id int64 580 79M | url stringlengths 31 175 | text stringlengths 9 245k | source stringlengths 1 109 | categories stringclasses 160
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19,926,539 | https://en.wikipedia.org/wiki/Fentonium%20bromide | Fentonium bromide (INN) is an anticholinergic and antispasmodic atropine derivative. In the US its patent number is 3,356,682. It is sold by Sanofi-Aventis and Zambon.
References
Tropanes
Quaternary ammonium compounds
Bromides
Aromatic ketones
Primary alcohols
Carboxylate esters
Biphenyls
Muscarinic antagonists | Fentonium bromide | Chemistry | 92 |
46,722,478 | https://en.wikipedia.org/wiki/Potash%20works | A potash works (, Aschenhütte or Potaschhütte) was a subsidiary operation of a glassworks in the Early Modern Period. The latter needed potash, as well as quartz and lime as raw materials for the manufacture of glass. Potash acted as a flux in the production process, that is by mixing it with quartz sand it significant... | Potash works | Chemistry,Materials_science,Engineering | 410 |
24,549,091 | https://en.wikipedia.org/wiki/List%20of%20boiler%20types%20by%20manufacturer | There have been a vast number of designs of steam boiler, particularly towards the end of the 19th century when the technology was evolving rapidly. A great many of these took the names of their originators or primary manufacturers, rather than a more descriptive name. Some large manufacturers also made boilers of seve... | List of boiler types by manufacturer | Physics,Chemistry | 137 |
1,769,000 | https://en.wikipedia.org/wiki/Electronegativities%20of%20the%20elements%20%28data%20page%29 |
Electronegativity (Pauling scale)
Notes
Separate values for each source are only given where one or more sources differ.
Electronegativity is not a uniquely defined property and may depend on the definition. The suggested values are all taken from WebElements as a consistent set.
Many of the highly radioactive e... | Electronegativities of the elements (data page) | Chemistry | 603 |
8,599,932 | https://en.wikipedia.org/wiki/Video%20wall | A video wall is a special multi-monitor setup that consists of multiple computer monitors, video projectors, or television sets tiled together contiguously or overlapped in order to form one large screen. Typical display technologies include LCD panels, Direct View LED arrays, blended projection screens, Laser Phospho... | Video wall | Technology,Engineering | 2,333 |
67,672,083 | https://en.wikipedia.org/wiki/Benzyl%20gentiobioside | Benzyl gentiobioside is a decyanogenated form of amygdalin. Benzyl gentiobioside occurs in Prunus persica seeds.
References
Benzyl compounds
Glucosides
Disaccharides | Benzyl gentiobioside | Chemistry | 52 |
77,286,424 | https://en.wikipedia.org/wiki/Andronov%20Prize | The Andronov Prize is a Soviet and Russian mathematics prize, awarded for outstanding works in the classical mechanics and control theory. It is named after the Soviet physicist and member of the Soviet Academy of Sciences
Alexander Alexandrovich Andronov.
Between 1971 and 1990 the prize was awarded by the USSR Academ... | Andronov Prize | Mathematics,Technology | 273 |
42,736,145 | https://en.wikipedia.org/wiki/Analytical%20light%20scattering | Analytical light scattering (ALS), also loosely referred to as SEC-MALS, is the implementation of static light scattering (SLS) and dynamic light scattering (DLS) techniques in an online or flow mode. A typical ALS instrument consists of an HPLC/FPLC chromatography system coupled in-line with appropriate light scatteri... | Analytical light scattering | Physics,Chemistry | 170 |
59,027,149 | https://en.wikipedia.org/wiki/Shortcuts%20to%20adiabaticity | Shortcuts to adiabaticity (STA) are fast control protocols to drive the dynamics of system without relying on the adiabatic theorem. The concept of STA was introduced in a 2010 paper by Xi Chen et al.
Their design can be achieved using a variety of techniques.
A universal approach is provided by counterdiabatic driving... | Shortcuts to adiabaticity | Physics | 377 |
6,511,197 | https://en.wikipedia.org/wiki/Trevor%20Kletz | Trevor Asher Kletz (23 October 1922–31 October 2013) was a British author on the topic of chemical engineering safety. He was a central figure in establishing the discipline of process safety. He is credited with introducing the concept of inherent safety and was a major promoter of Hazop. He is listed in The Palgrave ... | Trevor Kletz | Chemistry,Engineering | 1,027 |
24,553 | https://en.wikipedia.org/wiki/Protein%20biosynthesis | Protein biosynthesis (or protein synthesis) is a core biological process, occurring inside cells, balancing the loss of cellular proteins (via degradation or export) through the production of new proteins. Proteins perform a number of critical functions as enzymes, structural proteins or hormones. Protein synthesis is ... | Protein biosynthesis | Chemistry,Biology | 5,089 |
22,529,037 | https://en.wikipedia.org/wiki/Enclosed%20C | Enclosed C or circled Latin C (Ⓒ or ⓒ) is a typographical symbol. As one of many enclosed alphanumerics, the symbol is a "C" within a circle.
Encodings
The symbols are encoded by Unicode in the block Latin-1 supplement as and .
Uses
Some Chiyoda Kogaku (aka Chiyoko) cameras of the 1947 to 1949 era featured a blue ⓒ ... | Enclosed C | Mathematics | 215 |
66,888,952 | https://en.wikipedia.org/wiki/Chemical%20sensor%20array | A chemical sensor array is a sensor architecture with multiple sensor components that create a pattern for analyte detection from the additive responses of individual sensor components. There exist several types of chemical sensor arrays including electronic, optical, acoustic wave, and potentiometric devices. These ch... | Chemical sensor array | Physics,Materials_science,Technology,Engineering | 4,312 |
16,474 | https://en.wikipedia.org/wiki/Joint%20Interoperability%20of%20Tactical%20Command%20and%20Control%20Systems | Joint Interoperability of Tactical Command and Control Systems or JINTACCS is a program of the United States Department of Defense for the development and maintenance of tactical information exchange configuration items (CIs) and operational procedures. It was originated in 1977 to ensure that the command and control (... | Joint Interoperability of Tactical Command and Control Systems | Engineering | 209 |
11,127,840 | https://en.wikipedia.org/wiki/Clonostachys%20rosea%20f.%20rosea | Clonostachys rosea f. rosea, also known as Gliocladium roseum, is a species of fungus in the family Bionectriaceae. It colonizes living plants as an endophyte, digests material in soil as a saprophyte and is also known as a parasite of other fungi and of nematodes. It produces a wide range of volatile organic compounds... | Clonostachys rosea f. rosea | Chemistry,Engineering | 321 |
59,551,559 | https://en.wikipedia.org/wiki/Evdokimov%27s%20algorithm | In computational number theory, Evdokimov's algorithm, named after Sergei Evdokimov, is an algorithm for factorization of polynomials over finite fields. It was the fastest algorithm known for this problem, from its publication in 1994 until 2020. It can factorize a one-variable polynomial of degree over an explicitl... | Evdokimov's algorithm | Mathematics | 398 |
64,357,281 | https://en.wikipedia.org/wiki/Translate%20%28Apple%29 | Translate is a translation app developed by Apple for their iOS and iPadOS devices. Introduced on June 22, 2020, it functions as a service for translating text sentences or speech between several languages and was officially released on September 16, 2020, along with iOS 14. All translations are processed through the n... | Translate (Apple) | Technology | 792 |
50,708,946 | https://en.wikipedia.org/wiki/Genome%20Project%E2%80%93Write | The Genome Project–Write (also known as GP-Write) is a large-scale collaborative research project (an extension of Genome Projects, aimed at reading genomes since 1984) that focuses on the development of technologies for the synthesis and testing of genomes of many different species of microbes, plants, and animals, in... | Genome Project–Write | Engineering,Biology | 536 |
78,657,802 | https://en.wikipedia.org/wiki/PKS%200528%2B134 | PKS 0528+134 is a distant blazar located in the Galactic anticenter towards the constellation of Orion. This is a compact radio quasar, classified as radio-loud with a redshift of (z) 2.07 yet having low polarization. It was first discovered in 1977 by astronomers as a radio source and contains a radio spectrum that ap... | PKS 0528+134 | Astronomy | 631 |
10,088,265 | https://en.wikipedia.org/wiki/Papkovich%E2%80%93Neuber%20solution | The Papkovich–Neuber solution is a technique for generating analytic solutions to the Newtonian incompressible Stokes equations, though it was originally developed to solve the equations of linear elasticity.
It can be shown that any Stokes flow with body force can be written in the form:
where is a harmonic vector... | Papkovich–Neuber solution | Chemistry,Engineering | 112 |
7,204,666 | https://en.wikipedia.org/wiki/Norm%20form | In mathematics, a norm form is a homogeneous form in n variables constructed from the field norm of a field extension L/K of degree n. That is, writing N for the norm mapping to K, and selecting a basis e1, ..., en for L as a vector space over K, the form is given by
N(x1e1 + ... + xnen)
in variables x1, ..., xn.
In... | Norm form | Mathematics | 177 |
22,063 | https://en.wikipedia.org/wiki/Natural%20law | Natural law (, lex naturalis) is a system of law based on a close observation of natural order and human nature, from which values, thought by natural law's proponents to be intrinsic to human nature, can be deduced and applied independently of positive law (the express enacted laws of a state or society). According to... | Natural law | Biology | 13,991 |
40,632,497 | https://en.wikipedia.org/wiki/Ungiminorine | Ungiminorine is an acetylcholinesterase inhibitor isolated from Narcissus.
References
Acetylcholinesterase inhibitors
Benzodioxoles
Nitrogen heterocycles
Oxygen heterocycles
Heterocyclic compounds with 5 rings
Diols
Ethers
Methoxy compounds | Ungiminorine | Chemistry | 63 |
55,241,687 | https://en.wikipedia.org/wiki/P-Menthane | p-Menthane is a hydrocarbon with the formula (CH3)2CHC6H10CH3. It is the product of the hydrogenation or hydrogenolysis of various terpenoids, including p-cymene, terpinolenes, phellandrene, and limonene. It is a colorless liquid with a fragrant fennel-like odor. It occurs naturally, especially in exudates of Eucaly... | P-Menthane | Chemistry | 157 |
47,008,203 | https://en.wikipedia.org/wiki/Complex%20oxide | A complex oxide is a chemical compound that contains oxygen and at least two other elements (or oxygen and just one other element that's in at least two oxidation states). Complex oxide materials are notable for their wide range of magnetic and electronic properties, such as ferromagnetism, ferroelectricity, and high-t... | Complex oxide | Physics,Chemistry,Materials_science,Engineering | 689 |
63,177,604 | https://en.wikipedia.org/wiki/David%20Tannor | David Joshua Tannor (; born 1958) is a theoretical chemist, who is the Hermann Mayer Professorial Chair in the department of chemical physics at the Weizmann Institute of Science.
Biography
Tannor has a BA from Columbia University (1978), and a PhD with Eric Heller from UCLA (1983). He did his post-doc work with Stuar... | David Tannor | Physics,Chemistry | 382 |
33,812,949 | https://en.wikipedia.org/wiki/Alexandre%20Borovik | Alexandre V. Borovik (born 1956) is a Professor of Pure Mathematics at the University of Manchester, United Kingdom. He was born in Russia and graduated from Novosibirsk State University in 1978. His principal research lies in algebra, model theory, and combinatorics—topics on which he published several monographs and... | Alexandre Borovik | Mathematics | 234 |
64,179,842 | https://en.wikipedia.org/wiki/Metallization%20pressure | Metallization pressure is the pressure required for a non-metallic chemical element to become a metal. Every material is predicted to turn into a metal if the pressure is high enough, and temperature low enough. Some of these pressures are beyond the reach of diamond anvil cells, and are thus theoretical predictions. N... | Metallization pressure | Physics,Chemistry | 152 |
13,893,404 | https://en.wikipedia.org/wiki/Well%20stimulation | Well stimulation is a broad term used to describe the various techniques and well interventions that can be used to restore or enhance the production of hydrocarbons from an oil well.
Hydraulic fracturing (fracking) and acidizing are two of the most common methods for well stimulation. These well stimulation techniqu... | Well stimulation | Chemistry | 1,207 |
5,733,800 | https://en.wikipedia.org/wiki/Cheat%20sheet | A cheat sheet (also cheatsheet) or crib sheet is a concise set of notes used for quick reference. Cheat sheets were historically used by students without an instructor or teacher's knowledge to cheat on a test or exam. In the context of higher education or vocational training, where rote memorization is not as importan... | Cheat sheet | Technology,Engineering | 285 |
52,736,192 | https://en.wikipedia.org/wiki/NDMC%20Supercomputer | NDMC Supercomputer (Russian: НЦУО Суперкомпьютер) is a military supercomputer with a speed of 16 petaflops. It is located in Moscow, Russia. The storage capacity is 236 petabytes. The supercomputer is designed to predict the development of armed conflicts and is able to analyze the situation and draw conclusions based ... | NDMC Supercomputer | Technology | 146 |
50,703,391 | https://en.wikipedia.org/wiki/Periodatonickelates | The periodatonickelates are a series of anions and salts of nickel complexed to the periodate anion. The most important of these salts are the diperiodatonickelates, in which nickel exhibits the +4 oxidation state: these are powerful oxidising agents, capable of oxidising bromate to perbromate.
The first periodat... | Periodatonickelates | Chemistry | 622 |
61,162 | https://en.wikipedia.org/wiki/Taurine | Taurine (), or 2-aminoethanesulfonic acid, is a non-proteinogenic naturally occurring amino sulfonic acid that is widely distributed in animal tissues. It is a major constituent of bile and can be found in the large intestine, and accounts for up to 0.1% of total human body weight.
Taurine is named after Latin (cogna... | Taurine | Chemistry | 2,119 |
382,167 | https://en.wikipedia.org/wiki/Types%20of%20radio%20emissions | The International Telecommunication Union uses an internationally agreed system for classifying radio frequency signals. Each type of radio emission is classified according to its bandwidth, method of modulation, nature of the modulating signal, and type of information transmitted on the carrier signal. It is based on... | Types of radio emissions | Engineering | 1,305 |
36,662,186 | https://en.wikipedia.org/wiki/May%20Queen%20%28TV%20series%29 | May Queen () is a 2012 South Korean melodrama series about three people who experience ambition, revenge, betrayal and love, against the backdrop of the shipbuilding industry in Ulsan during Korea's modernization. It stars Han Ji-hye, Kim Jaewon and Jae Hee.
Synopsis
The heroine Chun Hae-joo (Han Ji-hye) begins life i... | May Queen (TV series) | Chemistry | 2,266 |
50,564 | https://en.wikipedia.org/wiki/Gray%20code | The reflected binary code (RBC), also known as reflected binary (RB) or Gray code after Frank Gray, is an ordering of the binary numeral system such that two successive values differ in only one bit (binary digit).
For example, the representation of the decimal value "1" in binary would normally be "" and "2" would be... | Gray code | Mathematics | 12,155 |
54,066,145 | https://en.wikipedia.org/wiki/Propynyllithium | Propynyllithium is an organolithium compound with the chemical formula . It is a white solid that is soluble in 1,2-dimethoxyethane, and tetrahydrofuran. To preclude its degradation by oxygen and water, propynyllithium and its solutions are handled under inert gas (argon or nitrogen). Although commonly depicted as a... | Propynyllithium | Chemistry | 345 |
917,633 | https://en.wikipedia.org/wiki/Sahlqvist%20formula | In modal logic, Sahlqvist formulas are a certain kind of modal formula with remarkable properties. The Sahlqvist correspondence theorem states that every Sahlqvist formula is canonical, and corresponds to a class of Kripke frames definable by a first-order formula.
Sahlqvist's definition characterizes a decidable set... | Sahlqvist formula | Mathematics | 850 |
25,888,262 | https://en.wikipedia.org/wiki/AfE-Turm | AfE-Turm ('AfE Tower') was a 38-storey (30 floors on its south side and 22 floors on its north side), skyscraper in the Westend district of Frankfurt, Germany. It was the tallest building in Frankfurt from 1972-1974.
The building was part of the Bockenheim campus of the Johann Wolfgang Goethe University and until 201... | AfE-Turm | Engineering | 892 |
8,516,458 | https://en.wikipedia.org/wiki/Epsilon%20Columbae | Epsilon Columbae, Latinized from ε Columbae, is a star in the southern constellation of Columba. It is visible to the naked eye, having an apparent visual magnitude of 3.87. Based upon an annual parallax shift of , it is located approximately 262 light years distant from the Sun. The star is drifting closer with a radi... | Epsilon Columbae | Astronomy | 254 |
15,276,649 | https://en.wikipedia.org/wiki/Excitation%20%28magnetic%29 | In electromagnetism, excitation is the process of generating a magnetic field by means of an electric current.
An electric generator or electric motor consists of a rotor spinning in a magnetic field. The magnetic field may be produced by permanent magnets or by field coils. In the case of a machine with field coils... | Excitation (magnetic) | Physics,Technology | 1,147 |
61,098,760 | https://en.wikipedia.org/wiki/100%20Beste%20Plakate | The association 100 Beste Plakate () e.V. is an interest group for graphics, design and the graphic arts in Germany, Austria and Switzerland. The association was founded with the aim of promoting, awarding and strengthening the public awareness of the high design quality of the poster medium.
History
The 100 Beste Pl... | 100 Beste Plakate | Engineering | 669 |
8,157,239 | https://en.wikipedia.org/wiki/Bletting | Bletting is a process of softening that certain fleshy fruits undergo, beyond ripening.
There are some fruits that are either sweeter after some bletting, such as sea buckthorn, or for which most varieties can be eaten raw only after bletting, such as medlars, persimmons, quince, service tree fruit, and wild service ... | Bletting | Biology | 758 |
51,775,967 | https://en.wikipedia.org/wiki/Real-time%20path%20planning | Real-Time Path Planning is a term used in robotics that consists of motion planning methods that can adapt to real time changes in the environment. This includes everything from primitive algorithms that stop a robot when it approaches an obstacle to more complex algorithms that continuously takes in information from t... | Real-time path planning | Technology,Engineering | 1,477 |
17,314,993 | https://en.wikipedia.org/wiki/Hosford%20yield%20criterion | The Hosford yield criterion is a function that is used to determine whether a material has undergone plastic yielding under the action of stress.
Hosford yield criterion for isotropic plasticity
The Hosford yield criterion for isotropic materials is a generalization of the von Mises yield criterion. It has the form... | Hosford yield criterion | Physics,Materials_science,Engineering | 522 |
1,322,930 | https://en.wikipedia.org/wiki/Robert%20Huber | Robert Huber (; born 20 February 1937) is a German biochemist and Nobel laureate. known for his work crystallizing an intramembrane protein important in photosynthesis and subsequently applying X-ray crystallography to elucidate the protein's structure.
Education and early life
He was born on 20 February 1937 in Muni... | Robert Huber | Chemistry | 563 |
644,527 | https://en.wikipedia.org/wiki/Tachyon%20condensation | Tachyon condensation is a process in particle physics in which a system can lower its potential energy by spontaneously producing particles. The end result is a "condensate" of particles that fills the volume of the system. Tachyon condensation is closely related to second-order phase transitions.
Technical overview
T... | Tachyon condensation | Physics,Astronomy | 748 |
54,975,484 | https://en.wikipedia.org/wiki/Vicente%20Sota | Vicente Agustín Sota Barros (24 April 1924 – 16 August 2017) was a Chilean politician. He served two stints in the Chamber of Deputies, first from 1965 to 1969 and again from 1990 to 1998.
Career
Born in Talca on 28 April 1924, he earned a degree in industrial engineering from Pontifical Catholic University of Chile... | Vicente Sota | Engineering | 347 |
26,177,547 | https://en.wikipedia.org/wiki/Ingenu | Ingenu, formerly known as On-Ramp Wireless, is a provider of wireless networks. The company focuses on machine to machine (M2M) communication by enabling devices to become Internet of Things (IoT) devices.
History
Ingenu was founded in 2008 as On-Ramp Wireless; by the end of 2014, it was valued at $72 million, accor... | Ingenu | Technology,Engineering | 480 |
2,093,226 | https://en.wikipedia.org/wiki/Civil%20defense%20Geiger%20counters | Geiger counter is a colloquial name for any hand-held radiation measuring device in civil defense, but most civil defense devices were ion-chamber radiological survey meters capable of measuring only high levels of radiation that would be present after a major nuclear event.
Most Geiger and ion-chamber survey meters w... | Civil defense Geiger counters | Physics,Chemistry,Technology,Engineering | 2,943 |
71,373,183 | https://en.wikipedia.org/wiki/Waitea%20zeae | Waitea zeae is a species of fungus in the family Corticiaceae. Basidiocarps (fruit bodies) are corticioid, thin, effused, and web-like, but the fungus is more frequently encountered in its similar but sterile anamorphic state. Waitea zeae is best known as a plant pathogen, causing commercially significant damage to cer... | Waitea zeae | Biology | 225 |
83,101 | https://en.wikipedia.org/wiki/Metamorphoses | The Metamorphoses (, from : "Transformations") is a Latin narrative poem from 8 CE by the Roman poet Ovid. It is considered his magnum opus. The poem chronicles the history of the world from its creation to the deification of Julius Caesar in a mythico-historical framework comprising over 250 myths, 15 books, and 11,99... | Metamorphoses | Astronomy | 5,782 |
454,760 | https://en.wikipedia.org/wiki/BGI%20Group | BGI Group, formerly Beijing Genomics Institute, is a Chinese genomics company with headquarters in Yantian, Shenzhen. The company was originally formed in 1999 as a genetics research center to participate in the Human Genome Project. It also sequences the genomes of other animals, plants and microorganisms.
BGI has tr... | BGI Group | Chemistry,Biology | 3,315 |
47,759,150 | https://en.wikipedia.org/wiki/Leonardo%27s%20world%20map | Leonardo's world map is the name assigned to a unique world map drawn using the "octant projection" and found loosely inserted among a Codex of Leonardo da Vinci preserved in Windsor. It features an early use of the toponym America and incorporates information from the travels of Amerigo Vespucci, published in 1503 and... | Leonardo's world map | Mathematics | 1,206 |
28,112,002 | https://en.wikipedia.org/wiki/National%20Space%20Club | The National Space Club is a non-profit corporation in the US which contains representatives of industry, government, educational institutions and private individuals in order to enhance the exchange of information on astronautics, and to relay this information to the public. It provides scholarships and internships to... | National Space Club | Astronomy,Technology | 414 |
53,283,857 | https://en.wikipedia.org/wiki/Alpha%20Profiling | Alpha profiling is an application of machine learning to optimize the execution of large orders in financial markets by means of algorithmic trading. The purpose is to select an execution schedule that minimizes the expected implementation shortfall, or more generally, ensures compliance with a best execution mandate.... | Alpha Profiling | Mathematics | 1,078 |
17,033,211 | https://en.wikipedia.org/wiki/Quantitative%20models%20of%20the%20action%20potential | In neurophysiology, several mathematical models of the action potential have been developed, which fall into two basic types. The first type seeks to model the experimental data quantitatively, i.e., to reproduce the measurements of current and voltage exactly. The renowned Hodgkin–Huxley model of the axon from the Lol... | Quantitative models of the action potential | Physics,Mathematics | 2,173 |
25,393,281 | https://en.wikipedia.org/wiki/Bonding%20in%20solids | Solids can be classified according to the nature of the bonding between their atomic or molecular components. The traditional classification distinguishes four kinds of bonding:
Covalent bonding, which forms network covalent solids (sometimes called simply "covalent solids")
Ionic bonding, which forms ionic solids
... | Bonding in solids | Physics,Chemistry,Materials_science,Engineering | 1,596 |
38,424,114 | https://en.wikipedia.org/wiki/G%C3%B6khan%20Budak | Gökhan Budak (1968 – 26 January 2013) was a Turkish professor of quantum physics. He was the Rector of Bayburt University from 7 September 2012 to his death.
Biography
Gökhan Budak was born in Olur, Erzurum. He graduated first in his year with a B.S. degree from Ankara University Faculty of Language, History and Geog... | Gökhan Budak | Physics | 217 |
32,077,453 | https://en.wikipedia.org/wiki/Mycena%20semivestipes | Mycena semivestipes is a species of agaric fungus in the family Mycenaceae. It is found in eastern North America.
Taxonomy
First described in 1895 as Omphalina semivestipes by Charles Horton Peck, the species was transferred to Mycena in 1947 by Alexander H. Smith. The type collection was made in Newfoundland, Canada... | Mycena semivestipes | Biology | 484 |
3,854,777 | https://en.wikipedia.org/wiki/49P/Arend%E2%80%93Rigaux | 49P/Arend–Rigaux is a periodic comet in the Solar System.
The comet nucleus is estimated to be 8.48 kilometers in diameter with a low albedo of 0.028.
On 20 December 2058 the comet will pass from Mars.
References
External links
49P/Arend-Rigaux – Seiichi Yoshida @ aerith.net
Elements and Ephemeris for 49P/Arend... | 49P/Arend–Rigaux | Astronomy | 120 |
62,769,306 | https://en.wikipedia.org/wiki/Molecular%20fragmentation%20methods | Molecular fragmentation (mass spectrometry), or molecular dissociation, occurs both in nature and in experiments. It occurs when a complete molecule is rendered into smaller fragments by some energy source, usually ionizing radiation. The resulting fragments can be far more chemically reactive than the original molecul... | Molecular fragmentation methods | Physics,Chemistry,Biology | 506 |
2,188,998 | https://en.wikipedia.org/wiki/Phycomyces%20blakesleeanus | Phycomyces blakesleeanus is a filamentous fungus in the Order Mucorales of the phylum Zygomycota or subphylum Mucoromycotina. The spore-bearing sporangiophores of Phycomyces are very sensitive to different environmental signals including light, gravity, wind, chemicals, and adjacent objects. They exhibit phototropic ... | Phycomyces blakesleeanus | Biology | 571 |
4,567,536 | https://en.wikipedia.org/wiki/509th%20Composite%20Group | The 509th Composite Group (509 CG) was a unit of the United States Army Air Forces created during World War II and tasked with the operational deployment of nuclear weapons. It conducted the atomic bombings of Hiroshima and Nagasaki, Japan, in August 1945.
The group was activated on 17 December 1944 at Wendover Army A... | 509th Composite Group | Chemistry | 5,925 |
44,044,538 | https://en.wikipedia.org/wiki/Siegfried%20Wolff | Siegfried Wolff is a now-retired Degussa chemist noted for first recognizing the potential of using silica in tire treads to reduce rolling resistance.
Education
Siegfried Wolff was born in Germany.
Career
Wolff started his career at Degussa in 1953 as a student apprentice, later moving into research and developmen... | Siegfried Wolff | Chemistry,Materials_science | 237 |
71,456,403 | https://en.wikipedia.org/wiki/Protactinium%28V%29%20bromide | Protactinium(V) bromide is an inorganic compound. It is a halide of protactinium, consisting of protactinium and bromine. It is radioactive and has a chemical formula of PaBr5, which is a red crystal of the monoclinic crystal system.
Preparation
Protactinium(V) bromide can be obtained by reacting protactinium(V) chlo... | Protactinium(V) bromide | Chemistry | 435 |
591,568 | https://en.wikipedia.org/wiki/Trigonometric%20polynomial | In the mathematical subfields of numerical analysis and mathematical analysis, a trigonometric polynomial is a finite linear combination of functions sin(nx) and cos(nx) with n taking on the values of one or more natural numbers. The coefficients may be taken as real numbers, for real-valued functions. For complex coef... | Trigonometric polynomial | Mathematics | 539 |
17,642,726 | https://en.wikipedia.org/wiki/Shape%20factor%20%28image%20analysis%20and%20microscopy%29 | Shape factors are dimensionless quantities used in image analysis and microscopy that numerically describe the shape of a particle, independent of its size. Shape factors are calculated from measured dimensions, such as diameter, chord lengths, area, perimeter, centroid, moments, etc. The dimensions of the particles ... | Shape factor (image analysis and microscopy) | Chemistry | 749 |
13,689,416 | https://en.wikipedia.org/wiki/Spoken%20dialog%20system | A spoken dialog system (SDS) is a computer system able to converse with a human with voice. It has two essential components that do not exist in a written text dialog system: a speech recognizer and a text-to-speech module (written text dialog systems usually use other input systems provided by an OS). It can be furthe... | Spoken dialog system | Technology | 906 |
36,264,436 | https://en.wikipedia.org/wiki/BCI%20Asia%20Top%2010%20Awards | The BCI Asia Top 10 Awards is an award ceremony in the Asian building and design industry that has been running since 2003. It is held in seven Asian countries, namely Hong Kong, Indonesia, Malaysia, the Philippines, Singapore, Thailand, and Vietnam. The awards recognizes the achievements of developers, contractors, an... | BCI Asia Top 10 Awards | Engineering | 244 |
12,783,118 | https://en.wikipedia.org/wiki/Syntrophin | The syntrophins are a family of five 60-kiloDalton proteins that are associated with dystrophin, the protein associated with Duchenne muscular dystrophy and Becker muscular dystrophy. The name comes from the Greek word syntrophos, meaning "companion." The five syntrophins are encoded by separate genes and are termed α,... | Syntrophin | Chemistry,Biology | 324 |
292,222 | https://en.wikipedia.org/wiki/Stochastic | Stochastic (; ) is the property of being well-described by a random probability distribution. Stochasticity and randomness are technically distinct concepts: the former refers to a modeling approach, while the latter describes phenomena; in everyday conversation, however, these terms are often used interchangeably. In ... | Stochastic | Mathematics | 2,650 |
2,038,513 | https://en.wikipedia.org/wiki/Flow%20control%20structure | A flow control structure is a device that alters the flow of water in a stream, drainage channel or pipe. As a group these are passive structures since they operate without intervention under different amounts of water flow and their impact changes based on the quantity of water available. This includes weirs, flow sp... | Flow control structure | Physics,Chemistry,Engineering,Environmental_science | 335 |
2,868,835 | https://en.wikipedia.org/wiki/PocketBell | Philippine Wireless Inc., doing business as PocketBell, was a telecommunications company which was the first to introduce pagers in the Philippines.
History
Philippine Wireless Inc. introduced PocketBell in the 1970s, becoming the first company to make pagers commercially available in the Philippines. From the 1970s u... | PocketBell | Technology | 297 |
4,909,026 | https://en.wikipedia.org/wiki/Ohio%20River%20Bridges%20Project | The Ohio River Bridges Project (ORBP) was a 2002–2016 transportation project in the Louisville metropolitan area primarily involving the construction of two Interstate highway bridges across the Ohio River and the reconstruction of the Kennedy Interchange (locally known as "Spaghetti Junction") near downtown Louisville... | Ohio River Bridges Project | Physics | 2,528 |
827,305 | https://en.wikipedia.org/wiki/Noncommutative%20quantum%20field%20theory | In mathematical physics, noncommutative quantum field theory (or quantum field theory on noncommutative spacetime) is an application of noncommutative mathematics to the spacetime of quantum field theory that is an outgrowth of noncommutative geometry and index theory in which the coordinate functions are noncommutativ... | Noncommutative quantum field theory | Physics | 1,174 |
37,180,810 | https://en.wikipedia.org/wiki/Reply%20girl | A reply girl was a type of female YouTube user who uploaded video responses to popular YouTube videos, at a time when such responses were displayed prominently by the site, causing site-wide controversy in 2012.
Algorithm
In 2012, YouTube gave significant weight to video responses when suggesting further viewing for a... | Reply girl | Technology | 873 |
17,743,903 | https://en.wikipedia.org/wiki/Besicovitch%20covering%20theorem | In mathematical analysis, a Besicovitch cover, named after Abram Samoilovitch Besicovitch, is an open cover of a subset E of the Euclidean space RN by balls such that each point of E is the center of some ball in the cover.
The Besicovitch covering theorem asserts that there exists a constant cN depending only on the ... | Besicovitch covering theorem | Mathematics | 556 |
67,902,375 | https://en.wikipedia.org/wiki/Self-supervised%20learning | Self-supervised learning (SSL) is a paradigm in machine learning where a model is trained on a task using the data itself to generate supervisory signals, rather than relying on externally-provided labels. In the context of neural networks, self-supervised learning aims to leverage inherent structures or relationships ... | Self-supervised learning | Engineering | 1,455 |
11,381,694 | https://en.wikipedia.org/wiki/Orphan%20source | An orphan source is a self-contained radioactive source that is no longer under regulatory control.
The United States Nuclear Regulatory Commission definition is:
...a sealed source of radioactive material contained in a small volume—but not radioactively contaminated soils and bulk metals—in any one or more of the ... | Orphan source | Physics | 308 |
1,183,639 | https://en.wikipedia.org/wiki/Laurel%20forest | Laurel forest, also called laurisilva or laurissilva, is a type of subtropical forest found in areas with high humidity and relatively stable, mild temperatures. The forest is characterized by broadleaf tree species with evergreen, glossy and elongated leaves, known as "laurophyll" or "lauroid". Plants from the laurel ... | Laurel forest | Biology | 7,726 |
9,721,579 | https://en.wikipedia.org/wiki/Bilateral%20descent | Bilateral descent is a system of family lineage in which the relatives on the mother's side and father's side are equally important for emotional ties or for transfer of property or wealth. It is a family arrangement where descent and inheritance are passed equally through both parents. Families who use this system tra... | Bilateral descent | Biology | 483 |
31,178,650 | https://en.wikipedia.org/wiki/Adinkra%20symbols%20%28physics%29 | In supergravity and supersymmetric representation theory, Adinkra symbols are a graphical representation of supersymmetric algebras. Mathematically they can be described as colored finite connected simple graphs, that are bipartite and n-regular. Their name is derived from Adinkra symbols of the same name, and they we... | Adinkra symbols (physics) | Physics | 360 |
402,849 | https://en.wikipedia.org/wiki/Interface%20bloat | Interface bloat is a phenomenon in software design where an interface incorporates too many (often unnecessary) operations or elements, causing issues such as difficulty navigating and usability.
Definition
While the term bloat can refer to a variety of terms in software design, Interface bloat refers to the phenomen... | Interface bloat | Technology,Engineering | 173 |
66,069,890 | https://en.wikipedia.org/wiki/V529%20Orionis | V529 Orionis, also known as Nova Orionis 1678, is a variable star which is usually classified as a nova. It was discovered on 28 March 1678 by Johannes Hevelius, who spotted it while observing a lunar occultation of χ1 Orionis, the star that forms the northernmost tip of Orion's club. Following the occultation of χ... | V529 Orionis | Astronomy | 323 |
226,644 | https://en.wikipedia.org/wiki/Unit%20cell | In geometry, biology, mineralogy and solid state physics, a unit cell is a repeating unit formed by the vectors spanning the points of a lattice. Despite its suggestive name, the unit cell (unlike a unit vector, for example) does not necessarily have unit size, or even a particular size at all. Rather, the primitive c... | Unit cell | Physics,Chemistry,Materials_science,Engineering | 985 |
53,019,459 | https://en.wikipedia.org/wiki/Aspergillus%20felis | Aspergillus felis is a heterothallic species of fungus in the genus Aspergillus which can cause aspergillosis in humans, dogs and cats. It was described for the first time in 2013 after being isolated from different hosts worldwide (North and South America, Europe, Africa, Northeast Asia, and Asia-Pacific).
The first... | Aspergillus felis | Biology | 1,536 |
47,090,773 | https://en.wikipedia.org/wiki/Cameron%20graph | The Cameron graph is a strongly regular graph of parameters . This means that it has 231 vertices, 30 edges per vertex, 9 triangles per edges, and 3 two-edge paths between every two non-adjacent vertices.
It can be obtained from a Steiner system (a collection of 22 elements and 6-element blocks with each triple of el... | Cameron graph | Mathematics | 180 |
66,315,143 | https://en.wikipedia.org/wiki/Bristol%20Janus | During World War 2, the Bristol Aero Engine part of the Bristol Aeroplane Company was pre-occupied with developing and manufacturing radial piston engines, such as the Bristol Hercules and the more powerful Bristol Centaurus. However, in 1944 the Company decided to form a Project Department to investigate the design of... | Bristol Janus | Technology | 466 |
1,150,875 | https://en.wikipedia.org/wiki/157%20%28number%29 | 157 (one hundred [and] fifty-seven) is the number following 156 and preceding 158.
In mathematics
157 is:
the 37th prime number. The next prime is 163 and the previous prime is 151.
a balanced prime, because the arithmetic mean of those primes yields 157.
an emirp.
a Chen prime.
the largest known prime p which ... | 157 (number) | Mathematics | 267 |
23,286,244 | https://en.wikipedia.org/wiki/Yttrium-90 | Yttrium-90 () is a radioactive isotope of yttrium. Yttrium-90 has found a wide range of uses in radiation therapy to treat some forms of cancer. Along with other isotopes of yttrium, it is sometimes called radioyttrium.
Decay
undergoes beta particles emissions/decay (β− decay) to zirconium-90 with a half-life of 64.1... | Yttrium-90 | Chemistry | 850 |
66,606,069 | https://en.wikipedia.org/wiki/Global%20Invasive%20Species%20Database | The Global Invasive Species Database is a database of invasive species around the world run by the Invasive Species Specialist Group (ISSG) of the International Union for Conservation of Nature. It publishes the list 100 of the World's Worst Invasive Alien Species.
References
External links
Ecological databases
Onli... | Global Invasive Species Database | Environmental_science | 59 |
1,572,316 | https://en.wikipedia.org/wiki/Off-balance-sheet | In accounting, "off-balance-sheet" (OBS), or incognito leverage, usually describes an asset, debt, or financing activity not on the company's balance sheet. Total return swaps are an example of an off-balance-sheet item.
Some companies may have significant amounts of off-balance-sheet assets and liabilities. For examp... | Off-balance-sheet | Technology | 922 |
2,347,016 | https://en.wikipedia.org/wiki/Ancient%20Greek%20units%20of%20measurement | Ancient Greek units of measurement varied according to location and epoch. Systems of ancient weights and measures evolved as needs changed; Solon and other lawgivers also reformed them en bloc. Some units of measurement were found to be convenient for trade within the Mediterranean region and these units became increa... | Ancient Greek units of measurement | Mathematics | 872 |
47,499,046 | https://en.wikipedia.org/wiki/Ulu%20Muda%20Forest | The Greater Ulu Muda Forest Complex (GUMFC) is a large expanse of lowland dipterocarp forest in Baling and Sik Districts, Kedah, Malaysia, on the border with Thailand. The area has high biodiversity thanks to relatively low rates of poaching and human intrusion. A number of endangered species are known to be present in... | Ulu Muda Forest | Biology | 246 |
40,836,829 | https://en.wikipedia.org/wiki/Daucosterol | Daucosterol (eleutheroside A) is a natural phytosterol-like compound. It is the glucoside of β-sitosterol.
References
Sterols
Glucosides
Saponins | Daucosterol | Chemistry | 53 |
26,614,093 | https://en.wikipedia.org/wiki/Ebalzotan | Ebalzotan (NAE-086) is a selective 5-HT1A receptor agonist. It was under development as an antidepressant and anxiolytic agent but produced undesirable side effects in phase I clinical trials and was subsequently discontinued.
See also
4-HO-PiPT
Robalzotan
References
Amines
Carboxamides
Chromanes
Isopropylamino ... | Ebalzotan | Chemistry | 89 |
170,898 | https://en.wikipedia.org/wiki/Persuasive%20technology | Persuasive technology is broadly defined as technology that is designed to change attitudes or behaviors of the users through persuasion and social influence, but not necessarily through coercion. Such technologies are regularly used in sales, diplomacy, politics, religion, military training, public health, and managem... | Persuasive technology | Engineering,Biology | 3,051 |
13,699,607 | https://en.wikipedia.org/wiki/Moment%20%28unit%29 | A moment () is a medieval unit of time. The movement of a shadow on a sundial covered 40 moments in a solar hour, a twelfth of the period between sunrise and sunset. The length of a solar hour depended on the length of the day, which, in turn, varied with the season. Although the length of a moment in modern seconds wa... | Moment (unit) | Physics,Mathematics | 318 |
326,634 | https://en.wikipedia.org/wiki/Value%20engineering | Value engineering (VE) is a systematic analysis of the functions of various components and materials to lower the cost of goods, products and services with a tolerable loss of performance or functionality. Value, as defined, is the ratio of function to cost. Value can therefore be manipulated by either improving the fu... | Value engineering | Engineering | 1,617 |
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