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5-Diphosphomevalonic acid (or mevalonate-5-pyrophosphate , or 5-pyrophosphomevalonate ) is an intermediate in the mevalonate pathway .
This biochemistry article is a stub . You can help Wikipedia by expanding it . | https://en.wikipedia.org/wiki/5-Diphosphomevalonic_acid |
5-Fluoroorotic acid ( 5FOA ) is a fluorinated derivative of the pyrimidine precursor orotic acid . It is used in yeast genetics to select for the absence of the URA3 gene, which encodes the enzyme for the decarboxylation of 5-fluoroorotic acid to 5-fluorouracil , a toxic metabolite. [ 1 ] It has also been used in diato... | https://en.wikipedia.org/wiki/5-Fluoroorotic_acid |
5-Formiminotetrahydrofolate is an intermediate in the catabolism of histidine . It is produced by glutamate formimidoyltransferase and then converted into 5,10-methenyltetrahydrofolate by formiminotransferase cyclodeaminase . [ 1 ]
This biochemistry article is a stub . You can help Wikipedia by expanding it . | https://en.wikipedia.org/wiki/5-Formiminotetrahydrofolate |
The 5-HT 1 receptors are a subfamily of the 5-HT serotonin receptors that bind to the endogenous neurotransmitter serotonin (also known as 5-hydroxytryptamine, or 5-HT). [ 1 ] The 5-HT 1 subfamily consists of five G protein-coupled receptors (GPCRs) that share 40% to 63% overall sequence homology, including 5-HT 1A , 5... | https://en.wikipedia.org/wiki/5-HT1_receptor |
5-Hydroxyeicosatetraenoic acid ( 5-HETE , 5( S )-HETE , or 5 S -HETE ) is an eicosanoid , i.e. a metabolite of arachidonic acid . It is produced by diverse cell types in humans and other animal species. These cells may then metabolize the formed 5( S )-HETE to 5-oxo-eicosatetraenoic acid (5-oxo-ETE), 5( S ),15( S )-dih... | https://en.wikipedia.org/wiki/5-Hydroxyeicosatetraenoic_acid |
5-Methylchrysene is a polycyclic aromatic hydrocarbon (PAH) with a molecular weight of 242.3 g/mol and melting point of 117.5 °C (243.5°F). The chemical formula of it is C 19 H 14 . It has a vapour pressure of 0.00000025 mmHg. It can cause cancer according to an independent committee of scientific and health experts ( ... | https://en.wikipedia.org/wiki/5-Methylchrysene |
5-Methylcytosine ( 5mC ) is a methylated form of the DNA base cytosine (C) that regulates gene transcription and takes several other biological roles. [ 1 ] When cytosine is methylated, the DNA maintains the same sequence, but the expression of methylated genes can be altered (the study of this is part of the field of ... | https://en.wikipedia.org/wiki/5-Methylcytosine |
5-Methyluridine triphosphate or m 5 UTP is one of five nucleoside triphosphates . [ 1 ] It is the ribonucleoside triphosphate of thymidine , but the nomenclature with "5-methyluridine" is used because the term thymidine triphosphate is used for the deoxyribonucleoside by convention. [ 2 ]
This biochemistry article is ... | https://en.wikipedia.org/wiki/5-Methyluridine_triphosphate |
5-Oxo-eicosatetraenoic acid (i.e. 5-oxo-6 E ,8 Z ,11 Z ,14 Z -eicosatetraenoic acid; also termed 5-oxo-ETE and 5-oxoETE ) is a nonclassic eicosanoid metabolite of arachidonic acid and the most potent naturally occurring member of the 5-HETE family of cell signaling agents. Like other cell signaling agents, 5-oxo-ETE is... | https://en.wikipedia.org/wiki/5-Oxo-eicosatetraenoic_acid |
ETAOI keyboard is a text input software for touch screen-reliant devices. It is based on ETAOI method for coding.
The keyboard uses five keys. [ 1 ] Characters and signs are typed using single and multiple taps, or slides. [ 2 ] There are unique combinations of taps and slides for each character.
With no upper limit ... | https://en.wikipedia.org/wiki/5-Tiles |
500 Women Scientists is a non-profit group dedicated to making science open, inclusive, and accessible. [ 1 ] [ 2 ] To achieve this mission, they work to increase scientific literacy through public engagement, advocate for science and equity, and provide self-identifying women with the tools and support they need to re... | https://en.wikipedia.org/wiki/500_Women_Scientists |
The 505(b)(2) regulatory pathway is a process for submitting a specific new drug application (NDA) with the Food and Drug Administration in the United States. It is designed for complex generic or biosimilar medications that can share historical public data from a drug that has been previously approved, therefore strea... | https://en.wikipedia.org/wiki/505(b)(2)_regulatory_pathway |
54598 Bienor / b aɪ ˈ iː n ɔːr / is a centaur that grazes the orbit of Uranus . It is named after the mythological centaur Bienor . Its closest approach to the Sun ( perihelion ) is 13.2 AU. [ 2 ] As of 2020 [update] , Bienor is 14.2 AU from the Sun [ 8 ] and will reach perihelion in January 2028. [ 2 ] It measured app... | https://en.wikipedia.org/wiki/54598_Bienor |
In mathematics , the 57-cell ( pentacontaheptachoron ) is a self-dual abstract regular 4-polytope ( four-dimensional polytope ). Its 57 cells are hemi-dodecahedra . It also has 57 vertices, 171 edges and 171 two-dimensional faces.
The symmetry order is 3420, from the product of the number of cells (57) and the symmetr... | https://en.wikipedia.org/wiki/57-cell |
The 5DX was an automated X-ray inspection robot, which belonged to the set of automated test equipment robots and industrial robots utilizing machine vision . The 5DX was manufactured by Hewlett Packard , then later Agilent Technologies when HP was split into Hewlett Packard and Agilent Technologies in 1999. The 5DX... | https://en.wikipedia.org/wiki/5DX |
5G Broadcast ( 5GB ), officially known as LTE-based 5G Terrestrial Broadcast , is a system for the distribution of television and other broadcast media content via terrestrial radio broadcast networks based on downlink-only LTE technology. [ 1 ] [ 2 ]
5G Broadcast focuses mainly on mobile use cases like smartphones an... | https://en.wikipedia.org/wiki/5G_Broadcast |
Misinformation related to 5G technology is widespread in many countries of the world. The spreading of false information and conspiracy theories has also been propagated by the general public and celebrities. In social media, misinformation related to 5G has been presented as facts, and circulated extensively. [ 1 ] Th... | https://en.wikipedia.org/wiki/5G_conspiracy_theories |
5S ( Five S ) is a workplace organization method that uses a list of five Japanese words: seiri ( 整理 ) , seiton ( 整頓 ) , seisō ( 清掃 ) , seiketsu ( 清潔 ) , and shitsuke ( 躾 ) . These have been translated [ by whom? ] as 'sort', 'set in order', 'shine', 'standardize', and 'sustain'. [ 1 ] The list describes how to organiz... | https://en.wikipedia.org/wiki/5S_(methodology) |
5α-Dihydrolevonorgestrel ( 5α-DHLNG ) is an active metabolite of the progestin levonorgestrel which is formed by 5α-reductase . [ 1 ] [ 2 ] It has about one-third of the affinity of levonorgestrel for the progesterone receptor . [ 1 ] In contrast to levonorgestrel, the compound has both progestogenic and antiprogestoge... | https://en.wikipedia.org/wiki/5α-Dihydrolevonorgestrel |
5α-Reductases , also known as 3-oxo-5α-steroid 4-dehydrogenases , are enzymes involved in steroid metabolism. They participate in three metabolic pathways : bile acid biosynthesis, androgen and estrogen metabolism. There are three isozymes of 5α-reductase encoded by the genes SRD5A1 , SRD5A2 , and SRD5A3 .
5α-Reducta... | https://en.wikipedia.org/wiki/5α-Reductase |
6,7-Dimethyl-8-ribityllumazine is a precursor for riboflavin . It is acted upon by riboflavin synthase .
This biochemistry article is a stub . You can help Wikipedia by expanding it . | https://en.wikipedia.org/wiki/6,7-Dimethyl-8-ribityllumazine |
6-(Methylsulfinyl)hexyl isothiocyanate ( 6-MITC or 6-MSITC ) is a compound within the isothiocyanate group of organosulfur compounds . 6-MITC is obtained from cruciferous vegetables , chiefly wasabi . Like other isothiocyanates, it is produced when the enzyme myrosinase transforms the associated glucosinolate into 6-M... | https://en.wikipedia.org/wiki/6-(Methylsulfinyl)hexyl_isothiocyanate |
6-Methylisoxanthopterin ( 6MI ) is a base analog for the nucleotide guanine . It is useful as a fluorescent indicator because unlike most other base analogs, quenching does not occur when it is incorporated into a double helix. In fact, it exhibits a 3 to 4-fold increase in quantum yield when it is incorporated into a ... | https://en.wikipedia.org/wiki/6-Methylisoxanthopterin |
6-Phosphogluconic acid (with conjugate base 6-phosphogluconate ) is a phosphorylated sugar acid which appears in the pentose phosphate pathway and the Entner–Doudoroff pathway .
During the oxidative phase of the pentose phosphate pathway, it is formed from 6-phosphogluconolactone by 6-phosphogluconolactonase , and in ... | https://en.wikipedia.org/wiki/6-Phosphogluconic_acid |
6-Phosphogluconolactone is an intermediate in the pentose phosphate pathway (PPP).
In the PPP pathway, it is produced from glucose-6-phosphate by glucose-6-phosphate dehydrogenase . It is then converted to 6-Phosphogluconic acid by 6-phosphogluconolactonase .
This biochemistry article is a stub . You can help Wikiped... | https://en.wikipedia.org/wiki/6-Phosphogluconolactone |
Wigner's 6- j symbols were introduced by Eugene Paul Wigner in 1940 and published in 1965. They are defined as a sum over products of four Wigner 3- j symbols ,
The summation is over all six m i allowed by the selection rules of the 3- j symbols.
They are closely related to the Racah W-coefficients , which are used ... | https://en.wikipedia.org/wiki/6-j_symbol |
The 601 Engineer Grouping ( Agr Ing 601 ) is an Argentine Army Engineer grouping. It is based at Campo de Mayo Army Garrison. [ 1 ] [ 2 ]
Source [ 2 ]
In 2019, the Ministry of Defense supplied the 601 Engineer Grouping with heavy equipment , water treatment plants, pneumatic machines and tools, New Holland D-180C bul... | https://en.wikipedia.org/wiki/601st_Engineer_Grouping_(Argentina) |
6174 (six thousand, one hundred [and] seventy-four) is the natural number following 6173 and preceding 6175.
The natural integer 6174 is known as Kaprekar's constant, [ 1 ] [ 2 ] [ 3 ] after the Indian mathematician D. R. Kaprekar . This number is notable for the following curious behavior:
This process, known as Kap... | https://en.wikipedia.org/wiki/6174 |
67N6E GAMMA DE is a 3D radar system developed by VNIIRT for the Russian Armed Forces . It is a mobile UHF L band Active electronically scanned array for the purpose of air defense support. [ 1 ] [ 2 ]
This Russian military article is a stub . You can help Wikipedia by expanding it . | https://en.wikipedia.org/wiki/67N6E |
In statistics , the 68–95–99.7 rule , also known as the empirical rule , and sometimes abbreviated 3sr or 3 σ , is a shorthand used to remember the percentage of values that lie within an interval estimate in a normal distribution : approximately 68%, 95%, and 99.7% of the values lie within one, two, and three standard... | https://en.wikipedia.org/wiki/68–95–99.7_rule |
6:2-fluorotelomersulfonic acid ( 6:2-FTS ) is a chemical compound that belongs to the group of fluorotelomersulfonic acids within the broader class of per- and polyfluorinated alkyl compounds (PFAS). Due to its structural similarity to perfluorooctanesulfonic acid (PFOS), it is also called H 4 PFOS. [ 2 ]
6:2-Fluorote... | https://en.wikipedia.org/wiki/6:2-Fluorotelomersulfonic_acid |
6PPD is an organic chemical widely used as stabilising additive (or antidegradant) in rubbers, such as NR , SBR and BR ; all of which are common in vehicle tires. [ 1 ] Although it is an effective antioxidant it is primarily used because of its excellent antiozonant performance. It is one of several antiozonants based... | https://en.wikipedia.org/wiki/6PPD |
6Q0B44E , sometimes abbreviated to B44E , is a small object that was discovered orbiting Earth outside the orbit of the Moon in August 2006. It was observed until March 2007, at which point it was lost . It is likely, though unproven, that the same object was re-discovered as XL8D89E , which was observed between 2015 a... | https://en.wikipedia.org/wiki/6Q0B44E |
7,12-Dimethylbenz[ a ]anthracene ( DMBA ) is an immunosuppressor and a powerful organ-specific laboratory carcinogen . [ 2 ] DMBA is widely used in many research laboratories studying cancer. DMBA serves as a tumor initiator . Tumor promotion can be induced with treatments of 12- O -tetradecanoylphorbol-13-acetate (TPA... | https://en.wikipedia.org/wiki/7,12-Dimethylbenz(a)anthracene |
7-Aminoactinomycin D ( 7-AAD ) is a fluorescent chemical compound with a strong affinity for DNA . It is used as a fluorescent marker for DNA in fluorescence microscopy and flow cytometry . It intercalates in double-stranded DNA, with a high affinity for GC-rich regions, [ 2 ] making it useful for chromosome banding ... | https://en.wikipedia.org/wiki/7-Aminoactinomycin_D |
7-Chlorokynurenic acid ( 7-CKA ) is a tool compound that acts as a potent and selective competitive antagonist of the glycine site of the NMDA receptor . [ 1 ] It produces ketamine -like rapid antidepressant effects in animal models of depression . [ 2 ] [ 3 ] However, 7-CKA is unable to cross the blood-brain-barrier ,... | https://en.wikipedia.org/wiki/7-Chlorokynurenic_acid |
7-Dehydrositosterol is a sterol which serves as a precursor for sitocalciferol ( vitamin D 5 ).
This biochemistry article is a stub . You can help Wikipedia by expanding it . | https://en.wikipedia.org/wiki/7-Dehydrositosterol |
7-Methyl-1,5,7-triazabicyclo[4.4.0]dec-5-ene ( mTBD ) is a bicyclic strong guanidine base (p K a = 25.43 in CH 3 CN and p K a = 17.9 in THF ). [ 3 ] mTBD, like 1,5,7-triazabicyclo[4.4.0]dec-5-ene and other guanidine super bases, can be used as a catalyst in a variety of chemical reactions. [ 4 ] It also reacts with CO ... | https://en.wikipedia.org/wiki/7-Methyl-1,5,7-triazabicyclo(4.4.0)dec-5-ene |
7-Methylguanosine ( m 7 G ) is a modified purine nucleoside . It is a methylated version of guanosine and when found in human urine, it may be a biomarker of some types of cancer. In the RNAs , 7-methylguanosine have been used to study and examine the reaction evolving methylguanosine. It also participates in the for... | https://en.wikipedia.org/wiki/7-Methylguanosine |
The 7 post shaker is a piece of test equipment used to perform technical analysis on race cars. By applying shaking forces the shaker can emulate banking loads, lateral load transfer, longitudinal weight transfer and ride height sensitive downforce to emulate specific racetracks.
The 7 post shaker is used for many ve... | https://en.wikipedia.org/wiki/7_post_shaker |
In computing and electronic systems, binary-coded decimal ( BCD ) is a class of binary encodings of decimal numbers where each digit is represented by a fixed number of bits , usually four or eight. Sometimes, special bit patterns are used for a sign or other indications (e.g. error or overflow).
In byte -oriented sys... | https://en.wikipedia.org/wiki/8-4-2-1_code |
8-Hydroxyguanosine is an RNA nucleoside which is an oxidative derivative of guanosine . Measurement of the levels of 8-hydroxyguanosine is used as a biomarker of oxidative stress causing RNA damage. [ 1 ]
This biochemistry article is a stub . You can help Wikipedia by expanding it . | https://en.wikipedia.org/wiki/8-Hydroxyguanosine |
The 833 cents scale is a musical tuning and scale proposed by Heinz Bohlen [ clarification needed ] based on combination tones , an interval of 833.09 cents , and, coincidentally, the Fibonacci sequence . [ 1 ] The golden ratio is φ = 1 + 5 2 = 1.6180339887 … {\textstyle \varphi ={\frac {1+{\sqrt {5}}}{2}}=1.6180339887... | https://en.wikipedia.org/wiki/833_cents_scale |
842 , 8-4-2 , or EFT is a data compression algorithm . It is a variation on Lempel–Ziv compression with a limited dictionary length. With typical data, 842 gives 80 to 90 percent of the compression of LZ77 with much faster throughput and less memory use. [ 1 ] Hardware implementations also provide minimal use of energy... | https://en.wikipedia.org/wiki/842_(compression_algorithm) |
Speed limits on road traffic, as used in most countries, set the legal maximum speed at which vehicles may travel on a given stretch of road. [ 1 ] Speed limits are generally indicated on a traffic sign reflecting the maximum permitted speed, expressed as kilometres per hour (km/h) or miles per hour (mph) or both. Spee... | https://en.wikipedia.org/wiki/85th_percentile_speed |
9-Borabicyclo[3.3.1]nonane or 9-BBN is an organoborane compound. This colourless solid is used in organic chemistry as a hydroboration reagent . The compound exists as a hydride-bridged dimer, which easily cleaves in the presence of reducible substrates. [ 1 ] 9-BBN is also known by its nickname 'banana borane'. [ 2 ] ... | https://en.wikipedia.org/wiki/9-Borabicyclo(3.3.1)nonane |
9-Crown-3 , also called 1,4,7-trioxonane or 1,4,7-trioxacyclononane is a crown ether with the formula (C 2 H 4 O) 3 . A colorless liquid, it is obtained in low yield by the acid-catalyzed oligomerization of ethylene oxide . [ 1 ]
In contrast to larger crown ethers ( 12-crown-4 , and 18-crown-6 ), 9-crown-3 has elicit... | https://en.wikipedia.org/wiki/9-Crown-3 |
In physics, Wigner's 9- j symbols were introduced by Eugene Paul Wigner in 1937. They are related to recoupling coefficients in quantum mechanics involving four angular momenta:
( 2 j 3 + 1 ) ( 2 j 6 + 1 ) ( 2 j 7 + 1 ) ( 2 j 8 + 1 ) { j 1 j 2 j 3 j 4 j 5 j 6 j 7 j 8 j 9 } {\displaystyle {\sqrt {(2j_{3}+1)(2j_{6}+1)(2... | https://en.wikipedia.org/wiki/9-j_symbol |
Since 2006, the document archive website WikiLeaks has published anonymous submissions of documents that are typically unavailable to the general public .
WikiLeaks posted its first document in December 2006, a decision to assassinate government officials, signed by Sheikh Hassan Dahir Aweys . [ 1 ] The New Yorker has... | https://en.wikipedia.org/wiki/9/11_pager_messages |
The 96P sungrazer family is a small group of sungrazing comets , originating from the comet 96P/Machholz . It is only observed by LASCO corongraphs aboard SOHO ( So lar and H eliospheric O bservatory) probe. It contains three subgroups: Marsden, Kracht and Kracht II.
96P type is the rarest among all objects recorded b... | https://en.wikipedia.org/wiki/96P_sungrazer_family |
In probability and statistics , the 97.5th percentile point of the standard normal distribution is a number commonly used for statistical calculations. The approximate value of this number is 1.96 , meaning that 95% of the area under a normal curve lies within approximately 1.96 standard deviations of the mean . Becaus... | https://en.wikipedia.org/wiki/97.5th_percentile_point |
Technetium-99 ( 99 Tc ) is an isotope of technetium that decays with a half-life of 211,000 years to stable ruthenium-99 , emitting beta particles , but no gamma rays. It is the most significant long-lived fission product of uranium fission, producing the largest fraction of the total long-lived radiation emissions of ... | https://en.wikipedia.org/wiki/99Tc |
Technetium-99m ( 99m Tc) is a metastable nuclear isomer of technetium-99 (itself an isotope of technetium ), symbolized as 99m Tc, that is used in tens of millions of medical diagnostic procedures annually, making it the most commonly used medical radioisotope in the world.
Technetium-99m is used as a radioactive trac... | https://en.wikipedia.org/wiki/99mTc |
An A-center is a type of crystallographic defect complex in silicon which consists of a vacancy defect and an impurity oxygen atom.
In general, oxygen in silicon is interstitial, in which the oxygen atom breaks the covalent bond between two adjacent silicon atoms and is attached in the middle. A-centers - another type... | https://en.wikipedia.org/wiki/A-center |
An A-frame is a basic structure designed to bear a load in a lightweight economical manner. The simplest form of an A-frame is two similarly sized beams , arranged in an angle of 45 degrees or less, attached at the top, like an uppercase letter 'A'. These materials are often wooden or steel beams attached at the top by... | https://en.wikipedia.org/wiki/A-frame |
An A-law algorithm is a standard companding algorithm, used in European 8-bit PCM digital communications systems to optimize, i.e. modify, the dynamic range of an analog signal for digitizing. It is one of the two companding algorithms in the G.711 standard from ITU-T , the other being the similar μ-law , used in North... | https://en.wikipedia.org/wiki/A-law_algorithm |
A-weighting is a form of frequency weighting and the most commonly used of a family of curves defined in the International standard IEC 61672:2003 and various national standards relating to the measurement of sound pressure level . [ 1 ] A-weighting is applied to instrument-measured sound levels in an effort to account... | https://en.wikipedia.org/wiki/A-weighting |
The Lifetime Achievement Award was first presented in 1994 to honor major long-term achievements in the fields of limnology and oceanography , including research, education and service to the community and society. In 2004, the Association for the Sciences of Limnology and Oceanography board renamed the award in honor ... | https://en.wikipedia.org/wiki/A.C._Redfield_Lifetime_Achievement_Award |
The A.G. Huntsman Award for Excellence in the Marine Sciences was established in 1980 by the Canadian marine science community to recognize excellence of research and outstanding contributions to marine sciences . [ 1 ] It is presented by the Royal Society of Canada . [ 2 ] The award honours marine scientists of any na... | https://en.wikipedia.org/wiki/A.G._Huntsman_Award_for_Excellence_in_the_Marine_Sciences |
Adrianus Johannes "Han" Vinck (born 15 May 1949, in Breda ) [ 1 ] is a Dutch computer scientist . He serves as senior professor in Digital Communications at the University of Duisburg-Essen , Germany, since September 2014. He is a member of the digital signal processing group at the electrical engineering Department. ... | https://en.wikipedia.org/wiki/A.J._Han_Vinck |
The A. A. Griffith Medal and Prize was awarded annually from 1965 to 2021 by the Institute of Materials, Minerals and Mining in commemoration of Alan Arnold Griffith . [ 1 ]
The award was established by the Materials Science Club of Great Britain in 1965, two years after its formation in 1963. Modern materials science... | https://en.wikipedia.org/wiki/A._A._Griffith_Medal_and_Prize |
Amyand David Buckingham CBE FRS FAA (28 January 1930 in Pymble, New South Wales – 4 February 2021) was an Australian chemist, with primary expertise in chemical physics . [ 2 ] [ 3 ] [ 4 ]
David Buckingham obtained a Bachelor of Science and Master of Science , under Professor Raymond Le Fevre , [ 5 ] from the Univers... | https://en.wikipedia.org/wiki/A._David_Buckingham |
A. Hari Reddi (born October 20, 1942) is a University of California Distinguished Professor and inaugural holder of the Lawrence J. Ellison Endowed Chair in Musculoskeletal Molecular Biology at the University of California, Davis . [ 1 ] His research played an indispensable role in the identification, isolation and pur... | https://en.wikipedia.org/wiki/A._Hari_Reddi |
Akhoury Purnendu Bhusan Sinha (23 September 1928 – 4 July 2021) was an Indian solid state chemist who was the head of the Physical Chemistry Division of the National Chemical Laboratory , Pune. [ 1 ] He is known for his theories on semiconductors and his studies on synthesis of manganites . [ 2 ] He was an elected fell... | https://en.wikipedia.org/wiki/A._P._B._Sinha |
Arthur William Duncan FCS (1856 – 23 July 1946) was an English-Australian analytical chemist and vegetarianism activist.
Duncan was born in Hull , Yorkshire. He became a vegetarian as a young man through reading the work of T. L. Nichols . [ 1 ] He contacted R. Bailey Walker and joined the Vegetarian Society in 1877. ... | https://en.wikipedia.org/wiki/A._W._Duncan |
The A15 phases (also known as β-W or Cr 3 Si structure types) are series of intermetallic compounds with the chemical formula A 3 B (where A is a transition metal and B can be any element ) and a specific structure. The A15 phase is also one of the members in the Frank–Kasper phases family. [ 1 ] Many of these compound... | https://en.wikipedia.org/wiki/A15_phases |
The A 3 coupling (also known as A 3 coupling reaction or the aldehyde-alkyne-amine reaction ), coined by Prof. Chao-Jun Li of McGill University, is a type of multicomponent reaction involving an aldehyde , an alkyne and an amine which react to give a propargyl amine . [ 1 ] [ 2 ] [ 3 ] [ 4 ] [ 5 ]
The reaction proceed... | https://en.wikipedia.org/wiki/A3_coupling_reaction |
ASTM A572 steel is a common high strength, low alloy (HSLA) structural steel used in the United States. [ 1 ] A572 steel properties are specified by ASTM International standards. [ 2 ]
A572 steel has five different grades: 42, 50, 55, 60 and 65. [ 2 ] Each of these grades differ in their mechanical properties and chem... | https://en.wikipedia.org/wiki/A572_steel |
AAALAC International is a private, nonprofit organization headquartered in Frederick, Maryland , that promotes the humane treatment of animals in science through voluntary accreditation and assessment programs. [ 1 ] [ 2 ] The accreditation program started in 1965, when some veterinarians and researchers organized the ... | https://en.wikipedia.org/wiki/AAALAC_International |
The AAAS Award for Scientific Freedom and Responsibility is given by the American Association for the Advancement of Science and honours scientists and engineers whose exemplary actions, often taken at significant personal cost, have served to foster scientific freedom and responsibility and increased scientific awaren... | https://en.wikipedia.org/wiki/AAAS_Award_for_Scientific_Freedom_and_Responsibility |
The AAAS Philip Hauge Abelson Prize is awarded by The American Association for the Advancement of Science for public servants, recognized for sustained exceptional contributions to advancing science or scientists, whose career has been distinguished both for scientific achievement and for other notable services to the ... | https://en.wikipedia.org/wiki/AAAS_Philip_Hauge_Abelson_Prize |
AACE International (Association for the Advancement of Cost Engineering ) was founded in 1956 by 59 cost estimators and cost engineers during the organizational meeting of the American Association of Cost Engineering at the University of New Hampshire in Durham , New Hampshire . AACE International Headquarters is loca... | https://en.wikipedia.org/wiki/AACE_International |
The AAG Gold Medal is the highest award given by the international Association of Applied Geochemists (AAG). It recognizes recipients' lifetime achievements , or significant contributions to geochemistry and its applications. The medal is minted with the name of the recipient and the year of the award from two troy oun... | https://en.wikipedia.org/wiki/AAG_Gold_Medal |
The ABB Research Award in Honor of Hubertus von Gruenberg is named after Dr. Hubertus von Gruenberg, who was the Chairman of the Board of Directors of the technology company ABB from 2007 to 2015. [ 1 ]
Awarded every three years, the prize is endowed with a research grant of US$300,000. [ 2 ] The prize is awarded to a... | https://en.wikipedia.org/wiki/ABB_Research_Award_in_honor_of_Hubertus_von_Gruenberg |
ABB Group is a Swedish-Swiss [ 7 ] [ 8 ] [ 9 ] multinational electrical engineering corporation. Incorporated in Switzerland as ABB Ltd. , and headquartered in Zurich , it is dual-listed on the Nasdaq Nordic exchange in Stockholm , Sweden, and the SIX Swiss Exchange in Zurich. [ 10 ] ABB was ranked 340th in the Fortune... | https://en.wikipedia.org/wiki/ABB_Robotics |
ABC@Home was an educational and non-profit network computing project finding abc-triples related to the abc conjecture in number theory using the Berkeley Open Infrastructure for Network Computing (BOINC) volunteer computing platform.
In March 2011, there were more than 7,300 active participants from 114 countries wit... | https://en.wikipedia.org/wiki/ABC@Home |
The Access to Biological Collections Data ( ABCD ) schema is a highly structured data exchange and access model for taxon occurrence data (specimens, observations, etc. of living organisms), i.e. primary biodiversity data.
In 2006, an 'Extension For Geosciences' was added to the schema , to form the ABCDEFG Schema, [ ... | https://en.wikipedia.org/wiki/ABCD_Schema |
ABCdb is a biological database for the adenosine triphosphate-binding cassette (ABC) transporters encoded by completely sequenced archaeal and bacterial genomes . These proteins are important for transporting substances into cells and are found in all living organisms.
Most ABC systems function in the transport of a c... | https://en.wikipedia.org/wiki/ABCdb |
ABINIT is an open-source suite of programs for materials science , distributed under the GNU General Public License . ABINIT implements density functional theory , using a plane wave basis set and pseudopotentials , to compute the electronic density and derived properties of materials ranging from molecules to surfaces... | https://en.wikipedia.org/wiki/ABINIT |
ABISMO ( A utomatic B ottom I nspection and S ampling Mo bile) is a remotely operated underwater vehicle (ROV) built by the Japan Agency for Marine-Earth Science and Technology (JAMSTEC) for exploration of the deep sea . It is the only remaining ROV rated to 11,000-meters (after Nereus , built and operated by the Woods... | https://en.wikipedia.org/wiki/ABISMO |
SOLiD (Sequencing by Oligonucleotide Ligation and Detection) is a next-generation DNA sequencing technology developed by Life Technologies and has been commercially available since 2006. This next generation technology generates 10 8 - 10 9 small sequence reads at one time. It uses 2 base encoding to decode the raw dat... | https://en.wikipedia.org/wiki/ABI_Solid_Sequencing |
A Broadband Imaging X-ray All-sky Survey , or ABRIXAS , was a space-based German X-ray telescope . It was launched on 28 April 1999 in a Kosmos-3M launch vehicle from Kapustin Yar , Russia , into Earth orbit . The orbit had a periapsis of 549.0 kilometres (341.1 mi), an apoapsis of 598.0 kilometres (371.6 mi), an incli... | https://en.wikipedia.org/wiki/ABRIXAS |
ABS methods , where the acronym contains the initials of Jozsef Abaffy, Charles G. Broyden and Emilio Spedicato , have been developed since 1981 to generate a large class of algorithms for the following applications:
At the beginning of 2007 ABS literature consisted of over 400 papers and reports and two monographs, o... | https://en.wikipedia.org/wiki/ABS_methods |
In biochemistry , ABTS ( 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) ) is a chemical compound used to observe the reaction kinetics of specific enzymes . A common use for it is in the enzyme-linked immunosorbent assay (ELISA) to detect the binding of molecules to each other.
It is commonly used as a substr... | https://en.wikipedia.org/wiki/ABTS |
An AC/DC receiver design is a style of power supply of vacuum tube radio or television receivers that eliminated the bulky and expensive mains transformer. A side-effect of the design was that the receiver could in principle operate from a DC supply as well as an AC supply. Consequently, they were known as "AC/DC recei... | https://en.wikipedia.org/wiki/AC/DC_receiver_design |
In aviation , ACARS ( / ˈ eɪ k ɑːr z / ; an acronym for Aircraft Communications Addressing and Reporting System ) is a digital datalink system for transmission of short messages between aircraft and ground stations via airband radio or satellite . The protocol was designed by ARINC and deployed in 1978, [ 1 ] using the... | https://en.wikipedia.org/wiki/ACARS |
ACD/ChemSketch is a molecular modeling program used to create and modify images of chemical structures . The software allows for the importation and display of molecules and molecular models displayed in two and three dimensions. [ 1 ]
ACD/ChemSketch allows for both basic structure drawing and importation of 3D and 2D... | https://en.wikipedia.org/wiki/ACD/ChemSketch |
Aces II ( A dvanced C oncepts in E lectronic S tructure Theory) is an ab initio computational chemistry package for performing high-level quantum chemical ab initio calculations. Its major strength is the accurate calculation of atomic and molecular energies as well as properties using many-body techniques such as many... | https://en.wikipedia.org/wiki/ACES_(computational_chemistry) |
ACE ( ACE – a collaborative editor ) is a platform-independent, collaborative real-time editor . It is a real-time cooperative editing system that allows multiple geographically dispersed users to view and edit a shared text document at the same time.
ACE is a simple text editor with standard features such as copy/pas... | https://en.wikipedia.org/wiki/ACE_(editor) |
ACS Applied Energy Materials is a monthly peer-reviewed scientific journal that was established in 2018 by the American Chemical Society . It covers aspects of materials, engineering, chemistry, physics, and biology relevant to sustainable applications in energy conversion and storage. The editor in chief is Kirk S. Sc... | https://en.wikipedia.org/wiki/ACS_Applied_Energy_Materials |
ACS Applied Materials & Interfaces is a peer-reviewed scientific journal that was established in 2009 by the American Chemical Society . Originally published monthly, the journal became biweekly in 2013 and weekly in 2015. The current editor-in-chief is Xing Yi Ling ( Nanyang Technological University ). The journal cov... | https://en.wikipedia.org/wiki/ACS_Applied_Materials_&_Interfaces |
ACS Catalysis is a monthly peer-reviewed scientific journal established in 2011 by the American Chemical Society . The journal covers research on all aspects of heterogeneous , homogeneous , and biocatalysis . [ 1 ] The editor-in-chief is Cathleen Crudden , who assumed the position in early 2021. [ 2 ] The journal rece... | https://en.wikipedia.org/wiki/ACS_Catalysis |
ACS Combinatorial Science (usually abbreviated as ACS Comb. Sci. ), formerly Journal of Combinatorial Chemistry (1999-2010), was a peer-reviewed scientific journal , published since 1999 by the American Chemical Society . ACS Combinatorial Science publishes articles, reviews, perspectives, accounts and reports in the f... | https://en.wikipedia.org/wiki/ACS_Combinatorial_Science |
ACS Medicinal Chemistry Letters is a monthly peer-reviewed scientific journal covering medicinal chemistry . It was established in 2009 and is published by the American Chemical Society . The editor-in-chief is Dennis C. Liotta ( Emory University ).
According to the Journal Citation Reports , the journal has a 2021 im... | https://en.wikipedia.org/wiki/ACS_Medicinal_Chemistry_Letters |
ACS Sustainable Chemistry & Engineering is a weekly peer-reviewed scientific journal published by the American Chemical Society . [ 1 ] [ 2 ] It covers research in green chemistry , green engineering , biomass , alternative energy , and life cycle assessment . [ 3 ] According to Journal Citation Reports , the journal h... | https://en.wikipedia.org/wiki/ACS_Sustainable_Chemistry_&_Engineering |
ACS Synthetic Biology is a peer-reviewed scientific journal published by the American Chemical Society . It began publishing accepted articles in the Fall of 2011, with the first full monthly issue published in January 2012. [ 1 ] It covers all aspects of synthetic biology , including molecular, systems , and synthetic... | https://en.wikipedia.org/wiki/ACS_Synthetic_Biology |
The ACS Style is a set of standards for writing documents relating to chemistry, including a standard method of citation in academic publications , developed by the American Chemical Society (ACS).
Previous editions of the ACS style manual are entitled ACS Style Guide: Effective Communication of Scientific Information... | https://en.wikipedia.org/wiki/ACS_style |
The Advisory Circular AC 00-69 , Best Practices for Airborne Software Development Assurance Using EUROCAE ED-12( ) and RTCA DO-178( ) , initially issued in 2017, supports application of the active revisions of ED-12C/DO-178C and AC 20-115 . The AC does not state FAA guidance , but rather provides information in the for... | https://en.wikipedia.org/wiki/AC_00-69 |
The Advisory Circular AC 20-115( ) , Airborne Software Development Assurance Using EUROCAE ED-12( ) and RTCA DO-178( ) (previously Airborne Software Assurance ), recognizes [ 1 ] the RTCA published standard DO-178 as defining a suitable means for demonstrating compliance with applicable airworthiness regulations for th... | https://en.wikipedia.org/wiki/AC_20-115 |
The Advisory Circular AC 20-152A , Development Assurance for Airborne Electronic Hardware , identifies the RTCA-published standard DO-254 as defining "an acceptable means, but not the only means" to secure FAA approval of electronic hardware for use within the airspace subject to FAA authority. With the 2022 release of... | https://en.wikipedia.org/wiki/AC_20-152 |
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