SUBJECT HEADING LIST TO THE CEDB 

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 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

BT = Broader term; NT = Narrower term; RT = Related term; SN = Scope note; UF = Use for
Unauthorized term = Term displayed in []'s

N

Nails
[NAPLs]
            Use: Nonaqueous phase liquids
NASA
            BT: Federal agencies
Native Americans
            BT: Minority groups
            RT: Indian reservations
Natural disasters
            BT: Disasters
Natural frequency
            BT: Frequency
Natural gas
            BT: Gas
Natural resources
            NT: Electric power resources
            NT: Energy sources
            NT: Renewable resources
            NT: Water resources
            RT: Resource management
Navier-Stokes equations
Navigation
Navy
            RT: Military engineering
            UF: [U.S. Navy]
Nearshore
            BT: Shores
Nearshore circulation
            BT: Circulation
Nebraska
            BT: United States
Negligence
            RT: Liability
Negotiations
            RT: Arbitration
Nepal
            BT: Asia
Netherlands
            BT: Europe
Network analysis
            BT: Analysis
Network design
            BT: Design
Networks
            NT: Computer networks
            NT: Hydraulic networks
            NT: Neural networks
            NT: Pipe networks
            NT: Transportation networks
Neural networks
            BT: Networks
Nevada
            BT: United States
New England
            BT: United States
New Hampshire
            BT: United States
New Jersey
            BT: United States
New Mexico
            BT: United States
New York
            BT: United States
            NT: New York City
New York City
            BT: New York
New Zealand
Niagara River
            BT: Rivers
Nigeria
            BT: Africa
Nighttime construction
            BT: Construction
Nile River
            BT: Rivers
Nitrates
            NT: Organic nitrates
Nitrification
            RT: Denitrification
Nitrites
Nitrogen
Nitrogen oxide
Noise
            NT: White noise
Noise control
            BT: Control
Nonaqueous phase liquids
            BT: Liquids
            UF: [NAPLs]
[Noncohesive soils]
            Use: Cohesionless soils
Nondestructive tests
            BT: Tests
Nonlinear analysis
            BT: Analysis
Nonlinear differential equations
            BT: Differential equations
Nonlinear response
Nonlinear systems
            RT: Linear systems
Nonpoint pollution
            BT: Pollution
[Nonstationary processes]
            Use: Stationary processes
Nonstructural elements
            RT: Structural elements
Nonuniform flow
            BT: Flow
Nonuniformity
            RT: Uniformity
North America
            NT: Canada
            NT: United States
North Carolina
            BT: United States
North Dakota
            BT: United States
North Sea
            BT: Oceans
Norway
            BT: Europe
Notches
Nuclear energy
            BT: Energy
            RT: Uranium
Nuclear fuel cycle
Nuclear powerplants
            BT: Powerplants
Nuclear reactors
            BT: Reactors
Nuclear safety
            BT: Safety
[Nuclear wastes]
            Use: Radioactive wastes
Nuclear weapons
            BT: Weapons
Numerical analysis
            BT: Analysis
Numerical models
            BT: Models
Nutrient loads
            BT: Loads
Nutrients

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