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  2. DePriester chart - Wikipedia

    en.wikipedia.org/wiki/DePriester_chart

    For example, to find the K value of methane at 100 psia and 60 °F. On the left-hand vertical axis, locate and mark the point containing the pressure 100 psia. On the right-hand vertical axis, locate and mark the point containing the temperature 60°F. Connect the points with a straight line. Note where the line crosses the methane axis.

  3. Free androgen index - Wikipedia

    en.wikipedia.org/wiki/Free_androgen_index

    The free androgen index is intended to give a guide to the free testosterone level, but it is not very accurate (especially in males — see endocrine society commentary below). Consequently, there are no universally agreed 'normal ranges', and levels slightly above or below quoted laboratory reference ranges may not be clinically significant.

  4. Pot odds - Wikipedia

    en.wikipedia.org/wiki/Pot_odds

    The ratio has two numbers: the size of the pot and the cost of the call. To convert this ratio to the equivalent percentage, the cost of the call is divided by the sum of these two numbers. For example, the pot is $30, and the cost of the call is $10. The pot odds in this situation are 30:10, or 3:1 when simplified.

  5. Advance ratio - Wikipedia

    en.wikipedia.org/wiki/Advance_ratio

    Low Advance Ratio (J < 1): When the advance ratio is low, the vehicle is moving forward slowly relative to the propeller speed. This usually happens at low speeds or when the propeller is turning very fast. High Advance Ratio (J > 1): When the advance ratio is high, the vehicle is moving forward quickly compared to the propeller's rotational speed.

  6. Digital differential analyzer (graphics algorithm) - Wikipedia

    en.wikipedia.org/wiki/Digital_differential...

    The native floating-point implementation requires one addition and one rounding operation per interpolated value (e.g. coordinate x, y, depth, color component etc.) and output result. This process is only efficient when an FPU with fast add and rounding operation will be available.

  7. Peak-to-trough ratio - Wikipedia

    en.wikipedia.org/wiki/Peak-to-trough_ratio

    Peak-to-trough ratio in pharmacokinetics is the ratio of peak (C max) and trough (C min) levels of a drug over its dosing interval (τ) at steady state.. Peak-to-trough ratio (PTR), also known as peak-to-trough variation or peak-to-trough fluctuation, is a parameter in pharmacokinetics which is defined as the ratio of C max (peak) concentration and C min (trough) concentration over a dosing ...

  8. Prognostic chart - Wikipedia

    en.wikipedia.org/wiki/Prognostic_chart

    Surface weather prognostic charts for mariners indicate the positions of high and low pressure areas, as well as frontal zones, up to five days into the future. Surface wind direction and speed is also forecast on this type of chart. Wave prognostic charts show the expected sea state at some future time. [2]

  9. Newmark's influence chart - Wikipedia

    en.wikipedia.org/wiki/Newmark's_influence_chart

    It is proportional to the number of elements in the chart and is given by 1/N, N being the total number of elements in the chart. For example, a typical chart consists of 200 elements; therefore, the influence value is 0.005. [1] The procedure for obtaining the vertical pressure at any point below a loaded area is as follows: