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  2. Montevideo units - Wikipedia

    en.wikipedia.org/wiki/Montevideo_units

    Peak uterine pressure amplitudes were 50 mmHg; during the 10 minute period of measurement 3 contractions occurred; subtract the resting tone from the peak intensity of the contraction; add the 3 contractions together to get the MVUs; Montevideo units are calculated by obtaining the peak uterine pressure amplitude and subtracting the resting tone.

  3. Pressure-wind relationship calculations for tropical cyclones

    en.wikipedia.org/wiki/Pressure-wind_relationship...

    The interchangeability of pressure and wind allows for the two to be used to give equivalencies for the public. [7] Pressure-wind relations can be used when information is incomplete, forcing forecasters to rely on the Dvorak Technique. [6] Some storms may have particularly high or low pressures that do not match with their wind speed.

  4. Pressure altitude - Wikipedia

    en.wikipedia.org/wiki/Pressure_altitude

    Aircraft Mode “C” transponders report the pressure altitude to air traffic control; corrections for atmospheric pressure variations are applied by the recipient of the data. The relationship between static pressure and pressure altitude is defined in terms of properties of the ISA.

  5. Barometric formula - Wikipedia

    en.wikipedia.org/wiki/Barometric_formula

    Pressure as a function of the height above the sea level. There are two equations for computing pressure as a function of height. The first equation is applicable to the atmospheric layers in which the temperature is assumed to vary with altitude at a non null lapse rate of : = [,, ()] ′, The second equation is applicable to the atmospheric layers in which the temperature is assumed not to ...

  6. What is a normal blood pressure reading? - AOL

    www.aol.com/lifestyle/normal-blood-pressure...

    "Your blood pressure is supposed to be under 140 over 90, optimally closer to 120 over 80."

  7. Mean arterial pressure - Wikipedia

    en.wikipedia.org/wiki/Mean_arterial_pressure

    In medicine, the mean arterial pressure (MAP) is an average calculated blood pressure in an individual during a single cardiac cycle. [1] Although methods of estimating MAP vary, a common calculation is to take one-third of the pulse pressure (the difference between the systolic and diastolic pressures), and add that amount to the diastolic pressure.

  8. Tetens equation - Wikipedia

    en.wikipedia.org/wiki/Tetens_equation

    where temperature T is in degrees Celsius (°C) and saturation vapor pressure P is in kilopascals (kPa). According to Monteith and Unsworth, "Values of saturation vapour pressure from Tetens' formula are within 1 Pa of exact values up to 35 °C." Murray (1967) provides Tetens' equation for temperatures below 0 °C: [3]

  9. Armstrong limit - Wikipedia

    en.wikipedia.org/wiki/Armstrong_limit

    A pressure of 6.3 kPa—the Armstrong limit—is about 1/16 of the standard sea-level atmospheric pressure of 101.3 kilopascals (760 mmHg). At higher altitudes water vapour from ebullism will add to the decompression bubbles of nitrogen gas and cause the body tissues to swell up, though the tissues and the skin are strong enough not to burst ...