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  • Archive File

    (ISO) A file that is part of a collection of files set aside for later research or verification, for security purposes, for historical or legal purposes, or for backup.
  • Archive Owner

    The owner of the archive system.
  • Archiving

    Transfer (data) to a less frequently used storage medium such as magnetic tape, typically external to the source computer system.
  • Archiving

    The activity of running an archive.Enables reliable, authentic, meaningful, and accessible records to be carried forward through time within and beyond organizational boundaries for as long as they are needed for the multiple purposes they serve.
  • Archiving

    The activity of running an archive.
  • Archivist/Archive Administrator

    The owner of the archiving operations on a daily basis.
  • ARCRT

    American Registry of Clinical Radiography Technologists
  • ARDB (CDRH)

    Anesthesiology and Respiratory Devices Branch (CDRH)
  • ARDS

    Acute Respiratory Distress Syndrome
  • Area

    Part of a premise that is specific to the manufacture of medicinal gases.
  • Area

    A sublevel of the Site. An area encompasses one or various production plants.
  • ARENA

    Applied Research Ethics National Association
  • ARF

    Acute Renal Failure
  • ARI

    Air Conditioning and Refrigeration Institute (United States)
  • Arithmetic Logic Unit (ALU)

    The (high speed) circuits within the CPU which are responsible for performing the arithmetic and logical operations of a computer.
  • Arithmetic Overflow

    (ISO) That portion of a numeric word that expresses the result of an arithmetic operation, by which the length of the word exceeds the word length of the space provided for the representation of the number.
  • Arithmetic Underflow

    (ISO) In an arithmetic operation, a result whose absolute value is too small to be represented within the range of the numeration system in use.
  • ARPA

    Advanced Research Projects Agency (DoD)
  • Array

    (IEEE) An n-dimensional ordered set of data items identified by a single name and one or more indices, so that each element of the set is individually addressable; e.g., a matrix, table, or vector.
  • Arrayed Library

    Individual primary recombinant clones (hosted in phage, cosmid, YAC, or other vector) that are placed in two-dimensional arrays in microtiter dishes. Each primary clone can be identified by the identity of the plate and the clone location (row and column) on that plate. Arrayed libraries of clones can be used for many applications, including screening for a specific gene or genomic region of interest.
  • Arrestance

    A measure of the ability of an air filter to remove synthetic dust from the air when tested as described in ASHRAE Standard 52.2-2008, Method of Testing General Ventilation Air Cleaning Devices for Removal Efficiency by Particle Size. Arrestance test results typically relate to larger size particles.
  • Arrhenius Method

    Method to predict that materials age in a predictable manner relative to humidity. Testing at elevated temperature is used to predict room temperature material deterioration.
  • ARRT

    American Registry of Radiologic Technologists
  • ARS

    Agricultural Research Service (USDA)
  • ART

    Assisted Reproductive Therapy