedia.org/wiki/NLS%20%28computer%20system%29 | NLS (oN-Line System) was a revolutionary computer collaboration system developed in the 1960s. It was designed by Douglas Engelbart and implemented by researchers at the Augmentation Research Center (ARC) at the Stanford Research Institute (SRI). It was the first computer system to employ the practical use of hypertext... | NLS (computer system) | Technology | 2,286 |
18,562,558 | https://en.wikipedia.org/wiki/Pempidine | Pempidine is a ganglion-blocking drug, first reported in 1958 by two research groups working independently, and introduced as an oral treatment for hypertension.
Pharmacology
Reports on the "classical" pharmacology of pempidine have been published. The Spinks group, at ICI, compared pempidine, its N-ethyl analogue, an... | Pempidine | Chemistry | 427 |
19,762,732 | https://en.wikipedia.org/wiki/Suzuki%20frame | The Suzuki frame is a medical device, used for helping heal broken fingers, especially those with deep, complex intra-articular fractures. Rubber bands are used to generate traction between two metal Kirschner wires that are inserted into the bone on either side of a fracture.
The device was named after its inventor, ... | Suzuki frame | Biology | 80 |
73,423,703 | https://en.wikipedia.org/wiki/Hericium%20flagellum | Hericium flagellum is a species of fungus in the family Hericiaceae native to Europe, first described by Giovanni Antonio Scopoli, and placed into its current genus by Christiaan Hendrik Persoon in 1797. It was confirmed—using sexual incompatibility studies—to be a distinct species from H. coralloides in 1983. Found in... | Hericium flagellum | Biology | 161 |
33,998,577 | https://en.wikipedia.org/wiki/Pentaamine%28dinitrogen%29ruthenium%28II%29%20chloride | Pentaamine(nitrogen)ruthenium(II) chloride is an inorganic compound with the formula [Ru(NH3)5(N2)]Cl2. It is a nearly white solid, but its solutions are yellow. The cationic complex is of historic significance as the first compound with N2 bound to a metal center. [Ru(NH3)5(N2)]2+ adopts an octahedral structure with C... | Pentaamine(dinitrogen)ruthenium(II) chloride | Chemistry | 485 |
1,217,104 | https://en.wikipedia.org/wiki/Stokes%20shift | Stokes shift is the difference (in energy, wavenumber or frequency units) between positions of the band maxima of the absorption and emission spectra (fluorescence and Raman being two examples) of the same electronic transition. It is named after Irish physicist George Gabriel Stokes.
When a system (be it a molecule o... | Stokes shift | Chemistry | 925 |
3,515,026 | https://en.wikipedia.org/wiki/Aluminium%20gallium%20phosphide | Aluminium gallium phosphide, , a phosphide of aluminium and gallium, is a semiconductor material. It is an alloy of aluminium phosphide and gallium phosphide. It is used to manufacture light-emitting diodes emitting green light.
See also
Aluminium gallium indium phosphide
External links
Light-Emitting Diode - An Int... | Aluminium gallium phosphide | Physics,Chemistry,Materials_science | 114 |
25,937,142 | https://en.wikipedia.org/wiki/Project%20agreement%20%28Canada%29 | A project agreement is an agreement between the owner/developer of a construction project and the construction trade unions that will perform that construction work. A project agreement modifies the terms of otherwise applicable construction collective agreements for purposes of a specific construction project or a de... | Project agreement (Canada) | Engineering | 435 |
4,748,365 | https://en.wikipedia.org/wiki/Institute%20of%20Petroleum | The Institute of Petroleum (IP) was a UK-based professional organisation founded in 1913 as the Institute of Petroleum Technologists. It changed its name to the Institute of Petroleum in 1938. The institute became defunct when it merged with the Institute of Energy in 2003 to form the Energy Institute.
Background
The... | Institute of Petroleum | Chemistry,Engineering | 999 |
302,600 | https://en.wikipedia.org/wiki/Gyromitra%20esculenta | Gyromitra esculenta is an ascomycete fungus from the genus Gyromitra, widely distributed across Europe and North America. It normally fruits in sandy soils under coniferous trees in spring and early summer. The fruiting body, or mushroom, is an irregular brain-shaped cap dark brown in colour that can reach high and ... | Gyromitra esculenta | Biology,Environmental_science | 4,060 |
706,884 | https://en.wikipedia.org/wiki/Waterspout | A waterspout is a rotating column of air that occurs over a body of water, usually appearing as a funnel-shaped cloud in contact with the water and a cumuliform cloud. There are two types of waterspout, each formed by distinct mechanisms. The most common type is a weak vortex known as a "fair weather" or "non-tornadic"... | Waterspout | Physics,Chemistry,Mathematics | 2,273 |
413,755 | https://en.wikipedia.org/wiki/Stapler | A stapler is a mechanical device that joins pages of paper or similar material by driving a thin metal staple through the sheets and folding the ends. Staplers are widely used in government, business, offices, workplaces, homes, and schools.
The word "stapler" can actually refer to a number of different devices of var... | Stapler | Engineering | 1,732 |
2,229,421 | https://en.wikipedia.org/wiki/Diisobutylaluminium%20hydride | Diisobutylaluminium hydride (DIBALH, DIBAL, DIBAL-H or DIBAH) is a reducing agent with the formula (i-Bu2AlH)2, where i-Bu represents isobutyl (-CH2CH(CH3)2). This organoaluminium compound is a reagent in organic synthesis.
Properties
Like most organoaluminum compounds, the compound's structure is most probably more t... | Diisobutylaluminium hydride | Chemistry | 572 |
11,256,467 | https://en.wikipedia.org/wiki/Damaskeening | Damaskeening is decorative patterning on a watch movement. The term damaskeening is used in America, while in Europe the terms used are Fausses Côtes, Côtes de Genève or Geneva Stripes. Such patterns are made from very fine scratches made by rose engine lathe using small disks, polishing wheels or ivory laps. Thes... | Damaskeening | Technology | 478 |
28,401,716 | https://en.wikipedia.org/wiki/Drug%20Metabolism%20and%20Disposition | Drug Metabolism and Disposition is a peer-reviewed scientific journal covering the fields of pharmacology and toxicology. It was established in 1973 and is published monthly by the American Society for Pharmacology and Experimental Therapeutics. The journal publishes articles on in vitro and in vivo studies of the meta... | Drug Metabolism and Disposition | Environmental_science | 271 |
57,738,208 | https://en.wikipedia.org/wiki/Belgian%20Scientific%20Expedition | Belgian Scientific Expedition was a scientific survey of the Great Barrier Reef, conducted in 1967–1968.
The Belgian Scientific Expedition to the Great Barrier Reef was a seven month expedition beginning in 1967, sponsored by the University of Liege, Belgium, the Belgium Ministry of Education and the National Foundati... | Belgian Scientific Expedition | Biology | 357 |
73,430,543 | https://en.wikipedia.org/wiki/Xenon%20octafluoride | Xenon octafluoride is a chemical compound of xenon and fluorine with the chemical formula . This is still a hypothetical compound. is reported to be unstable even under pressures reaching 200 GPa.
History
The compound was initially predicted in 1933 by Linus Pauling—among other noble gas compounds but which, unlike ... | Xenon octafluoride | Chemistry | 162 |
20,657,686 | https://en.wikipedia.org/wiki/M44%20generator%20cluster | The M44 generator cluster was an American chemical cluster bomb designed to deliver the incapacitating agent BZ. It was first mass-produced in 1962 and all stocks of the weapons were destroyed by 1989.
History
The United States Army Chemical Corps renewed their chemical warfare (CW) program's focus in the early 1960s.... | M44 generator cluster | Chemistry | 587 |
62,285,602 | https://en.wikipedia.org/wiki/Multi-agent%20reinforcement%20learning | Multi-agent reinforcement learning (MARL) is a sub-field of reinforcement learning. It focuses on studying the behavior of multiple learning agents that coexist in a shared environment. Each agent is motivated by its own rewards, and does actions to advance its own interests; in some environments these interests are op... | Multi-agent reinforcement learning | Engineering | 1,888 |
19,075,439 | https://en.wikipedia.org/wiki/Slot-waveguide | A slot-waveguide is an optical waveguide that guides strongly confined light in a subwavelength-scale low refractive index region by total internal reflection.
A slot-waveguide consists of two strips or slabs of high-refractive-index (nH) materials separated by a subwavelength-scale low-refractive-index (nS) slot regi... | Slot-waveguide | Materials_science,Technology,Engineering | 1,404 |
39,897,887 | https://en.wikipedia.org/wiki/Journal%20of%20Electronic%20Imaging | The Journal of Electronic Imaging is a peer-reviewed scientific journal published quarterly by SPIE and the Society for Imaging Science and Technology. It covers all technology topics pertaining to the field of electronic imaging. The editor-in-chief is Zeev Zalevsky.
Abstracting and indexing
This journal is indexed b... | Journal of Electronic Imaging | Engineering | 144 |
8,282,811 | https://en.wikipedia.org/wiki/Ban%20number | In recreational mathematics, a ban number is a number that does not contain a particular letter when spelled out in English; in other words, the letter is "banned." Ban numbers are not precisely defined, since some large numbers do not follow the standards of number names (such as googol and googolplex).
There are sev... | Ban number | Mathematics | 881 |
1,025,901 | https://en.wikipedia.org/wiki/Reynolds%20decomposition | In fluid dynamics and turbulence theory, Reynolds decomposition is a mathematical technique used to separate the expectation value of a quantity from its fluctuations.
Decomposition
For example, for a quantity the decomposition would be
where denotes the expectation value of , (often called the steady component/tim... | Reynolds decomposition | Chemistry | 294 |
9,503,943 | https://en.wikipedia.org/wiki/Equine%20nutrition | Equine nutrition is the feeding of horses, ponies, mules, donkeys, and other equines. Correct and balanced nutrition is a critical component of proper horse care.
Horses are non-ruminant herbivores of a type known as a "hindgut fermenter." Horses have only one stomach, as do humans. However, unlike humans, they also ... | Equine nutrition | Biology | 8,167 |
25,373,946 | https://en.wikipedia.org/wiki/ActiveVOS | ActiveVOS is a business process management suite. Business processes are designed using the graphical BPMN 2.0 notation. The process engine implements the WS-BPEL 2.0 standard as well as BPEL4People for processes that require people to perform tasks from a task list.
References
External links
Product page
Middlewar... | ActiveVOS | Technology,Engineering | 71 |
142,440 | https://en.wikipedia.org/wiki/Climatology | Climatology (from Greek , klima, "slope"; and , -logia) or climate science is the scientific study of Earth's climate, typically defined as weather conditions averaged over a period of at least 30 years. Climate concerns the atmospheric condition during an extended to indefinite period of time; weather is the condition... | Climatology | Physics | 2,892 |
1,752,597 | https://en.wikipedia.org/wiki/Arbitrary%20code%20execution | In computer security, arbitrary code execution (ACE) is an attacker's ability to run any commands or code of the attacker's choice on a target machine or in a target process. An arbitrary code execution vulnerability is a security flaw in software or hardware allowing arbitrary code execution. A program that is designe... | Arbitrary code execution | Technology | 866 |
885,379 | https://en.wikipedia.org/wiki/Flying%20shuttle | The flying shuttle is a type of weaving shuttle. It was a pivotal advancement in the mechanisation of weaving during the initial stages of the Industrial Revolution, and facilitated the weaving of considerably broader fabrics, enabling the production of wider textiles. Moreover, its mechanical implementation paved the ... | Flying shuttle | Engineering | 1,138 |
8,098,406 | https://en.wikipedia.org/wiki/ProRec | The ProRec initiative of 1996 was a network of national non-profit organisations (the "ProRec centres"). The initiative was a consequence of the conclusions of the Concerted Action MEDIREC (1994-1995) regarding the reasons why Electronic Health Record (EHR) systems were not used more widely in any of the European Union... | ProRec | Technology | 271 |
23,905,128 | https://en.wikipedia.org/wiki/C11H8N2 | {{DISPLAYTITLE:C11H8N2}}
The molecular formula C11H8N2 (molar mass: 168.19 g/mol, exact mass: 168.0687 u) may refer to:
β-Carboline (9H-pyrido[3,4-b]indole), or norharmane
γ-Carboline | C11H8N2 | Chemistry | 85 |
5,102,885 | https://en.wikipedia.org/wiki/Isodynamic%20point | In Euclidean geometry, the isodynamic points of a triangle are points associated with the triangle, with the properties that an inversion centered at one of these points transforms the given triangle into an equilateral triangle, and that the distances from the isodynamic point to the triangle vertices are inversely pr... | Isodynamic point | Physics,Mathematics | 1,430 |
37,135,322 | https://en.wikipedia.org/wiki/2012%20United%20Kingdom%20meteoroid | The 2012 UK meteoroid was an object that entered the atmosphere above the United Kingdom on Friday, 21 September 2012, around 11pm. Many news agencies across the UK reported this event.
Overview
Several theories were made as to the origin of the sightings - from it being a meteoroid to a UFO. Initially, the most prom... | 2012 United Kingdom meteoroid | Astronomy | 279 |
9,313,361 | https://en.wikipedia.org/wiki/NASBA%20%28molecular%20biology%29 | Nucleic acid sequence-based amplification, commonly referred to as NASBA, is a method in molecular biology which is used to produce multiple copies of single stranded RNA. NASBA is a two-step process that takes RNA and anneals specially designed primers, then utilizes an enzyme cocktail to amplify it.
Background
Nucl... | NASBA (molecular biology) | Chemistry,Technology,Biology | 1,049 |
66,616,868 | https://en.wikipedia.org/wiki/VISC%20architecture | In computing, VISC architecture (after Virtual Instruction Set Computing) is a processor instruction set architecture and microarchitecture developed by Soft Machines, which uses the Virtual Software Layer (translation layer) to dispatch a single thread of instructions to the Global Front End which splits instructions ... | VISC architecture | Engineering | 281 |
2,283,810 | https://en.wikipedia.org/wiki/Garage%20kit | A garage kit (ガレージキット) or resin kit is an assembly scale model kit most commonly cast in polyurethane resin.
They are often model figures portraying humans or other living creatures. In Japan, kits often depict anime characters, and in the United States, depictions of movie monsters are common. However, kits can be pr... | Garage kit | Physics | 1,537 |
2,236,213 | https://en.wikipedia.org/wiki/Microcellular%20plastic | Microcellular plastics, otherwise known as microcellular foam, is a form of manufactured plastic fabricated to contain billions of tiny bubbles less than 50 microns wide (typically 0.1–100 micrometers). It is formed by dissolving gas under high pressure into various polymers, relying on the phenomenon of thermodynamic ... | Microcellular plastic | Physics | 1,505 |
2,192,043 | https://en.wikipedia.org/wiki/Kupala%20Night | Kupala Night (also Kupala's Night or just Kupala; Polish: , Belarusian: , Russian: , , Ukrainian: ) is one of the major folk holidays in some of the Slavic countries that coincides with the Christian feast of the Nativity of St. John the Baptist and the East Slavic feast of Saint John's Eve. In folk tradition, it was r... | Kupala Night | Astronomy | 5,849 |
41,356,740 | https://en.wikipedia.org/wiki/Surotomycin | Surotomycin was an investigational oral antibiotic. This macrolide antibiotic was under investigation by Merck & Co (who acquired Cubist Pharmaceuticals) for the treatment of life-threatening diarrhea, commonly caused by the bacterium Clostridioides difficile. After reaching phase III in clinical trials, its production... | Surotomycin | Biology | 115 |
33,863,877 | https://en.wikipedia.org/wiki/Hemorphin-4 | Hemorphin-4 is an endogenous opioid peptide of the hemorphin family which possesses antinociceptive properties and is derived from the β-chain of hemoglobin in the bloodstream. It is a tetrapeptide with the amino acid sequence Tyr-Pro-Trp-Thr. Hemorphin-4 has affinities for the μ-, δ-, and κ-opioid receptors that are i... | Hemorphin-4 | Chemistry,Biology | 241 |
24,201,900 | https://en.wikipedia.org/wiki/C17H26O3 | {{DISPLAYTITLE:C17H26O3}}
The molecular formula C17H26O3 (molar mass :278.39 g/mol) may refer to:
Isofalcarintriol, a polyacetylene found in carrots
Panaxytriol, a fatty alcohol found in ginseng
Paradol, the active flavor constituent of the seeds of Guinea pepper | C17H26O3 | Chemistry | 87 |
24,505 | https://en.wikipedia.org/wiki/Phospholipid | Phospholipids are a class of lipids whose molecule has a hydrophilic "head" containing a phosphate group and two hydrophobic "tails" derived from fatty acids, joined by an alcohol residue (usually a glycerol molecule). Marine phospholipids typically have omega-3 fatty acids EPA and DHA integrated as part of the phospho... | Phospholipid | Chemistry | 2,055 |
76,092,030 | https://en.wikipedia.org/wiki/Amauroderma%20grandisporum | Amauroderma grandisporum is a tough woody mushroom in the family Ganodermataceae. It is a polypore fungus.
References
grandisporum
Fungi described in 1998
Fungus species
Taxa named by Leif Ryvarden | Amauroderma grandisporum | Biology | 49 |
3,832 | https://en.wikipedia.org/wiki/Bauhaus | The Staatliches Bauhaus (), commonly known as the , was a German art school operational from 1919 to 1933 that combined crafts and the fine arts. The school became famous for its approach to design, which attempted to unify individual artistic vision with the principles of mass production and emphasis on function. Alon... | Bauhaus | Engineering | 6,842 |
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