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 |
|---|---|---|---|---|---|
300,278 | https://en.wikipedia.org/wiki/Integrated%20receiver/decoder | An integrated receiver/decoder (IRD) is an electronic device used to pick up a radio-frequency signal and convert digital information transmitted in it.
Consumer IRDs
Consumer IRDs, commonly called set-top boxes, are used by end users and are much cheaper compared to professional IRDs. To curb content piracy, they al... | Integrated receiver/decoder | Technology,Engineering | 386 |
5,382,739 | https://en.wikipedia.org/wiki/Vassili%20Samarsky-Bykhovets | Vasili Yevgrafovich Samarsky-Bykhovets (; 7 November 1803 – 31 May 1870) was a Russian mining engineer and the chief of Russian Mining Engineering Corps between 1845 and 1861. The mineral samarskite (samarskite-Y, samarskite-Yb and calciosamarskite), and chemical element samarium are named after him. He was the first p... | Vassili Samarsky-Bykhovets | Engineering | 560 |
26,587,782 | https://en.wikipedia.org/wiki/Scotophor | A scotophor is a material showing reversible darkening and bleaching when subjected to certain types of radiation. The name means dark bearer, in contrast to phosphor, which means light bearer. Scotophors show tenebrescence (reversible photochromism) and darken when subjected to an intense radiation such as sunlight. M... | Scotophor | Physics,Chemistry,Materials_science,Engineering | 971 |
15,929,035 | https://en.wikipedia.org/wiki/Telavancin | Telavancin (trade name Vibativ by Cumberland Pharmaceuticals) is a bactericidal lipoglycopeptide for use in MRSA or other Gram-positive infections. Telavancin is a semi-synthetic derivative of vancomycin.
The FDA approved the drug in September 2009 for complicated skin and skin structure infections (cSSSI), and in Jun... | Telavancin | Biology | 717 |
158,715 | https://en.wikipedia.org/wiki/Radiator | A radiator is a heat exchanger used to transfer thermal energy from one medium to another for the purpose of cooling and heating. The majority of radiators are constructed to function in cars, buildings, and electronics.
A radiator is always a source of heat to its environment, although this may be for either the purp... | Radiator | Technology,Engineering | 1,392 |
12,994,627 | https://en.wikipedia.org/wiki/Rothmund%E2%80%93Thomson%20syndrome | Rothmund–Thomson syndrome (RTS) is a rare autosomal recessive skin condition.
There have been several reported cases associated with osteosarcoma. A hereditary basis, mutations in the DNA helicase RECQL4 gene, causing problems during initiation of DNA replication has been implicated in the syndrome.
Signs and symptom... | Rothmund–Thomson syndrome | Biology | 697 |
29,071,142 | https://en.wikipedia.org/wiki/P%20ring | The P ring forms part of the basal body of the bacterial appendage known as the flagellum. It is known to be embedded in the peptidoglycan cell wall. Together with the L ring, it has the function of anchoring the flagellum to the cell surface.
References
Bacteria | P ring | Biology | 64 |
11,570,295 | https://en.wikipedia.org/wiki/Pyrrhoderma%20noxium | Pyrrhoderma noxium is a species of plant pathogen. It attacks a wide range of tropical plants, and is the cause of brown root rot disease. It has been described as "an aggressive and destructive pathogen". The pathogen invades roots with contact between roots of a potential host with the substrate on which the fungus i... | Pyrrhoderma noxium | Biology | 385 |
12,465,832 | https://en.wikipedia.org/wiki/C6H10 | The molecular formula C6H10 (molar mass: 82.14 g/mol) may refer to:
Cyclohexene
2,3-Dimethyl-1,3-butadiene
1,2-Hexadiene
1,3-Hexadiene
1,4-Hexadiene
1,5-Hexadiene
2,4-Hexadiene
1-Hexyne
2-Hexyne
3-Hexyne
Methylenecyclopentane
4-Methyl-1-pentyne
4-Methyl-2-pentyne
3-Methyl-1-pentyne
3,3-Dimethyl-1-butyne
Mo... | C6H10 | Physics,Chemistry | 149 |
17,953,561 | https://en.wikipedia.org/wiki/Mexican%20Petroleum%20Institute | The Mexican Petroleum Institute (in Spanish: Instituto Mexicano del Petróleo, IMP) is a public research organization dedicated to developing technical solutions, conducting basic and applied research and providing specialized training to Pemex, the state-owned government-granted monopoly in Mexico's petroleum industry.... | Mexican Petroleum Institute | Chemistry | 293 |
32,323,110 | https://en.wikipedia.org/wiki/Paul%20Vredeman%20de%20Vries | Paul Vredeman de Vries (Antwerp, 1567 – Amsterdam, 1617), was a Flemish painter and draughtsman who specialised in architectural paintings and, in particular, church interiors.
Life
He was a son of the Dutch-born architect, painter and engineer Hans Vredeman de Vries who at the time was working in the Southern Netherl... | Paul Vredeman de Vries | Engineering | 716 |
2,939,751 | https://en.wikipedia.org/wiki/Methylparaben | Methylparaben (methyl paraben) one of the parabens, is a preservative with the chemical formula CH3(C6H4(OH)COO). It is the methyl ester of p-hydroxybenzoic acid.
Natural occurrences
Methylparaben serves as a pheromone for a variety of insects and is a component of queen mandibular pheromone.
It is a pheromone in wo... | Methylparaben | Chemistry | 561 |
1,022,185 | https://en.wikipedia.org/wiki/Baldwin%20effect | In evolutionary biology, the Baldwin effect describes an effect of learned behaviour on evolution. James Mark Baldwin and others suggested that an organism's ability to learn new behaviours (e.g. to acclimatise to a new stressor) will affect its reproductive success and will therefore have an effect on the genetic make... | Baldwin effect | Biology | 1,161 |
22,745,050 | https://en.wikipedia.org/wiki/Winters%27s%20formula | Winters's formula, named after R. W. Winters, is a formula used to evaluate respiratory compensation when analyzing acid-base disorders in the presence of metabolic acidosis. It can be given as:
,
where − is given in units of mEq/L and P will be in units of mmHg.
History
Dr. R. W. Winters was an American physician ... | Winters's formula | Mathematics | 731 |
31,041,801 | https://en.wikipedia.org/wiki/Heck%E2%80%93Matsuda%20reaction | The Heck–Matsuda (HM) reaction is an organic reaction and a type of palladium catalysed arylation of olefins that uses arenediazonium salts as an alternative to aryl halides and triflates.
The use of arenediazonium salts presents some advantages over traditional aryl halide electrophiles, for example, the use of phosp... | Heck–Matsuda reaction | Chemistry | 452 |
162,132 | https://en.wikipedia.org/wiki/Derangement | In combinatorial mathematics, a derangement is a permutation of the elements of a set in which no element appears in its original position. In other words, a derangement is a permutation that has no fixed points.
The number of derangements of a set of size is known as the subfactorial of or the derangement number o... | Derangement | Mathematics | 4,358 |
32,150,687 | https://en.wikipedia.org/wiki/Vitamin%20B12-binding%20domain | In molecular biology, the vitamin B12-binding domain is a protein domain which binds to cobalamin (vitamin B12). It can bind two different forms of the cobalamin cofactor, with cobalt bonded either to a methyl group (methylcobalamin) or to 5'-deoxyadenosine (adenosylcobalamin). Cobalamin-binding domains are mainly foun... | Vitamin B12-binding domain | Biology | 732 |
74,761,545 | https://en.wikipedia.org/wiki/Thermoascus%20verrucosus | Thermoascus verrucosus is a species of fungus in the genus Thermoascus in the order of Eurotiales.
References
Thermoascaceae
Fungi described in 1975
Fungus species | Thermoascus verrucosus | Biology | 45 |
15,945,893 | https://en.wikipedia.org/wiki/Stage%20machinery | Stage machinery, also known as stage mechanics, comprises the mechanical devices used to create special effects in theatrical productions, including scene changes, lowering actors through the stage floor (traps) and enabling actors to 'fly' over the stage.
Alexandra Palace Theatre, London and the Gaiety Theatre, Isle... | Stage machinery | Engineering | 1,384 |
507,960 | https://en.wikipedia.org/wiki/Solid%20geometry | Solid geometry or stereometry is the geometry of three-dimensional Euclidean space (3D space).
A solid figure is the region of 3D space bounded by a two-dimensional closed surface; for example, a solid ball consists of a sphere and its interior.
Solid geometry deals with the measurements of volumes of various solids, ... | Solid geometry | Physics | 416 |
2,907,966 | https://en.wikipedia.org/wiki/Gamma%20matrices | In mathematical physics, the gamma matrices, also called the Dirac matrices, are a set of conventional matrices with specific anticommutation relations that ensure they generate a matrix representation of the Clifford algebra It is also possible to define higher-dimensional gamma matrices. When interpreted as the mat... | Gamma matrices | Mathematics | 3,966 |
285,343 | https://en.wikipedia.org/wiki/MacLife | MacLife (stylized as Mac|Life) is an American monthly magazine published by Future US. It focuses on products produced by Apple, including the Macintosh personal computer, iPad, and iPhone. It was sold as a print product on newsstands, but is now a digital-only product distributed through Magazines Direct and the Mac|L... | MacLife | Technology | 556 |
187,273 | https://en.wikipedia.org/wiki/Han%20unification | Han unification is an effort by the authors of Unicode and the Universal Character Set to map multiple character sets of the Han characters of the so-called CJK languages into a single set of unified characters. Han characters are a feature shared in common by written Chinese (hanzi), Japanese (kanji), Korean (hanja) a... | Han unification | Technology | 7,600 |
3,170,403 | https://en.wikipedia.org/wiki/Andromeda%20VIII | Andromeda VIII (And VIII / 8) is a galaxy discovered in August 2003. It is a companion galaxy to the Andromeda Galaxy, M31, and evaded detection for so long due to its diffuse nature. The galaxy was finally discovered by measuring the redshifts of stars in front of Andromeda, which proved to have different velocities ... | Andromeda VIII | Astronomy | 171 |
23,605,363 | https://en.wikipedia.org/wiki/1RXS | 1RXS is an acronym which is the prefix used for the First ROSAT X-ray Survey (1st ROSAT X-ray Survey). This is a catalogue of astronomical objects that were visible in the X-ray spectrum from the ROSAT satellite, in the field of X-ray astronomy.
Examinations of 1RXS has shown that many sources can be identified, such ... | 1RXS | Astronomy | 132 |
23,782,531 | https://en.wikipedia.org/wiki/International%20Planetary%20Data%20Alliance | The International Planetary Data Alliance (IPDA), founded in 2006, is a closely cooperating partnership to maintain the quality and performance of data (including data formats) from planetary research using instruments in space. Specific tasks include promoting the international exchange of high-quality scientific data... | International Planetary Data Alliance | Astronomy | 199 |
45,293,075 | https://en.wikipedia.org/wiki/Cramer%27s%20theorem%20%28algebraic%20curves%29 | In algebraic geometry, Cramer's theorem on algebraic curves gives the necessary and sufficient number of points in the real plane falling on an algebraic curve to uniquely determine the curve in non-degenerate cases. This number is
where is the degree of the curve. The theorem is due to Gabriel Cramer, who published... | Cramer's theorem (algebraic curves) | Mathematics | 1,096 |
47,128,053 | https://en.wikipedia.org/wiki/Oligopeptide%20P11-4 | Oligopeptide P11-4 is a synthetic, pH controlled self-assembling peptide used for biomimetic mineralization e.g. for enamel regeneration or as an oral care agent. P11-4 (INCI name Oligopeptide 104) consists of the natural occurring amino acids Glutamine, Glutamic acid, Phenylalanine, Tryptophan and Arginine. The result... | Oligopeptide P11-4 | Physics | 699 |
8,688,638 | https://en.wikipedia.org/wiki/Washington%20Award | The Washington Award is an American engineering award.
Since 1916 it has been given annually for "accomplishments which promote the happiness, comfort, and well-being of humanity". It is awarded jointly by the following engineering societies: American Institute of Mining, Metallurgical, and Petroleum Engineers, Americ... | Washington Award | Technology | 758 |
63,044,039 | https://en.wikipedia.org/wiki/Semiorthogonal%20decomposition | In mathematics, a semiorthogonal decomposition is a way to divide a triangulated category into simpler pieces. One way to produce a semiorthogonal decomposition is from an exceptional collection, a special sequence of objects in a triangulated category. For an algebraic variety X, it has been fruitful to study semiorth... | Semiorthogonal decomposition | Mathematics | 1,631 |
12,448,287 | https://en.wikipedia.org/wiki/Low-barrier%20hydrogen%20bond | A Low-barrier hydrogen bond (LBHB) is a special type of hydrogen bond. LBHBs can occur when the pKa of the two heteroatoms are closely matched, which allows the hydrogen to be more equally shared between them. This hydrogen-sharing causes the formation of especially short, strong hydrogen bonds.
Description
Standard... | Low-barrier hydrogen bond | Physics,Chemistry,Materials_science | 442 |
979,306 | https://en.wikipedia.org/wiki/Orbital%20station-keeping | In astrodynamics, orbital station-keeping is keeping a spacecraft at a fixed distance from another spacecraft or celestial body. It requires a series of orbital maneuvers made with thruster burns to keep the active craft in the same orbit as its target. For many low Earth orbit satellites, the effects of non-Keplerian ... | Orbital station-keeping | Engineering | 1,805 |
15,036,711 | https://en.wikipedia.org/wiki/Strobilation | Strobilation or transverse fission is a form of asexual reproduction consisting of the spontaneous transverse segmentation of the body. It is observed in certain cnidarians and helminths. This mode of reproduction is characterized by high offspring output, which, in the case of the parasitic tapeworms, is of great sign... | Strobilation | Biology | 603 |
43,475,307 | https://en.wikipedia.org/wiki/Abell%20Catalog%20of%20Planetary%20Nebulae | The Abell Catalog of Planetary Nebulae was created in 1966 by George O. Abell and was composed of 86 entries thought to be planetary nebulae.
The objects were collected from discoveries, about half by Albert George Wilson and the rest by Abell, Robert George Harrington, and Rudolph Minkowski. All were discovered befor... | Abell Catalog of Planetary Nebulae | Astronomy | 309 |
57,247,594 | https://en.wikipedia.org/wiki/U.S.%20Army%20Corps%20of%20Engineers%20Superintendent%27s%20House%20and%20Workmen%27s%20Office | The U.S. Army Corps of Engineers Superintendent's House and Workmen's Office, in Woodbury Park, Woodbury, Kentucky, was listed on the National Register of Historic Places in 1980.
The listing is for two buildings on a high bluff:
the superintendent's house (1912–13), a two-story Flemish bond brick house with a wrapar... | U.S. Army Corps of Engineers Superintendent's House and Workmen's Office | Engineering | 226 |
39,502,824 | https://en.wikipedia.org/wiki/Sharing%20economy | The sharing economy is a socio-economic system whereby consumers share in the creation, production, distribution, trade and consumption of goods, and services. These systems take a variety of forms, often leveraging information technology and the Internet, particularly digital platforms, to facilitate the distribution,... | Sharing economy | Technology | 8,801 |
566,520 | https://en.wikipedia.org/wiki/Catalog%20of%20Nearby%20Habitable%20Systems | The Catalog of Nearby Habitable Systems (HabCat) is a catalogue of star systems which conceivably have habitable planets. The list was developed by scientists Jill Tarter and Margaret Turnbull under the auspices of Project Phoenix, a part of SETI.
The list was based upon the Hipparcos Catalogue (which has 118,218 star... | Catalog of Nearby Habitable Systems | Astronomy | 199 |
3,874,080 | https://en.wikipedia.org/wiki/NGC%206633 | NGC 6633 is a large bright open cluster in the constellation Ophiuchus. Discovered in 1745-46 by Philippe Loys de Chéseaux, it was independently rediscovered by Caroline Herschel in 1783 and included in her brother William's catalog as H VIII.72. Bright enough to be seen with the naked eye, the cluster is considered a ... | NGC 6633 | Astronomy | 244 |
66,523,160 | https://en.wikipedia.org/wiki/Meme%20stock | A meme stock is a stock that gains popularity among retail investors through social media. The popularity of meme stocks is generally based on internet memes shared among traders, on platforms such as Reddit's r/wallstreetbets. Investors in such stocks are often young and inexperienced investors. As a result of their p... | Meme stock | Technology | 624 |
22,795,783 | https://en.wikipedia.org/wiki/CIML%20community%20portal | The computational intelligence and machine learning (CIML) community portal is an international multi-university initiative. Its primary purpose is to help facilitate a virtual scientific community infrastructure for all those involved with, or interested in, computational intelligence and machine learning. This incl... | CIML community portal | Engineering | 528 |
3,183,229 | https://en.wikipedia.org/wiki/Ion%20plating | Ion plating (IP) is a physical vapor deposition (PVD) process that is sometimes called ion assisted deposition (IAD) or ion vapor deposition (IVD) and is a modified version of vacuum deposition. Ion plating uses concurrent or periodic bombardment of the substrate, and deposits film by atomic-sized energetic particles c... | Ion plating | Chemistry,Materials_science,Mathematics | 687 |
6,180,572 | https://en.wikipedia.org/wiki/Fainting%20room | A fainting room was a private room, common in the Victorian era, which typically contained fainting couches. Such couches or sofas typically had an arm on one side only to permit easy access to a reclining position, similar to its cousin the chaise longue, although the sofa style most typically featured a back at one e... | Fainting room | Engineering | 304 |
11,292,458 | https://en.wikipedia.org/wiki/1-Propanol%20%28data%20page%29 | This page provides supplementary chemical data on 1-Propanol (n-propanol).
Material Safety Data Sheet
The handling of this chemical may incur notable safety precautions. It is highly recommended that you seek the Material Safety Datasheet (MSDS) for this chemical from a reliable source.
Structure and properties
T... | 1-Propanol (data page) | Chemistry | 104 |
57,078,309 | https://en.wikipedia.org/wiki/Ordinal%20tree | An ordinal tree, by analogy with an ordinal number, is a rooted tree of arbitrary degree in which the children of each node are ordered, so that one refers to the ith child in the sequence of children of a node.
See also
Cardinal tree
References
Data types
Trees (data structures)
Knowledge representation
Abstract da... | Ordinal tree | Mathematics | 69 |
56,965,199 | https://en.wikipedia.org/wiki/RU-2309 | RU-2309, also known as 18-methylmetribolone, δ9,11-17α,18-dimethyl-19-nortestosterone, or 17α,18-dimethylestr-4,9,11-trien-17β-ol-3-one, is a 17α-alkylated androgen/anabolic steroid (AAS) of the 19-nortestosterone group which was never marketed. It is the C18 methyl or C13β ethyl derivative of metribolone. The compound... | RU-2309 | Chemistry | 257 |
54,734,615 | https://en.wikipedia.org/wiki/Nephromyces | Nephromyces is a genus of apicomplexans that are symbionts of the ascidian genus Molgula (sea grapes).
Systematics
Nephromyces was first described in 1888 by Alfred Mathieu Giard as a chytrid fungus, because of its filamentous cells. He formally named three species, each corresponding to a different species of the ho... | Nephromyces | Biology | 692 |
21,573,926 | https://en.wikipedia.org/wiki/FIND%2C%20the%20global%20alliance%20for%20diagnostics | FIND (Foundation for Innovative New Diagnostics) is a global health non-profit based in Geneva, Switzerland. FIND functions as a product development partnership, engaging in active collaboration with over 150 partners to facilitate the development, evaluation, and implementation of diagnostic tests for poverty-related ... | FIND, the global alliance for diagnostics | Engineering,Biology | 907 |
12,519,967 | https://en.wikipedia.org/wiki/Mahamudra%20%28Hatha%20Yoga%29 | Mahamudra is a hatha yoga gesture (mudra) whose purpose is to improve control over the sexual potential. The sexual potential, associated with apana, is essential in the process of awakening of the dormant spiritual energy (Kundalini) and attaining of spiritual powers (siddhi).
Execution
Pressure is exerted with the h... | Mahamudra (Hatha Yoga) | Biology | 275 |
34,351,960 | https://en.wikipedia.org/wiki/Right%20to%20withdraw | The right to withdraw is a concept in clinical research ethics that a study participant in a clinical trial has a right to end participation in that trial at will. According to ICH GCP guidelines, a person can withdraw from the research at any point in time and the participant is not required to reveal the reason for d... | Right to withdraw | Technology | 176 |
7,216,005 | https://en.wikipedia.org/wiki/Unidirectional%20network | A unidirectional network (also referred to as a unidirectional gateway or data diode) is a network appliance or device that allows data to travel in only one direction. Data diodes can be found most commonly in high security environments, such as defense, where they serve as connections between two or more networks of ... | Unidirectional network | Engineering | 2,545 |
66,293,606 | https://en.wikipedia.org/wiki/M62812 | M62812 is a drug which acts as a potent and selective antagonist of toll-like receptor 4 (TLR4). In animal studies it blocks TLR4-mediated cytokine release and has antiinflammatory effects, showing efficacy in animal models of arthritis and septic shock.
See also
TLR4-IN-C34
Resatorvid
VGX-1027
References
Recep... | M62812 | Chemistry | 98 |
6,548,981 | https://en.wikipedia.org/wiki/Rubedo | Rubedo is a Latin word meaning "redness" that was adopted by alchemists to define the fourth and final major stage in their magnum opus. Both gold and the philosopher's stone were associated with the color red, as rubedo signaled alchemical success, and the end of the great work. Rubedo is also known by the Greek word ... | Rubedo | Chemistry | 554 |
213,639 | https://en.wikipedia.org/wiki/Arnold%20Sommerfeld | Arnold Johannes Wilhelm Sommerfeld (; 5 December 1868 – 26 April 1951) was a German theoretical physicist who pioneered developments in atomic and quantum physics, and also educated and mentored many students for the new era of theoretical physics. He served as doctoral supervisor and postdoc supervisor to seven Nobel ... | Arnold Sommerfeld | Materials_science | 5,534 |
2,868,762 | https://en.wikipedia.org/wiki/Hexagonal%20lattice | The hexagonal lattice (sometimes called triangular lattice) is one of the five two-dimensional Bravais lattice types. The symmetry category of the lattice is wallpaper group p6m. The primitive translation vectors of the hexagonal lattice form an angle of 120° and are of equal lengths,
The reciprocal lattice of the ... | Hexagonal lattice | Chemistry,Materials_science,Mathematics | 256 |
15,028,540 | https://en.wikipedia.org/wiki/BZW1 | Basic leucine zipper and W2 domain-containing protein 1 is a protein that in humans is encoded by the BZW1 gene and expressed in the nucleus. It enables RNA and cadherin binding activity.
Salivary gland carcinoma and eastern equine encephalitis are associated with BZW1.
Interactions
BZW1 has been shown to interact ... | BZW1 | Chemistry | 95 |
106,364 | https://en.wikipedia.org/wiki/Algebraic%20structure | In mathematics, an algebraic structure or algebraic system consists of a nonempty set A (called the underlying set, carrier set or domain), a collection of operations on A (typically binary operations such as addition and multiplication), and a finite set of identities (known as axioms) that these operations must satis... | Algebraic structure | Mathematics | 3,002 |
19,389,633 | https://en.wikipedia.org/wiki/Tarski%E2%80%93Seidenberg%20theorem | In mathematics, the Tarski–Seidenberg theorem states that a set in (n + 1)-dimensional space defined by polynomial equations and inequalities can be projected down onto n-dimensional space, and the resulting set is still definable in terms of polynomial identities and inequalities. The theorem—also known as the Tarski... | Tarski–Seidenberg theorem | Mathematics | 884 |
42,576,177 | https://en.wikipedia.org/wiki/BioMotiv | BioMotiv is an accelerator company associated with The Harrington Project, an initiative centered at University Hospitals of Cleveland. Therapeutic opportunities were identified through relationships with The Harrington Discovery Institute, university and research institutions, disease foundations, and industry sources... | BioMotiv | Biology | 684 |
1,277,806 | https://en.wikipedia.org/wiki/Cidofovir | Cidofovir, brand name Vistide, is a topical or injectable antiviral medication primarily used as a treatment for cytomegalovirus (CMV) retinitis (an infection of the retina of the eye) in people with AIDS.
Cidofovir was approved for medical use in 1996.
Medical use
DNA virus
Its only indication that has received reg... | Cidofovir | Chemistry | 1,028 |
140,988 | https://en.wikipedia.org/wiki/Bow%20drill | A bow drill is a simple hand-operated type of tool, consisting of a rod (the spindle or drill shaft) that is set in rapid rotary motion by means of a cord wrapped around it, kept taut by a bow which is pushed back and forth with one hand. This tool of prehistoric origin has been used both as a drill, to make holes on s... | Bow drill | Physics | 527 |
43,194,879 | https://en.wikipedia.org/wiki/Geometric%20transformation | In mathematics, a geometric transformation is any bijection of a set to itself (or to another such set) with some salient geometrical underpinning, such as preserving distances, angles, or ratios (scale). More specifically, it is a function whose domain and range are sets of points — most often both or both — such th... | Geometric transformation | Physics,Mathematics | 769 |
40,502,985 | https://en.wikipedia.org/wiki/Venom%20optimization%20hypothesis | Venom optimization hypothesis, also known as venom metering, is a biological hypothesis which postulates that venomous animals have physiological control over their production and use of venoms. It explains the economic use of venom because venom is a metabolically expensive product, and that there is a biological mech... | Venom optimization hypothesis | Biology,Environmental_science | 567 |
53,270,578 | https://en.wikipedia.org/wiki/European%20Study%20Groups%20with%20Industry | A European Study Group with Industry (ESGI) is usually a week-long meeting where applied mathematicians work on problems presented by industry and research centres. The aim of the meeting is to solve or at least make progress on the problems.
The study group concept originated in Oxford, in 1968 (initiated by Leslie F... | European Study Groups with Industry | Mathematics | 998 |
35,786,644 | https://en.wikipedia.org/wiki/Walter%20Boas%20Medal | The Walter Boas Medal is awarded by the Australian Institute of Physics for research in Physics in Australia. It is named in memory of is named in memory of Walter Boas (1904-1982) — an eminent scientist and metallurgist who worked on the physics of metals.
Recipients
Source:
1984 James A. Piper, Macquarie Universit... | Walter Boas Medal | Technology | 482 |
60,104,849 | https://en.wikipedia.org/wiki/Bloom%20filters%20in%20bioinformatics | Bloom filters are space-efficient probabilistic data structures used to test whether an element is a part of a set. Bloom filters require much less space than other data structures for representing sets, however the downside of Bloom filters is that there is a false positive rate when querying the data structure. Since... | Bloom filters in bioinformatics | Engineering,Biology | 1,312 |
42,657,576 | https://en.wikipedia.org/wiki/Christianity%20and%20science | Most scientific and technical innovations prior to the Scientific Revolution were achieved by societies organized by religious traditions. Ancient Christian scholars pioneered individual elements of the scientific method. Historically, Christianity has been and still is a patron of sciences. It has been prolific in the... | Christianity and science | Technology | 10,016 |
29,182,681 | https://en.wikipedia.org/wiki/Isoplanatic%20patch | The isoplanatic patch is defined as an arbitrary area of the sky over which the path length of incoming electromagnetic waves (such as light or radio waves) only varies by a relatively small amount relative to their wavelength. Typically this area is measured by angular size. Poor seeing or a larger telescope aperture ... | Isoplanatic patch | Astronomy | 164 |
67,143,185 | https://en.wikipedia.org/wiki/Carbon%20Design%20System | Carbon Design System is a free and open-source design system and library created by IBM, which implements the IBM Design Language, and licensed under Apache License 2.0. Its public development initially started on June 10, 2015. Their components have multiple implementations, which includes a vanilla JS and CSS impleme... | Carbon Design System | Engineering | 170 |
76,395,135 | https://en.wikipedia.org/wiki/Social%20justice%20index | A social justice index is a set of numbers which have been calculated through weighing several indicators of various entities, usually countries, but also regions or commercial firms. These indicators are considered related to social justice.
The European Union Social Justice Index, published in September 2015 by Bert... | Social justice index | Mathematics,Biology | 291 |
41,049,134 | https://en.wikipedia.org/wiki/Fervidobacterium%20gondwanense | Fervidobacterium gondwanense (F. godwanense) is a species of thermophilic anaerobic bacteria. It is non-sporulating, motile, gram-negative, and rod-shaped. F. godwanense was isolated in Great Artesian basin in Australia from non-volcanicly heated geothermal waters.
Fervidobacterium godwanense grows best at temperature... | Fervidobacterium gondwanense | Biology | 296 |
1,197,980 | https://en.wikipedia.org/wiki/Downregulation%20and%20upregulation | In biochemistry, in the biological context of organisms' regulation of gene expression and production of gene products, downregulation is the process by which a cell decreases the production and quantities of its cellular components, such as RNA and proteins, in response to an external stimulus. The complementary proce... | Downregulation and upregulation | Chemistry,Biology | 1,555 |
68,202,003 | https://en.wikipedia.org/wiki/Joel%20Lexchin | Joel Lexchin is a professor emeritus at the York University Faculty of Health where he taught about pharmaceutical policy, an Associate Professor in the Department of Family and Community Medicine at the University of Toronto, an emergency physician at the Toronto General Hospital and a Fellow in the Canadian Academy o... | Joel Lexchin | Chemistry | 308 |
46,445,382 | https://en.wikipedia.org/wiki/Kelp%20noodles | Kelp noodles or cheon sa chae (), are semi-transparent noodles made from the jelly-like extract left after steaming edible kelp. They are made without the addition of grain flour or starch. Kelp noodles have a crunchy texture and are low in calories. They can be eaten raw, in salads, but for added taste, some prefer to... | Kelp noodles | Biology | 282 |
38,782,331 | https://en.wikipedia.org/wiki/Centre%20for%20Human%20Ecology | The Centre for Human Ecology is an independent academic institute based in Glasgow, Scotland. It was founded in 1972 by Conrad Hal Waddington at the University of Edinburgh.
References
External links
Centre for Human Ecology
Human ecology
Education in Scotland
1972 establishments in Scotland
University of Edinburgh
... | Centre for Human Ecology | Environmental_science | 58 |
9,885,419 | https://en.wikipedia.org/wiki/Tip-speed%20ratio | The tip-speed ratio, λ, or TSR for wind turbines is the ratio between the tangential speed of the tip of a blade and the actual speed of the wind, v. The tip-speed ratio is related to efficiency, with the optimum varying with blade design. Higher tip speeds result in higher noise levels and require stronger blades due ... | Tip-speed ratio | Mathematics,Engineering | 630 |
11,097,780 | https://en.wikipedia.org/wiki/Saturn%20V-B | Studied in 1968 by Marshall Space Flight Center, the Saturn V-B was considered an interesting vehicle concept because it nearly represents a single-stage to orbit booster, but is actually a stage and a half booster just like the Atlas. The booster would achieve liftoff via five regular F-1 engines; four of the five eng... | Saturn V-B | Astronomy | 324 |
481,056 | https://en.wikipedia.org/wiki/Slater%20determinant | In quantum mechanics, a Slater determinant is an expression that describes the wave function of a multi-fermionic system. It satisfies anti-symmetry requirements, and consequently the Pauli principle, by changing sign upon exchange of two electrons (or other fermions). Only a small subset of all possible fermionic wav... | Slater determinant | Physics,Chemistry | 1,654 |
11,257,930 | https://en.wikipedia.org/wiki/Mapping%20the%20Atari | Mapping the Atari, written by Ian Chadwick and published by COMPUTE! Publications in 1983, is an address-by-address explanation of the memory layout of the Atari 8-bit computers. The introduction is by Optimized Systems Software co-founder Bill Wilkinson.
The book covers the 64K address space of the system's 6502 pro... | Mapping the Atari | Technology | 228 |
49,748,557 | https://en.wikipedia.org/wiki/Keio%20Alpha | Keio Alpha is a student design team formed by a group of postgraduate students from Graduate School of System Design and Management, Keio University, Japan. In July 2015, the team accepted an invitation from Elon Musk to submit design entries for an open-source pod that would advance Hyperloop technology development, i... | Keio Alpha | Technology,Engineering | 312 |
14,428,782 | https://en.wikipedia.org/wiki/Frizzled-1 | Frizzled-1 (Fz-1) is a protein that in humans is encoded by the FZD1 gene.
Function
Members of the 'frizzled' gene family encode 7-transmembrane domain proteins that are receptors for Wnt signaling proteins. The FZD1 protein contains a signal peptide, a cysteine-rich domain in the N-terminal extracellular region, 7... | Frizzled-1 | Chemistry | 126 |
463,835 | https://en.wikipedia.org/wiki/Life%20on%20Mars | The possibility of life on Mars is a subject of interest in astrobiology due to the planet's proximity and similarities to Earth. To date, no conclusive evidence of past or present life has been found on Mars. Cumulative evidence suggests that during the ancient Noachian time period, the surface environment of Mars had... | Life on Mars | Astronomy,Biology | 12,006 |
2,903,271 | https://en.wikipedia.org/wiki/42%20Aurigae | 42 Aurigae is a star in the northern constellation of Auriga. The designation is from the star catalogue of English astronomer John Flamsteed, first published in 1712. It has an apparent visual magnitude of 6.53, which places it just below the visibility limit for normal eyesight under good seeing conditions. It displa... | 42 Aurigae | Astronomy | 320 |
20,962,049 | https://en.wikipedia.org/wiki/McGehee%20transformation | The McGehee transformation was introduced by Richard McGehee to study the triple collision singularity in the n-body problem.
The transformation blows up the single point in phase space where the collision occurs into a collision manifold, the phase space point is cut out and in its place a smooth manifold is pasted. ... | McGehee transformation | Physics | 139 |
60,848,020 | https://en.wikipedia.org/wiki/Tutte%E2%80%93Grothendieck%20invariant | In mathematics, a Tutte–Grothendieck (TG) invariant is a type of graph invariant that satisfies a generalized deletion–contraction formula. Any evaluation of the Tutte polynomial would be an example of a TG invariant.
Definition
A graph function f is TG-invariant if:
Above G / e denotes edge contraction whereas G \ ... | Tutte–Grothendieck invariant | Mathematics | 200 |
75,735,877 | https://en.wikipedia.org/wiki/Zosurabalpin | Zosurabalpin (RG6006, Abx-MCP, Ro7223280) is an experimental antibiotic developed in a collaboration between the pharmaceutical company Roche and scientists from Harvard University, for the treatment of carbapenem-resistant Acinetobacter baumannii (CRAB). It targets a lipopolysaccharide transporter. It works by recogni... | Zosurabalpin | Chemistry,Biology | 182 |
903,117 | https://en.wikipedia.org/wiki/Karyorrhexis | Karyorrhexis (from Greek κάρυον karyon 'kernel, seed, nucleus' and ῥῆξις rhexis 'bursting') is the destructive fragmentation of the nucleus of a dying cell whereby its chromatin is distributed irregularly throughout the cytoplasm. It is usually preceded by pyknosis and can occur as a result of either programmed cell de... | Karyorrhexis | Chemistry,Biology | 1,564 |
20,781 | https://en.wikipedia.org/wiki/Monoid%20ring | In abstract algebra, a monoid ring is a ring constructed from a ring and a monoid, just as a group ring is constructed from a ring and a group.
Definition
Let R be a ring and let G be a monoid. The monoid ring or monoid algebra of G over R, denoted R[G] or RG, is the set of formal sums ,
where for each and rg = 0 f... | Monoid ring | Mathematics | 637 |
27,347,581 | https://en.wikipedia.org/wiki/Symposium%20on%20Trends%20in%20Functional%20Programming | The Symposium on Trends in Functional Programming (TFP) is focused on research in the field of functional programming and investigating relationships with other branches of computer science.
See also
ICFP: International Conference on Functional Programming
External links
Home page of TFP
Computer science conferen... | Symposium on Trends in Functional Programming | Technology | 56 |
6,992,164 | https://en.wikipedia.org/wiki/Ordered%20Bell%20number | In number theory and enumerative combinatorics, the ordered Bell numbers or Fubini numbers count the weak orderings on a set of elements. Weak orderings arrange their elements into a sequence allowing ties, such as might arise as the outcome of a horse race.
The ordered Bell numbers were studied in the 19th century b... | Ordered Bell number | Mathematics | 3,830 |
35,152,193 | https://en.wikipedia.org/wiki/Pulsar%20clock | A pulsar clock is a clock which depends on counting radio pulses emitted by pulsars.
Pulsar clock in Gdańsk
The first pulsar clock in the world was installed in St Catherine's Church, Gdańsk, Poland, in 2011. It was the first clock to count the time using a signal source outside the Solar System, and represents the se... | Pulsar clock | Astronomy | 204 |
13,030,993 | https://en.wikipedia.org/wiki/Warm%20air%20intake | A warm air intake (WAI) also known as a hot air intake (HAI), is a system to decrease the amount of the air going into a car for the purpose of increasing the fuel economy of the internal-combustion engine.
This term is sometimes used erroneously to refer to a short ram air intake, which is another engine modificatio... | Warm air intake | Technology | 293 |
58,622,713 | https://en.wikipedia.org/wiki/Aspergillus%20angustatus | Aspergillus angustatus is a species of fungus in the genus Aspergillus. It is from the Nidulantes section. The species was first described in 2016. It has been isolated from mangifera indica root in Mali.
Growth and morphology
A. angustatus has been cultivated on both Czapek yeast extract agar (CYA) plates and Malt E... | Aspergillus angustatus | Biology | 120 |
63,690,330 | https://en.wikipedia.org/wiki/32K%20resolution | 32K resolution refers to a display resolution of approximately 32,000 pixels horizontally. A resolution of 30720 × 17280 for an aspect ratio of 16:9 is speculated to be standardized. This doubles the pixel count of 16K in each dimension, for a total of 530.8 megapixels (530,841,600 pixels), 4 times as many pixels as th... | 32K resolution | Engineering | 633 |
59,046,614 | https://en.wikipedia.org/wiki/Forder%20Lectureship | The Forder Lectureship is awarded by the London Mathematical Society to a research mathematician from the United Kingdom who has made an eminent contribution to the field of mathematics and who can also speak effectively at a more popular level. The lectureship is named for Professor H.G. Forder, formerly of the Univer... | Forder Lectureship | Technology | 280 |
7,754,858 | https://en.wikipedia.org/wiki/ENRICH | ENRICH is a 125-item questionnaire for married couples that examines communication, conflict resolution, role relationship, financial management, expectations, sexual relationship, personality compatibility, marital satisfaction, and other personal beliefs related to marriage. It was developed by University of Minnesot... | ENRICH | Biology | 260 |
58,506,058 | https://en.wikipedia.org/wiki/Tribasic | Tribasic may refer to:
A tribasic, or triprotic acid, containing three potential protons to donate
A tribasic salt, with three hydrogen atoms, with respect to the parent acid, replaced by cations
See also
Monobasic (disambiguation)
Dibasic (disambiguation)
Polybasic (disambiguation)
Chemical nomenclature | Tribasic | Chemistry | 83 |
5,808,493 | https://en.wikipedia.org/wiki/List%20of%20essential%20oils | Essential oils are volatile and liquid aroma compounds from natural sources, usually plants. They are not oils in a strict sense, but often share with oils a poor solubility in water. Essential oils often have an odor and are therefore used in food flavoring and perfumery. They are usually prepared by fragrance extract... | List of essential oils | Chemistry | 2,208 |
21,572,370 | https://en.wikipedia.org/wiki/Kenneth%20H.%20Hunt | Kenneth Henderson Hunt (1920–2002) was Foundation Professor of Engineering at Monash University in Melbourne, Australia and an expert in kinematics.
Hunt was born in Seaford, East Sussex, in the United Kingdom, on 7 June 1920. He studied engineering at Balliol College, Oxford University and, during World War II, serve... | Kenneth H. Hunt | Physics,Technology | 235 |
62,529,175 | https://en.wikipedia.org/wiki/Epichlo%C3%AB%20stromatolonga | Epichloë stromatolonga is a haploid species in the fungal genus Epichloë.
A systemic and seed-transmissible grass symbiont first described in 2009, Epichloë stromatolonga is a sister lineage to Epichloë amarillans, Epichloë baconii, Epichloë festucae and Epichloë mollis.
Epichloë stromatolonga is found in Asia, whe... | Epichloë stromatolonga | Biology | 143 |
19,751,940 | https://en.wikipedia.org/wiki/Diastereomeric%20recrystallization | Diastereomeric recrystallisation is a method of chiral resolution of enantiomers from a racemic mixture. It differs from asymmetric synthesis, which aims to produce a single enantiomer from the beginning, in that diastereomeric recrystallisation separates two enantiomers that have already mixed into a single solution.... | Diastereomeric recrystallization | Physics,Chemistry | 471 |
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