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Veterinary virology is the study of viruses in non-human animals . It is an important branch of veterinary medicine . Rhabdoviruses are a diverse family of single stranded, negative sense RNA viruses that infect a wide range of hosts, from plants and insects, to fish and mammals. The Rhaboviridae family consists of si...
https://en.wikipedia.org/wiki/Veterinary_virology
VETIGEL is a veterinary product, a plant-derived injectable gel that is claimed to quickly stop traumatic bleeding on external and internal wounds. Its name is coined from Medi-Gel, from the video game series Mass Effect . [ citation needed ] It uses a plant-based haemophilic polymer made from polysaccharides that f...
https://en.wikipedia.org/wiki/Vetigel
Veveo is a software company based in Andover, Massachusetts . Established in 2004, Veveo has collaborated with various firms including Comcast , Cablevision , Rogers , AT&T , DirecTV , and Nokia . The venture-backed company is headquartered in Andover, Massachusetts , and possesses an intellectual property portfolio c...
https://en.wikipedia.org/wiki/Veveo
V flo is a commercially available, physics -based distributed hydrologic model generated by Vieux & Associates, Inc. V flo uses radar rainfall data for hydrologic input to simulate distributed runoff . [ 1 ] [ 2 ] V flo employs GIS maps for parameterization via a desktop interface. [ 3 ] The model is suited for distrib...
https://en.wikipedia.org/wiki/Vflo
The Vg1 ribozyme is a manganese dependent RNA enzyme or ribozyme which is the smallest ribozyme to be identified. It was identified in the 3′ UTR of Xenopus Vg1 mRNA transcripts and mouse beta-actin mRNA. [ 1 ] This ribozyme was identified from in vitro studies that showed that the Vg1 mRNA was cleaved within the 3′ UT...
https://en.wikipedia.org/wiki/Vg1_ribozyme
ViaGen Pets , based in Cedar Park, Texas, is a division of TransOva Genetics, that offers animal cloning services to pet owners. ViaGen Pets division was launched in 2016. [ 1 ] ViaGen Pets offers cloning as well as DNA preservation services, sometimes called tissue or cell banking. [ 2 ] ViaGen's subsidiary, Start L...
https://en.wikipedia.org/wiki/ViaGen_Pets
Viability PCR , also named v-PCR or vPCR, is an evolution of PCR . Through the use of a simple pre-treatment of the sample by the means of specific intercalating photo-reactive reagents it's possible to neutralize the DNA of dead cells. As a result, only DNA from live cells will be detected by PCR. This approach expand...
https://en.wikipedia.org/wiki/Viability_PCR
A viability assay is an assay that is created to determine the ability of organs , cells or tissues to maintain or recover a state of survival. [ 2 ] Viability can be distinguished from the all-or-nothing states of life and death by the use of a quantifiable index that ranges between the integers of 0 and 1 or, if more...
https://en.wikipedia.org/wiki/Viability_assay
Viability theory is an area of mathematics that studies the evolution of dynamical systems under constraints on the system state . [ 1 ] [ 2 ] It was developed to formalize problems arising in the study of various natural and social phenomena, and has close ties to the theories of optimal control and set-valued analysi...
https://en.wikipedia.org/wiki/Viability_theory
Viable but nonculturable ( VBNC ) bacteria refers as to bacteria that are in a state of very low metabolic activity and do not divide, but are alive and have the ability to become culturable once resuscitated. [ 1 ] Bacteria in a VBNC state cannot grow on standard growth media , though flow cytometry can measure the v...
https://en.wikipedia.org/wiki/Viable_but_nonculturable
Viaspan was the trademark under which the University of Wisconsin cold storage solution (also known as University of Wisconsin solution or UW solution ) was sold. Currently, UW solution is sold under the Belzer UW trademark and others like Bel-Gen or StoreProtect. UW solution was the first solution designed for use in...
https://en.wikipedia.org/wiki/Viaspan
A vibrating-sample magnetometer (VSM) (also referred to as a Foner magnetometer/oscillation magnetometer) is a scientific instrument that measures magnetic properties based on Faraday’s Law of Induction. Simon Foner at MIT Lincoln Laboratory invented VSM in 1955 and reported it in 1959. [ 1 ] Also it was mentioned by G...
https://en.wikipedia.org/wiki/Vibrating-sample_magnetometer
A vibrating feeder or vibratory feeder is an industrial machine used to feed material to a process or machine . Vibratory feeders use both vibration and gravity to move material. They are mainly used to transport a large number of smaller objects. Gravity determines the direction of movement; either downwards, or down...
https://en.wikipedia.org/wiki/Vibrating_feeder
A vibrating wire sensor measures the opening of a joint from the stretch of a wire being made to vibrate at acoustical frequency. Since the wire is made of an elastic metal, this type of sensor can be used to measure pulling forces within a certain range. The applied external force changes the tension on the wire, whi...
https://en.wikipedia.org/wiki/Vibrating_wire
Vibration (from Latin vibrāre ' to shake ' ) is a mechanical phenomenon whereby oscillations occur about an equilibrium point . Vibration may be deterministic if the oscillations can be characterised precisely (e.g. the periodic motion of a pendulum ), or random if the oscillations can only be analysed statistically (e...
https://en.wikipedia.org/wiki/Vibration
Vibration fatigue is a mechanical engineering term describing material fatigue , caused by forced vibration of random nature. An excited structure responds according to its natural-dynamics modes, which results in a dynamic stress load in the material points. [ 1 ] The process of material fatigue is thus governed large...
https://en.wikipedia.org/wiki/Vibration_fatigue
Vibration isolation is the prevention of transmission of vibration from one component of a system to others parts of the same system, as in buildings or mechanical systems . [ 1 ] Vibration is undesirable in many domains, primarily engineered systems and habitable spaces, and methods have been developed to prevent the ...
https://en.wikipedia.org/wiki/Vibration_isolation
The vibration theory of smell proposes that a molecule's smell character is due to its vibrational frequency in the infrared range. This controversial theory is an alternative to the more widely accepted docking theory of olfaction (formerly termed the shape theory of olfaction), which proposes that a molecule's smell ...
https://en.wikipedia.org/wiki/Vibration_theory_of_olfaction
The technique of vibrational analysis with scanning probe microscopy allows probing vibrational properties of materials at the submicrometer scale, and even of individual molecules. [ 1 ] [ 2 ] [ 3 ] This is accomplished by integrating scanning probe microscopy (SPM) and vibrational spectroscopy ( Raman scattering or/a...
https://en.wikipedia.org/wiki/Vibrational_analysis_with_scanning_probe_microscopy
A vibrational bond is a chemical bond that happens between two very large atoms , like bromine , and a very small atom, like hydrogen , at very high energy states. Vibrational bonds only exist for a few milliseconds . This bond is detectable through modern analytic chemistry and is significant because it affects the r...
https://en.wikipedia.org/wiki/Vibrational_bond
Vibrational circular dichroism ( VCD ) is a spectroscopic technique which detects differences in attenuation of left and right circularly polarized light passing through a sample. It is the extension of circular dichroism spectroscopy into the infrared and near infrared ranges. [ 1 ] Because VCD is sensitive to the mu...
https://en.wikipedia.org/wiki/Vibrational_circular_dichroism
Vibrational energy relaxation , or vibrational population relaxation , is a process in which the population distribution of molecules in quantum states of high energy level caused by an external perturbation returns to the Maxwell–Boltzmann distribution . In solution , the process proceeds with intra- and intermolecul...
https://en.wikipedia.org/wiki/Vibrational_energy_relaxation
Vibrational spectroscopic maps are a series of ab initio , semiempirical , or empirical models tailored to specific IR probes to describe vibrational solvatochromic effects on molecular spectra quantitatively. [ 1 ] Coherent multidimensional spectroscopy, [ 2 ] [ 3 ] a nonlinear spectroscopy utilizing multiple time-de...
https://en.wikipedia.org/wiki/Vibrational_spectroscopic_map
The vibrational temperature is commonly used in thermodynamics , to simplify certain equations. It has units of temperature and is defined as where k B {\displaystyle k_{\text{B}}} is the Boltzmann constant , c {\displaystyle c} is the speed of light , ν ~ {\displaystyle {\tilde {\nu }}} is the wavenumber , and ν {\di...
https://en.wikipedia.org/wiki/Vibrational_temperature
Vibratory Fluidized Bed (VFB) is a type of fluidized bed where the mechanical vibration enhances the performance of fluidization process. Since the first discovery of vibratory fluidized bed, its vibration properties proves to be more efficient in dealing with fine particles which appears to be very difficult to achiev...
https://en.wikipedia.org/wiki/Vibratory_fluidized_bed
Vibratory shear enhanced process (VSEP) is a membrane separation technology platform invented in 1987 and patented in 1989 by Dr. J. Brad Culkin . [ 1 ] VSEP's vibration system was designed to prevent membrane fouling, or the build-up of solid particles on the surface of the membrane. VSEP systems have been applied in ...
https://en.wikipedia.org/wiki/Vibratory_shear-enhanced_process
Vibratory Stress Relief , often abbreviated VSR, is a non-thermal stress relief method used by the metal working industry to enhance the dimensional stability and mechanical integrity of castings , forgings , and welded components, chiefly for two categories of these metal workpieces: This stress is called residual st...
https://en.wikipedia.org/wiki/Vibratory_stress_relief
Vibrion may also refer to: the singular form of vibrio , a genus of anaerobic bacteria with a comma-like shape. Vibrion is an antiquated term for microorganisms , especially pathogenic ones; see Germ theory of disease . The term was specifically used in reference to motile microorganisms, and the name of the genus Vibr...
https://en.wikipedia.org/wiki/Vibrion
Vibronic coupling (also called nonadiabatic coupling or derivative coupling ) in a molecule involves the interaction between electronic and nuclear vibrational motion. [ 1 ] [ 2 ] The term "vibronic" originates from the combination of the terms "vibrational" and "electronic", denoting the idea that in a molecule, vibra...
https://en.wikipedia.org/wiki/Vibronic_coupling
Vibronic spectroscopy is a branch of molecular spectroscopy concerned with vibronic transitions: the simultaneous changes in electronic and vibrational energy levels of a molecule due to the absorption or emission of a photon of the appropriate energy. In the gas phase , vibronic transitions are also accompanied by cha...
https://en.wikipedia.org/wiki/Vibronic_spectroscopy
Vibroscope ( Latin : vibrare 'vibrate' + scope ) is an instrument for observing and tracing (and sometimes recording) vibration . [ 1 ] [ 2 ] For example, a primitive mechanical vibroscope consists of a vibrating object with a pointy end which leaves a wave trace on a smoked surface of a rotating cylinder . [ 3 ] Vib...
https://en.wikipedia.org/wiki/Vibroscope
Vicalloy is a family of cobalt-iron-vanadium wrought ferromagnetic alloys which have high coercivity and are used to make permanent magnets and other magnetic components. Vicalloy is precipitation hardened and can be formed by a number of cold working techniques. It is commonly used in electromechanical device applica...
https://en.wikipedia.org/wiki/Vicalloy
The " Vicar of Bray " hypothesis (or Fisher-Muller Model [ 1 ] ) attempts to explain why sexual reproduction might have advantages over asexual reproduction. Reproduction is the process by which organisms give rise to offspring. Asexual reproduction [ 2 ] involves a single parent and results in offspring that are genet...
https://en.wikipedia.org/wiki/Vicar_of_Bray_(scientific_hypothesis)
The Vicarious Hypothesis , or hypothesis vicaria , was a planetary hypothesis proposed by Johannes Kepler to describe the motion of Mars . [ 1 ] [ 2 ] [ 3 ] The hypothesis adopted the circular orbit and equant of Ptolemy's planetary model as well as the heliocentrism of the Copernican model . [ 4 ] [ 5 ] Calculations u...
https://en.wikipedia.org/wiki/Vicarious_Hypothesis
In organic chemistry , the vicarious nucleophilic substitution is a special type of nucleophilic aromatic substitution in which a nucleophile replaces a hydrogen atom on the aromatic ring and not leaving groups such as halogen substituents which are ordinarily encountered in S N Ar. This reaction type was reviewed in 1...
https://en.wikipedia.org/wiki/Vicarious_nucleophilic_substitution
Vicat softening temperature or Vicat hardness is the determination of the softening point for materials that have no definite melting point , such as plastics . It is taken as the temperature at which the specimen is penetrated to a depth of 1 mm by a flat-ended needle with a 1 mm 2 circular or square cross-section. Fo...
https://en.wikipedia.org/wiki/Vicat_softening_point
Vichy Catalán is a Spanish brand of carbonated mineral water bottled from its homonymous thermal spring in Caldes de Malavella , Girona . It is the leading carbonated mineral water in Spain, with 40% market share. [ 1 ] The brand is owned by Grup Vichy Catalan («Premium Mix Group S.L.») [ 2 ] ) by the physician and sur...
https://en.wikipedia.org/wiki/Vichy_Catalán
In chemistry the descriptor vicinal (from Latin vicinus = neighbor), abbreviated vic , is a descriptor that identifies two functional groups as bonded to two adjacent carbon atoms (i.e., in a 1,2-relationship). It may arise from vicinal difunctionalization . For example, the molecule 2,3-dibromobutane carries two vic...
https://en.wikipedia.org/wiki/Vicinal_(chemistry)
Vicinal difunctionalization refers to a chemical reaction involving transformations at two adjacent centers (most commonly carbons). This transformation can be accomplished in α,β-unsaturated carbonyl compounds via the conjugate addition of a nucleophile to the β-position followed by trapping of the resulting enolate w...
https://en.wikipedia.org/wiki/Vicinal_difunctionalization
The vicious circle principle is a principle that was endorsed by many predicativist mathematicians in the early 20th century to prevent contradictions. The principle states that no object or property may be introduced by a definition that depends on that object or property itself. In addition to ruling out definition...
https://en.wikipedia.org/wiki/Vicious_circle_principle
Victimless Leather (2004) is an art piece that represents a leather jacket without killing any animals. It is a prototype of a stitch-less jacket, grown from cell cultures into a layer of tissue supported by a coat shaped polymer layer. [ 1 ] [ 2 ] "Victimless Leather" was created as a sub-project of the Tissue Culture...
https://en.wikipedia.org/wiki/Victimless_Leather
The victor symbol (Spanish: víctor or vítor ) is an emblem that is painted on the walls of some Spanish and Latin American universities to commemorate students who have received the degree of doctorate . The custom dates back to the 14th century, and the symbol has historically been used at older universities in the Sp...
https://en.wikipedia.org/wiki/Victor_(symbol)
Victor Almon McKusick (October 21, 1921 – July 22, 2008) was an American internist and medical geneticist , and Professor of Medicine at the Johns Hopkins Hospital , Baltimore . [ 1 ] He was a proponent of the mapping of the human genome due to its use for studying congenital diseases. He is well known for his studies ...
https://en.wikipedia.org/wiki/Victor_A._McKusick
Victor Moritz Goldschmidt ForMemRS (27 January 1888 – 20 March 1947) was a Norwegian mineralogist considered (together with Vladimir Vernadsky ) to be the founder of modern geochemistry and crystal chemistry, developer of the Goldschmidt Classification of elements. Goldschmidt was born in Zürich , Switzerland on 27 Ja...
https://en.wikipedia.org/wiki/Victor_Goldschmidt
Francois Auguste Victor Grignard (6 May 1871 – 13 December 1935) was a French chemist who won the Nobel Prize [ 2 ] [ 3 ] for his discovery of the eponymously named Grignard reagent and Grignard reaction , both of which are important in the formation of carbon–carbon bonds . He also wrote some of his experiments in his...
https://en.wikipedia.org/wiki/Victor_Grignard
The Victor Meyer apparatus is the standard laboratory method for determining the molecular weight of a volatile liquid . It was developed by Viktor Meyer , who spelled his name Victor in publications at the time of its development. In this method, a known mass of a volatile solid or liquid under examination is converte...
https://en.wikipedia.org/wiki/Victor_Meyer_apparatus
Victor Snieckus (August 1, 1937 - December 18, 2020 [ 2 ] ) was a synthetic organic chemist and professor emeritus at Queen's University in Kingston, Ontario . He was known for his influential research on directed ortho metalation . [ 2 ] [ 3 ] [ 4 ] Snieckus was born in Kaunas , Lithuania in 1937. His family lived in...
https://en.wikipedia.org/wiki/Victor_Snieckus
Norman Paterson School of International Affairs (M.A.) Victoria Herrmann is an American polar geographer and climate change communicator . She is the managing director of The Arctic Institute , [ 1 ] a National Geographic Explorer, [ 2 ] and Assistant Research Professor at Georgetown University ’s Walsh School of Fore...
https://en.wikipedia.org/wiki/Victoria_Herrmann
The Victoria Lines , originally known as the North West Front , are a line of fortifications that spans 12 kilometres along the width of Malta , dividing the north of the island from the more heavily populated south. [ 1 ] The Victoria Lines run along a natural geographical barrier known as the Great Fault , from Madl...
https://en.wikipedia.org/wiki/Victoria_Lines
Victoria F. Samanidou is a Greek analytical chemist . She is a professor at Aristotle University of Thessaloniki in Thessaloniki , Greece. This biographical article about a Greek academic is a stub . You can help Wikipedia by expanding it . This biographical article about a chemist is a stub . You can help Wikipedia ...
https://en.wikipedia.org/wiki/Victoria_Samanidou
Vidarabine phosphate is an adenosine monophosphate nucleotide in which ribose is replaces by an arabinso moiety. It has antiviral and possibly antineoplastic properties. [ 1 ] This biochemistry article is a stub . You can help Wikipedia by expanding it .
https://en.wikipedia.org/wiki/Vidarabine_phosphate
Video is an electronic medium for the recording, copying , playback, broadcasting , and display of moving visual media . [ 1 ] Video was first developed for mechanical television systems, which were quickly replaced by cathode-ray tube (CRT) systems, which, in turn, were replaced by flat-panel displays of several types...
https://en.wikipedia.org/wiki/Video
Video Share is an IP Multimedia System (IMS) enabled service for mobile networks that allows users engaged in a circuit switch voice call to add a unidirectional video streaming session over the packet network during the voice call. Any of the parties on the voice call can initiate a video streaming session. There can ...
https://en.wikipedia.org/wiki/Video_Share
The NewTek Video Toaster is a combination of hardware and software for the editing and production of NTSC standard-definition video. The plug-in expansion card initially worked with the Amiga 2000 computer and provides a number of BNC connectors on the exposed rear edge that provide connectivity to common analog video ...
https://en.wikipedia.org/wiki/Video_Toaster
The Video Buffering Verifier (VBV) is a theoretical MPEG video buffer model, used to ensure that an encoded video stream can be correctly buffered, and played back at the decoder device. By definition, the VBV shall not overflow nor underflow when its input is a compliant stream, (except in the case of low_delay). It ...
https://en.wikipedia.org/wiki/Video_buffering_verifier
A video codec is software or hardware that compresses and decompresses digital video . In the context of video compression, codec is a portmanteau of encoder and decoder , while a device that only compresses is typically called an encoder , and one that only decompresses is a decoder . The compressed data format usual...
https://en.wikipedia.org/wiki/Video_codec
In the field of video compression , a video frame is compressed using different algorithms with different advantages and disadvantages, centered mainly around amount of data compression . These different algorithms for video frames are called picture types or frame types . The three major picture types used in the di...
https://en.wikipedia.org/wiki/Video_compression_picture_types
Video copy detection is the process of detecting illegally copied videos by analyzing them and comparing them to original content. The goal of this process is to protect a video creator's intellectual property. Indyk et al. [ 1 ] produced a video copy detection theory based on the length of the film; however, it work...
https://en.wikipedia.org/wiki/Video_copy_detection
Video design or projection design is a creative field of stagecraft. It is concerned with the creation and integration of film, motion graphics and live camera feed into the fields of theatre , opera , dance , fashion shows , concerts and other live events. Video design has only recently gained recognition as a separat...
https://en.wikipedia.org/wiki/Video_design
A game programmer is a software engineer , programmer , or computer scientist who primarily develops codebases for video games or related software , such as game development tools . Game programming has many specialized disciplines, all of which fall under the umbrella term of "game programmer". [ 1 ] [ 2 ] A game prog...
https://en.wikipedia.org/wiki/Video_game_programmer
Video optimization refers to a set of technologies used by mobile service providers to improve consumer viewing experience by reducing video start times or re- buffering events. The process also aims to reduce the amount of network bandwidth consumed by video sessions. [ 1 ] While optimization technology can be applie...
https://en.wikipedia.org/wiki/Video_optimization
ViLTE , an acronym for " Video over LTE ", is a conversational (i.e. person to person) video service based on the IP Multimedia Subsystem (IMS) core network like VoLTE. It has specific profiles for the control and VoLTE of the video service and uses LTE as the radio access medium. The service as a whole is governed by...
https://en.wikipedia.org/wiki/Video_over_LTE
Video over cellular ( VoC ), also known as VoCIP ( video over cellular Internet Protocol ) , is a term used for processing streaming video such as surveillance , using high- resolution video cameras over 3G and 4G cellular networks . Creating a VoC transmission requires encoding and decoding of video packets of data. ...
https://en.wikipedia.org/wiki/Video_over_cellular
A video search engine is a web-based search engine which crawls the web for video content. Some video search engines parse externally hosted content while others allow content to be uploaded and hosted on their own servers. Some engines also allow users to search by video format type and by length of the clip. The vide...
https://en.wikipedia.org/wiki/Video_search_engine
Video spectroscopy combines spectroscopic measurements with video technique. This technology has resulted from recent developments in hyperspectral imaging . A video capable imaging spectrometer can work like a camcorder and provide full frame spectral images in real-time that enables advanced (vehicle based) mobility ...
https://en.wikipedia.org/wiki/Video_spectroscopy
A video tape recorder ( VTR ) is a tape recorder designed to record and playback video and audio material from magnetic tape . The early VTRs were open-reel devices that record on individual reels of 2-inch-wide (5.08 cm) tape. They were used in television studios, serving as a replacement for motion picture film stock...
https://en.wikipedia.org/wiki/Video_tape_recorder
Viedma ripening or attrition-enhanced deracemization is a chiral symmetry breaking phenomenon observed in solid/liquid mixtures of enantiomorphous ( racemic conglomerate ) crystals that are subjected to comminution . It can be classified in the wider area of spontaneous symmetry breaking phenomena observed in chemistry...
https://en.wikipedia.org/wiki/Viedma_ripening
Vienna ÖNB 5203 [ 1 ] is a fifteenth-century astronomical multiple-text (and multi-graphical), miscellany manuscript conserved at the Austrian National Library (Österreichischen Nationalbibliothek). [ 2 ] One of the main features of this codex is that it has been largely copied by the hand of Regiomontanus , [ 3 ] a fa...
https://en.wikipedia.org/wiki/Vienna,_Österreichischen_Nationalbibliothek,_MS_5203
The ViennaRNA Package is software , a set of standalone programs and libraries used for predicting and analysing RNA nucleic acid secondary structures . [ 1 ] The source code for the package is released as free and open-source software and compiled binaries are available for the operating systems Linux , macOS , and Wi...
https://en.wikipedia.org/wiki/ViennaRNA_Package
The Vienna Ab initio Simulation Package , better known as VASP , is a package written primarily in Fortran for performing ab initio quantum mechanical calculations using either Vanderbilt pseudopotentials , or the projector augmented wave method , and a plane wave basis set . [ 2 ] The basic methodology is density func...
https://en.wikipedia.org/wiki/Vienna_Ab_initio_Simulation_Package
Vienna Standard Mean Ocean Water ( VSMOW ) is an isotopic standard for water, that is, a particular sample of water whose proportions of different isotopes of hydrogen and oxygen are accurately known. VSMOW is distilled from ocean water and does not contain salt or other impurities. Published and distributed by the Vie...
https://en.wikipedia.org/wiki/Vienna_Standard_Mean_Ocean_Water
In mathematics , Vieta's formulas relate the coefficients of a polynomial to sums and products of its roots . They are named after François Viète (1540-1603), more commonly referred to by the Latinised form of his name, "Franciscus Vieta." Any general polynomial of degree n P ( x ) = a n x n + a n − 1 x n − 1 + ⋯ + a ...
https://en.wikipedia.org/wiki/Vieta's_formulas
In number theory , Vieta jumping , also known as root flipping , is a proof technique . It is most often used for problems in which a relation between two integers is given, along with a statement to prove about its solutions. In particular, it can be used to produce new solutions of a quadratic Diophantine equation fr...
https://en.wikipedia.org/wiki/Vieta_jumping
The Vietnamese language is written with a Latin script with diacritics ( accent tones ) which requires several accommodations when typing on phone or computers. Software-based systems are a form of writing Vietnamese on phones or computers with software that can be installed on the device or from third-party software s...
https://en.wikipedia.org/wiki/Vietnamese_language_and_computers
In topological data analysis , the Vietoris–Rips filtration (sometimes shortened to " Rips filtration ") is the collection of nested Vietoris–Rips complexes on a metric space created by taking the sequence of Vietoris–Rips complexes over an increasing scale parameter. Often, the Vietoris–Rips filtration is used to crea...
https://en.wikipedia.org/wiki/Vietoris–Rips_filtration
The Vieussens valve of the coronary sinus is a prominent [ 1 ] valve at the end of the great cardiac vein , marking the commencement of the coronary sinus . [ 2 ] [ 1 ] It is often a flimsy valve composed of one to three leaflets. It is present in 80-90% of individuals. It serves as an anatomical landmark. It is clinic...
https://en.wikipedia.org/wiki/Vieussens_valve_of_the_coronary_sinus
A view model or viewpoints framework in systems engineering , software engineering , and enterprise engineering is a framework which defines a coherent set of views to be used in the construction of a system architecture , software architecture , or enterprise architecture . A view is a representation of the whole syst...
https://en.wikipedia.org/wiki/View_model
ViiV Healthcare ( / ˈ v iː v / VEEV ) is a British multinational pharmaceutical company specializing in the research and development of medicines to treat and prevent HIV/AIDS . Its global headquarters is located in London . The company was created as a joint venture by GSK and Pfizer in November 2009, with both compan...
https://en.wikipedia.org/wiki/ViiV_Healthcare
The Viking program consisted of a pair of identical American space probes , Viking 1 and Viking 2 both launched in 1975, and landed on Mars in 1976. [ 1 ] The mission effort began in 1968 and was managed by the NASA Langley Research Center. [ 4 ] Each spacecraft was composed of two main parts: an orbiter which photogra...
https://en.wikipedia.org/wiki/Viking_program
Viktor Schauberger ( Austrian German: [ˈʃaʊbɛrɡɐ] ; 30 June 1885 – 25 September 1958) was an Austrian forest caretaker, naturalist , philosopher , inventor and pseudoscientist . [ 1 ] [ 2 ] Schauberger was born in Holzschlag , Upper Austria on 30 June 1885. His parents were Leopold Schauberger and Josefa, née Klimitsc...
https://en.wikipedia.org/wiki/Viktor_Schauberger
Viktor Vladimirovich Wagner , also Vagner ( Russian : Виктор Владимирович Вагнер ) (4 November 1908 – 15 August 1981) was a Russian mathematician , best known for his work in differential geometry and on semigroups . Wagner was born in Saratov and studied at Moscow State University , where Veniamin Kagan was his advis...
https://en.wikipedia.org/wiki/Viktor_Wagner
Villy Sundström (born February 6, 1949) is a Swedish physical chemist known for his work in ultrafast science and molecular photochemistry using time-resolved laser and X-ray spectroscopy techniques. [ 1 ] [ 2 ] Sundström studied chemistry at Umeå University , obtaining his PhD in 1977. During his study, he visited Be...
https://en.wikipedia.org/wiki/Villy_Sundström
Vilma Lucila Espín Guillois (7 April 1930 – 18 June 2007) was a Cuban revolutionary , feminist , and chemical engineer . She helped supply and organize the 26th of July Movement as an underground spy, and took an active role in many branches of the Cuban government from the conclusion of the revolution to her death. [ ...
https://en.wikipedia.org/wiki/Vilma_Espín
Vilnius photometric system is a medium-band seven-colour photometric system (UPXYZVS), created in 1963 by Vytautas Straižys and his coworkers. This system was highly optimized for classification of stars from ground-based observations. The system was chosen to be medium-band, to ensure the possibility to measure faint ...
https://en.wikipedia.org/wiki/Vilnius_photometric_system
The Vilsmeier–Haack reaction (also called the Vilsmeier reaction ) is the chemical reaction of a substituted formamide ( 1 ) with phosphorus oxychloride and an electron-rich arene ( 3 ) to produce an aryl aldehyde or ketone ( 5 ): The reaction is named after Anton Vilsmeier and Albrecht Haack [ de ] . [ 1 ] [ 2 ] [ 3 ...
https://en.wikipedia.org/wiki/Vilsmeier–Haack_reaction
Viltolarsen , sold under the brand name Viltepso , is a medication used for the treatment of Duchenne muscular dystrophy (DMD). [ 2 ] [ 3 ] [ 1 ] Viltolarsen is a Morpholino antisense oligonucleotide . [ 2 ] [ 1 ] The most common side effects include upper respiratory tract infection , injection site reaction , cough ...
https://en.wikipedia.org/wiki/Viltolarsen
1GK4 , 1GK6 , 1GK7 , 3G1E , 3KLT , 3S4R , 3SSU , 3SWK , 3TRT , 3UF1 , 4MCY , 4MCZ , 4MD0 , 4MD5 , 4MDJ , 4YPC , 4YV3 7431 22352 ENSG00000026025 ENSMUSG00000026728 P08670 P20152 NM_003380 NM_011701 NP_003371 NP_035831 Vimentin is a structural protein that in humans is encoded by the VIM gene . Its name comes ...
https://en.wikipedia.org/wiki/Vimentin
Vinay Vithal Deodhar (3 December 1948 – 18 January 2015) was a Professor Emeritus in the Department of Mathematics at Indiana University . He worked in the area of algebraic groups and representation theory . [ 1 ] Deodhar was born in Mumbai (Bombay), India in 1948. [ 2 ] Deodhar earned his Ph.D. from the University ...
https://en.wikipedia.org/wiki/Vinay_V._Deodhar
In mathematics, Vincent's theorem —named after Alexandre Joseph Hidulphe Vincent —is a theorem that isolates the real roots of polynomials with rational coefficients. Even though Vincent's theorem is the basis of the fastest method for the isolation of the real roots of polynomials, it was almost totally forgotten, ha...
https://en.wikipedia.org/wiki/Vincent's_theorem
Vincent Marks (10 June 1930 – 6 November 2023) was an English pathologist and clinical biochemist known for his works on studying insulin and hypoglycemia . His contributions to medical science include simplifying low blood glucose testing, introducing insulin radioimmunoassay , and advancing diabetes research. Marks p...
https://en.wikipedia.org/wiki/Vincent_Marks
Vincenzo Balzani (born 15 November 1936 in Forlimpopoli , Italy) is an Italian chemist , now emeritus professor at the University of Bologna . He has spent most of his professional life at the "Giacomo Ciamician" Department of Chemistry of the University of Bologna , becoming full professor in 1973. He has been appoin...
https://en.wikipedia.org/wiki/Vincenzo_Balzani
Vincenzo Barone (b. 8 November 1952, Ancona ) is an Italian chemist, active in the field of theoretical and computational chemistry . [ 1 ] He became full professor of physical chemistry at the University of Naples in 1994, and professor of theoretical and computational chemistry at the Scuola Normale Superiore di Pis...
https://en.wikipedia.org/wiki/Vincenzo_Barone
Vincenzo Mollame ( Naples , Kingdom of the Two Sicilies 4 July 1848 – Catania , 23 June 1912) was an Italian mathematician. Mollame was privately tutored by Achille Sanni and then studied Mathematics at the University of Naples Federico II . After obtaining his degree, he became a high-school teacher, first at Beneven...
https://en.wikipedia.org/wiki/Vincenzo_Mollame
Vinclozolin (trade names Ronilan , Curalan , Vorlan , Touche ) is a common dicarboximide fungicide used to control diseases, such as blights, rots and molds in vineyards, and on fruits and vegetables such as raspberries, lettuce, kiwi, snap beans, and onions. It is also used on turf on golf courses. [ 1 ] Two common fu...
https://en.wikipedia.org/wiki/Vinclozolin
line segment from A to B repeated 0.1428571428571428571... complex conjugate boolean NOT (A AND B) radical ab + 2 bracketing function Vinculum usage A vinculum (from Latin vinculum ' fetter, chain, tie ' ) is a horizontal line used in mathematical notation for various purposes. It may be placed as an overline or...
https://en.wikipedia.org/wiki/Vinculum_(symbol)
The Vindhyan Ecology and Natural History Foundation (VENHF) is a registered non-profit organisation (2012) with its headquarter in Mirzapur , Uttar Pradesh, India, working for the protection and conservation of the nature, natural resources and rights of the nature dependent communities in the ecologically fragile land...
https://en.wikipedia.org/wiki/Vindhyan_Ecology_and_Natural_History_Foundation
Vineet Bafna is an Indian bioinformatician and professor of computer science and director of bioinformatics program at University of California, San Diego . [ 4 ] [ 5 ] He was elected a Fellow of the International Society for Computational Biology (ISCB) in 2019 for outstanding contributions to the fields of computatio...
https://en.wikipedia.org/wiki/Vineet_Bafna
Vinegar syndrome , also known as acetic acid syndrome , [ 1 ] is a condition created by the deacetylation of cellulose acetates (usually cellulose diacetate ) and cellulose triacetate . [ 2 ] This deacetylation produces acetic acid , giving off a vinegar odor that gives the condition its name; as well, objects undergoi...
https://en.wikipedia.org/wiki/Vinegar_syndrome
The Vintage Computer Festival ( VCF ) is an international event celebrating the history of computing . It is held annually in various locations around the United States and various countries internationally. It was founded by Sellam Ismail [ 1 ] in 1997. The Vintage Computer Festival promotes the preservation of "ob...
https://en.wikipedia.org/wiki/Vintage_Computer_Festival
A vintage computer is an older computer system that is largely regarded as obsolete. The personal computer has been around since around 1971, [ 1 ] and in that time technological advancement means existing models get replaced every few years. Nevertheless, these otherwise useless computers have spawned a sub-culture o...
https://en.wikipedia.org/wiki/Vintage_computer