text
stringlengths
11
320k
source
stringlengths
26
161
Beryllium hydride (systematically named poly[beryllane(2)] and beryllium dihydride ) is an inorganic compound with the chemical formula ( BeH 2 ) n (also written ( [BeH 2 ] ) n or BeH 2 ). This alkaline earth hydride is a colourless solid that is insoluble in solvents that do not decompose it. Unlike the ionically bo...
https://en.wikipedia.org/wiki/BeH2
Magnesium hydroxide Beryllium hydroxide , Be(OH) 2 , is an amphoteric hydroxide , dissolving in both acids and alkalis . Industrially, it is produced as a by-product in the extraction of beryllium metal from the ores beryl and bertrandite . [ 7 ] The natural pure beryllium hydroxide is rare (in form of the mineral beh...
https://en.wikipedia.org/wiki/BeH2O2
Beryllium iodide is an inorganic compound with the chemical formula Be I 2 . It is a hygroscopic white solid. The Be 2+ cation, which is relevant to salt-like BeI 2 , is characterized by the highest known charge density (Z/r = 6.45), making it one of the hardest cations and a very strong Lewis acid . [ 4 ] Beryllium i...
https://en.wikipedia.org/wiki/BeI2
Beryllium oxide ( BeO ), also known as beryllia , is an inorganic compound with the formula BeO. This colourless solid is an electrical insulator with a higher thermal conductivity than any other non-metal except diamond , and exceeds that of most metals. [ 12 ] As an amorphous solid , beryllium oxide is white. Its hig...
https://en.wikipedia.org/wiki/BeO
Beryllium sulfate normally encountered as the tetrahydrate, [Be(H 2 O) 4 ]SO 4 is a white crystalline solid. It was first isolated in 1815 by Jons Jakob Berzelius . [ 4 ] Beryllium sulfate may be prepared by treating an aqueous solution of many beryllium salts with sulfuric acid , followed by evaporation of the solutio...
https://en.wikipedia.org/wiki/BeO4S
Beryllium sulfate normally encountered as the tetrahydrate, [Be(H 2 O) 4 ]SO 4 is a white crystalline solid. It was first isolated in 1815 by Jons Jakob Berzelius . [ 4 ] Beryllium sulfate may be prepared by treating an aqueous solution of many beryllium salts with sulfuric acid , followed by evaporation of the solutio...
https://en.wikipedia.org/wiki/BeSO4
Beryllium telluride (BeTe) is a chemical compound of beryllium and tellurium . It is a crystalline solid with the lattice constant of 0.5615 nm . It is a semiconductor with a large energy gap of around 3 eV. Toxicity is unknown. Toxic hydrogen telluride gas is evolved on exposure to water. This inorganic compound –re...
https://en.wikipedia.org/wiki/BeTe
beaTunes is a commercial software package for Microsoft Windows and Mac OS X , developed and distributed by tagtraum industries incorporated. The software has a free trial and costs $34.95. beaTunes was originally designed as a companion app to iTunes that can detect and edit the BPM in music from iTunes. [ 1 ] Since ...
https://en.wikipedia.org/wiki/BeaTunes
A beach advisory is a warning given by a local government to avoid swimming in a body of water. [ 1 ] Beach advisories do not automatically close bodies of water to swimmers but instead function as a warning to swimmers against swimming at a particular site. [ 2 ] Beach advisories are issued after unsafe levels of Ent...
https://en.wikipedia.org/wiki/Beach_advisory
Beacon Pharmaceuticals PLC is a Bangladeshi pharmaceutical company that develops generic version of medications. Beacon manufactures more than 200 generic drugs and 65 oncology products. Beacon is the first company in Bangladesh to start export of cancer drugs. [ 1 ] [ 2 ] The company is exporting its products to Asia...
https://en.wikipedia.org/wiki/Beacon_Pharmaceuticals
The Beacon of ICT Awards also known as BoICT Awards are annual ICT awards recognizing organizations' or individuals' contributions to ICT development in Nigeria . The award is organized by Ken Nwogbo , the founder and Editor-in-Chief of Nigeria CommunicationsWeek , a leading [ 1 ] Nigerian ICT newspaper published in La...
https://en.wikipedia.org/wiki/Beacon_of_ICT_Awards
The bead test is a traditional part of qualitative inorganic analysis to test for the presence of certain metals. The oldest one is the borax bead test or blister test . It was introduced by Berzelius in 1812. [ 1 ] Since then other salts were used as fluxing agents , such as sodium carbonate or sodium fluoride . The m...
https://en.wikipedia.org/wiki/Bead_test
The bead theory is a disproved hypothesis that genes are arranged on the chromosome like beads on a necklace . This theory was first proposed by Thomas Hunt Morgan after discovering genes through his work with breeding red and white eyed fruit flies. [ 1 ] According to this theory, the existence of a gene as a unit of ...
https://en.wikipedia.org/wiki/Bead_theory
Beagle 3 [ 1 ] [ 2 ] (also called Beagle 2: Evolution ) was a proposed Mars lander mission to search for life on Mars , past or present. Beagle 3 was the proposed successor to the failed British Beagle 2 Mars lander , with which communication was lost. Beagle 3 was promoted by Professor Colin Pillinger , lead scientist...
https://en.wikipedia.org/wiki/Beagle_3
The "Beagle Club" radiation experiments were a series of studies sponsored by the United States Atomic Energy Commission , which took place over four decades starting in the 1950s. [ 1 ] [ 2 ] [ 3 ] They were conducted across six American states at research facilities including Argonne National Laboratory in Chicago; C...
https://en.wikipedia.org/wiki/Beagle_Club_radiation_experiments
The beak is part of the shell of a bivalve mollusk , i.e. part of the shell of a saltwater or freshwater clam. The beak is the basal projection of the oldest part of the valve of the adult animal. The beak usually, but not always, coincides with the umbo , the highest and most prominent point on the valve. Because by ...
https://en.wikipedia.org/wiki/Beak_(bivalve)
The Beal conjecture is the following conjecture in number theory : Equivalently, The conjecture was formulated in 1993 by Andrew Beal , a banker and amateur mathematician , while investigating generalizations of Fermat's Last Theorem . [ 2 ] [ 3 ] Since 1997, Beal has offered a monetary prize for a peer-reviewed proo...
https://en.wikipedia.org/wiki/Beal_conjecture
In mechanical engineering , the Beale number is a parameter that characterizes the performance of Stirling engines . [ 1 ] It is often used to estimate the power output of a Stirling engine design. For engines operating with a high temperature differential, typical values for the Beale number are in the range 0.11−0.1...
https://en.wikipedia.org/wiki/Beale_number
Beam's eye view (abbreviated BEV ) is an imaging technique used in radiation therapy for quality assurance and planning of external beam radiotherapy (EBRT). These are primarily used to ensure that the relative orientation of the patient and the treatment machine are correct. The BEV image will typically include the im...
https://en.wikipedia.org/wiki/Beam's_eye_view
A beam is a structural element that primarily resists loads applied laterally across the beam's axis (an element designed to carry a load pushing parallel to its axis would be a strut or column). Its mode of deflection is primarily by bending , as loads produce reaction forces at the beam's support points and internal ...
https://en.wikipedia.org/wiki/Beam_(structure)
Beam Therapeutics Inc. is an American biotechnology company conducting research in the field of gene therapies and genome editing . The company is headquartered in Cambridge, Massachusetts . In the development of therapies, the company relies on CRISPR and prime editing , whereby single nucleotides in a DNA sequence ca...
https://en.wikipedia.org/wiki/Beam_Therapeutics
Beam and block is a construction method to support flooring , especially for ground floors as well as multi story buildings. [ 1 ] It is made of cast concrete , one piece of which is a prestressed concrete beam , which can be an inverted T-shaped beam, or lintel, the other piece being a simple rectangular block. [ 1 ] ...
https://en.wikipedia.org/wiki/Beam_and_block
The beam origin concept is used to describe the mechanisms governing the ecological condition of running waters . It is based on the positive influence of sections in very good condition on sections in less good condition. The idea was first introduced in 2008 by the German Council for Land Stewardship to reach the goa...
https://en.wikipedia.org/wiki/Beam_origin_concept
Beam park is a radar mode used for space surveillance , particularly tracking space debris . In beam-park mode, a radar beam is kept in a fixed direction with respect to the Earth, while objects passing through the beam are tracked. In 24 hours, as a result of the Earth’s rotation, the radar effectively scans a narrow ...
https://en.wikipedia.org/wiki/Beam_park
A beam splitter or beamsplitter is an optical device that splits a beam of light into a transmitted and a reflected beam. It is a crucial part of many optical experimental and measurement systems, such as interferometers , also finding widespread application in fibre optic telecommunications . In its most common form,...
https://en.wikipedia.org/wiki/Beam_splitter
A beam spoiler is a piece of material, placed into the path of the photon beam in radiotherapy . The purpose of the spoiler is to reduce the depth of the maximum radiation dosage. [ 1 ] The beam spoiler is composed of a sheet of material which has a low atomic number , [ 2 ] typically lucite , the thickness of which i...
https://en.wikipedia.org/wiki/Beam_spoiler
In accelerator physics , a beamline refers to the trajectory of the beam of particles, including the overall construction of the path segment (guide tubes, diagnostic devices) along a specific path of an accelerator facility. This part is either Beamlines usually end in experimental stations that utilize particle beam...
https://en.wikipedia.org/wiki/Beamline
Bean's critical state model , introduced by C. P. Bean [ 1 ] [ 2 ] in 1962, gives a macroscopic explanation of the irreversible magnetization behavior ( hysteresis ) of hard Type-II superconductors . Hard superconductors often exhibit hysteresis in magnetization measurements. C. P. Bean postulated for the Shubnikov ph...
https://en.wikipedia.org/wiki/Bean's_critical_state_model
Beard oil is a cosmetic product that is used to nourish both the skin under the beard and the beard itself in order to keep it "soft, shiny, and smooth". [ 1 ] Beard oil mimics the natural oils produced by skin, such as sebum , and is composed mainly of carrier oils and essential oils. Beard oil products are a blend o...
https://en.wikipedia.org/wiki/Beard_oil
A bearing is a machine element that constrains relative motion to only the desired motion and reduces friction between moving parts . The design of the bearing may, for example, provide for free linear movement of the moving part or for free rotation around a fixed axis ; or, it may prevent a motion by controlling the ...
https://en.wikipedia.org/wiki/Bearing_(mechanical)
A bearing compass, is a nautical instrument used to determine the bearing of observed objects. (Bearing: angle formed by the north and the visual to a certain object in the sea or ashore). Used in navigation to determine the angle between the direction of an object and the magnetic north or, indirectly relative to anot...
https://en.wikipedia.org/wiki/Bearing_compass
Bearing pressure is a particular case of contact mechanics often occurring in cases where a convex surface (male cylinder or sphere) contacts a concave surface (female cylinder or sphere: bore or hemispherical cup ). Excessive contact pressure can lead to a typical bearing failure such as a plastic deformation similar ...
https://en.wikipedia.org/wiki/Bearing_pressure
A bearing surface in mechanical engineering is the area of contact between two objects. It usually is used in reference to bolted joints and bearings , but can be applied to a wide variety of engineering applications. The choice of bearing surface depends on the application, load, speed, and operating conditions, and t...
https://en.wikipedia.org/wiki/Bearing_surface
In a radio receiver , a beat frequency oscillator or BFO is a dedicated oscillator used to create an audio frequency signal from Morse code radiotelegraphy ( CW ) transmissions to make them audible. The signal from the BFO is mixed with the received signal to create a heterodyne or beat frequency which is heard as a to...
https://en.wikipedia.org/wiki/Beat_frequency_oscillator
Beate Paulus is a German chemist and professor of theoretical chemistry at the Free University of Berlin (FU Berlin). [ 1 ] [ 2 ] [ 3 ] [ 4 ] Paulus studied physics at the University of Regensburg from 1987 to 1993, [ 5 ] She graduated with a thesis under J. Keller entitled "Electrical conductivity in fullerides" [ 5 ...
https://en.wikipedia.org/wiki/Beate_Paulus
A beater or batten , is a weaving tool designed to push the weft yarn securely into place. In small hand weaving such as Inkle weaving and tablet weaving the beater may be combined with the shuttle into a single tool. In rigid heddle looms the beater is combined with the heddles . Beaters appear both in a hand-held for...
https://en.wikipedia.org/wiki/Beater_(weaving)
A beating net , also known as beating sheet , beat sheet or beating tray , is a device used to collect insects . It consists of a white cloth stretched out on a circular or rectangular frame which may be dismantled for transport. The beating tray is held under a tree or shrub and the foliage is then shaken or beaten wi...
https://en.wikipedia.org/wiki/Beating_net
The Beatrice M. Tinsley Prize is awarded every other year by the American Astronomical Society in recognition of an outstanding research contribution to astronomy or astrophysics of an exceptionally creative or innovative character. [ 1 ] The prize is named in honor of the cosmologist and astronomer Beatrice Tinsley . ...
https://en.wikipedia.org/wiki/Beatrice_M._Tinsley_Prize
Beatriz Roldán Cuenya (born 1976 in Oviedo ) is a Spanish physicist working in surface science and catalysis . Since 2017 she has been director of the Department of Interface Science at the Fritz Haber Institute of the Max Planck Society in Berlin , Germany. Since April 2023, she has also been interim director of the D...
https://en.wikipedia.org/wiki/Beatriz_Roldán_Cuenya
In mathematics , a Beatty sequence (or homogeneous Beatty sequence ) is the sequence of integers found by taking the floor of the positive multiples of a positive irrational number . Beatty sequences are named after Samuel Beatty , who wrote about them in 1926. Rayleigh's theorem , named after Lord Rayleigh , states t...
https://en.wikipedia.org/wiki/Beatty_sequence
The Beau Geste hypothesis in animal behaviour is the hypothesis that tries to explain why some avian species have such elaborate song repertoires for the purpose of territorial defence . The hypothesis takes its name from the 1924 book Beau Geste and was coined by John Krebs in 1977. [ 1 ] The Beau Geste hypothesis wh...
https://en.wikipedia.org/wiki/Beau_Geste_hypothesis
Bebionic is a commercial prosthetic hand designed to enable amputees to perform everyday activities, such as eating, drinking, writing, typing, turning a key in a lock and picking up small objects. The first version of the Bebionic hand was launched at the World Congress and Orthopädie & Reha-Technik, Trade Show, Leipz...
https://en.wikipedia.org/wiki/Bebionic
In organic synthesis the Béchamp reaction is used for producing arsonic acids from activated aromatic substrates. The reaction is an electrophilic aromatic substitution , using arsenic acid as the electrophile. The reaction proceeds according to this idealized stoichiometry for the preparation of arsanilic acid : [ 1 ...
https://en.wikipedia.org/wiki/Bechamp_reaction
The Becher process is a process to produce rutile , a form of titanium dioxide , from the ore ilmenite . Although it is competitive with the chloride process and the sulfate process, . [ 1 ] [ 2 ] the Becher process is not used on scale. [ 3 ] With the idealized formula FeTiO 3 , ilmenite contains 55-65% titanium diox...
https://en.wikipedia.org/wiki/Becher_process
In organic chemistry , a Bechgaard salt is any one of a number of organic charge-transfer complexes that exhibit superconductivity at low temperatures. [ 1 ] They are named for chemist Klaus Bechgaard , who was one of the first scientists to synthesize them and demonstrate their superconductivity with the help of physi...
https://en.wikipedia.org/wiki/Bechgaard_salt
In discrete geometry , Beck's theorem is any of several different results, two of which are given below. Both appeared, alongside several other important theorems, in a well-known paper by József Beck . [ 1 ] The two results described below primarily concern lower bounds on the number of lines determined by a set of po...
https://en.wikipedia.org/wiki/Beck's_theorem_(geometry)
Becker–Morduchow–Libby solution is an exact solution of the compressible Navier–Stokes equations , that describes the structure of one-dimensional shock waves . The solution was discovered in a restrictive form by Richard Becker in 1922, which was generalized by Morris Morduchow and Paul A. Libby in 1949. [ 1 ] [ 2 ] T...
https://en.wikipedia.org/wiki/Becker–Morduchow–Libby_solution
The Beckman Young Investigators Award was established by Mabel and Arnold Beckman in 1991, [ 1 ] : 357 and is now administered by the Arnold and Mabel Beckman Foundation . [ 2 ] The Beckman Young Investigator (BYI) Program is intended to provide research support to promising young faculty members in the early stages of...
https://en.wikipedia.org/wiki/Beckman_Young_Investigators_Award
The Beckmann rearrangement , named after the German chemist Ernst Otto Beckmann (1853–1923), is a rearrangement of an oxime functional group to substituted amides . [ 1 ] [ 2 ] The rearrangement has also been successfully performed on haloimines and nitrones . Cyclic oximes and haloimines yield lactams . The Beckmann ...
https://en.wikipedia.org/wiki/Beckmann_rearrangement
Bedford Research Foundation is a non-profit Institute that conducts stem cell research for diseases and conditions that currently have no known cure. [ 1 ] The institute also created the Special Program of Assisted Reproduction (SPAR), a program that assists serodiscordant couples successfully achieve pregnancy. [ 2 ] ...
https://en.wikipedia.org/wiki/Bedford_Research_Foundation
Bedoradrine ( INN Tooltip International Nonproprietary Name ; developmental code names KUR-1246 , MN-221 ) is a sympathomimetic and bronchodilator medication that was developed for the treatment of preterm labor , asthma , and chronic obstructive pulmonary disease (COPD) but was never marketed. [ 1 ] [ 2 ] [ 3 ] It act...
https://en.wikipedia.org/wiki/Bedoradrine
BeeBase was an online bioinformatics database that hosted data related to Apis mellifera , the European honey bee along with some pathogens and other species. It was developed in collaboration with the Honey Bee Genome Sequencing Consortium . [ 1 ] In 2020 it was archived and replaced by the Hymenoptera Genome Database...
https://en.wikipedia.org/wiki/BeeBase
A wood waste burner, known as a teepee burner or wigwam burner in the United States and a beehive burner in Canada , is a free-standing conical steel structure usually ranging from 30 to 60 feet in height. They are named for their resemblance to beehives , teepees or wigwams . A sawdust burner is cylindrical. They have...
https://en.wikipedia.org/wiki/Beehive_burner
Wijsman convergence is a variation of Hausdorff convergence suitable for work with unbounded sets . Intuitively, Wijsman convergence is to convergence in the Hausdorff metric as pointwise convergence is to uniform convergence . The convergence was defined by Robert Wijsman . [ 1 ] The same definition was used earlier ...
https://en.wikipedia.org/wiki/Beer's_theorem
The chemical compounds in beer give it a distinctive taste, smell and appearance. The majority of compounds in beer come from the metabolic activities of plants and yeast and so are covered by the fields of biochemistry and organic chemistry . [ 1 ] The main exception is that beer contains over 90% water and the minera...
https://en.wikipedia.org/wiki/Beer_chemistry
The Beer–Bouguer–Lambert (BBL) extinction law is an empirical relationship describing the attenuation in intensity of a radiation beam passing through a macroscopically homogenous medium with which it interacts. Formally, it states that the intensity of radiation decays exponentially in the absorbance of the medium, a...
https://en.wikipedia.org/wiki/Beer–Lambert_law
Beevers–Lipson strips were a computational aid for early crystallographers in calculating Fourier transforms to determine the structure of crystals from crystallographic data, [ 2 ] enabling the creation of models for complex molecules. [ 3 ] They were used from the 1930s [ 1 ] until computers with enough power became ...
https://en.wikipedia.org/wiki/Beevers–Lipson_strip
Begriffsschrift (German for, roughly, "concept-writing") is a book on logic by Gottlob Frege , published in 1879, and the formal system set out in that book. Begriffsschrift is usually translated as concept writing or concept notation ; the full title of the book identifies it as "a formula language , modeled on that ...
https://en.wikipedia.org/wiki/Begriffsschrift
Behavior ( American English ) or behaviour ( British English ) is the range of actions and mannerisms made by individuals , organisms , systems or artificial entities in some environment. These systems can include other systems or organisms as well as the inanimate physical environment. It is the computed response of t...
https://en.wikipedia.org/wiki/Behavior
Behavior-based robotics ( BBR ) or behavioral robotics is an approach in robotics that focuses on robots that are able to exhibit complex-appearing behaviors despite little internal variable state to model its immediate environment, mostly gradually correcting its actions via sensory-motor links. Behavior-based roboti...
https://en.wikipedia.org/wiki/Behavior-based_robotics
Behavior modification is a treatment approach that uses respondent and operant conditioning to change behavior. Based on methodological behaviorism , [ 1 ] overt behavior is modified with (antecedent) stimulus control and consequences, including positive and negative reinforcement contingencies to increase desirable be...
https://en.wikipedia.org/wiki/Behavior_modification
A behaviour mutation is a genetic mutation that alters genes that control the way in which an organism behaves, causing their behavioural patterns to change. A mutation is a change or error in the genomic sequence of a cell. [ 1 ] It can occur during meiosis or replication of DNA , as well as due to ionizing or UV rad...
https://en.wikipedia.org/wiki/Behavior_mutation
This page describes how uranium dioxide nuclear fuel behaves during both normal nuclear reactor operation and under reactor accident conditions, such as overheating. Work in this area is often very expensive to conduct, and so has often been performed on a collaborative basis between groups of countries, usually under ...
https://en.wikipedia.org/wiki/Behavior_of_nuclear_fuel_during_a_reactor_accident
In artificial intelligence , a behavior selection algorithm , [ 1 ] or action selection algorithm , is an algorithm that selects appropriate behaviors or actions for one or more intelligent agents . In game artificial intelligence , it selects behaviors or actions for one or more non-player characters . Common behavior...
https://en.wikipedia.org/wiki/Behavior_selection_algorithm
A behavior tree is a structured visual modeling technique in systems and software engineering . It represents a system's function with a tree-shaped diagram and provides a clear visual overview of behavior. This is accomplished by replacing elements of natural language that could be potentially unclear with visual elem...
https://en.wikipedia.org/wiki/Behavior_tree
A behavioral cusp is any behavior change that brings an organism's behavior into contact with new contingencies that have far-reaching consequences. [ 1 ] A behavioral cusp is a special type of behavior change because it provides the learner with opportunities to access new reinforcers, new contingencies, new environme...
https://en.wikipedia.org/wiki/Behavioral_cusp
Behavioral epigenetics is the field of study examining the role of epigenetics in shaping animal and human behavior . [ 1 ] It seeks to explain how nurture shapes nature, [ 2 ] where nature refers to biological heredity [ 3 ] and nurture refers to virtually everything that occurs during the life-span (e.g., social-expe...
https://en.wikipedia.org/wiki/Behavioral_epigenetics
Behavioral game theory seeks to examine how people's strategic decision-making behavior is shaped by social preferences, social utility and other psychological factors. [ 1 ] Behavioral game theory analyzes interactive strategic decisions and behavior using the methods of game theory , [ 2 ] experimental economics , an...
https://en.wikipedia.org/wiki/Behavioral_game_theory
Behavioral geography is an approach to human geography that examines human behavior by separating it into different parts. In addition, behavioral geography is an ideology/approach in human geography that makes use of the methods and assumptions of behaviorism to determine the cognitive processes involved in an individ...
https://en.wikipedia.org/wiki/Behavioral_geography
The behavioral immune system is a phrase coined by the psychological scientist Mark Schaller to refer to a suite of psychological mechanisms that allow individual organisms to detect the potential presence of infectious parasites or pathogens in their immediate environment, and to engage in behaviors that prevent conta...
https://en.wikipedia.org/wiki/Behavioral_immune_system
The behavioral approach to systems theory and control theory was initiated in the late-1970s by J. C. Willems as a result of resolving inconsistencies present in classical approaches based on state-space, transfer function, and convolution representations. This approach is also motivated by the aim of obtaining a gener...
https://en.wikipedia.org/wiki/Behavioral_modeling
In hydrology , behavioral modeling is a modeling approach that focuses on the modeling of the behavior of hydrological systems . The behavioral modeling approach makes the main assumption that every system, given its environment, has a most probable behavior. This most probable behavior can be either determined direct...
https://en.wikipedia.org/wiki/Behavioral_modeling_in_hydrology
Fertile Crescent : Europe : Africa : Siberia : Behavioral modernity is a suite of behavioral and cognitive traits believed to distinguish current Homo sapiens from other anatomically modern humans , hominins , and primates . [ 1 ] Most scholars agree that modern human behavior can be characterized by abstract think...
https://en.wikipedia.org/wiki/Behavioral_modernity
Behavioral operations management (often called behavioral operations ) examines and takes into consideration human behaviours and emotions when facing complex decision problems. [ 1 ] It relates to the behavioral aspects of the use of operations research and operations management . In particular, it focuses on understa...
https://en.wikipedia.org/wiki/Behavioral_operations_management
Behavioral plasticity is the change in an organism's behavior that results from exposure to stimuli, such as changing environmental conditions. [ 1 ] Behavior can change more rapidly in response to changes in internal or external stimuli than is the case for most morphological traits and many physiological traits. As a...
https://en.wikipedia.org/wiki/Behavioral_plasticity
Behavioral spillover is the measurable effect that one behavioral intervention has on other behaviors that are not being targeted. Some definitions of behavioral spillover do not require that the first action was the result of an external intervention. Common requirements for defining behavioral spillover include requi...
https://en.wikipedia.org/wiki/Behavioral_spillover
Behavioral urbanism and its related area of study, behavioral architecture, is an interdisciplinary field focused on the interaction between humans and the built environment, studying the effects of social, cognitive , and emotional factors in understanding the spatial behavior of individuals . [ 1 ] This article rela...
https://en.wikipedia.org/wiki/Behavioral_urbanism
Behavioural design is a sub-category of design , which is concerned with how design can shape, or be used to influence human behaviour. [ 1 ] [ 2 ] All approaches of design for behaviour change acknowledge that artifacts have an important influence on human behaviour and/or behavioural decisions. They strongly draw on ...
https://en.wikipedia.org/wiki/Behavioural_design
Behentrimonium chloride , also known as docosyltrimethylammonium chloride or BTAC-228 , is a yellow waxlike organic compound with chemical formula CH 3 (CH 2 ) 21 N(Cl)(CH 3 ) 3 , used as an antistatic agent and, sometimes, a disinfectant . It is commonly found in cosmetics such as conditioners , hair dye , and mousse...
https://en.wikipedia.org/wiki/Behentrimonium_chloride
In arithmetic combinatorics , Behrend's theorem states that the subsets of the integers from 1 to n {\displaystyle n} in which no member of the set is a multiple of any other must have a logarithmic density that goes to zero as n {\displaystyle n} becomes large. The theorem is named after Felix Behrend , who published ...
https://en.wikipedia.org/wiki/Behrend's_theorem
In algebraic geometry , the Behrend function of a scheme X , introduced by Kai Behrend , is a constructible function such that if X is a quasi-projective proper moduli scheme carrying a symmetric obstruction theory , then the weighted Euler characteristic is the degree of the virtual fundamental class of X , which i...
https://en.wikipedia.org/wiki/Behrend_function
In statistics , the Behrens–Fisher problem , named after Walter-Ulrich Behrens and Ronald Fisher , is the problem of interval estimation and hypothesis testing concerning the difference between the means of two normally distributed populations when the variances of the two populations are not assumed to be equal, based...
https://en.wikipedia.org/wiki/Behrens–Fisher_problem
Beijing Institute of Mathematical Sciences and Applications (BIMSA), [ 1 ] located in Huairou district of Beijing, is an international mathematics research institution, co-sponsored by Beijing Municipal Government and Tsinghua University . BIMSA is dedicated to advancing research in mathematics, theoretical physics, c...
https://en.wikipedia.org/wiki/Beijing_Institute_of_Mathematical_Sciences_and_Applications
The Beijing Schmidt CCD Asteroid Program ( SCAP ) was an astronomical survey to search for near-Earth objects . It was conducted during the 1990s, at the Xinglong Station in Xinglong County , Chengde , Hebei province, China [ 2 ] and resulted in the discovery of more than a thousand numbered minor planets . [ 1 ] Fund...
https://en.wikipedia.org/wiki/Beijing_Schmidt_CCD_Asteroid_Program
The Beilby Medal and Prize is awarded annually to a scientist or engineer for work that has exceptional practical significance in chemical engineering, applied materials science, energy efficiency or a related field. [ 1 ] [ 2 ] [ 3 ] The prize is jointly administered by the Institute of Materials, Minerals and Mining ...
https://en.wikipedia.org/wiki/Beilby_Medal_and_Prize
The Beilstein Journal of Organic Chemistry is a peer-reviewed diamond open-access scientific journal established in 2005. The journal is published and completely funded by the Beilstein Institute for the Advancement of Chemical Sciences , a German non-profit foundation . The editor-in-chief is Peter Seeberger ( Max Pla...
https://en.wikipedia.org/wiki/Beilstein_Journal_of_Organic_Chemistry
The Beilstein Registry Number is a way of identifying compounds similar to the CAS registry number . It is the unique identifier for compounds in the Beilstein database . [ 1 ] [ 2 ] This chemistry -related article is a stub . You can help Wikipedia by expanding it .
https://en.wikipedia.org/wiki/Beilstein_Registry_Number
The Beilstein database is a database in the field of organic chemistry , in which compounds are uniquely identified by their Beilstein Registry Number . The database covers the scientific literature from 1771 to the present and contains experimentally validated information on millions of chemical reactions and substanc...
https://en.wikipedia.org/wiki/Beilstein_database
The Beilstein test is a simple qualitative chemical test for organic halides . It was developed by Friedrich Konrad Beilstein . [ 1 ] A copper wire is cleaned and heated in a Bunsen burner flame to form a coating of copper(II) oxide . It is then dipped in the sample to be tested and once again heated in a flame. A pos...
https://en.wikipedia.org/wiki/Beilstein_test
In computability theory , Bekić's theorem or Bekić's lemma is a theorem about fixed-points which allows splitting a mutual recursion into recursions on one variable at a time. [ 1 ] [ 2 ] [ 3 ] It was created by Austrian Hans Bekić (1936-1982) in 1969, [ 4 ] and published posthumously in a book by Cliff Jones in 1984. ...
https://en.wikipedia.org/wiki/Bekić's_theorem
BelAZ ( Belarusian : Беларускі аўтамабільны завод , romanized : Belaruski autamabilny zavod , lit. 'Belarusian Automobile Plant', Russian : Белорусский автомобильный завод or БелАЗ , romanized : Belorusskii avtomobilnyi zavod ) is a Belarusian automobile plant and one of the world's largest manufacturers of large and e...
https://en.wikipedia.org/wiki/BelAZ
Belantamab mafodotin , sold under the brand name Blenrep , is a monoclonal antibody conjugated with a cytotoxic agent for the treatment of relapsed and refractory multiple myeloma . [ 1 ] [ 4 ] [ 5 ] [ 2 ] The most common adverse reactions include keratopathy (corneal epithelium change on eye exam), decreased visual a...
https://en.wikipedia.org/wiki/Belantamab_mafodotin
In quantum probability , the Belavkin equation , also known as Belavkin-Schrödinger equation , quantum filtering equation , stochastic master equation , is a quantum stochastic differential equation describing the dynamics of a quantum system undergoing observation in continuous time. It was derived and henceforth stu...
https://en.wikipedia.org/wiki/Belavkin_equation
Belgian Scientific Expedition was a scientific survey of the Great Barrier Reef , conducted in 1967–1968. The Belgian Scientific Expedition to the Great Barrier Reef was a seven month expedition beginning in 1967, sponsored by the University of Liege , Belgium, the Belgium Ministry of Education and the National Founda...
https://en.wikipedia.org/wiki/Belgian_Scientific_Expedition
The Belgian Society of Biochemistry and Molecular Biology ( BMB ) is a Belgian non-profit organization, concerned with biochemistry and molecular biology . [ 1 ] [ 2 ] The BMB was created, based on an initiative of Marcel Florkin , so a Belgian society could join the new International Union of Biochemistry . The first...
https://en.wikipedia.org/wiki/Belgian_Society_of_Biochemistry_and_Molecular_Biology
The IT sector of Belgrade is the concentration of information technology centers and service providers in the Serbian Capital of Belgrade , comprising 6,924 companies as of 2013 [update] . [ 1 ] The IT sector in Serbia is projected to become largest sector of the Serbian economy. [ 2 ] Microsoft , Huawei , and Kaspers...
https://en.wikipedia.org/wiki/Belgrade_IT_sector
Belief propagation , also known as sum–product message passing , is a message-passing algorithm for performing inference on graphical models , such as Bayesian networks and Markov random fields . It calculates the marginal distribution for each unobserved node (or variable), conditional on any observed nodes (or variab...
https://en.wikipedia.org/wiki/Belief_propagation
Belief revision (also called belief change ) is the process of changing beliefs to take into account a new piece of information. The logical formalization of belief revision is researched in philosophy , in databases , and in artificial intelligence for the design of rational agents . What makes belief revision non-tr...
https://en.wikipedia.org/wiki/Belief_revision
For popular psychology , the belief–desire–intention ( BDI ) model of human practical reasoning was developed by Michael Bratman as a way of explaining future-directed intention. BDI is fundamentally reliant on folk psychology (the 'theory theory'), which is the notion that our mental models of the world are theories....
https://en.wikipedia.org/wiki/Belief–desire–intention_model
The belief–desire–intention software model ( BDI ) is a software model developed for programming intelligent agents . Superficially characterized by the implementation of an agent's beliefs , desires and intentions , it actually uses these concepts to solve a particular problem in agent programming. In essence, it prov...
https://en.wikipedia.org/wiki/Belief–desire–intention_software_model