Bases de datos bibliográficos Pascal y Francis

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Pascal Classification Scheme

001 Exact sciences and technology.
- 001A Sciences and techniques of general use.
- 001B Physics
  - 001B00 General.
  - 001B10 The physics of elementary particles and fields.
  - 001B20 Nuclear physics.
  - 001B30 Atomic and molecular physics.
  - 001B40 Fundamental areas of phenomenology (including applications).
    - 001B40A Electromagnetism; electron and ion optics.
    - 001B40B Optics.
    - 001B40C Acoustics.
    - 001B40D Heat transfer.
    - 001B40F Solid mechanics.
    - 001B40G Fluid dynamics.
      - 001B40G10 General theory.
      - 001B40G11 Computational methods in fluid dynamics.
      - 001B40G15 Laminar flows.
      - 001B40G20 Hydrodynamic stability.
      - 001B40G27 Turbulent flows, convection, and heat transfer.
        
        001B40G27A Fundamentals.
        
        001B40G27C Transition to turbulence.
        
        001B40G27E Turbulence simulation and modeling.
        
        001B40G27G Isotropic turbulence; homogeneous turbulence.
        
        001B40G27J High-Reynolds-number turbulence.
        
        001B40G27L Wall-bounded thin shear flows.
        
        001B40G27N Boundary layer and shear turbulence.
        
        001B40G27P Thick shear flows.
        
        001B40G27Q Turbulent diffusion.
        
        001B40G27R Turbulence control.
        
        001B40G27S Noise (turbulence generated).
        
        001B40G27T Convection and heat transfer.
        
        001B40G27V Wakes.
        
        001B40G27W Jets.
      - 001B40G32 Rotational flow and vorticity.
        
        001B40G32C Vortex dynamics.
        
        001B40G32F Separated flows.
      - 001B40G35 Hydrodynamic waves.
      - 001B40G40 Compressible flows; shock and detonation phenomena.
        
        001B40G40D General subsonic flows.
        
        001B40G40H Transonic flows.
        
        001B40G40K Supersonic and hypersonic flows.
        
        001B40G40N Shock-wave interactions and shock effects.
      - 001B40G45 Rarefied gas dynamics.
        
        001B40G45D Free molecular flows.
        
        001B40G45G Slip flows.
        
        001B40G45N Accommodation.
      - 001B40G50 Non-Newtonian fluid flows.
      - 001B40G52 Chaos.
      - 001B40G53 Fractals.
      - 001B40G54 Pattern selection; pattern formation.
      - 001B40G55 Nonhomogeneous flows.
      - 001B40G60 Flows in ducts, channels, nozzles, and conduits.
      - 001B40G62 Flow control.
      - 001B40G65 Magnetohydrodynamics and electrohydrodynamics.
      - 001B40G70 Reactive, radiative, or nonequilibrium flows.
        
        001B40G70F Chemically reactive flows.
        
        001B40G70M Radiation gas dynamics.
        
        001B40G70N Nonequilibrium gas dynamics.
      - 001B40G75 Relativistic fluid dynamics.
      - 001B40G80 Instrumentation for fluid dynamics.
      - 001B40G85 Applied fluid mechanics.
        
        001B40G85A Hydrodynamics, hydraulics, hydrostatics.
        
        001B40G85B Aerodynamics.
        
        001B40G85C Hydraulic and pneumatic machinery.
        
        001B40G85D Fluidics.
      - 001B40G90 Other topics in fluid dynamics.
  - 001B50 Physics of gases, plasmas and electric discharges.
  - 001B60 Condensed matter: structure, mechanical and thermal properties.
  - 001B70 Condensed matter: electronic structure, electrical, magnetic, and optical properties.
    - 001B70A Electron states.
      - 001B70A10 Theories and models of many electron systems.
      - 001B70A15 Methods of electronic structure calculations.
      - 001B70A18 Fermi surface: calculations and measurements; effective mass, g factor.
      - 001B70A20 Electron density of states and band structure of crystalline solids.
      - 001B70A22 Electronic structure of liquid metals and semiconductors and their alloys.
      - 001B70A23 Electronic structure of disordered solids.
        
        001B70A23A Theories and models; localized states.
        
        001B70A23C Amorphous semiconductors, metallic glasses, glasses.
        
        001B70A23F Quasicrystals.
      - 001B70A27 Strongly correlated systems; heavy fermions.
      - 001B70A28 Narrow-band systems; intermediate-valence solids.
      - 001B70A30 Metal-insulator transitions and other electronic transitions.
      - 001B70A35 Excitons and related phenomena.
      - 001B70A36 Polaritons (including photon-phonon and photon-magnon interactions).
      - 001B70A38 Polarons and electron-phonon interactions.
      - 001B70A45 Collective effects.
        
        001B70A45G Exchange, correlation, dielectric and magnetic functions, plasmons.
        
        001B70A45L Charge-density-wave systems.
      - 001B70A55 Impurity and defect levels.
        
        001B70A55A Metals, semimetals, and alloys.
        
        001B70A55C Elemental semiconductors.
        
        001B70A55E III-V semiconductors.
        
        001B70A55G II-VI semiconductors.
        
        001B70A55H Other nonmetals.
        
        001B70A55J Disordered structures; amorphous and glassy solids.
      - 001B70A60 Positron states.
      - 001B70A70 Level splitting and interactions.
      - 001B70A90 Other topics in electron states.
    - 001B70B Electronic transport in condensed matter.
      - 001B70B10 Theory of electronic transport; scattering mechanisms.
        
        001B70B10B General formulation of transport theory.
        
        001B70B10D Scattering by phonons, magnons, and other nonlocalized excitations.
        
        001B70B10F Scattering by point defects, dislocations, surfaces, and other imperfections (including Kondo effect).
      - 001B70B15 Electronic conduction in metals and alloys.
        
        001B70B15C Electrical and thermal conduction in amorphous and liquid metals and alloys.
        
        001B70B15E Electrical and thermal conduction in crystalline metals and alloys.
        
        001B70B15G Galvanomagnetic and other magnetotransport effects.
        
        001B70B15J Thermoelectric and thermomagnetic effects.
        
        001B70B15L Relaxation times and mean free paths.
        
        001B70B15N Collective modes (e.g., in one-dimensional conductors).
        
        001B70B15Q Scattering mechanisms and Kondo effect.
        
        001B70B15R Localization effects (Anderson or weak localization).
      - 001B70B20 Conductivity phenomena in semiconductors and insulators.
      - 001B70B25 Spin polarized transport.
      - 001B70B30 High-frequency effects; plasma effects.
      - 001B70B40 Photoconduction and photovoltaic effects; photodielectric effects.
      - 001B70B50 Acoustoelectric effects.
      - 001B70B55 Magnetoacoustic effects.
      - 001B70B60 Mixed conductivity and conductivity transitions.
      - 001B70B70 Noise processes and phenomena.
      - 001B70B80 Conductivity of specific materials.
        
        001B70B80C Elemental semiconductors.
        
        001B70B80E III-V and II-VI semiconductors.
        
        001B70B80G Transition-metal compounds.
        
        001B70B80J Other crystalline inorganic semiconductors.
        
        001B70B80L Polymers; organic compounds (including organic semiconductors).
        
        001B70B80N Disordered solids.
        
        001B70B80P Liquid semiconductors.
        
        001B70B80R Fullerenes and related materials.
        
        001B70B80S Insulators.
        
        001B70B80T Composite materials.
      - 001B70B90 Other topics in electronic transport in condensed matter.
    - 001B70C Electronic structure and electrical properties of surfaces, interfaces, thin films and low-dimensional structures.
      - 001B70C20 Surface and interface electron states.
        
        001B70C20A Surface states, band structure, electron density of states.
        
        001B70C20F Localization effects (Anderson or weak localization).
        
        001B70C20H Impurity and defect levels; energy states of adsorbed species.
        
        001B70C20J Delocalization processes.
        
        001B70C20M Collective excitations (including excitons, polarons, plasmons and other charge-density excitations).
        
        001B70C20Q Electron solids.
      - 001B70C21 Electron states and collective excitations in thin films, multilayers, quantum wells, mesoscopic and nanoscale systems.
      - 001B70C22 Electronic structure of nanoscale materials : clusters, nanoparticles, nanotubes, and nanocrystals.
      - 001B70C23 Electronic transport in mesoscopic systems.
      - 001B70C25 Surface conductivity and carrier phenomena.
      - 001B70C30 Surface double layers, Schottky barriers, and work functions.
      - 001B70C40 Electronic transport in interface structures.
        
        001B70C40C Contact resistance, contact potential.
        
        001B70C40E Rectification.
        
        001B70C40G Tunneling.
        
        001B70C40H Quantum Hall effect (including fractional). $Ver detalles 001B70C40H Quantum Hall effect (including fractional).$ $Buscar 001B70C40H Quantum Hall effect (including fractional).$
        
        001B70C40J Metal-to-metal contacts.
        
        001B70C40K III-V semiconductor-to-semiconductor contacts, p-n junctions, and heterojunctions.
        
        001B70C40L Other semiconductor-to-semiconductor contacts, p-n junctions, and heterojunctions.
        
        001B70C40M Semiconductor-electrolyte contacts.
        
        001B70C40N Metal-nonmetal contacts.
        
        001B70C40Q Metal-insulator-semiconductor structures (including semiconductor-to-insulator).
        
        001B70C40R Metal-insulator-metal structures.
        
        001B70C40S Metal-semiconductor-metal structures.
        
        001B70C40T Semiconductor-insulator-semiconductor structures.
        
        001B70C40V Semiconductor-metal-semiconductor structures.
      - 001B70C50 Electronic transport phenomena in thin films and low-dimensional structures.
        
        001B70C50B General theory, scattering mechanisms.
        
        001B70C50D Low-field transport and mobility; piezoresistance.
        
        001B70C50F High-field and nonlinear effects.
        
        001B70C50G Charge carriers: generation, recombination, lifetime, trapping, mean free paths.
        
        001B70C50J Galvanomagnetic and other magnetotransport effects (including thermomagnetic effects).
        
        001B70C50L Thermoelectric effects.
        
        001B70C50M High-frequency effects; plasma effects.
        
        001B70C50P Photoconduction and photovoltaic effects; photodielectric effects.
        
        001B70C50R Acoustoelectric and magnetoacoustic effects.
        
        001B70C50T Noise processes and phenomena.
      - 001B70C61 Electrical properties of specific thin films.
      - 001B70C63 Electronic transport in multilayers, nanoscale materials and structures.
        
        001B70C63B Nanocrystalline materials.
        
        001B70C63F Nanotubes.
        
        001B70C63H Quantum wells.
        
        001B70C63K Quantum dots.
        
        001B70C63N Quantum wires.
        
        001B70C63R Nanoscale contacts.
      - 001B70C90 Other topics in electronic structure and electrical properties of surfaces, interfaces, and thin films.
    - 001B70D Superconductivity.
      - 001B70D10 Occurrence, potential candidates.
      - 001B70D20 Theory and models of superconducting state.
      - 001B70D25 Properties of type I and type II superconductors.
        
        001B70D25B Thermodynamic properties.
        
        001B70D25D Phase diagrams.
        
        001B70D25F Transport properties (electric and thermal conductivity, thermoelectric effects, etc.).
        
        001B70D25G Optical properties.
        
        001B70D25H Magnetic properties.
        
        001B70D25J Electronic structure.
        
        001B70D25K Phonons.
        
        001B70D25L Mechanical and acoustical properties, elasticity, and ultrasonic attenuation.
        
        001B70D25N Response to electromagnetic fields (nuclear magnetic resonance, surface impedance, etc.).
        
        001B70D25O Mixed state, critical fields, and surface sheath.
        
        001B70D25Q Vortex lattices ,flux pinning, flux creep.
        
        001B70D25S Critical currents.
      - 001B70D40 Fluctuations (noise, chaos, nonequilibrium superconductivity, localization, etc.).
      - 001B70D50 Proximity effects, weak links, tunneling phenomena, and Josephson effects, Adreev effect, SN and SNS junctions.
      - 001B70D62 Transition temperature variations.
      - 001B70D70 Superconducting materials (excluding high-T_c compounds).
        
        001B70D70A Metals, alloys and compounds (A15, 001C15, Laves phases, Chevrel phases, borocarbides, etc.).
        
        001B70D70K Organic superconductors.
        
        001B70D70T Heavy-fermion superconductors.
        
        001B70D70W Fullerenes and related materials.
      - 001B70D72 Cuprates superconductors (high Tc and insulating parent compounds).
      - 001B70D78 Superconducting films and low-dimensional structures.
      - 001B70D81 Inhomogeneous superconductors and superconducting systems.
      - 001B70D90 Other topics in superconductivity.
    - 001B70E Magnetic properties and materials.
    - 001B70F Magnetic resonances and relaxations in condensed matter, Mössbauer effect.
    - 001B70G Dielectrics, piezoelectrics, and ferroelectrics and their properties.
      - 001B70G22 Dielectric properties of solids and liquids.
        
        001B70G22C Permittivity (dielectric function).
        
        001B70G22E Polarization and depolarization.
        
        001B70G22G Dielectric loss and relaxation.
        
        001B70G22J Dielectric breakdown and space-charge effects.
      - 001B70G55 Dielectric thin films.
      - 001B70G65 Piezoelectricity and electromechanical effects.
        
        001B70G65B Piezoelectric and electrostrictive constants.
        
        001B70G65D Acoustoelectric effects and surface acoustic waves (SAW) in piezoelectrics.
        
        001B70G65F Electromechanical resonance; quartz resonators.
        
        001B70G65L Strain-induced piezoelectric fields.
      - 001B70G70 Pyroelectric and electrocaloric effects.
      - 001B70G80 Ferroelectricity and antiferroelectricity.
        
        001B70G80B Phase transitions and Curie point.
        
        001B70G80D Domain structure; hysteresis.
        
        001B70G80F Switching phenomena.
      - 001B70G84 Dielectric, piezoelectric, ferroelectric and antiferroelectric materials.
        
        001B70G84B Elements, oxides, nitrides, borides, carbides, chalcogenides, etc..
        
        001B70G84D Niobates, titanates, tantalates, PZT ceramics, etc..
        
        001B70G84F KDP- and TGS-type crystals.
        
        001B70G84J Polymers; organic compounds.
        
        001B70G84L Composite materials.
        
        001B70G84N Liquids and liquid crystals.
      - 001B70G90 Other topics in dielectrics, piezoelectrics, and ferroelectrics and their properties.
    - 001B70H Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation.
    - 001B70I Electron and ion emission by liquids and solids; impact phenomena.
  - 001B80 Cross-disciplinary physics: materials science; rheology.
- 001C Chemistry.
- 001D Applied sciences.
  - 001D00 General aspects.
  - 001D01 Operational research. management science.
  - 001D02 Computer science; control theory; systems.
  - 001D03 Electronics.
    - 001D03A General (including economical and industrial fields).
    - 001D03B Testing, measurement, noise and reliability.
    - 001D03C Materials.
    - 001D03D Electronic equipment and fabrication. Passive components, printed wiring boards, connectics.
    - 001D03E Electronic tubes, masers.
    - 001D03F Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices.
      - 001D03F01 Interfaces.
      - 001D03F02 Compound structure devices.
      - 001D03F03 Diodes.
      - 001D03F04 Transistors.
      - 001D03F05 Other multijunction devices. Power transistors. Thyristors.
      - 001D03F06 Integrated circuits.
        
        001D03F06A Design. Technologies. Operation analysis. Testing.
        
        001D03F06B Integrated circuits by function (including memories and processors).
      - 001D03F07 Charge transfer devices.
      - 001D03F08 Microwave and submillimeter wave devices, electron transfer devices.
      - 001D03F09 Dielectric, amorphous and glass solid devices.
      - 001D03F10 Magnetic devices.
      - 001D03F11 Superconducting devices.
      - 001D03F12 Magnetoelectric, magnetostrictive, magnetoacoustic, magnetooptic and magnetothermal devices. Spintronics.
      - 001D03F13 Thermoelectric, pyroelectric devices, etc.
      - 001D03F14 Acoustic wave devices, piezoelectric and piezoresistive devices.
      - 001D03F15 Optoelectronic devices.
      - 001D03F16 Imaging devices.
      - 001D03F17 Microelectronic fabrication (materials and surfaces technology).
      - 001D03F18 Molecular electronics, nanoelectronics.
      - 001D03F19 Vacuum microelectronics.
      - 001D03F21 Micro- and nanoelectromechanical devices (MEMS/NEMS).
      - 001D03F22 Miscellaneous.
    - 001D03G Electric, optical and optoelectronic circuits.
    - 001D03H Display.
    - 001D03I Storage and reproduction of information.
    - 001D03J Hardware.
    - 001D03K Miscellaneous.
  - 001D04 Telecommunications and information theory.
    - 001D04A Information, signal and communications theory.
      - 001D04A01 General.
      - 001D04A02 Mathematical methods.
      - 001D04A03 Information theory.
      - 001D04A04 Signal and communications theory.
        
        001D04A04A Signal, noise.
        
        001D04A04B Coding, codes.
        
        001D04A04C Sampling, quantization.
        
        001D04A04D Analog-digital conversion, digital-analog conversion, PCM coding.
        
        001D04A04E Cryptography.
        
        001D04A04F Modulation, demodulation.
        
        001D04A04G Multiplexing.
        
        001D04A04H Miscellaneous.
      - 001D04A05 Signal processing.
        
        001D04A05A Pattern recognition.
        
        001D04A05B Speech processing.
        
        001D04A05C Image processing.
        
        001D04A05D Miscellaneous.
      - 001D04A06 Electromagnetic compatibility.
    - 001D04B Telecommunications.
  - 001D05 Electrical engineering. electrical power engineering.
  - 001D06 Energy.
    - 001D06A General, economic and professional studies.
    - 001D06B Fuels.
      - 001D06B01 Coal and derived products.
      - 001D06B02 Crude oil, natural gas and petroleum products.
        
        001D06B02A General.
        
        001D06B02B Prospecting and production of crude oil, natural gas, oil shales and tar sands.
        
        001D06B02C Constitution and properties of crude oils, shale oils, natural gas and bitumens. Analysis and characteristics.
        
        001D06B02D Processing of crude oil and oils from shales and tar sands. Processes. Equipment. Refinery and treatment units.
        
        001D06B02E Petroleum products, gas and fuels. Motor fuels, lubricants and asphalts.
        
        001D06B02F Storage of liquid petroleum products and other liquids. Tanks. Metering. Underground storage. Problems of losses in storage.
        
        001D06B02G Transportation and distribution of crude oils and liquid petroleum products. Ships. Pipelines. Terminals. Service stations.
        
        001D06B02H Pollution caused by production, transportation and treatment of oil and oil shales. Water and soil pollution. Treatments. Pollution control.
      - 001D06B03 Gas industry.
        
        001D06B03A General.
        
        001D06B03B Gas conditioning and treatments. Desulphurization. Liquefaction.
        
        001D06B03C Gas characteristics and properties. Sampling. Analysis.
        
        001D06B03D Metering.
        
        001D06B03E Storage. Tanks. Storage facilities. Underground storage.
        
        001D06B03F Gas transmission and distribution. Ships. Pipelines. Distribution networks. Compressors stations.
      - 001D06B04 Nuclear fuels.
        
        001D06B04A General.
        
        001D06B04B Radioactive ore.
        
        001D06B04C Preparation and processing of nuclear fuels.
      - 001D06B05 Wood. Peat. Brown coal.
      - 001D06B06 Alternative fuels. Production and utilization.
      - 001D06B07 Fuel processing. Carbochemistry and petrochemistry.
        
        001D06B07A General.
        
        001D06B07B Equipment. Control. Automation. Maintenance. Corrosion.
        
        001D06B07C Solid fuel processing (coal, coke, brown coal, peat, wood, etc.).
        
        001D06B07D Liquid petroleum product processing.
        
        001D06B07E Gas processing.
        
        001D06B07F Coal and petroleum industry by products processing.
    - 001D06C Natural energy.
    - 001D06D Energy. Thermal use of fuels.
  - 001D07 Chemical engineering.
  - 001D08 Chemical industry and chemicals.
  - 001D09 Physicochemistry of polymers.
  - 001D10 Polymer industry, paints, wood.
  - 001D11 Metals. metallurgy.
    - 001D11A General.
    - 001D11B Production of metals.
    - 001D11C Production techniques.
      - 001D11C01 Foundry engineering.
        
        001D11C01A Design and pattern making.
        
        001D11C01B Molding materials. Mold making. Core making.
        
        001D11C01C Gating and risering. Casting practice.
        
        001D11C01D Melting. Treatment before casting.
        
        001D11C01E Pressure before casting.
        
        001D11C01F Other casting methods. Solidification.
        
        001D11C01G Repairing of castings.
        
        001D11C01H Cleaning of castings.
        
        001D11C01I Casting defects.
        
        001D11C01J Casting machines and installations.
      - 001D11C02 Heat treatment.
      - 001D11C03 Powder metallurgy. Composite materials.
      - 001D11C04 Forming.
      - 001D11C05 Cutting.
        
        001D11C05A Blanking. Shearing.
        
        001D11C05B Machining. Machinability.
        
        001D11C05C Grinding.
        
        001D11C05D Other machining methods.
      - 001D11C06 Surface treatment.
    - 001D11D Joining, thermal cutting: metallurgical aspects.
    - 001D11E Corrosion.
    - 001D11F Chemical and electrochemical properties.
    - 001D11G Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology.
    - 001D11H Analysing. Testing. Standards.
    - 001D11I Engineering techniques in metallurgy. Applications. Other aspects.
  - 001D12 Mechanical engineering. machine design.
  - 001D13 Material handling, hoisting. storage. packaging.
  - 001D14 Buildings. public works.
  - 001D15 Ground, air and sea transportation, marine construction.
  - 001D16 Pollution.
  - 001D17 Other techniques and industries.
- 001E Earth, ocean, space.
  - 001E01 Earth sciences.
  - 001E02 External geophysics.
  - 001E03 Astronomy.
    - 001E03A Fundamental astronomy and astrophysics. Instrumentation, techniques, and astronomical observations.
      - 001E03A10 Fundamental astronomy.
      - 001E03A30 Fundamental aspects of astrophysics.
        
        001E03A30C Elementary particle and nuclear processes.
        
        001E03A30D Atomic processes and interactions.
        
        001E03A30F Molecular and chemical processes and interactions.
        
        001E03A30G Radiation mechanisms, polarization.
        
        001E03A30J Radiative transfer ; scattering.
        
        001E03A30K Atomic and molecular data, spectra, and spectral parameters (opacities, rotation constants, line identification, oscillator strengths, gf values, transition probabilities, etc.).
        
        001E03A30L Hydrodynamics.
        
        001E03A30Q Magnetohydrodynamics and plasmas.
        
        001E03A30S Relativity and gravitation.
        
        001E03A30T Thermodynamic processes, conduction, convection, equations of state.
        
        001E03A30W Dust processes (condensation, evaporation, sputtering, mantle growth, etc.).
      - 001E03A35 Dark matter (stellar, interstellar, galactic, and cosmological).
      - 001E03A40 Artificial Earth satellites.
      - 001E03A45 Observatories and site testing.
      - 001E03A55 Astronomical and space-research instrumentation.
      - 001E03A75 Observation and data reduction techniques. Computer modeling and simulation.
        
        001E03A75D Photography and photometry (including microlensing techniques).
        
        001E03A75F Spectroscopy and spectrophotometry.
        
        001E03A75H Polarimetry.
        
        001E03A75K Interferometry.
        
        001E03A75M Image processing (including source extraction).
        
        001E03A75P Mathematical procedures and computer techniques.
        
        001E03A75Q Adaptive and segmented optics.
        
        001E03A75R Remote observing techniques.
        
        001E03A75T Digitization techniques.
        
        001E03A75W Time series analysis, time variability.
      - 001E03A80 Catalogues, atlases, databases, retrieval systems, etc.
      - 001E03A85 Astronomical observations.
        
        001E03A85B Radio, microwave (> 1 mm).
        
        001E03A85F Submillimeter (300 ?m - 1 mm)
        
        001E03A85G Far infrared (10-300 ?m).
        
        001E03A85H Infrared (3-10 ?m).
        
        001E03A85J Near infrared (0.75-3 ?m).
        
        001E03A85K Visible (390-750 nm).
        
        001E03A85L Near ultraviolet (300-390 nm).
        
        001E03A85M Ultraviolet (10-300 nm).
        
        001E03A85N X-ray.
        
        001E03A85P ?-ray.
        
        001E03A85R Neutrino, muon, pion, and other elementary particles. Cosmic rays.
        
        001E03A85S Gravitational radiation, magnetic fields, and other observations.
      - 001E03A90 Historical astronomy and archaeoastronomy; and other topics in fundamental astronomy and astrophysics; instrumentation, techniques, and astronomical observations.
    - 001E03B Solar System.
      - 001E03B10 General, solar nebula, and cosmogony.
      - 001E03B20 Moon.
        
        001E03B20B Origin, formation, and age.
        
        001E03B20D Features, landmarks, mineralogy, petrology, and atmosphere.
        
        001E03B20J Gravitational field, selenodesy, magnetic fields.
        
        001E03B20K Cratering.
      - 001E03B30 Planets, their satellites and rings. Asteroids.
        
        001E03B30D Mercury.
        
        001E03B30E Venus.
        
        001E03B30G Mars.
        
        001E03B30K Jupiter.
        
        001E03B30M Saturn.
        
        001E03B30P Uranus.
        
        001E03B30R Neptune.
        
        001E03B30S Pluto.
        
        001E03B30W Planetary rings.
        
        001E03B30Y Asteroids (minor planets).
      - 001E03B35 Planetary, asteroid, and satellite characteristics and properties.
        
        001E03B35C Origin, formation, evolution, and ages.
        
        001E03B35E Chemical composition.
        
        001E03B35F Mass, size; gravitational fields; rotation; orbits.
        
        001E03B35G Surface features, cratering, and topography.
        
        001E03B35H Neutral atmospheres.
        
        001E03B35K Ionospheres; magnetospheres.
        
        001E03B35M Interiors.
        
        001E03B35N Volcanism and tectonics.
        
        001E03B35P Electric and magnetic fields.
        
        001E03B35S Interplanetary comparisons.
      - 001E03B40 Cosmic rays.
      - 001E03B50 Interplanetary space.
        
        001E03B50B Solar electric and magnetic fields (including solar wind fields).
        
        001E03B50C Solar wind plasma.
        
        001E03B50D Interplanetary gas and dust (including gegenschein and zodiacal light).
        
        001E03B50E Solar wind interactions with planets, satellites, and comets.
        
        001E03B50F Shock waves.
        
        001E03B50G Comets.
        
        001E03B50H Oort cloud.
        
        001E03B50J Kuiper belt.
        
        001E03B50K Meteors, meteoroids and meteor streams.
        
        001E03B50M Meteorites, micrometeorites, and tektites.
        
        001E03B50P Particle acceleration.
        
        001E03B50Q Stream-stream interactions.
        
        001E03B50R Waves and discontinuities.
      - 001E03B60 Solar physics.
        
        001E03B60B Diameter, figure, rotation, mass.
        
        001E03B60F Chemical composition.
        
        001E03B60H Electric and magnetic fields.
        
        001E03B60J Solar interior.
        
        001E03B60L Oscillations and waves. Helioseismology.
        
        001E03B60M Photosphere, granulation.
        
        001E03B60N Chromosphere and chromosphere-corona transition. Spicules.
        
        001E03B60P Corona. Coronal loops, streamers, and holes.
        
        001E03B60Q Sunspots, faculae, plages.
        
        001E03B60R Flares, bursts, and related phenomena.
        
        001E03B60S Prominences.
        
        001E03B60T Solar electromagnetic radiation.
        
        001E03B60V Particle radiation, solar wind.
        
        001E03B60W Coronal mass ejection.
      - 001E03B90 Other topics on the Solar System.
    - 001E03C Stars.
    - 001E03D Stellar systems. Galactic and extragalactic objects and systems. The Universe.
      - 001E03D10 Stellar dynamics and kinematics.
      - 001E03D20 Stellar clusters and associations.
        
        001E03D20A Associations of stars (OB, T, R) in the Milky Way.
        
        001E03D20B Associations of stars (OB, T, R) in external galaxies.
        
        001E03D20D Open clusters in the Milky Way.
        
        001E03D20F Open clusters in external galaxies.
        
        001E03D20G Globular clusters in the Milky Way.
        
        001E03D20J Globular clusters in external galaxies.
      - 001E03D35 Characteristics and properties of the Milky Way.
        
        001E03D35A Origin, formation, evolution, age, and star formation.
        
        001E03D35B Chemical composition and chemical evolution.
        
        001E03D35C Mass and mass distribution.
        
        001E03D35D Kinematics, dynamics, and rotation.
        
        001E03D35E Electric and magnetic fields.
        
        001E03D35G Galactic halo.
        
        001E03D35H Spiral arms and galactic disk.
        
        001E03D35J Galactic center, bar, circumnuclear matter, and bulge (including black hole and distance measurements).
        
        001E03D35L Stellar content and populations. Morphology and overall structure.
        
        001E03D35M Infall and accretion.
        
        001E03D35N Galactic winds and fountains.
        
        001E03D35P Solar neighborhood.
      - 001E03D38 Interstellar medium (ISM) and nebulae in Milky Way.
        
        001E03D38A Physical properties (abundances, electron density, magnetic fields, scintillation, scattering, kinematics, dynamics, turbulence, etc.).
        
        001E03D38B Atomic, molecular, chemical, and grain processes.
        
        001E03D38C Interstellar dust grains ; diffuse emission ; infrared cirrus..
        
        001E03D38D Molecular clouds, H₂ clouds, dense clouds, and dark clouds.
        
        001E03D38E Interstellar masers.
        
        001E03D38F Jets, outflows, and bipolar flows.
        
        001E03D38G H I regions and 21-cm lines ; diffuse, translucent, and high-velocity clouds.
        
        001E03D38H H II regions. Emission and reflection nebulae.
        
        001E03D38J Infrared emission.
        
        001E03D38K Intercloud medium (ICM) ; hot and highly ionized gas ; bubbles.
        
        001E03D38L Planetary nebulae.
        
        001E03D38M Supernova remnants.
      - 001E03D52 Normal galaxies. Extragalactic objects and systems (by type).
      - 001E03D54 Quasars. Active or peculiar galaxies, objects, and systems.
        
        001E03D54A Quasars.
        
        001E03D54C Active and peculiar galaxies (including BL Lacertae objects, blazars, Seyfert galaxies, Markarian galaxies, active galactic nuclei).
        
        001E03D54E Starburst galaxies and infrared excess galaxies.
        
        001E03D54G Radio galaxies.
        
        001E03D54K Protogalaxies ; primordial galaxies.
      - 001E03D56 Local Group. Magellanic clouds.
      - 001E03D58 Interstellar medium (ISM) and nebulae in external galaxies.
        
        001E03D58A Physical properties (abundances, electron density, magnetic fields, scintillation, scattering, kinematics, dynamics, turbulence, etc.).
        
        001E03D58B Atomic, molecular, chemical, and grain processes.
        
        001E03D58C Interstellar dust grains ; diffuse emission ; infrared cirrus.
        
        001E03D58D Molecular clouds, H₂ clouds, dense clouds, and dark clouds.
        
        001E03D58E Interstellar masers.
        
        001E03D58F Jets, outflows, and bipolar flows.
        
        001E03D58G H I regions and 21-cm lines ; diffuse, translucent, and high-velocity clouds.
        
        001E03D58H H II regions. Emission and reflection nebulae.
        
        001E03D58J Infrared emission.
        
        001E03D58K Intercloud medium (ICM) ; hot and highly ionized gas ; bubbles.
        
        001E03D58L Planetary nebulae.
        
        001E03D58M Supernova remnants.
        
        001E03D58N Tidal tails ; H I shells.
      - 001E03D62 Characteristics and properties of external galaxies and extragalactic objects.
        
        001E03D62A Origin, formation, evolution, age, and star formation.
        
        001E03D62B Chemical composition and chemical evolution.
        
        001E03D62C Masses and mass distribution.
        
        001E03D62D Kinematics, dynamics, and rotation.
        
        001E03D62E Electric and magnetic fields.
        
        001E03D62G Galactic halos.
        
        001E03D62H Spiral arms and bars. Galactic disks.
        
        001E03D62J Galactic nuclei (including black holes), circumnuclear matter, and bulges.
        
        001E03D62L Stellar content and populations. Radii. Morphology and overall structure.
        
        001E03D62M Infall, accretion, and accretion disks.
        
        001E03D62N Jets and bursts. Galactic winds and fountains.
        
        001E03D62P Distances, redshifts, radial velocities. Spatial distribution of galaxies.
        
        001E03D62Q Magnitudes and colors. Luminosities.
        
        001E03D62R Intergalactic matter ; quasar absorption and emission-line systems ; Lyman forest.
        
        001E03D62S Gravitational lenses and luminous arcs.
        
        001E03D62T Astrometry. Identification.
        
        001E03D62V Statistical and correlative studies of properties (luminosity and mass functions ; mass-to-light ratio ; Tully-Fisher relation, etc.).
      - 001E03D65 Galaxy groups, clusters, and superclusters. Large-scale structure of the Universe.
        
        001E03D65A Interacting galaxies; galaxy pairs and triples.
        
        001E03D65B Small and compact galaxy groups.
        
        001E03D65C Galaxy clusters.
        
        001E03D65D Superclusters. Large-scale structure of the Universe (including voids, pancakes, great wall, etc.).
        
        001E03D65F Galaxy mergers, collisions, and tidal interactions.
        
        001E03D65H Intracluster matter ; cooling flows.
      - 001E03D70 Unidentified sources and radiation outside the Solar System.
      - 001E03D80 Cosmology.
      - 001E03D90 Other topics on stellar systems; galactic and extragalactic objects and systems; the Universe.
    - 001E03E Extraterrestrial life and intelligence.
002 Biological and medical sciences.

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Pascal Classification Scheme

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