id int64 580 79M | url stringlengths 31 175 | text stringlengths 9 245k | source stringlengths 1 109 | categories stringclasses 160
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|---|---|---|---|---|---|
57,048,333 | https://en.wikipedia.org/wiki/Nifurtimox/eflornithine | Nifurtimox/eflornithine is a combination of two antiparasitic drugs, nifurtimox and eflornithine, used in the treatment of African trypanosomiasis (sleeping sickness). It is included in the World Health Organization's Model List of Essential Medicines.
A treatment regimen known as nifurtimox-eflornithine combination t... | Nifurtimox/eflornithine | Biology | 160 |
26,732,377 | https://en.wikipedia.org/wiki/Geodat | Geodat was a commercial project, begun in 1980 and completed by 1991, that provided digital geographic mapping data for commercial users at scales equal to or greater than 1:1,000,000. The term "Geodat" was derived from "GEOgraphic DATa". Geodat data was primarily "medium scale", a nominal 1:100,000, but ranged from 1... | Geodat | Mathematics,Engineering | 1,502 |
14,411,733 | https://en.wikipedia.org/wiki/Madelung%20equations | In theoretical physics, the Madelung equations, or the equations of quantum hydrodynamics, are Erwin Madelung's equivalent alternative formulation of the Schrödinger equation for a spinless non relativistic particle, written in terms of hydrodynamical variables, similar to the Navier–Stokes equations of fluid dynamics... | Madelung equations | Physics | 707 |
2,081,987 | https://en.wikipedia.org/wiki/Chapman%20function | A Chapman function describes the integration of atmospheric absorption along a slant path on a spherical Earth, relative to the vertical case. It applies to any quantity with a concentration decreasing exponentially with increasing altitude. To a first approximation, valid at small zenith angles, the Chapman function f... | Chapman function | Physics,Mathematics | 390 |
76,439,689 | https://en.wikipedia.org/wiki/Dorsal%20pancreatic%20agenesis | Dorsal pancreatic agenesis is a congenital anomaly characterised by the absence of the duct of Santorini, tail and body of the pancreas. It is regarded as asymptomatic and the most common clinical manifestation is non-specific abdominal pain. While the cause is unclear, its mechanism is thought to be impaired dorsal bu... | Dorsal pancreatic agenesis | Biology | 2,386 |
34,829,638 | https://en.wikipedia.org/wiki/Hammerkit | Hammerkit is a company which has developed a platform as a service (PaaS) which allows web formats and repeatable solutions to be created and distributed globally using its CloudStore.
History
Hammerkit was a piece of software first developed by Jani Vähäsöyrinki, Heikki Luhtala, and Ari Tenhunen between 2002 and 200... | Hammerkit | Technology | 765 |
5,751,674 | https://en.wikipedia.org/wiki/Linnda%20R.%20Caporael | Linnda Caporael is a professor at the Science and Technology Studies Department at Rensselaer Polytechnic Institute.
Educational background
Linnda R. Caporael is a professor at Rensselaer Polytechnic Institute in the department of Technical Studies and Science. She received her PhD in Psychology at the University of ... | Linnda R. Caporael | Technology | 1,007 |
8,546,244 | https://en.wikipedia.org/wiki/Wet%20scrubber | The term wet scrubber describes a variety of devices that remove pollutants from a furnace flue gas or from other gas streams. In a wet scrubber, the polluted gas stream is brought into contact with the scrubbing liquid, by spraying it with the liquid, by forcing it through a pool of liquid, or by some other contact m... | Wet scrubber | Chemistry,Engineering | 3,837 |
70,687,909 | https://en.wikipedia.org/wiki/Neodymium%20arsenate | Neodymium arsenate, also known as neodymium(III) arsenate, is the arsenate of neodymium with the chemical formula of NdAsO4. In this compound, neodymium exhibits the +3 oxidation state. It has good thermal stability, and its pKsp,c is 21.86±0.11.
Preparation
Neodymium arsenate can be obtained from the reaction between... | Neodymium arsenate | Chemistry | 190 |
65,783,425 | https://en.wikipedia.org/wiki/Pakistani%20women%20in%20STEM | While STEM (Science, technology, engineering and mathematics) fields all over the world are dominated by men, the number of Pakistani women in 'STEM' is low due to one of the highest gender gaps in STEM fields. However, over the time, some Pakistani women have emerged as scientists in fields like Physics, Biology and c... | Pakistani women in STEM | Technology | 978 |
18,813,336 | https://en.wikipedia.org/wiki/Szpiro%27s%20conjecture | In number theory, Szpiro's conjecture relates to the conductor and the discriminant of an elliptic curve. In a slightly modified form, it is equivalent to the well-known abc conjecture. It is named for Lucien Szpiro, who formulated it in the 1980s. Szpiro's conjecture and its equivalent forms have been described as "... | Szpiro's conjecture | Mathematics | 454 |
51,998,538 | https://en.wikipedia.org/wiki/Hygrocybe%20umbilicata | Hygrocybe umbilicata is a species of the fungal family Hygrophoraceae. This species is the first of its genus reported for Bangladesh. It was found in Singra Forest, Birganj, Dinajpur district of Bangladesh.
References
Fungi of Bangladesh
umbilicata
Fungi described in 2016
Fungus species | Hygrocybe umbilicata | Biology | 71 |
2,108,626 | https://en.wikipedia.org/wiki/Lambda%20Velorum | )
Lambda Velorum (λ Velorum, abbreviated Lambda Vel, λ Vel), officially named Suhail , is a star in the southern constellation of Vela. With a mean apparent visual magnitude of 2.21, this is the third-brightest star in the constellation and one of the brighter stars in the sky. The distance to this star can be measure... | Lambda Velorum | Astronomy | 772 |
37,067,559 | https://en.wikipedia.org/wiki/Delta1%20Gruis | {{DISPLAYTITLE:Delta1 Gruis}}
Delta1 Gruis, Latinized from δ1 Gruis, is a candidate binary star system in the constellation Grus. With a peak apparent visual magnitude of 4.0 it is bright enough to be seen with the naked eye at night. The distance to this system, as determined using an annual parallax shift of 10.54 m... | Delta1 Gruis | Astronomy | 260 |
1,567,335 | https://en.wikipedia.org/wiki/Derived%20set%20%28mathematics%29 | In mathematics, more specifically in point-set topology, the derived set of a subset of a topological space is the set of all limit points of It is usually denoted by
The concept was first introduced by Georg Cantor in 1872 and he developed set theory in large part to study derived sets on the real line.
Definiti... | Derived set (mathematics) | Mathematics | 871 |
7,706 | https://en.wikipedia.org/wiki/Cartesian%20coordinate%20system | In geometry, a Cartesian coordinate system (, ) in a plane is a coordinate system that specifies each point uniquely by a pair of real numbers called coordinates, which are the signed distances to the point from two fixed perpendicular oriented lines, called coordinate lines, coordinate axes or just axes (plural of axi... | Cartesian coordinate system | Mathematics | 5,119 |
24,535,618 | https://en.wikipedia.org/wiki/Majumdar%E2%80%93Ghosh%20model | The Majumdar–Ghosh model is a one-dimensional quantum Heisenberg spin model in which the nearest-neighbour antiferromagnetic exchange interaction is twice as strong as the next-nearest-neighbour interaction. It is a special case of the more general - model, with . The model is named after Indian physicists Chanchal Kum... | Majumdar–Ghosh model | Physics,Materials_science | 774 |
38,992,861 | https://en.wikipedia.org/wiki/Food%20and%20Chemical%20Toxicology | Food and Chemical Toxicology is a peer-reviewed scientific journal covering aspects of food safety, chemical safety, and other aspects of consumer product safety. It is published by Elsevier and was established in 1963. The editor-in-chief is Bryan Delaney.
Abstracting and indexing
The journal is abstracted and index... | Food and Chemical Toxicology | Environmental_science | 314 |
35,575,382 | https://en.wikipedia.org/wiki/Schmidt%E2%80%93Kalman%20filter | The Schmidt–Kalman Filter is a modification of the Kalman filter for reducing the dimensionality of the state estimate, while still considering the effects of the additional state in the calculation of the covariance matrix and the Kalman gains. A common application is to account for the effects of nuisance parameters ... | Schmidt–Kalman filter | Mathematics | 300 |
995,994 | https://en.wikipedia.org/wiki/Electro-galvanic%20oxygen%20sensor | An electro-galvanic fuel cell is an electrochemical device which consumes a fuel to produce an electrical output by a chemical reaction. One form of electro-galvanic fuel cell based on the oxidation of lead is commonly used to measure the concentration of oxygen gas in underwater diving and medical breathing gases.
El... | Electro-galvanic oxygen sensor | Technology,Engineering | 3,679 |
54,045,177 | https://en.wikipedia.org/wiki/Biopolymers%20%28journal%29 | Biopolymers is a biweekly peer-reviewed scientific journal covering the study of biopolymers from a biochemical and biophysical perspective. It was established in 1963 and is published by John Wiley & Sons. The editor-in-chief is Hilary J. Crichton. The journal has three sections: Peptide Science (established in 1995, ... | Biopolymers (journal) | Chemistry | 202 |
10,836,468 | https://en.wikipedia.org/wiki/Erd%C5%91s%E2%80%93Stone%20theorem | In extremal graph theory, the Erdős–Stone theorem is an asymptotic result generalising Turán's theorem to bound the number of edges in an H-free graph for a non-complete graph H. It is named after Paul Erdős and Arthur Stone, who proved it in 1946, and it has been described as the “fundamental theorem of extremal gra... | Erdős–Stone theorem | Mathematics | 1,108 |
11,437,936 | https://en.wikipedia.org/wiki/Mycosphaerella%20angulata | Mycosphaerella angulata is a fungal plant pathogen infecting muscadine grapes. This pathogen causes the common disease angular leaf spot. Mycosphaerella angulate is an ascomycete in the fungi kingdom.
Host and symptoms
Mycosphaerella angulata is a major pathogen affecting the muscadine grape. Infection occurs main... | Mycosphaerella angulata | Biology | 867 |
2,728,068 | https://en.wikipedia.org/wiki/Anomalous%20magnetic%20dipole%20moment | In quantum electrodynamics, the anomalous magnetic moment of a particle is a contribution of effects of quantum mechanics, expressed by Feynman diagrams with loops, to the magnetic moment of that particle. The magnetic moment, also called magnetic dipole moment, is a measure of the strength of a magnetic source.
The "... | Anomalous magnetic dipole moment | Physics,Mathematics | 944 |
5,039,858 | https://en.wikipedia.org/wiki/Shear%20flow | In fluid dynamics, shear flow is the flow induced by a force in a fluid. In solid mechanics, shear flow is the shear stress over a distance in a thin-walled structure.
In solid mechanics
For thin-walled profiles, such as that through a beam or semi-monocoque structure, the shear stress distribution through the thickne... | Shear flow | Physics,Chemistry,Engineering | 1,098 |
27,470,400 | https://en.wikipedia.org/wiki/SEMI%20font | SEMI Font, also known as SEMI OCR font, is used for marking silicon wafers in the semi-conductor industry.
The SEMI font character set include 26 uppercase letters, 10 numbers, dash and period.
Their shapes and dimensions are specified by SEMI M12/M13 standard, which was approved by Global Traceability Committee and N... | SEMI font | Materials_science | 139 |
47,162,990 | https://en.wikipedia.org/wiki/Technology%20Education%20and%20Literacy%20in%20Schools | Technology Education and Literacy in Schools (TEALS) is a program that pairs high schools with software engineers who serve as part-time computer science teachers.
The program was started in 2009 by Microsoft software engineer Kevin Wang, but after Wang's divisional president learned about the program, Microsoft incub... | Technology Education and Literacy in Schools | Technology | 1,195 |
40,851,738 | https://en.wikipedia.org/wiki/Sequence-controlled%20polymer | A sequence-controlled polymer is a macromolecule, in which the sequence of monomers is controlled to some degree. This control can be absolute but not necessarily. In other words, a sequence-controlled polymer can be uniform (its dispersity Ð is equal to 1) or non-uniform (Ð>1). For example, an alternating copolymer sy... | Sequence-controlled polymer | Physics,Chemistry,Materials_science | 1,666 |
42,057,256 | https://en.wikipedia.org/wiki/Hemispherical%20resonator%20gyroscope | The hemispherical resonator gyroscope (HRG), also called wine-glass gyroscope or mushroom gyro, is a compact, low-noise, high-performance angular rate or rotation sensor. An HRG is made using a thin solid-state hemispherical shell, anchored by a thick stem. This shell is driven to a flexural resonance by electrostatic ... | Hemispherical resonator gyroscope | Technology,Engineering | 1,782 |
8,000,513 | https://en.wikipedia.org/wiki/Home%20Gateway%20Initiative | The Home Gateway Initiative (HGI) was a nonprofit trade organization to discuss the key specifications and standards of residential gateways, also known as home gateways.
It was founded by telephone companies (Belgacom, BT, Deutsche Telekom, France Telecom, KPN, Nippon Telegraph and Telephone (NTT), Swiss Telecom, Tel... | Home Gateway Initiative | Technology,Engineering | 424 |
597,727 | https://en.wikipedia.org/wiki/List%20of%20Internet%20phenomena | Internet phenomena are social and cultural phenomena specific to the Internet, such as Internet memes, which include popular catchphrases, images, viral videos, and jokes. When such fads and sensations occur online, they tend to grow rapidly and become more widespread because the instant communication facilitates word ... | List of Internet phenomena | Technology | 18,956 |
201,718 | https://en.wikipedia.org/wiki/Principle%20of%20maximum%20entropy | The principle of maximum entropy states that the probability distribution which best represents the current state of knowledge about a system is the one with largest entropy, in the context of precisely stated prior data (such as a proposition that expresses testable information).
Another way of stating this: Take pr... | Principle of maximum entropy | Physics,Mathematics | 3,322 |
57,185,370 | https://en.wikipedia.org/wiki/Passiflora%20%C3%97%20exoniensis | Passiflora × exoniensis, the Exeter passion flower, is a hybrid of garden origin between two species of flowering plants, Passiflora antioquiensis × Passiflora tripartita var. mollissima in the family Passifloraceae. It was hybridised in the Veitch Nurseries in Exeter, Devon, England, in the 1870s. The name Passiflora ... | Passiflora × exoniensis | Biology | 201 |
18,729,970 | https://en.wikipedia.org/wiki/Correlation%20swap | A correlation swap is an over-the-counter financial derivative that allows one to speculate on or hedge risks associated with the observed average correlation, of a collection of underlying products, where each product has periodically observable prices, as with a commodity, exchange rate, interest rate, or stock inde... | Correlation swap | Mathematics | 252 |
14,507,786 | https://en.wikipedia.org/wiki/Petrochemical%20industry%20in%20Romania | The emergence of oil production in the territory now known as Romania dates back to 1857, with oil facilities gaining strategic military significance in 1916 during World War I. Throughout World War II, the Kingdom of Romania held the position as the largest oil producer in Europe, second only to the USSR, whose prima... | Petrochemical industry in Romania | Chemistry | 592 |
34,738,934 | https://en.wikipedia.org/wiki/OmpA%20domain | In molecular biology, the OmpA domain is a conserved protein domain with a beta/alpha/beta/alpha-beta(2) structure found in the C-terminal region of many Gram-negative bacterial outer membrane proteins, such as porin-like integral membrane proteins (such as ompA), small lipid-anchored proteins (such as pal), and MotB p... | OmpA domain | Biology | 231 |
53,234,343 | https://en.wikipedia.org/wiki/NGC%20419 | NGC 419 is a globular cluster located approximately from Earth in the constellation Tucana. It was discovered on September 2, 1826, by James Dunlop. It was described by Dreyer as "pretty large, pretty bright, round, gradually brighter middle". At a distance of about 186,000 light years (57,000 parsecs), it is located ... | NGC 419 | Astronomy | 231 |
18,857,436 | https://en.wikipedia.org/wiki/6-phosphogluconate%20dehydrogenase%20deficiency | 6-Phosphogluconate dehydrogenase deficiency (6PGD deficiency), or partial deficiency, is an autosomal hereditary disease characterized by abnormally low levels of 6-phosphogluconate dehydrogenase (6PGD), a metabolic enzyme involved in the Pentose phosphate pathway. It is very important in the metabolism of red blood ce... | 6-phosphogluconate dehydrogenase deficiency | Chemistry | 1,186 |
30,006,925 | https://en.wikipedia.org/wiki/G1%20and%20G1/S%20cyclins-%20budding%20yeast | Cln1, Cln2, and Cln3 are cyclin proteins expressed in the G1-phase of the cell cycle of budding yeast. Like other cyclins, they function by binding and activating cyclin-dependent kinase. They are responsible for initiating entry into a new mitotic cell cycle at Start. As described below, Cln3 is the primary regulator ... | G1 and G1/S cyclins- budding yeast | Biology | 586 |
19,217,621 | https://en.wikipedia.org/wiki/Nonintrusive%20load%20monitoring | Nonintrusive load monitoring (NILM), nonintrusive appliance load monitoring (NIALM), or energy disaggregation is a process for analyzing changes in the voltage and current going into a house and deducing what appliances are used in the house as well as their individual energy consumption. Electric meters with NILM tec... | Nonintrusive load monitoring | Engineering | 915 |
16,499,897 | https://en.wikipedia.org/wiki/Pseudo%20amino%20acid%20composition | In molecular biology, pseudo amino acid composition (PseACC) is a method introduced by Kuo-Chen Chou to convert the protein sequence into a numerical vector for enhancing pattern recognition techniques, such as during discrimination between classes of proteins based on their sequences (e.g. between membrane proteins, t... | Pseudo amino acid composition | Chemistry,Biology | 1,202 |
1,654,769 | https://en.wikipedia.org/wiki/Artificial%20intelligence%20in%20video%20games | In video games, artificial intelligence (AI) is used to generate responsive, adaptive or intelligent behaviors primarily in non-playable characters (NPCs) similar to human-like intelligence. Artificial intelligence has been an integral part of video games since their inception in 1948, first seen in the game Nim. AI in... | Artificial intelligence in video games | Mathematics | 7,063 |
71,739,917 | https://en.wikipedia.org/wiki/Monocyte%20monolayer%20assay | The monocyte monolayer assay (MMA) is used to determine the clinical significance of alloantibodies produced by blood transfusion recipients. The assay is used to assess the potential for intravascular hemolysis when incompatible cellular blood products are transfused to the anemic patient. When donor cells possess sub... | Monocyte monolayer assay | Chemistry | 1,353 |
5,688,857 | https://en.wikipedia.org/wiki/Mothers%20against%20decapentaplegic%20homolog%209 | Mothers against decapentaplegic homolog 9 also known as SMAD9, SMAD8, and MADH6 is a protein that in humans is encoded by the SMAD9 gene.
SMAD9, as its name describes, is a homolog of the Drosophila gene: "Mothers against decapentaplegic". It belongs to the SMAD family of proteins, which belong to the TGFβ superfamil... | Mothers against decapentaplegic homolog 9 | Chemistry,Biology | 411 |
38,908,542 | https://en.wikipedia.org/wiki/.223%20Wylde%20chamber | A .223 Wylde chamber is a wildcat rifle chamber designed to accurize the 5.56×45mm NATO chamber for NRA High Power competition.
Background
In 1957, during research into the development of a military .22 caliber rifle, the .222 Remington Special was created by a joint effort of Fairchild Industries, Remington Arms, and... | .223 Wylde chamber | Technology | 470 |
28,094,935 | https://en.wikipedia.org/wiki/First-pass%20yield | First-pass yield (FPY), also known as throughput yield (TPY), is defined as the number of units coming out of a process divided by the number of units going into that process over a specified period of time.
Example
Consider the following:
You have a process that is divided into four sub-processes: A, B, C and D. As... | First-pass yield | Engineering | 761 |
36,942,597 | https://en.wikipedia.org/wiki/9%20Cephei | 9 Cephei (9 Cep), also known as V337 Cephei, is a variable star in the constellation Cepheus. It is visible to the naked eye.
In 1967, Graham Hill announced his discovery that 9 Cephei is a variable star. 9 Cephei was given the name V337 Cephei and classified as an α Cygni variable in 1979. It varies irregularly betw... | 9 Cephei | Astronomy | 307 |
74,578,936 | https://en.wikipedia.org/wiki/Sodium%20ammonium%20tartrate | Sodium ammonium tartrate (NAT) is an organic compound with the formula . The salt is derived from tartaric acid by neutralizing with ammonia and with sodium hydroxide. Louis Pasteur obtained enantiopure crystals of the tetrahydrate of NAT, via the process of spontaneous resolution. His discovery led to increased study ... | Sodium ammonium tartrate | Physics,Chemistry,Materials_science | 152 |
36,778,368 | https://en.wikipedia.org/wiki/HD%20202951 | HD 202951 is a probable binary star system located in the northern constellation of Equuleus. It is near the lower limit of visibility to the naked eye, having an apparent visual magnitude of 5.97. The distance to this system can be estimated from the annual parallax shift of , yielding a value of roughly 1,190 light y... | HD 202951 | Astronomy | 270 |
432,459 | https://en.wikipedia.org/wiki/Bullying | Bullying is the use of force, coercion, hurtful teasing, comments, or threats, in order to abuse, aggressively dominate, or intimidate one or more others. The behavior is often repeated and habitual. One essential prerequisite is the perception (by the bully or by others) that an imbalance of physical or social power e... | Bullying | Biology | 8,544 |
53,907,927 | https://en.wikipedia.org/wiki/Intelsat%20704 | Intelsat 704 (also known as IS-704 and Intelsat 7-F4) is a geostationary communication satellite that was built by Space Systems/Loral (SSL). It is located in the orbital position of 29.5 degrees east longitude and it is currently in an inclined orbit. The same is owned by Intelsat and after sold to SES World Skies on ... | Intelsat 704 | Astronomy | 402 |
15,181,461 | https://en.wikipedia.org/wiki/Cartilage-derived%20angiogenesis%20inhibitor | A cartilage-derived angiogenesis inhibitor is an angiogenesis inhibitor produced from cartilage. Examples include the peptide troponin I and chondromodulin I.
The antiangiogenic effect may be an inhibition of basement membrane degradation.
These inhibitory agents prevent 'vascular invasion', which is the proliferation... | Cartilage-derived angiogenesis inhibitor | Chemistry,Biology | 177 |
30,853,464 | https://en.wikipedia.org/wiki/Tributyltin%20azide | Tributyltin azide is an organotin compound with the formula (C4H9)3SnN3. It is a colorless solid although samples can appear as yellow oils. The compound is used as a reagent in organic synthesis.
Synthesis and reactions
Tributyltin azide is synthesized by the salt metathesis reaction of tributyltin chloride and sodi... | Tributyltin azide | Chemistry | 207 |
10,533,337 | https://en.wikipedia.org/wiki/Skewb%20Ultimate | The Skewb Ultimate, originally marketed as the Pyraminx Ball, is a twelve-sided puzzle derivation of the Skewb, produced by German toy-maker Uwe Mèffert. Most versions of this puzzle are sold with six different colors of stickers attached, with opposite sides of the puzzle having the same color; however, some early ver... | Skewb Ultimate | Mathematics | 671 |
525,101 | https://en.wikipedia.org/wiki/Hypersurface | In geometry, a hypersurface is a generalization of the concepts of hyperplane, plane curve, and surface. A hypersurface is a manifold or an algebraic variety of dimension , which is embedded in an ambient space of dimension , generally a Euclidean space, an affine space or a projective space.
Hypersurfaces share, with ... | Hypersurface | Mathematics | 1,301 |
46,237,919 | https://en.wikipedia.org/wiki/Energy%20for%20Sustainable%20Development | Energy for Sustainable Development is a peer-reviewed academic journal covering research on energy-related aspects of sustainable development. It is published by Elsevier and the editor-in-chief is Daniel B. Jones. According to the Journal Citation Reports, the journal has a 2018 impact factor of 3.307, and a five-year... | Energy for Sustainable Development | Environmental_science | 102 |
1,248,903 | https://en.wikipedia.org/wiki/XCBL | xCBL is a collection of XML specifications (both DTD and XML Schema) for use in e-business. It was created by Commerce One Inc. and is maintained by Perfect Commerce.
History
xCBL was originally called Common Business Library (CBL). The xCBL standardization began in 1997.
This led to the creation of xCBL 2.0 which... | XCBL | Technology | 335 |
5,089,577 | https://en.wikipedia.org/wiki/Council%20for%20Registered%20Gas%20Installers | The Council for Registered Gas Installers (CORGI) operates a voluntary registration scheme for gas installers in the United Kingdom. From 1991 to 2009 registration with CORGI was a legal requirement for gas operatives and businesses throughout the UK, and before April 2010 in Northern Ireland and Guernsey
CORGI regist... | Council for Registered Gas Installers | Chemistry,Engineering | 1,172 |
6,208,069 | https://en.wikipedia.org/wiki/Rop%20protein | Rop (also known as repressor of primer, or as RNA one modulator (ROM)) is a small dimeric protein responsible for keeping the copy number of ColE1 family and related bacterial plasmids low in E. coli by increasing the speed of pairing between the preprimer RNA, RNA II, and its antisense RNA, RNA I. Structurally, Rop i... | Rop protein | Chemistry | 206 |
69,818,125 | https://en.wikipedia.org/wiki/Mycena%20roseoflava | Mycena roseoflava is a species of agaric mushroom in the family Mycenaceae. It was first discovered in 1964 by New Zealand mycologist Greta Stevenson. It is a wood-inhabiting mushroom native to New Zealand.
The small fungus is saprotrophic, meaning it gains nutrients from decaying organic matter and appears on stresse... | Mycena roseoflava | Biology | 444 |
1,745,715 | https://en.wikipedia.org/wiki/Thymidine%20diphosphate | Thymidine diphosphate (TDP) or deoxythymidine diphosphate (dTDP) (also thymidine pyrophosphate, dTPP) is a nucleotide diphosphate. It is an ester of pyrophosphoric acid with the nucleoside thymidine. dTDP consists of the pyrophosphate group, the pentose sugar ribose, and the nucleobase thymine. Unlike the other deoxyr... | Thymidine diphosphate | Chemistry,Biology | 172 |
4,229,382 | https://en.wikipedia.org/wiki/NGC%205253 | NGC 5253 is an irregular galaxy in the constellation Centaurus. It was discovered by William Herschel on 15 March 1787.
Properties
NGC 5253 is located within the M83 Subgroup of the Centaurus A/M83 Group, a relatively nearby galaxy group that includes the radio galaxy Centaurus A and the spiral galaxy M83 (the Souther... | NGC 5253 | Astronomy | 336 |
1,512,655 | https://en.wikipedia.org/wiki/Hagen%20number | The Hagen number (Hg) is a dimensionless number used in forced flow calculations. It is the forced flow equivalent of the Grashof number and was named after the German hydraulic engineer G. H. L. Hagen.
Definition
It is defined as:
where:
is the pressure gradient
L is a characteristic length
ρ is the fluid densi... | Hagen number | Mathematics | 265 |
71,354,664 | https://en.wikipedia.org/wiki/Lyra%20%28codec%29 | Lyra is a lossy audio codec developed by Google that is designed for compressing speech at very low bitrates. Unlike most other audio formats, it compresses data using a machine learning-based algorithm.
Features
The Lyra codec is designed to transmit speech in real-time when bandwidth is severely restricted, such as... | Lyra (codec) | Engineering | 764 |
67,358,788 | https://en.wikipedia.org/wiki/Galperin%20configuration | Galperin configuration are a particular configuration of sensing elements found in a class of seismic instruments measuring ground motion and are named after Soviet seisomologist Evsey Iosifovich Galperin, who introduced it in 1955 for petroleum exploration.
Description
Common triaxial seismometers provide signal out... | Galperin configuration | Technology,Engineering | 427 |
44,516,005 | https://en.wikipedia.org/wiki/Pauling%27s%20principle%20of%20electroneutrality | Pauling's principle of electroneutrality states that each atom in a stable substance has a charge close to zero. It was formulated by Linus Pauling in 1948 and later revised. The principle has been used to predict which of a set of molecular resonance structures would be the most significant, to explain the stability o... | Pauling's principle of electroneutrality | Physics,Chemistry,Materials_science | 1,190 |
21,392,376 | https://en.wikipedia.org/wiki/Opal%20Storage%20Specification | The Opal Storage Specification is a set of specifications for features of data storage devices (such as hard disk drives and solid state drives) that enhance their security. For example, it defines a way of encrypting the stored data so that an unauthorized person who gains possession of the device cannot see the data... | Opal Storage Specification | Technology,Engineering | 410 |
42,240,565 | https://en.wikipedia.org/wiki/Karl%20Spencer%20Lashley%20Award | The Karl Spencer Lashley Award is awarded by The American Philosophical Society as a recognition of research on the integrative neuroscience of behavior. The award was established in 1957 by a gift from Dr. Karl Spencer Lashley.
Recipients
2024 Margaret Livingstone
2023 Silvia Arber
2022 Nicholas Spitzer
2021 Pa... | Karl Spencer Lashley Award | Technology | 1,680 |
40,119,464 | https://en.wikipedia.org/wiki/Rheubarbariboletus%20armeniacus | Rheubarbariboletus armeniacus is a small mushroom in the family Boletaceae native to Europe. It was formerly placed in the genera Boletus, Xerocomus, and Xerocomellus. It acquired its current name when it was transferred to genus Rheubarbariboletus in 2015.
Taxonomy
French naturalist Lucien Quélet described this speci... | Rheubarbariboletus armeniacus | Biology | 706 |
31,941,424 | https://en.wikipedia.org/wiki/Suicide%20bidding | Suicide bidding is a response to a tendering exercise in which a potential supplier, anxious to win business, submits a proposal to carry out the work for less than it will cost. These procurement processes are typically modelled as reverse sealed-bid auctions with the lowest bid winning.
The motive for such bidding i... | Suicide bidding | Engineering | 309 |
57,596,406 | https://en.wikipedia.org/wiki/Contact-dependent%20growth%20inhibition | Contact-dependent growth inhibition (CDI) is a phenomenon where a bacterial cell may deliver a polymorphic toxin molecule into neighbouring bacterial cells upon direct cell-cell contact, causing growth arrest or cell death.
Discovery
CDI is now a blanket term to describe interbacterial competition that relies on dire... | Contact-dependent growth inhibition | Biology | 1,371 |
22,662,840 | https://en.wikipedia.org/wiki/Australasian%20Journal%20of%20Bone%20%26%20Joint%20Medicine | The Australasian Journal of Bone & Joint Medicine (originally titled the Australasian Journal of Musculoskeletal Medicine) was a periodical presented in the style of a scientific journal, published by Elsevier but established and funded by pharmaceutical company Merck. Publication began in 2002, and the last issue appe... | Australasian Journal of Bone & Joint Medicine | Technology | 369 |
34,119,149 | https://en.wikipedia.org/wiki/Geotechnical%20centrifuge%20modeling | Geotechnical centrifuge modeling is a technique for testing physical scale models of geotechnical engineering systems such as natural and man-made slopes and earth retaining structures and building or bridge foundations.
The scale model is typically constructed in the laboratory and then loaded onto the end of the cen... | Geotechnical centrifuge modeling | Physics,Engineering | 1,655 |
7,965,029 | https://en.wikipedia.org/wiki/Excitation%20table | In electronics design, an excitation table shows the minimum inputs that are necessary to generate a particular next state (in other words, to "excite" it to the next state) when the current state is known. They are similar to truth tables and state tables, but rearrange the data so that the current state and next stat... | Excitation table | Engineering | 308 |
68,887,812 | https://en.wikipedia.org/wiki/Samsung%20Galaxy%20M52%205G | The Samsung Galaxy M52 5G is a mid-range Android smartphone developed by Samsung Electronics as a part of its Galaxy M series. The device was scheduled to be launched on 19 September 2021 in India but the launch event was postponed to 28 September 2021. It was unveiled on 24 September 2021. Its key features are Qualcom... | Samsung Galaxy M52 5G | Technology | 704 |
5,644,032 | https://en.wikipedia.org/wiki/Earth-centered%2C%20Earth-fixed%20coordinate%20system | The Earth-centered, Earth-fixed coordinate system (acronym ECEF), also known as the geocentric coordinate system, is a cartesian spatial reference system that represents locations in the vicinity of the Earth (including its surface, interior, atmosphere, and surrounding outer space) as X, Y, and Z measurements from its... | Earth-centered, Earth-fixed coordinate system | Astronomy,Mathematics,Technology,Engineering | 1,016 |
77,126,298 | https://en.wikipedia.org/wiki/Seamus%20Martin%20%28biochemist%29 | Seamus J. Martin is an Irish molecular biologist and immunologist working at The Smurfit Institute of Genetics in Trinity College Dublin. Since 1999, he has held the Smurfit Chair of Medical Genetics at Trinity College Dublin, and his research focuses on the links between cell death, cell stress, and inflammation. Mart... | Seamus Martin (biochemist) | Chemistry | 1,630 |
66,182,787 | https://en.wikipedia.org/wiki/Surface%20magnon%20polariton | Surface magnon-polaritons (SMPs) are a type of quasiparticle in condensed matter physics. They arise from the coupling of incident electromagnetic (EM) radiations to the magnetic dipole polarization in the surface layers of a solid. Magnons are analogous to other forms of polaritons, such as plasmons and phonons, but r... | Surface magnon polariton | Physics,Chemistry,Materials_science | 220 |
24,982,361 | https://en.wikipedia.org/wiki/Cache%20timing%20attack | Cache timing attacks also known as Cache attacks are a type of side-channel attack that allows attackers to gain information about a system purely by tracking cache access made by the victim system in a shared environment.
References
Side-channel attacks
Web security exploits | Cache timing attack | Technology | 50 |
11,512,390 | https://en.wikipedia.org/wiki/Exobasidium%20burtii | Exobasidium burtii is a species of fungus in the family Exobasidiaceae. It is a plant pathogen.
References
Fungal plant pathogens and diseases
Ustilaginomycotina
Fungi described in 1934
Fungus species
Taxa named by Sanford Myron Zeller | Exobasidium burtii | Biology | 55 |
62,379,588 | https://en.wikipedia.org/wiki/Rotary%20atomizers | Rotary atomizers use a high speed rotating disk, cup or wheel to discharge liquid at high speed to the perimeter, forming a hollow cone spray. The rotational speed controls the drop size. Spray drying and spray painting are the most important and common uses of this technology.
Many industries need to convert a large... | Rotary atomizers | Chemistry,Engineering | 1,745 |
27,997,823 | https://en.wikipedia.org/wiki/Refined%20Bitumen%20Association | The Refined Bitumen Association is the trade association for UK bitumen companies.
History
It was formed in 1968.
Asphalt Industry Alliance
In 2000, it formed the Asphalt Industry Alliance with the Mineral Products Association, based in London. Asphalt is a mixture of bitumen and quarried mineral products, represente... | Refined Bitumen Association | Physics,Chemistry,Engineering | 263 |
34,903,260 | https://en.wikipedia.org/wiki/Animal%20navigation | Animal navigation is the ability of many animals to find their way accurately without maps or instruments. Birds such as the Arctic tern, insects such as the monarch butterfly and fish such as the salmon regularly migrate thousands of miles to and from their breeding grounds, and many other species navigate effectively... | Animal navigation | Physics,Biology | 2,818 |
38,274,928 | https://en.wikipedia.org/wiki/Lambda1%20Phoenicis | {{DISPLAYTITLE:Lambda1 Phoenicis}}
λ1 Phoenicis, Latinized as Lambda1 Phoenicis, is a double star in the southern constellation of Phoenix. It is visible to the naked eye as a faint, white-hued point of light with a combined apparent visual magnitude of 4.76. The system is located approximately 183 light years away fr... | Lambda1 Phoenicis | Astronomy | 222 |
40,066,832 | https://en.wikipedia.org/wiki/Arca%20%28musician%29 | Alejandra Ghersi Rodríguez (born October 14, 1989), known professionally as Arca, is a Venezuelan musician and record producer based in Barcelona, Spain. She initially began releasing music under the name of Nuuro. After attending the Clive Davis Institute of Recorded Music, Ghersi first released the EP Baron Libre (20... | Arca (musician) | Engineering | 3,115 |
206,795 | https://en.wikipedia.org/wiki/The%20Rowland%20Institute%20at%20Harvard | The Rowland Institute at Harvard, formerly the Rowland Institute for Science, was founded by Edwin H. Land (founder of Polaroid Corporation) as a nonprofit, privately endowed basic research organization in 1980. The institute merged with Harvard University on July 1, 2002. The Rowland Institute is dedicated to experime... | The Rowland Institute at Harvard | Technology | 427 |
58,885,083 | https://en.wikipedia.org/wiki/BX%20Andromedae | BX Andromedae (BX And) is an eclipsing binary star in the constellation Andromeda. Its maximum apparent visual magnitude is 8.87. Within a cycle of approximately 14.6 hours, the brightness drops down to a magnitude of 9.53 during the main eclipse, and to a magnitude of 9.12 during the secondary one. It is classified as... | BX Andromedae | Astronomy | 447 |
1,406,474 | https://en.wikipedia.org/wiki/Acetic%20anhydride | Acetic anhydride, or ethanoic anhydride, is the chemical compound with the formula . Commonly abbreviated , it is the simplest isolable anhydride of a carboxylic acid and is widely used as a reagent in organic synthesis. It is a colorless liquid that smells strongly of acetic acid, which is formed by its reaction with ... | Acetic anhydride | Chemistry | 1,309 |
2,919,807 | https://en.wikipedia.org/wiki/Spent%20fuel%20pool | Spent fuel pools (SFP) are storage pools (or "ponds" in the United Kingdom) for spent fuel from nuclear reactors. They are typically 40 or more feet (12 m) deep, with the bottom 14 feet (4.3 m) equipped with storage racks designed to hold fuel assemblies removed from reactors. A reactor's local pool is specially design... | Spent fuel pool | Chemistry,Technology,Engineering | 1,380 |
8,951,529 | https://en.wikipedia.org/wiki/Frontiers%20%281989%20TV%20series%29 | Frontiers is an eight-part BBC television series, and accompanying book, that explored the geographic boundaries between countries. Eight writers and journalists in a variety of countries investigated the economic, political, geographical and historical reasons that account for why people are divided. The series was ... | Frontiers (1989 TV series) | Physics | 312 |
41,684,206 | https://en.wikipedia.org/wiki/Husab%20Mine | The Husab Mine (formerly the Rössing South Mine), operated under the Husab Uranium Project, is a uranium mine near the town of Swakopmund in the Erongo region of western-central Namibia. The mine is located approximately south of the larger Rössing uranium mine and from Walvis Bay. Swakop Uranium believes the Husab M... | Husab Mine | Engineering | 1,320 |
23,294,843 | https://en.wikipedia.org/wiki/Dixanthogen%20disulfide | Dixanthogen disulfides are a class of organosulfur compounds with the formula . Usually yellow solids, they are the product of the oxidation of xanthate salts. A common derivative is diethyl dixanthogen disulfide. Diisopropyl dixanthogen disulfide is commercially available. They are structurally related to thiuram ... | Dixanthogen disulfide | Chemistry | 227 |
49,088,528 | https://en.wikipedia.org/wiki/Deep%20inspiration%20breath-hold | Deep inspiration breath-hold (DIBH) is a method of delivering radiotherapy while limiting radiation exposure to the heart and lungs. It is used primarily for treating left-sided breast cancer.
The technique involves a patient holding their breath during treatment. In DIBH techniques, treatment is only delivered at cer... | Deep inspiration breath-hold | Physics,Chemistry,Materials_science,Biology | 665 |
1,269,716 | https://en.wikipedia.org/wiki/Meropenem | Meropenem, sold under the brand name Merrem among others, is an intravenous carbapenem antibiotic used to treat a variety of bacterial infections. Some of these include meningitis, intra-abdominal infection, pneumonia, sepsis, and anthrax.
Common side effects include nausea, diarrhea, constipation, headache, rash, and... | Meropenem | Chemistry | 2,357 |
34,712,011 | https://en.wikipedia.org/wiki/Ballistics%20by%20the%20Inch | Ballistics by the Inch (often called BBTI) was a project to test the performance characteristics of a variety of common handgun calibers/cartridges. The initial testing was done in 2008 and tested the velocity of 13 common handgun cartridges as it related to firearm barrel length. In 2009 an additional three calibers... | Ballistics by the Inch | Physics | 1,386 |
63,337 | https://en.wikipedia.org/wiki/Supersaturation | In physical chemistry, supersaturation occurs with a solution when the concentration of a solute exceeds the concentration specified by the value of solubility at equilibrium. Most commonly the term is applied to a solution of a solid in a liquid, but it can also be applied to liquids and gases dissolved in a liquid. A... | Supersaturation | Physics,Chemistry,Mathematics | 1,982 |
5,438,469 | https://en.wikipedia.org/wiki/Desire%20path | A desire path, often referred to as a desire line in transportation planning and also known by various other names, is an unplanned small trail created as a consequence of mechanical erosion caused by human or animal traffic. The path usually represents the shortest or the most easily navigated route between an origin... | Desire path | Engineering | 748 |
23,670,760 | https://en.wikipedia.org/wiki/Lark%20%28person%29 | A lark, early bird, morning person, or (in Scandinavian countries) an A-person, is a person who usually gets up early in the morning and goes to bed early in the evening. The term relates to the birds known as larks, which are known to sing before dawn. Human "larks" tend to feel most energetic just after they get up i... | Lark (person) | Astronomy,Biology | 1,079 |
34,191,584 | https://en.wikipedia.org/wiki/Walter%20Hayman | Walter Kurt Hayman FRS (formerly Haymann; 6 January 1926 – 1 January 2020) was a British mathematician known for contributions to complex analysis. He was a professor at Imperial College London.
Life and work
Hayman was born in Cologne, Germany, the son of Roman law professor Franz Haymann (1874-1947) and Ruth Therese... | Walter Hayman | Mathematics | 544 |
417,652 | https://en.wikipedia.org/wiki/Post-coital%20tristesse | Post-coital tristesse (; PCT), also known as post-coital dysphoria (PCD), is the feeling of sadness, anxiety, agitation or aggression, after orgasm in sexual intercourse or masturbation. Its name comes from Neo-Latin postcoitalis and French tristesse, literally "sadness". Many people with PCT may exhibit strong feeling... | Post-coital tristesse | Biology | 562 |
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