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 |
|---|---|---|---|---|---|
17,157,285 | https://en.wikipedia.org/wiki/Biocrystallization | Biocrystallization is the formation of crystals from organic macromolecules by living organisms. This may be a stress response, a normal part of metabolism such as processes that dispose of waste compounds, or a pathology. Template mediated crystallization is qualitatively different from in vitro crystallization. Inhib... | Biocrystallization | Chemistry,Biology | 461 |
80,850 | https://en.wikipedia.org/wiki/XML-RPC | XML-RPC is a remote procedure call (RPC) protocol which uses XML to encode its calls and HTTP as a transport mechanism.
History
The XML-RPC protocol was created in 1998 by Dave Winer of UserLand Software and Microsoft, with Microsoft seeing the protocol as an essential part of scaling up its efforts in business-to-bus... | XML-RPC | Technology | 1,008 |
7,771,277 | https://en.wikipedia.org/wiki/Birkhoff%20polytope | The Birkhoff polytope Bn (also called the assignment polytope, the polytope of doubly stochastic matrices, or the perfect matching polytope of the complete bipartite graph ) is the convex polytope in RN (where N = n2) whose points are the doubly stochastic matrices, i.e., the matrices whose entries are non-negative re... | Birkhoff polytope | Mathematics | 919 |
1,011,231 | https://en.wikipedia.org/wiki/Undercroft | An undercroft is traditionally a cellar or storage room, often brick-lined and vaulted, and used for storage in buildings since medieval times. In modern usage, an undercroft is generally a ground (street-level) area which is relatively open to the sides, but covered by the building above.
History
While some were use... | Undercroft | Engineering | 367 |
4,131,678 | https://en.wikipedia.org/wiki/Hammond%27s%20postulate | Hammond's postulate (or alternatively the Hammond–Leffler postulate), is a hypothesis in physical organic chemistry which describes the geometric structure of the transition state in an organic chemical reaction. First proposed by George Hammond in 1955, the postulate states that:
If two states, as, for example, a tra... | Hammond's postulate | Chemistry | 2,904 |
70,721,697 | https://en.wikipedia.org/wiki/Neodymium%20tantalate | Neodymium tantalate is an inorganic compound with the chemical formula NdTaO4. It is prepared by reacting neodymium oxide and tantalum pentoxide at 1200 °C. It reacts with a mixture of tantalum pentoxide and chlorine gas at high temperature to obtain Nd2Ta2O7Cl2. It is ammonolyzed at high temperature to obtain oxynitri... | Neodymium tantalate | Chemistry | 267 |
1,046,024 | https://en.wikipedia.org/wiki/Formal%20equivalence%20checking | Formal equivalence checking process is a part of electronic design automation (EDA), commonly used during the development of digital integrated circuits, to formally prove that two representations of a circuit design exhibit exactly the same behavior.
Equivalence checking and levels of abstraction
In general, there ... | Formal equivalence checking | Engineering | 1,461 |
2,370,445 | https://en.wikipedia.org/wiki/Epsilon%20Ophiuchi | Epsilon Ophiuchi or ε Ophiuchi, formally named Yed Posterior (), is a red giant star in the constellation of Ophiuchus. Located less than five degrees south of the celestial equator in the eastern part of the constellation, it forms a naked eye optical double with Delta Ophiuchi (named Yed Prior). With an apparent visu... | Epsilon Ophiuchi | Astronomy | 784 |
35,640,199 | https://en.wikipedia.org/wiki/Rayman%20Legends | Rayman Legends is a platform video game developed by Ubisoft Montpellier and published by Ubisoft. It is the fifth main title in the Rayman series and the direct sequel to the 2011 game Rayman Origins. The game was released for Microsoft Windows, PlayStation 3, Xbox 360, Wii U, and PlayStation Vita platforms in August ... | Rayman Legends | Physics | 2,807 |
24,032,607 | https://en.wikipedia.org/wiki/Running%20total | A running total or rolling total is the summation of a sequence of numbers which is updated each time a new number is added to the sequence, by adding the value of the new number to the previous running total. Another term for it is partial sum.
The purposes of a running total are twofold. First, it allows the total t... | Running total | Mathematics | 591 |
43,956,835 | https://en.wikipedia.org/wiki/Binding%20neuron | A binding neuron (BN) is an abstract concept of processing of input impulses in a generic neuron based on their temporal coherence and the level of neuronal inhibition. Mathematically, the concept may be implemented by most neuronal models including the well-known leaky integrate-and-fire model. The BN concept origin... | Binding neuron | Physics,Biology | 1,598 |
29,476,668 | https://en.wikipedia.org/wiki/Soil%20bioengineering | Soil and Water Bioengineering is a discipline of civil engineering. It pursues technological, ecological, economic as well as design goals and seeks to achieve these primarily by making use of living materials, i.e. seeds, plants, part of plants and plant communities, and employing them in near–natural constructions wh... | Soil bioengineering | Engineering,Environmental_science | 844 |
56,056,679 | https://en.wikipedia.org/wiki/Methylenebis%28dibutyldithiocarbamate%29 | Methylenebis(dibutyldithiocarbamate) is the organosulfur compound with the formula CH2(SC(S)NBu2)2 (Bu = C4H9). It is a derivative of dibutyldithiocarbamate that is used as an additive to various lubricants, both as an antioxidant and to prevent metal surfaces. It is prepared by alkylation of the dithiocarbamate with... | Methylenebis(dibutyldithiocarbamate) | Chemistry | 139 |
53,828,670 | https://en.wikipedia.org/wiki/Alkene%20carboamination | Alkene carboamination is the simultaneous formation of C–N and C–C bonds across an alkene. This method represents a powerful strategy to build molecular complexity with up to two stereocenters in a single operation. Generally, there are four categories of reaction modes for alkene carboamination. The first class is cyc... | Alkene carboamination | Chemistry | 663 |
13,590,647 | https://en.wikipedia.org/wiki/Flunoxaprofen | Flunoxaprofen, also known as Priaxim, is a chiral nonsteroidal anti-inflammatory drug (NSAID). It is closely related to naproxen, which is also an NSAID. Flunoxaprofen has been shown to significantly improve the symptoms of osteoarthritis and rheumatoid arthritis. The clinical use of flunoxaprofen has ceased due to con... | Flunoxaprofen | Chemistry | 1,061 |
9,465,520 | https://en.wikipedia.org/wiki/7-Dehydrositosterol | 7-Dehydrositosterol is a sterol which serves as a precursor for sitocalciferol (vitamin D5).
External links
Sterols
Vitamin D | 7-Dehydrositosterol | Chemistry,Biology | 39 |
1,649,915 | https://en.wikipedia.org/wiki/Unguent | An unguent is a soothing preparation spread on wounds, burns, rashes, abrasions or other topical injuries (i.e. damage to the skin). It is similar to an ointment, though typically an unguent is oilier and less viscous. It is usually delivered as a semi-solid paste spread on the skin, and it is often oily in order to su... | Unguent | Chemistry | 240 |
25,291,178 | https://en.wikipedia.org/wiki/Atom%20%28programming%20language%29 | Atom is a domain-specific language (DSL) in Haskell, for designing real-time embedded software.
History
Originally intended as a high-level hardware description language (HDL), Atom was created in early 2007 and released as free and open-source software (FOSS) of April of that year. Inspired by TRS and Bluespec, Atom... | Atom (programming language) | Technology | 554 |
32,345,601 | https://en.wikipedia.org/wiki/KIX%20domain | In biochemistry, the KIX domain (kinase-inducible domain (KID) interacting domain) or CREB binding domain is a protein domain of the eukaryotic transcriptional coactivators CBP and P300. It serves as a docking site for the formation of heterodimers between the coactivator and specific transcription factors. Structurall... | KIX domain | Chemistry,Biology | 821 |
23,653,447 | https://en.wikipedia.org/wiki/C17H20N2O | {{DISPLAYTITLE:C17H20N2O}}
The molecular formula C17H20N2O (molar mass: 268.35 g/mol, exact mass: 268.1576 u) may refer to:
Centralite, or ethyl centralite
Michler's ketone
Remacemide
Molecular formulas | C17H20N2O | Physics,Chemistry | 73 |
49,986,238 | https://en.wikipedia.org/wiki/Caulobacter%20phage%20holin%20family | The Caulobacter Phage Holin (CauHol) Family (TC# 1.E.47) consists of several putative holins of 157 to 159 amino acyl residues (aas) in length that exhibit 2 transmembrane segments (TMSs). They derive from phage specific for Caulobacter species. These proteins are not functionally characterized. A representative list o... | Caulobacter phage holin family | Biology | 402 |
32,319,985 | https://en.wikipedia.org/wiki/Ichir%C5%8D%20Satake | (25 December 1927 – 10 October 2014) was a Japanese mathematician working on algebraic groups who introduced the Satake isomorphism and Satake diagrams. He was considered an iconic figure in the theory of linear algebraic groups and symmetric spaces.
Satake was born in Tokyo, Japan in 1927, and received his Ph.D. at t... | Ichirō Satake | Mathematics | 338 |
57,876,996 | https://en.wikipedia.org/wiki/Binary%20angular%20measurement | Binary angular measurement (BAM) (and the binary angular measurement system, BAMS) is a measure of angles using binary numbers and fixed-point arithmetic, in which a full turn is represented by the value 1. The unit of angular measure used in those methods may be called binary radian (brad) or binary degree.
These re... | Binary angular measurement | Mathematics | 818 |
38,068,881 | https://en.wikipedia.org/wiki/Native%20American%20ethnobotany | This is a list of plants used by the indigenous people of North America. For lists pertaining specifically to the Cherokee, Iroquois, Navajo, and Zuni, see Cherokee ethnobotany, Iroquois ethnobotany, Navajo ethnobotany, and Zuni ethnobotany.
A
Abronia fragrans (snowball-sand verbena) Used as both food and medicine. Se... | Native American ethnobotany | Biology | 6,023 |
28,000,935 | https://en.wikipedia.org/wiki/Intubation | Intubation (sometimes entubation) is a medical procedure involving the insertion of a tube into the body. Patients are generally anesthetized beforehand. Examples include tracheal intubation, and the balloon tamponade with a Sengstaken–Blakemore tube (a tube into the gastrointestinal tract).
See also
Catheterization
... | Intubation | Chemistry,Biology | 104 |
602,456 | https://en.wikipedia.org/wiki/Gardening%20%28cryptanalysis%29 | In cryptanalysis, gardening is the act of encouraging a target to use known plaintext in an encrypted message, typically by performing some action the target is sure to report. It was a term used during World War II at the British Government Code and Cypher School at Bletchley Park, England, for schemes to entice the ... | Gardening (cryptanalysis) | Technology | 540 |
18,865,642 | https://en.wikipedia.org/wiki/Supersymmetry%20algebra | In theoretical physics, a supersymmetry algebra (or SUSY algebra) is a mathematical formalism for describing the relation between bosons and fermions. The supersymmetry algebra contains not only the Poincaré algebra and a compact subalgebra of internal symmetries, but also contains some fermionic supercharges, transfor... | Supersymmetry algebra | Physics | 998 |
28,235,575 | https://en.wikipedia.org/wiki/Swarts%20fluorination | Swarts fluorination is a process whereby the chlorine atoms in a compound – generally an organic compound, but experiments have been performed using silanes – are replaced with fluorine, by treatment with antimony trifluoride in the presence of chlorine or of antimony pentachloride. Some metal fluorides are particularl... | Swarts fluorination | Chemistry | 300 |
49,309,525 | https://en.wikipedia.org/wiki/Pholiota%20gummosa | Pholiota gummosa, commonly known as the sticky scalycap, is a common species of mushroom-forming fungus in the family Strophariaceae. It is found in Europe and North America, where it grows as a saprotroph on the rotting wood of deciduous trees, including trunks and roots. It can also grow on wood buried near the surfa... | Pholiota gummosa | Biology | 260 |
7,513,144 | https://en.wikipedia.org/wiki/Thrombopoietic%20agent | Thrombopoietic agents are drugs that induce the growth and maturation of megakaryocytes. Some of them are currently in clinical use: romiplostim, eltrombopag, oprelvekin (a recombinant interleukin 11) and thrombopoietin. Several others are under clinical investigation such as lusutrombopag and avatrombopag.
References... | Thrombopoietic agent | Chemistry | 96 |
15,552,594 | https://en.wikipedia.org/wiki/Intraperitoneal%20injection | Intraperitoneal injection or IP injection is the injection of a substance into the peritoneum (body cavity). It is more often applied to non-human animals than to humans. In general, it is preferred when large amounts of blood replacement fluids are needed or when low blood pressure or other problems prevent the use of... | Intraperitoneal injection | Chemistry | 2,212 |
53,989,605 | https://en.wikipedia.org/wiki/Polyrotaxane | Polyrotaxane is a type of mechanically interlocked molecule consisting of strings and rings, in which multiple rings are threaded onto a molecular axle and prevented from dethreading by two bulky end groups. As oligomeric or polymeric species of rotaxanes, polyrotaxanes are also capable of converting energy input to mo... | Polyrotaxane | Chemistry,Materials_science | 4,167 |
8,984,724 | https://en.wikipedia.org/wiki/Dirichlet%20algebra | In mathematics, a Dirichlet algebra is a particular type of algebra associated to a compact Hausdorff space X. It is a closed subalgebra of C(X), the uniform algebra of bounded continuous functions on X, whose real parts are dense in the algebra of bounded continuous real functions on X. The concept was introduced by ... | Dirichlet algebra | Mathematics | 202 |
2,879,824 | https://en.wikipedia.org/wiki/List%20of%20Japanese%20map%20symbols | This is a list of symbols appearing on Japanese maps. These symbols are called in the Japanese language.
Partial list of symbols for users with visual impairment
Official symbols according to the conventions of the Geographical Survey Institute of Japan appear with a circle below.
See also
(GSI)
External lin... | List of Japanese map symbols | Mathematics | 85 |
59,545,820 | https://en.wikipedia.org/wiki/NGC%206907 | NGC 6907 is a spiral galaxy located in the constellation Capricornus. It is located at a distance of about 120 million light-years from Earth, which, given its apparent dimensions, means that NGC 6907 is about 115,000 light-years across. It was discovered by William Herschel on July 12, 1784. The total infrared luminos... | NGC 6907 | Astronomy | 719 |
268,420 | https://en.wikipedia.org/wiki/Foam | Foams are two-phase material systems where a gas is dispersed in a second, non-gaseous material, specifically, in which gas cells are enclosed by a distinct liquid or solid material. The foam "may contain more or less liquid [or solid] according to circumstances", although in the case of gas-liquid foams, the gas occup... | Foam | Physics,Chemistry,Materials_science | 4,222 |
5,306 | https://en.wikipedia.org/wiki/Chemical%20equilibrium | In a chemical reaction, chemical equilibrium is the state in which both the reactants and products are present in concentrations which have no further tendency to change with time, so that there is no observable change in the properties of the system. This state results when the forward reaction proceeds at the same ra... | Chemical equilibrium | Physics,Chemistry | 5,214 |
15,806,009 | https://en.wikipedia.org/wiki/Informative%20site | In phylogenetics, informative site is a term used when maximum parsimony is the optimality criterion for construction of a phylogenetic tree. It refers to a characteristic for which the number of character-state evolutionary changes of at this site depends on the topology of the tree. The charactetistics can take on mu... | Informative site | Chemistry,Biology | 230 |
1,197,184 | https://en.wikipedia.org/wiki/Formal%20proof | In logic and mathematics, a formal proof or derivation is a finite sequence of sentences (known as well-formed formulas when relating to formal language), each of which is an axiom, an assumption, or follows from the preceding sentences in the sequence, according to the rule of inference. It differs from a natural lang... | Formal proof | Mathematics | 673 |
33,947,481 | https://en.wikipedia.org/wiki/List%20of%20%CE%B2-lactam%20antibiotics | This is a list of common β-lactam antibiotics—both administered drugs and those not in clinical use—organized by structural class. Antibiotics are listed alphabetically within their class or subclass by their nonproprietary name. If an antibiotic is a combination drug, both ingredients will be listed.
Penams
Narrow-s... | List of β-lactam antibiotics | Chemistry | 584 |
39,334,096 | https://en.wikipedia.org/wiki/World%20manifold | In gravitation theory, a world manifold endowed with some Lorentzian pseudo-Riemannian metric and an associated space-time structure is a space-time. Gravitation theory is formulated as classical field theory on natural bundles over a world manifold.
Topology
A world manifold is a four-dimensional orientable real s... | World manifold | Physics | 1,413 |
13,337,084 | https://en.wikipedia.org/wiki/Nanomesh | The nanomesh is an inorganic nanostructured two-dimensional material, similar to graphene. It was discovered in 2003 at the University of Zurich, Switzerland.
It consists of a single layer of boron (B) and nitrogen (N) atoms, which forms by self-assembly into a highly regular mesh after high-temperature exposure of a ... | Nanomesh | Chemistry,Materials_science,Mathematics,Engineering | 1,274 |
56,538,024 | https://en.wikipedia.org/wiki/Columbia%20Data%20Center | Columbia Data Center is Microsoft's data center in Quincy, Washington. Property at Quincy was purchased in 2006; the building opened in April, 2007; and the data center reached operational status in May, 2007. It was said to be the largest data center in the world as of 2015. The company located there due to low land c... | Columbia Data Center | Technology | 174 |
1,965,869 | https://en.wikipedia.org/wiki/Banks%E2%80%93Zaks%20fixed%20point | In quantum chromodynamics (and also N = 1 super quantum chromodynamics) with massless flavors, if the number of flavors, Nf, is sufficiently small (i.e. small enough to guarantee asymptotic freedom, depending on the number of colors), the theory can flow to an interacting conformal fixed point of the renormalization gr... | Banks–Zaks fixed point | Physics,Mathematics | 468 |
3,157,586 | https://en.wikipedia.org/wiki/Dimethyl%20methylphosphonate | Dimethyl methylphosphonate is an organophosphorus compound with the chemical formula CH3PO(OCH3)2. It is a colourless liquid, which is primarily used as a flame retardant.
Synthesis
Dimethyl methylphosphonate can be prepared from trimethyl phosphite and a halomethane (e.g. iodomethane) via the Michaelis–Arbuzov reacti... | Dimethyl methylphosphonate | Chemistry,Biology | 364 |
41,460,633 | https://en.wikipedia.org/wiki/Siguazodan | Siguazodan is a phosphodiesterase inhibitor.
References
Cyanamides
Guanidines
Phosphodiesterase inhibitors | Siguazodan | Chemistry | 32 |
1,013,492 | https://en.wikipedia.org/wiki/Marcos%20Moshinsky | Marcos Moshinsky Borodiansky (; ; 1921–2009) was a Mexican physicist of Ukrainian-Jewish origin whose work in the field of elementary particles won him the Prince of Asturias Prize for Scientific and Technical Investigation in 1988 and the UNESCO Science Prize in 1997.
Early life
He was born in 1921 into a Jewish fami... | Marcos Moshinsky | Physics | 569 |
14,325,287 | https://en.wikipedia.org/wiki/Bluebugging | Bluebugging is a form of Bluetooth attack often caused by a lack of awareness. It was developed after the onset of bluejacking and bluesnarfing. Similar to bluesnarfing, bluebugging accesses and uses all phone features but is limited by the transmitting power of class 2 Bluetooth radios, normally capping its range at 1... | Bluebugging | Technology | 362 |
27,603,257 | https://en.wikipedia.org/wiki/Kisrhombille | In geometry, a kisrhombille is a uniform tiling of rhombic faces, divided by central points into four triangles.
Examples:
3-6 kisrhombille – Euclidean plane
3-7 kisrhombille – hyperbolic plane
3-8 kisrhombille – hyperbolic plane
4-5 kisrhombille – hyperbolic plane
References
Uniform tilings
John Horton Conway | Kisrhombille | Physics | 86 |
50,204,361 | https://en.wikipedia.org/wiki/Potassium%20transporter%20family | The K+ Transporter (Trk) Family is a member of the voltage-gated ion channel (VIC) superfamily. The proteins of the Trk family are derived from Gram-negative and Gram-positive bacteria, yeast and plants.
Homology
The phylogenetic tree reveals that the proteins cluster according to phylogeny of the source organism wit... | Potassium transporter family | Biology | 679 |
1,869,960 | https://en.wikipedia.org/wiki/Alazan%20%28rocket%29 | The Alazan rocket was a Cold War-era, 82mm Soviet rocket originally developed to distribute cloud seeding chemicals such as potassium or silver iodide. Some were converted into improvised munitions and modified to carry explosive warheads. Others were retrofitted with a warhead, which, in one case, contained up to 400g... | Alazan (rocket) | Astronomy | 98 |
8,310,995 | https://en.wikipedia.org/wiki/Shrinking%20city | Shrinking cities or urban depopulation are dense cities that have experienced a notable population loss. Emigration is a common reason for city shrinkage. Since the infrastructure of such cities was built to support a larger population, its maintenance can become a serious concern. A related phenomenon is counterurbani... | Shrinking city | Environmental_science | 6,906 |
40,546 | https://en.wikipedia.org/wiki/Jurij%20Vega | Baron Jurij Bartolomej Vega (also Veha; ; ; born Vehovec, March 23, 1754 – September 26, 1802) was a Slovene mathematician, physicist and artillery officer.
Early life
Born to a farmer's family in the small village of Zagorica east of Ljubljana in Slovenia, Vega was 6 years old when his father Jernej Veha died. Vega ... | Jurij Vega | Mathematics | 1,649 |
75,988,582 | https://en.wikipedia.org/wiki/Cefepime/enmetazobactam | Cefepime/enmetazobactam, sold under the brand name Exblifep, is a medication used for the treatment of urinary tract infections. It is a fixed dose combination containing cefepime, a cephalosporin antibacterial; and enmetazobactam, a beta-lactamase inhibitor.
The combination was approved for medical use in the United ... | Cefepime/enmetazobactam | Biology | 440 |
14,218,810 | https://en.wikipedia.org/wiki/TorrentFreak |
TorrentFreak (TF) is a blog dedicated to reporting the latest news and trends on the BitTorrent protocol and file sharing, as well as on copyright infringement and digital rights.
The website was started in November 2005 by a Dutchman using the pseudonym "Ernesto van der Sar". He was joined by Andy "Enigmax" Maxwell... | TorrentFreak | Technology | 704 |
22,270,008 | https://en.wikipedia.org/wiki/Slit%20%28protein%29 | Slit is a family of secreted extracellular matrix proteins which play an important signalling role in the neural development of most bilaterians (animals with bilateral symmetry). While lower animal species, including insects and nematode worms, possess a single Slit gene, humans, mice and other vertebrates possess thr... | Slit (protein) | Biology | 1,981 |
11,516,599 | https://en.wikipedia.org/wiki/Activation%20product | An activation product is a material that has been made radioactive by the process of neutron activation.
Fission products and actinides produced by neutron absorption of nuclear fuel itself are normally referred to by those specific names, and activation product reserved for products of neutron capture by other materi... | Activation product | Physics,Chemistry,Materials_science,Engineering | 294 |
568,726 | https://en.wikipedia.org/wiki/Giant%20star | A giant star has a substantially larger radius and luminosity than a main-sequence (or dwarf) star of the same surface temperature. They lie above the main sequence (luminosity class V in the Yerkes spectral classification) on the Hertzsprung–Russell diagram and correspond to luminosity classes II and III. The terms gi... | Giant star | Astronomy | 2,583 |
41,635,197 | https://en.wikipedia.org/wiki/Zinc%20Inc. | Zinc Inc. (renamed from Cotap Inc, Jun 2016) is a San Francisco-based company that sells a mobile messaging application for businesses. Unlike consumer-focused apps such as WhatsApp and WeChat that require phone numbers, Cotap allows users to find and connect with other users who share their corporate email domain. The... | Zinc Inc. | Technology | 303 |
11,389,841 | https://en.wikipedia.org/wiki/Single-subject%20research | Single-subject research is a group of research methods that are used extensively in the experimental analysis of behavior and applied behavior analysis with both human and non-human participants. This research strategy focuses on one participant and tracks their progress in the research topic over a period of time. Sin... | Single-subject research | Biology | 1,326 |
1,562,796 | https://en.wikipedia.org/wiki/Aresti%20Catalog | The Aresti Catalog is the Fédération Aéronautique Internationale (FAI) standards document enumerating the aerobatic manoeuvers permitted in aerobatic competition. Designed by Spanish aviator Colonel José Luis Aresti Aguirre (1919–2003), each figure in the catalog is represented by lines, arrows, geometric shapes and nu... | Aresti Catalog | Mathematics | 640 |
27,431,403 | https://en.wikipedia.org/wiki/Shadowing%20lemma | In the theory of dynamical systems, the shadowing lemma is a lemma describing the behaviour of pseudo-orbits near a hyperbolic invariant set. Informally, the theory states that every pseudo-orbit (which one can think of as a numerically computed trajectory with rounding errors on every step) stays uniformly close to so... | Shadowing lemma | Physics,Mathematics | 301 |
7,820,422 | https://en.wikipedia.org/wiki/Nivarox | Nivarox, also known as Nivarox - FAR SA is a Swiss company formed by a merger in 1984 between Nivarox SA and Fabriques d'Assortiments Réunis (FAR). It is currently owned by the Swatch Group. Nivarox is also the trade name of the metallic alloy from which its products are fabricated. Its notable property is that its co... | Nivarox | Physics,Chemistry | 645 |
34,380,017 | https://en.wikipedia.org/wiki/Barium%20perchlorate | Barium perchlorate is a powerful oxidizing agent, with the formula Ba(ClO4)2. It is used in the pyrotechnic industry.
Barium perchlorate decomposes at 505 °C.
Structure of barium perchlorate trihydrate
Gallucci and Gerkin (1988) analyzed the structure of the hydrate isomer barium perchlorate trihydrate (Ba(ClO4)2•3... | Barium perchlorate | Chemistry | 904 |
28,404,157 | https://en.wikipedia.org/wiki/Ministry%20of%20Mines%20and%20Energy%20%28Colombia%29 | The Ministry of Mines and Energy () is the national executive ministry of the Government of Colombia that oversees the regulation of the mining and mineral industry and the electricity sector in Colombia, it is similar in its duties to other energy ministries of other countries.
List of ministers
References
Minist... | Ministry of Mines and Energy (Colombia) | Engineering | 67 |
42,957,113 | https://en.wikipedia.org/wiki/Grigore%20T.%20Popa | Grigore T. Popa (sometimes Anglicized to Gregor T. Popa; 1 May 1892 – 18 July 1948) was a Romanian physician and public intellectual. Of lowly peasant origin, he managed to obtain a university education and become a professor at two of his country's leading universities. An anatomist by specialty, Popa worked on popula... | Grigore T. Popa | Biology | 6,141 |
2,258,865 | https://en.wikipedia.org/wiki/Isotopologue | In chemistry, isotopologues (also spelled isotopologs) are molecules that differ only in their isotopic composition. They have the same chemical formula and bonding arrangement of atoms, but at least one atom has a different number of neutrons than the parent.
An example is water, whose hydrogen-related isotopologues ... | Isotopologue | Physics,Chemistry | 1,688 |
61,406,091 | https://en.wikipedia.org/wiki/Decomposition%20of%20a%20module | In abstract algebra, a decomposition of a module is a way to write a module as a direct sum of modules. A type of a decomposition is often used to define or characterize modules: for example, a semisimple module is a module that has a decomposition into simple modules. Given a ring, the types of decomposition of module... | Decomposition of a module | Mathematics | 2,005 |
1,749,638 | https://en.wikipedia.org/wiki/Encyclopedia%20of%20World%20Problems%20and%20Human%20Potential | The Encyclopedia of World Problems and Human Potential (EWPHP) is a research work published by the Union of International Associations (UIA). It is available online since 2000, and was previously available as a CD-ROM and as a three-volume book.
The EWPHP began under the direction of Anthony Judge in 1972 and eventual... | Encyclopedia of World Problems and Human Potential | Biology | 1,047 |
1,468,408 | https://en.wikipedia.org/wiki/Guaco | Guaco, huaco, vejuco and bejuco are terms applied to various vine-like Central American, South American, and West Indian climbing plants, reputed to have curative powers. Several species in the genus Mikania are among those referred to as guaco. Even though it is not a vine guaco is also used to refer to Cleome serrula... | Guaco | Biology | 487 |
21,799,992 | https://en.wikipedia.org/wiki/Peace%20ecology | The term peace ecology has been used by Christos Kyrou of American University to describe a proposed theoretical framework that is intended to provide "a better understanding, of the inherent capacities of the environment to inform and sustain peace."
Use of the term
Peace ecology was introduced by Professor Christos ... | Peace ecology | Biology | 233 |
51,008,352 | https://en.wikipedia.org/wiki/Hydrodynamic%20scour | Hydrodynamic scour is the removal of sediment such as silt, sand and gravel from around the base of obstructions to the flow in the sea, rivers and canals. Scour, caused by fast flowing water, can carve out scour holes, compromising the integrity of a structure. It is an interaction between the hydrodynamics and the ge... | Hydrodynamic scour | Physics,Engineering,Environmental_science | 272 |
7,266,679 | https://en.wikipedia.org/wiki/Bedford%20Level%20experiment | The Bedford Level experiment was a series of observations carried out along a length of the Old Bedford River on the Bedford Level of the Cambridgeshire Fens in the United Kingdom during the 19th and early 20th centuries to deny the curvature of the Earth through measurement.
Samuel Birley Rowbotham, who conducted th... | Bedford Level experiment | Physics,Mathematics | 1,415 |
1,680,877 | https://en.wikipedia.org/wiki/Air%20filter | A particulate air filter is a device composed of fibrous, or porous materials which removes particulates such as smoke, dust, pollen, mold, viruses and bacteria from the air. Filters containing an adsorbent or catalyst such as charcoal (carbon) may also remove odors and gaseous pollutants such as volatile organic compo... | Air filter | Chemistry,Technology | 2,262 |
742,319 | https://en.wikipedia.org/wiki/Faraday%27s%20laws%20of%20electrolysis | Faraday's laws of electrolysis are quantitative relationships based on the electrochemical research published by Michael Faraday in 1833.
First law
Michael Faraday reported that the mass () of a substance deposited or liberated at an electrode is directly proportional to the charge (, for which the SI unit is the am... | Faraday's laws of electrolysis | Chemistry,Mathematics | 678 |
52,701,677 | https://en.wikipedia.org/wiki/Tom%20Voltaire%20Okwalinga | Tom Voltaire Okwalinga also known as TVO is an anonymous Ugandan and famous social media critique of the Uganda's government.
He has been leaking a series of the Uganda's government secrets through his Facebook account for which he has over 120,000 followers.
In April 2014, he posted a secret tape that implicated th... | Tom Voltaire Okwalinga | Technology | 166 |
35,863,555 | https://en.wikipedia.org/wiki/AIR%20Shipper | The AIR Shipper is a regulatory manual utilized by air shippers for shipping dangerous goods. A.I.R. Shipper is the first regulations publication recognized by the International Civil Aviation Organization and is developed in compliance with ICAO standards. A.I.R. Shipper is published by Labelmaster, a U.S.-based manuf... | AIR Shipper | Physics,Chemistry,Technology | 99 |
15,840,012 | https://en.wikipedia.org/wiki/Optical%20pulsar | An optical pulsar is a pulsar which can be detected in the visible spectrum. There are very few of these known: the Crab Pulsar was detected by stroboscopic techniques in 1969, shortly after its discovery in radio waves, at the Steward Observatory. The Vela Pulsar was detected in 1977 at the Anglo-Australian Observato... | Optical pulsar | Astronomy | 142 |
78,230,327 | https://en.wikipedia.org/wiki/Sheng%20%28volume%29 | The Chinese sheng (), called sho in Japan and seung in Korea, also called Chinese liter, is a traditional unit of volume in East Asia. It originated from China and later spread to Japan, the Korean Peninsula, Vietnam and other places. One sheng equals 10 ge or 1/10 dou, though its specific capacity has varied by times ... | Sheng (volume) | Mathematics | 725 |
28,296,197 | https://en.wikipedia.org/wiki/Asset%20integrity%20management%20systems | Asset Integrity Management Systems (AIMS) outline the ability of an asset to perform its required function effectively and efficiently whilst protecting health, safety and the environment and the means of ensuring that the people, systems, processes, and resources that deliver integrity are in place, in use and will pe... | Asset integrity management systems | Chemistry,Engineering | 593 |
30,856,576 | https://en.wikipedia.org/wiki/Barcha | A barcha, barsha or brchha is a type of lance with a wooden handle, once common in South Asia (the word itself is Hindi). They were common in the 16th century.
Use in combat
The weapon found itself very handy with the emerging Marathas in the early seventeenth century. It was lighter to carry in the mountainous terrai... | Barcha | Physics | 373 |
36,118,645 | https://en.wikipedia.org/wiki/Kosmos%201247 | Kosmos 1247 ( meaning Cosmos 1247) was a Soviet US-K missile early warning satellite which was launched in 1981 as part of the Soviet military's Oko programme. The satellite was designed to identify missile launches using optical telescopes and infrared sensors.
Kosmos 1247 was launched from Site 16/2 at Plesetsk Cosm... | Kosmos 1247 | Technology | 289 |
2,347,000 | https://en.wikipedia.org/wiki/Ancient%20Mesopotamian%20units%20of%20measurement | Ancient Mesopotamian units of measurement originated in the loosely organized city-states of Early Dynastic Sumer. Each city, kingdom and trade guild had its own standards until the formation of the Akkadian Empire when Sargon of Akkad issued a common standard. This standard was improved by Naram-Sin, but fell into d... | Ancient Mesopotamian units of measurement | Mathematics | 1,363 |
10,942,957 | https://en.wikipedia.org/wiki/Motexafin%20gadolinium | Motexafin gadolinium (proposed tradename Xcytrin) is an inhibitor of thioredoxin reductase and ribonucleotide reductase. It has been proposed as a possible chemotherapeutic agent in the treatment of brain metastases.
History
On May 9, 2006, a New Drug Application was submitted to the United States Food and Drug Admini... | Motexafin gadolinium | Chemistry,Biology | 124 |
1,335,938 | https://en.wikipedia.org/wiki/NexTView | NexTView was an electronic program guide for the analog domain, introduced in 1995 and based on Teletext Level 2.5 / Hi-Text.
It was used by TV programme listings for all of the major networks in Germany, Austria, France and Switzerland. The transmission protocol was based on teletext, however, using a compact binary ... | NexTView | Technology | 227 |
43,385,931 | https://en.wikipedia.org/wiki/Data%20exploration | Data exploration is an approach similar to initial data analysis, whereby a data analyst uses visual exploration to understand what is in a dataset and the characteristics of the data, rather than through traditional data management systems. These characteristics can include size or amount of data, completeness of the ... | Data exploration | Technology,Engineering | 632 |
64,038,257 | https://en.wikipedia.org/wiki/Eustachius%20Roche | Eustachius Roche (floruit 1570-1600) was a Flemish mining entrepreneur in Scotland.
Roche was granted a monopoly to mine metals in Scotland, and work salt on the shore near Edinburgh, but his contract was terminated in 1592.
His surname was sometimes written "Roghe", or Rogghe", or "Roogh". He lived in Leith.
He had... | Eustachius Roche | Chemistry,Engineering | 1,201 |
47,187,269 | https://en.wikipedia.org/wiki/4-Mercaptophenylacetic%20acid | MPAA (4-Mercaptophenylacetic acid) is a redox buffer that increases the folding rate of disulfide-containing proteins.
MPAA is also used in native chemical ligation as a thiol catalyst.
Acetic acids
Aromatic compounds
Thiols | 4-Mercaptophenylacetic acid | Chemistry | 58 |
5,322,320 | https://en.wikipedia.org/wiki/Axiom%20of%20global%20choice | In mathematics, specifically in class theories, the axiom of global choice is a stronger variant of the axiom of choice that applies to proper classes of sets as well as sets of sets. Informally it states that one can simultaneously choose an element from every non-empty set.
Statement
The axiom of global choice sta... | Axiom of global choice | Mathematics | 532 |
1,073,121 | https://en.wikipedia.org/wiki/Mott%20MacDonald | The Mott MacDonald Group is a management, engineering and development consultancy headquartered in the United Kingdom. It employs over 18,000 staff in 150 countries. Mott MacDonald is one of the largest employee-owned companies in the world.
History
Mott MacDonald was formed in 1989 through the merger of Mott, Hay and... | Mott MacDonald | Engineering | 1,994 |
17,727,732 | https://en.wikipedia.org/wiki/Annular%20velocity | Annular velocity is the speed of the drilling fluid's movement in a column called an annulus in oil wells. It is commonly measured in feet per minute (ft/min) or meters per minute (m/min). Annular velocity is often abbreviated as AV, though this is not exclusively so, as AV also refers to apparent viscosity which is ca... | Annular velocity | Chemistry,Engineering | 568 |
16,295 | https://en.wikipedia.org/wiki/Josiah%20Wedgwood | Josiah Wedgwood (12 July 1730 – 3 January 1795) was an English potter, entrepreneur and abolitionist. Founding the Wedgwood company in 1759, he developed improved pottery bodies by systematic experimentation, and was the leader in the industrialisation of the manufacture of European pottery.
The renewed classical ent... | Josiah Wedgwood | Physics | 5,086 |
74,508,938 | https://en.wikipedia.org/wiki/Ministers%27%20Wings | The Ministers' wings are outbuildings of the Palace of Versailles located in the Cour d'Honneur; the south wing now houses the Princes' bookshop and the ticket office, while the north wing is used to welcome groups of visitors.
History
Four pavilions were built for the Secretaries of State in 1671. Jules Hardouin-Man... | Ministers' Wings | Engineering | 395 |
51,693,525 | https://en.wikipedia.org/wiki/FEBS%20Open%20Bio | FEBS Open Bio is a monthly peer-reviewed open access scientific journal covering research and education in molecular and cellular life sciences. It was established in 2011 and is published by John Wiley & Sons on behalf of the Federation of European Biochemical Societies (FEBS). According to the journal, papers are not... | FEBS Open Bio | Chemistry | 210 |
5,376,872 | https://en.wikipedia.org/wiki/Narratio%20Prima | De libris revolutionum Copernici narratio prima, usually referred to as Narratio Prima (), is an abstract of Nicolaus Copernicus' heliocentric theory, written by Georg Joachim Rheticus in 1540. It is an introduction to Copernicus's major work, De revolutionibus orbium coelestium, published in 1543, largely due to Rheti... | Narratio Prima | Astronomy | 875 |
70,705,948 | https://en.wikipedia.org/wiki/Proacrodon | Proacrodon is a dubious genus of extinct mammal from South America. Its type species is Proacrodon transformatus. The only known specimen, a lower premolar or molar, is now lost, and its affinities are unknown.
In 1899, Santiago Roth named the new genus and species Proacrodon transformatus on the basis of a single too... | Proacrodon | Biology | 302 |
14,215,182 | https://en.wikipedia.org/wiki/D-lysine%205%2C6-aminomutase | In enzymology, D-lysine 5,6-aminomutase () is an enzyme that catalyzes the chemical reaction
D-lysine 2,5-diaminohexanoate
Hence, this enzyme has one substrate, D-lysine, and one product, 2,5-diaminohexanoate.
This enzyme participates in lysine degradation. It employs one cofactor, cobamide.
Background
D-lysine ... | D-lysine 5,6-aminomutase | Biology | 1,749 |
4,760,719 | https://en.wikipedia.org/wiki/Jeffrey%20P.%20Buzen | Jeffrey Peter Buzen (born May 28, 1943) is an American computer scientist in system performance analysis best known for his contributions to queueing theory. His PhD dissertation (available as https://archive.org/details/DTIC_AD0731575) and his 1973 paper Computational algorithms for closed queueing networks with expo... | Jeffrey P. Buzen | Technology | 847 |
64,056,942 | https://en.wikipedia.org/wiki/Institute%20for%20Disease%20Modeling | Institute for Disease Modeling (IDM) is an institute within the Global Health Division of the Bill and Melinda Gates Foundation. Established in 2008 as part of the Global Good Fund, a non-profit subsidiary of Intellectual Ventures (IV) funded by Bill and Melinda Gates, IDM has transitioned in mid-2020 to the Gates Foun... | Institute for Disease Modeling | Environmental_science | 376 |
16,883,797 | https://en.wikipedia.org/wiki/SHINE%20Expert%20System | Spacecraft Health Inference Engine (SHINE) is a software-development tool for knowledge-based systems, created by the Artificial intelligence Group, Information Systems Technology Section at NASA/JPL. The system is in use in basic and applied AI research at JPL. SHINE was designed to operate in a real-time environment.... | SHINE Expert System | Technology | 663 |
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