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  2. Mean glandular dose - Wikipedia

    en.wikipedia.org/wiki/Mean_glandular_dose

    MGD can be calculated from a measured incident air kerma at the top of the breast, , as follows: [4] D = K g c s {\displaystyle D=Kgcs} g {\displaystyle g} converts from incident air kerma to MGD, with a glandularity of 50%, based on breast thickness and HVL .

  3. Useful conversions and formulas for air dispersion modeling

    en.wikipedia.org/wiki/Useful_conversions_and...

    Here are the conversion factors for those various expressions of wind speed: 1 m/s = 2.237 statute mile/h = 1.944 knots 1 knot = 1.151 statute mile/h = 0.514 m/s 1 statute mile/h = 0.869 knots = 0.447 m/s. Note: 1 statute mile = 5,280 feet = 1,609 meters

  4. Million standard cubic feet per day - Wikipedia

    en.wikipedia.org/wiki/Million_standard_cubic...

    Million standard cubic feet per day is a unit of measurement for gases that is predominantly used in the United States.It is frequently abbreviated MMSCFD. MMSCFD is commonly used as a measure of natural gas, liquefied petroleum gas, compressed natural gas and other gases that are extracted, processed or transported in large quantities.

  5. Grain per gallon - Wikipedia

    en.wikipedia.org/wiki/Grain_per_gallon

    Calcium and magnesium ions present as sulfates, chlorides, carbonates and bicarbonates cause water to be hard. Water chemists measure water impurities in parts per million (ppm).

  6. Volumetric flow rate - Wikipedia

    en.wikipedia.org/wiki/Volumetric_flow_rate

    The area required to calculate the volumetric flow rate is real or imaginary, flat or curved, either as a cross-sectional area or a surface. The vector area is a combination of the magnitude of the area through which the volume passes through, A , and a unit vector normal to the area, n ^ {\displaystyle {\hat {\mathbf {n} }}} .

  7. Cubic metre per second - Wikipedia

    en.wikipedia.org/wiki/Cubic_metre_per_second

    Cubic metre per second or cubic meter per second in American English (symbol m 3 ⋅ s −1 or m 3 /s) is the unit of volumetric flow rate in the International System of Units (SI).

  8. Standard cubic centimetres per minute - Wikipedia

    en.wikipedia.org/wiki/Standard_cubic_centimetres...

    Standard cubic centimeters per minute (SCCM) is a unit used to quantify the flow rate of a fluid. 1 SCCM is identical to 1 cm³ STP /min. Another expression of it would be Nml/min.

  9. CT Value - Wikipedia

    en.wikipedia.org/wiki/CT_Value

    In water treatment practice, tables of the product C×t are used to calculate disinfection dosages. The calculated CT value is the product of the disinfectant residual (in mg/L) and the detention time (in minutes), through the section at peak hourly flow. [ 5 ]