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 |
|---|---|---|---|---|---|
5,600,138 | https://en.wikipedia.org/wiki/Fertigation | Fertigation is the injection of fertilizers, used for soil amendments, water amendments and other water-soluble products into an irrigation system.
Chemigation, the injection of chemicals into an irrigation system, is related to fertigation. The two terms are sometimes used interchangeably however chemigation is gener... | Fertigation | Chemistry | 1,614 |
38,549,290 | https://en.wikipedia.org/wiki/Soler%20model | The soler model is a quantum field theory model of Dirac fermions interacting via four fermion interactions in 3 spatial and 1 time dimension. It was introduced in 1938 by Dmitri Ivanenko
and re-introduced and investigated in 1970 by Mario Soler as a toy model of self-interacting electron.
This model is described by... | Soler model | Physics | 341 |
40,807,668 | https://en.wikipedia.org/wiki/Cyanoacetic%20acid | Cyanoacetic acid is an organic compound. It is a white, hygroscopic solid. The compound contains two functional groups, a nitrile (−C≡N) and a carboxylic acid. It is a precursor to cyanoacrylates, components of adhesives.
Preparation and reactions
Cyanoacetic acid is prepared by treatment of chloroacetate salts with... | Cyanoacetic acid | Chemistry | 373 |
36,460,823 | https://en.wikipedia.org/wiki/Journal%20of%20Biomedical%20Semantics | The Journal of Biomedical Semantics is a peer-reviewed open-access scientific journal that covers biomedical semantics.
History
It was established in 2010 and is published by BioMed Central. The editors-in-chief are Dietrich Rebholz-Schuhmann (University of Zurich) and Goran Nenadic (University of Manchester). The jou... | Journal of Biomedical Semantics | Biology | 120 |
11,512,238 | https://en.wikipedia.org/wiki/Erysiphe%20brunneopunctata | Erysiphe brunneopunctata is a plant pathogen that causes powdery mildew on monkey flower.
References
Fungal plant pathogens and diseases
Eudicot diseases
brunneopunctata
Fungi described in 1984
Fungus species | Erysiphe brunneopunctata | Biology | 51 |
36,212,148 | https://en.wikipedia.org/wiki/%28589683%29%202010%20RF43 | (provisional designation ) is a large trans-Neptunian object orbiting in the scattered disc in the outermost regions of the Solar System. The object was discovered on 9 September 2010, by American astronomers David Rabinowitz, Megan Schwamb and Suzanne Tourtellotte at ESO's La Silla Observatory in northern Chile.
Orbi... | (589683) 2010 RF43 | Physics,Astronomy | 417 |
14,606,730 | https://en.wikipedia.org/wiki/Cass%20criterion | The Cass criterion, also known as the Malinvaud–Cass criterion, is a central result in theory of overlapping generations models in economics. It is named after David Cass.
A major feature which sets overlapping generations models in economics apart from the standard model with a finite number of infinitely lived indiv... | Cass criterion | Physics | 120 |
60,410,202 | https://en.wikipedia.org/wiki/Sexual%20economics | Sexual economics theory is a highly controversial hypothesis found in the field of evolutionary psychology. The theory purports to relate to how male and female participants think, feel, behave and give feedback during sex or relevant sexual events. This theory states that the thinking, preferences and behavior of men ... | Sexual economics | Biology | 3,711 |
23,947,184 | https://en.wikipedia.org/wiki/Reflections%20of%20signals%20on%20conducting%20lines | A signal travelling along an electrical transmission line will be partly, or wholly, reflected back in the opposite direction when the travelling signal encounters a discontinuity in the characteristic impedance of the line, or if the far end of the line is not terminated in its characteristic impedance. This can happe... | Reflections of signals on conducting lines | Engineering | 3,045 |
512,460 | https://en.wikipedia.org/wiki/TasWireless | TasWireless is a group of wireless networking enthusiasts in Tasmania, Australia. Between them they have set up wireless community networks in both Hobart and Launceston. The group has gone through many names, tas.air, www.tas.air.net.au, TPAN (Tasmanian Public Airwave Network) and now TasWireless.
With users from s... | TasWireless | Technology | 771 |
1,045,127 | https://en.wikipedia.org/wiki/Landrace | A landrace is a domesticated, locally adapted, often traditional variety of a species of animal or plant that has developed over time, through adaptation to its natural and cultural environment of agriculture and pastoralism, and due to isolation from other populations of the species. Landraces are distinct from cultiv... | Landrace | Biology | 3,719 |
1,012,545 | https://en.wikipedia.org/wiki/Regge%20calculus | In general relativity, Regge calculus is a formalism for producing simplicial approximations of spacetimes that are solutions to the Einstein field equation. The calculus was introduced by the Italian theoretician Tullio Regge in 1961.
Overview
The starting point for Regge's work is the fact that every four dimension... | Regge calculus | Mathematics | 491 |
42,238,225 | https://en.wikipedia.org/wiki/Biomicrofluidics | Biomicrofluidics is a bimonthly peer-reviewed scientific journal covering all aspects of research on fundamental physicochemical mechanisms associated with microfluidic, nanofluidic, and molecular/cellular biophysical phenomena in addition to novel microfluidic and nanofluidic techniques for diagnostic, medical, biolog... | Biomicrofluidics | Chemistry | 187 |
73,323,441 | https://en.wikipedia.org/wiki/HD%20167096 | HD 167096, also known as HR 6818 or rarely 4 G. Coronae Australis, is a binary star located in the southern constellation Corona Australis. It has an apparent magnitude of 5.45, making it faintly visible to the naked eye. The system is located relatively close at a distance of 224 light years based on Gaia DR3 parallax... | HD 167096 | Astronomy | 335 |
39,652,486 | https://en.wikipedia.org/wiki/Cheon%20Jinwoo | Cheon Jinwoo is the H.G. Underwood Professor at Yonsei University and the Founding Director of the Center for Nanomedicine, Institute for Basic Science (IBS). As a leading chemist in inorganic materials chemistry and nanomedicine Cheon and his research group mainly focus on developing chemical principles for synthesizi... | Cheon Jinwoo | Chemistry | 1,787 |
1,368,490 | https://en.wikipedia.org/wiki/Rolls-Royce%20Avon | The Rolls-Royce Avon was the first axial flow jet engine designed and produced by Rolls-Royce. Introduced in 1950, the engine went on to become one of their most successful post-World War II engine designs. It was used in a wide variety of aircraft, both military and civilian, as well as versions for stationary and mar... | Rolls-Royce Avon | Technology | 3,135 |
2,392,458 | https://en.wikipedia.org/wiki/Micro-inequity | A Micro-inequity is a small, often overlooked act of exclusion or bias that could convey a lack of respect, recognition, or fairness towards marginalized individuals. These acts can manifest in various ways, such as consistently interrupting or dismissing the contributions of a particular group during meetings or discu... | Micro-inequity | Biology | 3,131 |
17,505,689 | https://en.wikipedia.org/wiki/PV%20Crystalox%20Solar | PV Crystalox Solar plc is a supplier to solar cell manufacturers, producing multicrystalline silicon wafers for use in solar electricity generation systems. It has operations in Germany, United Kingdom and Japan and its headquarters are in the United Kingdom. It is listed on the London Stock Exchange and was a former c... | PV Crystalox Solar | Engineering | 459 |
30,936 | https://en.wikipedia.org/wiki/TiVo | TiVo ( ) is a digital video recorder (DVR) developed and marketed by Xperi (previously by TiVo Corporation and TiVo Inc.) and introduced in 1999. TiVo provides an on-screen guide of scheduled broadcast programming television programs, whose features include "OnePass" schedules which record every new episode of a series... | TiVo | Technology | 7,150 |
56,566 | https://en.wikipedia.org/wiki/Chronobiology | Chronobiology is a field of biology that examines timing processes, including periodic (cyclic) phenomena in living organisms, such as their adaptation to solar- and lunar-related rhythms. These cycles are known as biological rhythms. Chronobiology comes from the ancient Greek χρόνος (chrónos, meaning "time"), and biol... | Chronobiology | Biology | 3,781 |
10,145,584 | https://en.wikipedia.org/wiki/Network%20delay | Network delay is a design and performance characteristic of a telecommunications network. It specifies the latency for a bit of data to travel across the network from one communication endpoint to another. It is typically measured in multiples or fractions of a second. Delay may differ slightly, depending on the locati... | Network delay | Technology,Engineering | 237 |
31,546,068 | https://en.wikipedia.org/wiki/List%20of%20RAM%20drive%20software | RAM drive software allows part of a computer's RAM (memory) to be seen as if it were a disk drive, with volume name and, if supported by the operating system, drive letter. A RAM drive has much faster read and write access than a hard drive with rotating platters, and is volatile, being destroyed with its contents when... | List of RAM drive software | Technology | 2,916 |
14,213,149 | https://en.wikipedia.org/wiki/Natal%20homing | Natal homing, or natal philopatry, is the homing process by which some adult animals that have migrated away from their juvenile habitats return to their birthplace to reproduce. This process is primarily used by aquatic animals such as sea turtles and salmon, although some migratory birds and mammals also practice sim... | Natal homing | Biology | 2,332 |
474,372 | https://en.wikipedia.org/wiki/Two-dimensional%20gel%20electrophoresis | Two-dimensional gel electrophoresis, abbreviated as 2-DE or 2-D electrophoresis, is a form of gel electrophoresis commonly used to analyze proteins. Mixtures of proteins are separated by two properties in two dimensions on 2D gels. 2-DE was first independently introduced by O'Farrell and Klose in 1975.
Basis for separ... | Two-dimensional gel electrophoresis | Chemistry,Biology | 1,484 |
11,009,758 | https://en.wikipedia.org/wiki/Realizability | In mathematical logic, realizability is a collection of methods in proof theory used to study constructive proofs and extract additional information from them. Formulas from a formal theory are "realized" by objects, known as "realizers", in a way that knowledge of the realizer gives knowledge about the truth of the fo... | Realizability | Mathematics | 1,317 |
15,277,793 | https://en.wikipedia.org/wiki/Job%20control%20%28computing%29 | In computing, job control refers to the control of multiple tasks or jobs on a computer system, ensuring that they each have access to adequate resources to perform correctly, that competition for limited resources does not cause a deadlock where two or more jobs are unable to complete, resolving such situations where ... | Job control (computing) | Technology | 1,534 |
30,961,716 | https://en.wikipedia.org/wiki/Hemoglobinometer | A hemoglobinometer or haemoglobinometer (British English) is a medical device used to measure hemoglobin concentration in blood. It can operate by spectrophotometric measurement of hemoglobin concentration. Portable hemoglobinometers provide easy and convenient measurement of hematological variables, especially in area... | Hemoglobinometer | Technology,Engineering | 175 |
54,286,982 | https://en.wikipedia.org/wiki/Aspergillus%20pisci | Aspergillus pisci is a species of fungus in the genus Aspergillus.
References
pisci
Fungi described in 2014
Fungus species | Aspergillus pisci | Biology | 32 |
2,463,425 | https://en.wikipedia.org/wiki/Halloysite | Halloysite is an aluminosilicate clay mineral with the empirical formula Al2Si2O5(OH)4. Its main constituents are oxygen (55.78%), silicon (21.76%), aluminium (20.90%), and hydrogen (1.56%). It is a member of the kaolinite group. Halloysite typically forms by hydrothermal alteration of alumino-silicate minerals. It can... | Halloysite | Chemistry | 1,353 |
62,210,354 | https://en.wikipedia.org/wiki/IoBT-CRA | The Internet of Battlefield Things Collaborative Research Alliance (IoBT-CRA), also known as the Internet of Battlefield Things Research on Evolving Intelligent Goal-driven Networks (IoBT REIGN), is a collaborative research alliance between government, industry, and university researchers for the purposes of developing... | IoBT-CRA | Technology | 662 |
57,244,772 | https://en.wikipedia.org/wiki/Shuntaro%20Furukawa | is a Japanese businessman and executive. He is the sixth and current president of the video game company Nintendo in Japan. He took over as company president in June 2018, succeeding Tatsumi Kimishima.
Early life
Furukawa was born in Tokyo, Japan as the son of illustrator Taku Furukawa on January 10, 1972. He grew up... | Shuntaro Furukawa | Technology | 323 |
3,595,454 | https://en.wikipedia.org/wiki/Vaccine%20Safety%20Datalink | The Vaccine Safety Datalink Project (VSD) was established in 1990 by the United States Centers for Disease Control and Prevention (CDC) to study the adverse effects of vaccines.
Four large health maintenance organizations, including Kaiser Permanente, were initially recruited to provide the CDC with medical data on va... | Vaccine Safety Datalink | Chemistry | 571 |
17,545,919 | https://en.wikipedia.org/wiki/Institute%20of%20Combinatorics%20and%20its%20Applications | The Institute of Combinatorics and its Applications (ICA) is an international scientific organization formed in 1990 to increase the visibility and influence of the combinatorial community. In pursuit of this goal, the ICA sponsors conferences, publishes a bulletin and awards a number of medals, including the Euler, Ha... | Institute of Combinatorics and its Applications | Technology | 779 |
21,462,430 | https://en.wikipedia.org/wiki/Hydraulic%20splitter | A hydraulic splitter, also known as rock splitter or darda splitter, is a type of portable hydraulic tool. It is used in demolition jobs which involve breaking large blocks of concrete or rocks. Its use in geology was first popularized by volcanologist David Richardson.
Following the darda splitters, the second type h... | Hydraulic splitter | Physics,Engineering | 536 |
69,796,600 | https://en.wikipedia.org/wiki/Curium%28III%29%20chloride | Curium(III) chloride is the chemical compound with the formula CmCl3.
Structure
Curium(III) chloride has a 9 coordinate tricapped trigonal prismatic geometry.
Synthesis
Curium(III) chloride can be obtained from the reaction of hydrogen chloride gas with curium dioxide, curium(III) oxide, or curium(III) oxychloride a... | Curium(III) chloride | Physics,Chemistry | 181 |
2,322,219 | https://en.wikipedia.org/wiki/Epidemic%20dropsy | Epidemic dropsy is a form of edema of extremities due to poisoning by Argemone mexicana (Mexican prickly poppy).
Epidemic dropsy is a clinical state resulting from use of edible oils adulterated with Argemone mexicana seed oil.
Sanguinarine and dihydrosanguinarine are two major toxic alkaloids of argemone oil, which... | Epidemic dropsy | Environmental_science | 2,102 |
17,420,797 | https://en.wikipedia.org/wiki/USA-201 | USA-201, also known as GPS IIR-19(M), GPS IIRM-6 and GPS SVN-48, is an American navigation satellite which forms part of the Global Positioning System. It was the sixth of eight Block IIRM satellites to be launched, and the nineteenth of twenty one Block IIR satellites overall. It was built by Lockheed Martin, using th... | USA-201 | Technology | 273 |
26,078,570 | https://en.wikipedia.org/wiki/WinPenPack | winPenPack (often shortened to wPP) is an open-source software application suite for Windows. It is a collection of open source applications that have been modified to be executed directly from a USB flash drive (or any other removable storage device) without prior installation. WinPenPack programs are distributed as f... | WinPenPack | Technology | 602 |
43,221 | https://en.wikipedia.org/wiki/E%20number | E numbers, short for Europe numbers, are codes for substances used as food additives, including those found naturally in many foods, such as vitamin C, for use within the European Union (EU) and European Free Trade Association (EFTA). Commonly found on food labels, their safety assessment and approval are the responsib... | E number | Chemistry,Mathematics | 899 |
46,180,241 | https://en.wikipedia.org/wiki/Synthetic%20Reaction%20Updates | Synthetic Reaction Updates was a current awareness bibliographic database from the Royal Society of Chemistry that provided alerts of recently published developments in synthetic organic chemistry.
It covered primary research in general and organic chemistry published in chemistry journals. Each record contains a reac... | Synthetic Reaction Updates | Chemistry | 234 |
67,592,206 | https://en.wikipedia.org/wiki/Reverse%20waterfall | Reverse waterfall is a phenomenon in which water is blown upward due to strong wind in waterfalls giving an apparent perception of water flowing upwards. Strong blowing of wind above about 75 km/h can cause such phenomena.
List of observed location
These have been observed in Australia, India, Japan, the UK, the US a... | Reverse waterfall | Physics | 376 |
72,572,231 | https://en.wikipedia.org/wiki/Equinoctial%20hours | An equinoctial hour is one of the 24 equal parts of the full day (which includes daytime and nighttime).
Its length, unlike the temporal hour, does not vary with the season, but is constant. The measurement of the full day with equinoctial hours of equal length was first used about 2,400 years ago in Babylonia to make... | Equinoctial hours | Physics,Astronomy | 1,531 |
31,360,541 | https://en.wikipedia.org/wiki/Suction%20caisson | Suction caissons (also referred to as suction anchors, suction piles or suction buckets) are a form of fixed platform anchor in the form of an open bottomed tube embedded in the sediment and sealed at the top while in use so that lifting forces generate a pressure differential that holds the caisson down. They have a n... | Suction caisson | Engineering | 1,735 |
13,416,327 | https://en.wikipedia.org/wiki/Accident-proneness | Accident-proneness is the idea that some people have a greater predisposition than others to experience accidents, such as car crashes and industrial injuries. It may be used as a reason to deny any insurance on such individuals.
Early work
The early work on this subject dates back to 1919, in a study by Greenwood and... | Accident-proneness | Engineering,Environmental_science | 2,066 |
4,001,289 | https://en.wikipedia.org/wiki/Grain%20trade | The grain trade refers to the local and international trade in cereals such as wheat, barley, maize, and rice, and other food grains. Grain is an important trade item because it is easily stored and transported with limited spoilage, unlike other agricultural products. Healthy grain supply and trade is important to ma... | Grain trade | Chemistry | 2,138 |
36,326,574 | https://en.wikipedia.org/wiki/Ca%C3%B1o%20Delgadito%20virus | Caño Delgadito virus (CADV) is a hantavirus present in Venezuela. Its natural reservoir is Alston's cotton rat. Transmission among cotton rats appears to be horizontal. While human disease caused by CADV has not yet been identified, it has been isolated from oropharyngeal swabs and urine of infected cotton rats, indica... | Caño Delgadito virus | Biology | 137 |
78,184,272 | https://en.wikipedia.org/wiki/GSX2 | GS homeobox 2 (GSX2) is a protein encoded by a gene of the same name, located on chromosome 4 in humans, and on chromosome 5 in mice.
It is especially important to regulating the development of the brain, particularly during embryonic development. Mutations have been linked to a variety of neurological disorders that ... | GSX2 | Biology | 475 |
303,990 | https://en.wikipedia.org/wiki/Mercer%27s%20theorem | In mathematics, specifically functional analysis, Mercer's theorem is a representation of a symmetric positive-definite function on a square as a sum of a convergent sequence of product functions. This theorem, presented in , is one of the most notable results of the work of James Mercer (1883–1932). It is an importan... | Mercer's theorem | Mathematics | 1,754 |
4,784,171 | https://en.wikipedia.org/wiki/Hole%20punching%20%28networking%29 | Hole punching (or sometimes punch-through) is a technique in computer networking for establishing a direct connection between two parties in which one or both are behind firewalls or behind routers that use network address translation (NAT). To punch a hole, each client connects to an unrestricted third-party server th... | Hole punching (networking) | Engineering | 769 |
60,016,083 | https://en.wikipedia.org/wiki/Signaturen | Signaturen is a residential high-rise building in Tønsberg city, Norway. The building is situated in Kaldnes on the northernmost part of the island Nøtterøy in Tønsberg municipality. At tall, it is Vestfold county's tallest building.
The building is owned by the Norwegian residential property developer Selvaag Bolig ... | Signaturen | Engineering | 188 |
20,172,645 | https://en.wikipedia.org/wiki/M110%20155%20mm%20projectile | The M110 155 mm projectile is an artillery shell used by the U.S. Army and U.S. Marine Corps. The M110 was originally designed as a chemical artillery round to deliver blister agents via howitzer as a replacement for the World War I-era 75 mm chemical projectiles. The design was later repurposed as a white phosphorus ... | M110 155 mm projectile | Chemistry | 664 |
13,780,863 | https://en.wikipedia.org/wiki/Quyllurit%27i | Quyllurit'i or Qoyllur Rit'i (Quechua quyllu rit'i, quyllu bright white, rit'i snow, "bright white snow,") is a syncretic religious festival held annually at the Sinakara Valley in the southern highlands Cusco Region of Peru. Local indigenous people of the Andes know this festival as a native celebration of the stars. ... | Quyllurit'i | Astronomy | 3,300 |
38,202,223 | https://en.wikipedia.org/wiki/Critical%20distance%20%28animals%29 | Critical distance for an animal is the distance a human or an aggressor animal has to approach in order to trigger a defensive attack of the first animal.
The concept was introduced by Swiss zoologist Heini Hediger in 1954, along with other space boundaries for an animal, such as flight distance (run boundary), critic... | Critical distance (animals) | Biology,Environmental_science | 249 |
2,685,903 | https://en.wikipedia.org/wiki/Metope | A metope (; ) is a rectangular architectural element of the Doric order, filling the space between triglyphs in a frieze, a decorative band above an architrave.
In earlier wooden buildings the spaces between triglyphs were first open, and later the free spaces in between triglyphs were closed with metopes; however, met... | Metope | Technology | 414 |
171,964 | https://en.wikipedia.org/wiki/Environmental%20ethics | In environmental philosophy, environmental ethics is an established field of practical philosophy "which reconstructs the essential types of argumentation that can be made for protecting natural entities and the sustainable use of natural resources." The main competing paradigms are anthropocentrism, physiocentrism (ca... | Environmental ethics | Environmental_science | 4,532 |
47,677,275 | https://en.wikipedia.org/wiki/Steroid%20use%20in%20Australia | Anabolic/androgenic steroids are drugs that are obtained from the male hormone, testosterone. Anabolic steroids are used for muscle-building and strength gain for cosmetic reasons as well as for performance-enhancement in athletics and bodybuilding. Anabolic steroids work in many ways by increasing protein synthesis in... | Steroid use in Australia | Chemistry | 294 |
16,509,260 | https://en.wikipedia.org/wiki/Total%20effective%20dose%20equivalent | The Total effective dose equivalent (TEDE) is a radiation dosimetry quantity defined by the US Nuclear Regulatory Commission to monitor and control human exposure to ionizing radiation. It is defined differently in the NRC regulations and NRC glossary. According to the regulations, it is the sum of effective dose equiv... | Total effective dose equivalent | Physics,Chemistry,Materials_science | 258 |
70,628,115 | https://en.wikipedia.org/wiki/Biofoam | Biofoams are biological or biologically derived foams, making up lightweight and porous cellular solids. A relatively new term, its use in academia began in the 1980s in relation to the scum that formed on activated sludge plants.
Biofoams is a broad umbrella term that covers a large variety of topics including natura... | Biofoam | Chemistry | 2,298 |
21,100,715 | https://en.wikipedia.org/wiki/Krull%E2%80%93Schmidt%20theorem | In mathematics, the Krull–Schmidt theorem states that a group subjected to certain finiteness conditions on chains of subgroups, can be uniquely written as a finite direct product of indecomposable subgroups.
Definitions
We say that a group G satisfies the ascending chain condition (ACC) on subgroups if every sequence... | Krull–Schmidt theorem | Mathematics | 1,433 |
45,251,913 | https://en.wikipedia.org/wiki/Dacrymyces%20ovisporus | Dacrymyces ovisporus is a species of fungus in the family Dacrymycetaceae. It was first described scientifically by German mycologist Julius Oscar Brefeld in 1888. The fungus produces roughly spherical to ovoid spores, and both one- and two-spored basidia.
References
External links
Dacrymycetes
Fungi described in 18... | Dacrymyces ovisporus | Biology | 82 |
40,014,784 | https://en.wikipedia.org/wiki/Microapartment | A microapartment, also known as a microflat, micro-condo, or micro-unit is a one-room, self-contained living space, usually purpose built, designed to accommodate a sitting space, sleeping space, bathroom and kitchenette with 14–32 square metres (150–350 sq ft).
Microapartments are becoming popular in urban centres in... | Microapartment | Engineering | 2,300 |
2,800,098 | https://en.wikipedia.org/wiki/Ralph%20Johnson%20%28computer%20scientist%29 | Ralph E. Johnson is a Research Associate Professor in the Department of Computer Science at the University of Illinois at Urbana-Champaign. He is a co-author of the influential computer science textbook Design Patterns: Elements of Reusable Object-Oriented Software, for which he won the 2010 ACM SIGSOFT Outstanding Re... | Ralph Johnson (computer scientist) | Technology | 219 |
76,423,933 | https://en.wikipedia.org/wiki/Janzen%E2%80%93Rayleigh%20expansion | In fluid dynamics, Janzen–Rayleigh expansion represents a regular perturbation expansion using the relevant mach number as the small parameter of expansion for the velocity field that possess slight compressibility effects. The expansion was first studied by O. Janzen in 1913 and Lord Rayleigh in 1916.
Steady potentia... | Janzen–Rayleigh expansion | Chemistry,Engineering | 383 |
48,498,000 | https://en.wikipedia.org/wiki/Chinese%20language%20card | A Chinese language card or Chinese character card is a computer expansion card that improves the ability of computers to process Chinese text.
Early computers were limited in processing speed and storage capacity. If a software like CC-DOS or :zh:UCDOS is being used to render Chinese characters, the Chinese font could... | Chinese language card | Technology | 268 |
29,623,466 | https://en.wikipedia.org/wiki/Microwave%20digestion | Microwave digestion is a chemical technique used to decompose sample material into a solution suitable for quantitative elemental analysis. It is commonly used to prepare samples for analysis using inductively coupled plasma mass spectrometry (ICP-MS), atomic absorption spectroscopy, and atomic emission spectroscopy (... | Microwave digestion | Chemistry | 608 |
57,094,192 | https://en.wikipedia.org/wiki/Kastus | Kastus Technologies is an Irish multinational nanotechnology company that specialises in patented, visible-light-activated, photocatalytic, antimicrobial coatings. These coatings prevent the growth of bacteria on surfaces such as ceramics, glass, and touchscreens, with no negative side effects for the end user. Founded... | Kastus | Materials_science | 557 |
49,615,253 | https://en.wikipedia.org/wiki/5D%20optical%20data%20storage | 5D optical data storage (also branded as Superman memory crystal, a reference to the Kryptonian memory crystals from the Superman franchise) is an experimental nanostructured glass for permanently recording digital data using a femtosecond laser writing process. Discs using this technology could be capable of storing u... | 5D optical data storage | Technology | 578 |
23,612,565 | https://en.wikipedia.org/wiki/Journal%20of%20Chemical%20Technology%20%26%20Biotechnology | The Journal of Chemical Technology & Biotechnology is a monthly peer-reviewed scientific journal. It was established in 1882 as the Journal of the Society of Chemical Industry by the Society of Chemical Industry (SCI). In 1950 it changed its title to Journal of Applied Chemistry and volume numbering restarted at 1. In ... | Journal of Chemical Technology & Biotechnology | Biology | 173 |
1,473,823 | https://en.wikipedia.org/wiki/Medical%20practice%20management%20software | Medical practice management software (PMS) is a category of healthcare software that deals with the day-to-day operations of a medical practice including veterinarians. Such software frequently allows users to capture patient demographics, schedule appointments, maintain lists of insurance payors, perform billing tasks... | Medical practice management software | Biology | 1,392 |
63,944,266 | https://en.wikipedia.org/wiki/Differentiable%20vector%E2%80%93valued%20functions%20from%20Euclidean%20space | In the mathematical discipline of functional analysis, a differentiable vector-valued function from Euclidean space is a differentiable function valued in a topological vector space (TVS) whose domains is a subset of some finite-dimensional Euclidean space.
It is possible to generalize the notion of derivative to func... | Differentiable vector–valued functions from Euclidean space | Mathematics | 1,649 |
34,317,128 | https://en.wikipedia.org/wiki/The%20Island%20on%20Bird%20Street%20%28film%29 | The Island on Bird Street () is a 1997 Danish produced drama film directed by Søren Kragh-Jacobsen. It is based on the novel The Island on Bird Street.
Cast
Patrick Bergin as Stefan
Jordan Kiziuk as Alex
Jack Warden as Boruch
James Bolam as Doctor Studjinsky
Stefan Sauk as Goehler
Simon Gregor as Henryk
Lee Ro... | The Island on Bird Street (film) | Biology | 245 |
46,190,365 | https://en.wikipedia.org/wiki/The%20Red%20Bed | The Red Bed is a piece of painted furniture designed by the English architect and designer William Burges made between 1865 and 1867. Built of mahogany, painted blood red and decorated with imagery of the Sleeping Beauty fairy tale, it was made for Burges's rooms at Buckingham Street, and later moved to his bedroom at... | The Red Bed | Biology | 187 |
71,107,522 | https://en.wikipedia.org/wiki/Julian%20Smith%20%28photographer%29 | Julian Augustus Romaine Smith F.R.P.S. (1873–1947) was a British-Australian surgeon and photographer.
Early life and education
Julian Smith was born on 5 December 1873 in Camberwell, Surrey, England, the son of Rose Amelia Smith (née Pooley) and Captain Julian Augustus James Smith, master mariner. His family migrated... | Julian Smith (photographer) | Biology | 2,565 |
54,686,113 | https://en.wikipedia.org/wiki/Downcast%20%28app%29 | Downcast is a podcast client application for iOS, macOS, and watchOS. It was originally developed by Seth McFarland of Jamawkinaw Enterprises LLC and is currently being developed and maintained by George Cox of Tundaware LLC.
References
External links
Mobile applications
IOS software
Podcasting software | Downcast (app) | Technology | 61 |
54,541,552 | https://en.wikipedia.org/wiki/Cristina%20S%C3%A1nchez%20%28molecular%20biologist%29 | Dr. Cristina Sánchez is a Spanish molecular biologist.
She was born in Madrid, Spain in 1971.
She started her scientific career as an undergraduate student at the laboratory of Dr. Ramos and Dr. Fernández-Ruiz at the Complutense University of Madrid in 1994.
She obtained her PhD with Honors in Biochemistry and Molec... | Cristina Sánchez (molecular biologist) | Chemistry | 184 |
55,595,414 | https://en.wikipedia.org/wiki/NGC%201978 | NGC 1978 (also known as ESO 85-SC90) is an elliptical shaped globular cluster or open cluster in the constellation Dorado. It is located within the Large Magellanic Cloud. It was discovered by James Dunlop on November 6, 1826. At an aperture of 50 arcseconds, its apparent V-band magnitude is 10.20, but at this waveleng... | NGC 1978 | Astronomy | 295 |
57,381,332 | https://en.wikipedia.org/wiki/Saltwater%20intrusion%20in%20California | The State of California enforces several methodologies through technical innovation and scientific approach to combat saltwater intrusion in areas vulnerable to saltwater intrusion. Seawater intrusion is either caused by groundwater extraction or increased in sea level. For every , sea-salty waters rises as the cone o... | Saltwater intrusion in California | Chemistry,Engineering,Environmental_science | 1,362 |
1,204,311 | https://en.wikipedia.org/wiki/Autopen | An autopen (or signing machine) is a device used for the automatic signing of a signature. Prominent individuals may be asked to provide their signatures many times a day, such as celebrities receiving requests for autographs, or politicians signing documents and correspondence in their official capacities. Consequentl... | Autopen | Physics,Technology,Engineering | 1,400 |
74,978,984 | https://en.wikipedia.org/wiki/Music%20%28Xperia%29 | Music, formerly known as Walkman, is an audio player software for Android. Developed by Sony Corporation (and previously by Sony Mobile), it is the default music player on Xperia devices and comes preloaded on them.
A similar Walkman app continues to exist on Walkman digital audio players, including those that run on ... | Music (Xperia) | Engineering | 389 |
69,380,218 | https://en.wikipedia.org/wiki/Hypergraph%20regularity%20method | In mathematics, the hypergraph regularity method is a powerful tool in extremal graph theory that refers to the combined application of the hypergraph regularity lemma and the associated counting lemma. It is a generalization of the graph regularity method, which refers to the use of Szemerédi's regularity and counting... | Hypergraph regularity method | Mathematics | 1,765 |
15,064,796 | https://en.wikipedia.org/wiki/BOK%20%28gene%29 | Bok (Bcl-2 related ovarian killer) is a protein-coding gene of the Bcl-2 family that is found in many invertebrates and vertebrates. It induces apoptosis, a special type of cell death. Currently, the precise function of Bok in this process is unknown.
Discovery and homology
In 1997, the protein Bcl-2-related ovarian ... | BOK (gene) | Biology | 1,590 |
2,770,340 | https://en.wikipedia.org/wiki/OS-level%20virtualization | OS-level virtualization is an operating system (OS) virtualization paradigm in which the kernel allows the existence of multiple isolated user space instances, including containers (LXC, Solaris Containers, AIX WPARs, HP-UX SRP Containers, Docker, Podman), zones (Solaris Containers), virtual private servers (OpenVZ), p... | OS-level virtualization | Engineering | 1,554 |
48,017,959 | https://en.wikipedia.org/wiki/Tolerable%20weekly%20intake | Tolerable weekly intake (TWI) estimates the amount per unit body weight of a potentially harmful substance or contaminant in food or water that can be ingested over a lifetime without risk of adverse health effects. TWI is generally preceded by "provisional" to indicate insufficient data exists, increasing uncertainty.... | Tolerable weekly intake | Environmental_science | 817 |
25,001,172 | https://en.wikipedia.org/wiki/List%20of%20map%20projections | This is a summary of map projections that have articles of their own on Wikipedia or that are otherwise notable. Because there is no limit to the number of possible map projections, there can be no comprehensive list.
Table of projections
*The first known popularizer/user and not necessarily the creator.
Key
Type o... | List of map projections | Mathematics | 524 |
36,392,884 | https://en.wikipedia.org/wiki/USA-177 | USA-177, also known as GPS IIR-11 and GPS SVN-59, is an American navigation satellite which forms part of the Global Positioning System. It was the eleventh Block IIR GPS satellite to be launched, out of thirteen in the original configuration, and twenty one overall. It was built by Lockheed Martin, using the AS-4000 s... | USA-177 | Technology | 263 |
68,408,273 | https://en.wikipedia.org/wiki/Nuclearite | Nuclearites are hypothetical objects consisting of nuggets of strange quark matter or a strangelet surrounded by an electron shell, forming an atom-like neutral system, but with masses much larger than a normal atom. These heavy compact particles were first proposed by E. Witten, and the name coined by A. De Rujula and... | Nuclearite | Physics | 348 |
64,681,276 | https://en.wikipedia.org/wiki/6G | In telecommunications, 6G is the designation for a future technical standard of a sixth-generation technology for wireless communications.
It is the planned successor to 5G (ITU-R IMT-2020), and is currently in the early stages of the standardization process, tracked by the ITU-R as IMT-2030 with the framework and ove... | 6G | Technology | 1,611 |
70,401,497 | https://en.wikipedia.org/wiki/HD%20171819 | HD 171819, also known as HR 6986 or rarely 22 G. Telescopii, is a solitary star located in the southern constellation Telescopium. It is faintly visible to the naked eye as a white-hued object with an apparent magnitude of 5.84. The object is located relatively close at a distance of 313 light years based on Gaia DR3 ... | HD 171819 | Astronomy | 346 |
23,190,613 | https://en.wikipedia.org/wiki/Hurwitz%27s%20theorem%20%28number%20theory%29 | In number theory, Hurwitz's theorem, named after Adolf Hurwitz, gives a bound on a Diophantine approximation. The theorem states that for every irrational number ξ there are infinitely many relatively prime integers m, n such that
The condition that ξ is irrational cannot be omitted. Moreover the constant is the best... | Hurwitz's theorem (number theory) | Mathematics | 147 |
14,221,614 | https://en.wikipedia.org/wiki/Topological%20index | In the fields of chemical graph theory, molecular topology, and mathematical chemistry, a topological index, also known as a connectivity index, is a type of a molecular descriptor that is calculated based on the molecular graph of a chemical compound. Topological indices are numerical parameters of a graph which cha... | Topological index | Chemistry,Mathematics | 763 |
774,811 | https://en.wikipedia.org/wiki/Pedersen%20device | The Pedersen device was an experimental weapon attachment for the M1903 Springfield bolt action rifle that allowed it to fire a .30 caliber (7.62 mm) pistol-type cartridge in semi-automatic fire mode. The attachment was developed to allow an infantryman to convert "their rifle to a form of submachine gun or automatic r... | Pedersen device | Technology | 1,496 |
44,965,599 | https://en.wikipedia.org/wiki/Eoxin%20D4 | {{DISPLAYTITLE:Eoxin D4}}
Eoxin D4 (EXD4), also known as 14,15-leukotriene D4, is an eoxin. Cells make eoxins by metabolizing arachidonic acid with a 15-lipoxygenase enzyme to form 15(S)-hydroperoxyeicosapentaenoic acid (i.e. 15(S)-HpETE). This product is then converted serially to EXA4, EXC4, EXD4, and EXE4 by LTC4 s... | Eoxin D4 | Chemistry,Biology | 284 |
985,793 | https://en.wikipedia.org/wiki/Vacuum%20extraction | Vacuum extraction (VE), also known as ventouse, is a method to assist delivery of a baby using a vacuum device. It is used in the second stage of labor if it has not progressed adequately. It may be an alternative to a forceps delivery and caesarean section. It cannot be used when the baby is in the breech position or... | Vacuum extraction | Biology | 759 |
67,469,176 | https://en.wikipedia.org/wiki/Reverse%20complement%20polymerase%20chain%20reaction | Reverse complement polymerase chain reaction (RC-PCR) is a modification of the polymerase chain reaction (PCR). It is primarily used to generate amplicon libraries for DNA sequencing by next generation sequencing (NGS). The technique permits both the amplification and the ability to append sequences or functional domai... | Reverse complement polymerase chain reaction | Chemistry,Technology,Biology | 1,241 |
70,936,440 | https://en.wikipedia.org/wiki/Henry%20Johnston%20Scott%20Matthew | Henry Johnston Scott Matthew FRCPE (22 March 1914 – 7 April 1997) was a Scottish physician and toxicologist in charge of the Regional Poisoning Treatment Centre from 1964 and Director of the Scottish Poisons Information Bureau from 1965. Matthew changed his career path, concentrating on Toxicology in 1957 and was known... | Henry Johnston Scott Matthew | Environmental_science | 492 |
928,060 | https://en.wikipedia.org/wiki/Jet%20bundle | In differential topology, the jet bundle is a certain construction that makes a new smooth fiber bundle out of a given smooth fiber bundle. It makes it possible to write differential equations on sections of a fiber bundle in an invariant form. Jets may also be seen as the coordinate free versions of Taylor expansions.... | Jet bundle | Mathematics | 3,740 |
40,887,862 | https://en.wikipedia.org/wiki/Chemical%20phosphorus%20removal | Chemical phosphorus removal is a wastewater treatment method, where phosphorus is removed using salts of aluminum (e.g. alum or polyaluminum chloride), iron (e.g. ferric chloride), or calcium (e.g. lime). Phosphate forms precipitates with the metal ions and is removed together with the sludge in the separation unit (se... | Chemical phosphorus removal | Chemistry,Engineering,Environmental_science | 1,376 |
22,545,016 | https://en.wikipedia.org/wiki/GSC%2002620-00648 | GSC 02620-00648 is a double star in the constellation Hercules. The brighter of the pair is a magnitude 12 star located approximately 1,660 light-years away. This star is about 1.18 times as massive as the Sun.
Planetary system
In 2006 the TrES program discovered exoplanet TrES-4b using the transit method. This planet... | GSC 02620-00648 | Astronomy | 283 |
2,647,181 | https://en.wikipedia.org/wiki/Round-robin%20DNS | Round-robin DNS is a technique of load distribution, load balancing, or fault-tolerance provisioning multiple, redundant Internet Protocol service hosts, e.g., Web server, FTP servers, by managing the Domain Name System's (DNS) responses to address requests from client computers according to an appropriate statistical... | Round-robin DNS | Technology,Engineering | 729 |
31,582,581 | https://en.wikipedia.org/wiki/Dry%20basis | Dry basis is an expression of a calculation in chemistry, chemical engineering and related subjects, in which the presence of water (H2O) (and/or other solvents) is neglected for the purposes of the calculation. Water (and/or other solvents) is neglected because addition and removal of water (and/or other solvents) are... | Dry basis | Chemistry | 292 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.