QPM
From Wikipedia, the free encyclopedia
QPM may refer to:
- Queen's Police Medal, a medal awarded to police officers in the United Kingdom and Commonwealth for gallantry or distinguished service
- Quasi-phase-matching, a technique in nonlinear optics which allows a positive net flow of energy from the pump frequency to the signal and idler frequencies by creating a periodic structure in the nonlinear medium
- Quality Protein Maize, contains nearly twice as much usable protein as other maize (or corn) grown in the tropics and yields 10% more grain than traditional varieties of maize
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