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  2. Turnaround (refining) - Wikipedia

    en.wikipedia.org/wiki/Turnaround_(refining)

    Turnaround is a blanket term that encompasses more specific terms such as I&Ts (inspection and testing), and maintenance. Turnaround can also be used as a synonym of downtime . Related terms are shutdowns, and outages [ 1 ] sometimes written as Turnarounds, Shutdowns, and Outages (TSO).

  3. Front-end loading - Wikipedia

    en.wikipedia.org/wiki/Front-end_loading

    Front-end loading (FEL), also referred to as Front End Planning (FEP), pre-project planning (PPP), feasibility analysis, conceptual planning, programming/schematic design and early project planning, is the process for conceptual development of projects in processing industries such as upstream oil and gas, petrochemical, natural gas refining, extractive metallurgy, waste-to-energy ...

  4. Turnaround time - Wikipedia

    en.wikipedia.org/wiki/Turnaround_time

    Lead Time vs Turnaround Time: Lead Time is the amount of time, defined by the supplier or service provider, that is required to meet a customer request or demand. [5] Lead-time is basically the time gap between the order placed by the customer and the time when the customer get the final delivery, on the other hand the Turnaround Time is in order to get a job done and deliver the output, once ...

  5. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  6. Bathtub curve - Wikipedia

    en.wikipedia.org/wiki/Bathtub_curve

    If products are retired early or have decreased usage near their end of life, the product may show fewer failures per unit calendar time (but not per unit use time) than the bathtub curve predicts. In reliability engineering, the cumulative distribution function corresponding to a bathtub curve may be analysed using a Weibull chart [ 1 ] or in ...

  7. X-ray microscope - Wikipedia

    en.wikipedia.org/wiki/X-ray_microscope

    An X-ray microscopy image of a living 10-days-old canola plant [1]. An X-ray microscope uses electromagnetic radiation in the X-ray band to produce magnified images of objects. . Since X-rays penetrate most objects, there is no need to specially prepare them for X-ray microscopy observatio

  8. Powder diffraction - Wikipedia

    en.wikipedia.org/wiki/Powder_diffraction

    X-ray powder diffraction of Y 2 Cu 2 O 5 and Rietveld refinement with two phases, showing 1% of yttrium oxide impurity (red tickers). Powder diffraction is a scientific technique using X-ray , neutron , or electron diffraction on powder or microcrystalline samples for structural characterization of materials. [ 2 ]

  9. Technology life cycle - Wikipedia

    en.wikipedia.org/wiki/Technology_life_cycle

    In terms of the S curve, innovators occupy 2.5%, early adopters 13.5%, early majority 34%, late majority 34%, and laggards 16%. The four stages of technology life cycle are as follows: [ 6 ] Innovation stage: This stage represents the birth of a new product, material of process resulting from R&D activities.

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