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In condensed-matter physics , a collision cascade (also known as a displacement cascade or a displacement spike ) is a set of nearby adjacent energetic (much higher than ordinary thermal energies ) collisions of atoms induced by an energetic particle in a solid or liquid . [ 1 ] [ 2 ]
If the maximum atom or ion energi... | https://en.wikipedia.org/wiki/Collision_cascade |
Collision detection is the computational problem of detecting an intersection of two or more objects in virtual space. More precisely, it deals with the questions of if , when and where two or more objects intersect. Collision detection is a classic problem of computational geometry with applications in computer graphi... | https://en.wikipedia.org/wiki/Collision_detection |
Collision frequency describes the rate of collisions between two atomic or molecular species in a given volume, per unit time. In an ideal gas , assuming that the species behave like hard spheres, the collision frequency between entities of species A and species B is: [ 1 ]
which has units of [volume][time] −1 .
Her... | https://en.wikipedia.org/wiki/Collision_frequency |
In the context of classical mechanics simulations and physics engines employed within video games , collision response deals with models and algorithms for simulating the changes in the motion of two solid bodies following collision and other forms of contact.
Two rigid bodies in unconstrained motion, potentially unde... | https://en.wikipedia.org/wiki/Collision_response |
Collision theory is a principle of chemistry used to predict the rates of chemical reactions . It states that when suitable particles of the reactant hit each other with the correct orientation, only a certain amount of collisions result in a perceptible or notable change; these successful changes are called successful... | https://en.wikipedia.org/wiki/Collision_theory |
In astronomy , a collisional family is a group of objects that are thought to have a common origin in an impact (collision). They have similar compositions and most share similar orbital elements .
Known or suspected collisional families include numerous asteroid families , [ 1 ] [ 2 ] [ 3 ] [ 4 ] most of the irregula... | https://en.wikipedia.org/wiki/Collisional_family |
A collodion bag is a membrane used to filter or concentrate substances, often proteins, using pressure. It usually takes the form of a small finger shaped receptacle hooked up to a positive pressure pump. The bag has a characteristic that allows small particles, like water or unbound ions , to flow out while retaining ... | https://en.wikipedia.org/wiki/Collodion_bag |
A colloid is a mixture in which one substance consisting of microscopically dispersed insoluble particles is suspended throughout another substance. Some definitions specify that the particles must be dispersed in a liquid , [ 1 ] while others extend the definition to include substances like aerosols and gels . The ter... | https://en.wikipedia.org/wiki/Colloid |
Colloid-facilitated transport designates a transport process by which colloidal particles serve as transport vector [ 1 ] of diverse contaminants in the surface water (sea water, lakes, rivers, fresh water bodies) and in underground water circulating in fissured rocks [ 2 ] ( limestone , sandstone , granite , ...). The... | https://en.wikipedia.org/wiki/Colloid-facilitated_transport |
A colloid mill is a machine that is used to reduce the particle size of a solid in suspension in a liquid , or to reduce the droplet size in emulsions. Colloid mills work on the rotor-stator principle: a rotor turns at high speeds (2000–18000 RPM [ 1 ] ). A high level of hydraulic shear [ clarify ] stress is applied ... | https://en.wikipedia.org/wiki/Colloid_mill |
A colloid thruster (or " electrospray thruster") is a type of low thrust electric propulsion rocket engine that uses electrostatic acceleration of charged liquid droplets for propulsion. In a colloid thruster, charged liquid droplets are produced by an electrospray process and then accelerated by a static electric fiel... | https://en.wikipedia.org/wiki/Colloid_thruster |
Colloid vibration current is an electroacoustic phenomenon that arises when ultrasound propagates through a fluid that contains ions and either solid particles or emulsion droplets. [ 1 ] [ 2 ]
The pressure gradient in an ultrasonic wave moves particles relative to the fluid. This motion disturbs the double layer that... | https://en.wikipedia.org/wiki/Colloid_vibration_current |
A colloidal crystal is an ordered array of colloidal particles and fine grained materials analogous to a standard crystal whose repeating subunits are atoms or molecules. [ 1 ] A natural example of this phenomenon can be found in the gem opal , where spheres of silica assume a close-packed locally periodic structure un... | https://en.wikipedia.org/wiki/Colloidal_crystal |
Colloidal gold is a sol or colloidal suspension of nanoparticles of gold in a fluid, usually water. [ 1 ] The colloid is coloured usually either wine red (for spherical particles less than 100 nm ) or blue-purple (for larger spherical particles or nanorods ). [ 2 ] Due to their optical , [ 3 ] electronic, and molecular... | https://en.wikipedia.org/wiki/Colloidal_gold |
The colloidal gold protein assay is a highly sensitive biochemical assay for determining the total concentration of protein in a solution (~0.1 ng/μL to 200 ng/μL). [ 1 ] It was first described in 1987 by two groups who used commercially available "Aurodye" colloidal gold solutions. [ 2 ] [ 3 ] Notably, the formulation... | https://en.wikipedia.org/wiki/Colloidal_gold_protein_assay |
The colloidal probe technique is commonly used to measure interaction forces acting between colloidal particles and/or planar surfaces in air or in solution. This technique relies on the use of an atomic force microscope (AFM). However, instead of a cantilever with a sharp AFM tip, one uses the colloidal probe . The co... | https://en.wikipedia.org/wiki/Colloidal_probe_technique |
The medical uses of silver include its use in wound dressings, creams, and as an antibiotic coating on medical devices. [ 2 ] [ 3 ] [ 4 ] Wound dressings containing silver sulfadiazine or silver nanomaterials may be used to treat external infections. [ 5 ] [ 6 ] [ 7 ] The limited evidence available shows that silver co... | https://en.wikipedia.org/wiki/Colloidal_silver |
Colloids and Surfaces is a peer-reviewed journal of surface science . It was established in 1980. In 1993, it split into two parts Colloids and Surfaces A and Colloids and Surfaces B . The journal is published by Elsevier .
Colloids and Surfaces A: Physicochemical and Engineering Aspects focused on aspects related to ... | https://en.wikipedia.org/wiki/Colloids_and_Surfaces_A |
Colloids and Surfaces is a peer-reviewed journal of surface science . It was established in 1980. In 1993, it split into two parts Colloids and Surfaces A and Colloids and Surfaces B . The journal is published by Elsevier .
Colloids and Surfaces A: Physicochemical and Engineering Aspects focused on aspects related to ... | https://en.wikipedia.org/wiki/Colloids_and_Surfaces_B |
Colloquis , previously known as ActiveBuddy and Conversagent, was a company that created conversation-based interactive agents originally distributed via instant messaging platforms. The company had offices in New York, New York, and Sunnyvale, California .
Founded in 2000, the company was the brainchild of Robert Hof... | https://en.wikipedia.org/wiki/Colloquis |
Collusion is a deceitful agreement or secret cooperation between two or more parties to limit open competition by deceiving, misleading or defrauding others of their legal right. Collusion is not always considered illegal. It can be used to attain objectives forbidden by law ; for example, by defrauding or gaining an u... | https://en.wikipedia.org/wiki/Collusion |
In fluorescence microscopy , colocalization refers to observation of the spatial overlap between two (or more) different fluorescent labels, each having a separate emission wavelength, to see if the different "targets" are located in the same area of the cell or very near to one another. The definition can be split int... | https://en.wikipedia.org/wiki/Colocalization |
The Colocalization Benchmark Source ( CBS ) is a free collection of downloadable images to test and validate the degree of colocalization of markers in any fluorescence microscopy studies. Colocalization is a visual phenomenon when two molecules of interest are associated with the same structures in the cells and poten... | https://en.wikipedia.org/wiki/Colocalization_Benchmark_Source |
Colonial American astronomy can be traced to the time when the English began colonizing in the New World during the 16th century . They brought with them their interest in astronomy . At first, astronomical thought in America was based on Aristotelian philosophy . [ 1 ]
During a British expedition to North Carolina's ... | https://en.wikipedia.org/wiki/Colonial_American_astronomy |
In microbiology, colonial morphology refers to the visual appearance of bacterial or fungal colonies on an agar plate . Examining colonial morphology is the first step in the identification of an unknown microbe. The systematic assessment of the colonies' appearance, focusing on aspects like size, shape, colour, opacit... | https://en.wikipedia.org/wiki/Colonial_morphology |
Colonisation or colonization is the spread and development of an organism in a new area or habitat. Colonization comprises the physical arrival of a species in a new area, but also its successful establishment within the local community. In ecology , it is represented by the symbol λ (lowercase lambda ) to denote the l... | https://en.wikipedia.org/wiki/Colonisation_(biology) |
Space colonization (or extraterrestrial colonization ) is the settlement or colonization of outer space and astronomical bodies . The concept in its broad sense has been applied to any permanent human presence in space, such as a space habitat or other extraterrestrial settlements . [ 2 ] It may involve a process of oc... | https://en.wikipedia.org/wiki/Colonization_of_the_Solar_System |
Colonization resistance is the mechanism whereby the microbiome protects itself against incursion by new and often harmful microorganisms . [ 1 ] [ 2 ] [ 3 ]
Colonization resistance was first identified in 1967, and it was initially referred to as antibiotic -associated susceptibility. It was observed that animals bei... | https://en.wikipedia.org/wiki/Colonization_resistance |
A colonnette is a small slender column , [ 1 ] usually decorative, which supports a beam or lintel . Colonnettes have also been used to refer to a feature of furnishings such as a dressing table and case clock , [ 2 ] [ 3 ] and even studied by archeologists in Roman ceramics. [ 4 ] Architectural colonnettes are typica... | https://en.wikipedia.org/wiki/Colonnette |
In microbiology , a colony-forming unit ( CFU, cfu or Cfu ) is a unit which estimates the number of microbial cells ( bacteria , fungi , viruses etc.) in a sample that are viable , able to multiply via binary fission under the controlled conditions. Counting with colony-forming units requires culturing the microbes and... | https://en.wikipedia.org/wiki/Colony-forming_unit |
In biology , a colony is composed of two or more conspecific individuals living in close association with, or connected to, one another. This association is usually for mutual benefit such as stronger defense or the ability to attack bigger prey. [ 1 ]
Colonies can form in various shapes and ways depending on the orga... | https://en.wikipedia.org/wiki/Colony_(biology) |
Colony hybridization is a method of selecting bacterial colonies with desired genes through a straightforward cloning and transfer process. [ 1 ] The genes of interest have been added to a bacterial plasmid previously through recombination , allowing genes from other organisms to be analyzed within a bacterial colony. ... | https://en.wikipedia.org/wiki/Colony_hybridization |
A colony picker is an instrument used to automatically identify microbial colonies growing on a solid medium , pick them and duplicate them either onto solid or liquid media. It is used in research laboratories as well as in industrial environments such as food testing and in microbiological cultures .
In food safety ... | https://en.wikipedia.org/wiki/Colony_picker |
Color-blocking is thought of as the exploration of taking colors that are opposites on the color wheel and pairing them together to make complementary color combinations. [ 1 ] It is commonly associated in fashion as a trend that originated from the artwork of Dutch painter, Piet Mondrian . However, other experts argue... | https://en.wikipedia.org/wiki/Color-blocking |
Color-glass condensate ( CGC ) is a type of matter theorized to exist in atomic nuclei when they collide at near the speed of light . During such collision, one is sensitive to the gluons that have very small momenta, or more precisely a very small x B j {\displaystyle x_{Bj}} Bjorken scaling variable.
The small momen... | https://en.wikipedia.org/wiki/Color-glass_condensate |
A color-tagged structure is a structure which has been classified by a color to represent the severity of damage or the overall condition of the building. The exact definition for each color may be different in different countries and jurisdictions. [ 1 ]
A red-tagged structure has been severely damaged to the degree ... | https://en.wikipedia.org/wiki/Color-tagged_structure |
Color Health, Inc. (founded as Color Genomics ) is an American healthcare organization.
The company was co-founded in 2015 by Elad Gil, Nish Bhat, Taylor Sittler, and Othman Laraki, who is the CEO, [ 1 ] in Burlingame, California .
In November 2021, the company had a valuation of $4.6 billion and collected $100 milli... | https://en.wikipedia.org/wiki/Color_Health |
Color and Symmetry is a book by Arthur L. Loeb published by Wiley Interscience in 1971. The author adopts an unconventional algorithmic approach to generating the line and plane groups based on the concept of "rotocenter" (the invariant point of a rotation). He then introduces the concept of two or more colors to deriv... | https://en.wikipedia.org/wiki/Color_and_Symmetry |
In quantum chromodynamics (QCD), color confinement , often simply called confinement , is the phenomenon that color-charged particles (such as quarks and gluons ) cannot be isolated, and therefore cannot be directly observed in normal conditions below the Hagedorn temperature of approximately 2 tera kelvin (correspondi... | https://en.wikipedia.org/wiki/Color_confinement |
In digital image and video processing , a color layout descriptor ( CLD ) is designed to capture the spatial distribution of color in an image. [ 1 ] The feature extraction process consists of two parts: grid based representative color selection and discrete cosine transform with quantization.
Color is the most basic ... | https://en.wikipedia.org/wiki/Color_layout_descriptor |
The color of chemicals is a physical property of chemicals that in most cases comes from the excitation of electrons due to an absorption of energy performed by the chemical.
The study of chemical structure by means of energy absorption and release is generally referred to as spectroscopy .
All atoms and molecules ar... | https://en.wikipedia.org/wiki/Color_of_chemicals |
The color of water varies with the ambient conditions in which that water is present. While relatively small quantities of water appear to be colorless , pure water has a slight blue color that becomes deeper as the thickness of the observed sample increases. The hue of water is an intrinsic property and is caused by s... | https://en.wikipedia.org/wiki/Color_of_water |
In chemistry , a color reaction or colour reaction is a chemical reaction that is used to transform colorless chemical compounds into colored derivatives which can be detected visually or with the aid of a colorimeter .
The concentration of a colorless solution cannot normally be determined with a colorimeter. The ad... | https://en.wikipedia.org/wiki/Color_reaction |
Color superconductivity is a phenomenon where matter carries color charge without loss, analogous to the way conventional superconductors can carry electric charge without loss. Color superconductivity is predicted to occur in quark matter if the baryon density is sufficiently high (i.e., well above the density and ene... | https://en.wikipedia.org/wiki/Color_superconductivity |
Color transparency [ 1 ] [ 2 ] is a phenomenon observed in high-energy particle physics , where hadrons (particles made of quarks such as a proton or mesons ) created in a nucleus propagate through that nucleus with less interaction than expected. It suggests that hadrons are first created with a small size in the nucl... | https://en.wikipedia.org/wiki/Color_transparency |
The Colorado River Storage Project is a United States Bureau of Reclamation project designed to oversee the development of the upper basin of the Colorado River . The project provides hydroelectric power , flood control and water storage for participating states along the upper portion of the Colorado River and its maj... | https://en.wikipedia.org/wiki/Colorado_River_Storage_Project |
Colorado Ultraviolet Transit Experiment (CUTE) is a small UV space telescope to study selected exoplanets . [ 1 ]
It was launched as a rideshare on the Atlas V that launched Landsat 9 on September 27, 2021. [ 1 ] Designed to operate for at least 8 months and study 10 exoplanets, CUTE remains operational as of December... | https://en.wikipedia.org/wiki/Colorado_Ultraviolet_Transit_Experiment |
Colored Symmetry is a book by A.V. Shubnikov and N.V. Belov and published by Pergamon Press in 1964. The book contains translations of materials originally written in Russian and published between 1951 and 1958. The book was notable because it gave English-language speakers access to new work in the fields of dichromat... | https://en.wikipedia.org/wiki/Colored_Symmetry_(book) |
Colored dissolved organic matter (CDOM) is the optically measurable component of dissolved organic matter in water. Also known as chromophoric dissolved organic matter, [ 1 ] yellow substance , and gelbstoff , CDOM occurs naturally in aquatic environments and is a complex mixture of many hundreds to thousands of indivi... | https://en.wikipedia.org/wiki/Colored_dissolved_organic_matter |
A colorimeter is a device used in colorimetry that measures the absorbance of particular wavelengths of light by a specific solution . [ 1 ] [ 2 ] It is commonly used to determine the concentration of a known solute in a given solution by the application of the Beer–Lambert law , which states that the concentration of ... | https://en.wikipedia.org/wiki/Colorimeter_(chemistry) |
Colorimetric analysis is a method of determining the concentration of a chemical element or chemical compound in a solution with the aid of a color reagent . It is applicable to both organic compounds and inorganic compounds and may be used with or without an enzymatic stage. The method is widely used in medical labor... | https://en.wikipedia.org/wiki/Colorimetric_analysis |
Colorimetry is "the science and technology used to quantify and describe physically the human color perception ". [ 1 ] It is similar to spectrophotometry , but is distinguished by its interest in reducing spectra to the physical correlates of color perception, most often the CIE 1931 XYZ color space tristimulus values... | https://en.wikipedia.org/wiki/Colorimetry |
In physical and analytical chemistry , colorimetry or colourimetry is a technique used to determine the concentration of colored compounds in solution . [ 1 ] A colorimeter is a device used to test the magnitude of a solution by measuring its absorbance of a specific wavelength of light (not to be confused with the tri... | https://en.wikipedia.org/wiki/Colorimetry_(chemical_method) |
Colorogenic or colourogenic describes a property of chemical compounds which are initially not colored (i.e. they show negligible absorbance of visible light), but become colored through a chemical reaction, often through an intermolecular covalent reaction that either covalently binds the now colored compound to a tar... | https://en.wikipedia.org/wiki/Colorogenic |
Color–flavor locking ( CFL ) is a phenomenon that is expected to occur in ultra-high-density strange matter , a form of quark matter . The quarks form Cooper pairs , whose color properties are correlated with their flavor properties in a one-to-one correspondence between three color pairs and three flavor pairs. Accord... | https://en.wikipedia.org/wiki/Color–flavor_locking |
Colossal Biosciences Inc. is an American biotechnology and genetic engineering company working to de-extinct several extinct animals, including the woolly mammoth , the Tasmanian tiger , the northern white rhinoceros , the dire wolf , and the dodo . [ 1 ] [ 3 ] [ 4 ] [ 5 ] [ 6 ] [ 7 ] In 2023, it stated that it wants ... | https://en.wikipedia.org/wiki/Colossal_Biosciences |
Colossal Typewriter by John McCarthy and Roland Silver was one of the earliest computer text editors . [ 1 ] The program ran on the PDP-1 at Bolt, Beranek and Newman (BBN) by December 1960. [ 2 ] [ 3 ]
About this time, both authors were associated with the Massachusetts Institute of Technology , but it is unclear whet... | https://en.wikipedia.org/wiki/Colossal_Typewriter |
Colostrum (from Latin , of unknown origin) is the first form of milk produced by the mammary glands of humans and other mammals immediately following delivery of the newborn. [ 1 ] Animal colostrum may be called beestings , the traditional word from Old English dialects. [ 2 ] Most species will begin to generate colost... | https://en.wikipedia.org/wiki/Colostrum |
Color sorters or color sorters (sometimes called optical sorters , digital sorters , or electronic color sorters ) are machines used on production lines in bulk food processing and other industries. They sort items by color, detecting passing items' colors and using mechanical or pneumatic devices to divert items with ... | https://en.wikipedia.org/wiki/Colour_sorter |
The Columbia Basin Project (or CBP ) in Central Washington , United States, is the irrigation network that the Grand Coulee Dam makes possible. It is the largest water reclamation project in the United States, supplying irrigation water to over 670,000 acres (2,700 km 2 ) of the 1,100,000 acres (4,500 km 2 ) large proj... | https://en.wikipedia.org/wiki/Columbia_Basin_Project |
Columbitech , founded in 2000, provides wireless security to secure mobile devices , [ 1 ] with support for WLAN and public networks, including 3G , 4G and WiMAX . The company is headquartered in Stockholm, Sweden with offices in New York City . [ citation needed ]
The Columbitech mobile VPN provides remote network ac... | https://en.wikipedia.org/wiki/Columbitech |
A column or pillar in architecture and structural engineering is a structural element that transmits, through compression , the weight of the structure above to other structural elements below. In other words, a column is a compression member . The term column applies especially to a large round support (the shaft of t... | https://en.wikipedia.org/wiki/Column |
Column chromatography in chemistry is a chromatography method used to isolate a single chemical compound from a mixture. Chromatography is able to separate substances based on differential absorption of compounds to the adsorbent; compounds move through the column at different rates, allowing them to be separated into ... | https://en.wikipedia.org/wiki/Column_chromatography |
A column still , also called a continuous still , patent still or Coffey still , is a variety of still consisting of two columns . Column stills can produce rectified spirit (95% ABV ).
The first column (called the analyzer) in a column still has steam rising and wash descending through several levels. [ 1 ] The secon... | https://en.wikipedia.org/wiki/Column_still |
Colure , in astronomy , is either of the two principal meridians of the celestial sphere . [ 1 ] The term is now rarely used and may be considered obsolete.
The equinoctial colure is the meridian or great circle of the celestial sphere which passes through the celestial poles and the two equinoxes : [ 1 ] the first po... | https://en.wikipedia.org/wiki/Colure |
The Colworth Medal [ 1 ] [ 2 ] is awarded annually by the Biochemical Society to an outstanding research biochemist under the age of 35 and working mainly in the United Kingdom . The award is one of the most prestigious recognitions for young scientists in the UK, and was established by Tony James [ 3 ] FRS at Unilever... | https://en.wikipedia.org/wiki/Colworth_Medal |
A coma cocktail is a combination of substances administered in an emergency to comatose individuals when the cause of the coma has not yet been determined. [ 1 ] The intention is to work against various causes of a coma seen in an emergency setting including drug overdoses and hypoglycemia . The coma cocktail is someti... | https://en.wikipedia.org/wiki/Coma_cocktail |
Comb-drives are microelectromechanical actuators , often used as linear actuators , which utilize electrostatic forces that act between two electrically conductive combs. Comb drive actuators typically operate at the micro- or nanometer scale and are generally manufactured by bulk micromachining or surface micromachin... | https://en.wikipedia.org/wiki/Comb_drive |
The Combat Engineer Battalion (Norwegian: Ingeniørbataljonen ) is a combat engineering support unit of the Norwegian Army . The battalion is mostly based at Camp Camp Skjold in Troms county in Northern Norway with two additional companies stationed at Rena Military Camp in Rena , Innlandet county. [ 1 ] [ 2 ]
The batt... | https://en.wikipedia.org/wiki/Combat_Engineer_Battalion_(Norway) |
A combat engineer (also called pioneer or sapper ) is a type of soldier who performs military engineering tasks in support of land forces combat operations. Combat engineers perform a variety of military engineering, tunnel and mine warfare tasks, as well as construction and demolition duties in and out of combat zones... | https://en.wikipedia.org/wiki/Combat_engineer |
The Combes quinoline synthesis is a chemical reaction , which was first reported by Combes in 1888. Further studies and reviews of the Combes quinoline synthesis and its variations have been published by Alyamkina et al ., [ 1 ] Bergstrom and Franklin, [ 2 ] Born, [ 3 ] and Johnson and Mathews. [ 4 ]
The Combes quinol... | https://en.wikipedia.org/wiki/Combes_quinoline_synthesis |
In mathematics , a combination is a selection of items from a set that has distinct members, such that the order of selection does not matter (unlike permutations ). For example, given three fruits, say an apple, an orange and a pear, there are three combinations of two that can be drawn from this set: an apple and a p... | https://en.wikipedia.org/wiki/Combination |
Combination therapy or polytherapy is therapy that uses more than one medication or modality. Typically, the term refers to using multiple therapies to treat a single disease , and often all the therapies are pharmaceutical (although it can also involve non-medical therapy, such as the combination of medications and ta... | https://en.wikipedia.org/wiki/Combination_therapy |
Combinatorial Chemistry & High Throughput Screening is a peer-reviewed scientific journal that covers combinatorial chemistry . It was established in 1998 and is published by Bentham Science Publishers . The editor-in-chief is Gerald H. Lushington (LiS Consulting, Lawrence, KS, USA). The journal has 5 sections: Combina... | https://en.wikipedia.org/wiki/Combinatorial_Chemistry_&_High_Throughput_Screening |
In biotechnology , combinatorial biology is the creation of a large number of compounds (usually proteins or peptides) through technologies such as phage display . Similar to combinatorial chemistry , compounds are produced by biosynthesis rather than organic chemistry . This process was developed independently by Rich... | https://en.wikipedia.org/wiki/Combinatorial_biology |
Combinatorial chemistry comprises chemical synthetic methods that make it possible to prepare a large number (tens to thousands or even millions) of compounds in a single process. These compound libraries can be made as mixtures, sets of individual compounds or chemical structures generated by computer software. [ 1 ] ... | https://en.wikipedia.org/wiki/Combinatorial_chemistry |
In mathematics , a combinatorial class is a countable set of mathematical objects, together with a size function mapping each object to a non-negative integer, such that there are finitely many objects of each size. [ 1 ] [ 2 ]
The counting sequence of a combinatorial class is the sequence of the numbers of elements o... | https://en.wikipedia.org/wiki/Combinatorial_class |
Combinatorial matrix theory is a branch of linear algebra and combinatorics that studies matrices in terms of the patterns of nonzeros and of positive and negative values in their coefficients. [ 1 ] [ 2 ] [ 3 ]
Concepts and topics studied within combinatorial matrix theory include:
Researchers in combinatorial matri... | https://en.wikipedia.org/wiki/Combinatorial_matrix_theory |
A purely combinatorial approach to mirror symmetry was suggested by Victor Batyrev using the polar duality for d {\displaystyle d} -dimensional convex polyhedra. [ 1 ] The most famous examples of the polar duality provide Platonic solids : e.g., the cube is dual to octahedron , the dodecahedron is dual to icosahedron .... | https://en.wikipedia.org/wiki/Combinatorial_mirror_symmetry |
Combinatorial modelling is the process which lets us identify a suitable mathematical model to reformulate a problem. These combinatorial models will provide, through the combinatorics theory, the operations needed to solve the problem.
Simple combinatorial problems are the ones that can be solved by applying just one... | https://en.wikipedia.org/wiki/Combinatorial_modelling |
In mathematics , and in particular in combinatorics , the combinatorial number system of degree k (for some positive integer k ), also referred to as combinadics , or the Macaulay representation of an integer , is a correspondence between natural numbers (taken to include 0) N and k - combinations . The combinations ar... | https://en.wikipedia.org/wiki/Combinatorial_number_system |
In proving results in combinatorics several useful combinatorial rules or combinatorial principles are commonly recognized and used.
The rule of sum , rule of product , and inclusion–exclusion principle are often used for enumerative purposes. Bijective proofs are utilized to demonstrate that two sets have the same nu... | https://en.wikipedia.org/wiki/Combinatorial_principles |
In mathematics , the term combinatorial proof is often used to mean either of two types of mathematical proof :
The term "combinatorial proof" may also be used more broadly to refer to any kind of elementary proof in combinatorics. However, as Glass (2003) writes in his review of Benjamin & Quinn (2003) (a book about ... | https://en.wikipedia.org/wiki/Combinatorial_proof |
Combinatorial physics or physical combinatorics is the area of interaction between physics and combinatorics .
Combinatorics has always played an important role in quantum field theory and statistical physics . [ 3 ] However, combinatorial physics only emerged as a specific field after a seminal work by Alain Connes a... | https://en.wikipedia.org/wiki/Combinatorics_and_physics |
Combined Bisulfite Restriction Analysis (or COBRA ) is a molecular biology technique that allows for the sensitive quantification of DNA methylation levels at a specific genomic locus on a DNA sequence in a small sample of genomic DNA. [ 1 ] The technique is a variation of bisulfite sequencing , and combines bisulfite ... | https://en.wikipedia.org/wiki/Combined_bisulfite_restriction_analysis |
A combined cycle power plant is an assembly of heat engines that work in tandem from the same source of heat, converting it into mechanical energy . On land, when used to make electricity the most common type is called a combined cycle gas turbine ( CCGT ) plant, which is a kind of gas-fired power plant . The same prin... | https://en.wikipedia.org/wiki/Combined_cycle_power_plant |
A combined linear congruential generator ( CLCG ) is a pseudo-random number generator algorithm based on combining two or more linear congruential generators (LCG). A traditional LCG has a period which is inadequate for complex system simulation. [ 1 ] By combining two or more LCGs, random numbers with a longer period ... | https://en.wikipedia.org/wiki/Combined_linear_congruential_generator |
A combined sewer is a type of gravity sewer with a system of pipes, tunnels, pump stations etc. to transport sewage and urban runoff together to a sewage treatment plant or disposal site. This means that during rain events, the sewage gets diluted, resulting in higher flowrates at the treatment site. Uncontaminated sto... | https://en.wikipedia.org/wiki/Combined_sewer |
In computational chemistry and molecular dynamics , the combination rules or combining rules are equations that provide the interaction energy between two dissimilar non-bonded atoms, usually for the part of the potential representing the van der Waals interaction . [ 1 ] In the simulation of mixtures, the choice of co... | https://en.wikipedia.org/wiki/Combining_rules |
COMBREX is a multifaceted project that includes a database of gene annotations, functional predictions and recommendations based on Active Learning principles associated with millions of genes in prokaryotic genomes . [ 1 ]
COMBREX is a multifaceted project that aims to bring together the computational and experiment... | https://en.wikipedia.org/wiki/Combrex |
The Combs method is a rule base reduction method of writing fuzzy logic rules described by William E. Combs in 1997. It is designed to prevent combinatorial explosion in fuzzy logic rules. [ 1 ]
The Combs method takes advantage of the logical equality ( ( p ∧ q ) ⇒ r ) ⟺ ( ( p ⇒ r ) ∨ ( q ⇒ r ) ) {\displaystyle ((p\la... | https://en.wikipedia.org/wiki/Combs_method |
A combustible material is a material that can burn (i.e., sustain a flame ) in air under certain conditions. A material is flammable if it ignites easily at ambient temperatures. In other words, a combustible material ignites with some effort and a flammable material catches fire immediately on exposure to flame.
The ... | https://en.wikipedia.org/wiki/Combustibility_and_flammability |
Combustion , or burning , [ 1 ] is a high-temperature exothermic redox chemical reaction between a fuel (the reductant) and an oxidant , usually atmospheric oxygen , that produces oxidized, often gaseous products, in a mixture termed as smoke . Combustion does not always result in fire , because a flame is only visible... | https://en.wikipedia.org/wiki/Combustion |
Combustion, Explosion, and Shock Waves ( Russian : Fizika Goreniya i Vzryva , Физика горения и взрыва ) is the English-language translated version of the Russian peer-reviewed scientific journal , Fizika Goreniya i Vzryva . It covers the combustion of gases and materials, detonation processes, dispersal and transformat... | https://en.wikipedia.org/wiki/Combustion,_Explosion,_and_Shock_Waves |
Combustion Science and Technology is a monthly peer-reviewed scientific journal covering research on combustion . The editor-in-chief is Richard A. Yetter ( Pennsylvania State University ). It is published by Taylor & Francis and was established in 1964 as Pyrodynamics , obtaining its current name in 1969. [ 1 ]
The j... | https://en.wikipedia.org/wiki/Combustion_Science_and_Technology |
Combustion Theory and Modelling is a bimonthly peer-reviewed scientific journal covering research on combustion . The editors-in-chief are Moshe Matalon ( University of Illinois at Urbana–Champaign ) and Mitchell D. Smooke ( Yale University ). It is published by Taylor & Francis and was established in 1997. The foundin... | https://en.wikipedia.org/wiki/Combustion_Theory_and_Modelling |
Combustion analysis is a method used in both organic chemistry and analytical chemistry to determine the elemental composition (more precisely empirical formula ) of a pure organic compound by combusting the sample under conditions where the resulting combustion products can be quantitatively analyzed. Once the number ... | https://en.wikipedia.org/wiki/Combustion_analysis |
Combustion and Flame is a monthly peer-reviewed scientific journal published by Elsevier on behalf of the Combustion Institute . It covers fundamental research on combustion science. The editors-in-chief are Fokion Egolfopoulos ( University of Southern California ) and Thierry Poinsot ( Centre National de la Recherche... | https://en.wikipedia.org/wiki/Combustion_and_Flame |
Combustion chemical vapor deposition (CCVD) is a chemical process by which thin-film coatings are deposited onto substrates in the open atmosphere.
In the 1980s initial attempts were performed to improve the adhesion of metal-plastic composites in dental ceramics using flame-pyrolytically deposited silicon dioxide (Si... | https://en.wikipedia.org/wiki/Combustion_chemical_vapor_deposition |
Combustion efficiency refers to the effectiveness of the burning process in converting fuel into heat energy . It is measured by the proportion of fuel that is efficiently burned and converted into useful heat, while minimizing the emissions of pollutants. [ 1 ] [ 2 ]
Specifically, it may refer to:
depending on wheth... | https://en.wikipedia.org/wiki/Combustion_efficiency |
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