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The Y Chromosome Consortium ( YCC ) was [ 1 ] a collection of scientists who worked toward the understanding of human Y chromosomal phylogenetics and evolution. The consortium had the following objective: web resources that communicate information relating to the non-recombinant region of the Y-chromosome including new... | https://en.wikipedia.org/wiki/Y_Chromosome_Consortium |
A Yagi–Uda antenna , or simply Yagi antenna , is a directional antenna consisting of two or more parallel resonant antenna elements in an end-fire array ; [ 1 ] these elements are most often metal rods (or discs) acting as half-wave dipoles . [ 2 ] Yagi–Uda antennas consist of a single driven element connected to a rad... | https://en.wikipedia.org/wiki/Yagi–Uda_antenna |
Yair Nathan Minsky (born in 1962) is an Israeli - American mathematician whose research concerns three-dimensional topology , differential geometry , group theory and holomorphic dynamics . He is a professor at Yale University . [ 1 ] He is known for having proved Thurston 's ending lamination conjecture and as a stude... | https://en.wikipedia.org/wiki/Yair_Minsky |
Yajnavalkya's 95-year cycle is a method of harmonizing the lunar and solar calendars. It was proposed by the ancient Indian sage Yajnavalkya , who is believed to have lived around the 9th - 8th century BCE. [ citation needed ] He was described as the greatest Brahmajnyani by all the sages at the philosophical function ... | https://en.wikipedia.org/wiki/Yajnavalkya_95_Years_Cycle |
Yak Bak was a line of handheld electronic voice recorder toys developed by Ralph Osterhout at Team Machina for Yes! Gear (a.k.a. Yes! Entertainment) in the mid-to-late 1990s. Several versions of the toy were developed, including the Yak Bak, Yak Bak 2, Yak Bak 2k, Yak Bak WarpR, Yak Wakky, Yak Bak SFX, and the Yak Bakw... | https://en.wikipedia.org/wiki/Yak_Bak |
Yakovlevian torque (also known as occipital bending ( OB ) [ 2 ] or counterclockwise brain torque [ 3 ] ) is the tendency of the right side of the human brain to be warped slightly forward relative to the left and the left side of the human brain to be warped slightly backward relative to the right. This is responsible... | https://en.wikipedia.org/wiki/Yakovlevian_torque |
Yalo (formerly Yalochat ) is an artificial intelligence platform specializing in emerging markets. Its headquerters were formerly in San Francisco with offices in Mexico City, Mumbai, Shanghai, Bogotá, and São Paulo. [ 1 ] It subsequently relocated to Mexico City [ when? ] .
Yalo enables companies to interact with the... | https://en.wikipedia.org/wiki/Yalo_(company) |
The Yamabe problem refers to a conjecture in the mathematical field of differential geometry , which was resolved in the 1980s. It is a statement about the scalar curvature of Riemannian manifolds :
Let ( M , g ) be a closed smooth Riemannian manifold. Then there exists a positive and smooth function f on M such that ... | https://en.wikipedia.org/wiki/Yamabe_problem |
The Yamada–Watanabe theorem is a result from probability theory saying that for a large class of stochastic differential equations a weak solution with pathwise uniqueness implies a strong solution and uniqueness in distribution . In its original form, the theorem was stated for n {\displaystyle n} -dimensional Itô equ... | https://en.wikipedia.org/wiki/Yamada–Watanabe_theorem |
The Yamaguchi esterification is the chemical reaction of an aliphatic carboxylic acid and 2,4,6-trichlorobenzoyl chloride ( TCBC, Yamaguchi reagent ) to form a mixed anhydride which, upon reaction with an alcohol in the presence of stoichiometric amount of DMAP , produces the desired ester . It was first reported by Ma... | https://en.wikipedia.org/wiki/Yamaguchi_esterification |
The Yamaha M7CL is a digital mixer that was introduced by Yamaha Pro Audio in 2005. [ 1 ] Two models with onboard analog input exist: the M7CL-32 and M7CL-48. These models have 40 (32 microphone and 4 stereo line)- and 56 (48 microphone and 4 stereo line)-input channels respectively, counting mono channels. Mixes, mas... | https://en.wikipedia.org/wiki/Yamaha_M7CL |
The Yamaneko Group of Comet Observers (YGCO) is a famous group of astronomical observers based in Japan. Founded by K. Ichikawa in 1980, the members have obtained approximately 12,300 astronomic and 6,300 photometric observations. [ 1 ] This group maintains the YGCO Chiyoda Station , also based in Japan.
This article ... | https://en.wikipedia.org/wiki/Yamaneko_Group_of_Comet_Observers |
In probability theory , Yan's theorem is a separation and existence result. It is of particular interest in financial mathematics where one uses it to prove the Kreps-Yan theorem .
The theorem was published by Jia-An Yan . [ 1 ] It was proven for the L 1 space and later generalized by Jean-Pascal Ansel to the case 1 ≤... | https://en.wikipedia.org/wiki/Yan's_theorem |
YaneuraOu ( やねうら王 , lit. ' King Yaneura ' ) ) is a free and open source shogi engine . Being one of the first shogi engines to implement an efficiently updatable neural network , it won the 29th annual World Computer Shogi Championship in 2019. [ 3 ] It supports the Universal Shogi Interface communication protocol [ 1 ... | https://en.wikipedia.org/wiki/YaneuraOu |
Private spaceflight companies include non-governmental or privately-owned entities focused on developing and/or offering equipment and services geared towards spaceflight , both robotic and human . This list includes both inactive and active entities.
LEO : Low Earth orbit GTO : Geostationary transfer orbit HCO : Heli... | https://en.wikipedia.org/wiki/Yang_Wang-1 |
In physics , the Yang–Baxter equation (or star–triangle relation ) is a consistency equation which was first introduced in the field of statistical mechanics . It depends on the idea that in some scattering situations, particles may preserve their momentum while changing their quantum internal states. It states that a ... | https://en.wikipedia.org/wiki/Yang–Baxter_equation |
Yang–Baxter operators are invertible linear endomorphisms with applications in theoretical physics and topology . They are named after theoretical physicists Yang Chen-Ning and Rodney Baxter . These operators are particularly notable for providing solutions to the quantum Yang–Baxter equation , which originated in stat... | https://en.wikipedia.org/wiki/Yang–Baxter_operator |
The Yang–Mills existence and mass gap problem is an unsolved problem in mathematical physics and mathematics , and one of the seven Millennium Prize Problems defined by the Clay Mathematics Institute , which has offered a prize of $1,000,000 USD for its solution.
The problem is phrased as follows: [ 1 ]
In this stat... | https://en.wikipedia.org/wiki/Yang–Mills_existence_and_mass_gap |
Yang–Mills theory is a quantum field theory for nuclear binding devised by Chen Ning Yang and Robert Mills in 1953, as well as a generic term for the class of similar theories. The Yang–Mills theory is a gauge theory based on a special unitary group SU( n ) , or more generally any compact Lie group . A Yang–Mills theor... | https://en.wikipedia.org/wiki/Yang–Mills_theory |
A Yankee dryer is a pressure vessel used in the production of machine glazed (MG) and tissue paper . On the Yankee dryer, the paper goes from approximately 42–45% dryness to just over 89% dryness. In industry, MG cylinders or Yankee dryers are primarily used to remove excess moisture from pulp that is about to be conve... | https://en.wikipedia.org/wiki/Yankee_dryer |
Yantrarāja is the Sanskrit name for the ancient astronomical instrument called astrolabe . It is also the title of a Sanskrit treatise on the construction and working of the astrolabe composed by a Jain astronomer Mahendra Sūri in around 1370 CE. [ 1 ]
The ideas leading to the construction of the astrolabe originated ... | https://en.wikipedia.org/wiki/Yantraraja |
The Yarkovsky effect is a force acting on a rotating body in space caused by the anisotropic emission of thermal photons , which carry momentum . It is usually considered in relation to meteoroids or small asteroids (about 10 cm to 10 km in diameter), as its influence is most significant for these bodies.
The effect w... | https://en.wikipedia.org/wiki/Yarkovsky_effect |
YASS (Yet Another Similarity Searcher) [ 1 ] [ 2 ] is a free software , [ 3 ] pairwise sequence alignment software for nucleotide sequences, that is, it can search for similarities between DNA or RNA sequences. YASS accepts nucleotide sequences in either plain text or the FASTA format and the output format includes the... | https://en.wikipedia.org/wiki/Yass_(software) |
In differential geometry , Yau's conjecture is a mathematical conjecture which states that any closed Riemannian 3-manifold has infinitely many smooth closed immersed minimal surfaces . It is named after Shing-Tung Yau , who posed it as the 88th entry in his 1982 list of open problems in differential geometry. [ 1 ]
T... | https://en.wikipedia.org/wiki/Yau's_conjecture |
The yaw string , also known as a slip string , is a simple device for indicating a slip or skid in an aircraft in flight. It performs the same function as the slip-skid indicator ball, but is more sensitive, and does not require the pilot to look down at the instrument panel. [ 1 ] Technically, it measures sideslip ang... | https://en.wikipedia.org/wiki/Yaw_string |
Yaël Nazé is a Belgian astrophysicist , author and professor at the University of Liège . She specializes in massive stars and their interactions with their surroundings. In her research, she has worked with images and data collected from various space telescopes and has worked on creating new observation satellites .
... | https://en.wikipedia.org/wiki/Yaël_Nazé |
Ytterbium(III) oxide is the chemical compound with the formula Yb 2 O 3 . It is one of the more commonly encountered compounds of ytterbium . It occurs naturally in trace amounts in the mineral gadolinite . It was first isolated from this in 1878 by Jean Charles Galissard de Marignac . [ 3 ]
Ytterbium(III) oxide can b... | https://en.wikipedia.org/wiki/Yb2O3 |
Ytterbium(III) bromide ( Yb Br 3 ) is an inorganic chemical compound .
Refer to the adjacent table for the main properties of Ytterbium(III) bromide.
Dissolving ytterbium oxide into 40% hydrobromic acid forms YbBr 3 ·6H 2 O crystals. After mixing the hydrate with ammonium bromide and heating it in a vacuum, anhydrous... | https://en.wikipedia.org/wiki/YbBr3 |
Ytterbium(II) chloride ( Yb Cl 2 ) is an inorganic chemical compound . It was first prepared in 1929 by W. K. Klemm and W. Schuth, by reduction of ytterbium(III) chloride, YbCl 3 , using hydrogen .
Like other Yb(II) compounds and other low-valence rare earth compounds, it is a strong reducing agent. It is unstable in ... | https://en.wikipedia.org/wiki/YbCl2 |
Ytterbium(III) chloride ( Yb Cl 3 ) is an inorganic chemical compound. It reacts with NiCl 2 to form a very effective catalyst for the reductive dehalogenation of aryl halides . [ 2 ] It is poisonous if injected, and mildly toxic by ingestion. It is an experimental teratogen , known to irritate the skin and eyes.
The ... | https://en.wikipedia.org/wiki/YbCl3 |
Ytterbium(III) fluoride ( YbF 3 ) is an inorganic chemical compound that is insoluble in water. Like other Ytterbium compounds, it is a rather unremarkable white substance. [ 3 ] Ytterbium fluoride has found a niche usage as a radio-opaque agent in the dental industry to aid in the identification of fillings under X-ra... | https://en.wikipedia.org/wiki/YbF3 |
Ytterbium(III) phosphide is an inorganic compound of ytterbium and phosphorus with the chemical formula YbP . [ 1 ] This is one of the phosphides of ytterbium. [ 2 ] [ 3 ]
Ytterbium and phosphine reacts in liquid ammonia to form Yb(PH 2 ) 2 ·5NH 3 , which can be decomposed to obtain ytterbium(III) phosphide: [ 4 ]
Yt... | https://en.wikipedia.org/wiki/YbP |
Ytterbium sulfide may refer to: | https://en.wikipedia.org/wiki/YbS |
Ytterbium monotelluride is an inorganic compound, one of the tellurides of ytterbium , with the chemical formula YbTe.
Ytterbium monotelluride can be produced by the high-temperature reduction reaction of ytterbium(III) telluride (Yb 2 Te 3 ), [ 1 ] or by the reaction of ytterbium(III) chloride , tellurium and hydroge... | https://en.wikipedia.org/wiki/YbTe |
YcaO is a protein found in bacteria which is involved in the synthesis of thiazole/oxazole modified microcin antibiotics, such as bottromycin . YcaO performs ATP dependent cyclodehydration to form the oxazole and thiazole moieties of the microcin. [ 2 ] [ 3 ] [ 4 ]
The YcaO name origin is from a gene naming rubric tha... | https://en.wikipedia.org/wiki/YcaO |
In molecular biology, the Ycf4 protein is involved in the assembly of the photosystem I complex which is part of an energy-harvesting process named photosynthesis . [ 1 ] Without Ycf4, photosynthesis would be inefficient affecting plant growth. Ycf4 is located in the thylakoid membrane of the chloroplast . Ycf4 is impo... | https://en.wikipedia.org/wiki/Ycf4_protein_domain |
YeTFaSCo (The Yeast Transcription Factor Specificity Compendium) is a database of transcription factors for Saccharomyces cerevisiae . [ 1 ]
This Biological database -related article is a stub . You can help Wikipedia by expanding it . | https://en.wikipedia.org/wiki/YeTFaSCo |
A year loss table ( YLT ) is a table that lists historical or simulated years, with financial losses for each year. [ 1 ] [ 2 ] [ 3 ] YLTs are widely used in catastrophe modeling as a way to record and communicate historical or simulated losses from catastrophes. The use of lists of years with historical or simulated f... | https://en.wikipedia.org/wiki/Year_loss_table |
The Year of the Solar System [ 1 ] is a NASA education/public outreach initiative. [ 2 ] The year runs October 2010 until August 2012, a Martian year . For each month's topic there are resources for clubs, schools and the general public. The months/topics are:
The Year of the Solar System is supported by NASA's Scienc... | https://en.wikipedia.org/wiki/Year_of_the_Solar_System |
A year zero does not exist in the Anno Domini (AD) calendar year system commonly used to number years in the Gregorian calendar (nor in its predecessor, the Julian calendar ); in this system, the year 1 BC is followed directly by year AD 1 (which is the year of the epoch of the era). However, there is a year zero in bo... | https://en.wikipedia.org/wiki/Year_zero |
The Yeast Promoter Atlas ( YPA ) is a repository of promoter features in Saccharomyces cerevisiae . [ 1 ]
This Biological database -related article is a stub . You can help Wikipedia by expanding it . | https://en.wikipedia.org/wiki/Yeast_Promoter_Atlas |
Yeast artificial chromosomes (YACs) are genetically engineered chromosomes derived from the DNA of the yeast, Saccharomyces cerevisiae [1] , which is then ligated into a bacterial plasmid. By inserting large fragments of DNA, from 100–1000 kb, the inserted sequences can be cloned and physically mapped using a process ... | https://en.wikipedia.org/wiki/Yeast_artificial_chromosome |
The yeast deletion project , formally the Saccharomyces Genome Deletion Project , is a project to create data for a near-complete collection of gene-deletion mutants of the yeast Saccharomyces cerevisiae . Each strain carries a precise deletion of one of the genes in the genome . This allows researchers to determine wh... | https://en.wikipedia.org/wiki/Yeast_deletion_project |
The yeast mitochondrial code (translation table 3 ) is a genetic code used by the mitochondrial genome of yeasts, notably Saccharomyces cerevisiae , Candida glabrata , Hansenula saturnus , and Kluyveromyces thermotolerans . [ 1 ]
Bases: adenine (A), cytosine (C), guanine (G) and thymine (T) or uracil (U).
Amino acids... | https://en.wikipedia.org/wiki/Yeast_mitochondrial_code |
YEASTRACT ( Yea st S earch for T ranscriptional R egulators A nd C onsensus T racking) is a curated repository of more than 48000 regulatory associations between transcription factors (TF) and target genes in Saccharomyces cerevisiae , based on more than 1200 bibliographic references. [ 1 ] It also includes the descrip... | https://en.wikipedia.org/wiki/Yeastract |
Yellow.ai , formerly Yellow Messenger , is a multinational company headquartered in San Mateo, California focused on customer service automation. [ 2 ] It was founded in 2016 and provides an AI platform for automating customer support experiences across chat and voice. The platform supports more than 135 languages acro... | https://en.wikipedia.org/wiki/Yellow.ai |
The Yellow Card Scheme is the United Kingdom's system for collecting information on suspected adverse drug reactions (ADRs) to medicines. The scheme allows the safety of the medicines and vaccines that are on the market to be monitored. [ 1 ]
The scheme was founded in 1964 after the thalidomide disaster, and was devel... | https://en.wikipedia.org/wiki/Yellow_Card_Scheme |
Yellow rain was a 1981 political incident in which the United States Secretary of State Alexander Haig accused the Soviet Union of supplying T-2 mycotoxin to the communist states in Vietnam , Laos and Cambodia for use in counterinsurgency warfare. [ 1 ] Refugees described many different forms of "attacks", including a ... | https://en.wikipedia.org/wiki/Yellow_rain |
"Yes, and ...", also referred to as "Yes, and ..." thinking , is a rule-of-thumb in improvisational comedy that suggests that an improviser should accept what another improviser has stated ("yes") and then expand on that line of thinking ("and"). [ 1 ] [ 2 ] [ 3 ] The principle does not forbid disagreements between the... | https://en.wikipedia.org/wiki/Yes,_and... |
In chemistry , yield , also known as reaction yield or chemical yield , refers to the amount of product obtained in a chemical reaction . [ 1 ] Yield is one of the primary factors that scientists must consider in organic and inorganic chemical synthesis processes. [ 2 ] In chemical reaction engineering, "yield", " con... | https://en.wikipedia.org/wiki/Yield_(chemistry) |
In materials science and engineering , the yield point is the point on a stress–strain curve that indicates the limit of elastic behavior and the beginning of plastic behavior. Below the yield point, a material will deform elastically and will return to its original shape when the applied stress is removed. Once the yi... | https://en.wikipedia.org/wiki/Yield_(engineering) |
In computer science , yield is an action that occurs in a computer program during multithreading , of forcing a processor to relinquish control of the current running thread , and sending it to the end of the running queue , of the same scheduling priority.
Different programming languages implement yielding in various... | https://en.wikipedia.org/wiki/Yield_(multithreading) |
In materials science , the yield strength anomaly refers to materials wherein the yield strength (i.e., the stress necessary to initiate plastic yielding) increases with temperature. [ 1 ] [ 2 ] [ 3 ] For the majority of materials, the yield strength decreases with increasing temperature. In metals, this decrease in yi... | https://en.wikipedia.org/wiki/Yield_strength_anomaly |
A yield surface is a five-dimensional surface in the six-dimensional space of stresses . The yield surface is usually convex and the state of stress of inside the yield surface is elastic. When the stress state lies on the surface the material is said to have reached its yield point and the material is said to have b... | https://en.wikipedia.org/wiki/Yield_surface |
Yip-Wah Chung (born 1950 [ 1 ] ) is a materials scientist at Northwestern University . He is a professor of materials science & engineering , and, by courtesy, of mechanical engineering within the McCormick School of Engineering , [ 2 ] and serves as co-director of the mechanical engineering–materials science & enginee... | https://en.wikipedia.org/wiki/Yip-Wah_Chung |
Yliaster or Iliaster , a term coined by Paracelsus , refers to "prime matter, consisting of body and soul".
Paracelsus described the Iliaster as the "completely healed human being who has burned away all the dross of his lower being and is free to fly as the Phoenix." [ 1 ] It is most likely a portmanteau of the Greek... | https://en.wikipedia.org/wiki/Yliaster |
An ylide ( / ˈ ɪ l aɪ d / ) [ 1 ] or ylid ( / ˈ ɪ l ɪ d / ) is a neutral dipolar molecule containing a formally negatively charged atom (usually a carbanion ) directly attached to a heteroatom with a formal positive charge (usually nitrogen, phosphorus or sulfur), and in which both atoms have full octets of electrons. ... | https://en.wikipedia.org/wiki/Ylide |
In organic chemistry , an ynone is an organic compound containing a ketone ( >C=O ) functional group and a C≡C triple bond . Many ynones are α,β-ynones, where the carbonyl and alkyne groups are conjugated. Capillin is a naturally occurring example. Some ynones are not conjugated .
One method for synthesizing ynones ... | https://en.wikipedia.org/wiki/Ynone |
In software development , the yo-yo problem is an anti-pattern that occurs when a programmer has to read and understand a program whose inheritance graph is so long and complicated that the programmer has to keep flipping between many different class definitions in order to follow the control flow of the program. It i... | https://en.wikipedia.org/wiki/Yo-yo_problem |
Yohkoh ( Japanese : ようこう , 'Sunbeam'), known before launch as Solar-A , was a Solar observatory spacecraft of the Institute of Space and Astronautical Science (Japan), in collaboration with space agencies in the United States and the United Kingdom . It was launched into Earth orbit on August 30, 1991 by the M-3SII roc... | https://en.wikipedia.org/wiki/Yohkoh |
In mathematics , the Yoneda lemma is a fundamental result in category theory . [ 1 ] It is an abstract result on functors of the type morphisms into a fixed object . It is a vast generalisation of Cayley's theorem from group theory (viewing a group as a miniature category with just one object and only isomorphisms). It... | https://en.wikipedia.org/wiki/Yoneda_lemma |
In algebra, the Yoneda product (named after Nobuo Yoneda ) is the pairing between Ext groups of modules : Ext n ( M , N ) ⊗ Ext m ( L , M ) → Ext n + m ( L , N ) {\displaystyle \operatorname {Ext} ^{n}(M,N)\otimes \operatorname {Ext} ^{m}(L,M)\to \operatorname {Ext} ^{n+m}(L,N)} induced by Hom ( N , M ) ⊗ Hom ... | https://en.wikipedia.org/wiki/Yoneda_product |
The Yorkshire Mycological Committee is a committee within the Yorkshire Naturalists' Union . [ 1 ] First formed in 1892, it was the first permanent organisation dedicated to the study of fungi in Great Britain . [ 2 ] It was the principal founding organisation of the British Mycological Society . [ 3 ]
The Mycological... | https://en.wikipedia.org/wiki/Yorkshire_Mycological_Committee |
The Yoshimine
sort [ 1 ] is an algorithm that is used in quantum chemistry to order lists of two electron repulsion integrals. It is implemented in the IBM Alchemy program
suite [ 2 ] and in the UK R-matrix package for electron and positron scattering by molecules [ 3 ] which is based on the early versions of the IBM... | https://en.wikipedia.org/wiki/Yoshimine_sort |
Yoshimura buckling , named after Japanese researcher Yoshimaru Yoshimura (吉村慶丸), is a triangular mesh buckling pattern found in thin-walled cylinders under compression along the axis of the cylinder that produces corrugated shape resembling the Schwarz lantern . This is the same pattern on found on the sleeves of Mona ... | https://en.wikipedia.org/wiki/Yoshimura_buckling |
The yotari mouse is an autosomal recessive mutant. [ 1 ] It has a mutated disabled homolog 1 ( Dab1 ) gene. [ 2 ] This mutant mouse is recognized by unstable gait ("Yota-ru" in Japanese means "unstable gait") and tremor and by early deaths around the time of weaning . The cytoarchitectures of cerebellar and cerebral co... | https://en.wikipedia.org/wiki/Yotari |
The byte is a unit of digital information that most commonly consists of eight bits . Historically, the byte was the number of bits used to encode a single character of text in a computer [ 1 ] [ 2 ] and for this reason it is the smallest addressable unit of memory in many computer architectures . To disambiguate arbit... | https://en.wikipedia.org/wiki/Yottabyte |
YouMail is an Irvine, CA -based developer of a visual voicemail [ 1 ] and Robocall blocking service for mobile phones , [ 2 ] available in the US and the UK. [ 3 ] Their voicemail mobile app replaces the voicemail service offered by mobile phone service providers, and offers webmail -like voicemail access and voicemail... | https://en.wikipedia.org/wiki/Youmail |
In mathematics , Young's convolution inequality is a mathematical inequality about the convolution of two functions, [ 1 ] named after William Henry Young .
In real analysis , the following result is called Young's convolution inequality: [ 2 ]
Suppose f {\displaystyle f} is in the Lebesgue space L p ( R d ) {\displa... | https://en.wikipedia.org/wiki/Young's_convolution_inequality |
In mathematical analysis , the Young's inequality for integral operators , is a bound on the L p → L q {\displaystyle L^{p}\to L^{q}} operator norm of an integral operator in terms of L r {\displaystyle L^{r}} norms of the kernel itself.
Assume that X {\displaystyle X} and Y {\displaystyle Y} are measurable spaces, K ... | https://en.wikipedia.org/wiki/Young's_inequality_for_integral_operators |
In mathematics , Young's inequality for products is a mathematical inequality about the product of two numbers. [ 1 ] The inequality is named after William Henry Young and should not be confused with Young's convolution inequality .
Young's inequality for products can be used to prove Hölder's inequality . It is also ... | https://en.wikipedia.org/wiki/Young's_inequality_for_products |
In mathematics , Young's lattice is a lattice that is formed by all integer partitions . It is named after Alfred Young , who, in a series of papers On quantitative substitutional analysis, developed the representation theory of the symmetric group . In Young's theory, the objects now called Young diagrams and the par... | https://en.wikipedia.org/wiki/Young's_lattice |
Young's modulus (or the Young modulus ) is a mechanical property of solid materials that measures the tensile or compressive stiffness when the force is applied lengthwise. It is the modulus of elasticity for tension or axial compression . Young's modulus is defined as the ratio of the stress (force per unit area) appl... | https://en.wikipedia.org/wiki/Young's_modulus |
Clark's rule is a medical term referring to a mathematical formula used to calculate the proper dosage of medicine for children aged 2–17 based on the weight of the patient and the appropriate adult dose. [ 1 ] The formula was named after Cecil Belfield Clarke (1894–1970), a Barbadian physician who practiced throughout... | https://en.wikipedia.org/wiki/Young's_rule |
Young Engineers/ Future Leaders is a Standing Committee of the World Federation of Engineering Organizations . Its membership includes engineering students and engineers are the start of their careers.
The current chair is Zainab Garashi from Kuwait . Vice Chair is Kathryn Johnson from United States and secretary is ... | https://en.wikipedia.org/wiki/Young_Engineers_/_Future_Leaders |
The working group Young Food Chemists ( Arbeitsgruppe Junge Lebensmittelchemie , AG JLC ) is a group of German university and PhD students as well as young professionals who represent the interests of students and trainees in the field of food chemistry , i.e. analytical chemistry with a focus on food.
The group acts ... | https://en.wikipedia.org/wiki/Young_Food_Chemists |
The Young Woman Engineer of the Year Awards are presented at the Institution of Engineering and Technology , London, England. [ 1 ] Part of the IET Achievement Medals collection, the award was launched in 1978, and was originally known as the Girl Technician of the Year , until renamed in 1988. [ 2 ] [ 3 ] The award wa... | https://en.wikipedia.org/wiki/Young_Woman_Engineer_of_the_Year_Award |
In mathematics , the Young subgroups of the symmetric group S n {\displaystyle S_{n}} are special subgroups that arise in combinatorics and representation theory . When S n {\displaystyle S_{n}} is viewed as the group of permutations of the set { 1 , 2 , … , n } {\displaystyle \{1,2,\ldots ,n\}} , and if λ = ( λ 1 , …... | https://en.wikipedia.org/wiki/Young_subgroup |
In mathematics , a Young symmetrizer is an element of the group algebra of the symmetric group S n {\displaystyle S_{n}} whose natural action on tensor products V ⊗ n {\displaystyle V^{\otimes n}} of a complex vector space V {\displaystyle V} has as image an irreducible representation of the group of invertible linear ... | https://en.wikipedia.org/wiki/Young_symmetrizer |
In mathematics , a Young tableau ( / t æ ˈ b l oʊ , ˈ t æ b l oʊ / ; plural: tableaux ) is a combinatorial object useful in representation theory and Schubert calculus . It provides a convenient way to describe the group representations of the symmetric and general linear groups and to study their properties.
Young ta... | https://en.wikipedia.org/wiki/Young_tableau |
In physics , the Young–Laplace equation ( / l ə ˈ p l ɑː s / ) is an equation that describes the capillary pressure difference sustained across the interface between two static fluids , such as water and air , due to the phenomenon of surface tension or wall tension , although use of the latter is only applicable if as... | https://en.wikipedia.org/wiki/Young–Laplace_equation |
Yrast ( / ˈ ɪr æ s t / IRR -ast , Swedish: [ˈy̌ːrast] ) is a technical term in nuclear physics that refers to a state of a nucleus with a minimum of energy (when it is least excited) for a given angular momentum . Yr is a Swedish adjective sharing the same root as the English whirl . Yrast is the superlative of yr and ... | https://en.wikipedia.org/wiki/Yrast |
This page provides supplementary chemical data on Ytterbium(III) chloride | https://en.wikipedia.org/wiki/Ytterbium(III)_chloride_(data_page) |
Yttria-stabilized zirconia ( YSZ ) is a ceramic in which the cubic crystal structure of zirconium dioxide is made stable at room temperature by an addition of yttrium oxide . These oxides are commonly called "zirconia" ( Zr O 2 ) and "yttria" ( Y 2 O 3 ), hence the name.
Pure zirconium dioxide undergoes a phase transf... | https://en.wikipedia.org/wiki/Yttria-stabilized_zirconia |
Yttrium(III) chloride is an inorganic compound of yttrium and chloride . It exists in two forms, the hydrate (YCl 3 (H 2 O) 6 ) and an anhydrous form (YCl 3 ). Both are colourless salts that are highly soluble in water and deliquescent .
Solid YCl 3 adopts a cubic [ citation needed ] structure with close-packed chlor... | https://en.wikipedia.org/wiki/Yttrium(III)_chloride |
Yttrium ( 90 Y) clivatuzumab tetraxetan (trade name hPAM4-Cide ) is a humanized monoclonal antibody-drug conjugate designed for the treatment of pancreatic cancer . [ 1 ] The antibody part, clivatuzumab (targeted at MUC1 ), is conjugated with tetraxetan , a chelator for yttrium-90 , [ 2 ] a radioisotope which destroys ... | https://en.wikipedia.org/wiki/Yttrium_(90Y)_clivatuzumab_tetraxetan |
Yttrium ( 90 Y) tacatuzumab tetraxetan is an investigational humanized monoclonal antibody intended for the treatment of cancer. [ 1 ] The antibody itself, tacatuzumab, is conjugated with tetraxetan , a chelator for yttrium-90 , [ 2 ] a radioisotope which destroys the tumour cells.
This monoclonal antibody –related ar... | https://en.wikipedia.org/wiki/Yttrium_(90Y)_tacatuzumab_tetraxetan |
Yttrium barium copper oxide ( YBCO ) is a family of crystalline chemical compounds that display high-temperature superconductivity ; it includes the first material ever discovered to become superconducting above the boiling point of liquid nitrogen [77 K (−196.2 °C; −321.1 °F)] at about 93 K (−180.2 °C; −292.3 °F). [ 3... | https://en.wikipedia.org/wiki/Yttrium_barium_copper_oxide |
Yttrium oxalate is an inorganic compound , a salt of yttrium and oxalic acid with the chemical formula Y 2 (C 2 O 4 ) 3 . [ 3 ] The compound does not dissolve in water and forms crystalline hydrates—colorless crystals. [ 4 ]
Precipitation of soluble yttrium salts with oxalic acid : [ 5 ]
Yttrium oxalate is highly ins... | https://en.wikipedia.org/wiki/Yttrium_oxalate |
Yttrium perchlorate is the inorganic compound with the chemical formula Y(ClO 4 ) 3 . [ 1 ] [ 2 ] The compound is an yttrium salt of perchloric acid . [ 3 ] [ 4 ]
Dissolving yttrium oxide in perchloric acid solution can produce yttrium perchlorate octahydrate. [ citation needed ]
Potentially explosive. [ 5 ]
The com... | https://en.wikipedia.org/wiki/Yttrium_perchlorate |
Yttrium and tin form several yttrium stannide intermetallic compounds .
The most tin-rich is YSn 3 , followed by YSn 2 , Y 11 Sn 10 , Y 5 Sn 4 , and Y 5 Sn 3 . None survives above 1,940 °C (3,520 °F), at which point Y 5 Sn 3 melts congruently . [ 1 ] The enthalpy of dissolution is similar to the stannides of other la... | https://en.wikipedia.org/wiki/Yttrium_stannides |
Yuan-Cheng "Bert" Fung (September 15, 1919 – December 15, 2019) was a Chinese-American bioengineer and writer. He is regarded as a founding figure of bioengineering , tissue engineering , and the "Founder of Modern Biomechanics ". [ 1 ]
Fung was born in Jiangsu Province, China in 1919. He earned a bachelor's degree in... | https://en.wikipedia.org/wiki/Yuan-Cheng_Fung |
Yuan Tseh Lee ( Chinese : 李遠哲 ; pinyin : Lǐ Yuǎnzhé ; Wade–Giles : Li³ Yüan³-che² ; Pe̍h-ōe-jī : Lí Oán-tiat ; born 19 November 1936) is a Taiwanese chemist who was awarded the Nobel Prize in Chemistry in 1986 for his contributions to the development of reaction dynamics .
Lee is a professor emeritus at the University... | https://en.wikipedia.org/wiki/Yuan_T._Lee |
University of Texas at Austin
Yueh-Lin (Lynn) Loo is a Malaysian-born chemical engineer and the Theodora D. '78 and William H. Walton III '74 Professor in Engineering at Princeton University , where she is also the Director of the Andlinger Center for Energy and the Environment. [ 1 ] She is known for inventing nanotr... | https://en.wikipedia.org/wiki/Yueh-Lin_Loo |
The Socialist Federal Republic of Yugoslavia began its own nuclear weapons program in the early 1950s, amid rising tensions with the Soviet Union during the Informbiro period . Yugoslavian leader Josip Broz Tito decided that the development of nuclear technology was in the country's best interest as deterrence from a p... | https://en.wikipedia.org/wiki/Yugoslavia_and_weapons_of_mass_destruction |
The Yukawa–Tsuno equation , first developed in 1959, [ 1 ] is a linear free-energy relationship in physical organic chemistry . It is a modified version of the Hammett equation that accounts for enhanced resonance effects in electrophilic reactions of para- and meta-substituted organic compounds. This equation does so ... | https://en.wikipedia.org/wiki/Yukawa–Tsuno_equation |
Yulia Sister ( Hebrew : יוליה סיסטר , Russian : Юлия Давидовна Систер ; born September 12, 1936, in Chișinău , Bessarabia , Romania ) is a Soviet Moldavian and Israeli analytical chemist engaged in chemical research with the use of polarography and chromatography , a science historian, and a researcher of Russian Jewry... | https://en.wikipedia.org/wiki/Yulia_Sister |
A yupana (from Quechua : yupay 'count') [ 1 ] is a counting board used to perform arithmetic operations , dating back to the time of the Incas . Very little documentation exists concerning its precise physical form or how it was used.
The term yupana refers to two distinct classes of objects:
Although very different ... | https://en.wikipedia.org/wiki/Yupana |
Yuri Alfredovich Berlin ( Russian : Юрий Альфредович Берлин , born Moscow , USSR , December 12, 1944) is an American physical chemist of Soviet origin. He is a research professor in the department of chemistry at Northwestern University .
Yuri Berlin received his master's degree in Physics from the Moscow Engineering ... | https://en.wikipedia.org/wiki/Yuri_Berlin |
Yuri Ivanovich Manin (Russian: Ю́рий Ива́нович Ма́нин ; 16 February 1937 – 7 January 2023) was a Russian mathematician, known for work in algebraic geometry and diophantine geometry , and many expository works ranging from mathematical logic to theoretical physics .
Manin was born on 16 February 1937 in Simferopol , C... | https://en.wikipedia.org/wiki/Yuri_Manin |
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