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 |
|---|---|---|---|---|---|
11,891,713 | https://en.wikipedia.org/wiki/Gs%20alpha%20subunit | {{DISPLAYTITLE:Gs alpha subunit}}
The Gs alpha subunit (Gαs, Gsα) is a subunit of the heterotrimeric G protein Gs that stimulates the cAMP-dependent pathway by activating adenylyl cyclase. Gsα is a GTPase that functions as a cellular signaling protein.
Gsα is the founding member of one of the four families of heterot... | Gs alpha subunit | Chemistry | 830 |
19,675,479 | https://en.wikipedia.org/wiki/Fractional%20coordinates | In crystallography, a fractional coordinate system (crystal coordinate system) is a coordinate system in which basis vectors used to describe the space are the lattice vectors of a crystal (periodic) pattern. The selection of an origin and a basis define a unit cell, a parallelotope (i.e., generalization of a parallelo... | Fractional coordinates | Physics,Chemistry,Materials_science,Mathematics,Engineering | 1,644 |
40,889,432 | https://en.wikipedia.org/wiki/Leviton%20%28quasiparticle%29 | A leviton is a collective excitation of a single electron within a metal. It has been mostly studied in two-dimensional electron gases alongside quantum point contacts. The main feature is that the excitation produces an electron pulse without the creation of electron holes. The time-dependence of the pulse is describe... | Leviton (quasiparticle) | Physics,Materials_science | 111 |
58,506,604 | https://en.wikipedia.org/wiki/Pharmacy%20Act%201852 | The Pharmacy Act 1852 (15 & 16 Vict. c. 56) was the first legislation in the United Kingdom to regulate pharmacists and druggists.
It set up a register of pharmacists and limited the use of the title to people registered with the Pharmaceutical Society, but proposals to give the society exclusive rights to sell drugs ... | Pharmacy Act 1852 | Chemistry | 114 |
46,842,956 | https://en.wikipedia.org/wiki/Bekker%20numbering | Bekker numbering or Bekker pagination is the standard form of citation to the works of Aristotle. It is based on the page numbers used in the Prussian Academy of Sciences edition of the complete works of Aristotle (1831–1837) and takes its name from the editor of that edition, the classical philologist August Immanuel... | Bekker numbering | Technology | 1,180 |
31,358,428 | https://en.wikipedia.org/wiki/S1%20domain | The S1 domain is a protein domain that was originally identified in ribosomal protein S1 but is found in a large number of RNA-associated proteins. The structure of the S1 RNA-binding domain from the Escherichia coli polynucleotide phosphorylase has been determined using NMR methods and consists of a five-stranded anti... | S1 domain | Biology | 254 |
2,549,893 | https://en.wikipedia.org/wiki/Reaction%20norm | In ecology and genetics, a reaction norm, also called a norm of reaction, describes the pattern of phenotypic expression of a single genotype across a range of environments. One use of reaction norms is in describing how different species—especially related species—respond to varying environments. But differing genot... | Reaction norm | Biology | 895 |
47,439,551 | https://en.wikipedia.org/wiki/Penicillium%20roseopurpureum | Penicillium roseopurpureum is an anamorph species of fungus in the genus Penicillium which produces Carviolin.
References
Further reading
roseopurpureum
Fungi described in 1901
Fungus species | Penicillium roseopurpureum | Biology | 47 |
14,681,729 | https://en.wikipedia.org/wiki/Child%20pyromaniac | A child pyromaniac is a child with an impulse-control disorder that is primarily distinguished by a compulsion to set fires in order to relieve built-up tension. Child pyromania is the rarest form of fire-setting.
Most young children are not diagnosed with pyromania, but rather with conduct disorders. A key feature of... | Child pyromaniac | Chemistry | 1,733 |
19,089,444 | https://en.wikipedia.org/wiki/1988%20British%20International%20Helicopters%20Sikorsky%20S-61N%20crash | G-BEID was a Sikorsky S-61N helicopter of British International Helicopters which made a controlled ditching in the sea northeast of Sumburgh on 13 July 1988 following an engine fire. There were no fatalities.
Accident
The helicopter left the Safe Felicia semi-submersible oil platform in the Forties oilfield at 13:45... | 1988 British International Helicopters Sikorsky S-61N crash | Materials_science | 572 |
24,146,601 | https://en.wikipedia.org/wiki/C22H28O5 | {{DISPLAYTITLE:C22H28O5}}
The molecular formula C22H28O5 may refer to:
Estradiol hemisuccinate (Estradiol succinate)
Isoprednidene
Meprednisone
16α-Methyl-11-oxoprednisolone
Prednylidene
Pyrethrin II | C22H28O5 | Chemistry | 78 |
2,710,775 | https://en.wikipedia.org/wiki/API-TC | API TC is a certification for two-stroke oils, awarded by the American Petroleum Institute. It is given after the product passes through stringent tests that determine the level of detergent performance, dispersion, and anti-oxidation. It is the only remaining, not revoked classification of the API Two-Cycle motor oil ... | API-TC | Physics | 230 |
65,848,187 | https://en.wikipedia.org/wiki/Madagascar%20henipavirus | Madagascar henipavirus (MadV) is a poorly characterized henipavirus type. Currently it has only been detected serologically among Madagascan rousettes. High cross reactivity was observed with Hendra and Nipah henipaviruses.
References
Henipavirus | Madagascar henipavirus | Biology | 61 |
56,711,218 | https://en.wikipedia.org/wiki/Facebook%203D%20Posts | Facebook 3D Posts was a feature on the social networking website Facebook. It was first enabled on October 11, 2017 by introducing a new native 3D media type in Facebook News Feed. Initially the users could only post 3D objects from Oculus Medium and marker drawings from Spaces directly to Facebook as fully interactive... | Facebook 3D Posts | Technology | 376 |
47,597,338 | https://en.wikipedia.org/wiki/Specific%20output | Specific output is a measure of internal combustion engine performance. It describes the efficiency of an engine in terms of the brake horsepower it outputs relative to its displacement. The measure enables the comparison of differently sized engines, and is usually expressed as kilowatts or horsepower per litre or per... | Specific output | Technology | 101 |
645,335 | https://en.wikipedia.org/wiki/Diffusion%20equation | The diffusion equation is a parabolic partial differential equation. In physics, it describes the macroscopic behavior of many micro-particles in Brownian motion, resulting from the random movements and collisions of the particles (see Fick's laws of diffusion). In mathematics, it is related to Markov processes, such ... | Diffusion equation | Physics,Chemistry | 1,526 |
23,681,457 | https://en.wikipedia.org/wiki/NGC%2045 | NGC 45 is a low surface brightness spiral galaxy in the equatorial constellation of Cetus. It was discovered on 11 November 1835 by the English astronomer John Herschel. The galaxy is located at a distance of 22 million light years and is receding with a heliocentric radial velocity of . It is located in the vicinity o... | NGC 45 | Astronomy | 427 |
3,225,759 | https://en.wikipedia.org/wiki/Caryophyllene | Caryophyllene (), more formally (−)-β-caryophyllene (BCP), is a natural bicyclic sesquiterpene that occurs widely in nature. Caryophyllene is notable for having a cyclobutane ring, as well as a trans-double bond in a 9-membered ring, both rarities in nature.
Production
Caryophyllene can be produced synthetically, but... | Caryophyllene | Chemistry | 1,241 |
60,998,202 | https://en.wikipedia.org/wiki/Estradiol%20undecylate/norethisterone%20enanthate | Estradiol undecylate/norethisterone enanthate (EU/NETE) is a combination medication of estradiol undecylate (EU), an estrogen, and norethisterone enanthate (NETE), a progestin, which was developed by Schering for potential use as a combined injectable contraceptive in women but was ultimately never marketed. It contain... | Estradiol undecylate/norethisterone enanthate | Chemistry | 192 |
38,707,099 | https://en.wikipedia.org/wiki/Truncated%20order-7%20heptagonal%20tiling | In geometry, the truncated order-7 heptagonal tiling is a uniform tiling of the hyperbolic plane. It has Schläfli symbol of t0,1{7,7}, constructed from one heptagons and two tetrakaidecagons around every vertex.
Related tilings
See also
Square tiling
Uniform tilings in hyperbolic plane
List of regular polytopes
Refe... | Truncated order-7 heptagonal tiling | Physics | 188 |
4,936,662 | https://en.wikipedia.org/wiki/Vacant%20niche | A vacant niche or empty niche is an ecological niche in a particular ecosystem that is not occupied by a particular species. The issue of what exactly defines a vacant niche and whether they exist in ecosystems is controversial. The subject is intimately tied into a much broader debate on whether ecosystems can reach e... | Vacant niche | Biology | 1,897 |
49,789,079 | https://en.wikipedia.org/wiki/Small%20Maf | Small Maf (musculoaponeurotic fibrosarcoma) proteins are basic region leucine zipper-type transcription factors that can bind to DNA and regulate gene regulation. There are three small Maf (sMaf) proteins, namely MafF, MafG, and MafK, in vertebrates. HUGO Gene Nomenclature Committee (HGNC)-approved gene names of MAFF, ... | Small Maf | Chemistry | 2,214 |
2,296,389 | https://en.wikipedia.org/wiki/223%20%28number%29 | 223 (two hundred [and] twenty-three) is the natural number following 222 and preceding 224.
In mathematics
223 is:
a prime number,
a lucky prime,
a left-truncatable prime, and a left-and-right-truncatable prime.
Among the 720 permutations of the numbers from 1 to 6, exactly 223 of them have the property that at least... | 223 (number) | Mathematics | 165 |
3,773,230 | https://en.wikipedia.org/wiki/Normalized%20difference%20vegetation%20index | The normalized difference vegetation index (NDVI) is a widely-used metric for quantifying the health and density of vegetation using sensor data. It is calculated from spectrometric data at two specific bands: red and near-infrared. The spectrometric data is usually sourced from remote sensors, such as satellites.
The... | Normalized difference vegetation index | Biology | 4,009 |
14,585,748 | https://en.wikipedia.org/wiki/Belongingness | Belongingness is the human emotional need to be an accepted member of a group. Whether it is family, friends, co-workers, a religion, or something else, some people tend to have an 'inherent' desire to belong and be an important part of something greater than themselves. This implies a relationship that is greater than... | Belongingness | Biology | 10,201 |
27,466,687 | https://en.wikipedia.org/wiki/Vulnerability%20database | A vulnerability database (VDB) is a platform aimed at collecting, maintaining, and disseminating information about discovered computer security vulnerabilities. The database will customarily describe the identified vulnerability, assess the potential impact on affected systems, and any workarounds or updates to mitigat... | Vulnerability database | Technology | 1,749 |
54,624,511 | https://en.wikipedia.org/wiki/Sol%C3%A8r%27s%20theorem | In mathematics, Solèr's theorem is a result concerning certain infinite-dimensional vector spaces. It states that any orthomodular form that has an infinite orthonormal set is a Hilbert space over the real numbers, complex numbers or quaternions. Originally proved by Maria Pia Solèr, the result is significant for quant... | Solèr's theorem | Physics,Mathematics | 532 |
5,504,984 | https://en.wikipedia.org/wiki/Legal%20year | The legal year, in English law as well as in some other common law jurisdictions, is the calendar during which the judges sit in court. It is traditionally divided into periods called "terms".
Asia
Hong Kong
Hong Kong's legal year is marked as Ceremonial Opening of the Legal Year with an address by the Chief Justice... | Legal year | Physics | 1,214 |
54,240,905 | https://en.wikipedia.org/wiki/Hollow%20cathode%20effect | The hollow cathode effect allows electrical conduction at a lower voltage or with more current in a cold-cathode gas-discharge lamp when the cathode is a conductive tube open at one end than a similar lamp with a flat cathode. The hollow cathode effect was recognized by Friedrich Paschen in 1916.
In a hollow cathode,... | Hollow cathode effect | Physics,Chemistry | 187 |
77,572,591 | https://en.wikipedia.org/wiki/NGC%205630 | NGC 5630 is a barred spiral galaxy in the constellation of Boötes. Its velocity with respect to the cosmic microwave background is 2826 ± 11 km/s, which corresponds to a Hubble distance of 41.68 ± 2.92 Mpc (∼136 million light-years). It was discovered by German-British astronomer William Herschel on 9 April 1787.
NGC ... | NGC 5630 | Astronomy | 257 |
217,913 | https://en.wikipedia.org/wiki/H%E1%BA%A1%20Long%20Bay | Hạ Long Bay or Halong Bay (, ) is a UNESCO World Heritage Site and popular travel destination in Quảng Ninh province, Vietnam. The name Hạ Long means "descending dragon". Administratively, the bay belongs to Hạ Long city, Cẩm Phả city, and is a part of Vân Đồn district. The bay features thousands of limestone karsts an... | Hạ Long Bay | Chemistry,Biology | 6,720 |
1,730,553 | https://en.wikipedia.org/wiki/Milliradian | A milliradian (SI-symbol mrad, sometimes also abbreviated mil) is an SI derived unit for angular measurement which is defined as a thousandth of a radian (0.001 radian). Milliradians are used in adjustment of firearm sights by adjusting the angle of the sight compared to the barrel (up, down, left, or right). Milliradi... | Milliradian | Materials_science,Mathematics,Engineering | 5,520 |
19,450,493 | https://en.wikipedia.org/wiki/Phason | In physics, a phason is a form of collective excitation found in aperiodic crystal structures. Phasons are a type of quasiparticle: an emergent phenomenon of many-particle systems. The phason can also be seen as a degree of freedom unique to quasicrystals. Similar to phonons, phasons are quasiparticles associated with ... | Phason | Physics,Chemistry,Materials_science,Engineering | 713 |
11,392,572 | https://en.wikipedia.org/wiki/Columbian%20press | The Columbian press is a type of hand-operated printing press invented in the United States by George Clymer, around 1813. Made from cast iron, it was a very successful design and many thousands were made by him and by others during the 19th century. Columbians continued to be made as late as the early-20th century, 90... | Columbian press | Physics,Technology | 1,686 |
53,075,082 | https://en.wikipedia.org/wiki/NGC%20394 | NGC 394 is a lenticular galaxy located in the constellation Pisces. It was discovered on October 26, 1854 by R. J. Mitchell. It was described by Dreyer as "faint, small, 50 arcsec northeast of II 218.", with II 218 being NGC 392.
References
External links
0394
Lenticular galaxies
18541026
Pisces (constellation)
00... | NGC 394 | Astronomy | 84 |
3,257,112 | https://en.wikipedia.org/wiki/High-speed%20multimedia%20radio | High-speed multimedia radio (HSMM) is the implementation of high-speed wireless TCP/IP data networks over amateur radio frequency allocations using commercial off-the-shelf (COTS) hardware such as 802.11 Wi-Fi access points. This is possible because the 802.11 unlicensed frequency bands partially overlap with amateur r... | High-speed multimedia radio | Technology | 3,399 |
22,946,554 | https://en.wikipedia.org/wiki/Project%20commissioning | Project commissioning is the process of ensuring that all systems and components of a building or industrial plant are designed, installed, tested, operated, and maintained according to the owner's or final client's operational requirements. A commissioning process may be applied not only to new projects but also to ex... | Project commissioning | Engineering | 513 |
51,873,022 | https://en.wikipedia.org/wiki/Naomi%20Climer | Naomi Wendy Climer, (born 18 December 1964) is a British engineer who has worked in broadcast, media and communications technology chiefly at the BBC and Sony Professional Solutions, and was the first female President of the Institution of Engineering and Technology (IET). Climer is the co-founder and co-chair of the ... | Naomi Climer | Engineering | 782 |
73,262,813 | https://en.wikipedia.org/wiki/Cystolepiota%20amazonica | Cystolepiota amazonica is a species of mushroom-producing fungus in the family Agaricaceae.
Taxonomy
It was described in 1989 by the German mycologist Rolf Singer who classified it as Cystolepiota amazonica.
Description
Cystolepiota amazonica is a very small brownish mushroom with white flesh.
Cap: 3mm wide and hi... | Cystolepiota amazonica | Biology | 337 |
25,995,029 | https://en.wikipedia.org/wiki/Berberis%20%C3%97%20hortensis | Berberis × hortensis is an interspecific hybrid shrub. Its parents are Berberis oiwakensis (previously known as Mahonia lomariifolia) and Berberis japonica. It was raised in gardens during the 20th century, and has become an important garden and landscape plant.
Description
The hybrids show some variation, but are gen... | Berberis × hortensis | Biology | 489 |
61,828,622 | https://en.wikipedia.org/wiki/Anopodium%20ampullaceum | Anopodium ampullaceum is a species of fungus first discovered by Nils Lundqvist in Sweden, in the year 1964. A. ampullaceum became one of the first few fungi along with Anopodium epile and Podospora dagonerii, to be placed in the new genus Anopodium due to their unique spores that did not suit the description of the sp... | Anopodium ampullaceum | Biology | 945 |
13,795,040 | https://en.wikipedia.org/wiki/Granat | The International Astrophysical Observatory "GRANAT" (usually known as Granat; , lit. pomegranate), was a Soviet (later Russian) space observatory developed in collaboration with France, Denmark and Bulgaria. It was launched on 1 December 1989 aboard a Proton rocket and placed in a highly eccentric four-day orbit, of w... | Granat | Astronomy | 2,111 |
21,906,468 | https://en.wikipedia.org/wiki/Mirror%20%28multimedia%20project%29 | MIRROR is a multimedia project created by Canadian singer-songwriter Thomas Anselmi, former singer for Copyright and Slow. Formed in 2003, the project is based in Los Angeles, California, and Vancouver, British Columbia, Canada.
Album
The Mirror album was released in 2009. It differs from Anselmi's prior punk and alt ... | Mirror (multimedia project) | Technology | 348 |
8,207,052 | https://en.wikipedia.org/wiki/5-HT3%20receptor | {{DISPLAYTITLE:5-HT3 receptor}}The 5-HT3 receptor belongs to the Cys-loop superfamily of ligand-gated ion channels (LGICs) and therefore differs structurally and functionally from all other 5-HT receptors (5-hydroxytryptamine, or serotonin receptors) which are G protein-coupled receptors. This ion channel is cation-sel... | 5-HT3 receptor | Chemistry | 1,786 |
3,126,455 | https://en.wikipedia.org/wiki/Inverse%20search | Inverse search (also called "reverse search") is a feature of some non-interactive typesetting programs, such as LaTeX and GNU LilyPond. These programs read an abstract, textual, definition of a document as input, and convert this into a graphical format such as DVI or PDF. In a windowing system, this typically means t... | Inverse search | Technology,Engineering | 354 |
1,406,274 | https://en.wikipedia.org/wiki/Pergola | A pergola is most commonly an outdoor garden feature forming a shaded walkway, passageway, or sitting area of vertical posts or pillars that usually support crossbeams and a sturdy open lattice, often upon which woody vines are trained. The origin of the word is the Late Latin pergula, referring to a projecting eave.
... | Pergola | Technology,Engineering | 1,065 |
7,151,375 | https://en.wikipedia.org/wiki/Space-oblique%20Mercator%20projection | Space-oblique Mercator projection is a map projection devised in the 1970s for preparing maps from Earth-survey satellite data. It is a generalization of the oblique Mercator projection that incorporates the time evolution of a given satellite ground track to optimize its representation on the map. The oblique Mercator... | Space-oblique Mercator projection | Mathematics | 465 |
17,975,363 | https://en.wikipedia.org/wiki/HD%2040307 | HD 40307 is an orange (K-type) main-sequence star located approximately 42 light-years away in the constellation of Pictor (the Easel), taking its primary name from its Henry Draper Catalogue designation. It is calculated to be slightly less massive than the Sun. The star has six known planets, three discovered in 2... | HD 40307 | Astronomy | 832 |
76,628,545 | https://en.wikipedia.org/wiki/NGC%203647 | NGC 3647 is a small elliptical galaxy in the Leo constellation. The galaxy was first discovered on March 22, 1865 by Albert Marth who was a German astronomer. It is approximately 747 million light-years away. Due to its close proximity to five other elliptical galaxies, there was a bit of confusion for Marth to identi... | NGC 3647 | Astronomy | 185 |
18,254,249 | https://en.wikipedia.org/wiki/Load%20factor%20%28electrical%29 | In electrical engineering the load factor is defined as the average load divided by the peak load in a specified time period. It is a measure of the utilization rate, or efficiency of electrical energy usage; a high load factor indicates that load is using the electric system more efficiently, whereas consumers or gene... | Load factor (electrical) | Engineering | 329 |
10,705,807 | https://en.wikipedia.org/wiki/Gillham%20code | Gillham code is a zero-padded 12-bit binary code using a parallel nine- to eleven-wire interface, the Gillham interface, that is used to transmit uncorrected barometric altitude between an encoding altimeter or analog air data computer and a digital transponder. It is a modified form of a Gray code and is sometimes ref... | Gillham code | Technology | 1,105 |
5,422,424 | https://en.wikipedia.org/wiki/Chorobates | The chorobates, described by Vitruvius in Book VIII of the De architectura, was used to measure horizontal planes and was especially important in the construction of aqueducts.
Similar to modern spirit levels, the chorobates consisted of a beam of wood 6 m in length held by two supporting legs and equipped with two pl... | Chorobates | Technology,Engineering | 692 |
2,576,261 | https://en.wikipedia.org/wiki/Electron%20avalanche | An electron avalanche is a process in which a number of free electrons in a transmission medium are subjected to strong acceleration by an electric field and subsequently collide with other atoms of the medium, thereby ionizing them (impact ionization). This releases additional electrons which accelerate and collide wi... | Electron avalanche | Physics | 942 |
26,764 | https://en.wikipedia.org/wiki/International%20System%20of%20Units | The International System of Units, internationally known by the abbreviation SI (from French ), is the modern form of the metric system and the world's most widely used system of measurement. It is the only system of measurement with official status in nearly every country in the world, employed in science, technology,... | International System of Units | Mathematics | 5,493 |
74,091,597 | https://en.wikipedia.org/wiki/Stroke-based%20sorting | Stroke-based sorting, also called stroke-based ordering or stroke-based order, is one of the five sorting methods frequently used in modern Chinese dictionaries, the others being radical-based sorting, pinyin-based sorting, bopomofo and the four-corner method. In addition to functioning as an independent sorting metho... | Stroke-based sorting | Technology | 1,432 |
733,305 | https://en.wikipedia.org/wiki/Cortistatin%20%28neuropeptide%29 | Precortistatin is a protein that in humans is encoded by the CORT gene. The 105 amino acid residue human precortistatin in turn is cleaved into cortistatin-17 and cortistatin-29. Cortistatin-17 is the only active peptide derived from the precursor. Cortistatin (or more specifically cortistatin-17) is a neuropeptide tha... | Cortistatin (neuropeptide) | Chemistry | 295 |
34,974,335 | https://en.wikipedia.org/wiki/E.G.F. | E.G.F. (Entreprise Générale de Franceville) is a Gabonese company specialized in Civil Engineering, construction and special works in hard places.
History of E.G.F.
EGF was founded in Franceville by Benoist SENET in 2000. The company started in a bad economical period due to the area seeing a decline in investments a... | E.G.F. | Engineering | 259 |
162,269 | https://en.wikipedia.org/wiki/Magnesium%20oxide | Magnesium oxide (MgO), or magnesia, is a white hygroscopic solid mineral that occurs naturally as periclase and is a source of magnesium (see also oxide). It has an empirical formula of MgO and consists of a lattice of Mg2+ ions and O2− ions held together by ionic bonding. Magnesium hydroxide forms in the presence of w... | Magnesium oxide | Physics,Chemistry,Engineering | 2,119 |
63,288,122 | https://en.wikipedia.org/wiki/2-Phosphoglycolate | 2-Phosphoglycolate (chemical formula C2H2O6P3-; also known as phosphoglycolate, 2-PG, or PG) is a natural metabolic product of the oxygenase reaction mediated by the enzyme ribulose 1,5-bisphosphate carboxylase (RuBisCo).
Synthesis
RuBisCo catalyzes the fixation of atmospheric carbon dioxide in the chloroplasts of pl... | 2-Phosphoglycolate | Chemistry | 944 |
40,568,016 | https://en.wikipedia.org/wiki/Vietnamese%20numerals | Historically Vietnamese has two sets of numbers: one is etymologically native Vietnamese; the other uses Sino-Vietnamese vocabulary. In the modern language the native Vietnamese vocabulary is used for both everyday counting and mathematical purposes. The Sino-Vietnamese vocabulary is used only in fixed expressions or i... | Vietnamese numerals | Mathematics | 919 |
2,662,177 | https://en.wikipedia.org/wiki/N-Oxoammonium%20salt | N-Oxoammonium salts are a class of organic compounds with the formula [R1R2=O]X−. The cation [R1R2=O] is of interest for the dehydrogenation of alcohols. Oxoammonium salts are diamagnetic, whereas the nitroxide has a doublet ground state. A prominent N-oxoammonium salt is prepared by oxidation of (2,2,6,6-tetramethyl... | N-Oxoammonium salt | Chemistry | 354 |
27,405,777 | https://en.wikipedia.org/wiki/ClearCube | ClearCube is a computer systems manufacturer based in Austin, Texas, owned by parent company ClearCube Holdings. The company became known for its blade PC products; it has since expanded its offerings to include desktop virtualization and VDI. It was founded in 1997 by Andrew Heller (former IBM Fellow) and Barry Thorn... | ClearCube | Technology | 509 |
3,025,266 | https://en.wikipedia.org/wiki/Ternary%20computer | A ternary computer, also called trinary computer, is one that uses ternary logic (i.e., base 3) instead of the more common binary system (i.e., base 2) in its calculations. Ternary computers use trits, instead of binary bits.
Types of states
Ternary computing deals with three discrete states, but the ternary digits t... | Ternary computer | Technology | 1,021 |
77,395,174 | https://en.wikipedia.org/wiki/Pellet%20%28steel%20industry%29 | Pellets are a processed form of iron ore utilized in the steel industry, specifically designed for direct application in blast furnaces or direct reduction plants. These pellets are spherical in shape, with diameters ranging from 8 to 18 millimeters.
The production of iron ore pellets involves several steps, includin... | Pellet (steel industry) | Chemistry,Materials_science,Engineering | 3,151 |
930,128 | https://en.wikipedia.org/wiki/Directive%20%28programming%29 | In computer programming, a directive or pragma (from "pragmatic") is a language construct that specifies how a compiler (or other translator) should process its input. Depending on the programming language, directives may or may not be part of the grammar of the language and may vary from compiler to compiler. They can... | Directive (programming) | Technology,Engineering | 1,766 |
12,671,968 | https://en.wikipedia.org/wiki/Xibornol | Xibornol is a lipophilic substance with antiseptic properties, mainly used in Italy and Spain. It is primarily administered to the throat as a spray mouthwash. As of 2007, all approved forms are water-based suspensions.
The drug was discovered in the 1970s.
References
Antibiotics
Phenols | Xibornol | Biology | 65 |
47,393,255 | https://en.wikipedia.org/wiki/Ring%20vaccination | Ring vaccination is a strategy to inhibit the spread of a disease by vaccinating those who are most likely to be infected.
This strategy vaccinates the contacts of confirmed patients, and people who are in close contact with those contacts. This way, everyone who has been, or could have been, exposed to a patient rece... | Ring vaccination | Biology | 709 |
54,135,786 | https://en.wikipedia.org/wiki/Petr%20Hor%C3%A1lek | Petr Horálek (born July 21, 1986) is a Czech astrophotographer, popularizer of astronomy and an artist.
Astronomy and Astrophotography
Early life
He worked as a volunteer of the Pardubice observatory in 1999–2010 and studied Theoretical physics and Astrophysics at the Masaryk University in Brno (2007–2011). During t... | Petr Horálek | Astronomy | 844 |
4,118,466 | https://en.wikipedia.org/wiki/139P/V%C3%A4is%C3%A4l%C3%A4%E2%80%93Oterma | 139P/Väisälä–Oterma is a periodic comet in the Solar System. When it was discovered in 1939 it was not recognized as a comet and designated as asteroid 1939 TN.
References
External links
Orbital simulation from JPL (Java) / Horizons Ephemeris
139P/Vaisala-Oterma – Seiichi Yoshida @ aerith.net
139P at Kronk's Comet... | 139P/Väisälä–Oterma | Astronomy | 106 |
5,335,894 | https://en.wikipedia.org/wiki/Methyllithium | Methyllithium is the simplest organolithium reagent, with the empirical formula CH3Li. This s-block organometallic compound adopts an oligomeric structure both in solution and in the solid state. This highly reactive compound, invariably used in solution with an ether as the solvent, is a reagent in organic synthesis a... | Methyllithium | Chemistry,Technology | 1,176 |
23,265,764 | https://en.wikipedia.org/wiki/IEEE%20Kiyo%20Tomiyasu%20Award | The IEEE Kiyo Tomiyasu Award is a Technical Field Award established by the IEEE Board of Directors in 2001. It is an institute level award, not a society level award. It is presented for outstanding early to mid-career contributions to technologies holding the promise of innovative applications. The prize is sponsored ... | IEEE Kiyo Tomiyasu Award | Technology | 684 |
4,332,851 | https://en.wikipedia.org/wiki/N%C3%A9gone | Négone was a Spanish proprietary augmented reality role playing experience played at a facility in Madrid.
Description
In a physical indoor space, an adventure was played out in themed rooms and scenes. The player went through the scenes, interacting with the environment to accomplish the goals of the game. This the ... | Négone | Engineering | 288 |
20,780,721 | https://en.wikipedia.org/wiki/Yes%20and%20no | Yes and no, or similar word pairs, are expressions of the affirmative and the negative, respectively, in several languages, including English. Some languages make a distinction between answers to affirmative versus negative questions and may have three-form or four-form systems. English originally used a four-form sys... | Yes and no | Technology | 5,515 |
23,581,310 | https://en.wikipedia.org/wiki/C16H34 | {{DISPLAYTITLE:C16H34}}
The molecular formula C16H34 (molar mass: 226.44 g/mol, exact mass: 226.2661 u) may refer to:
Hexadecane (cetane)
Isocetane | C16H34 | Chemistry | 61 |
442,205 | https://en.wikipedia.org/wiki/1%20Giant%20Leap | 1 Giant Leap is a British electronic music duo consisting of the two principal artists, Jamie Catto (Faithless founding member) and Duncan Bridgeman.
Career
Based in the UK, the two musicians set out to create a multimedia project that would encompass a CD, DVD and cinematic presentation that would offer a complete ar... | 1 Giant Leap | Technology | 504 |
28,766,498 | https://en.wikipedia.org/wiki/DOTA-TATE | DOTA-TATE (DOTATATE, DOTA-octreotate, oxodotreotide, DOTA-(Tyr3)-octreotate, and DOTA-0-Tyr3-Octreotate) is an eight amino acid long peptide, with a covalently bonded DOTA bifunctional chelator.
DOTA-TATE can be reacted with the radionuclides gallium-68 (T1/2 = 68 min), lutetium-177 (T1/2 = 6.65 d) and copper-64 (T1/2... | DOTA-TATE | Chemistry | 887 |
53,302,354 | https://en.wikipedia.org/wiki/Polymerization-induced%20phase%20separation | Polymerization-induced phase separation (PIPS) is the occurrence of phase separation in a multicomponent mixture induced by the polymerization of one or more components. The increase in molecular weight of the reactive component renders one or more components to be mutually immiscible in one another, resulting in spont... | Polymerization-induced phase separation | Chemistry,Materials_science,Engineering | 331 |
153,688 | https://en.wikipedia.org/wiki/Well%20dressing | Well dressing, also known as well flowering, is a tradition practised in some parts of rural England in which wells, springs and other water sources are decorated with designs created from flower petals. The custom is most closely associated with the Peak District of Derbyshire and Staffordshire. James Murray Mackinlay... | Well dressing | Chemistry,Engineering,Environmental_science | 799 |
63,915,831 | https://en.wikipedia.org/wiki/Ester%20H.%20Segal | Ester H. Segal is an Israeli nanotechnology researcher and professor in the Department of Biotechnology and Food Engineering at the Technion - Israel Institute of Technology, where she heads the Laboratory for Multifunctional Nanomaterials. She is also affiliated with the Russell Berrie Nanotechnology Institute at the ... | Ester H. Segal | Chemistry,Materials_science | 1,047 |
12,638,277 | https://en.wikipedia.org/wiki/LRRTM1 | LRRTM1 is a brain-expressed imprinted gene that encodes a leucine-rich repeat transmembrane protein that interacts with neurexins and neuroligins to modulate synaptic cell adhesion in neurons. As the name implies, its protein product is a transmembrane protein that contains many leucine rich repeats. It is expressed d... | LRRTM1 | Chemistry,Biology | 306 |
10,844 | https://en.wikipedia.org/wiki/French%20materialism | French materialism is the name given to a handful of French 18th-century philosophers during the Age of Enlightenment, many of them clustered around the salon of Baron d'Holbach. Although there are important differences between them, all of them were materialists who believed that the world was made up of a single sub... | French materialism | Physics | 172 |
33,308,777 | https://en.wikipedia.org/wiki/Good%E2%80%93deal%20bounds | Good–deal bounds are price bounds for a financial portfolio which depends on an individual trader's preferences. Mathematically, if is a set of portfolios with future outcomes which are "acceptable" to the trader, then define the function by
where is the set of final values for self-financing trading strategies. ... | Good–deal bounds | Mathematics | 170 |
2,303,438 | https://en.wikipedia.org/wiki/Draco%20Dwarf | The Draco Dwarf is a spheroidal galaxy which was discovered by Albert George Wilson of Lowell Observatory in 1954 on photographic plates of the National Geographic Society's Palomar Observatory Sky Survey (POSS). It is part of the Local Group and a satellite galaxy of the Milky Way galaxy. The Draco Dwarf is situated... | Draco Dwarf | Astronomy | 950 |
21,115,465 | https://en.wikipedia.org/wiki/Unrequited%20love | Unrequited love or one-sided love is love that is not openly reciprocated or understood as such by the beloved. The beloved may not be aware of the admirer's deep affection, or may consciously reject it knowing that the admirer admires them. Merriam-Webster defines unrequited as "not reciprocated or returned in kind".
... | Unrequited love | Physics | 1,062 |
4,449,103 | https://en.wikipedia.org/wiki/Vibration%20isolation | Vibration isolation is the prevention of transmission of vibration from one component of a system to others parts of the same system, as in buildings or mechanical systems. Vibration is undesirable in many domains, primarily engineered systems and habitable spaces, and methods have been developed to prevent the transfe... | Vibration isolation | Physics,Engineering | 4,753 |
2,322,153 | https://en.wikipedia.org/wiki/Carbon%20offsets%20and%20credits | Carbon offsetting is a carbon trading mechanism that enables entities to compensate for offset greenhouse gas emissions by investing in projects that reduce, avoid, or remove emissions elsewhere. When an entity invests in a carbon offsetting program, it receives carbon credit or offset credit, which account for the net... | Carbon offsets and credits | Chemistry | 6,945 |
1,516,575 | https://en.wikipedia.org/wiki/Institute%20of%20Astronomy%2C%20Cambridge | The Institute of Astronomy (IoA) is the largest of the three astronomy departments in the University of Cambridge, and one of the largest astronomy sites in the United Kingdom. Around 180 academics, postdocs, visitors and assistant staff work at the department.
Research at the department is made in a number of scienti... | Institute of Astronomy, Cambridge | Astronomy | 1,138 |
23,820,202 | https://en.wikipedia.org/wiki/Gymnopilus%20areolatus | Gymnopilus areolatus is a species of mushroom-forming fungus in the family Hymenogastraceae. It was first formally described by American mycologist William Alphonso Murrill, from specimens collected in Cuba.
Description
The cap is in diameter.
Habitat and distribution
Gymnopilus areolatus typically grows clumped tog... | Gymnopilus areolatus | Biology | 129 |
69,735,469 | https://en.wikipedia.org/wiki/Chentsov%27s%20theorem | In information geometry, Chentsov's theorem states that the Fisher information metric is, up to rescaling, the unique Riemannian metric on a statistical manifold that is invariant under sufficient statistics.
The theorem is named after its inventor Nikolai Chentsov
See also
Fisher information
Sufficient statistic
I... | Chentsov's theorem | Physics,Mathematics | 178 |
17,591,554 | https://en.wikipedia.org/wiki/KCNC3 | Potassium voltage-gated channel, Shaw-related subfamily, member 3 also known as KCNC3 or Kv3.3 is a protein that in humans is encoded by the KCNC3.
Function
The Shaker gene family of Drosophila encodes components of voltage-gated potassium channels and comprises four subfamilies. Based on sequence similarity, this g... | KCNC3 | Chemistry | 191 |
55,205,467 | https://en.wikipedia.org/wiki/NGC%20472 | NGC 472 is a spiral galaxy located roughly 220 million lightyears from earth in the constellation Pisces. It was discovered on August 29, 1862 by Heinrich Louis d'Arrest.
See also
List of galaxies
List of spiral galaxies
References
External links
Deep Sky Catalog
SEDS
0472
18620829
Pisces (constellation)
Sp... | NGC 472 | Astronomy | 82 |
5,740,174 | https://en.wikipedia.org/wiki/Relationship%20between%20string%20theory%20and%20quantum%20field%20theory | Many first principles in quantum field theory are explained, or get further insight, in string theory.
From quantum field theory to string theory
Emission and absorption: one of the most basic building blocks of quantum field theory, is the notion that particles (such as electrons) can emit and absorb other particles... | Relationship between string theory and quantum field theory | Physics,Astronomy | 1,139 |
2,710,620 | https://en.wikipedia.org/wiki/Self-regulated%20learning | Self-regulated learning (SRL) is one of the domains of self-regulation, and is aligned most closely with educational aims. Broadly speaking, it refers to learning that is guided by metacognition (thinking about one's thinking), strategic action (planning, monitoring, and evaluating personal progress against a standard... | Self-regulated learning | Biology | 3,034 |
41,234,142 | https://en.wikipedia.org/wiki/Readout%20integrated%20circuit | A readout integrated circuit (ROIC) is an integrated circuit (IC) specifically used for reading detectors of a particular type. They are compatible with different types of detectors such as infrared and ultraviolet. The primary purpose for ROICs is to accumulate the photocurrent from each pixel and then transfer the re... | Readout integrated circuit | Technology,Engineering | 651 |
48,291,822 | https://en.wikipedia.org/wiki/Naenara%20%28browser%29 | Naenara is a North Korean intranet web browser software developed by the Korea Computer Center for use of the national Kwangmyong intranet. It is developed from a version of Mozilla Firefox and is distributed with the Linux-based operating system Red Star OS that North Korea developed due to licensing and security issu... | Naenara (browser) | Technology | 206 |
75,405,291 | https://en.wikipedia.org/wiki/ADB-5%27Br-BUTINACA | ADB-5'Br-BUTINACA (ADB-B-5Br-INACA) is an indazole-3-carboxamide based synthetic cannabinoid receptor agonist which has been sold as a designer drug, first detected in Philadelphia in the US in May 2022, and subsequently found in South Korea, Portugal and Sweden. It is specifically listed as an illegal drug in Italy, S... | ADB-5'Br-BUTINACA | Chemistry | 182 |
5,045,613 | https://en.wikipedia.org/wiki/Pauli%20group | In physics and mathematics, the Pauli group on 1 qubit is the 16-element matrix group consisting of the 2 × 2 identity matrix and all of the Pauli matrices
,
together with the products of these matrices with the factors and :
.
The Pauli group is generated by the Pauli matrices, and like them it is named after Wolfg... | Pauli group | Physics,Mathematics | 239 |
1,842,710 | https://en.wikipedia.org/wiki/Etorphine | Etorphine (M99) is a semi-synthetic opioid possessing an analgesic potency approximately 1,000–3,000 times that of morphine. It was first prepared in 1960 from oripavine, which does not generally occur in opium poppy extract but rather the related plants Papaver orientale and Papaver bracteatum. It was reproduced in 1... | Etorphine | Chemistry | 1,102 |
1,895,094 | https://en.wikipedia.org/wiki/Opportunistic%20infection | An opportunistic infection is an infection caused by pathogens (bacteria, fungi, parasites or viruses) that take advantage of an opportunity not normally available. These opportunities can stem from a variety of sources, such as a weakened immune system (as can occur in acquired immunodeficiency syndrome or when being ... | Opportunistic infection | Biology | 1,844 |
9,420,905 | https://en.wikipedia.org/wiki/Mobile%20Brigade%20Corps | The Mobile Brigade Corps () abbreviated Brimob is the special operations, paramilitary, and tactical unit of the Indonesian National Police (Polri). It is one of the oldest existing units within Polri. Some of its main duties are counter-terrorism, riot control, high-risk law enforcement where the use of firearms are p... | Mobile Brigade Corps | Chemistry | 3,428 |
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