Npdwr
[Environmental Protection Agency] National Primary Drinking Water Regulations
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- N.p.f.
not provided for
- Npg
negative population growth
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normal pressure hydrocephalus
- Np-hard
complexity A set or property of computational search problems. A problem is NP-hard if solving it in polynomial time would make it possible to solve all problems in class NP in polynomial time. Some NP-hard problems are also in NP (these are called “NP-complete”), some are not. If you could reduce an NP problem to […]