Natural Resources Institute
net radio interface
National Research Initiative
National Resources Inventory
Nebkota Railway
Nanoelectronics Research Initiative
Natural Resources Inventory
Net Radio Interference
Nomura Research Institute
National Research Institute
National Research Internet
National Resource Inventory
National Resources Institute
National Rivers Inventory
Natural Resource Inventory
Nebkota Railway Incorporated
Nebraska Research Institute
Needham Research Institute
nerve root involvement
Nerve root involvement or irritation
nerve root irritation
Net Revenue Interest
Netherlands Research Institute
Network Radio Interface
Neuberger Berman Inc.
nitrogen regulator I
Non-Repatriable Investment
norepinephrine reuptake inhibitor
Nuclear Resonance Induction
Nursing Research Initiative