id int64 580 79M | url stringlengths 31 175 | text stringlengths 9 245k | source stringlengths 1 109 | categories stringclasses 160
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64,186,951 | https://en.wikipedia.org/wiki/18-Methyltestosterone | 18-Methyltestosterone (18-MT) is an androgen/anabolic steroid (AAS) which was never marketed. Along with 19-nortestosterone (nandrolone) and 17α-ethynyltestosterone (ethisterone), it is a parent structure of a number of progestogens and AAS. These include the progestogens levonorgestrel (17α-ethynyl-18-methyl-19-nortes... | 18-Methyltestosterone | Chemistry | 237 |
54,206,400 | https://en.wikipedia.org/wiki/Antoine%20Wagner | Antoine Amadeus Wagner-Pasquier ( , ; 1982) is an American-French visual artist. He works between Woodstock, NY and Paris, France. Through a visual language drawn from nature his work refers to mythological narratives and the sublime.
Early life and education
Wagner was born in Evanston, Illinois. He is the son of Ger... | Antoine Wagner | Engineering | 1,390 |
4,334,418 | https://en.wikipedia.org/wiki/The%20Complexity%20of%20Songs | "The Complexity of Songs" is a scholarly article by computer scientist Donald Knuth published in 1977 as an in-joke about computational complexity theory. The article capitalizes on what it argues is the tendency of popular songs to devolve from long and content-rich ballads to highly repetitive texts with little or no... | The Complexity of Songs | Mathematics | 776 |
55,406,959 | https://en.wikipedia.org/wiki/Clearwater%20river%20%28river%20type%29 | A clearwater river is classified based on its chemistry, sediments and water colour. Clearwater rivers have a low conductivity, relatively low levels of dissolved solids, typically have a neutral to slightly acidic pH and are very clear with a greenish colour. Clearwater rivers often have fast-flowing sections.
The ma... | Clearwater river (river type) | Biology | 935 |
21,827,841 | https://en.wikipedia.org/wiki/Trolox%20equivalent%20antioxidant%20capacity | The Trolox equivalent antioxidant capacity (TEAC) assay measures the antioxidant capacity of a given substance, as compared to the standard, Trolox. Most commonly, antioxidant capacity is measured using the ABTS Decolorization Assay. Other antioxidant capacity assays which use Trolox as a standard include the diphenylp... | Trolox equivalent antioxidant capacity | Chemistry,Biology | 145 |
8,813,885 | https://en.wikipedia.org/wiki/Octahedral%20prism | In geometry, an octahedral prism is a convex uniform 4-polytope. This 4-polytope has 10 polyhedral cells: 2 octahedra connected by 8 triangular prisms.
Alternative names
Octahedral dyadic prism (Norman W. Johnson)
Ope (Jonathan Bowers, for octahedral prism)
Triangular antiprismatic prism
Triangular antiprismatic h... | Octahedral prism | Physics | 479 |
173,366 | https://en.wikipedia.org/wiki/Mechanization | Mechanization (or mechanisation) is the process of changing from working largely or exclusively by hand or with animals to doing that work with machinery. In an early engineering text, a machine is defined as follows:
In every fields, mechanization includes the use of hand tools. In modern usage, such as in engineeri... | Mechanization | Physics,Technology,Engineering | 2,131 |
7,639,649 | https://en.wikipedia.org/wiki/Green%20thread | In computer programming, a green thread is a thread that is scheduled by a runtime library or virtual machine (VM) instead of natively by the underlying operating system (OS). Green threads emulate multithreaded environments without relying on any native OS abilities, and they are managed in user space instead of kerne... | Green thread | Technology | 1,484 |
61,037,921 | https://en.wikipedia.org/wiki/Scale%20cube | The scale cube is a technology model that indicates three methods (or approaches) by which technology platforms may be scaled to meet increasing levels of demand upon the system in question. The three approaches defined by the model include scaling through replication or cloning (the “X axis”), scaling through segmenta... | Scale cube | Technology,Engineering | 679 |
71,586,519 | https://en.wikipedia.org/wiki/Q.%20Jane%20Wang | Qian Jane Wang is an American professor of mechanical engineering and the Executive Director for the Center for Surface Engineering and Tribology at Northwestern University. She is a tribologist whose research includes work on contact mechanics, lubrication, micromechanics, and solid-state batteries.
Education
Wang st... | Q. Jane Wang | Materials_science | 457 |
14,812,371 | https://en.wikipedia.org/wiki/SNRPN%20upstream%20reading%20frame%20protein | SNRPN upstream reading frame protein is a protein that in humans is encoded by the SNURF gene.
Function
This gene encodes a highly basic protein localized to the nucleus. The evolutionarily constrained open reading frame is found on a bicistronic transcript which has a downstream ORF encoding the small nuclear ribon... | SNRPN upstream reading frame protein | Chemistry | 231 |
951,901 | https://en.wikipedia.org/wiki/Rood%20screen | The rood screen (also choir screen, chancel screen, or jubé) is a common feature in late medieval church architecture. It is typically an ornate partition between the chancel and nave, of more or less open tracery constructed of wood, stone, or wrought iron. The rood screen was originally surmounted by a rood loft carr... | Rood screen | Technology,Engineering | 4,617 |
24,587,695 | https://en.wikipedia.org/wiki/AN/MRN-1 | The AN/MRN-1 was an instrument approach localizer used by the Army Air Force during and after World War II. It was standardized on 3 July 1942. It replaced the SCR-241, and was a component of SCS-51.
Use
The transmitter provides a signal to guide the RC-103 equipped aircraft to the centerline of a runway. The set radi... | AN/MRN-1 | Technology,Engineering | 890 |
38,104,403 | https://en.wikipedia.org/wiki/Polar%20code%20%28coding%20theory%29 | In information theory, polar codes are a linear block error-correcting codes. The code construction is based on a multiple recursive concatenation of a short kernel code which transforms the physical channel into virtual outer channels. When the number of recursions becomes large, the virtual channels tend to either ha... | Polar code (coding theory) | Mathematics,Engineering | 1,022 |
17,699,541 | https://en.wikipedia.org/wiki/Filmnet | FilmNet was the name used for several premium television channels in Europe during the 1980s, 1990s and 2000s. It was launched on 9 March 1985, broadcasting with a focus on Scandinavia, the Netherlands and the northern part of Belgium (Flanders). Filmnet channels were later launched in Poland and Greece.
History
Filmn... | Filmnet | Technology | 888 |
128,608 | https://en.wikipedia.org/wiki/Population%20density | Population density (in agriculture: standing stock or plant density) is a measurement of population per unit land area. It is mostly applied to humans, but sometimes to other living organisms too. It is a key geographical term.
Biological population densities
Population density is population divided by total land are... | Population density | Environmental_science | 972 |
326,776 | https://en.wikipedia.org/wiki/Online%20service%20provider | An online service provider (OSP) can, for example, be an Internet service provider, an email provider, a news provider (press), an entertainment provider (music, movies), a search engine, an e-commerce site, an online banking site, a health site, an official government site, social media, a wiki, or a Usenet newsgroup... | Online service provider | Technology,Engineering | 2,113 |
11,080,599 | https://en.wikipedia.org/wiki/Mallee%20%28habit%29 | Mallee are trees or shrubs, mainly certain species of eucalypts, which grow with multiple stems springing from an underground lignotuber, usually to a height of no more than . The term is widely used for trees with this growth habit across southern Australia, in the states of Western Australia, South Australia, New So... | Mallee (habit) | Biology | 1,037 |
40,107,286 | https://en.wikipedia.org/wiki/Digital%20scholarship | Digital scholarship is the use of digital evidence, methods of inquiry, research, publication and preservation to achieve scholarly and research goals. Digital scholarship can encompass both scholarly communication using digital media and research on digital media. An important aspect of digital scholarship is the effo... | Digital scholarship | Technology | 1,508 |
67,333,282 | https://en.wikipedia.org/wiki/Foltx | Foltx is a vitamin supplement containing a combination of vitamin B6 (pyridoxine), vitamin B12 (cyanocobalamin), and folic acid (folacin). It may be used to treat hyperhomocysteinemia, a medical condition.
References
B vitamins | Foltx | Chemistry | 66 |
51,087,701 | https://en.wikipedia.org/wiki/Penny%20%28unit%29 | In the United States, the length of a nail is designated by its penny size, written with a number and the abbreviation d for penny; for example, 10d for a ten-penny nail. A larger number indicates a longer nail, shown in the table below. Diameter of the nail also varies based on penny size, depending on nail type. Nail... | Penny (unit) | Mathematics | 279 |
66,824,873 | https://en.wikipedia.org/wiki/Cold-stunning | Cold-stunning, also known as hypothermic stunning, is a hypothermic reaction experienced by marine reptiles, notably sea turtles, when exposed to cold water for prolonged periods, which causes them to become weak and inactive. Cold-stunned sea turtles may float to the surface and be further exposed to cold temperatures... | Cold-stunning | Biology | 221 |
11,121,146 | https://en.wikipedia.org/wiki/Jet%20noise | In aeroacoustics, jet noise is the field that focuses on the noise generation caused by high-velocity jets and the turbulent eddies generated by shearing flow. Such noise is known as broadband noise and extends well beyond the range of human hearing (100 kHz and higher). Jet noise is also responsible for some of the l... | Jet noise | Chemistry,Engineering | 497 |
64,120,117 | https://en.wikipedia.org/wiki/Robodebt%20scheme | The Robodebt scheme was an unlawful method of automated debt assessment and recovery implemented in Australia under the Liberal-National Coalition governments of Tony Abbott, Malcolm Turnbull, and Scott Morrison, and employed by the Australian government agency Services Australia as part of its Centrelink payment compl... | Robodebt scheme | Engineering | 3,829 |
70,780,393 | https://en.wikipedia.org/wiki/Three%20Women%20%28TV%20series%29 | Three Women is an American television limited series based on the 2019 book of the same name by Lisa Taddeo. The series was initially set to premiere on Showtime, but on January 30, 2023, Deadline reported that Showtime had decided not to air the completed series. Starz picked up the series a week later. All 10 episode... | Three Women (TV series) | Biology | 722 |
16,782,463 | https://en.wikipedia.org/wiki/HD%20196885%20Ab | HD 196885 Ab (also referred to as HD 196885 b) is a Jovian planet with a minimum mass 2.96 times the mass of Jupiter. This planet was discovered on October 23, 2007. In 2022, the planet's inclination and true mass were measured via astrometry, showing it to be about .
References
External links
Exoplanets discover... | HD 196885 Ab | Astronomy | 99 |
24,969,353 | https://en.wikipedia.org/wiki/Plasma%20lamp | Plasma lamps are a type of electrodeless gas-discharge lamp energized by radio frequency (RF) power. They are distinct from the novelty plasma lamps that were popular in the 1980s.
The internal-electrodeless lamp was invented by Nikola Tesla after his experimentation with high-frequency currents in evacuated glass tub... | Plasma lamp | Physics | 1,051 |
5,234,734 | https://en.wikipedia.org/wiki/Logic%20Trunked%20Radio | Logic Trunked Radio (LTR) is a radio system developed in the late 1970s by the E. F. Johnson Company.
LTR is distinguished from some other common trunked radio systems in that it does not have a dedicated control channel. LTR systems are limited to 20 channels (repeaters) per site and each site stands alone (not linke... | Logic Trunked Radio | Engineering | 306 |
37,017,517 | https://en.wikipedia.org/wiki/Nilcurve | In mathematics, a nilcurve is a pointed stable curve over a finite field with an indigenous bundle whose p-curvature is square nilpotent. Nilcurves were introduced by as a central concept in his theory of p-adic Teichmüller theory.
The nilcurves form a stack over the moduli stack of stable genus g curves with r marke... | Nilcurve | Mathematics | 98 |
24,447,073 | https://en.wikipedia.org/wiki/Tahoe-LAFS | Tahoe-LAFS (Tahoe Least-Authority File Store) is a free and open, secure, decentralized, fault-tolerant, distributed data store and distributed file system. It can be used as an online backup system, or to serve as a file or Web host similar to Freenet, depending on the front-end used to insert and access files in the ... | Tahoe-LAFS | Technology | 810 |
73,165,446 | https://en.wikipedia.org/wiki/Fling%20%28social%20network%29 | Fling was a social media app available for IOS and Android. It was founded in 2014 by Marco Nardone and was taken offline in August 2016.
Overview
In 2012, Marco Nardone founded the startup Unii and launched Unii.com, a social network intended for students in the UK. While working on this service, Nardone had the idea... | Fling (social network) | Technology | 573 |
32,679,816 | https://en.wikipedia.org/wiki/ELFV%20dehydrogenase | In molecular biology, the ELFV dehydrogenase family of enzymes include glutamate, leucine, phenylalanine and valine dehydrogenases. These enzymes are structurally and functionally related. They contain a Gly-rich region containing a conserved Lys residue, which has been implicated in the catalytic activity, in each cas... | ELFV dehydrogenase | Biology | 494 |
63,694,803 | https://en.wikipedia.org/wiki/Master%20mix%20%28PCR%29 | A master mix is a mixture containing precursors and enzymes used as an ingredient in polymerase chain reaction techniques in molecular biology. Such mixtures contain a mixture dNTPs (required as a substrate for the building of new DNA strands), MgCl2, Taq polymerase (an enzyme required to building new DNA strands), a p... | Master mix (PCR) | Chemistry,Biology | 144 |
63,990,850 | https://en.wikipedia.org/wiki/Cone-saturated | In mathematics, specifically in order theory and functional analysis, if is a cone at 0 in a vector space such that then a subset is said to be -saturated if where
Given a subset the -saturated hull of is the smallest -saturated subset of that contains
If is a collection of subsets of then
If is a coll... | Cone-saturated | Mathematics | 219 |
1,774,909 | https://en.wikipedia.org/wiki/Trailer%20%28computing%29 | In information technology, a trailer or footer refers to supplemental data (metadata) placed at the end of a block of data being stored or transmitted, which may contain information for the handling of the data block, or simply mark the block's end.
In data transmission, the data following the end of the header and pr... | Trailer (computing) | Technology | 195 |
41,648,302 | https://en.wikipedia.org/wiki/Shift%20plan | The shift plan, rota or roster (esp. British) is the central component of a shift schedule in shift work. The schedule includes considerations of shift overlap, shift change times and alignment with the clock, vacation, training, shift differentials, holidays, etc. The shift plan determines the sequence of work (W) and... | Shift plan | Biology | 5,550 |
5,047,118 | https://en.wikipedia.org/wiki/Range%20%28particle%20radiation%29 | In passing through matter, charged particles ionize and thus lose energy in many steps, until their energy is (almost) zero. The distance to this point is called the range of the particle. The range depends on the type of particle, on its initial energy and on the material through which it passes.
For example, if the ... | Range (particle radiation) | Physics,Chemistry | 541 |
1,153,898 | https://en.wikipedia.org/wiki/KVM%20switch | A KVM switch (with KVM being an abbreviation for "keyboard, video, and mouse") is a hardware device that allows a user to control multiple computers from one or more sets of keyboards, video monitors, and mouse.
Name
Switches to connect multiple computers to one or more peripherals have had multiple names.
The earli... | KVM switch | Technology | 3,454 |
35,585,549 | https://en.wikipedia.org/wiki/CheShift | CheShift-2 (pronounced /tʃeʃɪft/) is an application created to compute 13Cα and 13Cβ protein chemical shifts and to validate protein structures. It is based on quantum mechanics computations of 13Cα and 13Cβchemical shift as a function of the torsional angles (φ, ψ, ω and χ1, χ2) of the 20 amino acids.
CheShift-2 can... | CheShift | Biology | 317 |
16,806,577 | https://en.wikipedia.org/wiki/Base-richness | In ecology, base-richness is the level of chemical bases in water or soil, such as calcium or magnesium ions. Many organisms prefer base-rich environments.
Chemical bases are alkalis, hence base-rich environments are either neutral or alkaline. Because acid-rich environments have few bases, they are dominated by envi... | Base-richness | Chemistry,Biology | 328 |
38,233,680 | https://en.wikipedia.org/wiki/Peatland | A peatland is a type of wetland whose soils consist of organic matter from decaying plants, forming layers of peat. Peatlands arise because of incomplete decomposition of organic matter, usually litter from vegetation, due to water-logging and subsequent anoxia. Peatlands are unusual landforms that derive mostly from b... | Peatland | Environmental_science | 5,941 |
3,113,332 | https://en.wikipedia.org/wiki/Upsilon2%20Eridani | {{DISPLAYTITLE:Upsilon2 Eridani}}
Upsilon2 Eridani (υ² Eridani, abbreviated Upsilon2 Eri, υ2 Eri), officially named Theemin , is a star in the constellation of Eridanus. It is visible to the naked eye with an apparent visual magnitude of 3.8. Based upon parallax measurements obtained during the Hipparcos mission, it i... | Upsilon2 Eridani | Astronomy | 518 |
24,663,324 | https://en.wikipedia.org/wiki/PICMG%202.2 | PICMG 2.2 is a specification by PICMG that standardizes pin assignments for PICMG 2.0 CompactPCI to include VME64 Extensions.
Status
Adopted : 9/9/1998
Current Revision : 1.0
References
Open standards
PICMG standards | PICMG 2.2 | Technology | 54 |
36,659,903 | https://en.wikipedia.org/wiki/Statistical%20area%20%28United%20States%29 | The United States federal government defines and delineates the nation's metropolitan areas for statistical purposes, using a set of standard statistical area definitions. the U.S. Office of Management and Budget (OMB) defined and delineated 393 metropolitan statistical areas (MSAs) and 542 micropolitan statistical ar... | Statistical area (United States) | Mathematics | 508 |
24,987,602 | https://en.wikipedia.org/wiki/Waterborne%20Disease%20and%20Outbreak%20Reporting%20System | The Waterborne Disease and Outbreak Surveillance System (WBDOSS) is a national surveillance system maintained by the U.S. Centers for Disease Control and Prevention (CDC). The WBDOSS receives data about waterborne disease outbreaks and single cases of waterborne diseases of public health importance (for example, Primar... | Waterborne Disease and Outbreak Reporting System | Chemistry,Engineering,Environmental_science | 894 |
39,263,516 | https://en.wikipedia.org/wiki/Nora%20Rubashova | Nora Rubashova (12 March 1909 – 12 May 1987) was a Belarusian Catholic nun who converted from Judaism to the Russian Greek Catholic Church. Her monastic name was Catherine.
Biography
Nora Rubashova was born in Minsk, Belarus, in a wealthy Orthodox Jewish family. In April 1926, under the influence of her high school te... | Nora Rubashova | Biology | 1,580 |
19,439,206 | https://en.wikipedia.org/wiki/NGC%205754 | NGC 5754 is a barred spiral galaxy located 218 million light years away in the constellation Boötes. It was discovered by German-British astronomer William Herschel on 16 May 1787.
NGC 5754 is listed in the Atlas of Peculiar Galaxies as Arp 297, an interacting galaxies group, which consists of NGC 5752, NGC 5753, NGC ... | NGC 5754 | Astronomy | 186 |
41,081,924 | https://en.wikipedia.org/wiki/3D%20sound%20localization | 3D sound localization refers to an acoustic technology that is used to locate the source of a sound in a three-dimensional space. The source location is usually determined by the direction of the incoming sound waves (horizontal and vertical angles) and the distance between the source and sensors. It involves the struc... | 3D sound localization | Physics | 3,574 |
47,329,480 | https://en.wikipedia.org/wiki/One-to-one%20%28data%20model%29 | In systems analysis, a one-to-one relationship is a type of cardinality that refers to the relationship between two entities (see also entity–relationship model) A and B in which one element of A may only be linked to one element of B, and vice versa. In mathematical terms, there exists a bijective function from A to B... | One-to-one (data model) | Engineering | 312 |
1,573,974 | https://en.wikipedia.org/wiki/Ken%20Alibek | Kanatzhan "Kanat" Baizakovich Alibekov (born 1950), known as Kenneth "Ken" Alibek since 1992, is a Kazakh-American microbiologist, bioweaponeer, and biological warfare administrative management expert. He was the first deputy director of Biopreparat.
During his career in Soviet bioweaponry development in the late 197... | Ken Alibek | Biology | 4,134 |
57,820,758 | https://en.wikipedia.org/wiki/HD%2089345%20b | HD 89345 b is a Neptune-like exoplanet that orbits a G-type star. It is also called K2-234b. Its mass is equivalent to 35.7 Earths, it takes 11.8 days to complete one orbit of its star, and is 0.105 AU away from its star. It was discovered by a team of 43 astrophysicists, one of which was V. Van Eylen, and was announce... | HD 89345 b | Astronomy | 670 |
67,528,686 | https://en.wikipedia.org/wiki/Telkom-1 | Telkom-1 was a geosynchronous communications satellite built by Lockheed Martin, (Sunnyvale, California), for Indonesia's state-owned telecommunications company, PT Telekomunikasi Indonesia Tbk (PT Telkom). It operated for almost 18 years, more than two years past designed lifetime of 15 years.
Launch
Telkom-1 was su... | Telkom-1 | Astronomy,Technology | 402 |
22,217,168 | https://en.wikipedia.org/wiki/Cyber%20espionage | Cyber espionage, cyber spying, or cyber-collection is the act or practice of obtaining secrets and information without the permission and knowledge of the holder of the information using methods on the Internet, networks or individual computers through the use of proxy servers, cracking techniques and malicious softwar... | Cyber espionage | Technology,Engineering | 2,071 |
1,393,456 | https://en.wikipedia.org/wiki/Landscape%20maintenance | Landscape maintenance (or groundskeeping) is the art and vocation of keeping a landscape healthy, clean, safe and attractive, typically in a garden, yard, park, institutional setting or estate. Using tools, supplies, knowledge, physical exertion and skills, a groundskeeper may plan or carry out annual plantings and ha... | Landscape maintenance | Engineering | 620 |
2,417,230 | https://en.wikipedia.org/wiki/Sound%20recording%20and%20reproduction | Sound recording and reproduction is the electrical, mechanical, electronic, or digital inscription and re-creation of sound waves, such as spoken voice, singing, instrumental music, or sound effects. The two main classes of sound recording technology are analog recording and digital recording.
Acoustic analog recordin... | Sound recording and reproduction | Technology,Engineering | 7,905 |
3,647,987 | https://en.wikipedia.org/wiki/Allogamy | Allogamy or cross-fertilization is the
fertilization of an ovum from one individual with the spermatozoa of another. By contrast, autogamy is the term used for self-fertilization. In humans, the fertilization event is an instance of allogamy. Self-fertilization occurs in hermaphroditic organisms where the two gametes f... | Allogamy | Biology | 696 |
28,663,133 | https://en.wikipedia.org/wiki/DEME | Dredging, Environmental and Marine Engineering NV (DEME) is an international group of specialised companies in the fields of capital and maintenance dredging, land reclamation, port infrastructure development, offshore related services for the oil & gas industry, offshore windfarm installation, and environmental remedi... | DEME | Engineering | 6,023 |
699,722 | https://en.wikipedia.org/wiki/R%C3%B8mer%20scale | The Rømer scale (; notated as °Rø), also known as Romer or Roemer, is a temperature scale named after the Danish astronomer Ole Christensen Rømer, who developed it for his own use in around 1702. It is based on the freezing point of pure water being 7.5 degrees and the boiling point of water as 60 degrees.
Degree meas... | Rømer scale | Physics,Mathematics | 689 |
4,117,074 | https://en.wikipedia.org/wiki/Acoustic%20cleaning | Acoustic cleaning is a maintenance method used in material-handling and storage systems that handle bulk granular or particulate materials, such as grain elevators, to remove the buildup of material on surfaces. An acoustic cleaning apparatus, usually built into the material-handling equipment, works by generating powe... | Acoustic cleaning | Physics,Engineering | 2,089 |
63,486,013 | https://en.wikipedia.org/wiki/Snout%E2%80%93vent%20length | Snout–vent length (SVL) is a morphometric measurement taken in herpetology from the tip of the snout to the most posterior opening of the cloacal slit (vent). It is the most common measurement taken in herpetology, being used for all amphibians, lepidosaurs, and crocodilians (for turtles, carapace length (CL) and plas... | Snout–vent length | Physics,Mathematics | 264 |
54,439,518 | https://en.wikipedia.org/wiki/Junior%20Solar%20Sprint | Junior Solar Sprint (JSS) is a competitive program for 5th- to 8th-grade students to create a small solar-powered vehicle. JSS competitions are sponsored by the Army Educational Outreach Program (AEOP), and administered by the Technology Student Association (TSA). Objectives of JSS are to create the fastest, most inter... | Junior Solar Sprint | Technology | 585 |
3,676,597 | https://en.wikipedia.org/wiki/Gabazine | Gabazine (SR-95531) is a drug that acts as an antagonist at GABAA receptors. It is used in scientific research and has no role in medicine, as it would be expected to produce convulsions if used in humans.
Gabazine binds to the GABA recognition site of the receptor-channel complex and acts as an allosteric inhibitor o... | Gabazine | Chemistry | 233 |
53,089,397 | https://en.wikipedia.org/wiki/Photolabile%20protecting%20group | A photolabile protecting group (PPG; also known as: photoremovable, photosensitive, or photocleavable protecting group) is a chemical modification to a molecule that can be removed with light. PPGs enable high degrees of chemoselectivity as they allow researchers to control spatial, temporal and concentration variables... | Photolabile protecting group | Chemistry | 2,977 |
10,536,327 | https://en.wikipedia.org/wiki/NGC%206027a | NGC 6027a is a spiral galaxy that is part of Seyfert's Sextet, a compact group of galaxies, which is located in the constellation Serpens. In optical wavelengths, it has a strong resemblance to Messier 104, the Sombrero Galaxy, with which it shares a near equivalent orientation to observers on Earth.
See also
NGC 602... | NGC 6027a | Astronomy | 132 |
19,544,011 | https://en.wikipedia.org/wiki/Pintle%20injector | The pintle injector is a type of propellant injector for a bipropellant rocket engine. Like any other injector, its purpose is to ensure appropriate flow rate and intermixing of the propellants as they are forcibly injected under high pressure into the combustion chamber, so that an efficient and controlled combustion ... | Pintle injector | Technology | 3,341 |
185,370 | https://en.wikipedia.org/wiki/Drooling | Drooling, or slobbering, is the flow of saliva outside the mouth. Drooling can be caused by excess production of saliva, inability to retain saliva within the mouth (incontinence of saliva), or problems with swallowing (dysphagia or odynophagia).
There are some frequent and harmless cases of drooling – for instance, a... | Drooling | Biology | 809 |
60,765,961 | https://en.wikipedia.org/wiki/Eugene%20Catalan%20Prize | The Eugene Catalan Prize (Prix Eugène-Catalan) is awarded every five years by the Royal Academies for Science and the Arts of Belgium to recognize a scholar who has made important progress in pure mathematics. The prize, created in honor of the mathematician Eugène Charles Catalan, was first given in 1969; the original... | Eugene Catalan Prize | Technology | 158 |
382,139 | https://en.wikipedia.org/wiki/Interferon%20beta-1a | Interferon beta-1a (also interferon beta 1-alpha) is a cytokine in the interferon family used to treat multiple sclerosis (MS). It is produced by mammalian cells, while interferon beta-1b is produced in modified E. coli. Some research indicates that interferon injections may result in an 18–38% reduction in the rate ... | Interferon beta-1a | Chemistry,Biology | 2,058 |
65,291,136 | https://en.wikipedia.org/wiki/Tulane%20National%20Primate%20Research%20Center | The Tulane National Primate Research Center (TNPRC) is a federally funded biomedical research facility affiliated with Tulane University. The TNPRC is one of seven National Primate Research Centers which conduct biomedical research on primates. The TNPRC is situated in 500 acres of land in Covington, Louisiana, and ori... | Tulane National Primate Research Center | Engineering,Biology | 604 |
5,735,440 | https://en.wikipedia.org/wiki/Virial%20stress | In mechanics, virial stress is a measure of stress on an atomic scale for homogeneous systems. The name is derived : "Virial is then derived from Latin as well, stemming from the word (plural of ) meaning forces." The expression of the (local) virial stress can be derived as the functional derivative of the free ener... | Virial stress | Physics | 612 |
1,037,401 | https://en.wikipedia.org/wiki/Picatinny%20rail | The 1913 rail (MIL-STD-1913 rail) is an American rail integration system designed by Richard Swan that provides a mounting platform for firearm accessories. It forms part of the NATO standard STANAG 2324 rail. It was originally used for mounting of telescopic sights atop the receivers of larger caliber rifles.
Once e... | Picatinny rail | Technology,Engineering | 963 |
2,161,528 | https://en.wikipedia.org/wiki/Yan%20tan%20tethera | Yan Tan Tethera or yan-tan-tethera is a sheep-counting system traditionally used by shepherds in Northern England and some other parts of Britain. The words are numbers taken from Brythonic Celtic languages such as Cumbric which had died out in most of Northern England by the sixth century, but they were commonly used ... | Yan tan tethera | Mathematics | 1,079 |
2,814,326 | https://en.wikipedia.org/wiki/Effective%20atomic%20number%20%28compounds%20and%20mixtures%29 | The atomic number of a material exhibits a strong and fundamental relationship with the nature of radiation interactions within that medium. There are numerous mathematical descriptions of different interaction processes that are dependent on the atomic number, . When dealing with composite media (i.e. a bulk material ... | Effective atomic number (compounds and mixtures) | Physics,Chemistry | 733 |
23,019,319 | https://en.wikipedia.org/wiki/Cucurbitin | Cucurbitin is an amino acid and a carboxypyrrolidine that is found in Cucurbita seeds. Cucurbitin causes degenerative changes in the reproductive organs of parasitic flatworms called flukes.
References
2,3-Diaminopropionic acids
Pyrrolidines
Plant toxins | Cucurbitin | Chemistry | 73 |
571,480 | https://en.wikipedia.org/wiki/Absorbed%20dose | Absorbed dose is a dose quantity which is the measure of the energy deposited in matter by ionizing radiation per unit mass. Absorbed dose is used in the calculation of dose uptake in living tissue in both radiation protection (reduction of harmful effects), and radiology (potential beneficial effects, for example in ... | Absorbed dose | Physics,Chemistry,Mathematics,Biology | 1,726 |
55,805,806 | https://en.wikipedia.org/wiki/NGC%20496 | NGC 496, also occasionally referred to as PGC 5037, UGC 927 or GC 288, is a spiral galaxy in the constellation Pisces. It is located approximately 250 million light-years from the Solar System and was discovered on 12 September, 1784 by astronomer William Herschel.
Observation history
The object was discovered by Her... | NGC 496 | Astronomy | 289 |
11,548,124 | https://en.wikipedia.org/wiki/Peziotrichum%20corticola | Peziotrichum corticola is an ascomycete fungus that is a plant pathogen. It was first discovered in India by Massee. Rhinocladium corticola is a known synonym.
P. corticola causes black-band disease on the leaves and bark of mango trees. Black-band disease is little known, but highly infectious; it has caused signific... | Peziotrichum corticola | Biology | 100 |
25,464,970 | https://en.wikipedia.org/wiki/Solar%20eclipse%20of%20October%204%2C%202051 | A partial solar eclipse will occur at the Moon's ascending node of orbit between Wednesday, October 4 and Thursday, October 5, 2051, with a magnitude of 0.6024. A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby totally or partly obscuring the image of the Sun for a viewer on Earth. A partia... | Solar eclipse of October 4, 2051 | Astronomy | 539 |
71,364,289 | https://en.wikipedia.org/wiki/RR%20Lyncis | RR Lyncis is a star system in the northern constellation of Lynx, abbreviated RR Lyn. It is an eclipsing binary of the Algol type; one of the closest in the northern sky at an estimated distance of approximately 263 light years based on parallax measurements. The system is faintly visible to the naked eye with a combin... | RR Lyncis | Astronomy | 635 |
65,611,509 | https://en.wikipedia.org/wiki/List%20of%20plant%20genus%20names%20with%20etymologies%20%28L%E2%80%93P%29 | Since the first printing of Carl Linnaeus's Species Plantarum in 1753, plants have been assigned one epithet or name for their species and one name for their genus, a grouping of related species. Many of these plants are listed in Stearn's Dictionary of Plant Names for Gardeners. William Stearn (1911–2001) was one of t... | List of plant genus names with etymologies (L–P) | Biology | 477 |
32,421,458 | https://en.wikipedia.org/wiki/Ophiuchus%20in%20Chinese%20astronomy | The modern constellation Ophiuchus lies across two of the quadrants symbolized by the Azure Dragon of the East (東方青龍, Dōng Fāng Qīng Lóng) and The Black Tortoise of the North (北方玄武, Běi Fāng Xuán Wǔ), and Three Enclosures (三垣, Sān Yuán), that divide the sky in traditional Chinese uranography.
The name of the western c... | Ophiuchus in Chinese astronomy | Astronomy | 208 |
69,670,410 | https://en.wikipedia.org/wiki/Iron%28III%29%20azide | Iron(III) azide, also called ferric azide, is a chemical compound with the formula . It is an extremely explosive, impact-sensitive, hygroscopic dark brown solid. This compound is used to prepare various azidoalkanes, such as n-butyl azide, from alkenes via formation of alkylboranes and subsequent anti-Markovnikov addi... | Iron(III) azide | Chemistry | 201 |
8,384,010 | https://en.wikipedia.org/wiki/List%20of%20fluid%20mechanics%20journals | This is a list of scientific journals related to the field of fluid mechanics.
See also
List of scientific journals
List of physics journals
List of materials science journals
Fluid mechanics
Fluid mechanics | List of fluid mechanics journals | Chemistry,Engineering | 36 |
75,145,251 | https://en.wikipedia.org/wiki/Crematogaster%20aurora | Crematogaster aurora is a valid species of myrmicine ant that lived in Baltic Europe about 46 million to 43 million years ago during the Cenozoic era Eocene epoch. C. aurora has a similar look to the ant genus Acanthomyrmex and shares some similarities with the ant genus Pristomyrmex. The fossil found of C. aurora is o... | Crematogaster aurora | Biology | 126 |
40,200,137 | https://en.wikipedia.org/wiki/Comparison%20of%20crewed%20space%20vehicles | A number of different spacecraft have been used to carry people to and from outer space.
Table code key
Orbital and interplanetary space vehicles
Suborbital space vehicles
Footnotes
See also
Cargo spacecraft (robotic resupply spacecraft)
Comparison of orbital launch systems
Comparison of orbital rocket engines
Com... | Comparison of crewed space vehicles | Technology | 70 |
18,874,133 | https://en.wikipedia.org/wiki/Polysubstance%20dependence | Polysubstance dependence refers to a type of substance use disorder in which an individual uses at least three different classes of substances indiscriminately and does not have a favorite substance that qualifies for dependence on its own. Although any combination of three substances can be used, studies have shown th... | Polysubstance dependence | Chemistry | 4,324 |
33,314,617 | https://en.wikipedia.org/wiki/Radiation%20sensitivity | Radiation sensitivity is the susceptibility of a material to physical or chemical changes induced by radiation. Examples of radiation sensitive materials are silver chloride, photoresists and biomaterials. Pine trees are more radiation susceptible than birch due to the complexity of the pine DNA in comparison to the bi... | Radiation sensitivity | Physics,Materials_science,Engineering | 221 |
69,470,433 | https://en.wikipedia.org/wiki/Surplus%20sharing | Surplus sharing is a kind of a fair division problem where the goal is to share the financial benefits of cooperation (the "economic surplus") among the cooperating agents. As an example, suppose there are several workers such that each worker i, when working alone, can gain some amount ui. When they all cooperate in a... | Surplus sharing | Mathematics | 564 |
43,717,830 | https://en.wikipedia.org/wiki/Mac%20OS%20Romanian%20encoding | Mac OS Romanian is a character encoding used on Apple Macintosh computers to represent the Romanian language. It is a derivative of Mac OS Roman.
IBM uses code page 1285 (CCSID 1285) for Mac OS Romanian.
Character set
Each character is shown with its equivalent Unicode code point. Only the second half of the table (... | Mac OS Romanian encoding | Technology | 99 |
12,229,416 | https://en.wikipedia.org/wiki/Eternity%20II%20puzzle | The Eternity II puzzle (E2 or E II) is an edge-matching puzzle launched on 28 July 2007. It was developed by Christopher Monckton and marketed and copyrighted by TOMY UK Ltd as a successor to the original Eternity puzzle. The puzzle was part of a competition in which a $2 million prize was offered for the first complet... | Eternity II puzzle | Physics,Mathematics | 1,753 |
31,381,517 | https://en.wikipedia.org/wiki/United%20States%20Department%20of%20State%20panic%20button%20software | The panic button software is an application being developed by the United States Department of State as part of its "Internet freedom programming.” The program, which is designed for mobile devices, will allow users to wipe the contacts in address books, history, and text messages, and also sends out an alert to all th... | United States Department of State panic button software | Technology | 122 |
222,434 | https://en.wikipedia.org/wiki/Table%20of%20divisors | The tables below list all of the divisors of the numbers 1 to 1000.
A divisor of an integer n is an integer m, for which n/m is again an integer (which is necessarily also a divisor of n). For example, 3 is a divisor of 21, since 21/7 = 3 (and therefore 7 is also a divisor of 21).
If m is a divisor of n, then so is −... | Table of divisors | Mathematics | 578 |
1,342,704 | https://en.wikipedia.org/wiki/Hyphomicrobiales | The Hyphomicrobiales (synonom Rhizobiales) are an order of Gram-negative Alphaproteobacteria.
The rhizobia, which fix nitrogen and are symbiotic with plant roots, appear in several different families. The four families Nitrobacteraceae, Hyphomicrobiaceae, Phyllobacteriaceae, and Rhizobiaceae contain at least several g... | Hyphomicrobiales | Biology | 911 |
580,039 | https://en.wikipedia.org/wiki/Goods | In economics, goods are items that satisfy human wants and provide utility, for example, to a consumer making a purchase of a satisfying product. Economics focuses on the study of economic goods, or goods that are scarce; in other words, producing the good requires expending effort or resources. Economic goods contrast... | Goods | Physics | 2,390 |
22,506,127 | https://en.wikipedia.org/wiki/Inherent%20chirality | In chemistry, inherent chirality is a property of asymmetry in molecules arising, not from a stereogenic or chiral center, but from a twisting of the molecule in 3-D space. The term was first coined by Volker Boehmer in a 1994 review, to describe the chirality of calixarenes arising from their non-planar structure in... | Inherent chirality | Physics,Chemistry,Biology | 1,089 |
21,104,677 | https://en.wikipedia.org/wiki/TB10Cs1H1%20snoRNA | TB10Cs1H1 is a member of the H/ACA-like class of non-coding RNA (ncRNA) molecule that guide the sites of modification of uridines to pseudouridines of substrate RNAs. It is known as a small nucleolar RNA (snoRNA) thus named because of its cellular localization in the nucleolus of the eukaryotic cell. TB10Cs1H1 is pred... | TB10Cs1H1 snoRNA | Chemistry | 143 |
16,438,537 | https://en.wikipedia.org/wiki/Hooker%20reaction | In the Hooker reaction (1936) an alkyl chain in a certain naphthoquinone (phenomenon first observed in the compound lapachol) is reduced by one methylene unit as carbon dioxide in each potassium permanganate oxidation.
Mechanistically oxidation causes ring-cleavage at the alkene group, extrusion of carbon dioxide in d... | Hooker reaction | Chemistry | 97 |
45,253,066 | https://en.wikipedia.org/wiki/Missing%20middle%20housing | Missing middle housing refers to a lack of medium-density housing in the North American context.
The term describes an urban planning phenomenon in Canada, the United States, Australia and more recent developments in industrialized and newly industrializing countries due to zoning regulations favoring social and racia... | Missing middle housing | Engineering | 5,521 |
28,123,482 | https://en.wikipedia.org/wiki/Decarbonylation | In chemistry, decarbonylation is a type of organic reaction that involves the loss of carbon monoxide (CO). It is often an undesirable reaction, since it represents a degradation. In the chemistry of metal carbonyls, decarbonylation describes a substitution process, whereby a CO ligand is replaced by another ligand.
... | Decarbonylation | Chemistry | 888 |
50,777,184 | https://en.wikipedia.org/wiki/PTS%20glucose-glucoside%20%28Glc%29%20family | The PTS Glucose-Glucoside (Glc) family (TC# 4.A.1) includes porters specific for glucose, glucosamine, N-acetylglucosamine and a large variety of α- and β-glucosides, and is part of the PTS-GFL superfamily.
Homology
Not all β-glucoside PTS porters are in this class, as the PTS porter first described as the cellobiose... | PTS glucose-glucoside (Glc) family | Biology | 726 |
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