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  • NASA

    National Aeronautics and Space Administration

  • NASAAC

    North America South America Affiliate Council (ISPE term)

  • National Bureau of Standards (NBS)

    Now National Institute for Standards and Technology.

  • National Commission

    National Commission for the Protection of Human Subjects of Biomedical and Behavioral Research. An interdisciplinary advisory body, established by Congressional legislation in 1974, which was in existence until 1978, and which issued a series of reports and recommendations on ethical issues in research and medicine, many of which are now embodied in federal regulations.

  • National Electrical Code®

    The electrical code used throughout the United States. Published by the National Fire Protection Association (NFPA), it is an indispensable aid to every electrician, contractor, architect, builder, inspector, and anyone who must specify or certify electrical installations.

  • National Formulary (NF)

    A compendium of purity and testing criteria for chemicals, usually used in combination with the USP.

  • National Institute for Standards and Technology (NIST)

    A federal agency under the Department of Commerce, originally established by an act of Congress on March 3, 1901 as the National Bureau of Standards. The Institute's overall goal is to strengthen and advance the Nation's science and technology and facilitate their effective application for public benefit. The National Computer Systems Laboratory conducts research and provides, among other things, the technical foundation for computer related policies of the Federal Government.

  • National Standard

    Reference standard for a particular country or community traceable to a specific reference.

  • Nationaler Standard

  • Natural Active Immunity

    Immunity that is established after the occurrence of a disease.

  • Natural Killer Cell (NK)

    A type of leukocyte that attacks cancerous or virus-infected cells without previous exposure to the antigen. NK cell activity is stimulated by interferon.

  • Natural Passive Immunity

    Immunity conferred by the mother on the fetus or newborn.

  • Natural Selection

    The differential survival and reproduction of organisms because of differences in characteristics that affect their ability to utilize environmental resources.

  • NBAC

    National Bioethics Advisory Commission

  • NBC

    National Building Code

  • NBE

    New Biological Entity

  • NBR

    Nitrile (Butadiene) Rubber

  • NBS

    National Bureau of Standards (U.S. Department of Commerce)

  • NC

    Nonconformance

  • NC

    Nominating Committee (ISPE term)

  • NC

    Noise Criteria

  • NCCDPHP

    National Center for Chronic Disease Prevention and Health Promotion (CDC)

  • NCCDPHP (National Center for Chronic Disease Prevention and Health Promotion)

  • NCCLS

    National Committee for Clinical Laboratory Standards

  • NCE

    New Chemical Entity