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  • Elution Fractions

  • Elution Profile

    A graph made to show how much material is carried out of the column by the eluent in column chromatography over time. The graph will show a number of different peaks; each peak represents a different separated material from the original mixed substance.
  • Elution Volume

    The amount of eluent that passes through the column in column chromatography before a particular peak appears in an elution profile (that is, before a specific substance of interest comes out with it).
  • EM

    Environmental Monitoring
  • EM

    Electron Microscopy
  • EMA

    Ethylene Methacrylic Acid
  • EMA

    European Medicines Agency(formerly known as EMEA)
  • EMAC

    Ethylene Methyl Acrylate
  • Emancipated Minor

    A legal status conferred upon persons who have not yet attained the age of legal competency as defined by state law (for such purposes as consenting to medical care), but who are entitled to treatment as if they had by virtue of assuming adult responsibilities such as being self-supporting and not living at home, marriage, or procreation.
  • EMAS

    Eco-Management and Audit Scheme
  • Embedded (Embodied) Carbon

    The sum of the energy requirements associated, directly or indirectly, with the delivery of a good or service. In practice however there are different ways of defining embodied energy depending on the chosen boundaries of the study.
  • Embedded Computer

    A device which has its own computing power dedicated to specific functions, usually consisting of a microprocessor and firmware. The computer becomes an integral part of the device as opposed to devices which are controlled by an independent, stand-alone computer. It implies software that integrates operating system and application functions.
  • Embedded Software

    (IEEE) Software that is part of a larger system and performs some of the requirements of that system; e.g., software used in an aircraft or rapid transit system. Such software does not provide an interface with the user.
  • Embriology

    The study of the early stages in the development of an organism. In these stages a single highly specialized cell, the egg, is transformed into a complex, many-celled organism resembling its parents.
  • Embryo

    Early stages of a developing organism, broadly used to refer to stages immediately following fertilization of an egg through implantation and very early pregnancy (i.e., from conception to the eighth week of pregnancy).
  • Embryonic Stem Cells

    Cells that can give rise to any type of differentiated cell. They can be derived from two sources: the inner cell mass from a blastocyt or the primordial germ cells (eggs and sperm) of an older embryo.
  • EMC

    Electromagnetic Compatibility
  • EMEA

    European Medicines Evaluation Agency (now known as EMA)
  • EMF

    Electromagnetic Force or Electromotive Force
  • EMI

    Electromagnetic Interference
  • Emission

    Egress of ingredients or drug product materials from the interior of process equipment.
  • Emissions (Carbon) Trading

    One of the three Kyoto Protocol emissions trading, by which an Annex/Party may transfer Kyoto units (1 unit = 1 ton CO2 or CO2e) to or acquire units from another Annex/Party. A Party must meet specific eligibility requirements to participate in emissions trading.(also see: Kyoto Protocol)
  • Empirical

    Relating to or based upon practical experience, trial and error, direct observation or observation alone, without benefit of scientific method, knowledge or theory.
  • EMS

    Eosinophilia-Myalgia Syndrome
  • EMS

    Environmental Management System