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Pascal Classification Scheme

001 Exact sciences and technology.
- 001A Sciences and techniques of general use.
- 001B Physics
  - 001B00 General.
    - 001B00A Communication, education, history, and philosophy.
    - 001B00B Mathematical methods in physics.
    - 001B00C Classical and quantum physics: mechanics and fields.
      - 001B00C20 Classical mechanics of discrete systems: general mathematical aspects.
      - 001B00C30 Special relativity.
      - 001B00C40 Classical mechanics of continuous media: general mathematical aspects.
      - 001B00C50 Classical field theories.
      - 001B00C65 Quantum mechanics.
        
        001B00C65B Foundations, theory of measurement, miscellaneous theories (including Aharonov-Bohm effect, Bell inequalities, Berry's phase).
        
        001B00C65C Formalism.
        
        001B00C65D Functional analytical methods.
        
        001B00C65F Algebraic methods.
        
        001B00C65G Solutions of wave equations: bound states.
        
        001B00C65N Nonrelativistic scattering theory.
        
        001B00C65P Relativistic wave equations.
        
        001B00C65S Semiclassical theories and applications.
      - 001B00C67 Quantum information.
      - 001B00C70 Theory of quantized fields.
      - 001B00C75 Matter waves.
      - 001B00C80 General theory of scattering.
    - 001B00D General relativity and gravitation.
    - 001B00E Statistical physics, thermodynamics, and nonlinear dynamical systems.
    - 001B00F 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.
    - 001B10C Specific reactions and phenomenology.
      - 001B10C10 Weak and electromagnetic interactions of leptons.
      - 001B10C15 Neutrino interactions.
      - 001B10C20 Leptonic and semileptonic decays of mesons.
      - 001B10C25 Hadronic decays of mesons.
      - 001B10C30 Decays of baryons.
      - 001B10C35 Decays of leptons.
        
        001B10C35B Decays of muons.
        
        001B10C35D Decays of taus.
        
        001B10C35H Decays of heavy neutrinos.
      - 001B10C38 Decays of intermediate bosons.
      - 001B10C40 Electromagnetic processes and properties.
      - 001B10C60 Photon and charged-lepton interactions with hadrons.
      - 001B10C65 Hadron production by electron-positron collisions.
      - 001B10C75 Hadron-induced low- and intermediate-energy reactions and scattering (energy ? 10 GeV).
      - 001B10C85 Hadron-induced high- and super-high-energy interactions (energy >> 10 GeV).
      - 001B10C87 Jets in large-Q² scattering.
      - 001B10C88 Polarization in interactions and scattering.
      - 001B10C90 Other topics in specific reactions and phenomenology of elementary particles.
    - 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.
      - 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.
    - 001B20F Nuclear astrophysics.
    - 001B20G Properties of specific nuclei listed by mass ranges.
      - 001B20G10 A ? 5.
      - 001B20G20 6 ? a ? 19.
      - 001B20G30 20 ? a ? 38.
      - 001B20G40 39 ? a ? 58.
      - 001B20G50 59 ? a ? 89.
      - 001B20G60 90 ? a ? 149.
      - 001B20G70 150 ? a ? 189.
      - 001B20G80 190 ? a ? 219.
      - 001B20G90 220 ? a.
    - 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.
      - 001B30C15 Properties of molecules and molecular ions.
      - 001B30C20 Molecular spectra.
      - 001B30C25 Nuclear resonance and relaxation.
      - 001B30C35 Electron resonance and relaxation.
      - 001B30C40 Multiple resonances (including double and higher-order resonance processes, such as double nuclear magnetic resonance, electron double resonance and microwave optical double resonance).
      - 001B30C45 Mössbauer spectra.
      - 001B30C50 Fluorescence and phosphorescence; radiationless transitions, quenching (intersystem crossing, internal conversion).
      - 001B30C55 Optical activity and dichroism; magnetooptical and electrooptical spectra.
      - 001B30C60 Photoelectron spectra.
      - 001B30C70 Intensities and shapes of molecular spectral lines and bands.
      - 001B30C80 Photon interactions with molecules.
        
        001B30C80B Level crossing and optical pumping.
        
        001B30C80E Autoionization, photoionization, and photodetachment.
        
        001B30C80G Diffuse spectra; predissociation, photodissociation.
        
        001B30C80P Optical cooling of molecules; trapping.
        
        001B30C80R Multiphoton ionization and excitation to highly excited states (e.g., Rydberg states).
        
        001B30C80W Other multiphoton processes.
      - 001B30C90 Other topics in molecular properties and interactions with photons.
    - 001B30D Atomic and molecular collision processes and interactions.
    - 001B30F Studies of special atoms, molecules and their ions; clusters.
    - 001B30G Mechanical control of atoms, molecules and ions.
  - 001B40 Fundamental areas of phenomenology (including applications).
    - 001B40A Electromagnetism; electron and ion optics.
    - 001B40B Optics.
      - 001B40B15 Geometrical optics.
      - 001B40B25 Wave optics.
      - 001B40B30 Imaging and optical processing.
      - 001B40B40 Holography.
      - 001B40B50 Quantum optics.
      - 001B40B55 Lasers.
      - 001B40B60 Laser optical systems: design and operation.
      - 001B40B62 Biological and medical applications.
      - 001B40B65 Nonlinear optics.
        
        001B40B65A Optical susceptibility, hyperpolarizability.
        
        001B40B65D Stimulated Raman scattering; CARS.
        
        001B40B65E Stimulated Brillouin and Rayleigh scattering.
        
        001B40B65H Phase conjugation, optical mixing; photorefractive and Kerr effects. $Ver detalles 001B40B65H Phase conjugation, optical mixing; photorefractive and Kerr effects.$ $Buscar 001B40B65H Phase conjugation, optical mixing; photorefractive and Kerr effects.$
        
        001B40B65J Beam trapping, self-focusing and defocusing; self-phase modulation.
        
        001B40B65K Frequency conversion ; harmonic generation, including high-order harmonic generation.
        
        001B40B65L Parametric down conversion and production of entangled photons.
        
        001B40B65P Optical bistability, multistability and switching, including local field effects.
        
        001B40B65R Ultrafast processes; optical pulse generation and pulse compression.
        
        001B40B65S Dynamics of nonlinear optical systems; optical instabilities, optical chaos and complexity, and optical spatio-temporal dynamics.
        
        001B40B65T Optical solitons; nonlinear guided waves.
        
        001B40B65Y Optical parametric oscillators and amplifiers.
      - 001B40B68 Atmospheric optics.
      - 001B40B70 Optical materials.
      - 001B40B72 Optical sources and standards.
      - 001B40B79 Optical elements, devices, and systems.
      - 001B40B81 Fiber optics.
      - 001B40B83 Micro- and nanooptical devices.
      - 001B40B86 Optical workshop techniques.
      - 001B40B87 Optical testing techniques.
      - 001B40B88 Radiation effects on optical elements, devices, and systems.
      - 001B40B90 Other topics in optics.
    - 001B40C Acoustics.
    - 001B40D Heat transfer.
    - 001B40F Solid mechanics.
    - 001B40G 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.
      - 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.
  - 001B70 Condensed matter: electronic structure, electrical, magnetic, and optical properties.
  - 001B80 Cross-disciplinary physics: materials science; rheology.
    - 001B80A Materials science.
    - 001B80C Rheology.
      - 001B80C10 Fundamentals and general.
      - 001B80C20 Constitutive relations.
      - 001B80C50 Deformation; material flow.
        
        001B80C50A Steady shear flows.
        
        001B80C50B Transient deformation and flow; time-dependent properties: start-up, stress relaxation, creep, recovery, etc..
        
        001B80C50C Injection molding.
        
        001B80C50D Compression molding.
        
        001B80C50E Weissenberg effect.
        
        001B80C50F Linear viscoelasticity.
        
        001B80C50G Nonlinear viscoelasticity.
        
        001B80C50J Extensional and combined flows.
        
        001B80C50L Interfacial and free surface flows; slip.
        
        001B80C50N Viscoplasticity; yield stress.
        
        001B80C50P Effects of electric and magnetic fields.
        
        001B80C50Q Thixotropy; thickening flows.
        
        001B80C50S Thermorheological properties; non-isothermal rheology.
        
        001B80C50T Wave propagation, shocks, fracture, and crack healing. $Ver detalles 001B80C50T Wave propagation, shocks, fracture, and crack healing.$ $Buscar 001B80C50T Wave propagation, shocks, fracture, and crack healing.$
        
        001B80C50V Wave speed.
        
        001B80C50W Chaotic flows; drag reduction.
        
        001B80C50Y Flows in processing machinery.
      - 001B80C70 Material form.
      - 001B80C80 Material types.
      - 001B80C85 Techniques and apparatus.
      - 001B80C90 Other topics in rheology.
- 001C Chemistry.
  - 001C01 General and physical chemistry.
  - 001C02 Inorganic chemistry and origins of life.
  - 001C03 Organic chemistry.
    - 001C03A General.
    - 001C03B Reactivity and mechanisms.
    - 001C03C Preparations and properties.
      - 001C03C01 Organometalloidal and organometallic compounds.
      - 001C03C02 Aliphatic compounds.
      - 001C03C03 Noncondensed benzenic compounds.
      - 001C03C04 Condensed benzenic and aromatic compounds.
      - 001C03C05 Alicyclic compounds, terpenoids, prostaglandins, steroids.
      - 001C03C06 Heterocyclic compounds.
        
        001C03C06A Heterocyclic compounds with O, S, Se, Te hetero atom and condensed derivatives.
        
        001C03C06B Heterocyclic compounds with only one N hetero atom and condensed derivatives.
        
        001C03C06C Heterocyclic compounds with several N hetero atoms in the same ring, in separated rings or in fused rings.
        
        001C03C06D Heterocyclic compounds with N hetero atom and also O and/or S, Se, Te hetero atoms.
        
        001C03C06E Miscellaneous.
      - 001C03C07 Carbohydrates. Nucleosides and nucleotides.
        
        001C03C07A Carbohydrates with 4, 5, 6, ... C atoms, dissacharides and oligosaccharides.
        
        001C03C07B Nucleosides, nucleotides and oligonucleotides.
      - 001C03C08 Peptides.
      - 001C03C09 Lipids.
  - 001C04 Analytical 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.
    - 001D03G Electric, optical and optoelectronic circuits.
    - 001D03H Display.
    - 001D03I Storage and reproduction of information.
      - 001D03I01 Recording and replay of audio and video signals.
      - 001D03I02 Magnetic and optical mass memories.
      - 001D03I03 Miscellaneous.
    - 001D03J Hardware.
    - 001D03K Miscellaneous.
  - 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.
        
        001D04B04I Miscellaneous.
      - 001D04B05 Radiolocalization and radionavigation.
      - 001D04B06 Broadcasting. Videocommunications. Audiovisual.
      - 001D04B08 Optical telecommunications.
        
        001D04B08A Optical fiber communications.
        
        001D04B08B Wireless optical communications.
      - 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.
        
        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.
        
        001D06B06A General.
        
        001D06B06B Hydrogen.
        
        001D06B06C Alcohols: methanol, ethanol, etc.
        
        001D06B06D Fuel slurries.
        
        001D06B06E Miscellaneous.
      - 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.
      - 001D06D01 General.
      - 001D06D02 Theoretical studies. Data and constants. Metering.
      - 001D06D03 Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc.
      - 001D06D04 Installations for energy generation and conversion: thermal and electrical energy...
        
        001D06D04A General.
        
        001D06D04B Installations for industrial steam generation.
        
        001D06D04C Thermal power plants.
        
        001D06D04D Fission nuclear power plants.
        
        001D06D04E Controled nuclear fusion plants.
        
        001D06D04F Combined power plants.
        
        001D06D04G Hydroelectric power plants.
        
        001D06D04H Other installations: MHD power plants, fuel cell plants, incineration plants, etc.
      - 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.
        
        001D06D08A General. Regulations.
        
        001D06D08B Technical data: comfort, insulation, loads, etc.
        
        001D06D08C Space heating. Hot water.
        
        001D06D08D Air conditioning. Ventilation.
        
        001D06D08E Miscellaneous.
      - 001D06D09 Refrigerating engineering. Cryogenics. Food conservation.
        
        001D06D09A Refrigerating engineering.
        
        001D06D09B Cryogenics.
        
        001D06D09C Miscellaneous.
      - 001D06D10 Materials and auxiliary equipments used in energy engineering.
      - 001D06D11 Air pollution caused by fuel industries.
  - 001D07 Chemical engineering.
  - 001D08 Chemical industry and chemicals.
    - 001D08A Industrial chemicals.
    - 001D08B Building materials. Ceramics. Glasses.
      - 001D08B01 General.
      - 001D08B04 Ceramic industries.
      - 001D08B05 Refractory products. $Ver detalles 001D08B05 Refractory products.$ $Buscar 001D08B05 Refractory products.$
      - 001D08B06 Glasses.
        
        001D08B06A General.
        
        001D08B06B Manufacture.
        
        001D08B06C Structure, analysis, properties.
        
        001D08B06D Special glasses.
        
        001D08B06E Glass fibers.
        
        001D08B06F Glass-ceramics.
        
        001D08B06G Miscellaneous.
      - 001D08B07 Glazes, enamels.
    - 001D08C Oils and fats.
    - 001D08D Washing products. Cosmetics and toiletries. Perfumes.
  - 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.
      - 001D11D01 Welding.
      - 001D11D02 Brazing. Soldering.
      - 001D11D03 Adhesive bonding.
      - 001D11D04 Thermal cutting.
      - 001D11D05 Coating.
      - 001D11D06 Friction-type joining (riveting, screwing, clamping, bending).
      - 001D11D07 Hot working (straightening, preheating).
      - 001D11D08 Hot spraying.
    - 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.
    - 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.
    - 001D14J Water supply. Pipings. Water treatment.
    - 001D14K Sewerage. Sewer construction.
    - 001D14L Hydraulic constructions.
    - 001D14M Bridges.
      - 001D14M01 General.
      - 001D14M02 Bridge elements.
      - 001D14M03 Wood bridges.
      - 001D14M04 Masonry bridges.
      - 001D14M05 Concrete bridges.
      - 001D14M06 Metal bridges.
      - 001D14M07 Composite bridges.
      - 001D14M08 Suspension bridges. Stayed girder bridges. Bascule bridges. Swing bridges.
      - 001D14M09 Miscellaneous.
    - 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.
    - 001E01A Mineralogy.
    - 001E01B Geochemistry.
    - 001E01C Isotope geochemistry. Geochronology.
    - 001E01D Cosmochemistry. Extraterrestrial geology.
    - 001E01E Metallic and non-metallic deposits.
    - 001E01F Crystalline rocks.
    - 001E01G Sedimentary rocks.
    - 001E01H Marine geology.
    - 001E01I Stratigraphy.
    - 001E01J Areal geology. Maps.
    - 001E01K General geology.
    - 001E01L Tectonics. Structural geology. Plate tectonics.
    - 001E01M Internal geophysics.
    - 001E01N Hydrology. Hydrogeology.
    - 001E01O Engineering and environment geology. Geothermics.
    - 001E01P Surficial geology.
      - 001E01P01 Geomorphology, landform evolution.
      - 001E01P02 Marine and continental Quaternary.
      - 001E01P03 Soils.
    - 001E01Q Paleontology.
  - 001E02 External geophysics.
  - 001E03 Astronomy.
002 Biological and medical sciences.
- 002A Fundamental and applied biological sciences. psychology.
  - 002A01 General aspects.
  - 002A02 Analytical, structural and metabolic biochemistry.
    - 002A02A General and theoretical biochemistry.
    - 002A02B Analytical biochemistry: general aspects, technics, instrumentation.
    - 002A02C Nucleic acids.
    - 002A02D Proteins.
    - 002A02E Enzymes and enzyme inhibitors.
    - 002A02F Other biological molecules.
      - 002A02F01 Inorganic compounds.
      - 002A02F02 Carbohydrates.
      - 002A02F03 Lipids.
        
        002A02F03A Fatty acids.
        
        002A02F03B Glycerolipids, phospholipids.
        
        002A02F03C Sphingolipids.
        
        002A02F03D Miscellaneous.
      - 002A02F04 Terpenes, steroids. Hormones.
      - 002A02F05 Coenzymes, vitamins.
      - 002A02F06 Heterocyclic compounds, pigments.
      - 002A02F07 Non peptidic neurotransmitters, polyamines.
      - 002A02F08 Plant growth substances.
      - 002A02F09 Intermediary metabolites. Miscellaneous.
    - 002A02G Analysis of complex biological substances.
  - 002A03 Molecular biophysics.
  - 002A04 Molecular and cellular biology.
  - 002A05 Microbiology.
  - 002A06 Fundamental immunology.
  - 002A07 Genetics of eukaryotes. biological and molecular evolution.
    - 002A07A Biological evolution.
    - 002A07C Classical genetics, quantitative genetics, hybrids.
    - 002A07D Cytogenetics.
      - 002A07D01 Animals.
      - 002A07D02 Vegetals and fungi.
        
        002A07D02A Thallophyta, Bryophyta.
        
        002A07D02B Pteridophyta, Spermatophyta.
      - 002A07D03 Human.
      - 002A07D04 Methods and miscellaneous.
    - 002A07E Population genetics, reproduction patterns.
    - 002A07F Paternity testing.
  - 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.
  - 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.
  - 002A32 Agronomy. Soil science and plant productions.
    - 002A32A Generalities. Biometrics, experimentation. Remote sensing.
    - 002A32B Soil science.
    - 002A32C General agronomy. Plant production.
      - 002A32C01 Generalities. Agricultural and farming systems. Agricultural development.
      - 002A32C02 Soil-plant relationships. Soil fertility. Fertilization. Amendments.
        
        002A32C02A Generalities. Analysis and diagnosis methods.
        
        002A32C02B Soil-plant relationships. Soil fertility.
        
        002A32C02C Nitrogen, phosphorus, potassium fertilizations.
        
        002A32C02D Micronutrients fertilization.
        
        002A32C02E Other nutrients. Amendments. Solid and liquid wastes. Sludges and slurries.
        
        002A32C02F Deficiencies. Phytotoxicity of elements. Salinity.
      - 002A32C03 Agricultural and forest climatology and meteorology. Irrigation. Drainage.
      - 002A32C04 Cropping systems. Cultivation. Soil tillage.
      - 002A32C05 Vegetative propagation. Sowing and planting. Harvesting.
      - 002A32C06 Soilless cultures. Protected cultivation.
      - 002A32C07 Edible fungi production.
      - 002A32C08 Use of agricultural and forest wastes. Biomass use, bioconversion.
      - 002A32C09 Plant aquaculture, algal production (macroalgae).
    - 002A32D Genetics and breeding of economic plants.
    - 002A32E Economic plant physiology.
  - 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.
  - 002B01 General aspects.
  - 002B02 Pharmacology. drug treatments.
  - 002B03 Toxicology.
  - 002B04 Tumors.
  - 002B05 Infectious diseases.
    - 002B05A General aspects.
    - 002B05B Bacterial diseases.
      - 002B05B01 General aspects.
      - 002B05B02 Human bacterial diseases.
      - 002B05B03 Animal bacterial diseases.
      - 002B05B04 Experimental bacterial diseases and models.
    - 002B05C Viral diseases.
    - 002B05D Mycoses.
      - 002B05D01 General aspects.
      - 002B05D02 Human mycoses.
        
        002B05D02A Mycoses of the eye and the orbit.
        
        002B05D02B Mycoses of the skin.
        
        002B05D02C Mycoses of the respiratory system.
        
        002B05D02D Mycoses of the osteoarticular system.
        
        002B05D02E Mycoses of the genital system.
        
        002B05D02F Mycoses of the digestive system.
        
        002B05D02G ENT and stomatologic mycoses.
        
        002B05D02H Mycoses of the urinary system.
        
        002B05D02I Mycoses of the nervous system.
        
        002B05D02J Mycotic sepsis.
        
        002B05D02K Tropical mycoses.
        
        002B05D02L Miscellaneous mycoses.
      - 002B05D03 Animal mycoses.
      - 002B05D04 Experimental mycoses and models.
    - 002B05E Parasitic diseases.
  - 002B06 Immunopathology.
  - 002B07 Sarcoidosis. granulomatous diseases of unproved etiology. connective tissue diseases. elastic tissue diseases. vasculitis.
  - 002B08 Dermatology.
  - 002B09 Ophthalmology.
  - 002B10 Otorhinolaryngology. stomatology.
    - 002B10A Otorhinolaryngology (head neck, general aspects and miscellaneous).
    - 002B10B Upper respiratory tract, upper alimentary tract, paranasal sinuses, salivary glands: diseases, semeiology.
      - 002B10B01 Tumors.
      - 002B10B02 Non tumoral diseases.
    - 002B10C Facial bones, jaws, teeth, parodontium: diseases, semeiology.
    - 002B10D Ear, auditive nerve, cochleovestibular tract, facial nerve: diseases, semeiology.
  - 002B11 Pneumology.
  - 002B12 Cardiology. vascular system.
  - 002B13 Gastroenterology. liver. pancreas. abdomen.
  - 002B14 Nephrology. urinary tract diseases.
  - 002B15 Diseases of the osteoarticular system.
  - 002B16 Traumas. diseases due to physical agents.
  - 002B17 Neurology.
  - 002B18 Psychopathology. psychiatry.
  - 002B19 Hematologic and hematopoietic diseases.
  - 002B20 Gynecology. andrology. obstetrics.
  - 002B21 Endocrinopathies.
  - 002B22 Metabolic diseases.
  - 002B23 Medical genetics.
  - 002B24 Investigative techniques, diagnostic techniques (general aspects).
    - 002B24A Radiodiagnosis. NMR imagery. NMR spectrometry.
    - 002B24B Radionuclide investigations.
      - 002B24B01 ENT. Stomatology.
      - 002B24B02 Eye.
      - 002B24B03 Respiratory system.
      - 002B24B04 Cardiovascular system.
      - 002B24B05 Digestion. Liver. Biliary tract. Spleen. Pancreas.
      - 002B24B06 Urinary system.
      - 002B24B07 Nervous system.
      - 002B24B08 Osteoarticular system. Muscles.
      - 002B24B09 Blood cells.
      - 002B24B10 Endocrine glands. Genital system. Mammary gland.
      - 002B24B11 Miscellaneous. Technology.
    - 002B24C Ultrasonic investigative techniques.
    - 002B24D Electrodiagnosis. Electric activity recording.
      - 002B24D01 Electrocardiography. Vectocardiography.
      - 002B24D02 Nervous system.
      - 002B24D03 Digestive tract.
      - 002B24D04 Electrooculography. Electroretinography.
      - 002B24D05 Electronystagmography.
      - 002B24D06 Miscellaneous. Technology.
    - 002B24E Endoscopy.
    - 002B24F Investigative techniques of hemodynamics.
    - 002B24G Otorhinolaryngology functional investigation (larynx, voice, audiometry, vestibular function, equilibration...).
    - 002B24H Investigative techniques of respiratory function.
    - 002B24I Investigative techniques of renal and urinary tract function.
    - 002B24J Functional investigation of the digestive system.
    - 002B24K Investigative techniques of ocular function and vision.
    - 002B24L Cerebrospinal fluid (biochemistry, cytology, circulation, manometry). Intracranial pressure determination.
    - 002B24M Blood coagulation.
    - 002B24N Functional investigation of endocrine glands and genital system.
    - 002B24O Pathology. Cytology. Biochemistry. Spectrometry. Miscellaneous investigative techniques.
  - 002B25 Surgery (general aspects). transplantations, organ and tissue grafts. graft diseases.
  - 002B26 Radiotherapy. instrumental treatment. physiotherapy. reeducation. rehabilitation, orthophony, crenotherapy. diet therapy and various other treatments (general aspects).
  - 002B27 Anesthesia. intensive care medicine. transfusions. cell therapy and gene therapy.
  - 002B28 Computerized, statistical medical data processing and models in biomedicine.
  - 002B29 Human physiology applied to population studies and life conditions. Human ecophysiology.
  - 002B30 Public health. hygiene-occupational medicine.
  - 002B31 Ethics.

Francis Classification Scheme