id int64 580 79M | url stringlengths 31 175 | text stringlengths 9 245k | source stringlengths 1 109 | categories stringclasses 160
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32,421,587 | https://en.wikipedia.org/wiki/Collaborative%20decision-making%20software | Collaborative decision-making (CDM) software is a software application or module that helps to coordinate and disseminate data and reach consensus among work groups.
CDM software coordinates the functions and features required to arrive at timely collective decisions, enabling all relevant stakeholders to participate ... | Collaborative decision-making software | Technology | 4,361 |
50,546,524 | https://en.wikipedia.org/wiki/TYC%209486-927-1 | TYC 9486-927-1 (also known as 2MASS J21252752-8138278) is the primary of a possible trinary star system located at a distance of 34.5 parsecs from Earth in the southern direction in the constellation of Octans. It is a BY Draconis variable, with large starspots causing it to change brightness as it rotates every 13 ho... | TYC 9486-927-1 | Astronomy | 368 |
1,949,856 | https://en.wikipedia.org/wiki/Hydrogenothermaceae | The Hydrogenothermaceae family are bacteria that live in harsh environmental settings. They have been found in hot springs, sulfur pools, and thermal ocean vents. They are true bacteria as opposed to the other inhabitants of extreme environments, the Archaea. An example occurrence of certain extremophiles in this famil... | Hydrogenothermaceae | Biology | 237 |
744,621 | https://en.wikipedia.org/wiki/Privilege%20escalation | Privilege escalation is the act of exploiting a bug, a design flaw, or a configuration oversight in an operating system or software application to gain elevated access to resources that are normally protected from an application or user. The result is that an application or user with more privileges than intended by th... | Privilege escalation | Technology | 2,204 |
29,260,448 | https://en.wikipedia.org/wiki/Babycurus%20toxin%201 | Babycurus-toxin 1 (BcTx1) is a component of the venom of the east African scorpion Babycurus centrurimorphus. This toxin modifies both the activation and the inactivation properties of insect sodium channels.
Sources
This toxin is a component of the venom secreted by the east African scorpion Babycurus centrurimorphu... | Babycurus toxin 1 | Chemistry | 357 |
13,789,074 | https://en.wikipedia.org/wiki/Methomyl | Methomyl is a carbamate insecticide introduced in 1966. It is highly toxic to humans, livestock, pets, and wildlife.
The EU imposed a pesticide residue limit of 0,01 mg/kg for all fruit and vegetables.
Methomyl is a common active ingredient in commercial fly bait, for which the label instructions in the United States... | Methomyl | Chemistry | 553 |
57,014,144 | https://en.wikipedia.org/wiki/MACS%20J1149%20Lensed%20Star%201 | MACS J1149 Lensed Star 1, also known as Icarus, is a blue supergiant star observed through a gravitational lens. It is the seventh most distant individual star to have been detected so far (after Earendel, Godzilla, Mothra, Quyllur, star-1 and star-2), at approximately 14 billion light-years from Earth (redshift z=1.49... | MACS J1149 Lensed Star 1 | Astronomy | 881 |
67,368,474 | https://en.wikipedia.org/wiki/Freshwater%20shoreline%20management | Freshwater Shoreline Management involves assessing and protecting lakes, rivers, and other freshwater shorelines from excessive development or other anthropogenic disturbances.
Shoreline management involves the long-term monitoring of watershed and shoreline revitalisation projects. Freshwater shoreline management is ... | Freshwater shoreline management | Engineering | 876 |
25,501,419 | https://en.wikipedia.org/wiki/Indoor%E2%80%93outdoor%20thermometer | An indoor–outdoor thermometer is a thermometer that simultaneously provides a measurement of the indoor and outdoor temperatures. The outdoor part of the thermometer requires some kind of remote temperature sensing device. Conventionally, this was done by extending the bulb of the thermometer to the remote site. Mod... | Indoor–outdoor thermometer | Technology,Engineering | 773 |
869,961 | https://en.wikipedia.org/wiki/Semi-automatic%20transmission | A semi-automatic transmission is a multiple-speed transmission where part of its operation is automated (typically the actuation of the clutch), but the driver's input is still required to launch the vehicle from a standstill and to manually change gears. Semi-automatic transmissions were almost exclusively used in mot... | Semi-automatic transmission | Physics | 4,899 |
1,362,652 | https://en.wikipedia.org/wiki/Kleinian%20group | In mathematics, a Kleinian group is a discrete subgroup of the group of orientation-preserving isometries of hyperbolic 3-space . The latter, identifiable with , is the quotient group of the 2 by 2 complex matrices of determinant 1 by their center, which consists of the identity matrix and its product by . has a natur... | Kleinian group | Mathematics | 2,165 |
1,364,232 | https://en.wikipedia.org/wiki/Multi-Environment%20Real-Time | Multi-Environment Real-Time (MERT), later renamed UNIX Real-Time (UNIX-RT), is a hybrid time-sharing and real-time operating system developed in the 1970s at Bell Labs for use in embedded minicomputers (especially PDP-11s). A version named Duplex Multi Environment Real Time (DMERT) was the operating system for the AT&T... | Multi-Environment Real-Time | Technology | 1,980 |
27,721,602 | https://en.wikipedia.org/wiki/Lana%20Skirboll | Lana Skirboll is the former director of the National Institutes of Health Office of Science Policy.
Biography
Skirboll is an international leader in science policy.
She graduated from New York University in 1970 with a bachelor's degree in Biology and completed a master's degree in Physiology in 1972 at Miami Univers... | Lana Skirboll | Chemistry,Biology | 1,112 |
551,448 | https://en.wikipedia.org/wiki/Liana | A liana is a long-stemmed woody vine that is rooted in the soil at ground level and uses trees, as well as other means of vertical support, to climb up to the canopy in search of direct sunlight. The word liana does not refer to a taxonomic grouping, but rather a habit of plant growth – much like tree or shrub. It com... | Liana | Biology | 753 |
18,606,379 | https://en.wikipedia.org/wiki/Arotinolol | Arotinolol (INN, marketed under the tradename Almarl) is a medication in the class of mixed alpha/beta blockers. It also acts as a β3 receptor agonist. A 1979 publication suggests arotinolol as having first been described in the scientific literature by Sumitomo Chemical as "β-adrenergic blocking, antiarrhythmic compou... | Arotinolol | Chemistry | 203 |
2,473,617 | https://en.wikipedia.org/wiki/HD%20ready | HD ready is a certification program introduced in 2005 by EICTA (European Information, Communications and Consumer Electronics Technology Industry Associations), now DIGITALEUROPE. HD ready minimum native resolution is 720 rows in widescreen ratio.
There are currently four different labels: "HD ready", "HD TV", "HD re... | HD ready | Technology | 984 |
655,822 | https://en.wikipedia.org/wiki/Information%20appliance | An information appliance (IA) is an appliance that is designed to easily perform a specific electronic function such as playing music, photography, or editing text.
Typical examples are smartphones and personal digital assistants (PDAs). Information appliances partially overlap in definition with, or are sometimes ref... | Information appliance | Technology | 374 |
238,748 | https://en.wikipedia.org/wiki/Romanowsky%20stain | Romanowsky staining is a prototypical staining technique that was the forerunner of several distinct but similar stains widely used in hematology (the study of blood) and cytopathology (the study of diseased cells). Romanowsky-type stains are used to differentiate cells for microscopic examination in pathological speci... | Romanowsky stain | Chemistry,Biology | 2,463 |
41,964,210 | https://en.wikipedia.org/wiki/Great%20120-cell%20honeycomb | In the geometry of hyperbolic 4-space, the great 120-cell honeycomb is one of four regular star-honeycombs. With Schläfli symbol {5,5/2,5,3}, it has three great 120-cells around each face. It is dual to the order-5 icosahedral 120-cell honeycomb.
It can be seen as a greatening of the 120-cell honeycomb, and is thus an... | Great 120-cell honeycomb | Physics,Chemistry,Materials_science,Mathematics | 239 |
912,076 | https://en.wikipedia.org/wiki/Cajal%20body | Cajal bodies (CBs), also coiled bodies, are spherical nuclear bodies of 0.3–1.0 μm in diameter found in the nucleus of proliferative cells like embryonic cells and tumor cells, or metabolically active cells like neurons. CBs are membrane-less organelles and largely consist of proteins and RNA. They were first reported ... | Cajal body | Biology | 786 |
7,973,428 | https://en.wikipedia.org/wiki/Anfinsen%27s%20dogma | Anfinsen's dogma, also known as the thermodynamic hypothesis, is a postulate in molecular biology. It states that, at least for a small globular protein in its standard physiological environment, the native structure is determined only by the protein's amino acid sequence. The dogma was championed by the Nobel Prize La... | Anfinsen's dogma | Chemistry,Biology | 797 |
36,544,430 | https://en.wikipedia.org/wiki/Amanita%20eliae | Amanita eliae is an inedible species of fungi in the family of Amanitaceae found in Europe. It was described by Lucien Quélet in 1872. Synonyms include A. eliae, A. godeyi, and A. cordae.
Description
Its cap is or in diameter and across. It has a white volva. Its warts correspond to easily removable, deep depressio... | Amanita eliae | Biology | 213 |
77,423,961 | https://en.wikipedia.org/wiki/Oklab%20color%20space | The Oklab color space is a uniform color space for device independent color designed to improve perceptual uniformity, hue and lightness prediction, color blending, and usability while ensuring numerical stability and ease of implementation. Introduced by Björn Ottosson in December 2020, Oklab and its cylindrical count... | Oklab color space | Mathematics | 667 |
47,289,701 | https://en.wikipedia.org/wiki/Penicillium%20radicum | Penicillium radicum is an anamorph species of the genus of Penicillium which was isolated from rhizosphere of Australian wheat. This species has the ability to solubilise inorganic phosphates, this can promote plant growth Penicillium radicum produces rugulosin
References
Further reading
radicum
Fungi descr... | Penicillium radicum | Biology | 79 |
14,359,155 | https://en.wikipedia.org/wiki/Carcinoembryonic%20antigen%20peptide-1 | Carcinoembryonic antigen peptide-1 is a nine amino acid peptide fragment of carcinoembryonic antigen (CEA), a protein that is overexpressed in several cancer cell types, including gastrointestinal, breast, and non-small-cell lung.
Synonyms:
CAP-1
Carcinoembryonic Antigen Peptide-1
Carcinoembryonic Peptide-1
CEA Pe... | Carcinoembryonic antigen peptide-1 | Chemistry,Biology | 111 |
62,478,791 | https://en.wikipedia.org/wiki/Women%20in%20Cell%20Biology | Women in Cell Biology (WCIB) is a subcommittee of the American Society for Cell Biology (ASCB) created to promote women in cell biology and present awards.
History
A group of women were unhappy with the lack of recognition in ASCB. In 1971, Virginia Walbot gathered a group of women to meet at the annual ASCB meeting... | Women in Cell Biology | Technology | 240 |
36,927,475 | https://en.wikipedia.org/wiki/Maxam%E2%80%93Gilbert%20sequencing | Maxam–Gilbert sequencing is a method of DNA sequencing developed by Allan Maxam and Walter Gilbert in 1976–1977. This method is based on nucleobase-specific partial chemical modification of DNA and subsequent cleavage of the DNA backbone at sites adjacent to the modified nucleotides.
Maxam–Gilbert sequencing was the f... | Maxam–Gilbert sequencing | Chemistry,Biology | 682 |
945,225 | https://en.wikipedia.org/wiki/Isoperimetric%20dimension | In mathematics, the isoperimetric dimension of a manifold is a notion of dimension that tries to capture how the large-scale behavior of the manifold resembles that of a Euclidean space (unlike the topological dimension or the Hausdorff dimension which compare different local behaviors against those of the Euclidean sp... | Isoperimetric dimension | Physics,Mathematics | 1,047 |
3,904,342 | https://en.wikipedia.org/wiki/Zeotropic%20mixture | A zeotropic mixture, or non-azeotropic mixture, is a mixture with liquid components that have different boiling points. For example, nitrogen, methane, ethane, propane, and isobutane constitute a zeotropic mixture. Individual substances within the mixture do not evaporate or condense at the same temperature as one subs... | Zeotropic mixture | Chemistry,Engineering | 3,748 |
269,794 | https://en.wikipedia.org/wiki/Monomethylhydrazine | Monomethylhydrazine (MMH) is a highly toxic, volatile hydrazine derivative with the chemical formula . It is used as a rocket propellant in bipropellant rocket engines because it is hypergolic with various oxidizers such as nitrogen tetroxide () and nitric acid (). As a propellant, it is described in specification MIL-... | Monomethylhydrazine | Chemistry | 424 |
314,151 | https://en.wikipedia.org/wiki/Moissanite | Moissanite () is naturally occurring silicon carbide and its various crystalline polymorphs. It has the chemical formula SiC and is a rare mineral, discovered by the French chemist Henri Moissan in 1893. Silicon carbide or moissanite is useful for commercial and industrial applications due to its hardness, optical prop... | Moissanite | Physics | 1,373 |
37,689,509 | https://en.wikipedia.org/wiki/Neuroscience%20of%20rhythm | The neuroscience of rhythm refers to the various forms of rhythm generated by the central nervous system (CNS). Nerve cells, also known as neurons in the human brain are capable of firing in specific patterns which cause oscillations. The brain possesses many different types of oscillators with different periods. Oscil... | Neuroscience of rhythm | Physics | 2,835 |
32,074,177 | https://en.wikipedia.org/wiki/ARIANNA%20Experiment | Antarctic Ross Ice-Shelf Antenna Neutrino Array (ARIANNA) is a proposed detector for ultra-high energy astrophysical neutrinos. It will detect coherent radio Cherenkov emissions from the particle showers produced by neutrinos with energies above about 10^17 eV. ARIANNA will be built on the Ross Ice Shelf just off the... | ARIANNA Experiment | Physics,Astronomy | 213 |
51,393 | https://en.wikipedia.org/wiki/Czech%20Biomass%20Association | The Czech Biomass Association (CZ Biom - ) is a NGO, which supports the development of phytoenergetics (energy from plant material) in the Czech Republic. Members of CZ BIOM are scientists, specialists, entrepreneurs, and activists interested in using biomass as an energy resource. CZ BIOM is a member of the European B... | Czech Biomass Association | Engineering | 121 |
3,564,042 | https://en.wikipedia.org/wiki/Madonna%E2%80%93whore%20complex | In psychoanalytic literature, a Madonna–whore complex (also called a Madonna–mistress complex) is the inability to maintain sexual arousal within a committed and loving relationship. First identified by Sigmund Freud, who called it psychic impotence, it is a psychological complex that is said to develop in men who see ... | Madonna–whore complex | Biology | 1,415 |
68,304,037 | https://en.wikipedia.org/wiki/NGC%207544 | NGC 7544 is a lenticular galaxy located in the constellation Pisces. It was discovered by the astronomer Albert Marth on November 18, 1864.
References
External links
Pisces (constellation)
7544
Lenticular galaxies | NGC 7544 | Astronomy | 47 |
972,123 | https://en.wikipedia.org/wiki/Digitized%20Sky%20Survey | The Digitized Sky Survey (DSS) is a digitized version of several photographic astronomical surveys of the night sky, produced by the Space Telescope Science Institute between 1983 and 2006.
Versions and source material
The term Digitized Sky Survey originally referred to the publication in 1994 of a digital version o... | Digitized Sky Survey | Astronomy | 1,131 |
20,362,042 | https://en.wikipedia.org/wiki/Iotalamic%20acid | Iotalamic acid, sold under the brand name Conray, is an iodine-containing radiocontrast agent. It is available in form of its salts, sodium iotalamate and meglumine iotalamate. It can be given intravenously or intravesically (into the urinary bladder).
A radioactive formulation is also available as sodium iothalamate ... | Iotalamic acid | Chemistry | 146 |
18,403 | https://en.wikipedia.org/wiki/Logical%20positivism | Logical positivism, also known as logical empiricism or neo-positivism, was a philosophical movement, in the empiricist tradition, that sought to formulate a scientific philosophy in which philosophical discourse would be, in the perception of its proponents, as authoritative and meaningful as empirical science.
Logic... | Logical positivism | Mathematics,Technology | 7,196 |
49,875,297 | https://en.wikipedia.org/wiki/Holin%20superfamily%20V | The Holin superfamily V is a superfamily of integral membrane transport proteins. It is one of the seven different holin superfamilies in total. In general, these proteins are thought to play a role in regulated cell death, although functionality varies between families and individual members. The Holin superfamily V i... | Holin superfamily V | Biology | 217 |
19,348,817 | https://en.wikipedia.org/wiki/Controlled%20Demolition%2C%20Inc. | Controlled Demolition, Inc. (CDI) is a controlled demolition firm headquartered in Phoenix, Maryland. The firm was founded by Jack Loizeaux who used dynamite to remove tree stumps in the Baltimore, Maryland area, and moved on to using explosives to take down chimneys, overpasses and small buildings in the 1940s. The co... | Controlled Demolition, Inc. | Engineering | 1,366 |
18,739,787 | https://en.wikipedia.org/wiki/Nassif%20Ghoussoub | Nassif A. Ghoussoub is a Canadian mathematician working in the fields of non-linear analysis and partial differential equations. He is a Professor of Mathematics and a Distinguished University Scholar at the University of British Columbia.
Early life and education
Ghoussoub was born to Lebanese parents in Western A... | Nassif Ghoussoub | Mathematics | 738 |
36,476,741 | https://en.wikipedia.org/wiki/San%20Justo%20Dam | San Justo Dam is a dam and reservoir in San Benito County, California, about southwest of Hollister. The dam provides offstream water storage for the federal Central Valley Project via the Pacheco Conduit and Hollister Conduit fed by the San Luis Reservoir.
Completed in January 1986, the dam is an earthfill structur... | San Justo Dam | Engineering | 157 |
14,054,023 | https://en.wikipedia.org/wiki/Honeycomb%20sea%20wall | A honeycomb sea wall (also known as a "Seabee") is a coastal defense structure that protects against strong waves and tides. It is constructed as a sloped wall of ceramic or concrete blocks with hexagonal holes on the slope, which makes it look like a honeycomb, hence the name of the unit. Its role is to capture sand a... | Honeycomb sea wall | Engineering | 378 |
9,054,395 | https://en.wikipedia.org/wiki/Wombling | In statistics, Wombling is any of a number of techniques used for identifying zones of rapid change, typically in some quantity as it varies across some geographical or Euclidean space. It is named for statistician William H. Womble.
The technique may be applied to gene frequency in a population of organisms, and to... | Wombling | Physics | 519 |
33,495,646 | https://en.wikipedia.org/wiki/Risk%E2%80%93return%20ratio | The risk-return ratio is a measure of return in terms of risk for a specific time period. The percentage return (R) for the time period is measured in a straightforward way:
where and simply refer to the price by the start and end of the time period.
The risk is measured as the percentage maximum drawdown (MDD) for... | Risk–return ratio | Mathematics | 382 |
36,721,453 | https://en.wikipedia.org/wiki/Critical%20Path%20Project | The Critical Path Project (stylized CRITICAL///PATH) is a video archive of interviews with video game designers and developers.
Launched on July 23, 2012, Critical Path contains over 1,000 videos of interviews with over 100 developers, conducted between 2010 and the present. According to director David Grabias, the p... | Critical Path Project | Technology | 663 |
38,318,979 | https://en.wikipedia.org/wiki/Social%20media%20intelligence | Social media intelligence (SMI or SOCMINT) comprises the collective tools and solutions that allow organizations to analyze conversations, respond to synchronize social signals, and synthesize social data points into meaningful trends and analysis, based on the user's needs. Social media intelligence allows one to util... | Social media intelligence | Technology | 1,484 |
26,453,896 | https://en.wikipedia.org/wiki/C6H7NO2 | {{DISPLAYTITLE:C6H7NO2}}
The molecular formula C6H7NO2 (molar mass: 125.125 g/mol, exact mass: 125.0477 u) may refer to:
Ethyl cyanoacrylate (ECA)
3-Hydroxyisonicotinaldehyde (HINA)
N-Ethylmaleimide (NEM) | C6H7NO2 | Chemistry | 88 |
4,421,042 | https://en.wikipedia.org/wiki/Histone%20H2A | Histone H2A is one of the five main histone proteins involved in the structure of chromatin in eukaryotic cells.
The other histone proteins are: H1, H2B, H3 and H4.
Background
Histones are proteins that package DNA into nucleosomes. Histones are responsible for maintaining the shape and structure of a nucleosome. O... | Histone H2A | Chemistry | 2,270 |
17,760,201 | https://en.wikipedia.org/wiki/%28Z%29-Stilbene | (Z)-Stilbene is a diarylethene, that is, a hydrocarbon consisting of a cis ethene double bond substituted with a phenyl group on both carbon atoms of the double bond. The name stilbene was derived from the Greek word , which means shining.
Isomers
Stilbene exists as two possible isomers known as (E)-stilbene and (Z)-s... | (Z)-Stilbene | Chemistry | 348 |
420,881 | https://en.wikipedia.org/wiki/California%20Air%20Resources%20Board | The California Air Resources Board (CARB or ARB) is an agency of the government of California that aims to reduce air pollution. Established in 1967 when then-governor Ronald Reagan signed the Mulford-Carrell Act, combining the Bureau of Air Sanitation and the Motor Vehicle Pollution Control Board, CARB is a department... | California Air Resources Board | Physics | 6,939 |
9,365,585 | https://en.wikipedia.org/wiki/NONMEM | NONMEM is a non-linear mixed-effects modeling software package developed by Stuart L. Beal and Lewis B. Sheiner in the late 1970s at University of California, San Francisco, and expanded by Robert Bauer at Icon PLC. Its name is an acronym for nonlinear mixed effects modeling but it is especially powerful in the context... | NONMEM | Chemistry,Mathematics | 319 |
5,283,362 | https://en.wikipedia.org/wiki/Reading%20motivation | Reading motivation is the motivational drive to read, an area of interest in the field of education. Studying and implementing the conditions under which students are motivated to read is important in the process of teaching and fostering learning. Reading and writing motivation are the processes to put more effort on ... | Reading motivation | Biology | 1,196 |
45,239,565 | https://en.wikipedia.org/wiki/Purple%20Crow%20Lidar | The Purple Crow Lidar is a powerful lidar (laser radar) that emits pulses of intensely bright light. The bright light scatters off air molecules, and the reflections are collected by a large telescope.
Telescope
The telescope is formed by rotating liquid mercury at 10 r.p.m. in a 2.65-m diameter container. This liquid... | Purple Crow Lidar | Astronomy | 237 |
34,402,185 | https://en.wikipedia.org/wiki/Strozzi%20Institute | Strozzi Institute is an organization located in Oakland, California that offers coaching services and trainings in leadership, organizational development, and personal mastery. It uses a somatic approach to learning. Programs are offered primarily at the institute's Sonoma training center.
History
Strozzi Institute ... | Strozzi Institute | Biology | 1,302 |
33,353,100 | https://en.wikipedia.org/wiki/Vibrio%20anguillarum | Vibrio anguillarum is a species of prokaryote that belongs to the family Vibrionaceae, genus Vibrio. V. anguillarum is typically 0.5 - 1 μm in diameter and 1 - 3 μm in length. It is a gram-negative, comma-shaped rod bacterium that is commonly found in seawater and brackish waters. It is polarly flagellated, non-spore-f... | Vibrio anguillarum | Biology | 3,004 |
11,157,348 | https://en.wikipedia.org/wiki/Cobalt%28II%29%20naphthenate | Cobalt(II) naphthenate is a mixture of cobalt(II) derivatives of naphthenic acids. These coordination complexes are widely used as oil drying agents for the autoxidative crosslinking of drying oils. Metal naphthenates are not well defined in conventional chemical sense that they are mixtures. They are widely employed ... | Cobalt(II) naphthenate | Chemistry | 370 |
9,985,739 | https://en.wikipedia.org/wiki/Assessment%20of%20basic%20language%20and%20learning%20skills | The assessment of basic language and learning skills (ABLLS, often pronounced "ables") is an educational tool used frequently with applied behavior analysis (ABA) to measure the basic linguistic and functional skills of an individual with developmental delays or disabilities.
Development
The revised assessment of basi... | Assessment of basic language and learning skills | Biology | 1,846 |
2,680,696 | https://en.wikipedia.org/wiki/List%20of%20compounds%20with%20carbon%20number%209 | This is a partial list of molecules that contain 9 carbon atoms.
See also
Carbon number
List of compounds with carbon number 8
List of compounds with carbon number 10
C09 | List of compounds with carbon number 9 | Chemistry | 36 |
22,016,602 | https://en.wikipedia.org/wiki/Bar%20%28river%20morphology%29 | A bar in a river is an elevated region of sediment (such as sand or gravel) that has been deposited by the flow. Types of bars include mid-channel bars (also called braid bars and common in braided rivers), point bars (common in meandering rivers), and mouth bars (common in river deltas). The locations of bars are dete... | Bar (river morphology) | Chemistry,Engineering,Environmental_science | 1,059 |
1,859,100 | https://en.wikipedia.org/wiki/Tributyl%20phosphate | Tributyl phosphate, known commonly as TBP, is an organophosphorus compound with the chemical formula (CH3CH2CH2CH2O)3PO. This colourless, odorless liquid finds some applications as an extractant and a plasticizer. It is an ester of phosphoric acid with n-butanol.
Production
Tributyl phosphate is manufactured by rea... | Tributyl phosphate | Chemistry,Technology | 616 |
2,891,737 | https://en.wikipedia.org/wiki/Paul%20Werner%20Gast | Paul Werner Gast (September 11, 1930 – May 16, 1973) was an American geochemist and geologist.
He was born in Chicago to German immigrants and attended Wheaton College, Illinois, whence he graduated in 1952. He earned a Ph.D. from Columbia University in 1957. After graduation, he taught at the University of Minnesota ... | Paul Werner Gast | Chemistry | 429 |
2,527,122 | https://en.wikipedia.org/wiki/Isotopes%20of%20beryllium | Beryllium (4Be) has 11 known isotopes and 3 known isomers, but only one of these isotopes () is stable and a primordial nuclide. As such, beryllium is considered a monoisotopic element. It is also a mononuclidic element, because its other isotopes have such short half-lives that none are primordial and their abundance... | Isotopes of beryllium | Chemistry | 1,638 |
42,212,055 | https://en.wikipedia.org/wiki/Adventurers%20%28land%20drainage%29 | Adventurers were groups of English engineers and wealthy landowners, who funded large-scale land drainage projects in the seventeenth century, in return for rights to some of the land reclaimed.
Early entrepreneurs
Land drainage works were expensive, and were usually undertaken in sparsely populated areas. In the seve... | Adventurers (land drainage) | Physics,Engineering,Environmental_science | 835 |
39,084,356 | https://en.wikipedia.org/wiki/S%C3%A4teri%20roof | A säteritak ("manorial roof") is a type of roof, similar to a clerestory, that enjoyed great popularity in Sweden from the mid-seventeenth century.
Structure
Originally used for higher-status buildings such as manors (hence the name), it consists of a hip roof, where the uppermost part has been cut off from the bottom... | Säteri roof | Technology,Engineering | 197 |
51,893,358 | https://en.wikipedia.org/wiki/List%20of%20internet%20service%20providers%20in%20Canada | This is an alphabetical list of notable internet service providers in Canada.
Among Canada's biggest internet service providers (ISP) are Bell, Rogers, Telus, and Shaw—with the former two being the largest in Ontario, and the latter two dominating western provinces.
List
Former ISPs
Craig Wireless
Internex Onlin... | List of internet service providers in Canada | Technology | 102 |
41,962,812 | https://en.wikipedia.org/wiki/LaunchCode | LaunchCode is a non-profit organization headquartered in St. Louis, Missouri. Founded in 2013 by Jim McKelvey, it aims to help people enter the technology field by providing free and accessible education, training, and paid apprenticeship placements. It has locations in Kansas City and Philadelphia.
In 2020, 60% of L... | LaunchCode | Technology,Engineering | 124 |
2,620,487 | https://en.wikipedia.org/wiki/French%20units%20of%20measurement | France has a unique history of units of measurement due to its radical decision to invent and adopt the metric system after the French Revolution.
In the Ancien régime and until 1795, France used a system of measures that had many of the characteristics of the modern Imperial System of units but with no unified system... | French units of measurement | Mathematics | 2,359 |
6,100,068 | https://en.wikipedia.org/wiki/Italian%20Amateur%20Astronomers%20Union | The Italian Amateur Astronomers Union (; Unione degli Astrofili Italiani; UAI), also known as Union of Italian Amateur Astronomers, is an Italian organization active in astronomy research and outreach that was founded in 1967. Its members are both professional and amateur astronomers. The UAI claims more than two thous... | Italian Amateur Astronomers Union | Astronomy | 134 |
54,748,520 | https://en.wikipedia.org/wiki/NGC%204477 | NGC 4477 is a barred lenticular galaxy located about 55 million light-years away in the constellation of Coma Berenices. NGC 4477 is classified as a type 2 Seyfert galaxy. The galaxy was discovered by astronomer William Herschel on April 8, 1784. NGC 4477 is a member of Markarian's Chain which forms part of the larger ... | NGC 4477 | Astronomy | 230 |
13,232,655 | https://en.wikipedia.org/wiki/Contaflex%20SLR | The Contaflex series is a family of 35mm Single-lens reflex cameras (SLR) equipped with a leaf shutter, produced by Zeiss Ikon in the 1950s and 1960s. The name was first used by Zeiss Ikon in 1935 for a 35mm Twin-lens reflex camera, the Contaflex TLR; for the earlier TLR, the -flex suffix referred to the integral refle... | Contaflex SLR | Technology | 3,414 |
10,370,626 | https://en.wikipedia.org/wiki/South%20Dakota%20statistical%20areas | The U.S. currently has 14 statistical areas that have been delineated by the Office of Management and Budget (OMB). On July 21, 2023, the OMB delineated two combined statistical areas, three metropolitan statistical areas, and nine micropolitan statistical areas in . As of 2023, the largest of these is the Sioux Falls... | South Dakota statistical areas | Mathematics | 198 |
13,341,876 | https://en.wikipedia.org/wiki/Threat | A threat is a communication of intent to inflict harm or loss on another person. Intimidation is a tactic used between conflicting parties to make the other timid or psychologically insecure for coercion or control. The act of intimidation for coercion is considered a threat.
Threatening or threatening behavior (or cr... | Threat | Biology | 448 |
4,591,070 | https://en.wikipedia.org/wiki/Intestinal%20gland | In histology, an intestinal gland (also crypt of Lieberkühn and intestinal crypt) is a gland found in between villi in the intestinal epithelial lining of the small intestine and large intestine (or colon). The glands and intestinal villi are covered by epithelium, which contains multiple types of cells: enterocytes (a... | Intestinal gland | Biology | 1,644 |
66,315,644 | https://en.wikipedia.org/wiki/Stipitatic%20acid | Stipitatic acid is a tropolone derivative isolated from Talaromyces stipitatus (Penicillium stipitatum).
References
Tropolones
Tropones
Aromatic compounds | Stipitatic acid | Chemistry | 45 |
67,321,416 | https://en.wikipedia.org/wiki/Besicovitch%20inequality | In mathematics, the Besicovitch inequality is a geometric inequality relating volume of a set and distances between certain subsets of its boundary. The inequality was first formulated by Abram Besicovitch.
Consider the n-dimensional cube with a Riemannian metric . Let
denote the distance between opposite faces of ... | Besicovitch inequality | Mathematics | 396 |
624,681 | https://en.wikipedia.org/wiki/Lyudmila%20Zhuravleva | Lyudmila Vasilyevna Zhuravleva (, ; born 22 May 1946) is a Soviet, Russian and Ukrainian astronomer, who worked at the Crimean Astrophysical Observatory in Nauchnij, where she discovered 213 minor planets. She also serves as president
of the Crimean branch of the "Prince Clarissimus Aleksandr Danilovich Menshikov Found... | Lyudmila Zhuravleva | Astronomy | 275 |
54,117,020 | https://en.wikipedia.org/wiki/Unrestricted%20algorithm | An unrestricted algorithm is an algorithm for the computation of a mathematical function that puts no restrictions on the range of the argument or on the precision that may be demanded in the result. The idea of such an algorithm was put forward by C. W. Clenshaw and F. W. J. Olver in a paper published in 1980.
In the... | Unrestricted algorithm | Mathematics | 216 |
1,301,093 | https://en.wikipedia.org/wiki/Two-port%20network | In electronics, a two-port network (a kind of four-terminal network or quadripole) is an electrical network (i.e. a circuit) or device with two pairs of terminals to connect to external circuits. Two terminals constitute a port if the currents applied to them satisfy the essential requirement known as the port conditio... | Two-port network | Engineering | 3,880 |
73,026,681 | https://en.wikipedia.org/wiki/Astronomers%20Monument | The Astronomers Monument in front of Griffith Observatory in Los Angeles, California is a New Deal artwork created under the auspices of the Public Works of Art Project. The large outdoor concrete sculpture honors the work of six great astronomers and is a Griffith Park landmark in its own right.
History and design
Th... | Astronomers Monument | Astronomy | 547 |
63,632,458 | https://en.wikipedia.org/wiki/Praseodymium%28III%29%20fluoride | Praseodymium(III) fluoride is an inorganic compound with the formula PrF3, being the most stable fluoride of praseodymium.
Preparation
The reaction between praseodymium(III) nitrate and sodium fluoride will obtain praseodymium(III) fluoride as a green crystalline solid:
Pr(NO3)3 + 3 NaF → 3 NaNO3 + PrF3
There are al... | Praseodymium(III) fluoride | Chemistry | 461 |
60,026,140 | https://en.wikipedia.org/wiki/Alan%20Harris%20%28engineer%29 | Sir Alan James Harris CBE (8 July 1916 – 26 December 2000) was a British civil and structural engineer.
Early life and education
Harris was born in 1916 in Plymouth, and started working at the age of 16 taking evening classes in engineering at Northampton Engineering College now City, University of London.
Career
F... | Alan Harris (engineer) | Engineering | 479 |
27,630,728 | https://en.wikipedia.org/wiki/Global%20Strategic%20Trends%20Programme | The Global Strategic Trends Programme was established in 2001 to research and forecast potential trends that shape and inform the future strategic context. It is published by the Development, Concepts and Doctrine Centre (DCDC) which is under the UK's Strategic Command based in Shrivenham, Wiltshire.
One of the main ... | Global Strategic Trends Programme | Technology | 764 |
2,853,291 | https://en.wikipedia.org/wiki/Direct%20reduced%20iron | Direct reduced iron (DRI), also called sponge iron, is produced from the direct reduction of iron ore (in the form of lumps, pellets, or fines) into iron by a reducing gas which contains elemental carbon (produced from natural gas or coal) and/or hydrogen. When hydrogen is used as the reducing gas no carbon dioxide is... | Direct reduced iron | Chemistry,Materials_science | 1,303 |
64,020 | https://en.wikipedia.org/wiki/Multiprocessing | Multiprocessing is the use of two or more central processing units (CPUs) within a single computer system. The term also refers to the ability of a system to support more than one processor or the ability to allocate tasks between them. There are many variations on this basic theme, and the definition of multiprocessin... | Multiprocessing | Technology | 1,767 |
67,630,778 | https://en.wikipedia.org/wiki/Generalized%20suffix%20array | In computer science, a generalized suffix array (GSA) is a suffix array containing all suffixes for a set of strings. Given the set of strings of total length , it is a lexicographically sorted array of all suffixes of each string in . It is primarily used in bioinformatics and string processing.
Functionality
The ... | Generalized suffix array | Technology | 815 |
14,761,887 | https://en.wikipedia.org/wiki/HOXA11 | Homeobox protein Hox-A11 is a protein that in humans is encoded by the HOXA11 gene.
Function
In vertebrates, the genes encoding the class of transcription factors called homeobox genes are found in clusters named A, B, C, and D on four separate chromosomes. Expression of these proteins is spatially and temporally re... | HOXA11 | Chemistry,Biology | 169 |
36,235,294 | https://en.wikipedia.org/wiki/3G%20adoption | 3G mobile telephony was relatively slow to be adopted globally. In some instances, 3G networks do not use the same radio frequencies as 2G so mobile operators must build entirely new networks and license entirely new frequencies, especially so to achieve high data transmission rates. Other delays were due to the expens... | 3G adoption | Technology,Engineering | 2,751 |
3,169,278 | https://en.wikipedia.org/wiki/Phase%20angle%20%28astronomy%29 | In observational astronomy, phase angle is the angle between the light incident onto an observed object and the light reflected from the object. In the context of astronomical observations, this is usually the angle Sun-object-observer.
For terrestrial observations, "Sun–object–Earth" is often nearly the same thing as... | Phase angle (astronomy) | Physics,Chemistry,Astronomy,Engineering | 450 |
31,642,265 | https://en.wikipedia.org/wiki/Solar%20Building | The Solar Building, located in Albuquerque, New Mexico, was the world's first commercial building to be heated primarily by solar energy. It was built in 1956 to house the engineering firm of Bridgers & Paxton, who were responsible for the heating system design. The novel building received widespread attention, with ar... | Solar Building | Engineering | 1,506 |
26,355,609 | https://en.wikipedia.org/wiki/Niall%20McCrudden | Niall McCrudden was a music manager, promoter, celebrity optician and socialite. He was co-founder of Insight, one of Ireland's foremost optician chains. He became known as the "optician to the stars" after selling a pair of sunglasses to Jim Corr.
Career
McCrudden initially worked for McNally Opticians for two years.... | Niall McCrudden | Astronomy | 554 |
31,278,066 | https://en.wikipedia.org/wiki/Kemper%20Project | The Kemper Project, also called the Kemper County energy facility or Plant Ratcliffe, is a natural gas-fired electrical generating station currently under construction in Kemper County, Mississippi. Mississippi Power, a subsidiary of Southern Company, began construction of the plant in 2010. The initial, coal-fired pro... | Kemper Project | Engineering | 3,318 |
4,683,709 | https://en.wikipedia.org/wiki/Tak%20%28function%29 | In computer science, the Tak function is a recursive function, named after . It is defined as follows:
def tak(x, y, z):
if y < x:
return tak(
tak(x-1, y, z),
tak(y-1, z, x),
tak(z-1, x, y)
)
else:
return z
This function is often used as a benchmark... | Tak (function) | Mathematics | 644 |
1,762,360 | https://en.wikipedia.org/wiki/Parabolic%20cylinder%20function | In mathematics, the parabolic cylinder functions are special functions defined as solutions to the differential equation
This equation is found when the technique of separation of variables is used on Laplace's equation when expressed in parabolic cylindrical coordinates.
The above equation may be brought into two di... | Parabolic cylinder function | Mathematics | 680 |
15,811,818 | https://en.wikipedia.org/wiki/Catatumbo%20lightning | Catatumbo lightning () is an atmospheric phenomenon that occurs over the mouth of the Catatumbo River where it empties into Lake Maracaibo in Venezuela. means "House of Thunder" in the language of the Bari people. It originates from a mass of storm clouds at an altitude of more than , and occurs for 140 to 160 nights ... | Catatumbo lightning | Physics | 1,113 |
29,061,881 | https://en.wikipedia.org/wiki/Monotube%20steam%20generator | A monotube steam generator is a type of steam generator consisting of a single tube, usually in a multi-layer spiral, that forms a once-through steam generator (OTSG). The first of these was the Herreshoff steam generator of 1873.
Principles
For the sake of efficiency, it is desirable to minimise the steam content of ... | Monotube steam generator | Engineering | 278 |
76,767,723 | https://en.wikipedia.org/wiki/Humidesulfovibrio | Humidesulfovibrio is a bacterium genus in the family Desulfovibrionaceae.
Humidesulfovibrio arcticus
Humidesulfovibrio idahonensis
Humidesulfovibrio mexicanus
References
Bacteria described in 2020
Desulfovibrionales
Bacteria genera | Humidesulfovibrio | Biology | 60 |
3,800,142 | https://en.wikipedia.org/wiki/Blotto%20%28biology%29 | In biology, BLOTTO is a blocking reagent made from nonfat dry milk, phosphate buffered saline, and sodium azide. Its name is an almost-acronym of bovine lacto transfer technique optimizer. It constitutes an inexpensive source of nonspecific protein (milk casein) which blocks protein binding sites in a variety of experi... | Blotto (biology) | Chemistry,Biology | 157 |
28,239,489 | https://en.wikipedia.org/wiki/Lime%20softening | Lime softening (also known as lime buttering, lime-soda treatment, or Clark's process) is a type of water treatment used for water softening, which uses the addition of limewater (calcium hydroxide) to remove hardness (deposits of calcium and magnesium salts) by precipitation. The process is also effective at removing ... | Lime softening | Chemistry,Engineering,Environmental_science | 573 |
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