National Performance Review
Nuclear Posture Review
National Public Radio
Noise Power Ratio
Non-Processor Request
National Partnership for Reinventing G…
Nepal Rupee
Nepalese Rupee
net protein ratio
New Product Return
Noise to Power Ratio
Nozzle Pressure Ratio
Air Napier
NADPH-cytochrome P450 reductase
NADPH-P450 reductase
NASA Procedural Requirements
National Percentile Ranking
National Performance Review's
National Performance Rewiew
National Police Reserve
National Public Radio's
Nations Public Radio
natriuretic peptide receptor
natriuretic peptide receptors
Naval Petroleum Reserve
Naval Petroleum Reserves
naval plant representative
Navel Petroleum Reserves
Navy Procurement Regulations
Near-Pristine Rivers