id int64 580 79M | url stringlengths 31 175 | text stringlengths 9 245k | source stringlengths 1 109 | categories stringclasses 160
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58,979,901 | https://en.wikipedia.org/wiki/Natan%20Yavlinsky | Natan Aronovich Yavlinsky (; 13 February 191228 July 1962) was a Russian physicist in the former Soviet Union who invented and developed the first working tokamak.
Early life and career
Yavlinsky was born to a family of doctors on 13 February 1912 at Kharkiv (then Kharkov), Russian Empire. Grigory Yavlinsky, an econ... | Natan Yavlinsky | Physics | 1,538 |
4,055,589 | https://en.wikipedia.org/wiki/Proprietary%20hardware | Proprietary hardware is computer hardware whose interface is controlled by the proprietor, often under patent or trade-secret protection.
Historically, most early computer hardware was designed as proprietary until the 1980s, when IBM PC changed this paradigm. Earlier, in the 1970s, many vendors tried to challenge IBM... | Proprietary hardware | Technology | 131 |
58,602,846 | https://en.wikipedia.org/wiki/C%C3%A9line%20B%C5%93hm | Céline Bœhm is a professor of Particle Physics at the University of Sydney. She works on astroparticle physics and dark matter.
Early life and education
Bœhm studied fundamental physics at the Pierre and Marie Curie University, graduating in 1997. She joined École Polytechnique, where she obtained a Master in Engine... | Céline Bœhm | Physics,Astronomy | 658 |
2,224,896 | https://en.wikipedia.org/wiki/Archibald%20Howie | Archibald "Archie" Howie (born 8 March 1934) is a British physicist and Emeritus Professor at the University of Cambridge, known for his pioneering work on the interpretation of transmission electron microscope images of crystals. Born in 1934, he attended Kirkcaldy High School and the University of Edinburgh. He recei... | Archibald Howie | Chemistry | 263 |
10,073,845 | https://en.wikipedia.org/wiki/1/4%20%2B%201/16%20%2B%201/64%20%2B%201/256%20%2B%20%E2%8B%AF | In mathematics, the infinite series is an example of one of the first infinite series to be summed in the history of mathematics; it was used by Archimedes circa 250–200 BC. As it is a geometric series with first term and common ratio , its sum is
Visual demonstrations
The series lends itself to some particularly... | 1/4 + 1/16 + 1/64 + 1/256 + ⋯ | Mathematics | 624 |
22,350,680 | https://en.wikipedia.org/wiki/Free%20carrier%20absorption | Free carrier absorption occurs when a material absorbs a photon, and a carrier (electron or hole) is excited from an already-excited state to another, unoccupied state in the same band (but possibly a different subband). This intraband absorption is different from interband absorption because the excited carrier is alr... | Free carrier absorption | Physics | 562 |
55,127,142 | https://en.wikipedia.org/wiki/Mycorrhaphium%20sessile | Mycorrhaphium sessile is a species of tooth fungus in the family Steccherinaceae that is found in China. It was described as a new species in 2009 by mycologists Hai-Sheng Yuan and Yu-Cheng Dai. The type collection was made in Yunnan, where it was found fruiting on a fallen branch.
References
Steccherinaceae
Fungi of... | Mycorrhaphium sessile | Biology | 96 |
41,478,545 | https://en.wikipedia.org/wiki/Photoaffinity%20labeling | Photoaffinity labeling is a chemoproteomics technique used to attach "labels" to the active site of a large molecule, especially a protein. The "label" attaches to the molecule loosely and reversibly, and has an inactive site which can be converted using photolysis into a highly reactive form, which causes the label to... | Photoaffinity labeling | Chemistry,Biology | 147 |
1,434,980 | https://en.wikipedia.org/wiki/Jaguar%20%28British%20rocket%29 | The Jaguar (also called Jabiru) was a three-stage British sounding rocket built in several versions.
The first stage of the Jabiru Mk.1 was 5.6 m long and had a takeoff weight of 1,170 kilograms, of which about 866 kilograms were fuel, being powered by a Rook II engine. The second stage weighed 292 kilograms, of which... | Jaguar (British rocket) | Astronomy | 333 |
573,528 | https://en.wikipedia.org/wiki/Systems%20development%20life%20cycle | In systems engineering, information systems and software engineering, the systems development life cycle (SDLC), also referred to as the application development life cycle, is a process for planning, creating, testing, and deploying an information system. The SDLC concept applies to a range of hardware and software con... | Systems development life cycle | Technology,Engineering | 3,519 |
26,240,028 | https://en.wikipedia.org/wiki/Heath%20Bunting | Heath Bunting (born 1966) is a British contemporary artist. Based in Bristol, he is a co-founder of the website irational.org, and was one of the early practitioners in the 1990s of Net.art. Bunting's work is based on creating open and democratic systems by modifying communications technologies and social systems. His ... | Heath Bunting | Technology | 1,026 |
686,036 | https://en.wikipedia.org/wiki/Wave%20vector | In physics, a wave vector (or wavevector) is a vector used in describing a wave, with a typical unit being cycle per metre. It has a magnitude and direction. Its magnitude is the wavenumber of the wave (inversely proportional to the wavelength), and its direction is perpendicular to the wavefront. In isotropic media, ... | Wave vector | Physics,Mathematics | 1,395 |
1,009,445 | https://en.wikipedia.org/wiki/European%20Launcher%20Development%20Organisation | The European Launcher Development Organisation (ELDO) is a former European space research organisation. It was first developed in order to establish a satellite launch vehicle for Europe. The three-stage rocket developed was named Europa, after the mythical Greek goddess. Overall, there were 10 launches that occurred u... | European Launcher Development Organisation | Astronomy | 1,333 |
2,910,116 | https://en.wikipedia.org/wiki/14%20Cancri | 14 Cancri is a star in the northern zodiac constellation of Cancer. It can be referred to as ψ Cancri, very occasionally as ψ2 Cancri, to distinguish it from 13 Cancri which is sometimes called ψ1 Cancri. It is just barely visible to the naked eye, having an apparent visual magnitude of +5.73. Based upon an annual para... | 14 Cancri | Astronomy | 310 |
8,292,324 | https://en.wikipedia.org/wiki/Solid%20solution%20strengthening | In metallurgy, solid solution strengthening is a type of alloying that can be used to improve the strength of a pure metal. The technique works by adding atoms of one element (the alloying element) to the crystalline lattice of another element (the base metal), forming a solid solution. The local nonuniformity in the l... | Solid solution strengthening | Chemistry,Materials_science,Engineering | 2,488 |
57,682,839 | https://en.wikipedia.org/wiki/Ingle%20Brothers%20Broomcorn%20Warehouse | The Ingle Brothers Broomcorn Warehouse, in Shattuck, Oklahoma, was listed on the National Register of Historic Places in 2009. It is located at 320 NW 1st St., at Oklahoma Avenue, in Shattuck.
It was built in 1909. A photo shows it is a gable-front brick building with a stepped gable.
References
Warehouses in the ... | Ingle Brothers Broomcorn Warehouse | Engineering | 89 |
52,227 | https://en.wikipedia.org/wiki/SourceForge | SourceForge is a web service founded by Geoffrey B. Jeffery, Tim Perdue, and Drew Streib in November 1999. The software provides a centralized online platform for managing and hosting open-source software projects, and a directory for comparing and reviewing business software that lists over 101,600 business software t... | SourceForge | Technology | 1,841 |
11,231,804 | https://en.wikipedia.org/wiki/Acetonitrile%20%28data%20page%29 | This page provides supplementary chemical data on acetonitrile.
Material Safety Data Sheet
The handling of this chemical may incur notable safety precautions. It is highly recommend that you seek the Material Safety Datasheet (MSDS) for this chemical from a reliable source and follow its directions.
SIRI
Fisher S... | Acetonitrile (data page) | Chemistry | 133 |
48,636,729 | https://en.wikipedia.org/wiki/Oil%20print%20process | The oil print process is a photographic printmaking process that dates to the mid-19th century. Oil prints are made on paper on which a thick gelatin layer has been sensitized to light using dichromate salts. After the paper is exposed to light through a negative, the gelatin emulsion is treated in such a way that high... | Oil print process | Chemistry | 931 |
18,585,770 | https://en.wikipedia.org/wiki/Morphological%20gradient | In mathematical morphology and digital image processing, a morphological gradient is the difference between the dilation and the erosion of a given image. It is an image where each pixel value (typically non-negative) indicates the contrast intensity in the close neighborhood of that pixel. It is useful for edge detect... | Morphological gradient | Technology | 305 |
3,237,784 | https://en.wikipedia.org/wiki/Boolean%20grammar | Boolean grammars, introduced by , are a class of formal grammars studied in formal language theory. They extend the basic type of grammars, the context-free grammars, with conjunction and negation operations. Besides these explicit operations, Boolean grammars allow implicit disjunction represented by multiple rules fo... | Boolean grammar | Mathematics | 418 |
1,728,077 | https://en.wikipedia.org/wiki/Copywriting | Copywriting is the act or occupation of writing text for the purpose of advertising or other forms of marketing. Copywriting is aimed at selling products or services. The product, called copy or sales copy, is written content that aims to increase brand awareness and ultimately persuade a person or group to take a part... | Copywriting | Engineering | 1,804 |
33,297,462 | https://en.wikipedia.org/wiki/Keller%27s%20conjecture | In geometry, Keller's conjecture is the conjecture that in any tiling of -dimensional Euclidean space by identical hypercubes, there are two hypercubes that share an entire -dimensional face with each other. For instance, in any tiling of the plane by identical squares, some two squares must share an entire edge, as th... | Keller's conjecture | Physics,Mathematics | 2,718 |
12,045,114 | https://en.wikipedia.org/wiki/Flory%20convention | In polymer science, the Flory convention is a convention for labelling rotational isomers of polymers. It is named after Nobel Prize-winning Paul Flory.
The convention states that for a given bond, when the dihedral angle formed between the previous and subsequent bonds projected on the plane normal to the bond is 0 ... | Flory convention | Physics,Biology | 96 |
12,812,870 | https://en.wikipedia.org/wiki/Stygiolobus | Stygiolobus is a genus in the family Sulfolobaceae.
See also
List of Archaea genera
References
Further reading
Scientific journals
Scientific books
External links
Archaea genera
Thermoproteota | Stygiolobus | Biology | 44 |
13,408,012 | https://en.wikipedia.org/wiki/Healthy%20user%20bias | The healthy user bias or healthy worker bias is a bias that can damage the validity of epidemiologic studies testing the efficacy of particular therapies or interventions.
Specifically, it is a sampling bias or selection bias: the kind of subjects that take up an intervention, including by enrolling in a clinical tri... | Healthy user bias | Environmental_science | 312 |
12,342,942 | https://en.wikipedia.org/wiki/Anderson%20orthogonality%20theorem | The Anderson orthogonality theorem is a theorem in physics by the physicist P. W. Anderson.
It relates to the introduction of a magnetic impurity in a metal. When a magnetic impurity is introduced into a metal, the conduction electrons will tend to screen the potential that the impurity creates. The N-electron ground... | Anderson orthogonality theorem | Physics,Chemistry,Materials_science,Engineering | 108 |
24,497,031 | https://en.wikipedia.org/wiki/MakerBot | MakerBot Industries, LLC was an American desktop 3D printer manufacturer company headquartered in New York City. It was founded in January 2009 by Bre Pettis, Adam Mayer, and Zach "Hoeken" Smith to build on the early progress of the RepRap Project. It was acquired by Stratasys in June 2013. , MakerBot had sold over 10... | MakerBot | Engineering | 2,862 |
22,426,302 | https://en.wikipedia.org/wiki/Beta%20Pyxidis | Beta Pyxidis, Latinized from β Pyxidis, is a double star located in the southern constellation Pyxis. It has an apparent visual magnitude of 3.954, making it the second brightest star in that faint constellation. Based upon parallax measurements, the star is an estimated 420 light-years (128 parsecs) from the Earth.
T... | Beta Pyxidis | Astronomy | 400 |
30,698,180 | https://en.wikipedia.org/wiki/N-Propyl%20azide | n-Propyl azide is an organic compound with the formula CH3CH2CH2N3. A white solid, it is a simple organic azide.
n-Propyl azide has been used in the laboratory synthesis of pharmaceutical drug candidates.
References
Further reading
Organoazides
Propyl compounds | N-Propyl azide | Chemistry | 64 |
352,354 | https://en.wikipedia.org/wiki/Limit%20state%20design | Limit State Design (LSD), also known as Load And Resistance Factor Design (LRFD), refers to a design method used in structural engineering. A limit state is a condition of a structure beyond which it no longer fulfills the relevant design criteria. The condition may refer to a degree of loading or other actions on the... | Limit state design | Engineering | 1,936 |
1,068,565 | https://en.wikipedia.org/wiki/Ernst%20Alexanderson | Ernst Frederick Werner Alexanderson (; January 25, 1878 – May 14, 1975) was a Swedish-American electrical engineer and inventor who was a pioneer in radio development. He invented the Alexanderson alternator, an early radio transmitter used between 1906 and the 1930s for longwave long distance radio transmission. Alexa... | Ernst Alexanderson | Engineering | 1,212 |
4,096,160 | https://en.wikipedia.org/wiki/ObjectARX | ObjectARX (AutoCAD Runtime eXtension) is an API for customizing and extending AutoCAD. The ObjectARX SDK is published by Autodesk and freely available under license from Autodesk. The ObjectARX SDK consists primarily of C++ headers and libraries that can be used to build Windows DLLs that can be loaded into the AutoCAD... | ObjectARX | Technology | 418 |
19,719,222 | https://en.wikipedia.org/wiki/Biorepository | A biorepository is a facility that collects, catalogs, and stores samples of biological material for laboratory research. Biorepositories collect and manage specimens from animals, plants, and other living organisms. Biorepositories store many different types of specimens, including samples of blood, urine, tissue, cel... | Biorepository | Biology | 1,077 |
21,575,675 | https://en.wikipedia.org/wiki/TB10Cs5H2%20snoRNA | TB10Cs5H2 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. TB10Cs5H2 is pred... | TB10Cs5H2 snoRNA | Chemistry | 123 |
1,316,648 | https://en.wikipedia.org/wiki/Constructive%20dilemma | Constructive dilemma is a valid rule of inference of propositional logic. It is the inference that, if P implies Q and R implies S and either P or R is true, then either Q or S has to be true. In sum, if two conditionals are true and at least one of their antecedents is, then at least one of their consequents must be t... | Constructive dilemma | Mathematics | 319 |
22,607,832 | https://en.wikipedia.org/wiki/Manta%20trawl | A manta trawl is a net system for sampling the surface of the ocean. It resembles a manta ray, with metal wings and a broad mouth. The net it pulls is made of thin mesh, and the whole trawl is towed behind a scientific research vessel. The manta trawl is useful for collecting samples from the surface of the ocean, su... | Manta trawl | Technology,Engineering,Biology | 130 |
1,240,378 | https://en.wikipedia.org/wiki/Symmetry%20breaking | In physics, symmetry breaking is a phenomenon where a disordered but symmetric state collapses into an ordered, but less symmetric state. This collapse is often one of many possible bifurcations that a particle can take as it approaches a lower energy state. Due to the many possibilities, an observer may assume the res... | Symmetry breaking | Physics,Mathematics | 1,749 |
588,260 | https://en.wikipedia.org/wiki/Kakeya%20set | In mathematics, a Kakeya set, or Besicovitch set, is a set of points in Euclidean space which contains a unit line segment in every direction. For instance, a disk of radius 1/2 in the Euclidean plane, or a ball of radius 1/2 in three-dimensional space, forms a Kakeya set. Much of the research in this area has studied ... | Kakeya set | Mathematics | 3,073 |
2,358,446 | https://en.wikipedia.org/wiki/ZBLAN | ZBLAN is the most stable, and consequently the most used, fluoride glass, a subcategory of the heavy metal fluoride glass (HMFG) group. Typically its composition is 53% ZrF4, 20% BaF2, 4% LaF3, 3% AlF3 and 20% NaF. ZBLAN is not a single material but rather has a spectrum of compositions, many of which are still untried... | ZBLAN | Physics,Chemistry | 3,026 |
30,476,777 | https://en.wikipedia.org/wiki/Console%20television | A console television is a type of CRT television most popular in, but not exclusive to, the United States and Canada. Console CRT televisions are distinguished from standard CRT televisions by their factory-built, non-removable, wooden cabinets and speakers, which form an integral part of the television's design.
Best... | Console television | Technology | 231 |
63,093,546 | https://en.wikipedia.org/wiki/NGC%20950 | NGC 950 is a barred spiral galaxy in the constellation Cetus. It is approximately 205 million light-years away from the Solar System and has a diameter of about 85,000 light-years. The object was discovered in 1886 by American astronomer and mathematician Ormond Stone.
See also
List of NGC objects (1–1000)
Referenc... | NGC 950 | Astronomy | 79 |
58,920,692 | https://en.wikipedia.org/wiki/CN%20Andromedae | CN Andromedae (CN And) is an eclipsing binary star in the constellation Andromeda. Its maximum apparent visual magnitude is 9.62 and drops down to a minimum of 10.2 during the main eclipse. It is classified as a Beta Lyrae variable with a period roughly of 0.4628 days.
System
The two stars in this system orbit very cl... | CN Andromedae | Astronomy | 298 |
35,130,341 | https://en.wikipedia.org/wiki/Comparison%20of%20search%20engines | Web search engines are listed in tables below for comparison purposes. The first table lists the company behind the engine, volume and ad support and identifies the nature of the software being used as free software or proprietary software. The second and third table lists internet privacy aspects along with other tec... | Comparison of search engines | Technology | 157 |
5,179,603 | https://en.wikipedia.org/wiki/Optical%20axis%20grating | Optical axis gratings (OAGs) are gratings of optical axis of a birefringent material. In OAGs, the birefringence of the material is constant, while the direction of optical axis is periodically modulated in a fixed direction. In this way they are different from the regular phase gratings, in which the refractive index ... | Optical axis grating | Materials_science,Engineering | 393 |
33,735,571 | https://en.wikipedia.org/wiki/Killer%20activation%20receptor | Killer Activation Receptors (KARs) are receptors expressed on the plasma membrane (cell membrane) of Natural Killer cells (NK cells). KARs work together with Killer Inhibitory Receptors (abbreviated as KIRs in the text), which inactivate KARs in order to regulate the NK cells functions on hosted or transformed cells. T... | Killer activation receptor | Chemistry,Biology | 2,091 |
53,734,156 | https://en.wikipedia.org/wiki/ChatScript | ChatScript is a combination Natural Language engine and dialog management system designed initially for creating chatbots, but is currently also used for various forms of NL processing. It is written in C++. The engine is an open source project at SourceForge. and GitHub.
ChatScript was written by Bruce Wilcox and... | ChatScript | Technology | 1,493 |
166,380 | https://en.wikipedia.org/wiki/Natural%20history | Natural history is a domain of inquiry involving organisms, including animals, fungi, and plants, in their natural environment, leaning more towards observational than experimental methods of study. A person who studies natural history is called a naturalist or natural historian.
Natural history encompasses scientific... | Natural history | Technology | 3,102 |
68,720,300 | https://en.wikipedia.org/wiki/Psilocybe%20angulospora | Psilocybe angulospora is a species of agaric fungus in the family Hymenogastraceae. The species was described from Taiwan in 2015 and is also present in New Zealand, where it is considered introduced. As a blueing member of the genus Psilocybe it contains the psychoactive compounds psilocin and psilocybin.
The fruitbo... | Psilocybe angulospora | Biology | 1,206 |
12,783,915 | https://en.wikipedia.org/wiki/Bomab | The BOttle MAnnequin ABsorber phantom was developed by Bush in 1949 (Bush 1949) and has since been accepted in North America as the industry standard (ANSI 1995) for calibrating whole body counting systems.
The phantom consists of 10 polyethylene bottles, either cylinders or elliptical cylinders, that represent the he... | Bomab | Chemistry,Biology | 485 |
32,159,946 | https://en.wikipedia.org/wiki/Forest%20floor%20interception | Forest floor interception is the part of the (net) precipitation or throughfall that is temporarily stored in the top layer of the forest floor and successively evaporated within a few hours or days during and after the rainfall event. The forest floor can consist of bare soil, short vegetation (like grasses, mosses, c... | Forest floor interception | Chemistry,Engineering,Environmental_science | 842 |
61,267,718 | https://en.wikipedia.org/wiki/Esing%20Bakery%20incident | The Esing Bakery incident, also known as the Ah Lum affair, was a food contamination scandal in the early history of British Hong Kong. On 15 January 1857, during the Second Opium War, several hundred European residents were poisoned non-lethally by arsenic, found in bread produced by a Chinese-owned store, the Esing B... | Esing Bakery incident | Chemistry,Environmental_science | 3,273 |
4,159,307 | https://en.wikipedia.org/wiki/Data%20access%20layer | A data access layer (DAL) in computer software is a layer of a computer program which provides simplified access to data stored in persistent storage of some kind, such as an entity-relational database. This acronym is prevalently used in Microsoft environments.
For example, the DAL might return a reference to an obje... | Data access layer | Engineering | 465 |
38,973,439 | https://en.wikipedia.org/wiki/Higgs%20field%20%28classical%29 | Spontaneous symmetry breaking, a vacuum Higgs field, and its associated fundamental particle the Higgs boson are quantum phenomena. A vacuum Higgs field is responsible for spontaneous symmetry breaking the gauge symmetries of fundamental interactions and provides the Higgs mechanism of generating mass of elementary par... | Higgs field (classical) | Physics,Mathematics | 361 |
2,665 | https://en.wikipedia.org/wiki/Affray | In many legal jurisdictions related to English common law, affray is a public order offence consisting of the fighting of one or more persons in a public place to the terror (in ) of ordinary people. Depending on their actions, and the laws of the prevailing jurisdiction, those engaged in an affray may also render the... | Affray | Biology | 960 |
5,305,433 | https://en.wikipedia.org/wiki/Life%20course%20approach | The life course approach, also known as the life course perspective or life course theory, refers to an approach developed in the 1960s for analyzing people's lives within structural, social, and cultural contexts. It views one's life as a socially sequenced timeline and recognizes the importance of factors such as gen... | Life course approach | Biology,Environmental_science | 950 |
44,252,271 | https://en.wikipedia.org/wiki/List%20of%20largest%20galaxies | This is a list of largest galaxies known, sorted by order of increasing major axis diameters. The unit of measurement used is the light-year (approximately 9.46 kilometers).
Overview
Galaxies are vast collections of stars, planets, nebulae and other objects that are surrounded by an interstellar medium and held toge... | List of largest galaxies | Astronomy | 485 |
33,301,978 | https://en.wikipedia.org/wiki/OU%20Geminorum | OU Geminorum (OU Gem) is a visual binary or possible triple star located in the constellation of Gemini.
The system has an absolute magnitude of 5.93, so at a distance of 48 light years it has an apparent magnitude of 6.77 when viewed from earth. It also has a total proper motion of 0.210"/yr and belongs to the Ursa M... | OU Geminorum | Astronomy | 179 |
35,249,712 | https://en.wikipedia.org/wiki/Constant%20strain%20triangle%20element | In numerical mathematics, the constant strain triangle element, also known as the CST element or T3 element, is a type of element used in finite element analysis which is used to provide an approximate solution in a 2D domain to the exact solution of a given differential equation.
The name of this element reflects how... | Constant strain triangle element | Mathematics | 140 |
27,743,621 | https://en.wikipedia.org/wiki/NASA%20RealWorld-InWorld%20Engineering%20Design%20Challenge | The NASA Real World-In World Engineering Design Challenge is an educational program targeting students in grades 7–12 to foster skills relevant to STEM careers. The program is structured into two phases: project-based learning and team competitions. Participants tackle engineering challenges, collaborating with univers... | NASA RealWorld-InWorld Engineering Design Challenge | Technology | 388 |
52,177,827 | https://en.wikipedia.org/wiki/Cosmetic%20packaging | The term cosmetic packaging is used for containers (primary packaging) and secondary packaging of fragrances and cosmetic products. Cosmetic products are substances intended for human cleansing, beautifying and promoting an enhanced appearance without altering the body's structure or functions.
Cosmetic packaging is g... | Cosmetic packaging | Technology | 2,779 |
61,594,653 | https://en.wikipedia.org/wiki/Cytomegalovirus%20papiinebeta4 | Cytomegalovirus papiinebeta4, formerly Papiine betaherpesvirus 4 (PaHV-4), is a species of virus in the genus Cytomegalovirus, subfamily Betaherpesvirinae, family Herpesviridae, and order Herpesvirales.
References
Betaherpesvirinae | Cytomegalovirus papiinebeta4 | Biology | 71 |
522,062 | https://en.wikipedia.org/wiki/Engineering%20tolerance | Engineering tolerance is the permissible limit or limits of variation in:
a physical dimension;
a measured value or physical property of a material, manufactured object, system, or service;
other measured values (such as temperature, humidity, etc.);
in engineering and safety, a physical distance or space (tolera... | Engineering tolerance | Mathematics,Engineering | 1,903 |
39,132,225 | https://en.wikipedia.org/wiki/Wallowing | Wallowing in animals is comfort behaviour during which an animal rolls about or lies in mud, water or snow. Some definitions include rolling about in dust, however, in ethology this is usually referred to as dust bathing. Wallowing is often combined with other behaviours to fulfil its purpose; for example, elephants ... | Wallowing | Biology | 1,044 |
23,285,206 | https://en.wikipedia.org/wiki/Rubidium-82 | Rubidium-82 (82Rb) is a radioactive isotope of rubidium. 82Rb is widely used in myocardial perfusion imaging. This isotope undergoes rapid uptake by myocardiocytes, which makes it a valuable tool for identifying myocardial ischemia in Positron Emission Tomography (PET) imaging. 82Rb is used in the pharmaceutical indust... | Rubidium-82 | Chemistry | 1,428 |
4,038,083 | https://en.wikipedia.org/wiki/Moral%20treatment | Moral treatment was an approach to mental disorder based on humane psychosocial care or moral discipline that emerged in the 18th century and came to the fore for much of the 19th century, deriving partly from psychiatry or psychology and partly from religious or moral concerns. The movement is particularly associated ... | Moral treatment | Biology | 3,262 |
20,673,489 | https://en.wikipedia.org/wiki/National%20Construction%20Equipment%20Museum | The National Construction Equipment Museum is a non-profit organization located in Bowling Green, Ohio, United States that is dedicated to preserving the history of construction, dredging and surface mining industries and equipment. The museum is operated by the Historical Construction Equipment Association and featur... | National Construction Equipment Museum | Engineering | 157 |
6,820,847 | https://en.wikipedia.org/wiki/Computational%20semantics | Computational semantics is the study of how to automate the process of constructing and reasoning with meaning representations of natural language expressions. It consequently plays an important role in natural-language processing and computational linguistics.
Some traditional topics of interest are: construction of ... | Computational semantics | Technology | 476 |
8,466,950 | https://en.wikipedia.org/wiki/Ecover | Ecover is a Belgian company that manufactures ecologically sound cleaning products (made from plant-based and mineral ingredients), owned by S. C. Johnson & Son since 2017.
History
The company was founded in 1979 by Frans Bogaerts to create phosphate-free cleaning products to reduce the environmental impact of cleanin... | Ecover | Chemistry | 1,693 |
17,021,230 | https://en.wikipedia.org/wiki/WASP-14b | WASP-14b is an extrasolar planet discovered in 2008 by SuperWASP using the transit method. Follow-up radial velocity measurements showed that the mass of WASP-14b is almost eight times larger than that of Jupiter. The radius found by the transit observations show that it has a radius 25% larger than Jupiter. This makes... | WASP-14b | Astronomy | 196 |
40,536,771 | https://en.wikipedia.org/wiki/Muon%20tomography | Muon tomography or muography is a technique that uses cosmic ray muons to generate two or three-dimensional images of volumes using information contained in the Coulomb scattering of the muons. Since muons are much more deeply penetrating than X-rays, muon tomography can be used to image through much thicker material t... | Muon tomography | Technology,Engineering | 6,455 |
15,703,283 | https://en.wikipedia.org/wiki/DAVID | DAVID (the database for annotation, visualization and integrated discovery) is a free online bioinformatics resource developed by the Laboratory of Human Retrovirology and Immunoinformatics (LHRI). All tools in the DAVID Bioinformatics Resources aim to provide functional interpretation of large lists of genes derived f... | DAVID | Chemistry,Biology | 525 |
70,961,697 | https://en.wikipedia.org/wiki/Power-voltage%20curve | Power-voltage curve (also P-V curve) describes the relationship between the active power delivered to the electrical load and the voltage at the load terminals in an electric power system under a constant power factor. When plotted with power as a horizontal axis, the curve resembles a human nose, thus it is sometimes ... | Power-voltage curve | Engineering | 445 |
55,164,247 | https://en.wikipedia.org/wiki/NGC%204620 | NGC 4620 is a lenticular galaxy located about 65 million light-years away in the constellation of Virgo. It was discovered by astronomer John Herschel on March 29, 1830. NGC 4620 is a member of the Virgo Cluster.
See also
List of NGC objects (4001–5000)
NGC 4733
References
External links
Lenticular galaxies
Vi... | NGC 4620 | Astronomy | 92 |
7,799,518 | https://en.wikipedia.org/wiki/Nu%20Hydrae | Nu Hydrae, Latinized from ν Hydrae, is an orange-hued star in the constellation Hydra, near the border with the neighboring constellation of Crater. It has an apparent visual magnitude of 3.115, which is bright enough to be seen with the naked eye. Based upon parallax measurements, this star is located at a distance of... | Nu Hydrae | Astronomy | 311 |
60,430,591 | https://en.wikipedia.org/wiki/Aline%20Miller | Aline Fiona Miller (born 1975) is a Professor of Biomolecular Engineering at the University of Manchester. She specialises in the characterisation of polymer, biopolymer and peptides, using neutron and x-ray scattering, as well as the development of functionalised nanostructures for regenerative medicine and toxicology... | Aline Miller | Chemistry,Materials_science | 938 |
41,482,032 | https://en.wikipedia.org/wiki/Wind-wave%20dissipation | Wind-wave dissipation or "swell dissipation" is process in which a wave generated via a weather system loses its mechanical energy transferred from the atmosphere via wind. Wind waves, as their name suggests, are generated by wind transferring energy from the atmosphere to the ocean's surface, capillary gravity waves p... | Wind-wave dissipation | Physics,Chemistry | 1,149 |
11,590,152 | https://en.wikipedia.org/wiki/Amazon%20Elastic%20Compute%20Cloud | Amazon Elastic Compute Cloud (EC2) is a part of Amazon's cloud-computing platform, Amazon Web Services (AWS), that allows users to rent virtual computers on which to run their own computer applications. EC2 encourages scalable deployment of applications by providing a web service through which a user can boot an Amazon... | Amazon Elastic Compute Cloud | Technology | 4,107 |
11,903,542 | https://en.wikipedia.org/wiki/L%C3%A1szl%C3%B3%20R%C3%A9dei | László Rédei (15 November 1900 – 21 November 1980) was a Hungarian mathematician.
Rédei graduated from the University of Budapest and initially worked as a schoolteacher. In 1940 he was appointed professor in the University of Szeged and in 1967 moved to the Mathematical Institute of the Hungarian Academy of Sciences ... | László Rédei | Mathematics | 709 |
37,329,194 | https://en.wikipedia.org/wiki/Stenella%20anthuriicola | Stenella anthuriicola is a species of anamorph fungus in the family Mycosphaerellaceae. It grows on the leaves of Anthurium plants in Thailand.
References
External links
anthuriicola
Fungi described in 2006
Fungi of Asia
Fungal plant pathogens and diseases
Ornamental plant pathogens and diseases
Fungus species | Stenella anthuriicola | Biology | 69 |
15,022,475 | https://en.wikipedia.org/wiki/Brick%20Renaissance | Brick Renaissance is the Northern European continuation of brick architecture after Brick Romanesque and Brick Gothic. Although the term Brick Gothic is often used generally for all of this architecture, especially in regard to the Hanseatic cities of the Baltic, the stylistic changes that led to the end of Gothic arch... | Brick Renaissance | Engineering | 246 |
1,580,554 | https://en.wikipedia.org/wiki/Tiltmeter | A tiltmeter is a sensitive inclinometer designed to measure very small changes from the vertical level, either on the ground or in structures. Tiltmeters are used extensively for monitoring volcanoes, the response of dams to filling, the small movements of potential landslides, the orientation and volume of hydraulic f... | Tiltmeter | Technology,Engineering | 785 |
38,482,305 | https://en.wikipedia.org/wiki/KarTrak | KarTrak, sometimes KarTrak ACI (Automatic Car Identification) or just ACI was a colored barcode system designed to automatically identify railcars and other rolling stock. KarTrak was made a requirement in North America in 1967, but technical problems led to the abandonment of the system by around 1977.
History
Issue... | KarTrak | Technology | 3,125 |
319,122 | https://en.wikipedia.org/wiki/Pinwheel%20Galaxy | The Pinwheel Galaxy (also known as Messier 101, M101 or NGC 5457) is a face-on, unbarred, and counterclockwise spiral galaxy located from Earth in the constellation Ursa Major. It was discovered by Pierre Méchain in 1781 and was communicated that year to Charles Messier, who verified its position for inclusion in the ... | Pinwheel Galaxy | Astronomy | 1,172 |
31,727,214 | https://en.wikipedia.org/wiki/Radical%20disproportionation | Radical disproportionation encompasses a group of reactions in organic chemistry in which two radicals react to form two different non-radical products. Radicals in chemistry are defined as reactive atoms or molecules that contain an unpaired electron or electrons in an open shell. The unpaired electrons can cause radi... | Radical disproportionation | Chemistry | 1,341 |
1,143,774 | https://en.wikipedia.org/wiki/California%20Institute%20for%20Regenerative%20Medicine | The California Institute for Regenerative Medicine (CIRM) is a state agency that supports research and education in the fields of stem cell and gene therapies. It was created in 2004 after 59% of California voters approved California Proposition 71: the Research and Cures Initiative, which allocated $3 billion to fund ... | California Institute for Regenerative Medicine | Chemistry,Biology | 1,699 |
6,003,864 | https://en.wikipedia.org/wiki/Markarian%20421 | Markarian 421 (Mrk 421, Mkn 421) is a blazar located in the constellation Ursa Major. The object is an active galaxy and a BL Lacertae object, and is a strong source of gamma rays. It is about 397 million light-years (redshift: z=0.0308 eq. 122Mpc) to 434 million light-years (133Mpc) from the Earth. It is one of the cl... | Markarian 421 | Astronomy | 329 |
25,850,552 | https://en.wikipedia.org/wiki/ISS%20ECLSS | The International Space Station (ISS) Environmental Control and Life Support System (ECLSS) is a life support system that provides or controls atmospheric pressure, fire detection and suppression, oxygen levels, proper ventilation, waste management and water supply. It was jointly designed and tested by NASA's Marshall... | ISS ECLSS | Biology | 2,369 |
37,918,612 | https://en.wikipedia.org/wiki/Extractive%20electrospray%20ionization | Extractive electrospray ionization (EESI) is a spray-type, ambient ionization source in mass spectrometry that uses two colliding aerosols, one of which is generated by electrospray. In standard EESI, syringe pumps provide the liquids for both an electrospray and a sample spray. In neutral desorption EESI (ND-EESI), th... | Extractive electrospray ionization | Physics,Chemistry | 600 |
10,100,068 | https://en.wikipedia.org/wiki/Moribito%3A%20Guardian%20of%20the%20Spirit | is a Japanese novel that was first published in July 1996. It is the first in the 12-volume series of Japanese fantasy novels by Nahoko Uehashi. It was the recipient of the Batchelder Award An ALA Notable Children's Book in 2009. It has since been adapted into numerous media, including radio, manga, anime, and taiga d... | Moribito: Guardian of the Spirit | Biology | 1,089 |
27,146,862 | https://en.wikipedia.org/wiki/Oliva%20tisiphona | Oliva tisiphona is a species of sea snail, a marine gastropod mollusk in the family Olividae, the olives.
This is a nomen dubium.
Distribution
This marine species occurs off Martinique.
References
Paulmier G. , 2014. - La famille des Olividae Latreille, 1825 (Neogastropoda). Le genre Oliva Bruguière, 1789, aux Ant... | Oliva tisiphona | Biology | 188 |
153,522 | https://en.wikipedia.org/wiki/Plastid | A plastid is a membrane-bound organelle found in the cells of plants, algae, and some other eukaryotic organisms. Plastids are considered to be intracellular endosymbiotic cyanobacteria.
Examples of plastids include chloroplasts (used for photosynthesis); chromoplasts (used for synthesis and storage of pigments); leuc... | Plastid | Chemistry,Biology | 3,503 |
658,839 | https://en.wikipedia.org/wiki/Mines%20Paris%20%E2%80%93%20PSL | Mines Paris – PSL, officially École nationale supérieure des mines de Paris (; until May 2022 Mines ParisTech), and also known as École des mines de Paris, ENSMP, Mines de Paris, les Mines, or Paris School of Mines, is a French grande école and a constituent college of PSL Research University. It was originally establi... | Mines Paris – PSL | Engineering | 2,659 |
5,842,560 | https://en.wikipedia.org/wiki/Conical%20function | In mathematics, conical functions or Mehler functions are functions which can be expressed in terms of Legendre functions of the first and second kind,
and
The functions were introduced by Gustav Ferdinand Mehler, in 1868, when expanding in series the distance of a point on the axis of a cone to a point located on ... | Conical function | Mathematics | 486 |
52,846,723 | https://en.wikipedia.org/wiki/Evolution%20of%20molecular%20chaperones | Chaperones, also called molecular chaperones, are proteins that assist other proteins in assuming their three-dimensional fold, which is necessary for protein function. However, the fold of a protein is sensitive to environmental conditions, such as temperature and pH, and thus chaperones are needed to keep proteins in... | Evolution of molecular chaperones | Chemistry,Biology | 1,485 |
56,935,931 | https://en.wikipedia.org/wiki/Trendione | Trendione (developmental code name RU-2065; nickname Trenavar), also known as estra-4,9,11-triene-3,17-dione, is an androgen prohormone as well as metabolite of the anabolic steroid trenbolone. Trendione is to trenbolone as androstenedione is to testosterone. The compound is inactive itself, showing more than 100-fold ... | Trendione | Chemistry | 200 |
9,091,963 | https://en.wikipedia.org/wiki/Units%20of%20textile%20measurement | Textile fibers, threads, yarns and fabrics are measured in a multiplicity of units.
A fiber, a single filament of natural material, such as cotton, linen or wool, or artificial material such as nylon, polyester, metal or mineral fiber, or human-made cellulosic fibre like viscose, Modal, Lyocell or other rayon fiber i... | Units of textile measurement | Mathematics | 3,895 |
38,605,597 | https://en.wikipedia.org/wiki/Coronal%20rain | Coronal rain is a phenomenon that occurs in the Sun's corona when hot plasma cools and condenses in strong magnetic fields and falls to the photosphere. It is usually associated with active regions. Coronal rain formed when impulsive heating from magnetic reconnection occurs.
The material that makes up the coronal rai... | Coronal rain | Physics | 109 |
367,986 | https://en.wikipedia.org/wiki/Soo%20Locks | The Soo Locks (sometimes spelled Sault Locks but pronounced "soo") are a set of parallel locks, operated and maintained by the United States Army Corps of Engineers, Detroit District, that enable ships to travel between Lake Superior and the lower Great Lakes. They are located on the St. Marys River between Lake Superi... | Soo Locks | Engineering | 1,568 |
34,119,939 | https://en.wikipedia.org/wiki/SCH%20900271 | SCH 900271 is a nicotinic acid derivative designed to treat dyslipidemia. It reduced plasma free fatty acids levels, but without significant flushing, a side effect common with niacin that limits its usefulness. SCH 900271 is currently in human trials.
References
Hypolipidemic agents
Cyclopropanes
Pyrimidinediones | SCH 900271 | Chemistry | 81 |
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