Many of the entries listed in our index of topical pages are scientific acronyms or terms, for example gene sequences or chemical formulas.
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0-9 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

         d* plus resonances
         d codes
         d region
         d states
         d waves
         daily variations
         dairy industry
         damage factor
         damage nuclear
         damage radiation chemical
         damage radiation physical
         damage ratio
         damage zone
         darcy law
         dark matter
         data acquisition

         data acquisition systems
         data analysis
         data base management
         data compilation
         data compilation evaluated
         data covariances
         data display systems
         data forms
         data processing
         data processors
         data storage devices
         data tagging
         data transmission
         data transmission systems
         data validation
         dc amplifiers
         dc resins
         dc systems
         dc to dc converters

         de sitter group
         dead sea
         dead time
         debt collection
         debye-scherrer method
         decanoic acid
         decay biological
         decay heat
         decay products
         deciduous trees
         decision making
         decision tree analysis
         decisions and orders
         deck effect

         decontamination factor
         decyl alcohols
         deep river
         defense production act
         deficiency nutritional
         degradation chemical
         degradation energy
         degradation nuclear
         degradation thermal
         degree days
         degrees of freedom

         delayed gamma radiation
         delayed protons
         delayed radiation effects
         deletions chromosomal
         delphi method
         delta function
         delta rays
         demand factors
         democratic republic of the congo
         demonstration plants
         demonstration programs

         denaturation protein
         density carrier
         density charge
         density current
         density electron
         density energy
         density energy-level
         density flux
         density functional method
         density grain
         density ion
         density log
         density matrix
         density neutron
         density plasma
         density population
         density power
         density proton
         density spectral

         deoxyribonucleic acid
         department of defense
         department of interior
         department of transportation
         depletion layer
         deposits geological
         depth 3-6 km
         depth 6-9 km
         depth distribution
         depth dose distributions
         depth doses
         desalination plants

         design reports
         design technical specifications
         desoxycorticosterone acetate
         destructive chemical analysis
         destructive testing
         detection limits
         detection radiation
         detection seismic
         detectors radiation
         determination chemical
         deterministic estimation
         deuterium oxide
         developed countries

         developing countries
         devonian shales
         dew point
         diabetes mellitus
         diagnostic techniques
         diagnostic uses
         diagnostics fusion
         diatomaceous earth

         diazo compounds
         dicarboxylic acids
         dicentric chromosomes
         dielectric constant
         dielectric materials
         dielectric properties
         diels-alder reaction
         diesel engines
         diesel fuels
         diesel motors
         diethyl ether
         diethylenetriaminepentaacetic acid

         differential calculus
         differential cross sections
         differential equations
         differential geometry
         differential thermal analysis
         diffraction neutron
         diffusion barriers
         diffusion chambers
         diffusion equations
         diffusion length
         diffusion welding
         digester gas
         digestive system
         digestive system diseases
         digital computers
         digital filters
         digital frequency analysis
         digital systems
         digitalis glycosides

         dimensionless numbers
         dimethyl ether
         dimethyl ketone
         dimethyl sulfoxide
         dip coating
         diplococcus pneumoniae
         dipole moments
         dipped coatings
         dirac equation
         direct current

         direct energy conversion
         direct energy converters
         direct ethanol fuel cells
         direct gain systems
         direct injection engines
         direct methanol fuel cells
         direct reactions
         direct solar radiation
         directed-energy weapons
         directional correlation
         disadvantage factor
         discharges electric
         discharges wastes
         discount rate
         disease free period
         disease incidence
         disease resistance
         disease vectors

         disintegration chemical
         disks intervertebral
         disks magnetic
         dispersal insect
         dispersants chemical
         disperse systems
         dispersion hardening
         dispersion relations
         dispersion theory
         displacement fluids
         displacement rates
         displacement ventilation
         display devices
         disposable income
         disposal wastes
         disposal wells
         dissipation factor
         dissociation energy
         dissolved gases

         dissolved materials
         dissolved oxygen
         dissolved solids
         distillation equipment
         distributed data processing
         distributed structures
         distribution constants
         distribution functions
         district cooling
         diurnal variation
         dna adducts

         dna damages
         dna hybridization
         dna mismatch
         dna repair
         dna replication
         dna sequencers
         dna sequencing
         document retrieval
         document types
         dolomite rock
         domain structure
         domes structures
         domestic animals
         domestic supplies
         domestic wastes
         dominant mutations

         dominican republic
         doped materials
         doping crystal
         doppler coefficient
         doppler effect
         dose distributions
         dose equivalents
         dose fractionation
         dose limits
         dose rates
         dose reduction factor
         dose relative factor
         dose-response relationships
         doses lethal
         doses radiation
         double bonds

         double resonance methods
         douglas point site
         downs syndrome
         draft control systems
         drag coefficient
         drag effect
         drainage areas
         drainage systems
         drift electron
         drift plasma
         drill cores
         drill holes

         drilling equipment
         drilling fluids
         drilling materials
         drilling platforms
         drilling rock
         drinking water
         droplet model
         drought resistance
         drug abuse
         dry ashing
         dry deposition
         dry holes
         dry storage
         dual energy use systems

         dual temperature process
         ducts tear
         dust collectors
         dynamic function studies
         dynamic loads
         dynamic programming
         dynamic studies biological
         dynamical groups
         dynamics beam