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Ageing (or aging in American English ) is the process of becoming older until death . The term refers mainly to humans , many other animals , and fungi; whereas for example, bacteria, perennial plants and some simple animals are potentially biologically immortal . In a broader sense, ageing can refer to single cells wi... | https://en.wikipedia.org/wiki/Ageing |
Agence nationale de sécurité du médicament et des produits de santé ( ANSM ) is a drug regulator in France. ANSM is responsible for assessing the benefits and risks associated with the use of drugs and other medical products throughout their life-cycle: it assesses the safety, efficacy and quality of these products and... | https://en.wikipedia.org/wiki/Agence_nationale_de_sécurité_du_médicament_et_des_produits_de_santé |
Agent-assisted automation is a type of call center technology that automates elements of what the call center agent 1) does with his/her desktop tools and/or 2) says to customers during the call using pre-recorded audio. It is a relatively new [ when? ] category of call center technology that shows promise in improving... | https://en.wikipedia.org/wiki/Agent-assisted_automation |
In economics , an agent is an actor (more specifically, a decision maker ) in a model of some aspect of the economy . Typically, every agent makes decisions by solving a well- or ill-defined optimization or choice problem.
For example, buyers ( consumers ) and sellers ( producers ) are two common types of agents in pa... | https://en.wikipedia.org/wiki/Agent_(economics) |
Agent Communication Language ( ACL ), proposed by the Foundation for Intelligent Physical Agents (FIPA), is a proposed standard language for agent communications. Knowledge Query and Manipulation Language (KQML) is another proposed standard.
The most popular ACLs are:
Both rely on speech act theory developed by Searl... | https://en.wikipedia.org/wiki/Agent_Communications_Language |
The Agentase Chemical Agent Detection (CAD) Kit , formerly known as the Fido C1 CAD Kit, is an enzyme -based chemical detection kit that contains six different sensors that are designed to detect specific chemical warfare agents (CWAs) and other toxic chemical contaminants at trace levels. The kit is provided in a smal... | https://en.wikipedia.org/wiki/Agentase_Chemical_Agent_Detection_Kit |
The 'ten agents of deterioration ' are a conceptual framework developed by the Canadian Conservation Institute (CCI) used to categorise the major causes of change, loss or damage to cultural heritage objects (such as collections held by galleries, libraries, archives and museums). [ 1 ] Also referred to as the 'agents ... | https://en.wikipedia.org/wiki/Agents_of_deterioration |
Agglomerate is a material composed of iron oxides and gangue , roasted and sintered [ notes 1 ] [ 1 ] in an agglomeration plant. This product is obtained by burning coal previously mixed with iron ore and oxides. This conditioning of iron ore optimizes its use in the blast furnace.
The advantages of agglomeration were... | https://en.wikipedia.org/wiki/Agglomerate_(steel_industry) |
Agglomerated food powder is a unit operation during which native particles are assembled to form bigger agglomerates, in which the original particle can still be distinguished. [ 1 ] Agglomeration can be achieved through processes that use liquid as a binder (wet methods) or methods that do not involve any binder (dry ... | https://en.wikipedia.org/wiki/Agglomerated_food_powder |
Agglomerins are bacterial natural products , identified as metabolites of Pantoea agglomerans which was isolated in 1989 from river water in Kobe , Japan . [ 1 ] They belong to the class of tetronate antibiotics, which include tetronomycin , tetronasin , and abyssomicin C . The members of the agglomerins differ only in... | https://en.wikipedia.org/wiki/Agglomerin |
Agglutination is the clumping of particles. The word agglutination comes from the Latin agglutinare (glueing to).
Agglutination is a reaction in which particles (as red blood cells or bacteria) suspended in a liquid collect into clumps usually as a response to a specific antibody.
This occurs in biology in two main ... | https://en.wikipedia.org/wiki/Agglutination_(biology) |
Aggregate Spend is the process used in the United States to aggregate and monitor the total amount spent by healthcare manufacturers on individual healthcare professionals and organizations (HCP/O) through payments, gifts, honoraria , travel and other means. Also often referred to as the Physician Payments Sunshine Act... | https://en.wikipedia.org/wiki/Aggregate_Spend |
In relation to biomechanics , the aggregate modulus (Ha) is a measurement of the stiffness of a material at equilibrium when fluid has ceased flowing through it, under the application of a constant load or strain in a confined compression configuration. [ 1 ] The aggregate modulus can be calculated from Young's modulus... | https://en.wikipedia.org/wiki/Aggregate_modulus |
An aggregated distribution , commonly found among predators , parasites , and plants is a highly uneven ( skewed ) statistical distribution pattern in which they collect or aggregate in regions. These regions may be widely separated, particularly within animal distributions that are influenced by prey or host densities... | https://en.wikipedia.org/wiki/Aggregated_distribution |
Aggregation-induced emission (AIE) is a phenomenon in which certain organic luminophores (fluorescent dyes) exhibit stronger emission of light in their aggregated or solid state compared to when they are in solution . [ 1 ] [ 2 ] [ 3 ] This counterintuitive behavior contrasts with most organic compounds, which typicall... | https://en.wikipedia.org/wiki/Aggregation-induced_emission |
In colloidal chemistry , an aggregation number is a description of the number of molecules present in a micelle once the critical micelle concentration (CMC) has been reached. In more detail, it has been defined as the average number of surfactant monomers in a spherical micelle. [ 1 ]
The aggregation number of micell... | https://en.wikipedia.org/wiki/Aggregation_number |
In eukaryotic cells, an aggresome refers to an aggregation of misfolded proteins in the cell, formed when the protein degradation system of the cell is overwhelmed. Aggresome formation is a highly regulated process that possibly serves to organize misfolded proteins into a single location. [ 1 ]
Correct folding requir... | https://en.wikipedia.org/wiki/Aggresome |
Aggression is behavior aimed at opposing or attacking something or someone. Though often done with the intent to cause harm, some might channel it into creative and practical outlets. [ 1 ] It may occur either reactively or without provocation. In humans, aggression can be caused by various triggers. For example, built... | https://en.wikipedia.org/wiki/Aggression |
Agile IT infrastructure, or Agile Infrastructure for short, is an emerging type of IT infrastructure that goes beyond Hyper-converged infrastructure and puts emphasis on: | https://en.wikipedia.org/wiki/Agile_infrastructure |
Agile Manufacturing is a modern production approach that enables companies to respond swiftly and flexibly to market changes while maintaining quality and cost control. This methodology is designed to create systems that can adapt dynamically to changing customer demands and external factors such as market trends or su... | https://en.wikipedia.org/wiki/Agile_manufacturing |
Agile tooling is the design and fabrication of manufacturing related-tools such as dies , molds , patterns , jigs and fixtures in a configuration that aims to maximise the tools' performance, minimise manufacturing time and cost, and avoid delay in prototyping . [ 1 ] A fully functional agile tooling laboratory consist... | https://en.wikipedia.org/wiki/Agile_tooling |
Agilent ChemStation is a software package to control Agilent liquid chromatography , gas chromatography , and ultraviolet-visible spectroscopy systems such as the 1050, 1100 and 1200 Series HPLC system and the 8453 and 8454 single-beam diode array detector spectrophotometers. It is an evolution of the Hewlett-Packard C... | https://en.wikipedia.org/wiki/Agilent_ChemStation |
An aging-associated disease (commonly termed age-related disease , ARD ) is a disease that is most often seen with increasing frequency with increasing senescence . They are essentially complications of senescence, distinguished from the aging process itself because all adult animals age ( with rare exceptions ) but no... | https://en.wikipedia.org/wiki/Aging-associated_diseases |
Aging Research and Drug Discovery [ 1 ] [ 2 ] [ 3 ] ( ARDD ) is a non-profit conference which is organized by University of Copenhagen [ 4 ] and Columbia University [ 5 ] every year at University of Copenhagen . [ 6 ] [ 7 ] [ 8 ] [ 9 ]
The first ARDD conference was held in 2014 at Basel , Switzerland . Then, this conf... | https://en.wikipedia.org/wiki/Aging_Research_and_Drug_Discovery |
Aging has a significant impact on society . People of different ages and genders tend to differ in many aspects, such as legal and social responsibilities, outlooks on life, and self-perceptions. Young people tend to have fewer legal privileges (if they are below the age of majority ), they are more likely to push for ... | https://en.wikipedia.org/wiki/Aging_and_society |
Aging of the brain is a process of transformation of the brain in older age , including changes all individuals experience and those of illness (including unrecognised illness). Usually this refers to humans.
Since life extension is only pertinent if accompanied by health span extension, and, more importantly, by pres... | https://en.wikipedia.org/wiki/Aging_brain |
Aging in cats is the process by which cats change over the course of their natural lifespans. The normal lifespan of domestic cats is in the range of 13 to 20 years. As cats senesce , they undergo predictable changes in health and behavior. Dental disease and loss of olfaction are common as cats age, affecting eating ... | https://en.wikipedia.org/wiki/Aging_in_cats |
Aging in dogs varies from breed to breed, and affects the dog 's health and physical ability. As with humans, advanced years often bring changes in a dog's ability to hear, see, and move about easily. Skin condition, appetite, and energy levels often degrade with geriatric age. Medical conditions such as cancer , kidne... | https://en.wikipedia.org/wiki/Aging_in_dogs |
The U.S. Centers for Disease Control and Prevention defines aging in place as "the ability to live in one's own home and community safely, independently, and comfortably, regardless of age, income, or ability level". [ 1 ]
Research in environmental gerontology indicates the importance of the physical and social enviro... | https://en.wikipedia.org/wiki/Aging_in_place |
Normal aging movement control in humans is about the changes in the muscles , motor neurons , nerves , sensory functions , gait , fatigue, visual and manual responses, in men and women as they get older but who do not have neurological , muscular ( atrophy , dystrophy ...) or neuromuscular disorder. With aging, neuromu... | https://en.wikipedia.org/wiki/Aging_movement_control |
The agitated Nutsche filter (ANF) is a filtration technique used in applications such as dye , paint , and pharmaceutical production [ 1 ] and waste water treatment . [ 2 ] Safety requirements and environmental concerns due to solvent evaporation led to the development of this type of filter wherein filtration under ... | https://en.wikipedia.org/wiki/Agitated_Nutsche_filter |
An agitator is a device or mechanism to put something into motion by shaking or stirring . There are several types of agitation machines, including washing machine agitators (which rotate back and forth) and magnetic agitators (which contain a magnetic bar rotating in a magnetic field). [ citation needed ] Agitators ca... | https://en.wikipedia.org/wiki/Agitator_(device) |
An aglycone ( aglycon [ 1 ] or genin ) is the chemical compound remaining after the glycosyl group on a glycoside is replaced by a hydrogen atom. [ 2 ] For example, the aglycone of a cardiac glycoside would be a steroid molecule.
A way to identify aglycone is proposed to extract it from Agave spp. by using H-NMR and H... | https://en.wikipedia.org/wiki/Aglycone |
Agmatine , also known as 4-aminobutyl-guanidine , was discovered in 1910 by Albrecht Kossel . [ 2 ] It is a chemical substance which is naturally created from the amino acid arginine . Agmatine has been shown to exert modulatory action at multiple molecular targets , notably: neurotransmitter systems, ion channels, nit... | https://en.wikipedia.org/wiki/Agmatine |
In mathematical analysis , Agmon's inequalities , named after Shmuel Agmon , [ 1 ] consist of two closely related interpolation inequalities between the Lebesgue space L ∞ {\displaystyle L^{\infty }} and the Sobolev spaces H s {\displaystyle H^{s}} . It is useful in the study of partial differential equations .
Let u... | https://en.wikipedia.org/wiki/Agmon's_inequality |
Agnes Luise Wilhelmine Pockels (14 February 1862 – 21 November 1935) was a German chemist whose research was fundamental in establishing the modern discipline known as surface science , which describes the properties of liquid and solid surfaces and interfaces . [ 1 ]
Pockels became interested in fundamental research ... | https://en.wikipedia.org/wiki/Agnes_Pockels |
Agnew's theorem , proposed by American mathematician Ralph Palmer Agnew , characterizes reorderings of terms of infinite series that preserve convergence for all series. [ 1 ]
We call a permutation p : N → N {\displaystyle p:\mathbb {N} \to \mathbb {N} } an Agnew permutation [ a ] if there exists K ∈ N {\displaystyle ... | https://en.wikipedia.org/wiki/Agnew's_theorem |
In computing, a device or software program is said to be agnostic or data agnostic if the method or format of data transmission is irrelevant to the device or program's function. This means that the device or program can receive data in multiple formats or from multiple sources, and still process that data effectively.... | https://en.wikipedia.org/wiki/Agnostic_(data) |
An agonist is a chemical that activates a receptor to produce a biological response. Receptors are cellular proteins whose activation causes the cell to modify what it is currently doing. In contrast, an antagonist blocks the action of the agonist, while an inverse agonist causes an action opposite to that of the agoni... | https://en.wikipedia.org/wiki/Agonist |
Agosterol A is a bio-active sterol which may have applications in removing multi-drug resistance in various cancers . [ 1 ] [ 2 ] It was first isolated from marine sponge but has also been produced synthetically. [ 3 ]
This organic chemistry article is a stub . You can help Wikipedia by expanding it . | https://en.wikipedia.org/wiki/Agosterol_A |
In organometallic chemistry , agostic interaction refers to the intramolecular interaction of a coordinatively-unsaturated transition metal with an appropriately situated C−H bond on one of its ligands. The interaction is the result of two electrons involved in the C−H bond interaction with an empty d-orbital of the t... | https://en.wikipedia.org/wiki/Agostic_interaction |
The agouti gene, the Agouti-signaling protein (ASIP) is responsible for variations in color in many species. Agouti works with extension to regulate the color of melanin which is produced in hairs. The agouti protein causes red to yellow pheomelanin to be produced, while the competing molecule α-MSH signals production ... | https://en.wikipedia.org/wiki/Agouti_coloration_genetics |
In mathematical analysis , the Agranovich–Dynin formula is a formula for the index of an elliptic system of differential operators , introduced by Agranovich and Dynin ( 1962 ).
This mathematical analysis –related article is a stub . You can help Wikipedia by expanding it . | https://en.wikipedia.org/wiki/Agranovich–Dynin_formula |
Agricultural biodiversity or agrobiodiversity is a subset of general biodiversity pertaining to agriculture . It can be defined as "the variety and variability of animals, plants and micro-organisms at the genetic, species and ecosystem levels that sustain the ecosystem structures, functions and processes in and around... | https://en.wikipedia.org/wiki/Agricultural_biodiversity |
Agricultural biotechnology , also known as agritech , is an area of agricultural science involving the use of scientific tools and techniques, including genetic engineering , molecular markers , molecular diagnostics , vaccines , and tissue culture , to modify living organisms: plants , animals , and microorganisms . [... | https://en.wikipedia.org/wiki/Agricultural_biotechnology |
Agricultural chemistry is the chemistry , especially organic chemistry and biochemistry , as they relate to agriculture . Agricultural chemistry embraces the structures and chemical reactions relevant in the production, protection, and use of crops and livestock . Its applied science and technology aspects are direct... | https://en.wikipedia.org/wiki/Agricultural_chemistry |
Agricultural engineering , also known as agricultural and biosystems engineering , is the field of study and application of engineering science and designs principles for agriculture purposes, combining the various disciplines of mechanical , civil , electrical , food science , environmental , software , and chemical e... | https://en.wikipedia.org/wiki/Agricultural_engineering |
Agricultural hydrology is the study of water balance components intervening in agricultural water management, especially in irrigation and drainage . [ 1 ]
The water balance components can be grouped into components corresponding to zones in a vertical cross-section in the soil forming reservoirs with inflow, outflow ... | https://en.wikipedia.org/wiki/Agricultural_hydrology |
Agricultural microbiology is a branch of microbiology dealing with plant-associated microbes and plant and animal diseases. It also deals with the microbiology of soil fertility , such as microbial degradation of organic matter and soil nutrient transformations. The primary goal of agricultural microbiology is to compr... | https://en.wikipedia.org/wiki/Agricultural_microbiology |
Agricultural pollution refers to biotic and abiotic byproducts of farming practices that result in contamination or degradation of the environment and surrounding ecosystems, and/or cause injury to humans and their economic interests. The pollution may come from a variety of sources, ranging from point source water pol... | https://en.wikipedia.org/wiki/Agricultural_pollution |
Agricultural wastewater treatment is a farm management agenda for controlling pollution from confined animal operations and from surface runoff that may be contaminated by chemicals in fertilizer , pesticides , animal slurry , crop residues or irrigation water. Agricultural wastewater treatment is required for continuo... | https://en.wikipedia.org/wiki/Agricultural_wastewater_treatment |
The agricultural weed syndrome is the set of common traits which make a plant a successful agricultural weed . [ 1 ] [ 2 ] [ 3 ] Most of these traits are not, themselves, phenotypes but are instead methods of rapid adaptation . So equipped, plants of various origins - invasives, natives, mildly successful marginal weed... | https://en.wikipedia.org/wiki/Agricultural_weed_syndrome |
Agriculture, Ecosystems & Environment is an international peer-reviewed scientific journal published eighteen times per year by Elsevier . It covers research on the interrelationships between the natural environments and agroecosystems , and their effects on each other. The editors-in-chief are Tom Veldkamp and Yong Li... | https://en.wikipedia.org/wiki/Agriculture,_Ecosystems_&_Environment |
Agriculture and domestication are practices undertaken by certain ant species and colonies. These ants use agricultural methods and are known as one of the few animal groups, along with Homo sapiens , to have achieved the level of eusociality necessary to practice agriculture. It is estimated that ants began this pract... | https://en.wikipedia.org/wiki/Agriculture_in_ants |
Agrobacterium is a genus of Gram-negative bacteria established by H. J. Conn that uses horizontal gene transfer to cause tumors in plants. Agrobacterium tumefaciens is the most commonly studied species in this genus. Agrobacterium is well known for its ability to transfer DNA between itself and plants, and for this rea... | https://en.wikipedia.org/wiki/Agrobacterium |
An agrochemical or agrichemical , a contraction of agricultural chemical , is a chemical product used in industrial agriculture . Agrichemical typically refers to biocides ( pesticides including insecticides , herbicides , fungicides and nematicides ) alongside synthetic fertilizers . It may also include hormones and o... | https://en.wikipedia.org/wiki/Agrochemical |
Agroecology is an academic discipline that studies ecological processes applied to agricultural production systems. Bringing ecological principles to bear can suggest new management approaches in agroecosystems . The term can refer to a science, a movement, or an agricultural practice. [ 1 ] Agroecologists study a vari... | https://en.wikipedia.org/wiki/Agroecology |
Agroecosystems are the ecosystems supporting the food production systems in farms and gardens. As the name implies, at the core of an agroecosystem lies the human activity of agriculture . As such they are the basic unit of study in Agroecology , and Regenerative Agriculture using ecological approaches.
Like other eco... | https://en.wikipedia.org/wiki/Agroecosystem |
Agroinfiltration is a method used in plant biology and especially lately in plant biotechnology to induce transient expression of genes in a plant , or isolated leaves from a plant, or even in cultures of plant cells, in order to produce a desired protein . In the method, a suspension of Agrobacterium tumefaciens is in... | https://en.wikipedia.org/wiki/Agroinfiltration |
Agrominerals (also known as stone bread or petrol fertilizer ) are minerals of importance to agriculture and horticulture industries for they can provide essential plant nutrients . [ 1 ] Some agrominerals occur naturally or can be processed to be used as alternative fertilizers or soil amendments . [ 1 ] The term agro... | https://en.wikipedia.org/wiki/Agrominerals |
Agrophysics is a branch of science bordering on agronomy and physics ,
whose objects of study are the agroecosystem - the biological objects , biotope and biocoenosis affected by human activity , studied and described using the methods of physical sciences . Using the achievements of the exact sciences to solve major ... | https://en.wikipedia.org/wiki/Agrophysics |
Agrostology (from Greek ἄγρωστις , agrōstis , "type of grass"; and -λογία , -logia ), sometimes graminology , is the scientific study of the grasses (the family Poaceae , or Gramineae). The grasslike species of the sedge family ( Cyperaceae ), the rush family ( Juncaceae ), and the bulrush or cattail family ( Typhaceae... | https://en.wikipedia.org/wiki/Agrostology |
AguaClara Cornell is an engineering based project team within Cornell University's College of Engineering [ 2 ] that designs sustainable water treatment plants using open source technology . The program's mission is to uphold and protect “the fundamental human right to access safe drinking water. We are committed to th... | https://en.wikipedia.org/wiki/AguaClara |
The Aharonov–Bohm effect , sometimes called the Ehrenberg–Siday–Aharonov–Bohm effect, is a quantum-mechanical phenomenon in which an electrically charged particle is affected by an electromagnetic potential ( φ {\displaystyle \varphi } , A {\displaystyle \mathbf {A} } ), despite being confined to a region in which both... | https://en.wikipedia.org/wiki/Aharonov–Bohm_effect |
The Aharonov–Casher effect is a quantum mechanical phenomenon predicted in 1984 by Yakir Aharonov and Aharon Casher, [ 1 ] in which a traveling magnetic dipole is affected by an electric field . It is dual to the Aharonov–Bohm effect , in which the quantum phase of a charged particle depends upon which side of a magnet... | https://en.wikipedia.org/wiki/Aharonov–Casher_effect |
In the mathematical theory of Kleinian groups , the Ahlfors finiteness theorem describes the quotient of the domain of discontinuity by a finitely generated Kleinian group. The theorem was proved by Lars Ahlfors ( 1964 , 1965 ), apart from a gap that was filled by Greenberg (1967) .
The Ahlfors finiteness theorem sta... | https://en.wikipedia.org/wiki/Ahlfors_finiteness_theorem |
In mathematics , the Ahlfors conjecture , now a theorem, states that the limit set of a finitely-generated Kleinian group is either the whole Riemann sphere , or has measure 0.
The conjecture was introduced by Ahlfors ( 1966 ), who proved it in the case that the Kleinian group has a fundamental domain with a finite nu... | https://en.wikipedia.org/wiki/Ahlfors_measure_conjecture |
The Ahlswede–Daykin inequality ( Ahlswede & Daykin 1978 ), also known as the four functions theorem (or inequality ),
is a correlation -type inequality for four functions on a finite distributive lattice . It is a fundamental tool in statistical mechanics and probabilistic combinatorics (especially random graphs and t... | https://en.wikipedia.org/wiki/Ahlswede–Daykin_inequality |
In extremal set theory , the Ahlswede–Khachatrian theorem generalizes the Erdős–Ko–Rado theorem to t -intersecting families. Given parameters n , k and t , it describes the maximum size of a t -intersecting family of subsets of { 1 , … , n } {\displaystyle \{1,\dots ,n\}} of size k , as well as the families achieving t... | https://en.wikipedia.org/wiki/Ahlswede–Khachatrian_theorem |
Ahmad Salahuddin (7 July 1937 – 26 November 1996) was an Indian biochemist who served as a professor of biochemistry and department chairman (1984–1996) at Aligarh Muslim University (AMU) Aligarh, India. [ 1 ] He was a Founder Director of Interdisciplinary Biotechnology Unit at AMU in 1984. [ 2 ]
Salahuddin was born o... | https://en.wikipedia.org/wiki/Ahmad_Salahuddin |
Ahmed Abukhater ( Arabic : أحمد أبو خاطر ) is an architect , environmental scientist , and an urban and regional planner by trade. [ 1 ] He is an author, powerlifter , and the first athlete to represent Palestine at the World Association of Bench Pressers and Dead lifters (WABDL) World Powerlifting Championships in Las... | https://en.wikipedia.org/wiki/Ahmed_Abukhater |
Ahoona [ 1 ] [ 2 ] is a free online social network that is focused on crowd-sourcing six elements of decision quality [ 3 ] to help people make better decisions in their daily lives. The project started through a National Science Foundation initiative known as I-Corps. [ 4 ] It has resulted in numerous media publicatio... | https://en.wikipedia.org/wiki/Ahoona |
aiScaler Ltd. is a multinational software company founded in 2008. It develops application delivery controllers designed to allow dynamic web pages to scale content by intelligently caching frequently requested content. A number of websites in the Alexa top 1000 use aiScaler to manage their traffic. [ 1 ]
aiScaler sof... | https://en.wikipedia.org/wiki/AiScaler |
In general relativity , the Aichelburg–Sexl ultraboost is an exact solution which models the spacetime of an observer moving towards or away from a spherically symmetric gravitating object at nearly the speed of light. It was introduced by Peter C. Aichelburg and Roman U. Sexl in 1971.
The original motivation behind... | https://en.wikipedia.org/wiki/Aichelburg–Sexl_ultraboost |
The Aiken code (also known as 2421 code ) [ 1 ] [ 2 ] is a complementary binary-coded decimal (BCD) code. A group of four bits is assigned to the decimal digits from 0 to 9 according to the following table. The code was developed by Howard Hathaway Aiken and is still used today in digital clocks , pocket calculators an... | https://en.wikipedia.org/wiki/Aiken_code |
Air-cooled engines rely on the circulation of air directly over heat dissipation fins or hot areas of the engine to cool them in order to keep the engine within operating temperatures. Air-cooled designs are far simpler than their liquid-cooled counterparts, which require a separate radiator , coolant reservoir, pipin... | https://en.wikipedia.org/wiki/Air-cooled_engine |
Air-free techniques refer to a range of manipulations in the chemistry laboratory for the handling of compounds that are air-sensitive . These techniques prevent the compounds from reacting with components of air , usually water and oxygen ; less commonly carbon dioxide and nitrogen . A common theme among these techniq... | https://en.wikipedia.org/wiki/Air-free_technique |
An air-mixing plenum (or mixing box) is used in building services engineering and HVAC construction for mixing air from different ductwork systems.
Air streams are mixed to save energy and improve energy efficiency by partially recirculating conditioned air.
The most common application for an air-mixing plenum is the... | https://en.wikipedia.org/wiki/Air-mixing_plenum |
The air-to-cloth ratio is the volumetric flow rate of air (m 3 / minute ; SI m 3 / second ) flowing through a dust collector 's inlet duct divided by the total cloth area (m 2 ) in the filters. The result is expressed in units of velocity .
The air-to-cloth ratio is typically between 1.5 and 3.5 metres per minute , ma... | https://en.wikipedia.org/wiki/Air-to-cloth_ratio |
The Air2Web company is an Atlanta-based Wireless Application Service Provider that was launched in 1999. They provided integrated wireless services, [ 1 ] functioning as an intermediary between a company and its wireless carrier. Since 2011, Air2Web is owned by mobile marketing solutions provider Velti .
Their product... | https://en.wikipedia.org/wiki/Air2Web |
airG Incorporated ( airG ) [ 4 ] is a Canadian software company .
AirG was founded and incorporated in April 2000 by Frederick Ghahramani, Vincent Yen, and Bryce Pasechnik. [ 5 ] [ 1 ] as a mobile entertainment content supplier [ 6 ] and was headquartered in Vancouver , British Columbia . [ 7 ] The company surpassed 2... | https://en.wikipedia.org/wiki/AirG_Inc. |
AirHop Communications is a privately funded American corporation based in San Diego , CA. AirHop develops radio access network (RAN) software that addresses the installation, operation and performance challenges of multi-layer deployments of small cells in 3G and 4G networks. [ 1 ] [ 2 ] [ 3 ] AirHop's customers are ty... | https://en.wikipedia.org/wiki/AirHop_Communications |
AirTag was a French startup that was acquired by Morpho , at the time a Safran subsidiary, in 2015. [ 1 ] [ 2 ] It was a mobile shopping and payments provider. [ 3 ] [ 4 ]
AirTag was founded in 2006 by Jérémie Leroyer, Cyrille Porteret, Cedric Nicolas and Gunnar Graef. As of late 2012, investors had provided €6 milli... | https://en.wikipedia.org/wiki/AirTag_(company) |
The Air Force Institute of Technology (AFIT) also known as the Nigeria Air Force University is a military school approved by the National Universities Commission to run undergraduate and postgraduate courses in 2018/2019. [ 1 ] It supports the Nigerian Air Force (NAF) and civilian communities by provision of basic trai... | https://en.wikipedia.org/wiki/Air_Force_Institute_of_Technology_(Nigeria) |
The Air Movement and Control Association International, Inc. ( AMCA ) is an international trade body that sets standards for Heating, Ventilation and Air Conditioning ( HVAC ) equipment. It rates fan balance and vibration, aerodynamic performance, air density, speed and efficiency.
AMCA was formed in 1955 from several... | https://en.wikipedia.org/wiki/Air_Movement_and_Control_Association |
Air barriers control air leakage into and out of the building envelope . Air barrier products may take several forms:
Air barriers are divided into air barrier materials, air barrier accessories, air barrier components, air barrier assemblies and air barrier systems.
Air barrier materials – Building materials that ar... | https://en.wikipedia.org/wiki/Air_barrier |
Air bearings (also known as aerostatic or aerodynamic bearings ) are bearings that use a thin film of pressurized gas to provide a low friction load-bearing interface between surfaces. The two surfaces do not touch, thus avoiding the problems of friction, wear, particulates, and lubricant handling associated with conve... | https://en.wikipedia.org/wiki/Air_bearing |
An air blaster or air cannon is a de-clogging device with two main components: a pressure vessel (storing air pressure) and a triggering mechanism (high speed release of compressed air). They are permanently installed on silos , bins and hoppers for powdery materials, and are used to prevent caking and to allow maximu... | https://en.wikipedia.org/wiki/Air_blaster |
An air classifier is an industrial machine which separates materials by a combination of size, shape, and density .
It works by injecting the material stream to be sorted into a chamber which contains a column of rising air . Inside the separation chamber, air drag on the objects supplies an upward force which counter... | https://en.wikipedia.org/wiki/Air_classifier |
An air compressor is a machine that takes ambient air from the surroundings and discharges it at a higher pressure. It is an application of a gas compressor and a pneumatic device that converts mechanical power (from an electric motor , diesel or gasoline engine , etc.) into potential energy stored in compressed air , ... | https://en.wikipedia.org/wiki/Air_compressor |
An air core gauge is a specific type of rotary actuator in an analog display gauge that allows an indicator to rotate a full 360 degrees. It is used in gauges and displays, most commonly automotive instrument clusters.
A typical automotive application is shown at the right. The air core gauge is a type of "air-core ... | https://en.wikipedia.org/wiki/Air_core_gauge |
An air data computer ( ADC ) or central air data computer ( CADC ) computes altitude , vertical speed, air speed, and Mach number from pressure and temperature inputs. [ 1 ] It is an essential avionics component found in modern aircraft. This computer, rather than individual instruments , can determine the calibrated a... | https://en.wikipedia.org/wiki/Air_data_computer |
An air data inertial reference unit (ADIRU) is a key component of the integrated air data inertial reference system (ADIRS), which supplies air data ( airspeed , angle of attack and altitude ) and inertial reference (position and altitude) information to the pilots' electronic flight instrument system displays as well ... | https://en.wikipedia.org/wiki/Air_data_inertial_reference_unit |
An air data module is a component of the navigation system . [ 1 ] Each unit converts pneumatic (air pressure) information from a pitot tube or a static port into numerical information which is sent on a data bus. [ 2 ] This pressure information is received and processed by the Air Data Reference (ADR) component of the... | https://en.wikipedia.org/wiki/Air_data_module |
Piston-driven air displacement pipettes are a type of micropipette , which are tools to handle volumes of liquid in the microliter scale. They are more commonly used in biology and biochemistry, and less commonly in chemistry; the equipment is susceptible to damage from many organic solvents.
These pipettes operate by... | https://en.wikipedia.org/wiki/Air_displacement_pipette |
Air Flow Meter
An air flow meter is a device used to measure the amount of air flowing through a system, typically through a tube or duct. It operates similarly to an anemometer, though it is specifically designed to measure the mass of air per unit time, rather than the volume. This distinction is important in applic... | https://en.wikipedia.org/wiki/Air_flow_meter |
An air handler , or air handling unit (often abbreviated to AHU ), is a device used to regulate and circulate air as part of a heating, ventilating, and air-conditioning ( HVAC ) system. [ 1 ] An air handler is usually a large metal box containing a blower , furnace or A/C elements, filter racks or chambers, sound atte... | https://en.wikipedia.org/wiki/Air_handler |
The air permeability specific surface of a powder material is a single-parameter measurement of the fineness of the powder. The specific surface is derived from the resistance to flow of air (or some other gas) through a porous bed of the powder. The SI units are m 2 ·kg −1 ("mass specific surface") or m 2 ·m −3 ("vo... | https://en.wikipedia.org/wiki/Air_permeability_specific_surface |
Air pollutant concentrations , as measured or as calculated by air pollution dispersion modeling , [ 1 ] must often be converted or corrected to be expressed as required by the regulations issued by various governmental agencies. Regulations that define and limit the concentration of pollutants in the ambient air or i... | https://en.wikipedia.org/wiki/Air_pollutant_concentrations |
Air pollution measurement is the process of collecting and measuring the components of air pollution , notably gases and particulates . The earliest devices used to measure pollution include rain gauges (in studies of acid rain ), Ringelmann charts for measuring smoke , and simple soot and dust collectors known as depo... | https://en.wikipedia.org/wiki/Air_pollution_measurement |
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