net primary productivity
net primary production
Nuclear Power Plant
Naval Propellant Plant
NIPPONDENSO
NPOESS Preparatory Project
National Policy Paper
National Protection and Programs
NPOESS Preparatory Program
Narrative Project Plan
National Partnership Program
National Partnership Protocol
National Peoples' Party
National Pesticides Policy
National Policing Plan
National Population Policy
National Pretreatment Program
National Priority Program
National Privacy Panel
National Privacy Principles
negative predictive power
Net Print Providers
Network Packet Provider
Network Payment Protocol
Network Printing Protocol
Network Programming Platform
Network Protocol Processor
new permeation pathways
New Physics Project
New Policy Proposal