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  2. Deal–Grove model - Wikipedia

    en.wikipedia.org/wiki/Deal–Grove_model

    Given these assumptions, the flux of oxidant through each of the three phases can be expressed in terms of concentrations, material properties, and temperature. = = = where: is the gas-phase transport coefficient, is the concentration of oxidant in the surrounding atmosphere, is the concentration of oxidant in the surface of the oxide, is the concentration of the oxidant at the interface ...

  3. Tautochrone curve - Wikipedia

    en.wikipedia.org/wiki/Tautochrone_curve

    For a simple harmonic oscillator released from rest, regardless of its initial displacement, the time it takes to reach the lowest potential energy point is always a quarter of its period, which is independent of its amplitude.

  4. Control chart - Wikipedia

    en.wikipedia.org/wiki/Control_chart

    Control charts are graphical plots used in production control to determine whether quality and manufacturing processes are being controlled under stable conditions. (ISO 7870-1) [1] The hourly status is arranged on the graph, and the occurrence of abnormalities is judged based on the presence of data that differs from the conventional trend or deviates from the control limit line.

  5. AP Precalculus - Wikipedia

    en.wikipedia.org/wiki/AP_Precalculus

    The non-calculator section is worth 43.75% of the exam score, while the calculator section is worth 18.75%. [5] Section II of the Exam includes 4 free response questions, with 2 not allowing a calculator and 2 allowing use of a calculator. Section II is worth 37.5% of the exam score, with the non-calculator and calculator sections weighed ...

  6. Casio graphic calculators - Wikipedia

    en.wikipedia.org/wiki/Casio_graphic_calculators

    These variables are also shared by other functions of the calculator, for instance, drawing a graph will overwrite the X and Y values. MicroPython was added to Casio graphing from the PRIZM fx-CG50 and the fx-9860 GIII series. The latest Classwiz CG Series of graphing calculators instead use the Python programming language. [12]

  7. 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!

  8. Nomogram - Wikipedia

    en.wikipedia.org/wiki/Nomogram

    The example uses a three-year minimum frequency for each, though with the high risk end of the scales different for the two aspects, giving different frequencies for the two, but both subject to an overall minimum sampling of every food for all aspects at least once every three years.

  9. End (graph theory) - Wikipedia

    en.wikipedia.org/wiki/End_(graph_theory)

    In the mathematics of infinite graphs, an end of a graph represents, intuitively, a direction in which the graph extends to infinity. Ends may be formalized mathematically as equivalence classes of infinite paths, as havens describing strategies for pursuit–evasion games on the graph, or (in the case of locally finite graphs) as topological ends of topological spaces associated with the graph.