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References will be made to "actual" flow rate through a meter and "standard" or "base" flow rate through a meter with units such as acm/h (actual cubic meters per hour), sm 3 /sec (standard cubic meters per second), kscm/h (thousand standard cubic meters per hour), LFM (linear feet per minute), or MMSCFD (million standard cubic feet per day).
A normal cubic meter (Nm 3) is the metric expression of gas volume at standard conditions and it is usually (but not always) defined as being measured at 0 °C and 1 atmosphere of pressure. A standard cubic foot (scf) is the USA expression of gas volume at standard conditions and it is often ( but not always ) defined as being measured at 60 ...
SCCM (flow unit) (standard cubic centimeters per minute), a flow measurement term System Center Configuration Manager , the latest version of Microsoft Systems Management Server Shock Compression of Condensed Matter , a unit of the American Physical Society
The standard liter per minute (SLM or SLPM) is a unit of (molar or) mass flow rate of a gas at standard conditions for temperature and pressure (STP), which is most commonly practiced in the United States, whereas European practice revolves around the normal litre per minute (NLPM). [1]
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= milligrams of pollutant per cubic meter of air at sea level atmospheric pressure and T: ppmv = air pollutant concentration, in parts per million by volume T = ambient temperature in K = 273. + °C 0.082057338 = Universal gas constant in L atm mol −1 K −1: M = molecular mass (or molecular weight) of the air pollutant
m 3 are standard cubic meters at 0 °C and 101.325 kPa, and scf is standard cubic feet at 60 °F and 14.696 psia. See also
MMcf – million cubic feet (of natural gas) MMcfe – million cubic feet (of natural gas equivalent) MMcfge – million cubic feet (of natural gas equivalent) MMS – Minerals Management Service (United States) MMscfd – million standard cubic feet per day; MMTPA – millions of metric tonnes per annum; MMstb – million stock barrels