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  2. List of time periods - Wikipedia

    en.wikipedia.org/wiki/List_of_time_periods

    This is a list of such named time periods as defined in various fields of study. These can be divided broadly into prehistorical periods and historical periods (when written records began to be kept).

  3. Long-term experiment - Wikipedia

    en.wikipedia.org/wiki/Long-term_experiment

    The first time point was taken in 2014, and the last is intended to be taken on 30 June 2514. Within each box, the experiment is duplicated into a reduced and non-reduced background radiation experiment, with one set of samples being kept in a lead box to cut back background radiation, allowing the impact of radiation in combination with ...

  4. Isothermal transformation diagram - Wikipedia

    en.wikipedia.org/wiki/Isothermal_transformation...

    Isothermal transformation diagrams (also known as time-temperature-transformation (TTT) diagrams) are plots of temperature versus time (usually on a logarithmic scale). They are generated from percentage transformation-vs time measurements, and are useful for understanding the transformations of an alloy steel at elevated temperatures.

  5. Science project - Wikipedia

    en.wikipedia.org/wiki/Science_project

    A science project is an educational activity for students involving experiments or construction of models in one of the science disciplines. Students may present their science project at a science fair, so they may also call it a science fair project. Science projects may be classified into four main types.

  6. Research proposal - Wikipedia

    en.wikipedia.org/wiki/Research_proposal

    A research proposal is a document proposing a research project, generally in the sciences or academia, and generally constitutes a request for sponsorship of that research. [1] Proposals are evaluated on the cost and potential impact of the proposed research, and on the soundness of the proposed plan for carrying it out. [ 2 ]

  7. Outline of project management - Wikipedia

    en.wikipedia.org/wiki/Outline_of_project_management

    Tasks in project management are activity that needs to be accomplished within a defined period of time. Time limit is a narrow field of time, or a particular point in time, by which an objective or task must be accomplished. Work in project management is the amount of effort applied to produce a deliverable or to accomplish a task (a terminal ...

  8. Research design - Wikipedia

    en.wikipedia.org/wiki/Research_design

    The choice of how to group participants depends on the research hypothesis and on how the participants are sampled.In a typical experimental study, there will be at least one "experimental" condition (e.g., "treatment") and one "control" condition ("no treatment"), but the appropriate method of grouping may depend on factors such as the duration of measurement phase and participant ...

  9. Unit of time - Wikipedia

    en.wikipedia.org/wiki/Unit_of_time

    The Jiffy is the amount of time light takes to travel one femtometre (about the diameter of a nucleon). The Planck time is the time that light takes to travel one Planck length. The TU (for time unit) is a unit of time defined as 1024 μs for use in engineering. The svedberg is a time unit used for sedimentation rates (usually