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 |
|---|---|---|---|---|---|
48,707 | https://en.wikipedia.org/wiki/GNU%20Octave | GNU Octave is a scientific programming language for scientific computing and numerical computation. Octave helps in solving linear and nonlinear problems numerically, and for performing other numerical experiments using a language that is mostly compatible with MATLAB. It may also be used as a batch-oriented language. ... | GNU Octave | Mathematics | 2,935 |
22,125,656 | https://en.wikipedia.org/wiki/Strecker%20degradation | The Strecker degradation is a chemical reaction which converts an α-amino acid into an aldehyde containing the side chain, by way of an imine intermediate. It is named after Adolph Strecker, a German chemist.
The original observation by Strecker involved the use of alloxan as the oxidant in the first step, followed by... | Strecker degradation | Chemistry,Biology | 103 |
2,583,733 | https://en.wikipedia.org/wiki/Bridgman%20effect | The Bridgman effect (named after P. W. Bridgman), also called the internal Peltier effect, is a phenomenon that occurs when an electric current passes through an anisotropic crystal – there is an absorption or liberation of heat because of the non-uniformity in current distribution.
The Bridgman effect is observable i... | Bridgman effect | Materials_science | 92 |
2,342,852 | https://en.wikipedia.org/wiki/Aza-Diels%E2%80%93Alder%20reaction | The Aza-Diels–Alder reaction is a modification of the Diels–Alder reaction wherein a nitrogen replaces sp2 carbon. The nitrogen atom can be part of the diene or the dienophile.
Mechanism
The aza Diels-Alder (IDA) reaction may occur either by a concerted or stepwise process. The lowest-energy transition state for the c... | Aza-Diels–Alder reaction | Chemistry | 844 |
1,619,127 | https://en.wikipedia.org/wiki/Shot%20peening | Shot peening is a cold working process used to produce a compressive residual stress layer and modify the mechanical properties of metals and composites. It entails striking a surface with shot (round metallic, glass, or ceramic particles) with force sufficient to create plastic deformation.
In machining, shot peening... | Shot peening | Materials_science | 2,659 |
77,069,742 | https://en.wikipedia.org/wiki/Gower%27s%20distance | In statistics, Gower's distance between two mixed-type objects is a similarity measure that can handle different types of data within the same dataset and is particularly useful in cluster analysis or other multivariate statistical techniques. Data can be binary, ordinal, or continuous variables. It works by normalizin... | Gower's distance | Physics | 342 |
23,633,964 | https://en.wikipedia.org/wiki/Screen%20reading | Screen reading is the act of reading a text on a computer screen, smartphone, e-book reader,
Discovery
Louis Émile Javal, a French ophthalmologist and founder of an ophthalmology laboratory in Paris is credited with the introduction of the term saccades into eye movement research. Javal discovered that while reading,... | Screen reading | Engineering | 1,228 |
12,076,921 | https://en.wikipedia.org/wiki/Water-repellent%20glass | Water-repellent glass (WRG) is a transparent coating film fabricated onto glass, enabling the glass to exhibit hydrophobicity and durability. WRGs are often manufactured out of materials including derivatives from per- and polyfluoroalkyl substances (PFAS), tetraethylorthosilicate (TEOS), polydimethylsilicone (PDMS), a... | Water-repellent glass | Chemistry | 1,493 |
37,871,496 | https://en.wikipedia.org/wiki/Giovanni%20Roncagli | Giovanni Roncagli (1857–1929) was an Italian naval officer and hydrographer.
Biography
Roncagli was born in 1857.
He enlisted in the navy in 1875, attending the Royal Naval School of Naples.
In his biography Vita di mare he tells of his early career, at a time when sailing ships were only slowly being replaced by stea... | Giovanni Roncagli | Environmental_science | 270 |
54,637,700 | https://en.wikipedia.org/wiki/Teknomo%E2%80%93Fernandez%20algorithm | The Teknomo–Fernandez algorithm (TF algorithm), is an efficient algorithm for generating the background image of a given video sequence.
By assuming that the background image is shown in the majority of the video, the algorithm is able to generate a good background image of a video in -time using only a small number o... | Teknomo–Fernandez algorithm | Mathematics,Engineering | 1,016 |
32,115,510 | https://en.wikipedia.org/wiki/Arginine%20repressor%20ArgR | In molecular biology, the arginine repressor (ArgR) is a repressor of prokaryotic arginine deiminase pathways.
The arginine dihydrolase (AD) pathway is found in many prokaryotes and some eukaryotes, an example of the latter being Giardia lamblia (Giardia intestinalis). The three-enzyme anaerobic pathway breaks down L-... | Arginine repressor ArgR | Biology | 357 |
42,304,791 | https://en.wikipedia.org/wiki/Green%20Party%20Korea | Green Party Korea is a political party in South Korea. The party was established in March 2012. It is a continuation of the Korea Greens, created following initial discussions in 2011. The party was established in response to the Fukushima Nuclear Crisis of Japan. Green Party Korea is a member of the Global Greens and ... | Green Party Korea | Engineering | 633 |
189,726 | https://en.wikipedia.org/wiki/Java%20APIs%20for%20Integrated%20Networks | Java APIs for Integrated Networks (JAIN) is an activity within the Java Community Process, developing APIs for the creation of telephony (voice and data) services. Originally, JAIN stood for Java APIs for Intelligent Network. The name was later changed to Java APIs for Integrated Networks to reflect the widening scope ... | Java APIs for Integrated Networks | Technology | 578 |
71,242,004 | https://en.wikipedia.org/wiki/Wiliot | Wiliot is a startup company developing Internet of Things technology for supply-chains and asset management, founded in 2017 and based in Caesarea, Israel, with customer operations in San Diego, US.
Wiliot develops battery-free printable sensor tags to monitor products like groceries, apparel and pharmaceuticals from ... | Wiliot | Technology | 762 |
52,638,014 | https://en.wikipedia.org/wiki/R-U-Dead-Yet | R.U.D.Y., short for R U Dead Yet, is an acronym used to describe a Denial of Service (DoS) tool used by hackers to perform slow-rate a.k.a. “Low and slow” attacks by directing long form fields to the targeted server. It is known to have an interactive console, thus making it a user-friendly tool. It opens fewer connect... | R-U-Dead-Yet | Technology | 360 |
32,494,671 | https://en.wikipedia.org/wiki/Capsulan | Capsulan is the exopolysaccharide which makes up the thick capsule surrounding the unicellular alga Prasinococcus capsulatus.
Extraction
Capsulan is extracted from cell cultures of P. capsulatus using the French press method to burst the cells. Alternatively the cells may be boiled.
Composition
Capsulan has been foun... | Capsulan | Chemistry | 203 |
77,423,022 | https://en.wikipedia.org/wiki/NGC%205508 | NGC 5508 is a very large and distant spiral galaxy located in the constellation Boötes. Its velocity relative to the cosmic microwave background is 11,615 ± 15 km/s, which corresponds to a Hubble's law of 171 ± 12 Mpc (∼558 million light-years). It was discovered by French astronomer Édouard Stephan in 1882.
This ... | NGC 5508 | Astronomy | 281 |
29,062,023 | https://en.wikipedia.org/wiki/List%20of%20ancient%20woods%20in%20England | This list of ancient woods in England contains areas of ancient woodland in England larger than . The list is arranged alphabetically by ceremonial county.
Natural England lists 53,636 ancient woodlands in its database , comprising 39,223 ancient and semi-natural woodlands (ASNW), 14,339 ancient replanted woodlands (P... | List of ancient woods in England | Biology | 2,054 |
13,244,136 | https://en.wikipedia.org/wiki/World%20Rainforest%20Movement | The World Rainforest Movement (WRM) is an international initiative created to strengthen the global movement in defense of forests, in order to fight deforestation and forest degradation. It was founded in 1986 by activists from around the world.
WRM believes that this goal can only be achieved by fighting for social ... | World Rainforest Movement | Biology | 716 |
60,100,869 | https://en.wikipedia.org/wiki/NGC%204294 | NGC 4294 is a barred spiral galaxy with flocculent spiral arms located about 55 million light-years away in the constellation Virgo. The galaxy was discovered by astronomer William Herschel on March 15, 1784 and is a member of the Virgo Cluster.
NGC 4294 appears to be undergoing ram-pressure stripping edge-on.
Physic... | NGC 4294 | Astronomy | 395 |
1,342,447 | https://en.wikipedia.org/wiki/Eye%20drop | Eye drops or eyedrops are liquid drops applied directly to the surface of the eye usually in small amounts such as a single drop or a few drops. Eye drops usually contain saline to match the salinity of the eye. Drops containing only saline and sometimes a lubricant are often used as artificial tears to treat dry eyes... | Eye drop | Chemistry | 1,394 |
2,134,103 | https://en.wikipedia.org/wiki/Periodic%20acid | Periodic acid ( ) is the highest oxoacid of iodine, in which the iodine exists in oxidation state +7. It can exist in two forms: orthoperiodic acid, with the chemical formula , and metaperiodic acid, which has the formula .
Periodic acid was discovered by Heinrich Gustav Magnus and C. F. Ammermüller in 1833.
Synthesi... | Periodic acid | Chemistry | 828 |
75,041,845 | https://en.wikipedia.org/wiki/Tremella%20imshaugiae | Tremella imshaugiae, is a lichenicolous (lichen-dwelling) fungus that is parasitic on the lichen Imshaugia aleurites.
It is a species of Basidiomycota belonging to the family Tremellaceae.
Description
The fungus is typically found on the thallus of Imshaugia aleurites with an amber-colored fruiting bodies 0.1–1 mm in... | Tremella imshaugiae | Biology | 301 |
23,450,595 | https://en.wikipedia.org/wiki/350.org | 350.org is an international environmental organization addressing the climate crisis. Its stated goal is to end the use of fossil fuels and transition to renewable energy by building a global, grassroots movement.
The 350 in the name stands for 350 parts per million (ppm) of carbon dioxide (), which has been identifie... | 350.org | Chemistry | 3,394 |
65,888 | https://en.wikipedia.org/wiki/Electromagnetic%20induction | Electromagnetic or magnetic induction is the production of an electromotive force (emf) across an electrical conductor in a changing magnetic field.
Michael Faraday is generally credited with the discovery of induction in 1831, and James Clerk Maxwell mathematically described it as Faraday's law of induction. Lenz's l... | Electromagnetic induction | Physics,Mathematics | 2,596 |
7,382,070 | https://en.wikipedia.org/wiki/Hourman%20%28Rex%20Tyler%29 | Hourman (Rex Tyler) is a fictional superhero appearing in comics published by DC Comics. He is known as the original Hourman (spelled Hour-Man in his earliest appearances, also referred to as The Hour-Man, and The Hourman). He was created by writer Ken Fitch and artist Bernard Baily in Adventure Comics #48 (April 1940)... | Hourman (Rex Tyler) | Chemistry | 1,339 |
58,946,850 | https://en.wikipedia.org/wiki/NGC%20681 |
NGC 681 is an intermediate spiral galaxy in the constellation of Cetus, located approximately 66.5 million light-years from Earth.
NGC 681 is a member of the MCG -02-05-053 group (also known as LGG 33), which contains four galaxies, including NGC 701 and IC 1738.
Observation history
NGC 681 was discovered by the ... | NGC 681 | Astronomy | 454 |
17,519,721 | https://en.wikipedia.org/wiki/Entropic%20vector | The entropic vector or entropic function is a concept arising in information theory. It represents the possible values of Shannon's information entropy that subsets of one set of random variables may take. Understanding which vectors are entropic is a way to represent all possible inequalities between entropies of vari... | Entropic vector | Mathematics,Technology,Engineering | 1,466 |
31,853,491 | https://en.wikipedia.org/wiki/Horticultural%20building%20system | Horticultural Building Systems are defined as the instance where vegetation and an architectural/architectonic system exist in a mutually defined and intentionally designed relationship that supports plant growth and an architectonic concept. The most common form of these systems in contemporary vernacular is green wal... | Horticultural building system | Engineering | 268 |
2,618,270 | https://en.wikipedia.org/wiki/Gravitational%20instanton | In mathematical physics and differential geometry, a gravitational instanton is a four-dimensional complete Riemannian manifold satisfying the vacuum Einstein equations. They are so named because they are analogues in quantum theories of gravity of instantons in Yang–Mills theory. In accordance with this analogy with s... | Gravitational instanton | Physics,Mathematics | 1,860 |
2,760,182 | https://en.wikipedia.org/wiki/Tau%20Eridani | Tau Eridani (τ Eridani, τ Eri) is a group of fairly widely scattered stars in the constellation Eridanus.
τ1 Eridani (1 Eridani)
τ2 Eridani (2 Eridani)
τ3 Eridani (11 Eridani)
τ4 Eridani (16 Eridani)
τ5 Eridani (19 Eridani)
τ6 Eridani (27 Eridani)
τ7 Eridani (28 Eridani)
τ8 Eridani (33 Eridani)
τ9 Eridani (36... | Tau Eridani | Astronomy | 177 |
31,207,598 | https://en.wikipedia.org/wiki/Algophagy | Algophagy is a feeding behaviour whereby an animal eats algae as a food source. Algae is a group of photosynthetic organisms that mostly rely on aquatic environments. They grow low to the ground as they lack vascular tissue, an adaptation postdating their origin. While the group of algal species is large, it is general... | Algophagy | Biology | 1,328 |
1,047,605 | https://en.wikipedia.org/wiki/Recursive%20definition | In mathematics and computer science, a recursive definition, or inductive definition, is used to define the elements in a set in terms of other elements in the set (Aczel 1977:740ff). Some examples of recursively-definable objects include factorials, natural numbers, Fibonacci numbers, and the Cantor ternary set.
A re... | Recursive definition | Mathematics | 1,559 |
6,866,874 | https://en.wikipedia.org/wiki/Powder%20of%20sympathy | Powder of sympathy was a form of early pseudoscientific navigation and alchemy, in the 17th century in Europe, whereby a remedy was applied to the weapon that had caused a wound with the aim of healing the injury it had made. Weapon salve was a preparation, again applied to the weapon, but based on material from the wo... | Powder of sympathy | Chemistry | 356 |
306,081 | https://en.wikipedia.org/wiki/Biochemist | Biochemists are scientists who are trained in biochemistry. They study chemical processes and chemical transformations in living organisms. Biochemists study DNA, proteins and cell parts. The word "biochemist" is a portmanteau of "biological chemist."
Biochemists also research how certain chemical reactions happen in ... | Biochemist | Chemistry,Biology | 1,273 |
644,485 | https://en.wikipedia.org/wiki/BALANCE%20Act | The Benefit Authors without Limiting Advancement or Net Consumer Expectations (BALANCE) Act of 2003 was a bill that would've amended Title 17 of the United States Code, "to safeguard the rights and expectations of consumers who lawfully obtain digital entertainment." The bill was proposed in the 108th Congress as H.R.... | BALANCE Act | Technology | 155 |
77,727,764 | https://en.wikipedia.org/wiki/4-HO-TMT | 4-HO-TMT, or 4-OH-TMT, also known as 4-hydroxy-N,N,N-trimethyltryptammonium or as dephosphorylated aeruginascin, is a substituted tryptamine derivative and the active form of aeruginascin (4-PO-TMT), analogously to how psilocin (4-HO-DMT) is the active form of psilocybin (4-PO-DMT). 4-HO-TMT is closely related to bufot... | 4-HO-TMT | Chemistry | 579 |
21,109,488 | https://en.wikipedia.org/wiki/Minimum%20ignition%20energy | The minimum ignition energy (MIE) is a safety characteristic in explosion protection and prevention which determines the ignition capability of fuel-air mixtures, where the fuel may be combustible vapor, gas or dust. It is defined as the minimum electrical energy stored in a capacitor, which, when discharged, is suffi... | Minimum ignition energy | Chemistry | 142 |
12,535,065 | https://en.wikipedia.org/wiki/Wildlife%20of%20Mali | The wildlife of Mali, composed of its flora and fauna, is widely varying from the Saharan desert zone (covering about 33% of the country) to the Sahelian east–west zone, to Mali, a landlocked francophone country in North Africa; large swathes of Mali remain unpopulated but has three sub-equal vegetation zones; the coun... | Wildlife of Mali | Biology | 3,960 |
6,055,645 | https://en.wikipedia.org/wiki/Phosphoribosyl%20pyrophosphate | Phosphoribosyl pyrophosphate (PRPP) is a pentose phosphate. It is a biochemical intermediate in the formation of purine nucleotides via inosine-5-monophosphate, as well as in pyrimidine nucleotide formation. Hence it is a building block for DNA and RNA. The vitamins thiamine and cobalamin, and the amino acid tryptophan... | Phosphoribosyl pyrophosphate | Chemistry | 435 |
3,733,920 | https://en.wikipedia.org/wiki/Program%20comprehension | Program comprehension (also program understanding or [source] code comprehension) is a domain of computer science concerned with the ways software engineers maintain existing source code. The cognitive and other processes involved are identified and studied. The results are used to develop tools and training.
Sof... | Program comprehension | Technology,Engineering | 157 |
456,781 | https://en.wikipedia.org/wiki/Bruck%E2%80%93Ryser%E2%80%93Chowla%20theorem | The Bruck–Ryser–Chowla theorem is a result on the combinatorics of block designs that implies nonexistence of certain kinds of design. It states that if a (v, b, r, k, λ)-design exists with v = b (a symmetric block design), then:
if v is even, then k − λ is a square;
if v is odd, then the following Diophantine equat... | Bruck–Ryser–Chowla theorem | Mathematics | 564 |
55,332,942 | https://en.wikipedia.org/wiki/Ceriporia%20purpurea | Ceriporia purpurea is a species of crust fungus in the family Irpicaceae. It was first described by Swedish mycologist Elias Magnus Fries in 1821 as Polyporus purpureus. Marinus Anton Donk gave the fungus its current name when he transferred it to the genus Ceriporia in 1971.
A 2016 study identified six similar Ceripo... | Ceriporia purpurea | Biology | 202 |
34,106,536 | https://en.wikipedia.org/wiki/Karlino%20oil%20eruption | The Karlino oil eruption was an oil well blowout that took place on 9 December 1980, near Karlino, a town located in Pomerania in northern Poland, near the Baltic Sea coast. The eruption and the fire that followed it put an end to the hope of Poland becoming a "second Kuwait". It took more than a month for Polish, Sovi... | Karlino oil eruption | Technology,Engineering | 1,432 |
46,308,607 | https://en.wikipedia.org/wiki/Design%20fiction | Design fiction is a design practice aiming at exploring and criticising possible futures by creating speculative, and often provocative, scenarios narrated through designed artifacts. It is a way to facilitate and foster debates, as explained by futurist Scott Smith: "... design fiction as a communication and social ob... | Design fiction | Technology,Engineering | 2,221 |
63,967,359 | https://en.wikipedia.org/wiki/Peninsular%20Malaysian%20rain%20forests | The Peninsular Malaysian rain forests is an ecoregion on the Malay Peninsula and adjacent islands. It is in the tropical and subtropical moist broadleaf forests biome.
Geography
The ecoregion covers most of the southern Malay Peninsula in Malaysia and southern Thailand, and extends southwards to Singapore, the Riau Ar... | Peninsular Malaysian rain forests | Biology | 750 |
71,232,367 | https://en.wikipedia.org/wiki/Moty%20Heiblum | Mordehai "Moty" Heiblum (Hebrew: מוטי הייבלום – sometimes called Moti Heiblum, born May 25, 1947, in Holon) is an Israeli electrical engineer and condensed matter physicist, known for his research in mesoscopic physics.
Biography
Moty Heiblum was born and raised in Holon. His mother was the only Holocaust survivor in ... | Moty Heiblum | Physics,Materials_science | 1,005 |
63,842,993 | https://en.wikipedia.org/wiki/Economics%20of%20vaccines | Vaccine development and production is economically complex and prone to market failure. Development is unprofitable in rich and poor countries, and is done with public funding. Production is concentrated in the hands of a small number of powerful companies which acquire key legal monopolies and make very large profits.... | Economics of vaccines | Biology | 1,793 |
54,512,835 | https://en.wikipedia.org/wiki/NGC%205011 | NGC 5011 is an elliptical galaxy in the constellation of Centaurus. It was discovered on 3 June 1834 by John Herschel. It was described as "pretty bright, considerably small, round, among 4 stars" by John Louis Emil Dreyer, the compiler of the New General Catalogue.
Optical companions
Several galaxies are not physical... | NGC 5011 | Astronomy | 223 |
2,941,579 | https://en.wikipedia.org/wiki/Sergei%20Pankejeff | Sergei Konstantinovitch Pankejeff (; 24 December 1886 – 7 May 1979) was a Russian aristocrat from Odesa, Russian Empire. Pankejeff is best known for being a patient of Sigmund Freud, who gave him the pseudonym of Wolf Man (German: der Wolfsmann) to protect his identity, after a dream Pankejeff had of a tree full of whi... | Sergei Pankejeff | Biology | 2,974 |
49,550,577 | https://en.wikipedia.org/wiki/Frontiers%20of%20Architectural%20Research | Frontiers of Architectural Research is a quarterly peer-reviewed open access academic journal covering the field of architecture, including architectural design and theory, architectural science and technology, urban planning, landscape architecture, existing building renovation and architectural heritage conservation.... | Frontiers of Architectural Research | Engineering | 137 |
4,721,938 | https://en.wikipedia.org/wiki/Variable%20air%20volume | Variable air volume (VAV) is a type of heating, ventilating, and/or air-conditioning (HVAC) system. Unlike constant air volume (CAV) systems, which supply a constant airflow at a variable temperature, VAV systems vary the airflow at a constant or varying temperature. The advantages of VAV systems over constant-volume ... | Variable air volume | Physics,Engineering | 1,569 |
25,665,872 | https://en.wikipedia.org/wiki/C20H26O3 | {{DISPLAYTITLE:C20H26O3}}
The molecular formula C20H26O3 may refer to:
Crotogoudin
Cyclotriol
Estradiol acetate (EA)
Estradiol 17β-acetate
Gestadienol
Kahweol
Molecular formulas | C20H26O3 | Physics,Chemistry | 65 |
36,950,793 | https://en.wikipedia.org/wiki/Construction%20of%20a%20complex%20null%20tetrad | Calculations in the Newman–Penrose (NP) formalism of general relativity normally begin with the construction of a complex null tetrad , where is a pair of real null vectors and is a pair of complex null vectors. These tetrad vectors respect the following normalization and metric conditions assuming the spacetime sign... | Construction of a complex null tetrad | Physics | 1,458 |
8,844,844 | https://en.wikipedia.org/wiki/Intuitor | Intuitor is a website promoting creative learning as both a method of enlightenment and a cultural theme in its own right. Created in 1996, two of its earliest features were instructions for the founder's own four-handed chess variant Forchess and an essay entitled Why Now Is the Most Exciting Time in History to Be Al... | Intuitor | Technology | 288 |
16,853,729 | https://en.wikipedia.org/wiki/Drydock%20Number%20One%2C%20Norfolk%20Naval%20Shipyard | Drydock Number One is the oldest operational drydock facility in the United States. Located in Norfolk Naval Shipyard in Portsmouth, Virginia, it was put into service in 1834, and has been in service since then. Its history includes the refitting of , which was modified to be the Confederate Navy ironclad . It was de... | Drydock Number One, Norfolk Naval Shipyard | Engineering | 491 |
757,269 | https://en.wikipedia.org/wiki/Water%20filter | A water filter removes impurities by lowering contamination of water using a fine physical barrier, a chemical process, or a biological process. Filters cleanse water to different extents, for purposes such as: providing agricultural irrigation, accessible drinking water, public and private aquariums, and the safe use ... | Water filter | Chemistry | 1,681 |
3,264,380 | https://en.wikipedia.org/wiki/Bacterial%20translation | Bacterial translation is the process by which messenger RNA is translated into proteins in bacteria.
Initiation
Initiation of translation in bacteria involves the assembly of the components of the translation system, which are: the two ribosomal subunits (50S and 30S subunits); the mature mRNA to be translated; the tR... | Bacterial translation | Chemistry,Biology | 2,530 |
496,670 | https://en.wikipedia.org/wiki/Gibberellin | Gibberellins (GAs) are plant hormones that regulate various developmental processes, including stem elongation, germination, dormancy, flowering, flower development, and leaf and fruit senescence. They are one of the longest-known classes of plant hormone. It is thought that the selective breeding (albeit unconscious) ... | Gibberellin | Biology | 3,286 |
40,351,046 | https://en.wikipedia.org/wiki/Clinical%20physiology | Clinical physiology is an academic discipline within the medical sciences and a clinical medical specialty for physicians in the health care systems of Sweden, Denmark, Portugal and Finland. Clinical physiology is characterized as a branch of physiology that uses a functional approach to understand the pathophysiology ... | Clinical physiology | Biology | 838 |
492,171 | https://en.wikipedia.org/wiki/Video4Linux | Video4Linux (V4L for short) is a collection of device drivers and an API for supporting realtime video capture on Linux systems. It supports many USB webcams, TV tuners, and related devices, standardizing their output, so programmers can easily add video support to their applications.
Video4Linux is responsible for cr... | Video4Linux | Technology | 662 |
56,956,160 | https://en.wikipedia.org/wiki/HCTU | HCTU is an amidinium coupling reagent used in peptide synthesis. It is analogous to HBTU. The HOBt moiety has a chlorine in the 6 position which improves reaction rates and the synthesis of difficult couplings HCTU and related reagents containing the 6-chloro-1-hydroxybenzotriazole moiety can be prepared by reaction w... | HCTU | Chemistry,Biology | 223 |
70,607,660 | https://en.wikipedia.org/wiki/Phalaenopsis%20%C3%97%20leucorrhoda | Phalaenopsis × leucorrhoda is a species of orchid native to the Philippines. It is a natural hybrid of Phalaenopsis aphrodite and Phalaenopsis schilleriana.
Etymology
The specific epithet leucorrhoda, composed of leuco meaning white and rhodo meaning rose-coloured, is derived from the floral colouration.
Taxonomy
It ... | Phalaenopsis × leucorrhoda | Biology | 141 |
2,336,205 | https://en.wikipedia.org/wiki/Hilbert%27s%20fifteenth%20problem | Hilbert's fifteenth problem is one of the 23 Hilbert problems set out in a list compiled in 1900 by David Hilbert. The problem is to put Schubert's enumerative calculus on a rigorous foundation.
Introduction
Schubert calculus is the intersection theory of the 19th century, together with applications to enumerative g... | Hilbert's fifteenth problem | Mathematics | 683 |
22,488,181 | https://en.wikipedia.org/wiki/Gautieria%20graveolens | Gautieria graveolens is a species of hypogeal fungus in the family Gomphaceae.
References
Gomphaceae
Fungus species | Gautieria graveolens | Biology | 32 |
4,725,226 | https://en.wikipedia.org/wiki/Frege%27s%20theorem | In metalogic and metamathematics, Frege's theorem is a metatheorem that states that the Peano axioms of arithmetic can be derived in second-order logic from Hume's principle. It was first proven, informally, by Gottlob Frege in his 1884 Die Grundlagen der Arithmetik (The Foundations of Arithmetic) and proven more forma... | Frege's theorem | Mathematics | 710 |
41,927,524 | https://en.wikipedia.org/wiki/Ascosphaera%20callicarpa | Ascosphaera callicarpa is a fungus common on the larval feces of the solitary bee Chelostoma florisomne, which nests in the Phragmites reeds of thatched roofs in Europe.
Pathogenic Ascosphaera species afflict only the larval stage of bees. Typically, diseased larvae die in the larval stage; in rare occurrences, howeve... | Ascosphaera callicarpa | Biology | 513 |
14,367,845 | https://en.wikipedia.org/wiki/Xenobiotic%20metabolism | Xenobiotic metabolism (from the Greek xenos "stranger" and biotic "related to living beings") is the set of metabolic pathways that modify the chemical structure of xenobiotics, which are compounds foreign to an organism's normal biochemistry, such as drugs and poisons. These pathways are a form of biotransformation p... | Xenobiotic metabolism | Chemistry,Biology | 1,848 |
24,722,548 | https://en.wikipedia.org/wiki/Mi%27kma%27ki | Mi'kma'ki or Mi'gma'gi is composed of the traditional and current territories, or country, of the Mi'kmaq people, in what is now Nova Scotia, New Brunswick, Prince Edward Island, and eastern Quebec, Canada. It is shared by an inter-Nation forum among Mi'kmaq First Nations and is divided into seven geographical and trad... | Mi'kma'ki | Environmental_science | 982 |
76,393,797 | https://en.wikipedia.org/wiki/Holmium%20iodate | Holmium iodate is an inorganic compound with the chemical formula Ho(IO3)3. It can be obtained by reacting holmium periodate and periodic acid in water at 170 °C. Its solubility in water is 1.162±0.001 (25 °C, 103 mol·dm−3). Adding ethanol or methanol to water will reduce the solubility.
References
Holmium compounds
... | Holmium iodate | Chemistry | 89 |
1,020,602 | https://en.wikipedia.org/wiki/Lucida | Lucida (pronunciation: ) is an extended family of related typefaces designed by Charles Bigelow and Kris Holmes and released from 1984 onwards. The family is intended to be extremely legible when printed at small size or displayed on a low-resolution display – hence the name, from 'lucid' (clear or easy to understand).... | Lucida | Mathematics | 1,875 |
75,704,957 | https://en.wikipedia.org/wiki/Concepci%C3%B3n%20Campa%20Huergo | Concepción Campa Huergo (born 1951) is a Cuban medical researcher. She was the lead scientist in the development of VA-MENGOC-BC, the first vaccine against meningitis B, in 1989. For this work she received the World Intellectual Property Organization gold medal. She was subsequently elected to the 5th Politburo of the ... | Concepción Campa Huergo | Biology | 90 |
521,787 | https://en.wikipedia.org/wiki/Von%20Karman%20Institute%20for%20Fluid%20Dynamics | The von Karman Institute for Fluid Dynamics (VKI) is a non-profit educational and scientific organization which specializes in three specific fields: aeronautics and aerospace, environment and applied fluid dynamics, turbomachinery and propulsion. Founded in 1956, it is located in Sint-Genesius-Rode, Belgium.
About
T... | Von Karman Institute for Fluid Dynamics | Engineering | 1,302 |
43,357,824 | https://en.wikipedia.org/wiki/Bacoside | Bacosides are a class of chemical compounds isolated from Bacopa monnieri. Chemically, they are dammarane-type triterpenoid saponins.
There are at least twelve known members of the class.
See also
Bacoside A
References
Saponins
Triterpene glycosides | Bacoside | Chemistry | 67 |
6,495,416 | https://en.wikipedia.org/wiki/Incompressible%20string | An incompressible string is a string with Kolmogorov complexity equal to its length, so that it has no shorter encodings. The pigeonhole principle can be used to be prove that for any lossless compression algorithm, there must exist many incompressible strings.
Example
Suppose we have the string 12349999123499991234,... | Incompressible string | Mathematics,Technology | 400 |
10,109,173 | https://en.wikipedia.org/wiki/Secondary%20crater | Secondary craters are impact craters formed by the ejecta that was thrown out of a larger crater. They sometimes form radial crater chains. In addition, secondary craters are often seen as clusters or rays surrounding primary craters. The study of secondary craters exploded around the mid-twentieth century when researc... | Secondary crater | Astronomy | 1,674 |
768,795 | https://en.wikipedia.org/wiki/Escalade | Escalade is the act of scaling defensive walls or ramparts with the aid of ladders. Escalade was a prominent feature of sieges in ancient and medieval warfare. Although no longer common in modern warfare, escalade technologies are still developed and used in certain tactical applications.
Overview
Escalade consists o... | Escalade | Engineering | 767 |
1,790,788 | https://en.wikipedia.org/wiki/History%20of%20special%20relativity | The history of special relativity consists of many theoretical results and empirical findings obtained by Albert A. Michelson, Hendrik Lorentz, Henri Poincaré and others. It culminated in the theory of special relativity proposed by Albert Einstein and subsequent work of Max Planck, Hermann Minkowski and others.
Intro... | History of special relativity | Physics | 14,258 |
69,494,736 | https://en.wikipedia.org/wiki/Aluminium%20phenolate | Aluminium phenolate is the metalloorganic compound with the formula [Al(OC6H5)3]n. It is a white solid. 27Al NMR studies suggest that aluminium phenolate exists in benzene solution as a mixture of dimer and trimer. The compound is can be prepared by the reaction of elemental aluminium with phenol:
Al + 3 HOC6H5 →... | Aluminium phenolate | Chemistry | 171 |
5,797,666 | https://en.wikipedia.org/wiki/Heirs%20of%20Alexandria%20series | Heirs of Alexandria is an alternate history/historical fantasy series introduced in 2002 and set primarily in the Republic of Venice in the 1530s. The books are written by three authors, Mercedes Lackey, Eric Flint and Dave Freer. The books combine elements from the styles of all three authors, such as Lackey's approac... | Heirs of Alexandria series | Astronomy | 2,708 |
2,867,718 | https://en.wikipedia.org/wiki/Intrinsically%20disordered%20proteins | In molecular biology, an intrinsically disordered protein (IDP) is a protein that lacks a fixed or ordered three-dimensional structure, typically in the absence of its macromolecular interaction partners, such as other proteins or RNA. IDPs range from fully unstructured to partially structured and include random coil, ... | Intrinsically disordered proteins | Chemistry | 4,326 |
6,703,481 | https://en.wikipedia.org/wiki/Minkowski%20Prize | The Minkowski Prize is given by the European Association for the Study of Diabetes (EASD) in recognition to research which has been carried out by a person normally residing in Europe, as manifested by publications which contribute to the advancement of knowledge concerning diabetes mellitus. The Prize honors the name ... | Minkowski Prize | Technology | 846 |
25,714,707 | https://en.wikipedia.org/wiki/Gustav%20Tornier | Gustav Tornier (Dombrowken (today Dąbrowa Chełmińska, Poland), 9 May 1858 – Berlin, 25 April 1938) was a German zoologist and herpetologist.
Life and career
Tornier was born in the Kingdom of Prussia as the eldest child of Gottlob Adolf Tornier, a member of the Prussian landed gentry in Dombrowken, a village near Brom... | Gustav Tornier | Biology | 1,941 |
71,224,862 | https://en.wikipedia.org/wiki/Biodiversity%20and%20Conservation | Biodiversity and Conservation is a peer-reviewed scientific journal covering all aspects of biological diversity, its conservation, and sustainable use. It was established in 1992 and is published by Springer Science+Business Media.
Abstracting and indexing
The journal is abstracted and indexed in:
AGRICOLA
BIOSIS Pre... | Biodiversity and Conservation | Biology,Environmental_science | 109 |
32,940,598 | https://en.wikipedia.org/wiki/Decimal%20data%20type | Some programming languages (or compilers for them) provide a built-in (primitive) or library decimal data type to represent non-repeating decimal fractions like 0.3 and −1.17 without rounding, and to do arithmetic on them. Examples are the decimal.Decimal or num7.Num type of Python, and analogous types provided by othe... | Decimal data type | Mathematics | 859 |
4,597,562 | https://en.wikipedia.org/wiki/Universal%20extra%20dimensions | In particle physics, models with universal extra dimensions include one or more spatial dimensions beyond the three spatial and one temporal dimensions that are observed.
Overview
Models with universal extra dimensions, studied in 2001 assume that all fields propagate universally in the extra dimensions; in contrast, ... | Universal extra dimensions | Physics | 293 |
1,997,617 | https://en.wikipedia.org/wiki/Information%20security%20audit | An information security audit is an audit of the level of information security in an organization. It is an independent review and examination of system records, activities, and related documents. These audits are intended to improve the level of information security, avoid improper information security designs, and op... | Information security audit | Engineering | 4,519 |
4,039,688 | https://en.wikipedia.org/wiki/Application%20discovery%20and%20understanding | Application discovery and understanding (ADU) is the process of automatically analyzing artifacts of a software application and determining metadata structures associated with the application in the form of lists of data elements and business rules. The relationships discovered between this application and a central m... | Application discovery and understanding | Technology | 412 |
2,254,029 | https://en.wikipedia.org/wiki/Astrophysical%20plasma | Astrophysical plasma is plasma outside of the Solar System. It is studied as part of astrophysics and is commonly observed in space. The accepted view of scientists is that much of the baryonic matter in the universe exists in this state.
When matter becomes sufficiently hot and energetic, it becomes ionized and forms... | Astrophysical plasma | Physics,Astronomy | 447 |
1,243,042 | https://en.wikipedia.org/wiki/Nasal%20spray | Nasal sprays are used to deliver medications locally in the nasal cavities or systemically. They are used locally for conditions such as nasal congestion and allergic rhinitis. In some situations, the nasal delivery route is preferred for systemic therapy because it provides an agreeable alternative to injection or pil... | Nasal spray | Chemistry | 914 |
39,151,935 | https://en.wikipedia.org/wiki/Kepler-69 | Kepler-69 (KOI-172, 2MASS J19330262+4452080, KIC 8692861) is a G-type main-sequence star similar to the Sun in the constellation Cygnus, located about from Earth. On April 18, 2013 it was announced that the star has two planets. Although initial estimates indicated that the terrestrial planet Kepler-69c might be withi... | Kepler-69 | Astronomy | 713 |
7,105,280 | https://en.wikipedia.org/wiki/Handbra | A handbra (also hand bra or hand-bra) is the practice of covering female nipples and areolae with hands or arms. It often is done in compliance with censors' guidelines, public authorities and community standards when female breasts are required to be covered in film or other media. If the arms are used instead of the ... | Handbra | Biology | 996 |
62,770,507 | https://en.wikipedia.org/wiki/List%20of%20chemistry%20awards | This list of chemistry awards is an index to articles about notable awards for chemistry. It includes awards by the Royal Society of Chemistry, the American Chemical Society, the Society of Chemical Industry and awards by other organizations.
Awards of the Royal Society of Chemistry
The Royal Society of the United Ki... | List of chemistry awards | Chemistry,Technology | 147 |
38,334,384 | https://en.wikipedia.org/wiki/Hydrogenase%20%28NAD%2B%2C%20ferredoxin%29 | Hydrogenase (NAD+, ferredoxin) (, bifurcating [FeFe] hydrogenase) is an enzyme with systematic name hydrogen:NAD+, ferredoxin oxidoreductase. This enzyme catalyses the following chemical reaction
2 H2 + NAD+ + 2 oxidized ferredoxin 5 H+ + NADH + 2 reduced ferredoxin
The enzyme from Thermotoga maritima contains a [F... | Hydrogenase (NAD+, ferredoxin) | Chemistry | 122 |
61,170,148 | https://en.wikipedia.org/wiki/C1377H2208N382O442S17 | {{DISPLAYTITLE:C1377H2208N382O442S17}}
The molecular formula C1377H2208N382O442S17 (molar mass: 31731.9 g/mol) may refer to:
Asparaginase
Pegaspargase
Molecular formulas | C1377H2208N382O442S17 | Physics,Chemistry | 72 |
10,939,959 | https://en.wikipedia.org/wiki/Tyler%20poison%20gas%20plot | The Tyler poison gas plot was an American domestic terrorism plan in Tyler, Texas, thwarted in April 2003 with the arrest of three individuals and the seizure of a cyanide gas bomb along with a large arsenal. Authorities had been investigating the white supremacist conspirators for several years and the case received l... | Tyler poison gas plot | Chemistry | 934 |
23,013,515 | https://en.wikipedia.org/wiki/Advances%20in%20Electrical%20and%20Computer%20Engineering | Advances in Electrical and Computer Engineering is a peer-reviewed scientific journal published by the Ștefan cel Mare University of Suceava since 2001. , the editor-in-chief is Adrian Graur. The journal covers research on all aspects of electrical and computer engineering. Extended versions of selected papers presente... | Advances in Electrical and Computer Engineering | Engineering | 155 |
4,937,086 | https://en.wikipedia.org/wiki/Global%20commons | Global commons is a term typically used to describe international, supranational, and global resource domains in which common-pool resources are found. Global commons include the earth's shared natural resources, such as the high oceans, the atmosphere and outer space and the Antarctic in particular. Cyberspace may als... | Global commons | Physics,Environmental_science | 4,042 |
14,025,168 | https://en.wikipedia.org/wiki/Protein-glutamate%20O-methyltransferase | In enzymology, a protein-glutamate O-methyltransferase () is an enzyme that catalyzes the chemical reaction
S-adenosyl-L-methionine + protein L-glutamate S-adenosyl-L-homocysteine + protein L-glutamate methyl ester
Thus, the two substrates of this enzyme are S-adenosyl methionine and protein L-glutamic acid, whereas... | Protein-glutamate O-methyltransferase | Biology | 932 |
2,532,134 | https://en.wikipedia.org/wiki/Methanandamide | Methanandamide (AM-356) is a synthetically created stable chiral analog of anandamide. Its effects have been observed to act on the cannabinoid receptors (specifically on CB1 receptors, which are part of the central nervous system) found in different organisms such as mammals, fish, and certain invertebrates (e.g. Hyd... | Methanandamide | Chemistry,Biology | 89 |
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