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- antiproton: The anti-matter partner of the proton >more
- antiproton: The anti-matter partner of the proton .>more
- Antiquark: The anti-matter partner of the quark.>more
- antiquark: The anti-matter partner of the quark . >more
- Antiretroviral drugs: Antiretroviral drugs are used in the treatment of HIV infection. They slow down the replication and, therefore, the spread of the virus within the body. Details... Antiretroviral drugs...>more
- Antisense: Antisense is the adjective indicating the DNA strand that is not normally transcribed or the RNA that is complementary to it; the DNA antisense strand is complementary to the DNA "sense" strand...>more
- Antiseptic: Antiseptics inhibit the growth of microorganisms and are therefore able to prevent infection and diseases caused by them. Details... Antiseptics ( Greek αντί, against ,...>more
- Aorta: The largest artery in the body. It carries oxygen-rich blood away from the heart to vessels that reach the rest of the body. Details... The aorta (generally pronounced...>more
- APCVD: Atmospheric Pressure CVD refers to systems whose deposition environments operate at or near atmospheric pressure. Typically, wafers are placed horizontally on belt-driven flat susceptors which move...>more
- Aperture :: A measure of the physical space available for beam to occupy in a device. Aperture limitations, however, are not always due to the physical size of the vacuum chamber; for instance, a magnetic...>more
- Aperture scan :: Process of changing the beam position via 3- bumps in a localized area in order to determine the size of the aperture. The beam is moved until is scrapes the side of the beam pipe or encounters an...>more
- Aphids: Problem in almost all crops. Pierce leaves and suck out plants' juices.>more
- Aphrodisiac: An aphrodisiac is an agent which is used to increase sexual desire [1] . The name comes from the Greek goddess of Sensuality Aphrodite . Throughout history, many foods, drinks, and...>more
- Applet: A miniature application - an enhancement to a web page involving the embedding a foreign type of program in the page.>more
- application: (1) A machine or process monitored and controlled by a PLC. (2) The
use of computer or processor-based routines for specific purposes.>more
- application memory: The part of the total system memory devoted to storing the
application program and its associated data.>more
- Application Profile: A number of application protocols required for a specified task or industry sector. [Associated with STEP]TEP]]f Trade and Industry, United Kingdom. "Open Systems in Manufacturing". >more
- application program: The set of instructions that provides control, data acquisition,
and report generation capabilities for a specific process.>more
- Application Protocol (AP): Defines the context for the use of product data and specifies the use of the standard in that context to satisfy an industrial need. [Associated with STEP] , United States Government. "Military...>more
- APPLIED CHAOS THEORY: By Ali Cambel , George Washington University Description This book differs from others on Chaos Theory in that it focuses on its applications for understanding complex phenomena. The...>more
- Aquaculture: Aquaculture is the process of fish farming, including all phases such as breeding, feeding and harvesting>more
- Aquaculture: Aquaculture is the process of breeding and rearing of fish, shellfish, or plants in ponds, enclosures, or other forms of confinement in fresh or marine waters for the direct harvest of the product. >more
- Aquifer: A geological formation capable of storing and yielding significant quantities of water. It is usually composed of sand, gravel, or permeable rock which lies upon a layer of clay or other...>more
- Aquifer: An aquifer is a permeable formation that forms naturally and stores or conducts groundwater to wells and springs. This is usually far below the top soil. See also: alluvial aquifer artesian...>more
- Arachnids: Arachnids require a satruated atmosphere and are sensitive to dessication. They contribute little to plant decomposition. They also dessiminate fungal spores, and transport organic matter through...>more
- Archie: A system for locating files that are stored on FTP file servers. A search utility. A keyword search service that searches the directory and file titles of all FTP sites that are indexed. >more
- Arctic treeline: The northern limit of tree growth; the sinuous boundary between tundra and boreal forest . Climate change is projected to cause vegetation shifts because rising temperatures favor taller,...>more
- Arid: In general terms, the climate of a locale or region is said to be arid when it is characterized by a severe lack of available water , to the extent of hindering or even preventing the growth...>more
- arithmetic instructions: Computer programming codes that give a PLC the ability
to perform mathematical functions, such as addition, subtraction, multiplication,
division, and square root, on data.>more
- Arm wrestling robots: Six years ago, one scientist of the Jet Propulsion Laboratory of NASA indì an only competition: to construct a constructed robotico arm from muscles crafts them in a position to striking to trial...>more
- Aroclor 1254: Aroclor 1254 is one of several commercial PCB mixtures that were marketed between the 1930s and 70s. This light yellow viscous liquid is a particularly highly chlorinated PCB mixture which, by...>more
- Aromatherapy: The therapeutic use of pure essential oils and other substances obtained from flowers, plants, and aromatic shrubs, through inhalation and application to the skin. Generally based on traditional...>more
- ARPA (Advanced Research Projects Agency): An agency within the defense department that distributes funds for defense related research projects. ARPA ( AKA DARPA) provided the initial funding for the development of platform independent...>more
- ARPAnet: The name by which the Internet was originally known.>more
- Arrhythmia: An arrhythmia (also called dysrhythmia or irregular heart rhythm) is an irregular or abnormal heartbeat. An arrhythmia can involve a change in the rhythm, producing an uneven heartbeat, or a...>more
- Arsenate: Sometimes referred to in short as inorganic arsenic, inorganic arsenic compound contain arsenic (As) and at least one other element , but no carbon (C). Inorganic arsenic exists in four main...>more
- Arsenic (As): An N-type dopant often used to form the buried layer in a bipolar structure. Also used as an implant source in both bipolar and MOS processing. This element has both metallic and non-metallic...>more
- Arsenopyrite: FeAsS, Iron Arsenide Sulfide, an inorganic arsenic compound . This mineral is a major ore of arsenic. Details... Arsenopyrite is an iron arsenic sulfide (FeAsS). It is a hard ( Mohs...>more
- Artesian Aquifer: An artesian aquifer contains water under pressure as a result of hydrostatic head. An aquifer must be covered by a confirming material or aquilude and receive a supply of water for the artesian...>more
- Arthritis: Arthritis (from Greek arthro- , joint + -itis , inflammation; plural: arthritides) is a group of conditions where there is damage caused to the joints of the body. Arthritis is the leading...>more
- Articles of Agreement: A document containing all particulars relating to the terms of agreement between the Master of the vessel and the crew. Sometimes called ship?s articles, shipping articles. 1 The term is...>more
- Artifical Muscles: Legs from Yobotics! Merlin Humaniform Muscles Shadow Robot Project: The SHADOW Air Muscle The Artificial Muscle Project at MIT >more
- Artificial insemination: A breeding technique, most commonly used in domestic animals and sometimes in captive breeding of wild animals, in which semen is introduced into the female reproductive tract by artificial means....>more
- Artificial Intelligence: A program which allows some ability to learn or to make intelligent choices as such it can be seen by a user to be the ability of a computer or other machine to perform those activities that mimic...>more
- Artificial intelligence: "The point of no return already has not been exceeded. Behind it cannot be more gone: the robotizzazione of the humans and the umanizzazione of blot some are alone issue of time. Little time "....>more
- artificial intelligence (AI): A subfield of computer science dealing with the
development of computer programs that solve tasks requiring extensive knowledge.>more
- Artificial intelligence of Oscar Bettelli: PHILOSOPHICAL CONSIDERATIONS From much time I take care myself of artificial intelligence. There are some questions that this discipline places: will succeed one machine to behave itself in...>more
- Artificial selection: The process by which humans breed animals and cultivate crops to ensure that future generations have specific desirable characteristics. In artificial selection, breeders select the most desirable...>more
- Asbestos: A family of heterogeneous silicate minerals which include chrysotile, amosite, crocidolite, tremolite, anthophyfillite and actinolite. The asbestos is fibrous, chemically inert, does not conduct...>more
- Asbestos: A family of heterogeneous silicate minerals which include chrysotile, amosite, crocidolite, tremolite, anthophyfillite and actinolite. The asbestos is fibrous, chemically inert, does not conduct...>more
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