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 |
|---|---|---|---|---|---|
68,776,341 | https://en.wikipedia.org/wiki/Trino%20%28SQL%20query%20engine%29 | Trino is an open-source distributed SQL query engine designed to query large data sets distributed over one or more heterogeneous data sources. Trino can query data lakes that contain a variety of file formats such as simple row-oriented CSV and JSON data files to more performant open column-oriented data file formats ... | Trino (SQL query engine) | Technology | 750 |
9,421,673 | https://en.wikipedia.org/wiki/Parts%20cleaning | Parts cleaning is a step in various industrial processes, either as preparation for surface finishing or to safeguard delicate components. One such process, electroplating, is particularly sensitive to part cleanliness, as even thin layers of oil can hinder coating adhesion.
Cleaning methods encompass solvent cleaning... | Parts cleaning | Chemistry | 4,303 |
46,417,331 | https://en.wikipedia.org/wiki/89P/Russell | 89P/Russell is a periodic comet in the Solar System with a current orbital period of 7.28 years.
It was discovered on a photographic plate by Kenneth Russell of Siding Spring Observatory in New South Wales, Australia on 28 September 1980. Brightness was estimated at a magnitude of 17. The elliptical orbit calculated b... | 89P/Russell | Astronomy | 145 |
23,666,373 | https://en.wikipedia.org/wiki/Krammer | The Krammer is a body of fresh water located in the western part of Volkerak in the Netherlands.
It is part of the Rhine–Meuse–Scheldt delta, and is situated between the islands Goeree-Overflakkee and Sint Philipsland. To the west, it continues into the Grevelingen, from which it is separated by the Grevelingendam.
B... | Krammer | Physics | 130 |
61,245,573 | https://en.wikipedia.org/wiki/ASME%20QME-1 | ASME QME-1 is a standard maintained by the American Society of Mechanical Engineers that provides the requirements and guidelines for the qualification of active mechanical equipment (QME) whose function is required to ensure the safe operation or safe shutdown of a nuclear facility.
Organization of QME-1
The 2017 ed... | ASME QME-1 | Engineering | 241 |
1,504,236 | https://en.wikipedia.org/wiki/Creed%20%26%20Company | Creed & Company was a British telecommunications company founded by Frederick George Creed which was an important pioneer in the field of teleprinter machines. It was merged into the International Telephone and Telegraph Corporation (ITT) in 1928.
History
The company was founded by Frederick George Creed and Danish te... | Creed & Company | Physics,Technology | 548 |
78,612,468 | https://en.wikipedia.org/wiki/Sipavibart | Sipavibart is an experimental medication under investigation for the prevention of COVID-19 in people who are immunocompromised. Sipavibart is a recombinant human IgG1 monoclonal antibody that provides passive immunization against SARS-CoV-2 by binding its spike protein receptor binding domain.
Society and culture
Le... | Sipavibart | Chemistry,Biology | 213 |
433,739 | https://en.wikipedia.org/wiki/Spitball | A spitball is a now-illegal baseball pitch in which the ball has been altered by the application of a foreign substance such as saliva or petroleum jelly. This technique alters the wind resistance and weight on one side of the ball, causing it to move in an atypical manner. It may also cause the ball to "slip" out of t... | Spitball | Biology | 1,267 |
2,104,649 | https://en.wikipedia.org/wiki/Super%20soldier | A super soldier (or supersoldier) is a concept soldier capable of operating beyond normal human abilities through technological augmentation or (in fictional depictions) genetic modification or cybernetic augmentation. Soldiers that obtain greater-than-normal physical abilities by wearing powered armor or a technologic... | Super soldier | Engineering,Biology | 964 |
34,474,694 | https://en.wikipedia.org/wiki/CT%20Value | CT Values are an important part of calculating disinfectant dosage for the chlorination of drinking water. A CT value is the product of the concentration of a disinfectant (e.g. free chlorine) and the contact time with the water being disinfected. It is typically expressed in units of mg-min/L.
The goal of disinfectio... | CT Value | Chemistry,Engineering,Environmental_science | 507 |
23,617 | https://en.wikipedia.org/wiki/Pump | A pump is a device that moves fluids (liquids or gases), or sometimes slurries, by mechanical action, typically converted from electrical energy into hydraulic or pneumatic energy.
Mechanical pumps serve in a wide range of applications such as pumping water from wells, aquarium filtering, pond filtering and aeration, ... | Pump | Physics,Chemistry | 7,966 |
60,154,910 | https://en.wikipedia.org/wiki/Paul%20Cremer | Paul S. Cremer (born 1967) is an American chemist in physical and analytical chemistry at biological interfaces.
Education and academic career
Cremer graduated from University of Wisconsin-Madison with a BA in 1990, completed his PhD at University of California, Berkeley in 1996, and completed postdoctoral work at St... | Paul Cremer | Chemistry | 199 |
4,878,376 | https://en.wikipedia.org/wiki/Merovingian%20art%20and%20architecture | Merovingian art is the art of the Merovingian dynasty of the Franks, which lasted from the 5th century to the 8th century in present-day France, Benelux and a part of Germany.
The advent of the Merovingian dynasty in Gaul in the 5th century led to important changes in the field of arts. Sculptural arts consisted of the... | Merovingian art and architecture | Engineering | 1,143 |
32,150,292 | https://en.wikipedia.org/wiki/Uroguanylin | Uroguanylin is a 16 amino acid peptide that is secreted by enterochromaffin cells in the duodenum and proximal small intestine. Guanylin acts as an agonist of the guanylyl cyclase receptor guanylate cyclase 2C (GC-C), and regulates electrolyte and water transport in intestinal and renal epithelia. By agonizing this gua... | Uroguanylin | Chemistry,Biology | 281 |
32,237,275 | https://en.wikipedia.org/wiki/Advanced%20Comprehensive%20Operating%20System | Advanced Comprehensive Operating System (ACOS) is a family of mainframe computer operating systems developed by NEC for the Japanese market. It consists of three systems, based on the General Comprehensive Operating System family developed by General Electric, Honeywell, and Bull. Two of these systems, ACOS-2 (based on... | Advanced Comprehensive Operating System | Technology | 347 |
36,834,542 | https://en.wikipedia.org/wiki/GAMA202627 | GAMA202627 (also known as G202627 or PGC 165514) is a barred spiral galaxy similar to our own Milky Way, located 700 million light-years from Earth
in the Hydra constellation.
The galaxy was described in a 2012 paper
by astronomer Dr Aaron Robotham, jointly from the University of Western Australia node of the Internat... | GAMA202627 | Astronomy | 337 |
10,821,683 | https://en.wikipedia.org/wiki/Bryan%20Simonaire | Bryan Warner Simonaire (born September 6, 1963) is an American politician who serves as a Maryland state senator representing District 31, which encompasses much of northern Anne Arundel County's Baltimore suburbs. A member of the Republican Party, he served as the minority leader of the Maryland Senate from 2020 to 20... | Bryan Simonaire | Technology | 2,270 |
39,352,361 | https://en.wikipedia.org/wiki/Epimedium%20%C3%97%20rubrum | Epimedium × rubrum, known as red barrenwort, is a species of perennial flowering plant in the family Berberidaceae, cultivated in gardens. It is considered to be a hybrid between E. alpinum and E. grandiflorum (hence the symbol ×). The Royal Horticultural Society has given it the Award of Garden Merit (AGM).
Descripti... | Epimedium × rubrum | Biology | 251 |
39,541,688 | https://en.wikipedia.org/wiki/BL%20Herculis%20variable | BL Herculis variables are a subclass of type II Cepheids with low luminosity and mass, that have a period of less than eight days. They are pulsating stars with light curves that frequently show a bump on the descending side for stars of the shortest periods and on the ascending side for longer period stars. Like other... | BL Herculis variable | Physics,Astronomy | 450 |
35,830,503 | https://en.wikipedia.org/wiki/Nu%20Orionis | Nu Orionis (ν Orionis) is a binary star system in the northeastern part of the constellation Orion. It should not be confused with the variable star NU Orionis. Nu Orionis has an apparent visual magnitude of 4.42, which is bright enough to be seen with the naked eye. Based upon an annual parallax shift of 0.00632 arcse... | Nu Orionis | Astronomy | 302 |
21,006,532 | https://en.wikipedia.org/wiki/Sysload%20Software | Sysload Software, was a computer software company specializing in systems measurement, performance and capacity management solutions for servers and data centers, based in Créteil, France. It has been acquired in September 2009 by ORSYP, a computer software company specialist in workload scheduling and IT Operations Ma... | Sysload Software | Technology,Engineering | 377 |
54,071,558 | https://en.wikipedia.org/wiki/Dacryobolus%20gracilis | Dacryobolus gracilis is a species of crust fungus in the family Fomitopsidaceae. This brown rot fungus was described as new to science in 2016 by Hai-Sheng Yuan. It has a fragile, waxy fruit body with small, slender spines. The fungus has been found in Chongqing and Guangxi, in southwestern China.
References
Fomitops... | Dacryobolus gracilis | Biology | 90 |
61,334 | https://en.wikipedia.org/wiki/Pygmy%20hippopotamus | The pygmy hippopotamus or pygmy hippo (Choeropsis liberiensis) is a small hippopotamid which is native to the forests and swamps of West Africa, primarily in Liberia, with small populations in Sierra Leone, Guinea, and Ivory Coast. It has been extirpated from Nigeria.
The pygmy hippo is reclusive and nocturnal. It is ... | Pygmy hippopotamus | Biology | 4,419 |
4,585,250 | https://en.wikipedia.org/wiki/Magnetic%20tension | In physics, magnetic tension is a restoring force with units of force density that acts to straighten bent magnetic field lines. In SI units, the force density exerted perpendicular to a magnetic field can be expressed as
where is the vacuum permeability.
Magnetic tension forces also rely on vector current densiti... | Magnetic tension | Chemistry | 435 |
55,334,875 | https://en.wikipedia.org/wiki/NGC%204907 | NGC 4907 is a barred spiral galaxy located about 270 million light-years away in the constellation of Coma Berenices. It is also classified as a LINER galaxy. NGC 4907 was discovered by astronomer Heinrich d'Arrest on May 5, 1864. The galaxy is a member of the Coma Cluster, located equidistant between NGC 4928 and NGC ... | NGC 4907 | Astronomy | 125 |
18,265,121 | https://en.wikipedia.org/wiki/Bepotastine | Bepotastine (Talion, Bepreve) is a 2nd generation antihistamine. It was approved in Japan for use in the treatment of allergic rhinitis and urticaria/pruritus in July 2000, and January 2002, respectively. It is marketed in the United States as an eye drop under the brand name Bepreve, by ISTA Pharmaceuticals, a subsidi... | Bepotastine | Chemistry | 789 |
22,992,249 | https://en.wikipedia.org/wiki/Disjunctive%20population | A disjunctive population, in ecology, is a colony of plants, animals, or other organisms whose geographical locus is severed from the continuous range of the bulk of the species distribution. Although a disjunctive population may sometimes occur on an island, which creates physical separation via water, a large percent... | Disjunctive population | Biology | 203 |
35,031,328 | https://en.wikipedia.org/wiki/C47H80O19P3 | The molecular formula C47H80O19P3 may refer to:
Phosphatidylinositol 3,4-bisphosphate
Phosphatidylinositol 3,5-bisphosphate
Phosphatidylinositol 4,5-bisphosphate
Molecular formulas | C47H80O19P3 | Physics,Chemistry | 67 |
3,997,849 | https://en.wikipedia.org/wiki/Uranyl%20sulfate | Uranyl sulfate describes a family of inorganic compounds with the formula UO2SO4(H2O)n. These salts consist of sulfate, the uranyl ion, and water. They are lemon-yellow solids. Uranyl sulfates are intermediates in some extraction methods used for uranium ores. These compounds can also take the form of an anhydrous salt... | Uranyl sulfate | Physics,Chemistry | 318 |
96,842 | https://en.wikipedia.org/wiki/Cytochrome%20c%20oxidase | The enzyme cytochrome c oxidase or Complex IV (was , now reclassified as a translocase EC 7.1.1.9) is a large transmembrane protein complex found in bacteria, archaea, and the mitochondria of eukaryotes.
It is the last enzyme in the respiratory electron transport chain of cells located in the membrane. It receives an ... | Cytochrome c oxidase | Chemistry,Biology | 2,790 |
12,991,932 | https://en.wikipedia.org/wiki/Level%20staff | A level staff, also called levelling rod, is a graduated wooden or aluminium rod, used with a levelling instrument to determine the difference in height between points or heights of points above a vertical datum.
When used for stadiametric rangefinding, the level staff is called a stadia rod.
Rod construction and mate... | Level staff | Technology,Engineering | 955 |
7,081,715 | https://en.wikipedia.org/wiki/Micropower | Micropower describes the use of very small electric generators and prime movers or devices to convert heat or motion to electricity, for use close to the generator. The generator is typically integrated with microelectronic devices and produces "several watts of power or less." These devices offer the promise of a pow... | Micropower | Physics,Materials_science,Technology,Engineering | 1,568 |
16,883,374 | https://en.wikipedia.org/wiki/Malcolm%20Dole | Malcolm Dole (March 4, 1903 – November 29, 1990) was an American chemist known for the Dole Effect in which he proved that the atomic weight of oxygen in air is greater than that of oxygen in water and for his work on electrospray ionization, polymer chemistry, and electrochemistry.
Dole effect
The Dole effect is the ... | Malcolm Dole | Physics,Chemistry | 269 |
42,043,354 | https://en.wikipedia.org/wiki/MTS%20945 | The MTS 945 GLONASS was the world's first smartphone that was compatible with GLONASS. The phone was available from Mobile TeleSystems, and was built by Qualcomm and ZTE. The phone was released on March 31, 2011. The phone was discontinued following low sales numbers.
History
On December 28, 2010 the CEO of AFK Siste... | MTS 945 | Technology | 499 |
38,411,234 | https://en.wikipedia.org/wiki/Anja%20Cetti%20Andersen | Anja Cetti Andersen (born 25 September 1965) is an astronomer and astrophysicist from Hørsholm, Denmark.
Life
She received her BSc in 1991, MSc in astronomy in 1995, and her PhD in 1999, from the University of Copenhagen. Her thesis was titled "Cosmic Dust and Late-Type Stars". Her postdoctoral research was funded by... | Anja Cetti Andersen | Astronomy | 1,565 |
15,676,779 | https://en.wikipedia.org/wiki/List%20of%20environmental%20economics%20journals | This is a list of articles about scholarly journals in ecological, resource and environmental economics.
A
Agricultural and Resource Economics Review
American Journal of Agricultural Economics
Annual Review of Resource Economics
Australian Journal of Agricultural and Resource Economics
C
Climate Change Economic... | List of environmental economics journals | Environmental_science | 205 |
1,182,058 | https://en.wikipedia.org/wiki/Double%20switching | Double switching, double cutting, or double breaking is the practice of using a multipole switch to close or open both the positive and negative sides of a DC electrical circuit, or both the hot and neutral sides of an AC circuit. This technique is used to prevent shock hazard in electric devices connected with unpolar... | Double switching | Engineering | 657 |
61,762,764 | https://en.wikipedia.org/wiki/K2-18 | K2-18, also known as EPIC 201912552, is a red dwarf star with two planetary companions located from Earth, in the constellation of Leo.
Its name is because it was discovered by the K2 Mission, which extended the mission of the Kepler Space Telescope after failure of two of its reaction wheels.
Planetary system
The s... | K2-18 | Astronomy | 336 |
252,461 | https://en.wikipedia.org/wiki/Winning%20Ways%20for%20Your%20Mathematical%20Plays | Winning Ways for Your Mathematical Plays (Academic Press, 1982) by Elwyn R. Berlekamp, John H. Conway, and Richard K. Guy is a compendium of information on mathematical games. It was first published in 1982 in two volumes.
The first volume introduces combinatorial game theory and its foundation in the surreal numbers... | Winning Ways for Your Mathematical Plays | Mathematics | 518 |
30,562 | https://en.wikipedia.org/wiki/Glossary%20of%20general%20topology | This is a glossary of some terms used in the branch of mathematics known as topology. Although there is no absolute distinction between different areas of topology, the focus here is on general topology. The following definitions are also fundamental to algebraic topology, differential topology and geometric topology. ... | Glossary of general topology | Physics,Mathematics | 9,083 |
58,692,548 | https://en.wikipedia.org/wiki/Aspergillus%20neoniveus | Aspergillus neoniveus is a species of fungus in the genus Aspergillus. It is from the Terrei section. The species was first described in 2011. It has been isolated from forest soil in Thailand and soil in Canada.
Growth and morphology
A. neoniveus has been cultivated on both yeast extract sucrose agar (YES) plates a... | Aspergillus neoniveus | Biology | 116 |
3,587,634 | https://en.wikipedia.org/wiki/Mercury%20%28cipher%20machine%29 | Mercury was a British cipher machine used by the Air Ministry from 1950 until at least the early 1960s. Mercury was an online rotor machine descended from Typex, but modified to achieve a longer cycle length using a so-called double-drum basket system.
History
Mercury was designed by Wing Commander E. W. Smith and F.... | Mercury (cipher machine) | Physics,Technology | 658 |
6,356,594 | https://en.wikipedia.org/wiki/Probe%20card | A probe card (commonly referred to as a DUT board) is used in automated integrated circuit testing. It is an interface between an electronic test system and a semiconductor wafer.
Use and manufacture
A probe card or DUT board is a printed circuit board (PCB), and is the interface between the integrated circuit and a t... | Probe card | Materials_science | 1,311 |
13,464,520 | https://en.wikipedia.org/wiki/Husky%20VMMD | The Husky VMMD (Vehicle-Mounted Mine Detection) is a configurable counter-IED MRAP (Mine-Resistant Ambush Protected) vehicle, developed by South African-based DCD Protected Mobility and American C-IED company Critical Solutions International. Designed for use in route clearance and de-mining operations, the Husky is eq... | Husky VMMD | Chemistry,Engineering | 1,127 |
15,209,166 | https://en.wikipedia.org/wiki/Ringing%20out | Ringing out is a process in audio engineering technique used to prevent audio feedback between on-stage microphones and loudspeakers, and to maximize gain before feedback. Depending on the acoustics of a venue, certain frequencies may be resonant and thus will be more prone to feedback.
To ring out a room, a sound te... | Ringing out | Engineering | 275 |
47,786,981 | https://en.wikipedia.org/wiki/Women%20in%20NASA | The role of women in and affiliated with NASA has varied over time. As early as 1922 women were working as physicists and in other technical positions.[1] Throughout the 1930s to the present, more women joined the NASA teams not only at Langley Memorial, but at the Jet Propulsion Laboratory, the Glenn Research Center, ... | Women in NASA | Technology | 2,330 |
1,120,348 | https://en.wikipedia.org/wiki/MKM%20steel | MKM steel, an alloy containing nickel and aluminum, was developed in 1931 by metallurgist Tokushichi Mishima (三島徳七). While conducting research into the properties of nickel, Mishima discovered that a strongly magnetic steel could be created by adding aluminum to non-magnetic nickel steel.
Characteristics
The developer... | MKM steel | Physics,Chemistry,Materials_science,Engineering | 160 |
1,076,955 | https://en.wikipedia.org/wiki/Warp%20%28video%20games%29 | A warp, also known as a portal or teleporter, is an element in video game design that allows a player character instant travel between two locations or levels. A specific area that allows such travel is referred to as a warp zone. A warp zone might be a secret passage, accessible only to players capable of finding it, ... | Warp (video games) | Technology | 819 |
36,585,368 | https://en.wikipedia.org/wiki/RCW%2088 | RCW 88 is an emission nebula in the southern constellation of Circinus that first appeared in the 1960 astronomical catalogue by Rodgers, Campbell & Whiteoak (RCW) of Hα-emission regions within the southern Milky Way. Earlier observers, like James Wray in 1966, misclassified this as a likely 12.0v magnitude planetary n... | RCW 88 | Astronomy | 402 |
17,639,871 | https://en.wikipedia.org/wiki/VIA%20OpenBook | VIA OpenBook is a laptop reference design from VIA Technologies, announced in 2008. The laptop case design was released as open source.
Specifications
Dimensions
Dimensions: 24.0w x 17.5d x 3.62h cm (at battery), (9.45w x 6.89d x 1.43h in)
Weight: under 1 kg
Processor, memory
Processor: 1.0 GHz VIA Nano ULV
Chipse... | VIA OpenBook | Engineering | 324 |
16,592,741 | https://en.wikipedia.org/wiki/Stonewalling | Stonewalling is a refusal to communicate or cooperate. Such behaviour occurs in situations such as marriage counselling, diplomatic negotiations, politics and legal cases. Body language may indicate and reinforce this by avoiding contact and engagement with the other party. People use deflection in a conversation in o... | Stonewalling | Biology | 780 |
11,757,410 | https://en.wikipedia.org/wiki/Phragmidium%20rubi-idaei | Phragmidium rubi-idaei is a plant pathogen infecting caneberries, Rubus spp.
References
Fungal plant pathogens and diseases
Small fruit diseases
Pucciniales
Taxa named by Augustin Pyramus de Candolle
Fungi described in 1815
Fungus species | Phragmidium rubi-idaei | Biology | 57 |
13,595,249 | https://en.wikipedia.org/wiki/Kilokaiser | The Kaiser (K) is a unit of energy. A common form is kiloKaiser (kK). 1 kK = 1000 cm−1. ( cm−1, wavenumber or inverse wavelength.) This unit is most commonly used with respect to energy transitions between electronic states in inorganic complexes.
See also
Wavenumber
Kilokaiser is a common but incorrect spelling ... | Kilokaiser | Mathematics | 214 |
15,664,920 | https://en.wikipedia.org/wiki/Ammonium%20polyphosphate | Ammonium polyphosphate is an inorganic salt of polyphosphoric acid and ammonia containing both chains and possibly branching. Its chemical formula is H(NH4PO3)nOH showing that each monomer consists of an orthophosphate radical of a phosphorus atom with three oxygens and one negative charge neutralized by an ammonium c... | Ammonium polyphosphate | Chemistry,Materials_science | 760 |
49,957,896 | https://en.wikipedia.org/wiki/Chroma%20feature | In Western music, the term chroma feature or chromagram closely relates to twelve different pitch classes. Chroma-based features, which are also referred to as "pitch class profiles", are a powerful tool for analyzing music whose pitches can be meaningfully categorized (often into twelve categories) and whose tuning ap... | Chroma feature | Physics | 889 |
36,949,627 | https://en.wikipedia.org/wiki/6%20Ceti | 6 Ceti is a single star in the equatorial constellation of Cetus. It is visible to the naked eye with an apparent magnitude of 4.89. The annual parallax shift as measured from Earth's orbit is 53.34 mas, which yields a distance estimate of 61.1 light years. The star is moving further from the Sun with a constant radial... | 6 Ceti | Astronomy | 242 |
36,537,922 | https://en.wikipedia.org/wiki/7%20Aquilae | 7 Aquilae is a star in the equatorial constellation of Aquila, located 359 light years away from the Sun. 7 Aquilae is the Flamsteed designation. It is visible to the naked eye as a faint, yellow-white hued star with a baseline apparent visual magnitude of 6.9. The star is moving closer to the Earth with a heliocentric... | 7 Aquilae | Astronomy | 300 |
28,258,369 | https://en.wikipedia.org/wiki/SMBH%2C%20Inc. | SMBH, Inc. is a full-service structural engineering firm located in Columbus, Ohio. Providing structural engineering services for architects, contractors and building owners, SMBH, Inc. has experience designing educational facilities, medical centers, courthouses and commercial and residential buildings. Since 1972, SM... | SMBH, Inc. | Engineering | 821 |
70,735,451 | https://en.wikipedia.org/wiki/Neohygrocybe%20nitrata | Neohygrocybe nitrata is a species of agaric (gilled mushroom) in the family Hygrophoraceae. It has been given the recommended English name of nitrous waxcap, based on its smell. The species has a European distribution, occurring mainly in agriculturally unimproved grassland. Threats to its habitat have resulted in the ... | Neohygrocybe nitrata | Biology | 635 |
22,977,267 | https://en.wikipedia.org/wiki/Streptamer | Strep Tamer is a technology which allows the reversible isolation and staining of antigen-specific T-cells. This technology combines a current T-cell isolation method with the Strep-Tag technology. In principle, the T-cells are separated by establishing a specific interaction between the T-cell of interest and a molecu... | Streptamer | Chemistry,Biology | 832 |
40,332,450 | https://en.wikipedia.org/wiki/The%20Rape%20of%20the%20Daughters%20of%20Leucippus | The Rape of the Daughters of Leucippus is a 1618 painting by Peter Paul Rubens and Jan Wildens. It is displayed at the Alte Pinakothek in Munich.
History
The painting was bought in Antwerp in 1716 by Johann Wilhelm, Elector Palatine. Initially sent to Mannheim, by 1805/06 it had reached Munich.
The landscape speciali... | The Rape of the Daughters of Leucippus | Astronomy | 442 |
9,801,876 | https://en.wikipedia.org/wiki/Simultaneous%20nitrification%E2%80%93denitrification | Simultaneous nitrification–denitrification (SNdN) is a wastewater treatment process. Microbial simultaneous nitrification-denitrification is the conversion of the ammonium ion to nitrogen gas in a single bioreactor. The process is dependent on floc characteristics, reaction kinetics, mass loading of readily biodegrada... | Simultaneous nitrification–denitrification | Chemistry,Engineering,Environmental_science | 629 |
3,551,139 | https://en.wikipedia.org/wiki/Spiro%20compound | In organic chemistry, spiro compounds are compounds that have at least two molecular rings sharing one common atom. Simple spiro compounds are bicyclic (having just two rings). The presence of only one common atom connecting the two rings distinguishes spiro compounds from other bicyclics. Spiro compounds may be fully... | Spiro compound | Chemistry | 1,415 |
725,585 | https://en.wikipedia.org/wiki/10%20Hygiea | 10 Hygiea is a major asteroid located in the main asteroid belt. With a mean diameter of between km and a mass estimated to be 3% of the total mass of the belt, it is the fourth-largest asteroid in the Solar System by both volume and mass, and is the largest of the C-type asteroids (dark asteroids with a carbonaceous ... | 10 Hygiea | Physics,Astronomy | 1,950 |
38,700,865 | https://en.wikipedia.org/wiki/HR%204072 | HR 4072 is a binary star system in the northern circumpolar constellation of Ursa Major. It has the variable star designation ET Ursae Majoris, abbreviated ET Uma, while HR 4072 is the system's designation from the Bright Star Catalogue. It has a white hue and is faintly visible to the naked eye with an apparent visual... | HR 4072 | Astronomy | 396 |
12,808,284 | https://en.wikipedia.org/wiki/Xylobiose | Xylobiose is a disaccharide of xylose monomers with a beta-1,4-bond between them.
References
Disaccharides | Xylobiose | Chemistry | 38 |
2,026,216 | https://en.wikipedia.org/wiki/Bouveault%20aldehyde%20synthesis | The Bouveault aldehyde synthesis (also known as the Bouveault reaction) is a one-pot substitution reaction that replaces an alkyl or aryl halide with a formyl group using a N,N-disubstituted formamide.
For primary alkyl halides this produces the homologous aldehyde one carbon longer. For aryl halides this produces the ... | Bouveault aldehyde synthesis | Chemistry | 262 |
3,146,792 | https://en.wikipedia.org/wiki/Reed%20reaction | The Reed reaction is a chemical reaction that utilizes light to oxidize hydrocarbons to alkylsulfonyl chlorides. This reaction is employed in modifying polyethylene to give chlorosulfonated polyethylene (CSPE), which is noted for its toughness.
Commercial implementations
Polyethylene is treated with a mixture of chl... | Reed reaction | Chemistry | 359 |
15,417,785 | https://en.wikipedia.org/wiki/KIAA0515 | Protein BAT2-like is a protein that in humans is encoded by the BAT2L gene.
Interactions
KIAA0515 has been shown to interact with EHMT2.
References
Further reading | KIAA0515 | Chemistry | 41 |
22,482,566 | https://en.wikipedia.org/wiki/VV%20Corvi | VV Corvi (abbreviated as VV Crv) is a close spectroscopic binary in the constellation Corvus. It is also an eclipsing binary, varying from magnitude 5.19 to 5.34 over 3.145 days. The two stars orbit each other with a period of 1.46 days and an eccentricity of 0.088. The mass ratio of the two stars is 0.775±0.024. The p... | VV Corvi | Astronomy | 298 |
3,605,843 | https://en.wikipedia.org/wiki/Percy%20John%20Heawood | Percy John Heawood (8 September 1861 – 24 January 1955) was a British mathematician, who concentrated on graph colouring.
Life
He was the son of the Rev. John Richard Heawood of Newport, Shropshire, and his wife Emily Heath, daughter of the Rev. Joseph Heath of Wigmore, Herefordshire; and a first cousin of Oliver Lodg... | Percy John Heawood | Mathematics | 530 |
5,536,529 | https://en.wikipedia.org/wiki/LED%20circuit | In electronics, an LED circuit or LED driver is an electrical circuit used to power a light-emitting diode (LED). The circuit must provide sufficient current to light the LED at the required brightness, but must limit the current to prevent damaging the LED. The voltage drop across a lit LED is approximately constant o... | LED circuit | Engineering | 2,531 |
11,834,731 | https://en.wikipedia.org/wiki/Cerberus%20%28protein%29 | Cerberus is a protein that in humans is encoded by the CER1 gene. Cerberus is a signaling molecule which contributes to the formation of the head, heart and left-right asymmetry of internal organs. This gene varies slightly from species to species but its overall functions seem to be similar.
Cerberus is secreted by t... | Cerberus (protein) | Chemistry | 2,091 |
12,150,996 | https://en.wikipedia.org/wiki/TAN-1057%20A | TAN-1057 A and TAN-1057 B are organic compounds found in the Flexibacter sp. PK-74 bacterium. TAN-1057 A and B are closely related structurally as diastereomers. Also related are TAN-1057 C and TAN-1057 D, isolated from the same bacteria. The four compounds have been shown to be an effective antibiotics against meth... | TAN-1057 A | Chemistry,Biology | 128 |
42,976,070 | https://en.wikipedia.org/wiki/Ichthyosaurus%20posthumus | "Ichthyosaurus" posthumus is a species of ichthyosaurs known from the Late Jurassic (early Tithonian age) Solnhofen Formation of Bavaria, Germany. Though several specimens have been referred to this species in the past, its type specimen consists only of isolated teeth that were destroyed during World War II, and it is... | Ichthyosaurus posthumus | Biology | 135 |
58,664 | https://en.wikipedia.org/wiki/Gas%20turbine | A gas turbine or gas turbine engine is a type of continuous flow internal combustion engine. The main parts common to all gas turbine engines form the power-producing part (known as the gas generator or core) and are, in the direction of flow:
a rotating gas compressor
a combustor
a compressor-driving turbine.
Addi... | Gas turbine | Physics,Technology,Engineering | 12,211 |
41,768,528 | https://en.wikipedia.org/wiki/Smithella%20propionica | Smithella propionica is a species of bacteria, the type species of its genus. It is anaerobic, syntrophic, propionate-oxidizing bacteria, with type strain LYPT (= OCM 661T).
References
Further reading
External links
LPSN
Type strain of Smithella propionica at BacDive - the Bacterial Diversity Metadatabase
Thermod... | Smithella propionica | Biology | 88 |
17,175,847 | https://en.wikipedia.org/wiki/MOAP | MOAP (Mobile Oriented Applications Platform) is the software platform for NTT DoCoMo's Freedom of Mobile Multimedia Access (FOMA) service for mobile phones.
It has a closed user interface, so third parties cannot develop software for native application software, or install third party applications, unlike S60 and UIQ.... | MOAP | Technology | 201 |
64,993 | https://en.wikipedia.org/wiki/Skin%20cancer | Skin cancers are cancers that arise from the skin. They are due to the development of abnormal cells that have the ability to invade or spread to other parts of the body. It occurs when skin cells grow uncontrollably, forming malignant tumors. The primary cause of skin cancer is prolonged exposure to ultraviolet (UV) r... | Skin cancer | Chemistry | 5,111 |
43,953,213 | https://en.wikipedia.org/wiki/Steady%20flight | Steady flight, unaccelerated flight, or equilibrium flight is a special case in flight dynamics where the aircraft's linear and angular velocity are constant in a body-fixed reference frame. Basic aircraft maneuvers such as level flight, climbs and descents, and coordinated turns can be modeled as steady flight maneuve... | Steady flight | Chemistry,Engineering | 1,424 |
24,093,673 | https://en.wikipedia.org/wiki/Pangu%20utility | The PANGU (Planet and Asteroid Natural scene Generation Utility) is a computer graphics utility of which the development was funded by ESA and performed by University of Dundee. It generates scenes of planets, moons, asteroids, spacecraft and rovers. The main purpose of the tool is to test and validate navigation tech... | Pangu utility | Astronomy | 141 |
31,001,884 | https://en.wikipedia.org/wiki/Transcription%20activator-like%20effector%20nuclease | Transcription activator-like effector nucleases (TALEN) are restriction enzymes that can be engineered to cut specific sequences of DNA. They are made by fusing a TAL effector DNA-binding domain to a DNA cleavage domain (a nuclease which cuts DNA strands). Transcription activator-like effectors (TALEs) can be engineere... | Transcription activator-like effector nuclease | Chemistry,Engineering,Biology | 1,751 |
56,071,996 | https://en.wikipedia.org/wiki/List%20of%20investigational%20antipsychotics | This is a list of investigational antipsychotics, or antipsychotics that are currently under development for clinical use but are not yet approved. Chemical/generic names are listed first, with developmental code names, synonyms, and brand names in parentheses.
This list was last comprehensively updated in December 20... | List of investigational antipsychotics | Chemistry | 956 |
78,826,190 | https://en.wikipedia.org/wiki/Giving%20Machine | A Giving Machine is a specialized vending machine that allows people to donate various items to select nonprofit organizations. The vending machines are put up in public areas throughout the world during the Christmas and holiday season by The Church of Jesus Christ of Latter-day Saints (also known as the LDS or Mormon... | Giving Machine | Engineering | 375 |
1,142,259 | https://en.wikipedia.org/wiki/Balance%20shaft | Balance shafts are used in piston engines to reduce vibration by cancelling out unbalanced dynamic forces. The counter balance shafts have eccentric weights and rotate in opposite direction to each other, which generates a net vertical force.
The balance shaft was invented and patented by British engineer Frederick W.... | Balance shaft | Technology | 716 |
53,266,177 | https://en.wikipedia.org/wiki/Targeted%20analysis%20sequencing | Targeted analysis sequencing (sometimes called target amplicon sequencing) (TAS) is a next-generation DNA sequencing technique focusing on amplicons and specific genes. It is useful in population genetics since it can target a large diversity of organisms. The TAS approach incorporates bioinformatics techniques to prod... | Targeted analysis sequencing | Chemistry,Biology | 160 |
2,728,382 | https://en.wikipedia.org/wiki/Beta%20Delphini | Beta Delphini (β Delphini, abbreviated Beta Del, β Del) is a binary star in the constellation of Delphinus. It is the brightest star in Delphinus.
The two components of the system are designated Beta Delphini A (officially named Rotanev , which is historically the name of the system) and B.
Nomenclature
β Delphini (L... | Beta Delphini | Astronomy | 684 |
58,665,743 | https://en.wikipedia.org/wiki/Latifa%20Elouadrhiri | Latifa Elouadrhiri is a Moroccan experimental physicist and researcher at Thomas Jefferson National Accelerator Facility studying elementary particle physics and nuclear physics.
She has worked significantly with the CLAS collaboration in Jefferson Lab's Hall B, performing 3D imaging of nucleons. Additionally, she is ... | Latifa Elouadrhiri | Physics | 673 |
5,579,825 | https://en.wikipedia.org/wiki/JTS%20Topology%20Suite | JTS Topology Suite (Java Topology Suite) is an open-source Java software library that provides an object model for Euclidean planar linear geometry together with a set of fundamental geometric functions. JTS is primarily intended to be used as a core component of vector-based geomatics software such as geographical in... | JTS Topology Suite | Mathematics | 1,102 |
52,475,512 | https://en.wikipedia.org/wiki/7%CE%B1-Hydroxyepiandrosterone | 7α-Hydroxyepiandrosterone (7α-OH-EPIA), also known as 3β,7α-dihydroxy-5α-androstan-17-one, is an endogenous, naturally occurring metabolite of epiandrosterone and dehydroepiandrosterone (DHEA) that is formed by the enzyme CYP7B1 in tissues such as the liver and brain.
See also
7β-Hydroxyepiandrosterone
7α-Hydroxy-DH... | 7α-Hydroxyepiandrosterone | Chemistry | 141 |
1,312,201 | https://en.wikipedia.org/wiki/Jon%20Huntsman%20Sr. | Jon Meade Huntsman Sr. (June 21, 1937 – February 2, 2018) was an American businessman and philanthropist. He was the founder and executive chairman of Huntsman Corporation, a global manufacturer and marketer of specialty chemicals. Huntsman plastics are used in a wide variety of familiar objects, including (formerly) c... | Jon Huntsman Sr. | Chemistry | 4,432 |
3,516,085 | https://en.wikipedia.org/wiki/Kelly%20hose | A kelly hose (also known as a mud hose or rotary hose) is a flexible, steel reinforced, high pressure hose that connects the standpipe to the kelly (or more specifically to the goose-neck on the swivel above the kelly) and allows free vertical movement of the kelly while facilitating the flow of drilling fluid through ... | Kelly hose | Chemistry,Engineering | 99 |
7,661,439 | https://en.wikipedia.org/wiki/Argon%20fluorohydride | Argon fluorohydride (systematically named fluoridohydridoargon) or argon hydrofluoride is an inorganic compound with the chemical formula HArF (also written ArHF). It is a compound of the chemical element argon.
Discovery
The discovery of this argon compound is credited to a group of Finnish scientists, led by Markku... | Argon fluorohydride | Physics,Chemistry | 296 |
70,922,711 | https://en.wikipedia.org/wiki/Robert%20S.%20Roth | Robert S. Roth (August 21, 1926 – July 16, 2012) was an American materials scientist known for his comprehensive research into the phase diagrams of ceramic materials and the structures of nonstoichiometric compounds.
Education and career
Roth studied geology at Coe College and University of Illinois Urbana-Champaign,... | Robert S. Roth | Chemistry,Materials_science,Engineering | 314 |
25,209,987 | https://en.wikipedia.org/wiki/Ipomoea%20%C3%97%20multifida | Ipomea × multifida is a hybridogenic species. Its ancestors are I. coccinea and I. quamoclit (the cypress vine).
Its allotetraploid is Ipomoea sloteri. Both are known as cardinal climber.
References
multifida
Hybrid plants | Ipomoea × multifida | Biology | 63 |
32,108,559 | https://en.wikipedia.org/wiki/Negative%20hyperconjugation | In organic chemistry, negative hyperconjugation is the donation of electron density from a filled π- or p-orbital to a neighboring σ*-orbital. This phenomenon, a type of resonance, can stabilize the molecule or transition state. It also causes an elongation of the σ-bond by adding electron density to its antibonding ... | Negative hyperconjugation | Chemistry | 182 |
12,993,409 | https://en.wikipedia.org/wiki/DNS%20rebinding | DNS rebinding is a method of manipulating resolution of domain names that is commonly used as a form of computer attack. In this attack, a malicious web page causes visitors to run a client-side script that attacks machines elsewhere on the network. In theory, the same-origin policy prevents this from happening: client... | DNS rebinding | Technology | 796 |
37,487,265 | https://en.wikipedia.org/wiki/Variational%20method%20%28quantum%20mechanics%29 | In quantum mechanics, the variational method is one way of finding approximations to the lowest energy eigenstate or ground state, and some excited states. This allows calculating approximate wavefunctions such as molecular orbitals. The basis for this method is the variational principle.
The method consists of choosi... | Variational method (quantum mechanics) | Physics,Chemistry,Mathematics | 1,388 |
13,170,237 | https://en.wikipedia.org/wiki/Jure%20uxoris | Jure uxoris (a Latin phrase meaning "by right of (his) wife") describes a title of nobility used by a man because his wife holds the office or title suo jure ("in her own right"). Similarly, the husband of an heiress could become the legal possessor of her lands. For example, married women in England and Wales were leg... | Jure uxoris | Biology | 1,254 |
73,949,761 | https://en.wikipedia.org/wiki/Chain%20extender | In polymer chemistry, a chain extender is a low molecular weight (MW) reagent that converts polymeric precursors to higher molecular weight derivatives. Often, it is convenient to prepare a polymer at an intermediate MW, which are suitable for solution- or melt-processing. At or near the final stages of production, t... | Chain extender | Physics,Chemistry | 155 |
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