text stringlengths 11 320k | source stringlengths 26 161 |
|---|---|
The jumping-Jupiter scenario specifies an evolution of giant- planet migration described by the Nice model , in which an ice giant (an additional Neptune-mass planet ) is scattered inward by Saturn and then ejected by Jupiter , causing their semi-major axes to jump, and thereby quickly separating their orbits . [ 1 ] T... | https://en.wikipedia.org/wiki/Jumping-Jupiter_scenario |
Jumping libraries or junction-fragment libraries are collections of genomic DNA fragments generated by chromosome jumping . These libraries allow the analysis of large areas of the genome and overcome distance limitations in common cloning techniques.
A jumping library clone is composed of two stretches of DNA that are... | https://en.wikipedia.org/wiki/Jumping_library |
Rolling hairpin replication ( RHR ) is a unidirectional, strand displacement form of DNA replication used by parvoviruses, a group of viruses that constitute the family Parvoviridae . Parvoviruses have linear, single-stranded DNA (ssDNA) genomes in which the coding portion of the genome is flanked by telomeres at each ... | https://en.wikipedia.org/wiki/Junction_resolution |
In geometry , Jung's theorem is an inequality between the diameter of a set of points in any Euclidean space and the radius of the minimum enclosing ball of that set. It is named after Heinrich Jung , who first studied this inequality in 1901. Algorithms also exist to solve the smallest-circle problem explicitly.
Cons... | https://en.wikipedia.org/wiki/Jung's_theorem |
Robin Scagell Prof Lucie Green Patron:
The Society for Popular Astronomy ( SPA ) is a national astronomical society based in the United Kingdom for beginners to amateur astronomy . [ 1 ]
It was founded in 1953 as the Junior Astronomical Society [ 2 ] by experienced amateur astronomers including Patrick Moore , Ernest... | https://en.wikipedia.org/wiki/Junior_Astronomical_Society |
Junitoite is a mineral with formula CaZn 2 Si 2 O 7 ·H 2 O. It was discovered at the Christmas mine in Christmas, Arizona , and described in 1976. The mineral is named for mineral chemist Jun Ito (1926–1978).
Junitoite is transparent to translucent and is colorless, milk-white, or colored due to alteration. Crystals g... | https://en.wikipedia.org/wiki/Junitoite |
A Junker test is a mechanical test to determine the point at which a bolted joint loses its preload when subjected to shear loading caused by transverse vibration .
Design engineers apply the Junker test to determine the point at which fastener securing elements – such as lock nuts , wedges and lock washers – fail whe... | https://en.wikipedia.org/wiki/Junker_test |
JunoCam (or JCM ) is the visible-light camera/telescope onboard NASA's Juno spacecraft that entered orbit around Jupiter in 2016. The camera is operated by the JunoCam Digital Electronics Assembly (JDEA). Both the camera and JDEA were built by Malin Space Science Systems . JunoCam takes a swath of imaging as the spacec... | https://en.wikipedia.org/wiki/JunoCam |
Junwang Tang, MAE, FRSC and FIMMM, is the Founding Director of Industrial Catalysis Center, and Carbon Neutrality Chair Professor of Materials Chemistry and Catalysis at the Department of Chemical Engineering, Tsinghua University and Visiting Professor at University College London (UCL) . He also served as the Directo... | https://en.wikipedia.org/wiki/Junwang_Tang |
Juozas Matulis (19 March 1899 – 25 June 1993) was a Lithuanian chemist, physicist and long-time president of the Lithuanian Academy of Sciences .
In 1912, Matulis graduated from Juodpėnai Elementary School. He then studied at the Liepoja Gymnasium from 1920 he served in the electrical engineering battalion of the Lit... | https://en.wikipedia.org/wiki/Juozas_Matulis |
The Jupiter barrier is the name for a region of the Solar System characterized by the gravitational influence of Jupiter on passing interstellar and in-system objects. Specifically, it is the region where these objects (which include asteroids and comets ) are attracted to Jupiter and are either captured in its orbit o... | https://en.wikipedia.org/wiki/Jupiter_barrier |
The Jupiter mass , also called Jovian mass , is the unit of mass equal to the total mass of the planet Jupiter . This value may refer to the mass of the planet alone, or the mass of the entire Jovian system to include the moons of Jupiter . Jupiter is by far the most massive planet in the Solar System . It is approxima... | https://en.wikipedia.org/wiki/Jupiter_mass |
The Jupiter project was to be a new high-end model of Digital Equipment Corporation (DEC) 's PDP-10 mainframe computers. This project was cancelled in 1983, as the PDP-10 was increasingly eclipsed by the VAX supermini machines (descendants of the PDP-11 ). DEC recognized then that the PDP-10 and VAX product lines were ... | https://en.wikipedia.org/wiki/Jupiter_project |
The Jupiter radius or Jovian radius ( R J or R Jup ) has a value of 71,492 km (44,423 mi), or 11.2 Earth radii ( R 🜨 ) [ 2 ] (one Earth radius equals 0.08921 R J ). The Jupiter radius is a unit of length used in astronomy to describe the radii of gas giants and some exoplanets . It is also used in describing brown dw... | https://en.wikipedia.org/wiki/Jupiter_radius |
Planetary symbols are used in astrology and traditionally in astronomy to represent a classical planet (which includes the Sun and the Moon) or one of the modern planets. The classical symbols were also used in alchemy for the seven metals known to the ancients , which were associated with the planets , and in calendar... | https://en.wikipedia.org/wiki/Jupiter_symbol |
Jure Zupan is a Slovenian physicist and founder of chemomectrics research in Slovenia, known for his work in applications and development of artificial neural networks in chemistry.
Zupan was born in Ljubljana , Slovenia in 1943. He studied Physics at the University of Ljubljana and graduated in 1966. He obtained his ... | https://en.wikipedia.org/wiki/Jure_Zupan |
Jurin's law , or capillary rise , is the simplest analysis of capillary action —the induced motion of liquids in small channels [ 1 ] —and states that the maximum height of a liquid in a capillary tube is inversely proportional to the tube's diameter . Capillary action is one of the most common fluid mechanical effects... | https://en.wikipedia.org/wiki/Jurin's_law |
A jury theorem is a mathematical theorem proving that, under certain assumptions, a decision attained using majority voting in a large group is more likely to be correct than a decision attained by a single expert. It serves as a formal argument for the idea of wisdom of the crowd , for decision of questions of fact by... | https://en.wikipedia.org/wiki/Jury_theorem |
Just in sequence ( JIS ) is an inventory strategy that matches just in time (JIT) and complete fit in sequence with variation of assembly line production. Components and parts arrive at a production line right in time as scheduled before they get assembled. Feedback from the manufacturing line is used to coordinate tra... | https://en.wikipedia.org/wiki/Just_in_sequence |
In coding theory , Justesen codes form a class of error-correcting codes that have a constant rate, constant relative distance, and a constant alphabet size.
Before the Justesen error correction code was discovered, no error correction code was known that had all of these three parameters as a constant.
Subsequently,... | https://en.wikipedia.org/wiki/Justesen_code |
The Justice Department ( JD ) was founded in the United Kingdom by animal liberation activists who declared they were willing to use a diversity of tactics up to and including violence against their opponents. Calling for " abusers to have but a taste of the fear and anguish their victims suffer on a daily basis" , act... | https://en.wikipedia.org/wiki/Justice_Department_(animal_rights) |
A consortium of researchers in Bangladesh successfully completed draft genome sequencing for the jute plant .
The consortium consisted of Dhaka University , Bangladesh Jute Research Institute , and software company DataSoft Systems Bangladesh Ltd. [ 1 ] It worked in collaboration with Centre for Chemical Biology, Univ... | https://en.wikipedia.org/wiki/Jute_genome |
A juvenile is an individual organism (especially an animal ) that has not yet reached its adult form, sexual maturity or size. Juveniles can look very different from the adult form, particularly in colour, and may not fill the same niche as the adult form. [ 1 ] In many organisms the juvenile has a different name from ... | https://en.wikipedia.org/wiki/Juvenile_(organism) |
Jyā , koṭi-jyā and utkrama-jyā are three trigonometric functions introduced by Indian mathematicians and astronomers. The earliest known Indian treatise containing references to these functions is Surya Siddhanta . [ 1 ] These are functions of arcs of circles and not functions of angles. Jyā and koti-jyā are closely r... | https://en.wikipedia.org/wiki/Jyā,_koti-jyā_and_utkrama-jyā |
Ján Mináč (born 15 June 1953) is a Slovak-Canadian mathematician who is a professor of mathematics at The University of Western Ontario . His research interests include Galois groups , Galois cohomology , quadratic forms , and nonlinear dynamics .
Mináč received his bachelor's degree and his master's level RNDr. degre... | https://en.wikipedia.org/wiki/Ján_Mináč |
János Körner is a Hungarian mathematician who works on information theory and combinatorics . [ 1 ]
Körner studied Mathematics at the Eötvös Loránd University in Budapest with a degree in 1970 [ 2 ] and was then at the Alfréd Rényi Institute of Mathematics of the Hungarian Academy of Sciences until 1992. From 1981 to... | https://en.wikipedia.org/wiki/János_Körner |
Józef Maria Hoene-Wroński ( / ˈ h oʊ n ə ˈ v r ɒ n s k i / ; Polish: [ˈjuzɛf ˈxɛnɛ ˈvrɔj̃skʲi] ; French : Josef Hoëné-Wronski [ʒozɛf ɔɛne vʁɔ̃ski] ; 23 August 1776 – 9 August 1853) was a Polish messianist philosopher , mathematician , physicist , inventor , lawyer , occultist [ 1 ] and economist .
In mathematics, he i... | https://en.wikipedia.org/wiki/Józef_Maria_Hoene-Wroński |
Baron Jöns Jacob Berzelius ( Swedish: [jœns ˈjɑ̌ːkɔb bæˈʂěːlɪɵs] ; [ 1 ] 20 August 1779 – 7 August 1848) was a Swedish chemist. Berzelius is considered, along with Robert Boyle , John Dalton , and Antoine Lavoisier , to be one of the founders of modern chemistry . [ 2 ] Berzelius became a member of the Royal Swedish Ac... | https://en.wikipedia.org/wiki/Jöns_Jacob_Berzelius |
In the mathematical theory of Kleinian groups , Jørgensen's inequality is an inequality involving the traces of elements of a Kleinian group , proved by Troels Jørgensen ( 1976 ). [ 1 ]
The inequality states that if A and B generate a non-elementary discrete subgroup of the SL 2 ( C ), then
The inequality gives a qua... | https://en.wikipedia.org/wiki/Jørgensen's_inequality |
In physics and mathematics , the κ-Poincaré algebra , named after Henri Poincaré , is a deformation of the Poincaré algebra into a Hopf algebra . In the bicrossproduct basis, introduced by Majid-Ruegg [ 1 ] its commutation rules reads:
Where P μ {\displaystyle P_{\mu }} are the translation generators, R j {\displaysty... | https://en.wikipedia.org/wiki/K-Poincaré_algebra |
In physics and mathematics , the κ-Poincaré group , named after Henri Poincaré , is a quantum group , obtained by deformation of the Poincaré group into a Hopf algebra .
It is generated by the elements a μ {\displaystyle a^{\mu }} and Λ μ ν {\displaystyle {\Lambda ^{\mu }}_{\nu }} with the usual constraint:
where η μ ... | https://en.wikipedia.org/wiki/K-Poincaré_group |
The K/U Ratio is the ratio of a slightly volatile element , potassium (K), to a highly refractory element, uranium (U). It is a useful way to measure the presence of volatile elements on planetary surfaces. The K/U ratio helps explain the evolution of the planetary system and the origin of Earth's Moon.
In planetary... | https://en.wikipedia.org/wiki/K-U_ratio |
Κ-casein , or kappa casein , is a mammalian milk protein involved in several important physiological processes. Chymosin (found in rennet ) splits K-casein into an insoluble peptide (para kappa-casein) and water-soluble glycomacropeptide (GMP). GMP is responsible for an increased efficiency of digestion, prevention o... | https://en.wikipedia.org/wiki/K-casein |
In geometry , a hyperrectangle (also called a box , hyperbox , k {\displaystyle k} -cell or orthotope [ 2 ] ), is the generalization of a rectangle (a plane figure ) and the rectangular cuboid (a solid figure ) to higher dimensions . A necessary and sufficient condition is that it is congruent to the Cartesian product ... | https://en.wikipedia.org/wiki/K-cell_(mathematics) |
In X-ray absorption spectroscopy , the K-edge is a sudden increase in x-ray absorption occurring when the energy of the X-rays is just above the binding energy of the innermost electron shell of the atoms interacting with the photons. The term is based on X-ray notation , where the innermost electron shell is known as ... | https://en.wikipedia.org/wiki/K-edge |
The K-factor is the bending capacity of sheet metal , and by extension the forumulae used to calculate this. [ 1 ] [ 2 ] [ 3 ] Mathematically it is an engineering aspect of geometry . [ 4 ] Such is its intricacy
in precision sheet metal bending [ 5 ] (with press brakes in particular) that its proper application in engi... | https://en.wikipedia.org/wiki/K-factor_(metallurgy) |
In linear algebra , a k -frame is an ordered set of k linearly independent [ citation needed ] vectors in a vector space ; thus, k ≤ n , where n is the dimension of the space, and an n -frame is precisely an ordered basis .
If the vectors are orthogonal , or orthonormal , the frame is called an orthogonal frame , or o... | https://en.wikipedia.org/wiki/K-frame |
In computer science , a family of hash functions is said to be k -independent , k -wise independent or k -universal [ 1 ] if selecting a function at random from the family guarantees that the hash codes of any designated k keys are independent random variables (see precise mathematical definitions below). Such familie... | https://en.wikipedia.org/wiki/K-independent_hashing |
K-selectride is the organoboron compound with the formula KBH(C 4 H 9 ) 3 . It is the potassium salt of tri(sec-butyl)borohydride. The compound is sold as solution in THF. It is a strong reducing agent. Solutions are pyrophoric and highly reactive toward water and protic compounds. It is handled using air-free tec... | https://en.wikipedia.org/wiki/K-selectride |
The K-system is an audio level measuring technique proposed by mastering engineer Bob Katz in the paper "An integrated approach to Metering, Monitoring and Levelling". [ 1 ] It proposes a studio monitor calibration system and a set of meter ballistics to help engineers produce consistent sounding music while preserving... | https://en.wikipedia.org/wiki/K-system |
In mathematics , a set of natural numbers is called a K-trivial set if its initial segments viewed as binary strings are easy to describe: the prefix-free Kolmogorov complexity is as low as possible, close to that of a computable set . Solovay proved in 1975 that a set can be K-trivial without being computable.
The Sc... | https://en.wikipedia.org/wiki/K-trivial_set |
K. Andre Mkhoyan (born 1974) is the Ray D. and Mary T. Johnson Chair and Professor in the Department of Chemical Engineering and Materials Science at the University of Minnesota . [ 1 ] He is recognized for advancing both fundamental scientific understanding and diverse applications of scanning transmission electron mi... | https://en.wikipedia.org/wiki/K._Andre_Mkhoyan |
Potassium aluminium borate (K 2 Al 2 B 2 O 7 ) is an ionic compound composed of potassium ions, aluminium ions, and borate ions. Its crystal form exhibits nonlinear optical properties . The ultraviolet beam at 266 nm can be obtained by fourth harmonic generation (FGH) of 1064 nm Nd:YAG laser radiation through a nonline... | https://en.wikipedia.org/wiki/K2Al2B2O7 |
Dipotassium cyclooctatetraenide , sometimes abbreviated K 2 COT, is an organopotassium compound with the formula K 2 C 8 H 8 . It is a brown solid that is used as a precursor to cyclooctatetraenide complexes, such as uranocene (U(C 8 H 8 ) 2 ). Analogs of K 2 C 8 H 8 are known with ring substituents, with different al... | https://en.wikipedia.org/wiki/K2C8H8 |
Potassium carbonate is the inorganic compound with the formula K 2 C O 3 . It is a white salt , which is soluble in water and forms a strongly alkaline solution. It is deliquescent , often appearing as a damp or wet solid . Potassium carbonate is mainly used in the production of soap and glass . [ 3 ] Commonly, it can ... | https://en.wikipedia.org/wiki/K2CO3 |
Potassium dichromate , K 2 Cr 2 O 7 , is a common inorganic chemical reagent, most commonly used as an oxidizing agent in various laboratory and industrial applications. As with all hexavalent chromium compounds, it is acutely and chronically harmful to health. It is a crystalline ionic solid with a very bright, red-or... | https://en.wikipedia.org/wiki/K2Cr2O7 |
Potassium chromate is the inorganic compound with the formula K 2 CrO 4 . This yellow solid is the potassium salt of the chromate anion. It is a common laboratory chemical, whereas sodium chromate is important industrially.
Two crystalline forms are known, both being very similar to the corresponding potassium sulfa... | https://en.wikipedia.org/wiki/K2CrO4 |
Dipotassium phosphate (also dipotassium hydrogen orthophosphate or potassium phosphate dibasic ) is the inorganic compound with the formula K 2 HPO 4 . (H 2 O) x (x = 0, 3, 6). Together with monopotassium phosphate (KH 2 PO 4 . (H 2 O) x ), it is often used as a fertilizer , food additive , and buffering agent . [ 1 ]... | https://en.wikipedia.org/wiki/K2HPO4 |
Langbeinite is a potassium magnesium sulfate mineral with the chemical formula K 2 Mg 2 (SO 4 ) 3 . Langbeinite crystallizes in the isometric -tetartoidal (cubic) system as transparent colorless or white with pale tints of yellow to green and violet crystalline masses. It has a vitreous luster . The Mohs hardness is 3.... | https://en.wikipedia.org/wiki/K2Mg2(SO4)3 |
Potassium manganate is the inorganic compound with the formula K 2 MnO 4 . This green-colored salt is an intermediate in the industrial synthesis of potassium permanganate ( KMnO 4 ), a common chemical. [ 1 ] Occasionally, potassium manganate and potassium per manganate are confused, but each compound's properties are ... | https://en.wikipedia.org/wiki/K2MnO4 |
Potassium oxide ( K 2 O ) is an ionic compound of potassium and oxygen . It is a base . This pale yellow solid is the simplest oxide of potassium. It is a highly reactive compound that is rarely encountered. Some industrial materials, such as fertilizers and cements, are assayed assuming the percent composition that w... | https://en.wikipedia.org/wiki/K2O |
Potassium peroxide is an inorganic compound with the molecular formula K 2 O 2 . It is formed as potassium reacts with oxygen in the air, along with potassium oxide (K 2 O) and potassium superoxide (KO 2 ).
Potassium peroxide reacts with water to form potassium hydroxide and oxygen :
Potassium peroxide is a highly r... | https://en.wikipedia.org/wiki/K2O2 |
Potassium sulfate (US) or potassium sulphate (UK), also called sulphate of potash (SOP), arcanite , or archaically potash of sulfur , is the inorganic compound with formula K 2 SO 4 , a white water- soluble solid. It is commonly used in fertilizers , providing both potassium and sulfur .
Potassium sulfate (K 2 SO 4 ) ... | https://en.wikipedia.org/wiki/K2O4S |
Potassium dithionite or potassium hydrosulfite is a potassium salt of dithionous acid .
The compound has UN number UN 1929. As a dithionite, it is closely related to sodium dithionite , which is a commonly used reducing agent and bleaching agent .
This inorganic compound –related article is a stub . You can help Wiki... | https://en.wikipedia.org/wiki/K2O4S2 |
Potassium metabisulfite , K 2 S 2 O 5 , also known as potassium pyrosulfite , is a white crystalline powder with a pungent odour. It is mainly used as an antioxidant or chemical sterilant . [ 1 ] As a disulfite , it is chemically very similar to sodium metabisulfite , with which it is sometimes used interchangeably. P... | https://en.wikipedia.org/wiki/K2O5S2 |
Potassium octachlorodirhenate(III) is an inorganic compound with the formula K 2 Re 2 Cl 8 . This dark blue salt is well known as an early example of a compound featuring quadruple bond between its metal centers. Although the compound has no practical value, its characterization was significant in opening a new field o... | https://en.wikipedia.org/wiki/K2Re2Cl8 |
Potassium nonahydridorhenate(VII) is an inorganic compound having the formula K 2 [ Re H 9 ] . This colourless salt is soluble in water but only poorly soluble in most alcohols . This salt contains the nonahydridorhenate(VII) anion , [ReH 9 ] 2− , which is a rare example of a coordination complex bearing only hydride l... | https://en.wikipedia.org/wiki/K2ReH9 |
Potassium sulfide is an inorganic compound with the formula K 2 S . The colourless solid is rarely encountered, because it reacts readily with water, a reaction that affords potassium hydrosulfide (KSH) and potassium hydroxide (KOH). Most commonly, the term potassium sulfide refers loosely to this mixture, not the anh... | https://en.wikipedia.org/wiki/K2S |
Potassium metabisulfite , K 2 S 2 O 5 , also known as potassium pyrosulfite , is a white crystalline powder with a pungent odour. It is mainly used as an antioxidant or chemical sterilant . [ 1 ] As a disulfite , it is chemically very similar to sodium metabisulfite , with which it is sometimes used interchangeably. P... | https://en.wikipedia.org/wiki/K2S2O5 |
Potassium pyrosulfate , or potassium disulfate , is an inorganic compound with the chemical formula K 2 S 2 O 7 .
Potassium pyrosulfate is obtained by the thermal decomposition of other salts, most directly from potassium bisulfate : [ 1 ]
Temperatures above 600°C further decompose potassium pyrosulfate to potassium ... | https://en.wikipedia.org/wiki/K2S2O7 |
Potassium persulfate is the inorganic compound with the formula K 2 S 2 O 8 . Also known as potassium peroxydisulfate , it is a white solid that is sparingly soluble in cold water, but dissolves better in warm water. This salt is a powerful oxidant, commonly used to initiate polymerizations .
The sodium and potassium ... | https://en.wikipedia.org/wiki/K2S2O8 |
Potassium pentasulfide is the inorganic compound with the formula K 2 S 5 . It is a red-orange solid that dissolves in water. The salt decomposes rapidly in air.
It is one of several polysulfide salts with the general formula M 2 S n , where M = Li, Na, K and n = 2, 3, 4, 5, 6. [ 1 ] The polysulfide salts of potassium ... | https://en.wikipedia.org/wiki/K2S5 |
Potassium sulfite is the inorganic compound with the formula K 2 SO 3 . It is the salt of potassium cation and sulfite anion. It is a white solid that is highly soluble in water. Potassium sulfite is used for preserving food and beverages . [ 2 ]
Potassium sulfite was first obtained by Georg Ernst Stahl in the early... | https://en.wikipedia.org/wiki/K2SO3 |
Potassium sulfate (US) or potassium sulphate (UK), also called sulphate of potash (SOP), arcanite , or archaically potash of sulfur , is the inorganic compound with formula K 2 SO 4 , a white water- soluble solid. It is commonly used in fertilizers , providing both potassium and sulfur .
Potassium sulfate (K 2 SO 4 ) ... | https://en.wikipedia.org/wiki/K2SO4 |
Potassium selenide ( K 2 Se ) is an inorganic compound formed from selenium and potassium .
It can be produced by the reaction of selenium and potassium . If the two are combined in liquid ammonia , the purity is higher.
Potassium selenide has a cubic, antifluorite crystal structure .
This inorganic compound –relate... | https://en.wikipedia.org/wiki/K2Se |
Potassium telluride is an inorganic compound with a chemical formula K 2 Te. It is formed from potassium and tellurium , making it a telluride . [ 2 ] Potassium telluride is a white powder. Like rubidium telluride and caesium telluride , it can be used as an ultraviolet detector in space. Its crystal structure is simil... | https://en.wikipedia.org/wiki/K2Te |
Potassium ferrioxalate, also called potassium trisoxalatoferrate or potassium tris(oxalato)ferrate(III) [ 3 ] is a chemical compound with the formula K 3 [ Fe ( C 2 O 4 ) 3 ] . It often occurs as the trihydrate K 3 [Fe(C 2 O 4 ) 3 ]·3H 2 O . Both are crystalline compounds, lime green in colour. [ 4 ]
The compound is a... | https://en.wikipedia.org/wiki/K3(Fe(C2O4)3) |
Potassium hypomanganate is the inorganic compound with the formula K 3 MnO 4 . Also known as potassium manganate(V) , this bright blue solid is a rare example of a salt with the hypomanganate or manganate(V) anion, where the manganese atom is in the +5 oxidation state. It is an intermediate in the production of potassi... | https://en.wikipedia.org/wiki/K3MnO4 |
Potassium nitride is an unstable chemical compound. Several syntheses were erroneously claimed in the 19th century, and by 1894 it was assumed that it did not exist. [ 2 ]
However, a synthesis of this compound was claimed in 2004. It is observed to have the anti- TiI 3 structure below 233 K (−40 °C; −40 °F), although ... | https://en.wikipedia.org/wiki/K3N |
Orthonitrate is a tetrahedral anion of nitrogen with the formula NO 3− 4 . It was first identified in 1977 [ 1 ] and is currently known in only two compounds, sodium orthonitrate (Na 3 NO 4 ) and potassium orthonitrate (K 3 NO 4 ). The corresponding oxoacid, orthonitric acid (H 3 NO 4 ), is hypothetical and has never ... | https://en.wikipedia.org/wiki/K3NO4 |
Tripotassium phosphate, also called tribasic potassium phosphate [ 3 ] is a water-soluble salt with the chemical formula K 3 PO 4 . (H 2 O) x (x = 0, 3, 7, 9). [ 4 ] Tripotassium phosphate is basic: a 1% aqueous solution has a pH of 11.8. [ 4 ]
Tripotassium phosphate is produced by the neutralization of phosphoric aci... | https://en.wikipedia.org/wiki/K3O4P |
Tripotassium phosphate, also called tribasic potassium phosphate [ 3 ] is a water-soluble salt with the chemical formula K 3 PO 4 . (H 2 O) x (x = 0, 3, 7, 9). [ 4 ] Tripotassium phosphate is basic: a 1% aqueous solution has a pH of 11.8. [ 4 ]
Tripotassium phosphate is produced by the neutralization of phosphoric aci... | https://en.wikipedia.org/wiki/K3PO4 |
Potassium octachlorodimolybdate (systematically named potassium bis(tetrachloromolybdate)( Mo – Mo )(4−) ) is an inorganic compound with the chemical formula K 4 [Mo 2 Cl 8 ] . It is known as a red-coloured, microcrystalline solid. The anion is of historic interest as one of the earliest illustrations of a quadruple bo... | https://en.wikipedia.org/wiki/K4Mo2Cl8 |
The K5 Plan ( Khmer : ផែនការក៥ ), K5 Belt or K5 Project , also known as the Bamboo Curtain , [ 1 ] was an attempt between 1985 and 1989 by the government of the People's Republic of Kampuchea to seal Khmer Rouge guerrilla infiltration routes into Cambodia by means of trenches, wire fences, and minefields along virtuall... | https://en.wikipedia.org/wiki/K5_Plan |
The KALQ keyboard (dubbed after the order the keys appear in the keyboard, analogous to QWERTY ) is a keyboard layout that has been developed by researchers at the Montana Tech , University of St Andrews and the Max Planck Institute for Informatics as a split-screen keyboard for thumb-typing, which is claimed to allow ... | https://en.wikipedia.org/wiki/KALQ_keyboard |
In information security , a KARMA attack is an attack that exploits a behaviour of some Wi-Fi devices, combined with the lack of access point authentication in numerous WiFi protocols. It is a variant of the evil twin attack. [ 1 ] Details of the attack were first published in 2004 by Dino dai Zovi and Shane Macaulay. ... | https://en.wikipedia.org/wiki/KARMA_attack |
Potassium aluminium fluoride ( PAF , chemical formula KAlF 4 ) is an inorganic compound .
This compound is used as flux in the smelting of secondary aluminium, to reduce or remove the magnesium content of the melt. The main environmental issue that arises from using PAF is the production of fluoride gases. Calcium hyd... | https://en.wikipedia.org/wiki/KAlF4 |
The KBD algorithm is a cluster update algorithm designed for the fully frustrated Ising model in two dimensions, [ 1 ] or more generally any two dimensional spin glass with frustrated plaquettes arranged in a checkered pattern . [ 2 ] It is discovered in 1990 by Daniel Kandel, Radel Ben-Av, and Eytan Domany, and genera... | https://en.wikipedia.org/wiki/KBD_algorithm |
Potassium bromide ( K Br ) is a salt , widely used as an anticonvulsant and a sedative in the late 19th and early 20th centuries, with over-the-counter use extending to 1975 in the US. Its action is due to the bromide ion ( sodium bromide is equally effective). Potassium bromide is used as a veterinary drug, in antiepi... | https://en.wikipedia.org/wiki/KBr |
Potassium bromate ( KBrO 3 ) is a bromate of potassium and takes the form of white crystals or powder. It is a strong oxidizing agent.
Potassium bromate is produced when bromine is passed through a hot solution of potassium hydroxide . This first forms unstable potassium hypobromite , which quickly disproportionates i... | https://en.wikipedia.org/wiki/KBrO3 |
Potassium bitartrate , also known as potassium hydrogen tartrate , with formula K C 4 H 5 O 6 , is a chemical compound with a number of uses. It is the potassium acid salt of tartaric acid (a carboxylic acid ). Especially in cooking, it is also known as cream of tartar .
It is used as a component of baking powders and... | https://en.wikipedia.org/wiki/KC4H5O6 |
In quantum foundations , the KCBS pentagram was discovered by Alexander Klyachko , M. Ali Can , Sinem Binicioglu , and Alexander Shumovsky as an example disproving noncontextual hidden variable models .
Let's say we have a pentagram, which is a graph with 5 vertices and 5 edges. Each vertex can be colored either red o... | https://en.wikipedia.org/wiki/KCBS_pentagram |
Potassium chlorate is the inorganic compound with the molecular formula KClO 3 . In its pure form, it is a white solid. After sodium chlorate , it is the second most common chlorate in industrial use. It is a strong oxidizing agent and its most important application is in safety matches . [ 6 ] In other applications it... | https://en.wikipedia.org/wiki/KCIO3 |
KCR is a clinical development provider for the biotechnology and pharmaceutical industries. It has three main service areas: Trial Execution, Consulting and Placement.
KCR operates across four main regions: North America, Western Europe, Central Europe, and Eastern Europe , with a main operational hub located in Bosto... | https://en.wikipedia.org/wiki/KCR_CRO |
Calcium chloride is an inorganic compound , a salt with the chemical formula CaCl 2 . It is a white crystalline solid at room temperature, and it is highly soluble in water. It can be created by neutralising hydrochloric acid with calcium hydroxide .
Calcium chloride is commonly encountered as a hydrated solid with ge... | https://en.wikipedia.org/wiki/KCaCl3 |
Potassium chloride ( KCl , or potassium salt ) is a metal halide salt composed of potassium and chlorine . It is odorless and has a white or colorless vitreous crystal appearance. The solid dissolves readily in water, and its solutions have a salt -like taste. Potassium chloride can be obtained from ancient dried lake ... | https://en.wikipedia.org/wiki/KCl |
Potassium hypochlorite is a chemical compound with the chemical formula K O Cl , also written as KClO. It is the potassium salt of hypochlorous acid . It consists of potassium cations ( K + ) and hypochlorite anions ( − OCl ). It is used in variable concentrations, often diluted in water solution. Its aqueous solutions... | https://en.wikipedia.org/wiki/KClO |
Potassium chlorate is the inorganic compound with the molecular formula KClO 3 . In its pure form, it is a white solid. After sodium chlorate , it is the second most common chlorate in industrial use. It is a strong oxidizing agent and its most important application is in safety matches . [ 6 ] In other applications it... | https://en.wikipedia.org/wiki/KClO3 |
Potassium perchlorate is the inorganic salt with the chemical formula K Cl O 4 . Like other perchlorates , this salt is a strong oxidizer when the solid is heated at high temperature although it usually reacts very slowly in solution with reducing agents or organic substances. This colorless crystalline solid is a comm... | https://en.wikipedia.org/wiki/KClO4 |
KDE Frameworks is a collection of libraries and software frameworks readily available to any Qt -based software stacks or applications on multiple operating systems . [ 6 ] Featuring frequently needed functionality solutions like hardware integration, file format support, additional graphical control elements , plottin... | https://en.wikipedia.org/wiki/KDE_Frameworks |
The KDE Gear is a set of applications and supporting libraries that are developed by the KDE community , [ 3 ] primarily used on Linux -based operating systems but mostly multiplatform, and released on a common release schedule.
The bundle is composed of over 200 applications. Examples of prominent applications in the... | https://en.wikipedia.org/wiki/KDE_Gear |
KDE Platform 4 was a collection of libraries and software frameworks by KDE that served as technological foundation for KDE Software Compilation 4 distributed under the GNU Lesser General Public License (LGPL). KDE Platform 4 was the successor to KDElibs and the predecessor of KDE Frameworks . KDE Platform 4 is the onl... | https://en.wikipedia.org/wiki/KDE_Platform_4 |
KEGG ( Kyoto Encyclopedia of Genes and Genomes ) is a collection of databases dealing with genomes , biological pathways , diseases , drugs , and chemical substances . KEGG is utilized for bioinformatics research and education, including data analysis in genomics , metagenomics , metabolomics and other omics studies, m... | https://en.wikipedia.org/wiki/KEGG |
KENTORT II is an above-ground shale oil extraction process developed by the Center for Applied Energy Research of the University of Kentucky . It is a hot recycled solids fluidized bed retorting process developed since 1982 for processing the eastern United States Devonian oil shales . [ 1 ] [ 2 ] The concept of this p... | https://en.wikipedia.org/wiki/KENTORT_II |
The Industrial & Systems Engineering Program offers a Bachelor of Science degree in industrial engineering at the King Fahd University of Petroleum & Minerals (KFUPM) in the Kingdom of Saudi Arabia. With a total of 133 credit hours, the program covers the major areas of industrial engineering, such as operations resear... | https://en.wikipedia.org/wiki/KFUPM_Program_of_Industrial_and_Systems_Engineering |
Monopotassium phosphate ( MKP ) (also, potassium dihydrogen phosphate , KDP , or monobasic potassium phosphate ) is the inorganic compound with the formula KH 2 PO 4 . Together with dipotassium phosphate (K 2 HPO 4 . (H 2 O) x ) it is often used as a fertilizer , food additive , and buffering agent . The salt often co... | https://en.wikipedia.org/wiki/KH2PO4 |
Potassium formate , HCO 2 K, HCOOK, or KHCO 2 , is the potassium salt of formic acid . This strongly hygroscopic white solid [ 2 ] is an intermediate in the formate potash process for the production of potassium. [ 3 ] Potassium formate has also been studied as a potential environmentally friendly deicing salt for use... | https://en.wikipedia.org/wiki/KHCO2 |
6.351 (carbonic acid) [ 2 ]
Potassium bicarbonate ( IUPAC name : potassium hydrogencarbonate , also known as potassium acid carbonate ) is the inorganic compound with the chemical formula KHCO 3 . It is a white solid. [ 1 ]
It is manufactured by treating an aqueous solution of potassium carbonate or potassium hydroxi... | https://en.wikipedia.org/wiki/KHCO3 |
Potassium bifluoride is the inorganic compound with the formula K[HF 2 ] . This colourless salt consists of the potassium cation ( K + ) and the bifluoride anion ( [HF 2 ] − ). The salt is used as an etchant for glass. Sodium bifluoride is related and is also of commercial use as an etchant as well as in cleaning produ... | https://en.wikipedia.org/wiki/KHF2 |
Potassium bisulfate ( potassium bisulphate ) is an inorganic compound with the chemical formula KHSO 4 and is the potassium acid salt of sulfuric acid . It is a white, water-soluble solid.
More than 1 million tons were produced in 1985 as the initial stage in the Mannheim process for producing potassium sulfate. The r... | https://en.wikipedia.org/wiki/KHSO4 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.