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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

         p codes
         p invariance
         p reactor
         p states
         p waves
         p waves seismic
         p1-approximation
         paba
         pacemakers
         pacific islands
         pacific ocean
         packaging
         packaging rules
         packing
         packing column
         packings
         paec
         pah
         pain
         paintings
         paints
         pair conversion
         pair production
         pakistan
         palau


         paleontology
         palladium
         palladium 100
         palladium 104
         palladium 106
         palladium 92
         palladium 94
         palladium complexes
         palladium compounds
         palladium ions
         palm oil
         palmitic acid
         palynology
         panama
         panama canal
         panama canal zone
         pancreas
         panels
         pantothenic acid
         papain
         papaver somniferum
         papayas
         paper
         paper chromatography
         paper industry

     papp - parks

         papp
         paprika
         papua
         papua new guinea
         para-aminobenzoic acid
         parabiosis
         parabolas
         paraffin
         paraffin removal
         paraffins
         paragenesis
         paraguay
         parallel processing
         paramagnetic resonance electron
         paramagnetic resonance nuclear
         parametric analysis
         parametric oscillators
         parasites
         parasitic diseases
         parasympathetic nervous system
         parathion
         parathormone
         parathyroid glands
         parity
         parks


         parks energy
         parthenogenesis
         partial differential equations
         partial pressure
         partial waves
         particle decay
         particle discrimination
         particle identification
         particle interactions
         particle losses
         particle mobility
         particle models
         particle production
         particle properties
         particle radii
         particle size
         particle sources
         particle structure
         particles
         particles fuel
         particulates
         partition
         partition chromatography
         partition functions
         partons


         parturition
         pas
         pascal
         passengers
         passivation
         passivity
         pasteurization
         pastures
         patent laws
         patents
         path integrals
         pathogenesis
         pathogens
         pathological changes
         pathology
         patients
         pattern recognition
         patterson method
         pauli exclusion principle
         pauli principle
         pavements
         payback period
         pbi
         pca
         pcb


         pcr
         pcv systems
         pe-16
         pea plant
         peaches
         peak load
         peak power
         peaks
         peanut oil
         peanuts
         pears
         peas
         peat
         pecan trees
         pectins
         pediatrics
         pegmatites
         peierls method
         pellet injection
         pelletizing
         pellets
         pelvis
         penalties
         pendulums
         penetration depth


         penetrometers
         penicillamine
         penicillin
         penicillium
         penning effect
         pennsylvania
         pentaerythritol tetranitrate
         pentane
         pentobarbital
         pentoses
         people
         pep
         peppers
         pepsin
         peptide hormones
         peptides
         peptone
         per capita values
         perchlorates
         perchloric acid
         perfect flow
         perforation
         performance
         performance testing
         perfused organs


         pericardium
         peridotites
         period reactor
         periodic acid
         periodic functions
         periodic potentials
         periodic system
         periodicity
         periosteum
         peripheral models
         periphyton
         peritoneum
         peritonitis
         perlite
         permanent magnets
         permeability
         permeability damage
         permeability magnetic
         permeability reduction
         permian basin
         permit applications
         permits
         permittivity
         pernicious anemia
         perovskite


         perovskites
         peroxidases
         peroxides
         persian gulf
         personal computers
         personnel
         personnel management
         personnel monitoring
         perspex
         pert method
         perturbation theory
         perturbations
         peru
         perylene
         pest control
         pest eradication
         pesticides
         pet scanning
         petit process
         petn
         petrochemical feedstocks
         petrochemical plants
         petrochemicals
         petrography
         petroleum


         petroleum coke
         petroleum deposits
         petroleum ether
         petroleum geology
         petroleum industry
         petroleum products
         petroleum refineries
         petroleum residues
         petrology
         ph'chromosome
         ph value
         phages
         phagocytes
         phagocytosis
         phanerochaete
         phantoms
         pharmaceuticals
         pharmacology
         pharmacotherapy
         pharynx
         phase change materials
         phase diagrams
         phase factor
         phase oscillations
         phase rule


         phase shift
         phase space
         phase stability
         phase studies
         phase transformations
         phase velocity
         phaseolus
         phenacetin
         phenanthrene
         phenobarbital
         phenol
         phenology
         phenolphthalein
         phenols
         phenothiazines
         phenotype
         phenylalanine
         pheromone
         philadelphia chromosome
         philippines
         phonons
         phosphatases
         phosphate glass
         phosphate minerals
         phosphate process


         phosphate rocks
         phosphates
         phosphatidylcholine
         phosphines
         phosphites
         phosphocreatine
         phosphodiesterases
         phosphohydrolases
         phospholipids
         phosphomolybdic acid
         phosphonates
         phosphonic acids
         phosphorescence
         phosphoric acid
         phosphorous acid
         phosphors
         phosphorus
         phosphorus 21
         phosphorus 24
         phosphorus 25
         phosphorus 26
         phosphorus 27
         phosphorus 28
         phosphorus 29
         phosphorus 30


         phosphorus 31
         phosphorus 31 reactions
         phosphorus 32
         phosphorus 33
         phosphorus 34
         phosphorus 35
         phosphorus 36
         phosphorus 37
         phosphorus 38
         phosphorus 39
         phosphorus 40
         phosphorus 41
         phosphorus 42
         phosphorus 43
         phosphorus 44
         phosphorus 45
         phosphorus 46
         phosphorus additions
         phosphorus chlorides
         phosphorus complexes
         phosphorus compounds
         phosphorus ions
         phosphorus oxides
         phosphorylation
         phosphotungstic acid


         photoacoustic spectroscopy
         photoanodes
         photocatalysis
         photochemical reactions
         photochemistry
         photocopying
         photodetectors
         photodiodes
         photoelasticity
         photoelectric cells
         photoelectric effect
         photoelectron spectroscopy
         photographic films
         photographs
         photography
         photoionization
         photoluminescence
         photolysis
         photometers
         photometry
         photomicrography
         photomultipliers
         photon beams
         photon computed tomography
         photon emission


         photon temperature
         photon transmission scanning
         photon transport
         photons
         photoperiod
         photosensitivity
         photosynthesis
         photosynthetic bacteria
         photosynthetic membranes
         photovoltaic cells
         photovoltaic effect
         photovoltaic power plants
         phthalates
         phthalic acid
         phthalic acid esters
         phthalocyanines
         phycobilins
         phycocyanin
         phycomyces
         physarum
         physical chemistry
         physical effort
         physical metallurgy
         physical properties
         physical protection


         physical protection devices
         physical radiation effects
         physical vapor deposition
         physics
         physiology
         physostigmine
         phytic acid
         phytochrome
         phytochromes
         phytohemagglutinin
         phytoplankton
         pickling
         picric acid
         pies
         pigeons
         pigment cells
         pigments
         pigs
         piles
         pilocarpine
         pilot plants
         pinch effect
         pineal gland
         pineapples
         pines


         pinnipeds
         pipelines
         pipes
         pistons
         pisum
         pitch angle
         pitches
         pits
         pitting corrosion
         pittsburgh
         pituitary gland
         pituitary hormones
         pixe analysis
         placenta
         placers
         plages
         plagioclase
         planck law
         planetary atmospheres
         planetary evolution
         planetary magnetospheres
         planets
         plankton
         planning
         plant breeding


         plant cells
         plant cultivation
         plant diseases
         plant growth
         plant growth regulators
         plant sap
         plant stems
         plant tissues
         plants
         plants industrial
         plants pilot
         plants power
         plaque formation
         plasma
         plasma acceleration
         plasma arc welding
         plasma blood
         plasma cells
         plasma clearance
         plasma density
         plasma diagnostics
         plasma disruption
         plasma drift
         plasma expansion
         plasma filament


         plasma focus
         plasma frequency
         plasma heating
         plasma impurities
         plasma instability
         plasma lens
         plasma oscillations
         plasma potential
         plasma pressure
         plasma production
         plasma seeding
         plasma sheath
         plasma simulation
         plasma substitutes
         plasma temperature
         plasma waves
         plasmids
         plasmin
         plasminogen
         plasmocytes
         plasmodium
         plaster of paris
         plastic properties
         plastic scintillators
         plastic surgery


         plasticity
         plasticizers
         plastics
         plastics industry
         plateau regime
         plates
         plating
         platinum
         platinum 167
         platinum 172
         platinum 195
         platinum 200
         platinum alloys
         platinum complexes
         platinum compounds
         platinum ions
         platinum metal alloys
         platinum metals
         platinum oxides
         platyhelminths
         pleura
         plexiglas
         plugging
         plugs
         plumbing


         plumes
         plums
         pluronics
         plutonic rocks
         plutonium
         plutonium 239
         plutonium production reactors
         plutonium reactors
         plzt
         pmma
         pna
         pnc
         pneumatic transport
         pneumatics
         pneumococcus
         pneumoconioses
         pneumonia
         pneumonitis
         pnl
         po river
         poincare groups
         point charge
         point contacts
         point defects
         point kernels


         point mutations
         point pollutant sources
         point sources
         poisoning
         poisson equation
         poisson ratio
         poland
         polar compounds
         polar regions
         polar solvents
         polarimetry
         polarizability
         polarization
         polarized products
         polarography
         policy
         polio virus
         poliomyelitis
         polishing
         political aspects
         pollen
         pollutants
         pollution
         pollution control
         pollution laws


         pollution regulations
         pollution sources
         pollution thermal
         polonium
         polonium 210
         polyacrylonitrile
         polyamides
         polycarbonates
         polychlorinated biphenyls
         polycrystals
         polycyclic aromatic amines
         polycyclic aromatic hydrocarbons
         polycythemia
         polyenes
         polyesters
         polyethers
         polyethylene glycols
         polyethylene terephthalate
         polyethylenes
         polyisoprene
         polymer electrolyte fuel cells
         polymerase chain reaction
         polymerization
         polymers
         polynomials


         polyolefins
         polypeptides
         polyphenols
         polyploidy
         polypropylene
         polysaccharides
         polystyrene
         polytetrafluoroethylene
         polythene
         polyurethanes
         polyvinyl acetate
         polyvinyl alcohol
         polyvinyl chloride
         polyvinylidene fluoride
         polyvinylpyrrolidone
         ponds
         pool event
         pools
         poor people
         poplars
         population density
         population dynamics
         population inversion
         population relocation
         populations


         porcelain
         pore pressure
         pore structure
         pork
         porosity
         porosity reduction
         porous materials
         porphyra
         porphyrins
         porpoises
         portable equipment
         portable sources
         portal system
         portland cement
         ports
         portugal
         portuguese organizations
         position dependence
         position indicators
         position operators
         position optical
         position radio
         position sensitive detectors
         positioning
         positive column


         positive excess
         positive ions
         positron computed tomography
         positron decay
         positron detection
         positrons
         post-irradiation therapy
         postal services
         potable water
         potassium
         potassium 33
         potassium 34
         potassium 35
         potassium 36
         potassium 37
         potassium 38
         potassium 39
         potassium 40
         potassium 41
         potassium 42
         potassium 43
         potassium 44
         potassium 45
         potassium 46
         potassium 47


         potassium 48
         potassium 49
         potassium 50
         potassium 51
         potassium 52
         potassium 53
         potassium 54
         potassium 55
         potassium 56
         potassium additions
         potassium alloys
         potassium base alloys
         potassium chlorides
         potassium complexes
         potassium compounds
         potassium hydrides
         potassium hydroxides
         potassium ions
         potassium isotopes
         potassium oxides
         potassium phosphates
         potassium silicates
         potassium sulfates
         potato plant
         potato tubers


         potatoes
         potential barriers
         potential electric
         potential energy
         potential flow
         potential scattering
         potentials
         potentiometry
         potting
         poultry
         pour point
         powder metallurgy
         powders
         power
         power amplifiers
         power coefficient
         power conditioning systems
         power demand
         power density
         power distribution
         power distribution systems
         power factor
         power generation
         power input
         power losses


         power meters
         power plants
         power pools
         power potential
         power production
         power range
         power reactors
         power series
         power substations
         power supplies
         power systems
         power transmission
         power transmission lines
         pp chain
         pp-factor
         pr devices
         praseodymium
         praseodymium additions
         prawns
         preamplifiers
         precambrian era
         precession
         precipitation
         precipitation hardening
         precipitations atmospheric


         precipitins
         precision
         precursor
         prediction
         prediction equations
         prednisolone
         prednisone
         prefabricated buildings
         preferred orientation
         preferred species
         pregnancy
         pregnenolone
         preheating
         prenatal exposure
         preparation chemical
         preparation sample
         present worth method
         preservation
         preservatives
         presses
         pressing
         pressure 1-10 bar
         pressure coefficient
         pressure control
         pressure critical


         pressure dependence
         pressure drop
         pressure effects
         pressure gradients
         pressure groups
         pressure maintenance
         pressure measurement
         pressure plasma
         pressure radiation
         pressure range
         pressure range pa
         pressure regulators
         pressure release
         pressure suppression
         pressure tube reactors
         pressure tubes
         pressure vapor
         pressure vessels
         pressurization
         pressurized water reactors
         prevention of significant deterioration
         preventive medicine
         prices
         primary recovery
         primates


         prisms
         privacy act
         private law
         private vehicles
         probabilistic estimation
         probability
         probability density functions
         probes
         procaine
         proceedings
         process computers
         process control
         process development units
         process heat
         process heat reactors
         process solutions
         processes adiabatic
         processes isothermal
         processing
         processing data
         processing food
         processing images
         processing ores
         processing wastes
         proctitis


         procurement
         producer gas
         producer price index
         product labeling
         production
         production beam
         production capacity
         production hydrogen
         production isotope
         production logging
         production pair
         production particle
         production plasma
         production reactors
         production risers
         production tax
         productivity
         productivity factor
         professional personnel
         professions
         profits
         proflavine
         progeny
         progesterone
         progestin


         program management
         programming
         progress report
         project bedrock
         project greenhouse
         project independence
         project independence evaluation system
         project management
         projectiles
         projection series
         prolactin
         proliferation
         proliferation cell
         proline
         prolog
         promethazine
         promoters
         prongs
         propagation wave
         propagator
         propane
         propanol 1-
         propanone
         propellants
         proper motion


         properdin
         properties chemical
         properties mechanical
         properties physical
         property management
         property rights
         property values
         prophase
         prophylaxis
         propionic acid
         proposals
         proprietary information
         propulsion
         propulsion reactors
         propulsion systems
         propyl alcohols
         propylene
         prospecting
         prostaglandins
         prostate
         prostheses
         protection
         protection corrosion
         protection radiation
         protection safety


         protective chemicals
         protective clothing
         protective coatings
         protein denaturation
         protein engineering
         protein sequencing
         protein structure
         proteins
         proteolysis
         proteus
         prothrombin
         protium
         proton density
         proton detection
         proton dosimetry
         proton exchange membrane fuel cells
         proton magnetic resonance spectra
         proton reactions
         proton sources
         proton spectra
         proton temperature
         proton transport
         protons
         protoplasts
         protozoa


         provincial government
         proximity effect
         prussian blue
         psd
         pseudomonas
         psoralen
         psoriasis
         psychoactive agents
         psychology
         psychoses
         psychotropic drugs
         ptfe
         public anxiety
         public attitudes
         public buildings
         public corporations
         public enterprises
         public health
         public information
         public lands
         public law
         public officials
         public opinion
         public policy
         public relations


         public transport
         public transportation systems
         public utilities
         puerto rico
         pulmonary cancer
         pulmonary lavage
         pulps
         pulsations
         pulse circuits
         pulse columns
         pulse converters
         pulse generators
         pulse techniques
         pulsed irradiation
         pulses
         pulverization
         pumice
         pump turbines
         pumping
         pumping electrical
         pumps
         pupae
         purification
         purines
         purity


         purpura
         putrescine
         pva
         pvc
         pvd
         pvp
         pyrazines
         pyrazoles
         pyrene
         pyridine
         pyridoxine
         pyrimidines
         pyrite
         pyrocatechol
         pyrochlore
         pyroelectricity
         pyrogallol
         pyrogens
         pyrolysis
         pyrolysis products
         pyrolytic carbon
         pyrometers
         pyrones
         pyroxenes
         pyrrhotite


         pyrroles
         pyruvic acid
         pzt