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- Amino acid(s): An amino acid molecule has the general formula NH 2 CHRCOOH, where "R" is any one of a number of side groups. Amino acids are building blocks (small molecules that link together to form long...>more
- Ammonia: A colorless gaseous alkaline compound (chemical formula NH3). It is very soluble in water, has a characteristic pungent odor, is irritant, is lighter than air, and is formed as a result of the...>more
- Ammonium nitrate (NH4NO3): Ammonium nitrate is 46% nitrogen, is applied to the soil as prilled fertilizer, and can be subject to substantial nitrogen volatilization losses, expecially under warm, moist, high residue...>more
- Ammonium polyphosphate (APP): Ammonium polyphosphate are liquid products made from the reaction between ammonia and superphosphate acid. It is used primarily in fertigation, weed and feed, and seed-placed applications. >more
- Ammonium sulfate: Ammonium sulfate is 21%N, is a highly hygroscopic granular material, and is often used when crop producers are trying to correct a sulfur deficiency along with applying some N. >more
- Amorphous silicon: A type of silicon deposited on a variety of surfaces (rigid and flexible) with thin homogenous layers. Amorphous silicon absorbs light more effectively than crystalline silicon, so the cells can be...>more
- Amphetamines: Amphetamines are man-made stimulant drugs. Their effects usually last for several hours and include stimulation of the central nervous system , a sense of well-being and higher energy, a...>more
- Amplifier: In general, any device that increases the voltage, current, or power of a signal. In telecom contexts, it refers to any device placed along a phone line that strengthens a voice signal. Most...>more
- Amplifier settings: The brains of any headset system, the amplifier houses all the controls for your headset. When you first connect your system, you may need to adjust the amp settings, so your headset works...>more
- An airplane that hung 8 chili: The National Research Council and l`Università of Naples Federico II have realized the first aircraft without pilot. Only hung 8 chili and it is in a position to facing missions of exploration to...>more
- An ecosystem in order to breathe better: Soon, raising the snout to the sky, it could capitarvi see an aerial small with a funny nose and one strange equipment mails on its front extremity; or taking a walk in some Italian forest you...>more
- An enormous flying laboratory: A former Soviet spy airplane has been transformed in the greatest laboratory flying existing to the world for the study of the climatic changes us. Slid 20 January has left from Seville to the...>more
- AN INTRODUCTION TO MINING SEISMOLOGY, 55: By Slawomir Gibowicz , Institute of Geophysics, Polish Academy of Sciences Andrzej Kijko , Institute of Geophysics, Polish Academy of Sciences Included in series International...>more
- Anaerobic: Anaerobic refers to the absence of oxygen>more
- Anaerobic: Anaerobic>more
- Analog: Refers to a continuous, variable sound wave that is used to transmit signals from one location to another. Television, radio, and telephones have traditionally used analog signals as their...>more
- Analog: the same thing as analog ue just a different spelling (US spelling)>more
- Analog: Continuously variable. Until recently almost all audio signals were analog. At any instant, it could have a value between zero and a few volts and could be graphed as a flowing waveform. In...>more
- analog device: An apparatus that measures continuous information signals (i.e.,
signals that have an infinite number of values). The only limitation on resolution
is the accuracy of the measuring device.>more
- analog input interface: An input circuit that uses an analog-to-digital converter to
translate a continuous analog signal, measured by an analog device, into a digital
value that can be used by the processor.>more
- analog output interface: . An output circuit that uses a digital-to-analog converter to
translate a digital value, sent from the processor, into an analog signal that can
control a connected analog device.>more
- analog signal: A continuous signal that changes smoothly over a given range, rather
than switching suddenly between certain levels as discrete signals do.>more
- analog-to-digital converter (A/D): A device that translates analog signals from
field devices into binary numbers that can be read by the processor.>more
- Analogue: Data from the natural world which will have an infinite number of variables. For example sound from the natural world will have an infinite number of possible variations>more
- Analytical Methods: Purely mathematical methods that do not require iteration.>more
- Anatomy: Anatomy is the science of the shape and structure of organisms and their parts. >more
- Anchor: The object that is highlighted and "clickable" on a web document. It may be a word, a phrase, or an inline image. When clicked, it may send you to another spot on the page (back link), another...>more
- Anchoveta: The Peruvian anchoveta is a fish of the anchovy family. Anchoveta occur in the southeastern Pacific Ocean, mainly within 80 km of the coasts of Peru, and Chile. They live in huge schools at a...>more
- AND: A logical operator that requires all input conditions to be logic 1 for the output to be logic 1. If any input is logic 0, then the output will be logic 0>more
- Andrea D. Bianchi: Le Prof. Bianchi enseigne à l'Institut universitaire de hautes internationales depuis 2002. Il a assuré les postes académiques suivants : Professeur à l'Université catholique de Milan;...>more
- Androgen insensitivity syndrome: Androgen insensitivity syndrome ( AIS , or "Androgen resistance syndrome") is a set of disorders of sexual differentiation that results from mutations of the gene encoding the androgen...>more
- Anemia: A defficiency of red blood cells in the bloodstream, resulting in insufficient oxygen being carried to tissues and organs. Symptoms of anemia include feeling tired, weak, and short of breath....>more
- Angstrom (Å): A unit of length; one ten-billionth of a meter. >more
- Anhydrous: As a general term, a substance is said to be anhydrous if it contains no water . The way of achieving the anhydrous form differs from one substance to another. Solvents In many cases,...>more
- Anhydrous ammonia (NH3): Anhydrous ammonia is 82% nitrogen, is transported as a liquid under high pressure (released into the soil as a gas, so it must be injected), and quickly injures persons directly exposed.>more
- Animal fat: Animal fat s are rendered tissue fats that can be obtained from a variety of animals . Human nutrition Animal fats are often claimed to be unhealthy owing to their association with...>more
- Animal genetic resources databank: A databank that contains inventories of farm animal genetic resources and their immediate wild relatives, including any information that helps to characterize these resources.>more
- Animal genetic resources databank: A databank that contains inventories of farm animal genetic resources and their immediate wild relatives, including any information that helps to characterize these resources.>more
- Animal Waste Facilities: Animal waste facilities include storage and treatment facilities. Storage is the containment of waste for a period of time. Animal waste can be stored as a solid, a semisolid or a liquid. Some...>more
- Anisotropic: In a subtractive process, the material is removed only in the vertical direction in such a way that the side of the cut is perpendicular to the bottom of the cut. >more
- Ankylosing spondylitis: Ankylosing spondylitis ( AS ; also known as Bechterew's disease ; Bechterew syndrome ; Marie Strümpell disease / Marie Struempell disease / Spondyloarthritis ) is a chronic, painful,...>more
- Anneal: A high-temperature processing step (usually the last one) designed to repair defects in the crustal structure of the wafer. >more
- Annual: Any plant which completes its entire life cycles and dies within one year or less. aquifer A stratum of earth or permeable rock that stores significant quantities of water. Associated Milk...>more
- Anonymous logons: This feature allows remote access only by the IUSR_ computername account. Remote users can connect to that computer only without a user name and password, and they have only the permissions...>more
- Anovulatory: Anovulatory means not associated with ovulation. >more
- Anoxia: Anoxia is the absence of oxygen in blood, gases or human (or animal) tissues. It can be thought of as an extreme case of hypoxia, the lowering of oxygen levels. Another definition: The absence...>more
- ANSI: See American National Standards Institute>more
- ANSI: American National Standards Institute. A private, non-profit membership organization that coordinates voluntary standards activities. ANSI assists with standards-developers and standards users from...>more
- ANSI (American National Standards Institute): The American National Standards Institute (ANSI) is a privately funded, non-profit organization which coordinates the development of voluntary standards in the United States and is the agency that...>more
- ANSI X12: The ANSI X12 standards specify the format and data content of electronic business transactions. >more
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