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- AFE:: Analog Front End. Used for CFT and FPD readout.>more
- Affinity chromatography: Takes advantage of specific properties of proteins. The column is packed with a material, such as a substrate, ligand, or antibody, to which only specific proteins can bind. The bound proteins can...>more
- Afforestation: The establishment of a forest through tree planting or seeding on land that has lacked forest cover for a very long time or has never been forested. Afforestation implies a transformation from...>more
- Aflatoxin: Aflatoxins are potent toxic , carcinogenic , mutagenic , immunosuppressive substances that can be found on poorly stored grains and nuts.They are produced as secondary metabolites by certain...>more
- Aft: In, near, or toward the stern of the vessel. The term is used in the context of maritime navigation, engineering and construction.>more
- Agalactia: Agalactia is the lack or absence of milk production>more
- Age/Sex Structure: The age/sex structure is also called the population pyramid. This structure or pyramid is a graphic way to show the age and sex composition of a population. The sum of all age and sex groups...>more
- Agenda 21 from the UN Conference on Environment and Development: Program of action adopted by the 1992 United Nations Conference on Environment and Development. A global blueprint for sustainable development on national, regional, and local levels that has...>more
- Agent Orange: Toxic chemical defoliant [that strips trees and plants of their leaves] used by American military in Vietnam to deprive the enemy of food and of hiding places in the jungles, by killing all...>more
- AGILE ENERGY SYSTEMS: By Woodrow Clark , Clark Communications LLC, Los Angeles, USA Ted Bradshaw , University of California, Davis, USA Included in series Global Energy Policy and Economics,...>more
- Agrate: Large ST site beside small town of Agrate Brianza, 20 km north-east of Milan in the north of Italy. Base for management, production, design and research activities. Original plant of Società...>more
- Agribusiness: Producers and manufacturers of agricultural goods and services, such as fertilizer and farm equipment makers, food and fiber processors, wholesalers, transporters, and retail food and fiber outlets. >more
- Agricultural biodiversity: Agricultural biodiversity, sometimes called ‘agrobiodiversity' encompasses the variety and variability of animals, plants and micro-organisms which are necessary to sustain key...>more
- Agricultural Biotechnology: Agricultural biotechnology is the application of genetic engineering - manipulating genes to obtain certain favorable traits in agricultural crops and livestock.>more
- Agricultural Economics: As of 2005, no longer published by Elsevier. Please contact Blackwell Publishing. Access Full Text Articles Articles in ScienceDirect Contents Alert Economics subscribe/unsubscribe...>more
- Agricultural Experiment Stations (AES): The Agricultural Experiment Stations (AES) were created by the Hatch Act of 1887. These were federally funded to conduct agricultural research to improve production and efficiency. >more
- AGRICULTURAL MARKETS: MECHANISMS, FAILURES AND REGULATIONS: Edited By D. Martimort , Université des Sciences Sociales, Toulouse, France Included in series Contributions to Economic Analysis, 234 Description This volume aims at...>more
- Agricultural Revolution: An agricultural revolution is brought about whenever there are significant discoveries, technologies or inventions that change agricultural production. Three types of agricultural revolutions...>more
- Agrobacterium tumefaciens: Agrobacterium tumefaciens is the scientific name of the naturally occurring "crown gall" disease of plants. This pathogen is capable of introducing and replicating its own DNA into the plant's...>more
- Agrobiodiversity or agricultural biological diversity: That component of biodiversity that contributes to food and agriculture production. The term agrobiodiversity encompasses within-species, species and ecosystem diversity. Another definition:...>more
- Agrobiotechnology: The research on and development of agricultural products such as crop varieties and crop protection products by modifying genes to confer desirable properties such as pest resistance or improved...>more
- Agroecology: The science of applying ecological concepts and principles to the design and management of sustainable agroecosystems. Another definition: The use of ecological concepts and principles to study,...>more
- Agroforestry: A collective name for land-use systems and technologies where woody perennials (tree, shrubs, palms, bamboos, etc.) are deliberately used on the same land management unit as agricultural crops...>more
- Agronomy: Agronomy is the scientific study of agriculture including plant sciences and soil sciences >more
- AGS (Alternating Gradient Synchrotron): An accelerator based at Brookhaven National Laboratory (BNL). For more information, see: http://www.bnl.gov/bnlweb/facilities/AGS.html AMANDA (Antartic Muon And Neutrino Detector Array): A...>more
- AGS (Alternating Gradient Synchrotron): An accelerator based at Brookhaven National Laboratory (BNL) . For more information, see: http://www.bnl.gov/bnlweb/facilities/AGS.html >more
- Ah receptor: Aryl hydrocarbon receptor . A protein within the cell that binds to aryl hydrocarbons forming a complex that moves into the nucleus of the cell. In the nucleus, this complex controls the...>more
- AHT (Anchor-handling tug): A tug that moves, anchors and tows drilling vessels, lighters and so on.>more
- AI: (animal science) Artificial insemination. Impregnating an animal through artificial means, not through natural breeding. >more
- Ain Sebaâ: Name of the area close to the center of Casablanca, Morocco, where an ST plant is located. This plant was built in 1952 by SFRM (Société Fabrication Radio-Electrique Marocaine) a subcontractor of...>more
- Air Pollution: Pollution or contamination of the atmosphere with substances which are not generally found there (or are found in very small amounts). Pollutants can be gaseous, liquid (in the form of droplets),...>more
- AIR POLLUTION AND REGIONAL ECONOMIC PERFORMANCE: A CASE STUDY, 2: Edited By Jane V. Hall , California State University, Fullerton, CA, USA Included in series Advances in the Economics of Environmental Resources, Advances in the Economics of...>more
- Air pollution hot spot: A location where emissions from specific sources may expose individuals and population groups to elevated risks of adverse health effects - including but not limited to cancer - and...>more
- AIR-CONDITIONER: AIR-CONDITIONER The inverter air conditioners which are currently the mainstream technology in this sector control the current frequency flowing into...>more
- Akintunde Ibitayo Akinwande: Professor of Electrical Engineering Akintunde Ibitayo (Tayo) Akinwande joined the Department of Electrical Engineering and Computer Science at MIT in January 1995 as an Associate Professor....>more
- Alan M. Lambowitz: Biochemistry Director, Institute for Cellular and Molecular Biology Mr. and Mrs. A. Frank Smith, Jr. and Nancy Lee and Perry R. Bass Regents Chairs in Molecular Biology Contact Information...>more
- ALARA:: As Low As Reasonably Achievable. A safety acronym used to describe the radiation safety philosophy of minimizing occupational radiation exposure. >more
- ALARA:: As Low As Reasonably Achievable. A safety acronym used to describe the radiation safety philosophy of minimizing occupational radiation exposure. >more
- Alaska pollock: A saltwater fish of the cod family that thrives in seas, oceans, and gulfs of the north Pacific.Alaska pollock has an average length of 61 cm but can grow up to 90cm. It generally weighs between...>more
- Alcohol: The term alcohol refers to a family of chemicals that occur widely in nature and are mass-produced for use in antifreezes, fuels and some manufacturing processes. Alcohol is commonly used to refer...>more
- Alcohol Attributable Fractions: Alcohol Attributable Fractions (AAFs) are used to express the extent to which alcohol contributes to a health outcome, such as alcohol poisoning, non-alcohol poisoning, road traffic injuries,...>more
- Alcohol dependence: A chronic disease characterized by a strong craving for alcohol , a constant or periodic reliance on use of alcohol despite adverse consequences, the inability to limit drinking, physical...>more
- Alcohol myopia: "Alcohol myopia" refers to the tendency of alcohol to increase a person's concentration upon immediate events and reduce awareness of events which are distant (hence the reference to myopia...>more
- Aldehyde: A class of organic compounds which have a -CH=O group at the end of a carbon chain (in contrast to ketones which have the group elsewhere). Aldehydes are highly reactive chemical compounds ....>more
- Alfalfa weevil: A small, dark brown weevil that is problem in alfalfa.>more
- Algae: Algae are the most common and widespread plant. There are three major groups: Green Algae, Diatoms, and Yellow Green Algae. They carry out aerobic respiration. Algae is photosynthetic and aquatic. >more
- Algal bloom: The rapid excessive growth of algae, generally caused by high nutrient levels and favourable conditions. Can result in deoxygenation of the water mass when the algae die, leading to the death of...>more
- Algal symbiont: Microscopic dinoflagellate algae that live mutualistically in the tissues of certain marine invertebrates, including reef-building corals and giant clams. >more
- algorithm: . A set of procedures used to solve a problem.>more
- Algorithm: A problem-solving technique. Algorithms are characterized by a specific formula, finite length, and a clear end result and termination. >more
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