id int64 580 79M | url stringlengths 31 175 | text stringlengths 9 245k | source stringlengths 1 109 | categories stringclasses 160
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54,405,493 | https://en.wikipedia.org/wiki/Digital%20phenotyping | Digital phenotyping is a multidisciplinary field of science, first defined in a May 2016 paper in JMIR Mental Health authored by John Torous, Mathew V Kiang, Jeanette Lorme, and Jukka-Pekka Onnela as the "moment-by-moment quantification of the individual-level human phenotype in situ using data from personal digital de... | Digital phenotyping | Engineering,Biology | 896 |
36,120,924 | https://en.wikipedia.org/wiki/Criticism%20of%20Myspace | The social networking service Myspace was among the most popular web sites in the 2000s decade. It has faced criticism on a variety of fronts, including for a massive redesign of the site in 2012 which occurred after the majority of original users had abandoned the website, misuse of the platform for cyber-bullying and... | Criticism of Myspace | Technology | 4,201 |
20,603,786 | https://en.wikipedia.org/wiki/FU%20Orionis | FU Orionis is a variable and binary star system in the constellation of Orion, that in 1937 rose in apparent visual magnitude from 16.5 to 9.6, and has since been around magnitude 9. The name FU Orionis is a variable star designation in the Argelander system, which are assigned sequentially as new variables are discove... | FU Orionis | Astronomy | 567 |
5,054,730 | https://en.wikipedia.org/wiki/Biomolecular%20structure | Biomolecular structure is the intricate folded, three-dimensional shape that is formed by a molecule of protein, DNA, or RNA, and that is important to its function. The structure of these molecules may be considered at any of several length scales ranging from the level of individual atoms to the relationships among e... | Biomolecular structure | Chemistry,Biology | 2,376 |
30,387,975 | https://en.wikipedia.org/wiki/Islander%20%28database%29 | Islander is a database of integrative islands in prokaryotic genomes.
See also
Mobile genetic elements
References
External links
http://www.indiana.edu/~islander #BrokenLink
Mobile genetic elements
Biological databases | Islander (database) | Biology | 48 |
2,676,822 | https://en.wikipedia.org/wiki/Permanganic%20acid | Permanganic acid (or manganic(VII) acid) is the inorganic compound with the formula HMnO4 and various hydrates. This strong oxoacid has been isolated as its dihydrate. It is the conjugate acid of permanganate salts. It is the subject of few publications and its characterization as well as its uses are very limited.
... | Permanganic acid | Chemistry | 430 |
4,705,345 | https://en.wikipedia.org/wiki/Pleiotrophin | Pleiotrophin (PTN) also known as heparin-binding brain mitogen (HBBM) or heparin-binding growth factor 8 (HBGF-8) or neurite growth-promoting factor 1 (NEGF1) or heparin affinity regulatory peptide (HARP) or heparin binding growth associated molecule (HB-GAM) is a protein that in humans is encoded by the PTN gene. Plei... | Pleiotrophin | Chemistry | 440 |
19,403,762 | https://en.wikipedia.org/wiki/Ronald%20M.%20Foster | Ronald Martin Foster (3 October 1896 – 2 February 1998), was an American mathematician at Bell Labs whose work was of significance regarding electronic filters for use on telephone lines. He published an important paper, A Reactance Theorem, (see Foster's reactance theorem) which quickly inspired Wilhelm Cauer to begi... | Ronald M. Foster | Mathematics | 304 |
2,628,682 | https://en.wikipedia.org/wiki/Tornado%20outbreak | A tornado outbreak is the occurrence of multiple tornadoes spawned by the same synoptic scale weather system. The number of tornadoes required to qualify as an outbreak typically are at least six to ten, with at least two rotational locations (if squall line) or at least two supercells producing multiple tornadoes.
Th... | Tornado outbreak | Physics | 627 |
20,860,905 | https://en.wikipedia.org/wiki/Plane%20strain%20compression%20test | The plane strain compression test is a specialized test used on some materials ranging from metals to soils.
Metals
One variation of the test is also known as the Watts-Ford test. It is an engineering test, and is a particularly specialized way of determining some of the material characteristics of the metal being te... | Plane strain compression test | Physics,Materials_science,Engineering | 541 |
31,271,471 | https://en.wikipedia.org/wiki/5-OH-DPAT | 5-OH-DPAT is a synthetic compound that acts as a dopamine receptor agonist with selectivity for the D2 receptor and D3 receptor subtypes. Only the (S)-enantiomer is active as an agonist, with the (R)-enantiomer being a weak antagonist at D2 receptors. Radiolabelled 11C-5-OH-DPAT is used as an agonist radioligand for ma... | 5-OH-DPAT | Chemistry | 163 |
69,831,323 | https://en.wikipedia.org/wiki/Dutch%20Schaefer | Major Alan "Dutch" Schaefer, commonly known simply as Dutch, is a fictional character in the Predator and Alien vs. Predator franchises, played by Arnold Schwarzenegger in the film Predator (1987) and the video game Predator: Hunting Grounds (2020), and voiced by James Patrick Cronin in the audiobook for Predator: Stal... | Dutch Schaefer | Biology | 3,456 |
75,768,013 | https://en.wikipedia.org/wiki/Cost-sensitive%20machine%20learning | Cost-sensitive machine learning is an approach within machine learning that considers varying costs associated with different types of errors. This method diverges from traditional approaches by introducing a cost matrix, explicitly specifying the penalties or benefits for each type of prediction error. The inherent di... | Cost-sensitive machine learning | Engineering | 540 |
34,519,332 | https://en.wikipedia.org/wiki/Service%20virtualization | In software engineering, service virtualization or service virtualisation is a method to emulate the behavior of specific components in heterogeneous component-based applications such as API-driven applications, cloud-based applications and service-oriented architectures.
It is used to provide software development and ... | Service virtualization | Engineering | 1,229 |
1,192,012 | https://en.wikipedia.org/wiki/Green%27s%20relations | In mathematics, Green's relations are five equivalence relations that characterise the elements of a semigroup in terms of the principal ideals they generate. The relations are named for James Alexander Green, who introduced them in a paper of 1951. John Mackintosh Howie, a prominent semigroup theorist, described this ... | Green's relations | Mathematics | 2,677 |
58,693,851 | https://en.wikipedia.org/wiki/Aspergillus%20puniceus | Aspergillus puniceus is a species of fungus in the genus Aspergillus. It is from the Usti section. The species was first described in 1965.
Growth and morphology
A. puniceus has been cultivated on both Czapek yeast extract agar (CYA) plates and Malt Extract Agar Oxoid® (MEAOX) plates. The growth morphology of the col... | Aspergillus puniceus | Biology | 104 |
13,246,733 | https://en.wikipedia.org/wiki/Institute%20for%20Materials%20Research | , abbreviated IMR or , is a research institute for materials science in the Tohoku University, Japan. It consistently ranks as one of the top in ISI citations on materials research. In 2001, it ranked first in the field of materials science by ISI, Philadelphia .
Outline
The institute is the oldest of the five researc... | Institute for Materials Research | Materials_science | 608 |
37,983 | https://en.wikipedia.org/wiki/Typex | In the history of cryptography, Typex (alternatively, Type X or TypeX) machines were British cipher machines used from 1937. It was an adaptation of the commercial German Enigma with a number of enhancements that greatly increased its security. The cipher machine (and its many revisions) was used until the mid-1950s wh... | Typex | Physics,Technology | 2,424 |
4,872,079 | https://en.wikipedia.org/wiki/Mesoridazine | Mesoridazine (Serentil) is a phenothiazine class drug that is used in the treatment of schizophrenia. It is one of the active metabolites of thioridazine. The drug's name is derived from the methylsulfoxy and piperidine functional groups in its chemical structure.
It has central antiadrenergic, antidopaminergic, antis... | Mesoridazine | Chemistry | 397 |
12,172,142 | https://en.wikipedia.org/wiki/African%20grass%20rat | The African grass rat (Arvicanthis niloticus) is a species of rodent in the family Murinae.
Taxonomy
The species is divided into the following six subspecies.
A. n. niloticus: Nile, Egypt;
A. n. dembeensis (Rüppell, 1842): Sudan, Ethiopia, Eritrea; Tanzania, Kenya, Burundi, Uganda, Democratic Republic of Congo;
A. n.... | African grass rat | Biology | 730 |
26,613,492 | https://en.wikipedia.org/wiki/Egain%20forecasting | Egain forecasting is a method of controlling building heating by calculating demand for heating energy that should be supplied to the building in each time unit. By combining physics of structures with meteorology, properties of the building, weather conditions including outdoor temperature, wind speed and direction, a... | Egain forecasting | Physics,Chemistry | 523 |
12,255,960 | https://en.wikipedia.org/wiki/Differential%20coefficient | In physics and mathematics, the differential coefficient of a function f(x) is what is now called its derivative df(x)/dx, the (not necessarily constant) multiplicative factor or coefficient of the differential dx in the differential df(x).
A coefficient is usually a constant quantity, but the differential coefficient... | Differential coefficient | Mathematics | 208 |
15,382,920 | https://en.wikipedia.org/wiki/Tripotassium%20phosphate | Tripotassium phosphate, also called tribasic potassium phosphate is a water-soluble salt with the chemical formula K3PO4.(H2O)x (x = 0, 3, 7, 9). Tripotassium phosphate is basic: a 1% aqueous solution has a pH of 11.8.
Production
Tripotassium phosphate is produced by the neutralization of phosphoric acid with potassi... | Tripotassium phosphate | Chemistry | 428 |
38,282,497 | https://en.wikipedia.org/wiki/Gutmann%E2%80%93Beckett%20method | In chemistry, the Gutmann–Beckett method is an experimental procedure used by chemists to assess the Lewis acidity of molecular species. Triethylphosphine oxide (, TEPO) is used as a probe molecule and systems are evaluated by 31P-NMR spectroscopy. In 1975, used 31P-NMR spectroscopy to parameterize Lewis acidity of s... | Gutmann–Beckett method | Chemistry | 612 |
622,034 | https://en.wikipedia.org/wiki/Connecting%20rod | A connecting rod, also called a 'con rod', is the part of a piston engine which connects the piston to the crankshaft. Together with the crank, the connecting rod converts the reciprocating motion of the piston into the rotation of the crankshaft. The connecting rod is required to transmit the compressive and tensile f... | Connecting rod | Technology | 1,860 |
67,545,702 | https://en.wikipedia.org/wiki/Exometeorology | Exometeorology is the study of atmospheric conditions of exoplanets and other non-stellar celestial bodies outside the Solar System, such as brown dwarfs. The diversity of possible sizes, compositions, and temperatures for exoplanets (and brown dwarfs) leads to a similar diversity of theorized atmospheric conditions. H... | Exometeorology | Astronomy | 1,813 |
862,361 | https://en.wikipedia.org/wiki/H%C3%BCckel%27s%20rule | In organic chemistry, Hückel's rule predicts that a planar ring molecule will have aromatic properties if it has 4n + 2 π-electrons, where n is a non-negative integer. The quantum mechanical basis for its formulation was first worked out by physical chemist Erich Hückel in 1931. The succinct expression as the 4n + 2 r... | Hückel's rule | Chemistry | 1,692 |
3,116,655 | https://en.wikipedia.org/wiki/Epsilon%20Corvi | Epsilon Corvi (ε Crv, ε Corvi) is a star in the southern constellation of Corvus. It has the traditional name Minkar , from Arabic منقار minqar meaning "beak [of the crow]" The apparent visual magnitude is +3.0 and it is located at a distance of from Earth.
In Chinese, (), meaning Chariot (asterism), refers to an as... | Epsilon Corvi | Astronomy | 307 |
20,776,375 | https://en.wikipedia.org/wiki/NGC%2035 | NGC 35 is a spiral galaxy in the constellation Cetus. It was discovered on November 21, 1886 by the astronomer Lewis A. Swift.
References
External links
Galaxies discovered in 1886
0035
000784
-02-01-033
Unbarred spiral galaxies
NGC 0035
18861121 | NGC 35 | Astronomy | 61 |
66,705,925 | https://en.wikipedia.org/wiki/Mary%20Ann%20Mansigh | Mary Ann Ruth Mansigh Karlsen (1932 – August 24, 2024) was an American computer programmer who was active in the 1950s in the use of scientific computers.
Biography
Mansigh attended the University of Minnesota on a scholarship from 1950 to 1954, where she studied physics, chemistry and mathematics. In 1955, she took a... | Mary Ann Mansigh | Technology | 505 |
18,732,880 | https://en.wikipedia.org/wiki/Storey | A storey (Commonwealth English) or story (American English; see spelling differences), is any level part of a building with a floor that could be used by people (for living, work, storage, recreation, etc.). Plurals for the word are storeys (UK, CAN) and stories (US).
The terms floor, level, or deck are used in simila... | Storey | Engineering | 5,952 |
381,798 | https://en.wikipedia.org/wiki/Singleton%20%28mathematics%29 | In mathematics, a singleton (also known as a unit set or one-point set) is a set with exactly one element. For example, the set is a singleton whose single element is .
Properties
Within the framework of Zermelo–Fraenkel set theory, the axiom of regularity guarantees that no set is an element of itself. This implies ... | Singleton (mathematics) | Mathematics | 726 |
17,070,368 | https://en.wikipedia.org/wiki/Atomichron | The Atomichron was the world's first commercial atomic clock, built by the National Company, Inc. of Malden, Massachusetts. It was also the first self-contained portable atomic clock and was a caesium standard clock. More than 50 clocks with the trademarked Atomichron name were produced.
See also
Chip-scale atomic cl... | Atomichron | Physics | 111 |
4,311,708 | https://en.wikipedia.org/wiki/NGC%207318 | NGC 7318 (also known as UGC 12099/UGC 12100 or HCG 92d/b) is a pair of colliding galaxies about 280 million light-years from Earth. They appear in the Constellation Pegasus and are members of Stephan's Quintet. They were discovered on 27 September 1873 by French astronomer Édouard Stephan.
The Spitzer Space Telescope ... | NGC 7318 | Astronomy | 288 |
47,643,800 | https://en.wikipedia.org/wiki/Corallomycetella%20elegans | Corallomycetella elegans is one of the two recognized species in the fungus genus Corallomycetella. It is a parasite of rubber, cacao and tea trees.
See also
List of cacao diseases
List of tea diseases
References
External links
mycobank.org
Nectriaceae
Fungi described in 2013
Cacao diseases
Tea diseases
Fungal... | Corallomycetella elegans | Biology | 79 |
2,582,187 | https://en.wikipedia.org/wiki/George%20Coyne | George Vincent Coyne, S.J. (January 19, 1933 – February 11, 2020) was an American Jesuit priest and astronomer who directed the Vatican Observatory and headed its research group at the University of Arizona from 1978 to 2020.
From January 2012 until his death, he taught at Le Moyne College in Syracuse, New York. His c... | George Coyne | Biology | 1,939 |
3,741,389 | https://en.wikipedia.org/wiki/Hylotheism | Hylotheism (from Gk. hyle, 'matter' and theos, 'God') is the belief that matter and God are the same, so in other words, defining God as matter.
The American Lutheran Church–Missouri Synod defines hylotheism is "Theory equating matter with God or merging one into the other" which it states as "Synonym for pantheism* a... | Hylotheism | Physics | 112 |
58,887,785 | https://en.wikipedia.org/wiki/Toehold%20mediated%20strand%20displacement | Toehold mediated strand displacement (TMSD) is an enzyme-free molecular tool to exchange one strand of DNA or RNA (output) with another strand (input). It is based on the hybridization of two complementary strands of DNA or RNA via Watson-Crick base pairing (A-T/U and C-G) and makes use of a process called branch migra... | Toehold mediated strand displacement | Chemistry,Engineering,Biology | 701 |
7,378,996 | https://en.wikipedia.org/wiki/Phlebopus%20marginatus | Phlebopus marginatus, commonly known as the salmon gum mushroom in Western Australia, is a member of the Boletales or pored fungi. An imposing sight in forests of south-eastern and south-western Australia, it is possibly Australia's largest terrestrial mushroom, with the weight of one specimen from Victoria recorded at... | Phlebopus marginatus | Biology | 1,231 |
33,513,998 | https://en.wikipedia.org/wiki/TalkBox%20Voice%20Messenger | Talkbox Messenger (formerly named TalkBox and Talkbox Voice Messenger) is a smartphone application that enables users of iPhone, Android, Windows Phone and BlackBerry to easily communicate via push-to-talk instant voice messages as well as sharing geo-location, pictures and group chat with one another. Users’ voice is ... | TalkBox Voice Messenger | Technology | 197 |
46,814,283 | https://en.wikipedia.org/wiki/List%20of%20abstractions%20%28computer%20science%29 | Abstractions are fundamental building blocks of computer science, enabling complex systems and ideas to be simplified into more manageable and relatable concepts.
General Programming Abstractions
General programming abstractions are foundational concepts that underlie virtually all of the programming tasks that softw... | List of abstractions (computer science) | Technology | 679 |
508,664 | https://en.wikipedia.org/wiki/Exergonic%20reaction | In chemical thermodynamics, an exergonic reaction is a chemical reaction where the change in the free energy is negative (there is a net release of free energy). This indicates a spontaneous reaction if the system is closed and initial and final temperatures are the same. For processes that take place in a closed syste... | Exergonic reaction | Physics,Chemistry | 324 |
30,443,289 | https://en.wikipedia.org/wiki/ITU%20Telecom%20World | ITU Telecom is part of the ITU (International Telecommunication Union), the United Nations specialized agency for information and communication technologies – ICTs. ITU Telecom organizes the global ITU Telecom World event, the platform for innovation showcasing, high-level debate, knowledge sharing and networking for ... | ITU Telecom World | Engineering | 909 |
3,568,695 | https://en.wikipedia.org/wiki/Torsion%20group | In group theory, a branch of mathematics, a torsion group or a periodic group is a group in which every element has finite order. The exponent of such a group, if it exists, is the least common multiple of the orders of the elements.
For example, it follows from Lagrange's theorem that every finite group is periodic ... | Torsion group | Mathematics | 623 |
12,179,236 | https://en.wikipedia.org/wiki/Periplanone%20B | Periplanone B is a pheromone produced by the female American cockroach, Periplaneta americana. It is a sexual attractant to male cockroaches, especially at short ranges.
History
The activity of this pheromone was first described in 1952, but it was not until 25 years later that Persoons et al. reported the gross str... | Periplanone B | Chemistry | 144 |
22,819,753 | https://en.wikipedia.org/wiki/Acaulospora%20lacunosa | Acaulospora lacunosa is a species of fungus in the family Acaulosporaceae. It forms arbuscular mycorrhiza and vesicles in roots. Originally found in West Virginia in soil associated with Andropogon virginicus, the fungus was described as new to science in 1986. The specific epithet refers to the outermost wall of the s... | Acaulospora lacunosa | Biology | 117 |
847,810 | https://en.wikipedia.org/wiki/Dynamic%20dispatch | In computer science, dynamic dispatch is the process of selecting which implementation of a polymorphic operation (method or function) to call at run time. It is commonly employed in, and considered a prime characteristic of, object-oriented programming (OOP) languages and systems.
Object-oriented systems model a prob... | Dynamic dispatch | Mathematics | 2,106 |
34,645,248 | https://en.wikipedia.org/wiki/Rosati%20involution | In mathematics, a Rosati involution, named after Carlo Rosati, is an involution of the rational endomorphism ring of an abelian variety induced by a polarisation.
Let be an abelian variety, let be the dual abelian variety, and for , let be the translation-by- map, . Then each divisor on defines a map via . The... | Rosati involution | Mathematics | 195 |
2,617,956 | https://en.wikipedia.org/wiki/Spectrum%20continuation%20analysis | Spectrum continuation analysis (SCA) is a generalization of the concept of Fourier series to non-periodic functions of which only a fragment has been sampled in the time domain.
Recall that a Fourier series is only suitable to the analysis of periodic (or finite-domain) functions f(x) with period 2π. It can be express... | Spectrum continuation analysis | Mathematics | 559 |
31,598,855 | https://en.wikipedia.org/wiki/Fauna%20of%20Turkey | The fauna of Turkey is abundant and very varied. The wildlife of Turkey includes a great diversity of plants and animals, each suited to its own particular habitat, as it is a large country with many geographic and climatic regions About 1500 species of vertebrates have been recorded in the country and around 19,000 s... | Fauna of Turkey | Biology | 672 |
27,354,368 | https://en.wikipedia.org/wiki/Ellison%E2%80%93Cliffe%20Lecture | The Ellison–Cliffe Lecture is held annually by the Royal Society of Medicine. The lecture series, which commenced in 1987 is named after Percy Cliffe and his wife, Carice Ellison, who endowed the lecture to be given on a subject connected with the contribution of fundamental science to the advancement of medicine.
The... | Ellison–Cliffe Lecture | Technology | 409 |
4,256,110 | https://en.wikipedia.org/wiki/Metre%20per%20hour | Metre per hour (American spelling: meter per hour) is a metric unit of both speed (scalar) and velocity (Vector (geometry)). Its symbol is m/h or m·h−1 (not to be confused with the imperial unit symbol mph). By definition, an object travelling at a speed of 1 m/h for an hour would move 1 metre.
The term is rarely used... | Metre per hour | Mathematics | 289 |
24,220,458 | https://en.wikipedia.org/wiki/Super%20Tonks%E2%80%93Girardeau%20gas | In physics, the super Tonks–Girardeau gas represents an excited quantum gas phase with strong attractive interactions in a one-dimensional spatial geometry.
Usually, strongly attractive quantum gases are expected to form dense particle clusters and lose all gas-like properties. But in 2005, it was proposed by Stefano ... | Super Tonks–Girardeau gas | Physics,Chemistry,Materials_science,Engineering | 378 |
26,663,863 | https://en.wikipedia.org/wiki/Jacob%20Lurie | Jacob Alexander Lurie (born December 7, 1977) is an American mathematician who is a professor at the Institute for Advanced Study. In 2014, Lurie received a MacArthur Fellowship. Lurie's research interests are algebraic geometry, topology, and homotopy theory.
Life
When he was a student in the Science, Mathematics, a... | Jacob Lurie | Mathematics | 644 |
23,048,210 | https://en.wikipedia.org/wiki/Nicking%20enzyme | A nicking enzyme (or nicking endonuclease) is an enzyme that cuts only one strand of a double-stranded DNA or RNA molecule at a specific recognition nucleotide sequence known as the restriction site. Such enzymes hydrolyze (cut) only one strand of the DNA duplex, to produce DNA molecules that are “nicked”, rather than ... | Nicking enzyme | Chemistry,Biology | 203 |
2,761,656 | https://en.wikipedia.org/wiki/Walrasian%20auction | A Walrasian auction, introduced by Léon Walras, is a type of simultaneous auction where each agent calculates its demand for the good at every possible price and submits this to an auctioneer. The price is then set so that the total demand across all agents equals the total amount of the good. Thus, a Walrasian auction... | Walrasian auction | Mathematics | 507 |
47,951,565 | https://en.wikipedia.org/wiki/KN-02%20Toksa | The KN-02 Toksa (), Hwasong-11 is a North Korean reverse-engineered locally produced modification of the OTR-21 Tochka short-range ballistic missile.
Design and development
In 1983, Syria acquired a number of 9K79 Tochka (SS-21 Scarab-A) missiles from the Soviet Union, a single-stage, solid-propellant guided missile w... | KN-02 Toksa | Chemistry | 767 |
2,446,166 | https://en.wikipedia.org/wiki/Stewart%20Myers | Stewart Clay Myers is the Robert C. Merton Professor of Financial Economics at the MIT Sloan School of Management.
He is notable for his work on capital structure and innovations in capital budgeting and valuation, and has had a "remarkable influence" on both the theory and practice of corporate finance. Myers, in fact... | Stewart Myers | Engineering | 467 |
38,635,705 | https://en.wikipedia.org/wiki/Dijet%20event | In particle physics, a dijet event is a collision between subatomic particles that produces two particle jets.
Dijet events are measured at the LHC to constrain QCD models, in particular the parton evolution equations and parton distribution functions. This is accomplished by measuring the azimuthal correlations betwe... | Dijet event | Physics | 75 |
14,366,304 | https://en.wikipedia.org/wiki/HD%2072659 | HD 72659 is a star in the equatorial constellation of Hydra. With an apparent visual magnitude of 7.46, his yellow-hued star is too faint to be viewed with the naked eye. Parallax measurements provide a distance estimate of 169.4 light years from the Sun, and it has an absolute magnitude of 3.98. The star is drifting c... | HD 72659 | Astronomy | 342 |
2,917,649 | https://en.wikipedia.org/wiki/Speech | Speech is the use of the human voice as a medium for language. Spoken language combines vowel and consonant sounds to form units of meaning like words, which belong to a language's lexicon. There are many different intentional speech acts, such as informing, declaring, asking, persuading, directing; acts may vary in v... | Speech | Biology | 2,779 |
68,897,186 | https://en.wikipedia.org/wiki/Yang-Hui%20He | Yang-Hui He (; born 29 September 1975) is a mathematical physicist, who is a Fellow at the London Institute, which is based at the Royal Institution of Great Britain, as well as lecturer and former Fellow at Merton College, Oxford. He holds honorary positions as visiting professor of mathematics at City, University of ... | Yang-Hui He | Physics | 634 |
52,565 | https://en.wikipedia.org/wiki/Partial%20derivative | In mathematics, a partial derivative of a function of several variables is its derivative with respect to one of those variables, with the others held constant (as opposed to the total derivative, in which all variables are allowed to vary). Partial derivatives are used in vector calculus and differential geometry.
Th... | Partial derivative | Mathematics | 2,478 |
19,651,455 | https://en.wikipedia.org/wiki/Vacuolar%20fusion%20protein%20Mon1 | SAND protein family, first described in Saccharomyces cerevisiae (but also in the animals Fugu rubripes, Caenorhabditis elegans, Drosophila melanogaster and Homo sapiens and in the plant Arabidopsis thaliana using comparative genomics), is membrane protein related with vesicle traffic: vacuole fusion in yeasts and lyso... | Vacuolar fusion protein Mon1 | Chemistry,Biology | 132 |
55,613,887 | https://en.wikipedia.org/wiki/Seascape%20ecology | Seascape ecology is a scientific discipline that deals with the causes and ecological consequences of spatial pattern in the marine environment, drawing heavily on conceptual and analytical frameworks developed in terrestrial landscape ecology.
Overview
Seascape ecology, the application of landscape ecology concepts ... | Seascape ecology | Biology | 1,513 |
23,938,639 | https://en.wikipedia.org/wiki/Igmesine | Igmesine (JO-1,784) is a sigma receptor agonist (IC50 = 39 nM (rat brain)). It has neuroprotective and antidepressant-like effects in animal studies, as well as nootropic effects in models of age-related cognitive decline. In two phase II clinical trials, igmesine was found to be effective in the treatment of depressio... | Igmesine | Chemistry | 150 |
2,180,593 | https://en.wikipedia.org/wiki/Kirby%E2%80%93Siebenmann%20class | In mathematics, more specifically in geometric topology, the Kirby–Siebenmann class is an obstruction for topological manifolds to allow a PL-structure.
The KS-class
For a topological manifold M, the Kirby–Siebenmann class is an element of the fourth cohomology group of M that vanishes if M admits a piecewise linear ... | Kirby–Siebenmann class | Mathematics | 198 |
29,504,243 | https://en.wikipedia.org/wiki/N-group%20%28finite%20group%20theory%29 | In mathematical finite group theory, an N-group is a group all of whose local subgroups (that is, the normalizers of nontrivial p-subgroups) are solvable groups. The non-solvable ones were classified by Thompson during his work on finding all the minimal finite simple groups.
Simple N-groups
The simple N-groups were ... | N-group (finite group theory) | Mathematics | 898 |
18,142,318 | https://en.wikipedia.org/wiki/7-Spiroindanyloxymorphone | 7-Spiroindanyloxymorphone (SIOM) is a drug that is used in scientific research. It is a selective δ-opioid agonist. It is a derivative of oxymorphone.
References
4,5-Epoxymorphinans
Opioids
Delta-opioid receptor agonists
Hydroxyarenes
Tertiary alcohols
Ketones
Spiro compounds | 7-Spiroindanyloxymorphone | Chemistry | 85 |
40,515,402 | https://en.wikipedia.org/wiki/Lentinellus%20montanus | Lentinellus montanus is a species of agaric fungus in the family Auriscalpiaceae. It is found at high elevations in the Pacific Northwest region of North America, where it fruits singly or in clumps on decaying conifer wood.
Taxonomy
The species was officially described by American mycologist Orson K. Miller in 1965.... | Lentinellus montanus | Biology | 620 |
54,534,627 | https://en.wikipedia.org/wiki/NGC%207070 | NGC 7070 is a spiral galaxy located about 100 million light-years away in the constellation of Grus. It has a close companion galaxy called NGC 7070A. NGC 7070 was discovered by astronomer John Herschel on September 5, 1834.
NGC 7070 is a member of a group of galaxies known as the NGC 7079 Group.
See also
NGC 7083... | NGC 7070 | Astronomy | 106 |
69,149,793 | https://en.wikipedia.org/wiki/C/2021%20T4%20%28Lemmon%29 | C/2021 T4 (Lemmon) is a long period comet discovered by the Mount Lemmon Observatory on 7 October 2021. This passage through the planetary region of the Solar System will reduce the orbital period from millions of years to thousands of years.
It has been south of the celestial equator since October 2022. On 13 June it... | C/2021 T4 (Lemmon) | Astronomy | 184 |
7,023,870 | https://en.wikipedia.org/wiki/Sex%20strike | A sex strike (sex boycott), or more formally known as Lysistratic nonaction, is a method of nonviolent resistance in which one or more persons refrain from or refuse sex with partners until policy or social demands are met. It is a form of temporary sexual abstinence. Sex strikes have been used to protest many issues, ... | Sex strike | Biology | 1,683 |
7,247,551 | https://en.wikipedia.org/wiki/PH%2075 | PH 75 was a military development program in France aimed at designing a nuclear-powered amphibious assault ship during the 1970s. Design work was never completed by the time the project was cancelled in 1981.
History
The role of providing air support for amphibious operations in the French Navy was left to the aging ... | PH 75 | Engineering | 267 |
960,668 | https://en.wikipedia.org/wiki/Ernst%20Leonard%20Lindel%C3%B6f | Ernst Leonard Lindelöf (; 7 March 1870 – 4 June 1946) was a Finnish mathematician, who made contributions in real analysis, complex analysis and topology. Lindelöf spaces are named after him. He was the son of mathematician Lorenz Leonard Lindelöf and brother of the philologist .
He was secretary of the Finnish Societ... | Ernst Leonard Lindelöf | Mathematics | 417 |
65,924,162 | https://en.wikipedia.org/wiki/Chalk%20paint | Chalk paint is a water-based, decorative paint invented by Annie Sloan which may be applied over almost any surface. It requires very little preparation and needs a topcoat to avoid flaking. Chalk paints are also used by utility companies to mark road surfaces.
Description
Chalk paint is a water-based, decorative pai... | Chalk paint | Chemistry | 655 |
33,335,576 | https://en.wikipedia.org/wiki/Torque-to-yield%20fastener | A torque to yield fastener (TTY) or stretch Bolt is a fastener which is torqued beyond the state of elasticity and therefore undergoes plastic deformation, causing it to become permanently elongated.
Fastener
Torquing a fastener close to its yield point results in a residual axial preloading of the fastener which, dep... | Torque-to-yield fastener | Engineering | 282 |
62,276,942 | https://en.wikipedia.org/wiki/Finish%20%28detergent%29 | Finish is the brand name of a range of dishwasher detergent and cleaning products sold by the consumer products manufacturer Reckitt. The tablets, based on the original product, contain surfactants which counteract water hardness and break down foods containing starches and proteins, and remove bleachable stains and pr... | Finish (detergent) | Chemistry,Technology | 320 |
43,148,379 | https://en.wikipedia.org/wiki/Tower%20climber | A tower climber specializes in maintenance, installation, and decommissioning of cellular and radio tower components such as coaxial cable, antennas, radios, fiber-optic cable and broadcast equipment for cell phones, television, radio, etc.
Description
Tower climbers perform routine inspections and tests on broadcasti... | Tower climber | Technology | 355 |
20,555,335 | https://en.wikipedia.org/wiki/Atriplex%20watsonii | Atriplex watsonii is a species of saltbush known by the common name Watson's saltbush, or Watson's orach. It is native to the coastline of California and Baja California, where it grows in coastal areas with saline soils, such as salt marshes and beach scrub, with other halophytes such as saltgrass. It extends inland i... | Atriplex watsonii | Chemistry | 323 |
66,026,415 | https://en.wikipedia.org/wiki/Modern%20Quantum%20Mechanics | Modern Quantum Mechanics, often called Sakurai or Sakurai and Napolitano, is a standard graduate-level quantum mechanics textbook written originally by J. J. Sakurai and edited by San Fu Tuan in 1985, with later editions coauthored by Jim Napolitano. Sakurai died in 1982 before he could finish the textbook and both the... | Modern Quantum Mechanics | Physics | 446 |
7,895,070 | https://en.wikipedia.org/wiki/K%20correction | K correction converts measurements of astronomical objects into their respective rest frames. The correction acts on that object's observed magnitude (or equivalently, its flux). Because astronomical observations often measure through a single filter or bandpass, observers only measure a fraction of the total spectrum,... | K correction | Physics,Astronomy | 448 |
343,400 | https://en.wikipedia.org/wiki/Simple%20theorems%20in%20the%20algebra%20of%20sets | The simple theorems in the algebra of sets are some of the elementary properties of the algebra of union (infix operator: ∪), intersection (infix operator: ∩), and set complement (postfix ') of sets.
These properties assume the existence of at least two sets: a given universal set, denoted U, and the empty set, denote... | Simple theorems in the algebra of sets | Mathematics | 951 |
60,125,052 | https://en.wikipedia.org/wiki/NGC%201160 | NGC 1160 is a spiral galaxy approximately 116 million light-years away from Earth in the constellation of Perseus. It was discovered, along with NGC 1161, by English astronomer William Herschel on October 7, 1784.
NGC 1160 forms a visual pair with the galaxy NGC 1161. Both galaxies are located between the Local and Pe... | NGC 1160 | Astronomy | 126 |
36,958,743 | https://en.wikipedia.org/wiki/14%20Comae%20Berenices | 14 Comae Berenices is a single star in the northern constellation of Coma Berenices, and is the second brightest member of the Coma Star Cluster. It is a faint star but visible to the naked eye with an apparent visual magnitude of 4.95. Parallax measurements place the star at a distance of about 266 light years.
The s... | 14 Comae Berenices | Astronomy | 262 |
24,564,752 | https://en.wikipedia.org/wiki/Naval%20flag%20signalling | Naval flag signalling covers various forms of flag signalling, such as semaphore or flaghoist, used by various navies; distinguished from maritime flag signalling by merchant or other non-naval vessels or flags used for identification.
History
Naval flag signalling undoubtedly developed in antiquity in order to coordi... | Naval flag signalling | Engineering | 982 |
22,719,936 | https://en.wikipedia.org/wiki/Baryon%20acoustic%20oscillations | In cosmology, baryon acoustic oscillations (BAO) are fluctuations in the density of the visible baryonic matter (normal matter) of the universe, caused by acoustic density waves in the primordial plasma of the early universe. In the same way that supernovae provide a "standard candle" for astronomical observations, BA... | Baryon acoustic oscillations | Physics,Astronomy | 2,500 |
49,640,257 | https://en.wikipedia.org/wiki/Esholt%20Sewage%20Works%20Railway | Esholt Sewage Works Railway was a standard gauge works railway constructed in 1910 to serve a sewage works in Esholt, West Yorkshire, England.
The works were built to remove wool-grease and other wastes from effluent coming out of the many mills of the Bradford woollen district. At its peak, the railway extended to o... | Esholt Sewage Works Railway | Chemistry | 1,097 |
51,088,515 | https://en.wikipedia.org/wiki/Libraries.io | Libraries.io is an open source web service that lists software development project dependencies and alerts developers to new versions of the software libraries they are using.
Libraries.io is written by Andrew Nesbitt, who has also used the code as the basis for DependencyCI, a service that tests project dependencies.... | Libraries.io | Mathematics,Technology,Engineering | 235 |
34,298,214 | https://en.wikipedia.org/wiki/Dragontrail | Dragontrail is an alkali-aluminosilicate sheet glass manufactured by AGC Inc. It is engineered for a combination of thinness, lightness and damage-resistance, similarly to Corning's proprietary Gorilla Glass. The material's primary properties are its strength, allowing thin glass without fragility; its high scratch res... | Dragontrail | Physics,Materials_science,Engineering | 615 |
53,927,859 | https://en.wikipedia.org/wiki/Aspergillus%20galapagensis | Aspergillus galapagensis (also named Neosartorya galapagensis) is a species of fungus in the genus Aspergillus. It is from the Fumigati section. Several fungi from this section produce heat-resistant ascospores, and the isolates from this section are frequently obtained from locations where natural fires have previousl... | Aspergillus galapagensis | Biology | 171 |
67,065,443 | https://en.wikipedia.org/wiki/Small%20packet | Small packet, also called packages, is a postal term that is internationally defined as mails less than 2 kg. Commonly, small items that are not flat enough to be sent as ordinary letter would be sent as small packets.
Gallery
References
Postal systems
Philatelic terminology | Small packet | Technology | 55 |
49,157,777 | https://en.wikipedia.org/wiki/Sarcodon%20quietus | Sarcodon quietus is a species of tooth fungus in the family Bankeraceae. Found in the Congo, it was described as new to science in 1967 by Dutch mycologist Rudolph Arnold Maas Geesteranus.
References
External links
Fungi described in 1967
Fungi of Africa
quietus
Fungus species | Sarcodon quietus | Biology | 60 |
12,775,176 | https://en.wikipedia.org/wiki/Parent%E2%80%93child%20interaction%20therapy | Parent–child interaction therapy (PCIT) is an intervention developed by Sheila Eyberg (1988) to treat children between ages 2 and 7 with disruptive behavior problems. PCIT is an evidence-based treatment (EBT) for young children with behavioral and emotional disorders that places emphasis on improving the quality of the... | Parent–child interaction therapy | Biology | 5,504 |
77,107,405 | https://en.wikipedia.org/wiki/PKS%201345%2B125 | PKS 1345+125 known as PKS 1345+12 and 4C +12.50, is an ultraluminous infrared galaxy (ULIG) with an active galactic nucleus, located in the constellation Boötes. With a redshift of 0.121740, the galaxy is located 1.7 billion light-years from Earth.
Characteristics
A merger of two gas-rich galaxies consisting of one e... | PKS 1345+125 | Astronomy | 1,539 |
25,050,663 | https://en.wikipedia.org/wiki/Learning%20to%20rank | Learning to rank or machine-learned ranking (MLR) is the application of machine learning, typically supervised, semi-supervised or reinforcement learning, in the construction of ranking models for information retrieval systems. Training data may, for example, consist of lists of items with some partial order specified ... | Learning to rank | Engineering | 4,122 |
23,057,932 | https://en.wikipedia.org/wiki/Forsythia%20%C3%97%20intermedia | Forsythia × intermedia, or border forsythia, is an ornamental deciduous shrub of garden origin.
Description
The shrub has an upright habit with arching branches and grows to 3 to 4 metres high. The opposite leaves turn yellowish or occasionally purplish in the autumn before falling. The bright yellow flowers are pro... | Forsythia × intermedia | Biology | 456 |
9,988,015 | https://en.wikipedia.org/wiki/Tilda%20Johnson | Tilda Johnson, introduced as the Queen of the Werewolves and also known as Dr. Nightshade, Deadly Nightshade, or simply Nightshade, is a fictional character appearing in American comic books published by Marvel Comics. Introduced as a supervillain opposing Captain America, Falcon, Power Man, Iron Fist, and Black Panthe... | Tilda Johnson | Chemistry | 2,015 |
7,405,199 | https://en.wikipedia.org/wiki/Adnoun | Adnoun is a linguistic term used with two different meanings.
Hyponym of adjective
An adnoun is a kind of lexical category. In English, it is a word that is usually an adjective, but is being used as a noun. The origin of the word is thought to date to around 1763-1792. Often these usages are simply identified as t... | Adnoun | Technology | 213 |
52,480,271 | https://en.wikipedia.org/wiki/OpenLB | OpenLB is an object-oriented implementation of the lattice Boltzmann methods (LBM). It is the first implementation of a generic platform for LBM programming, which is shared with the open source community (GPLv2).
The code is written in C++ and is used by application programmers as well as developers, with the ability ... | OpenLB | Physics,Chemistry | 815 |
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