Alphabetical View

Display Hierarchical | Alphabetical | KWOC | KWIC

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Nacelles (Qpeun)
Nails (Rbmnkm)
Nanomaterials
Use Nanostructured materials (Rbmuhmn)
Nanostructured materials (Rbmuhmn)
Use For Nanomaterials
Nanotechnology (Tto)
Naphtha (Rbmdppf)
Narcolepsy (Hmdnn)
Narcotics (Hmdqxd)
Narrow body aircraft (Qbkwn)
Narrow bridges (Pdybmdm)
Narrow gage track (Pmudbn)
National Air System delay
Use Flight delays (Bbjkmd)
National defense (Hswd)
National government
Use Federal government (Ngdc)
National heritage
Use Cultural resources (Khrr)
National parks (Pfqnn)
National security (Hsw)
Use For Homeland security
Nationalisation
Use Nationalization (Cyq)
Nationality of ships
Use Registry (Brscr)
Nationalization (Cyq)
Use For Nationalisation
Native Americans (Mhm)
Use For Indians of North America; American Indians
Native peoples
Use Indigenous peoples (Mhv)
Native plants (Jcmbdvn)
Natural aggregates (Rbmddccn)
Natural earth crust materials (Rbe)
Natural frequency (Sexfn)
Natural gas (Rbeugn)
Natural gas (Rbffpn)
Natural gas buses (Qbddhpbpg)
Use For CNG powered buses; NGV powered buses
Natural gas distribution systems (Jnrrm)
Use For Gas distribution
Natural gas pipelines (Pmnppgn)
Natural gas vehicles (Qbddpn)
Natural resins (Rbmdqrj)
Natural resources (Jn)
Use For Earth resources; Resources
Natural rock asphalt
Use Asphalt rock (Rbeusbf)
Natural rubber (Rbmdqdrk)
Naturalistic driving data
Use Automatic data collection systems (Xbkcb)
Naturalistic driving research
Use Automatic data collection systems (Xbkcb)
Nautical astronomy
Use Celestial navigation (Dcnsbb)
Nautical charts (Dcnsjn)
Navaids
Use Navigational aids (Dcns)
Naval aircraft (Qbkomn)
Naval architecture (Ttkt)
Naval shore facilities (Pfmn)
Naval vessels
Use Military vessels (Qbhom)
Navigation (Dcn)
Navigation (Aeronautics)
Use Aircraft pilotage (Dcnbscb)
Navigation aids
Use Navigational aids (Dcns)
Navigation charts (Dcnsj)
Navigation computers (Dcnspg)
Use For Navigational computers; Guidance computers
Navigation devices (Dcnsp)
Navigation lights (Dcnspj)
Navigation processes (Dcnb)
Navigation radar (Dcnsbqmn)
Navigation receivers
Use Radar receivers (Dcnspsr)
Navigation simulators
Use Ship simulators (Qtpstss)
Navigation system using time and ranging
Use NAVSTAR (Dcnsbtn)
Navigation systems (Dcnsb)
Navigational aids (Dcns)
Use For Navigation aids; Navaids
Navigational aids by reference to craft (Dcnsx)
Navigational aids specific to a craft or vehicle (Dcnsy)
Navigational computers
Use Navigation computers (Dcnspg)
Navigational satellites (Dcnspm)
Use For Maritime satellites
Navigators (Aircraft)
Use Air navigators (Mtbd)
Navigators (Shipboard personnel)
Use Ship navigators (Mtjh)
NAVSTAR (Dcnsbtn)
Use For Navigation system using time and ranging
Navy personnel (Msnn)
NDTs
Use Nondestructive tests (Gbh)
Near accidents
Use Near crashes (Hbkn)
Near crashes (Hbkn)
Use For Near accidents; Near miss collisions (Ground transportation)
Near field (Sbhrn)
Near midair collisions
Use Near midair crashes (Hbban)
Near midair crashes (Hbban)
Use For Near misses; Near midair collisions
Near miss collisions (Ground transportation)
Use Near crashes (Hbkn)
Near misses
Use Near midair crashes (Hbban)
Nearside (Qpbasn)
Nearside (Bus stops) (Pmrubsn)
Neck (Mye)
Neck motion range (Myea)
Needs assessment (Epdbn)
Negative skin friction (Smdjsn)
Negligence (Hux)
Neighborhoods (Vwvn)
Neoprene (Rbmdqdrn)
Nerves (Mycn)
Nervous system (Myc)
Nervous system diseases (Hmdn)
Network analysis (Planning) (Epdmyn)
Network analyzers (Qtpxmbbn)
Network equilibrium
Use Equilibrium (Systems) (Dche)
Networks (Syn)
Use For Connections
Neural networks (Xbkdn)
Use For Artificial neural networks; ANNs (Artificial neural networks)
Neurology (Ttum)
Neutral stress
Use Pore pressure (Smipp)
Neutralization (Sccj)
Neutron activation analysis (Gbccan)
Neutrons (Rbcbbsn)
New products (Cpppn)
New towns (Vwuctn)
News (Xsn)
Newspapers (Xxfn)
Newton's equations of motion (Saq)
Use For Newton's laws of motion
Newton's law of gravitation (Sap)
Newton's laws of motion
Use Newton's equations of motion (Saq)
NGV powered buses
Use Natural gas buses (Qbddhpbpg)
Nickel (Rbcefdm)
Nickel alloys (Rbmdkdn)
Nickel batteries (Qtpfbbn)
Nickel cadmium batteries (Qtpfbbnc)
Nickel iron batteries (Qtpfbbnj)
Use For Edison batteries; Iron nickel batteries
Nickel zinc batteries (Qtpfbbny)
Nicotine (Rbmumtcjn)
Night (Wegp)
Night shifts (Ccbkhsn)
Night visibility (Hasvn)
Night vision (Mxbvn)
Night vision devices (Qtbpt)
Nighttime accidents
Use Nighttime crashes (Hbktn)
Nighttime crashes (Hbktn)
Use For Nighttime accidents
Nitrates (Rbcgcrc)
Nitric acid (Rbcgnrm)
Nitric oxide (Rbcgnrr)
Nitrites (Rbcgcrf)
Nitrogen (Rbcefgn)
Nitrogen compounds (Rbcgcr)
Nitrogen dioxide (Rbcgnrun)
Nitrogen inorganic compounds (Rbcgnr)
Nitrogen oxides (Rbcgnru)
NMR
Use Nuclear magnetic resonance (Spg)
No build (Epdrn)
Use For Transportation system management alternative
No driving automation
Use Level 0 driving automation (Dcmvla)
No fault insurance (Cnvhk)
No frills carriers
Use Low cost carriers (Nbbam)
No parking (Brddq)
No passing zones (Crftrk)
Noble gases (RBBFSJ)
Use For Inert gases
Nodes (Networks) (Synn)
Noise (Jfn)
Use For Noise pollution
Noise (Communications) (Dsmrn)
Noise abatement
Use Noise control (Jfny)
Noise barriers (Pmrcpbn)
Use For Sound barriers; Traffic noise barriers
Noise control (Jfny)
Use For Noise abatement
Noise generators (Gumpdn)
Noise meters
Use Sound level meters (Gumpq)
Noise parameters
Use Sound level (Sbjs)
Noise pollution
Use Noise (Jfn)
Noise propagation
Use Sound transmission (Sbv)
Noise sources (Jfnb)
Noise transmission
Use Sound transmission (Sbv)
Nomographs (Xxvmcs)
Nonattainment areas (Jfgybn)
Noncohesive soils
Use Granular soils (Rbesfg)
Nondestructive testing
Use Nondestructive tests (Gbh)
Nondestructive tests (Gbh)
Use For Nondestructive testing; NDTs
Nonflammable materials (Rbmnmn)
Nonlinear differential equations (Uhdn)
Nonlinear equations (Ubeep)
Nonlinear programming (Ubbpp)
Nonlinear systems (Dcgn)
Nonmetals (Rbcebn)
Nonmotorized transportation (Aex)
Use For Active transportation
Nonnewtonian flow (Smdffm)
Nonparametric analysis (Usk)
Nonprofit corporations (Ntca)
Nonrecurrent congestion (Bthfcd)
Nonshattering glass (Rbmdfmsn)
Use For Laminated glass; Shatterproof glass
Nontransportation industries (Ncg)
Nonuniform flow (Smdffn)
Nonuser benefits (Kktn)
Nonwoven materials (Rbmdxcn)
Nonwoven textiles (Rbmdxcnt)
Normal distributions (Usydr)
Northern hemisphere (Vchn)
Nose (Mydbn)
Notch tests (Gbbmmn)
Notching (Cutting) (Fcbyjmn)
Notebook computers
Use Laptop computers (Qtpxmbpcm)
Novices (Msq)
Nozzles (Qtphhn)
Nuclear density gages (Gumend)
Nuclear density gages (Gumsmn)
Nuclear energy (Spe)
Nuclear engineering (Ttku)
Nuclear excavation (Fcfxehn)
Nuclear explosions (Spf)
Nuclear fission
Use Fission (Spsc)
Nuclear fuel elements
Use Fuel elements (Qtbnpf)
Nuclear fuels (Rbfn)
Nuclear fusion
Use Fusion (Spsk)
Nuclear gages (Gumen)
Use For Nuclear meters; Radioactive gages
Nuclear magnetic resonance (Spg)
Use For Magnetic nuclear resonance; NMR
Nuclear materials
Use Radioactive materials (Rbmdsr)
Nuclear meters
Use Nuclear gages (Gumen)
Nuclear moisture density determinations
Use Nuclear tests (Gbhn)
Nuclear moisture gages (Gumenm)
Nuclear moisture gages (Gumsbp)
Nuclear phenomena (Sp)
Nuclear physics (Tpxen)
Nuclear power (Spep)
Nuclear power generation (Jnrrppn)
Nuclear power plants (Pmppn)
Nuclear powered icebreakers (Qbhksn)
Nuclear powered ships (Qbhpn)
Nuclear probes (Gumenp)
Nuclear probes (Gumesn)
Nuclear radiation (Spm)
Nuclear reactions (Sps)
Nuclear reactor components (Qtbnp)
Nuclear reactor coolants (Rbmnhn)
Nuclear reactor cores (Qtbnpc)
Nuclear reactor wastes
Use Spent reactor fuels (Rbfns)
Nuclear reactors (Qtbn)
Nuclear tests (Gbhn)
Use For Nuclear moisture density determinations
Nuclear weapons (Qtpymn)
Nucleation (Scpin)
Nucleonics (Ttx)
Nucleus (Biology) (Jcan)
Nucleus (Physics)
Use Atomic nucleus (Rbcbbsb)
Number plates
Use License plates (Qpym)
Number theory (Udc)
Numbers (Ufn)
Numerical analysis (Uht)
Use For Numerical solutions
Numerical control (Dcgp)
Numerical integration (Ubfp)
Numerical solutions
Use Numerical analysis (Uht)
Nuts (Fasteners) (Rbmnkn)
Nylon (Rbmdqn)

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