MPR can refer to different things depending on the context. Here are some possible meanings:
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Microparticle Performance Rating: This is an air filter rating system created by the company 3M. It rates the ability of an air filter to filter out micro particles between 0.3 and 1 µm. The higher the MPR, the better the filters ability to capture particles from the air as it passes through the filter. MPR is different from MERV, the Minimum Efficiency Reporting Value, which measures a filter's ability to capture large particles.
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Minnesota Public Radio: This is one of the nation’s premier public radio organizations, producing programming for radio, digital and live audiences. It operates a 46-station terrestrial radio network and has 41 translators. American Public Media manages MPR’s national programming.
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Monthly Progress Review: This can refer to a variety of things, such as a military pay record, master personnel records, or manufacturer's production run.
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Monetary Policy Rate: This is the structural guide for the central bank to operate its monetary policy operation.
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Monthly Payment Rate: This is calculated by dividing the sum of the interest and principal payments received in a month by the outstanding balance.
