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Pascal Classification Scheme

001 Exact sciences and technology.
- 001A Sciences and techniques of general use.
  - 001A01 Information science. documentation.
    - 001A01A Library and information science. General aspects.
    - 001A01B Information service management.
    - 001A01C Documentation institutions.
    - 001A01D Specialized information sources (paper or electronic format).
    - 001A01E Information processing and retrieval.
    - 001A01F Information retrieval systems. Information and document management system.
    - 001A01G Information and communication technologies.
      - 001A01G01 Communication technologies. Networks.
      - 001A01G02 Information technologies: storage media, equipment.
        
        001A01G02A Technical characteristics.
        
        001A01G02B Applications (e.g. digitizing,...)
        
        001A01G02B1 Electronic government.
        
        001A01G02B2 Internet resources (portals, blogs, wikis,...).
        
        001A01G02B3 Contents management (GED, EMS: Enterprise Management System, web sites conception, workflow...).
        
        001A01G02B4 Electronic trade.
      - 001A01G04 Computer security.
      - 001A01G05 Miscellaneous.
    - 001A01H Information publishing, dissemination and reproduction.
    - 001A01I Communication.
  - 001A02 Mathematics.
- 001B Physics
  - 001B00 General.
    - 001B00A Communication, education, history, and philosophy.
    - 001B00B Mathematical methods in physics.
    - 001B00C Classical and quantum physics: mechanics and fields.
    - 001B00D General relativity and gravitation.
    - 001B00E Statistical physics, thermodynamics, and nonlinear dynamical systems.
    - 001B00F Metrology, measurements and laboratory procedures.
      - 001B00F20 Metrology.
        
        001B00F20D Measurement and error theory.
        
        001B00F20F Units and standards.
        
        001B00F20J Determination of fundamental constants.
      - 001B00F30 Measurements common to several branches of physics and astronomy.
      - 001B00F60 Laboratory procedures.
      - 001B00F90 Other topics in metrology, measurements and laboratory procedures.
    - 001B00G Instruments, apparatus, components and techniques common to several branches of physics and astronomy.
  - 001B10 The physics of elementary particles and fields.
    - 001B10A General theory of fields and particles.
    - 001B10B Specific theories and interaction models; particle systematics.
      - 001B10B10 Unified field theories and models.
        
        001B10B10D Unified theories and models of strong and electroweak interactions.
        
        001B10B10K Unification of couplings; mass relations.
      - 001B10B15 Electroweak interactions.
      - 001B10B20 Quantum electrodynamics.
      - 001B10B38 Quantum chromodynamics.
        
        001B10B38A General properties of QCD (dynamics, confinement, etc.).
        
        001B10B38B Perturbative calculations.
        
        001B10B38C Summation of perturbation theory.
        
        001B10B38G Lattice QCD calculations.
        
        001B10B38L Other nonperturbative calculations.
        
        001B10B38M Quark-gluon plasma.
        
        001B10B38Q Experimental tests.
      - 001B10B39 Phenomenological quark models.
      - 001B10B40 Other models for strong interactions.
      - 001B10B60 Models beyond the standard model.
      - 001B10B90 Miscellaneous theoretical ideas and models.
    - 001B10C Specific reactions and phenomenology.
    - 001B10D Properties of specific particles.
  - 001B20 Nuclear physics.
    - 001B20A Nuclear structure.
    - 001B20C Radioactive decay and in-beam spectroscopy.
    - 001B20D Nuclear reactions: general.
      - 001B20D10 Nuclear-reaction models and methods.
        
        001B20D10C Many-body theory.
        
        001B20D10E Coupled-channel and distorted-wave models.
        
        001B20D10H Optical and diffraction models. $Ver detalles 001B20D10H Optical and diffraction models.$ $Buscar 001B20D10H Optical and diffraction models.$
        
        001B20D10J Relativistic models.
        
        001B20D10L Monte Carlo simulations.
        
        001B20D10N Hydrodynamic models.
        
        001B20D10P Thermal and statistical models.
      - 001B20D30 Resonance reactions.
      - 001B20D50 Direct reactions.
      - 001B20D60 Statistical theory and fluctuations.
      - 001B20D70 Polarization phenomena in reactions.
      - 001B20D75 General properties of fission.
      - 001B20D80 Nuclear tests of fundamental interactions and symmetries.
      - 001B20D85 Quarks, gluons, and QCD in nuclei and nuclear processes.
      - 001B20D90 Other topics in nuclear reactions: general.
    - 001B20E Nuclear reactions: specific reactions.
      - 001B20E10 Nuclear reactions involving few-nucleon systems.
      - 001B20E20 Photonuclear reactions.
      - 001B20E30 Lepton-induced reactions.
      - 001B20E40 Nucleon-induced reactions.
      - 001B20E43 Antiproton-induced reactions.
      - 001B20E45 ²H-induced reactions.
        
        001B20E45D Elastic and inelastic scattering.
        
        001B20E45H Transfer reactions.
        
        001B20E45K Charge-exchange reactions.
      - 001B20E55 ³H, ³He, and ⁴He-induced reactions.
      - 001B20E60 Reactions induced by unstable nuclei.
      - 001B20E70 Low and intermediate energy heavy-ion reactions.
      - 001B20E75 Relativistic heavy-ion reactions (collisions induced by light ions studied to calibrate relativistic heavy ion collisions, should be classified under both 001B20E75 and the 001B10C ou 001B20E category appropriate to the light ions).
      - 001B20E80 Meson- and hyperon-induced reactions.
      - 001B20E85 Fission reactions.
        
        001B20E85C Spontaneous fission.
        
        001B20E85E Neutron-induced fission.
        
        001B20E85G Charged-particle-induced fission.
        
        001B20E85J Photofission.
      - 001B20E90 Other topics in nuclear reactions: specific reactions.
    - 001B20F Nuclear astrophysics.
    - 001B20G Properties of specific nuclei listed by mass ranges.
    - 001B20H Nuclear engineering and nuclear power studies.
    - 001B20I Experimental methods and instrumentation for elementary-particle and nuclear physics.
  - 001B30 Atomic and molecular physics.
    - 001B30A Electronic structure of atoms, molecules and their ions: theory.
    - 001B30B Atomic properties and interactions with photons.
    - 001B30C Molecular properties and interactions with photons.
    - 001B30D Atomic and molecular collision processes and interactions.
    - 001B30F Studies of special atoms, molecules and their ions; clusters.
      - 001B30F10 Exotic atoms and molecules (containing mesons, muons, and other unusual particles).
      - 001B30F20 Macromolecules and polymer molecules.
        
        001B30F20C Molecular weights, dispersity.
        
        001B30F20E Conformation (statistics and dynamics).
        
        001B30F20F Constitution (chains and sequences).
        
        001B30F20H Configuration (bonds, dimensions).
        
        001B30F20K Electronic structure and spectra.
        
        001B30F20N Vibrational and rotational structure, infrared and Raman spectra.
      - 001B30F40 Atomic and molecular clusters.
      - 001B30F90 Other special atoms, molecules, ions and clusters.
    - 001B30G Mechanical control of atoms, molecules and ions.
  - 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.
      - 001B40G35 Hydrodynamic waves.
      - 001B40G40 Compressible flows; shock and detonation phenomena.
      - 001B40G45 Rarefied gas dynamics.
      - 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.
      - 001B40G75 Relativistic fluid dynamics.
      - 001B40G80 Instrumentation for fluid dynamics.
      - 001B40G85 Applied fluid mechanics.
      - 001B40G90 Other topics in fluid dynamics.
  - 001B50 Physics of gases, plasmas and electric discharges.
    - 001B50A Physics of gases.
    - 001B50B Physics of plasmas and electric discharges.
      - 001B50B20 Elementary processes in plasma.
      - 001B50B25 Plasma properties.
      - 001B50B27 Basic studies of specific kinds of plasmas.
      - 001B50B30 Plasma dynamics and flow.
      - 001B50B35 Waves, oscillations, and instabilities in plasmas and intense beams.
      - 001B50B38 Laser-plasma interactions.
      - 001B50B40 Plasma interactions (nonlaser).
      - 001B50B50 Plasma production and heating.
      - 001B50B55 Magnetic confinement and equilibrium.
      - 001B50B57 Laser inertial confinement.
      - 001B50B58 Other confinement methods.
      - 001B50B59 Intense particle beams and radiation sources.
      - 001B50B65 Plasma simulation.
      - 001B50B70 Plasma diagnostic techniques and instrumentation.
        
        001B50B70D Electric and magnetic measurements.
        
        001B50B70G Radio-frequency and microwave measurements.
        
        001B50B70K Optical (ultraviolet, visible, infrared) measurements.
        
        001B50B70L X-ray and ?-ray measurements.
        
        001B50B70N Particle measurements.
      - 001B50B72 Laboratoty studies of space- and astrophysical plasmas.
      - 001B50B75 Plasma devices.
      - 001B50B77 Plasma applications.
      - 001B50B80 Electric discharges.
      - 001B50B90 Other topics in plasma physics and electric discharges.
  - 001B60 Condensed matter: structure, mechanical and thermal properties.
    - 001B60A Structure of solids and liquids; crystallography.
      - 001B60A10 X-ray diffraction and scattering. $Ver detalles 001B60A10 X-ray diffraction and scattering.$ $Buscar 001B60A10 X-ray diffraction and scattering.$
      - 001B60A12 Neutron diffraction and scattering. $Ver detalles 001B60A12 Neutron diffraction and scattering.$ $Buscar 001B60A12 Neutron diffraction and scattering.$
      - 001B60A14 Electron diffraction and scattering. $Ver detalles 001B60A14 Electron diffraction and scattering.$ $Buscar 001B60A14 Electron diffraction and scattering.$
      - 001B60A16 Electron, ion, and scanning probe microscopy.
      - 001B60A18 Other methods of structure determination.
      - 001B60A20 Structure of liquids.
      - 001B60A25 Studies of specific liquid structures.
      - 001B60A30 Liquid crystals.
      - 001B60A41 Polymers, elastomers, and plastics.
      - 001B60A43 Disordered solids.
      - 001B60A44 Semi-periodic solids.
      - 001B60A46 Nanoscale materials: clusters, nanoparticles, nanotubes, and nanocrystals.
      - 001B60A48 Fullerenes and fullerene-related materials.
      - 001B60A50 Crystalline state (including molecular motions in solids).
      - 001B60A66 Structure of specific crystalline solids.
      - 001B60A68 Crystallographic databases.
      - 001B60A72 Defects and impurities in crystals; microstructure.
        
        001B60A72B Theories and models of crystal defects.
        
        001B60A72C Kinetics of defect formation and annealing.
        
        001B60A72D Experimental determination of defects by diffraction and scattering. $Ver detalles 001B60A72D Experimental determination of defects by diffraction and scattering.$ $Buscar 001B60A72D Experimental determination of defects by diffraction and scattering.$
        
        001B60A72F Direct observation of dislocations and other defects (etch pits, decoration, electron microscopy, x-ray topography, etc.).
        
        001B60A72H Indirect evidence of dislocations and other defects (resistivity, slip, creep, strains, internal friction, EPR, NMR, etc.).
        
        001B60A72J Point defects (vacancies, interstitials, color centers, etc.) and defect clusters.
        
        001B60A72L Linear defects: dislocations, disclinations.
        
        001B60A72M Grain and twin boundaries.
        
        001B60A72N Stacking faults and other planar or extended defects.
        
        001B60A72Q Microscopic defects (voids, inclusions, etc.).
        
        001B60A72S Impurities: concentration, distribution, and gradients.
        
        001B60A72T Doping and impurity implantation in germanium and silicon.
        
        001B60A72V Doping and impurity implantation in III-V and II-VI semiconductors.
        
        001B60A72W Doping and impurity implantation in other materials.
        
        001B60A72Y Interaction between different crystal defects; gettering effect.
      - 001B60A80 Physical radiation effects, radiation damage.
        
        001B60A80A Theory and models of radiation effects.
        
        001B60A80B Ultraviolet, visible, and infrared radiation effects (including laser radiation).
        
        001B60A80C X ray effects.
        
        001B60A80E ? ray effects.
        
        001B60A80F Electrons and positron radiation effects.
        
        001B60A80H Neutron radiation effects.
        
        001B60A80J Ion radiation effects.
        
        001B60A80L Atom and molecule irradiation effects.
      - 001B60A82 Radiation effects on specific materials.
      - 001B60A85 Channeling phenomena (blocking, energy loss, etc.).
      - 001B60A90 Other topics in structure of solids and liquids.
    - 001B60B Mechanical and acoustical properties of condensed matter.
    - 001B60C Lattice dynamics.
      - 001B60C10 General theory.
      - 001B60C20 Phonons and vibrations in crystal lattices.
        
        001B60C20D Phonon states and bands, normal modes, and phonon dispersion.
        
        001B60C20K Phonon-electron and phonon-phonon interactions.
        
        001B60C20L Phonon-quasiparticle interactions.
        
        001B60C20M Phonon-defect interactions.
        
        001B60C20P Localized modes.
        
        001B60C20R Anharmonic lattice modes.
      - 001B60C22 Phonons in low-dimensional structures and small particles.
      - 001B60C50 Vibrational states in disordered systems.
      - 001B60C70 Statistical mechanics of lattice vibrations and displacive phase transitions.
      - 001B60C90 Other topics in lattice dynamics.
    - 001B60D Equations of state, phase equilibria, and phase transitions.
    - 001B60E Thermal properties of condensed matter.
      - 001B60E20 Thermal properties of liquids: heat capacity, thermal expansion...
      - 001B60E40 Thermal properties of crystalline solids.
        
        001B60E40B Heat capacity.
        
        001B60E40D Thermal expansion; thermomechanical effects and density.
        
        001B60E40G Thermodynamic properties.
      - 001B60E60 Thermal properties of amorphous solids and glasses : heat capacity, thermal expansion...
      - 001B60E80 Thermal properties of small particles, nanocrystals, nanotubes.
      - 001B60E90 Other topics in thermal properties of condensed matter.
    - 001B60F Transport properties of condensed matter (nonelectronic).
      - 001B60F10 Diffusion and ionic conduction in liquids.
        
        001B60F10C Diffusion and thermal diffusion.
        
        001B60F10E Ionic conduction.
      - 001B60F20 Diffusive momentum transport (including viscosity of liquids).
      - 001B60F30 Diffusion in solids.
      - 001B60F35 Quantum tunneling of defects.
      - 001B60F60 Thermal conduction in nonmetallic liquids.
      - 001B60F70 Nonelectronic thermal conduction and heat-pulse propagation in solids; thermal waves.
      - 001B60F90 Other topics in nonelectronic transport properties of condensed matter.
    - 001B60G Quantum fluids and solids; liquid and solid helium.
      - 001B60G20 Quantum effects on the structure and dynamics of nondegenerate fluids (e.g., normal phase liquid ⁴He).
      - 001B60G40 Boson degeneracy and superfluidity of ⁴He.
      - 001B60G55 Normal phase of liquid ³He.
      - 001B60G57 Superfluid phase of liquid ³He.
      - 001B60G60 Mixed systems; liquid ³He-⁴He mixtures.
        
        001B60G60D He I-³He.
        
        001B60G60F He II-³He.
        
        001B60G60H Dilute superfluid ³He in He II.
      - 001B60G65 Spin-polarized hydrogen and helium.
      - 001B60G70 Films (including physical adsorption).
      - 001B60G80 Solid helium and related quantum crystals.
      - 001B60G90 Other topics in quantum fluids and solids; liquid and solid helium.
    - 001B60H Surfaces and interfaces; thin films and whiskers (structure and nonelectronic properties).
  - 001B70 Condensed matter: electronic structure, electrical, magnetic, and optical properties.
    - 001B70A Electron states.
    - 001B70B Electronic transport in condensed matter.
    - 001B70C Electronic structure and electrical properties of surfaces, interfaces, thin films and low-dimensional structures.
    - 001B70D Superconductivity.
    - 001B70E Magnetic properties and materials.
    - 001B70F Magnetic resonances and relaxations in condensed matter, Mössbauer effect.
    - 001B70G Dielectrics, piezoelectrics, and ferroelectrics and their properties.
    - 001B70H Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation.
      - 001B70H20 Optical properties of bulk materials and thin films.
      - 001B70H30 Infrared and Raman spectra and scattering.
      - 001B70H35 Brillouin and Rayleigh scattering; other light scattering.
      - 001B70H40 Visible and ultraviolet spectra.
      - 001B70H45 Stimulated emission.
      - 001B70H47 Time-resolved optical spectroscopies and other ultrafast optical measurements in condensed matter.
      - 001B70H55 Photoluminescence.
      - 001B70H60 Other luminescence and radiative recombination.
        
        001B70H60F Electroluminescence.
        
        001B70H60H Cathodoluminescence, ionoluminescence.
        
        001B70H60K Thermoluminescence.
        
        001B70H60M Sonoluminescence, triboluminescence.
        
        001B70H60P Chemiluminescence.
      - 001B70H66 Optical properties of specific thin films.
      - 001B70H67 Optical properties of low-dimensional, mesoscopic, and nanoscale materials and structures.
      - 001B70H68 Optical properties of surfaces.
      - 001B70H70 Other interactions of matter with particles and radiation.
      - 001B70H90 Other topics in optical properties of condensed matter 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.
  - 001D04 Telecommunications and information theory.
    - 001D04A Information, signal and communications theory.
    - 001D04B Telecommunications.
      - 001D04B01 General.
      - 001D04B02 Systems, networks and services of telecommunications.
      - 001D04B03 Teleprocessing networks. ISDN.
      - 001D04B04 Radiocommunications.
        
        001D04B04A Regulation.
        
        001D04B04B Organization, operation and development plans.
        
        001D04B04C Radiowave propagation.
        
        001D04B04D Antennas.
        
        001D04B04E Transmitters. Receivers.
        
        001D04B04F Radiocommunication specific techniques.
        
        001D04B04G Equipments and installations.
        
        001D04B04G1 Radiorelay links.
        
        001D04B04G2 Mobile radiocommunication systems.
        
        001D04B04G3 Miscellaneous.
        
        001D04B04I Miscellaneous.
      - 001D04B05 Radiolocalization and radionavigation.
      - 001D04B06 Broadcasting. Videocommunications. Audiovisual.
      - 001D04B08 Optical telecommunications.
      - 001D04B09 Satellite telecommunications. Space telecommunications.
      - 001D04B10 Miscellaneous.
  - 001D05 Electrical engineering. electrical power engineering.
  - 001D06 Energy.
    - 001D06A General, economic and professional studies.
    - 001D06B Fuels.
      - 001D06B01 Coal and derived products.
        
        001D06B01A General.
        
        001D06B01B Structure, chemical and physical properties.
        
        001D06B01C Processing.
        
        001D06B01C1 Mechanical preparation.
        
        001D06B01C2 Carbonization. Coking plant.
        
        001D06B01C3 Coke.
        
        001D06B01C4 By products of carbonization.
        
        001D06B01D Coal and coke storage, transportation and distribution.
        
        001D06B01E Miscellaneous: general maintenance, miscellaneous installations, waste waters, etc.
      - 001D06B02 Crude oil, natural gas and petroleum products.
      - 001D06B03 Gas industry.
      - 001D06B04 Nuclear fuels.
      - 001D06B05 Wood. Peat. Brown coal.
      - 001D06B06 Alternative fuels. Production and utilization.
      - 001D06B07 Fuel processing. Carbochemistry and petrochemistry.
    - 001D06C Natural energy.
    - 001D06D Energy. Thermal use of fuels.
      - 001D06D01 General.
      - 001D06D02 Theoretical studies. Data and constants. Metering.
      - 001D06D03 Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc.
        
        001D06D03A General.
        
        001D06D03B Furnaces. Firing chambers. Burners.
        
        001D06D03C Boilers.
        
        001D06D03D Engines and turbines.
        
        001D06D03E Fuel cells.
        
        001D06D03F MHD generators.
        
        001D06D03G Miscellaneous: thermoionic and thermoelectric converters, plasma guns, torches, etc.
      - 001D06D04 Installations for energy generation and conversion: thermal and electrical energy...
      - 001D06D05 Transport and storage of energy.
      - 001D06D06 Rational use of energy: conservation and recovery of energy.
      - 001D06D07 Devices using thermal energy.
      - 001D06D08 Heating, air conditioning and ventilation.
      - 001D06D09 Refrigerating engineering. Cryogenics. Food conservation.
      - 001D06D10 Materials and auxiliary equipments used in energy engineering.
      - 001D06D11 Air pollution caused by fuel industries.
  - 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.
    - 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.
      - 001D11I01 Management. Ergonomics. Economics. Business administration.
        
        001D11I01A Investments. Research and development.
        
        001D11I01B Automation. Data processing.
        
        001D11I01C Organization of work.
        
        001D11I01D Maintenance.
      - 001D11I02 Accident prevention. Safety. Health hazard. Sanitation and hygiene.
      - 001D11I03 Descriptions of plants and factories. Plant engineering.
      - 001D11I04 Applications.
      - 001D11I05 Others aspects.
  - 001D12 Mechanical engineering. machine design.
  - 001D13 Material handling, hoisting. storage. packaging.
  - 001D14 Buildings. public works.
    - 001D14A General.
    - 001D14B Building economics. Cost.
    - 001D14C Structural analysis. Stresses.
    - 001D14D Construction works.
    - 001D14E Durability. Pathology. Repairing. Maintenance.
    - 001D14F Geotechnics.
    - 001D14G Materials.
    - 001D14H Construction (buildings and works).
    - 001D14I Buildings.
      - 001D14I01 External envelopes.
      - 001D14I02 Building technical equipments.
        
        001D14I02A Plumbing. Sanitary facilities.
        
        001D14I02B Environmental engineering.
        
        001D14I02B1 Energy management and energy conservation in building.
        
        001D14I02B2 Space heating.
        
        001D14I02B3 Ventilation. Air conditioning.
        
        001D14I02B4 Chimney. Smokestack.
        
        001D14I02B5 Miscellaneous.
        
        001D14I02C Electrical equipment.
        
        001D14I02D Lighting.
        
        001D14I02E Building mechanical equipments (elevators, goods lifts, escalators).
        
        001D14I02F Fire protection.
        
        001D14I02G Miscellaneous.
      - 001D14I03 Housing improvement. Restoration.
      - 001D14I04 Types of buildings.
      - 001D14I05 Miscellaneous.
    - 001D14J Water supply. Pipings. Water treatment.
    - 001D14K Sewerage. Sewer construction.
    - 001D14L Hydraulic constructions.
    - 001D14M Bridges.
    - 001D14N Tunnels, galleries.
    - 001D14O Transportation infrastructure.
    - 001D14P Nuclear power plants (construction and construction safety).
    - 001D14Q Miscellaneous.
  - 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.
    - 001E03B Solar System.
    - 001E03C Stars.
      - 001E03C10 Stellar characteristics and properties.
      - 001E03C20 Normal stars (by class): general or individual.
      - 001E03C21 Pre-main sequence objects, young stellar objects (YSO's) and protostars (T Tauri stars, Orion population, Herbig-Haro objects, Bok globules, bipolar outflows, cometary nebulae, etc.).
      - 001E03C30 Variable and peculiar stars (including novae).
      - 001E03C60 Late stages of stellar evolution (including black holes).
        
        001E03C60B Supernovae.
        
        001E03C60G Pulsars.
        
        001E03C60J Neutron stars.
        
        001E03C60L Black holes.
      - 001E03C80 Binary and multiple stars.
      - 001E03C82 Extrasolar planetary systems.
      - 001E03C90 Other topics on stars.
    - 001E03D Stellar systems. Galactic and extragalactic objects and systems. The Universe.
      - 001E03D10 Stellar dynamics and kinematics.
      - 001E03D20 Stellar clusters and associations.
      - 001E03D35 Characteristics and properties of the Milky Way.
      - 001E03D38 Interstellar medium (ISM) and nebulae in Milky Way.
      - 001E03D52 Normal galaxies. Extragalactic objects and systems (by type).
      - 001E03D54 Quasars. Active or peculiar galaxies, objects, and systems.
      - 001E03D56 Local Group. Magellanic clouds.
      - 001E03D58 Interstellar medium (ISM) and nebulae in external galaxies.
      - 001E03D62 Characteristics and properties of external galaxies and extragalactic objects.
      - 001E03D65 Galaxy groups, clusters, and superclusters. Large-scale structure of the Universe.
      - 001E03D70 Unidentified sources and radiation outside the Solar System.
      - 001E03D80 Cosmology.
        
        001E03D80B Origin and formation of the Universe.
        
        001E03D80C Particle-theory and field-theory models of the early Universe (including cosmic pancakes, cosmic strings, chaotic phenomena, inflationary universe, etc.).
        
        001E03D80E Observational cosmology (including Hubble constant, distance scale, cosmological constant, early Universe, etc.).
        
        001E03D80F Origin, formation and abundance of the elements.
        
        001E03D80H Mathematical and relativistic aspects of cosmology. Quantum 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.
- 002A Fundamental and applied biological sciences. psychology.
  - 002A01 General aspects.
  - 002A02 Analytical, structural and metabolic biochemistry.
  - 002A03 Molecular biophysics.
  - 002A04 Molecular and cellular biology.
  - 002A05 Microbiology.
  - 002A06 Fundamental immunology.
  - 002A07 Genetics of eukaryotes. biological and molecular evolution.
  - 002A08 Tissues, organs and organisms biophysics.
  - 002A09 Plant cytology, morphology, systematics, chorology and evolution.
  - 002A10 Plant physiology and development.
  - 002A11 Protozoa.
  - 002A12 Invertebrates.
  - 002A13 Animal ethology.
  - 002A14 Animal, plant and microbial ecology.
    - 002A14A General aspects. Techniques.
    - 002A14B Animal and plant ecology.
      - 002A14B01 General aspects.
      - 002A14B02 Autoecology.
        
        002A14B02A General aspects.
        
        002A14B02B Plants and fungi.
        
        002A14B02C Animals.
        
        002A14B02C1 Protozoa. Invertebrata.
        
        002A14B02C2 Vertebrata.
      - 002A14B03 Demecology.
      - 002A14B04 Synecology.
    - 002A14C Microbial ecology.
    - 002A14D Applied ecology.
  - 002A15 Vertebrates: general zoology, morphology, phylogeny, systematics, cytogenetics, geographical distribution.
  - 002A16 Vertebrates: anatomy and physiology, studies on body, several organs or systems.
  - 002A17 Vertebrates: digestive system.
  - 002A18 Vertebrates: urinary system.
  - 002A19 Vertebrates: skin, associated glands, phaneres, light organs, various exocrine glands (salt gland, uropygial gland...), adipose tissue, connective tissue.
  - 002A20 Vertebrates: respiratory system.
  - 002A21 Vertebrates: blood, hematopoietic organs, reticuloendothelial system.
  - 002A22 Vertebrates: cardiovascular system.
  - 002A23 Vertebrates: osteoarticular system, musculoskeletal system.
  - 002A24 Vertebrates: body movement. posture. locomotion. flight. swimming. physical exercise. rest. sports.
  - 002A25 Vertebrates: nervous system and sense organs.
  - 002A26 Psychology. psychophysiology.
  - 002A27 Psychoanalysis.
  - 002A28 Vertebrates: endocrinology.
  - 002A29 Vertebrates: reproduction.
  - 002A30 Embryology: invertebrates and vertebrates. teratology.
  - 002A31 Biotechnology.
    - 002A31A Legislation. General informations.
    - 002A31B Mission oriented research.
    - 002A31C Methods. Procedures. Technologies.
      - 002A31C01 Microbial engineering. Fermentation and microbial culture technology.
      - 002A31C02 Genetic technics.
        
        002A31C02A Genetic engineering.
        
        002A31C02B Mutant screening.
        
        002A31C02B1 Prokaryotes.
        
        002A31C02B2 Eukaryotes.
      - 002A31C03 Enzyme engineering.
        
        002A31C03A Production of selected enzymes.
        
        002A31C03B Improved methods for extraction and purification of enzymes.
        
        002A31C03C Miscellaneous.
      - 002A31C04 Protein engineering.
      - 002A31C05 Immobilization techniques.
      - 002A31C06 Bioconversions. Hemisynthesis.
      - 002A31C07 Eukaryotic cell cultures.
      - 002A31C08 Algal culture (Microalgae).
      - 002A31C09 Various methods and equipments.
    - 002A31D Industrial applications and implications. Economical aspects.
  - 002A32 Agronomy. Soil science and plant productions.
  - 002A33 Forestry.
  - 002A34 Phytopathology. animal pests. plant and forest protection.
  - 002A35 Food industries.
  - 002A36 Animal productions.
  - 002A37 Medically important nuisances and vectors, pests of stored products and materials: population survey and control.
- 002B Medical sciences.

Francis Classification Scheme