57 languages
Afrikaans (Afrikaans)
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Belarusian (Беларуская)
Bengali (বাংলা)
Bhojpuri (भोजपुरी)
Bulgarian (Български)
Catalan (Català)
Chinese (中文)
Croatian (Hrvatski)
Czech (Čeština)
Danish (Dansk)
Dutch (Nederlands)
English (English)
Esperanto (Esperanto)
Estonian (Eesti)
Finnish (Suomi)
French (Français)
Galician (Galego)
Georgian (ქართული)
German (Deutsch)
Greek (Ελληνικά)
Hindi (हिन्दी)
Hungarian (Magyar)
Indonesian (Bahasa Ind)
Irish (Gaeilge)
Italian (Italiano)
Japanese (日本語)
Kannada (ಕನ್ನಡ)
Kazakh (Қазақ тілі)
Latvian (Latviešu)
Lithuanian (lietuvių)
Macedonian (македонски)
Malayalam (മലയാളം)
Marathi (मराठी)
Norwegian (Norsk)
Polish (Polski)
Portuguese (Português)
Punjabi (ਪੰਜਾਬੀ)
Romanian (Româna)
Russian (Pусский)
Sanskrit (Saṃskṛtam)
Serbian (Српски)
Sinhala (සිංහල)
Slovak (Slovenský)
Slovenian (Slovenski)
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TOP
SIGNS
AUXILIARIES
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5
MATEMATIK. NATURVIDENSKABER
502/504
Naturen og samfundet. Naturressource. Miljølære
502
Det naturlige miljø
502.3/.7
Parts of the environment
504
Miljølære
51
Matematik
510
Matematikkens grundlag. Mængdelære
510.2
General problems of mathematical logic. Foundations of mathematics
510.3
Set theory
510.6
Mathematical logic
511
Talteori. Aritmetik
512
Algebra
514
Geometri
514.7
Differential geometry. Algebraic and analytic methods in geometry
515.1
Topologi
517
Matematisk analyse
517.9
Differentialligninger
519.1
Kombinatorik. Grafteori
519.2
Sandsynlighedsregning og matematisk statistik
519.6
Numerisk regning
519.7
Matematisk kybernetik, informationsteori
519.8
Operationsanalyse. Matematisk programmering
519.83
Game theory
519.85
Mathematical programming
52
Astronomi. Astrofysik. Kosmologi (astronomi). Geodæsi
520
Astronomical instruments and techniques
521
Theoretical astronomy. Celestial mechanics
521.9
Astrometry. Spherical astronomy
523
Astrofysik
523.3
Earth-Moon system
523.4
Planets and their satellites. Planetology
523.6
Interplanetary medium. Comets. Meteors. Meteorites
523.9
The Sun. Solar physics
524
Stars. Stellar systems. The Universe
524.1
Cosmic rays. Primary cosmic rays
524.3
Stars
524.4
Star clusters. Associations of stars
524.5
Interstellar medium. Galactic nebulae
524.6
The Galaxy (Milky Way)
524.7
Extragalactic systems
524.8
The Universe. Metagalaxy. Cosmology
528
Geodæsi og landmåling
528.1
Fejlteori i geodæsi
528.2
Figure of the Earth. Earth measurement. Mathematical geodesy. Physical geodesy. Astronomical geodesy
528.3
Geodætisk opmåling
528.4
Landmåling, detailmåling
528.5
Geodætiske instrumenter
528.7
Fotogrammetri
528.8
Remote sensing
528.9
Kartografi
53
Fysik
53.01/.09
Special auxiliary subdivision for physics
53.01
Theory and nature of phenomena
53.02
General laws of phenomena
53.03
Production and causes of phenomena
53.04
Effects of phenomena
53.05
Observation and recording of phenomena. Visual indication of phenomena
53.06
Application, utilization of phenomena
53.07
Apparatus for production and study of phenomena
53.08
General principles and theory of measurement and the design of measuring apparatus. Measurement methods
53.09
Dependence of phenomena on certain fundamental physical effects
531/534
Mekanik
531
Mekanisk fysik
531-1/-9
Special auxiliary subdivision for mechanics
531-1
One-dimensional. Lines
531-2
Two-dimensional. Planes. Surfaces
531-3
Three-dimensional. Bodies. Spaces
531-4
Hyperspace (space of more than three dimensions)
531-9
Non-Euclidean spaces
531.1
Kinematik
531.2
Statik
531.3
Dynamik
531.4
Arbejde, masse
531.5
Gravitation
531.6
Mekanisk energi
531.7
Mekanik, måleteknik
531.8
Theory of machines. Technical mechanics in general
532
Hydromekanik. Fluid mekanik
532.1
Hydrostatik. Viskositet
532.2
Ligevægt i væsker
532.3
Dykkede legemers ligevægt
532.5
Hydrodynamik. Fluid dynamik
532.6
Overfladespænding, kapillaritet
532.7
Kinetisk væsketeori
533
Gassers mekanik. Plasmafysik
533.1
Gassers tæthed
533.2
Gassers elasticitet
533.5
Vakuumfysik
533.6
Aerodynamik
533.7
Kinetisk gasteori
533.9
Plasmafysik
534
Mekaniske svingninger
534.1
Svingninger i legemer
534.2
Mekaniske svingningers udbredelse
534.3
Dæmpning, absorption
534.4
Lydanalyse
534.5
Composition of vibrations
534.6
Akustisk måleteknik
534.7
Fysiologisk akustik
534.8
Anvendt akustik
535
Optik
535-1/-9
Special auxiliary subdivision for optics
535-1/-3
Radiation according to wavelength. Hertzian waves. Light colours
535-1
Long waves. Infrared
535-2
Visible light. Colours
535-3
Short waves
535-4
Polarized light
535-5
Natural light
535-6
Partially polarized light
535-7
Totally reflected light
535.1
Lysets teori
535.2
Lysenergi
535.3
Geometrisk optik
535.4
Interferens. Holografi
535.5
Polarisation. Spændingsoptik
535.6
Farvelære
535.8
Optiks anvendelser
536
Varmelære
536.1
General theory of heat
536.2
Varmeledning og varmeudveksling
536.3
Varmestråling
536.4
Varmeudvidelse. Faseovergange. Højtemperaturfysik. Kuldefysik
536.5
Temperaturmåling. Termostater
536.6
Varmemængdemåling. Varmefylde
536.7
Termodynamik
537
Elektricitet. Magnetisme
537.2
Elektrostatik
537.3
Elektrisk strøm
537.5
Elektriske udladninger
537.6/.8
Magnetisme. Elektromagnetisme
537.6
Magnetisme
537.8
Elektromagnetisme. Elektromagnetisk felt. Elektrodynamik
538.9
Faststoffysik. Tæt stofs fysik (condensed matter)
539
Materialefysik
539.1
Kernefysik
539.2
Molekylsystemers struktur og egenskabe
539.3
Elasticitetslære
539.4
Styrkelære
539.5
Properties of materials affecting deformability
539.6
Adhæsion. Indre friktion
539.8
Højtryksfysik
54
Kemi
54-1/-4
Special auxiliary subdivision for state of substance, chemicals
54-1
State of substance
54-3
Particular kinds of compound
54-4
Chemicals. Reagents
54.01/.08
Special auxiliary subdivision for composition, production, preparation and analysis
54.01
Chemical substances and systems. Origin. Occurrence. Phases
54.02
Composition. Structure. Isotopes
54.05
Production. Preparation. Isolation. Purification etc.
54.06
Analysis, investigation and handling in general
54.07
Apparatus and equipment for preparation, investigation and analysis
54.08
Measurement principles, methods, techniques. Instrumentation
542
Kemisk laboratorieteknik
542.1
Chemical laboratories
542.2
Kemisk laboratorieudstyr
542.3
Measurement of weight, mass. Measurement of volume
542.4
Laboratorieovne
542.5
Use of flames. Blowlamps
542.6
Ekstraktion (kemilaboratorier)
542.7
Gasser, arbejde med (kemilaboratorier)
542.8
Physical, physicochemical and electrical operations
542.9
Chemical reactions. Special chemical processes
543
Analytisk kemi
543.2
Chemical methods of analysis
543.3
Vandanalyse
543.4
Optiske analysemetoder
543.5
Fysisk-kemiske analysemetoder
543.6
Analysis of different substances. Analytical control in production conditions
543.9
Analysis by biological and biochemical reactions. Biological methods used for analytical purposes
544
Fysisk kemi
544.01/.07
Special auxiliary subdivision for physical chemistry
544.01
Chemical substances and systems. Origin. Natural state. Phases
544.02
Chemical composition. Structure. Isotopes etc.
544.03
Physical properties and phenomena. Constants. Effects acting on state and properties of matter
544.07
Instruments and equipment
544.1
Chemical structure of matter
544.2
Physical chemistry of solids, liquids and gases
544.3
Chemical thermodynamics
544.4
Chemical kinetics. Catalysis
544.5
Chemistry of high energy processes
544.6
Electrochemistry
544.7
Chemistry of surface phenomena and colloids
546
Uorganisk kemi
546.1
Nonmetals and metalloids in general
546.3
Metals in general
547
Organisk kemi
547.1
Classification of organic compounds. Element-organic compounds
548/549
Mineralogical sciences. Crystallography. Mineralogy
548
Krystallografi
548.1
Mathematical crystallography. Continuum theory of crystals
548.2
Crystal growths. Crystalline aggregates
548.3
Krystalkemi
548.4
Krystaldefekter
548.5
Krystaldannelse
548.7
Krystalstruktur
549
Mineralogi
549.2/.8
Systematic mineralogy
549.2
Native elements and alloys
549.3
Sulphides. Sulpho-salts
549.4
Halides
549.5
Oxygen compounds
549.6
Silicates. Titanates. Zirconates. Stannates
549.7
Other compounds of oxyacids
549.8
Organic minerals
55
Geologi
550
Ancillary sciences of geology
550.1
Physiography
550.2
Geoastronomy. Cosmogony
550.3
Geofysik
550.4
Geokemi
550.7
Geobiology. Geological actions of organisms
550.8
Anvendt geologi og geofysik
550.93
Geochronology. Geological dating. Determination of absolute geological age
551
Almen geologi. Meteorologi
551.1/.4
General geology
551.1
General structure of the Earth
551.2
Indre geodynamik
551.21
Vulcanicity. Vulcanism. Volcanoes. Eruptive phenomena. Eruptions
551.24
Geotectonics
551.3
Ydre geodynamik
551.32
Glaciology
551.4
Geomorfologi
551.44
Speleology. Caves. Fissures. Underground waters
551.46
Physical oceanography. Submarine topography. Ocean floor
551.5
Meteorologi
551.58
Climatology
551.7
Historical geology. Stratigraphy
551.8
Palaeogeography
552
Petrografi
552.1
Rock characteristics and properties generally. Physical and physicochemical petrology
552.3/.6
Igneous, sedimentary and metamorphic petrology
552.3
Magmatic rocks. Igneous rocks
552.4
Metamorphic rocks
552.5
Sedimentbjergarter
552.6
Meteorites
553
Økonomisk geologi. Mineralforekomster
553.2
Ore formation. Mineral formation
553.3/.9
Ore and other mineral deposits. Natural resources
553.3
Ore deposits (metalliferous mineral deposits) in general. Iron and manganese ores
553.4
Ore deposits other than iron and manganese
553.5
Naturstensforekomster
553.6
Uorganiske mineraler og jordarter
553.7
Mineral springs
553.8
Deposits of precious and semiprecious stones. Gemstone deposits
553.9
Kul
556
Hydrologi
556.3
Grundvand
556.5
Overfladevand
56
Palæontologi
57
Biologi
57.01/.08
Special auxiliary subdivision for theoretical aspects, characteristics, factors, etc. in biology
57.01
General laws. Theoretical aspects. Characteristics. Properties
57.02
Biological and ethological processes
57.03
Pattern of property variations
57.04
Factors. Influences
57.05
Characteristics dependent on control processes. Principles of control processes at various levels
57.06
Nomenclature and classification of organisms. Taxonomy
57.07
Analytical palaeontology
57.08
Biological techniques, experimental methods and equipment in general
572
Antropologi
572.1/.4
Anthropogeny. Human development in general. Origin of the human species
572.9
Special anthropogeography. Individual human ancestry groups
573
General and theoretical biology
574
Økologi
575
Genetik
576
Cellelære biologi. Cytologi
577
Biokemi. Biofysik
578
Virologi
579
Mikrobiologi
579.2
General microbiology
579.6
Applied microbiology
579.8
Classification and systematics of microorganisms
58
Botanik
581
Almen botanik
581.1
Plantefysiologi
581.2
Plant diseases. Plant pathology. Phytopathology
581.3
Embryology of plants
581.4
Plant morphology. Plant anatomy
581.5
Økologi
581.6
Anvendt botanik
581.8
Plant histology
581.9
Geographic botany. Plant geography (phytogeography). Floras. Geographic distribution of plants
582
Systematisk botanik
582.091/.099
Special auxiliary subdivisions for classification of plants according to size and form
582.091
Trees (large woody plants with trunk)
582.093
Shrubs (smaller woody plants without single trunk)
582.095
Undergrowth. Undershrubs (e.g. brambles - Rosoideae)
582.097
Woody climbers (e.g. ivy - Araliaceae)
582.099
Herbaceous or non-woody plants (often called 'plants' or 'flowers')
582.23
Bacteria (as plants)
582.24
Protista (protists). Chromista
582.261/.279
Algae
582.28
Mykologi
582.29
Laver
582.32/.998
Plantae (plants)
582.32
Mosser
582.361/.99
Tracheophyta (vascular plants)
582.37/.39
Pteridophyta. Ferns. Fern allies. Fernlike spore plants
582.4
Spermatophyta (phanerogams / seed plants)
582.42/.49
Gymnosperms (naked seed plants)
582.44
Cycadophyta (cycads). Cycadopsida
582.46
Ginkgophyta. Ginkgoopsida. Ginkgoales
582.47
Pinophyta / Coniferae (conifers). Pinopsida
582.5/.9
Magnoliophyta (angiosperms / covered seed plants)
582.5
Monocotyledoneae / Liliopsida (monocotyledons / monocots)
582.51
Arecales (palms). Pandanales. Acorales. Petrosaviales
582.53
Alismatales
582.54/.56
Commelinids
582.54
Poales
582.56
Zingiberales
582.57
Liliales / Liliiflorae
582.58
Asparagales
582.6/.9
Dicotyledoneae / Magnoliopsida (dicotyledons / dicots)
582.62
Fagales
582.622
Betulaceae (birch family)
582.623
Fagaceae (beech family)
582.628
Juglandaceae (walnut family)
582.63
Rosales
582.634
Moraceae (mulberry family)
582.637
Ulmaceae (elm family)
582.639
Rosaceae (rose family)
582.65
Nymphaeales. Ranunculales. Sabiales
582.66
Caryophyllales / Centrospermae
582.67
Magnoliids (scientifically outdated)
582.672
Piperales
582.673
Laurales
582.677
Magnoliales
582.68
Dilleniidae (scientifically outdated)
582.681
Malpighiales
582.682
Cucurbitales
582.683
Brassicales / Capparidales / Capparales
582.685
Malvales
582.688
Ericales
582.7
Rosidae (rosids)
582.70
Saxifragales
582.73
Fabales
582.74
Sapindales
582.75
Geraniales
582.77
Myrtales
582.79
Apiales
582.82
Vitales
582.9
Asteridae (asterids)
582.92
Gentianales
582.93
Solanales
582.94
Lamiales
582.99
Asterales
59
Zoologi
591
General zoology
591.1
Animal physiology
591.2
Diseases of (undomesticated) animals. Animal pathology
591.3
Animal embryology. Animal ontogeny. Development of the individual organism
591.4
Study of animal organs. Animal organology. Animal anatomy. Zootomy
591.5
Animal habits. Animal behaviour. Ecology. Ethology. Animal and environment. Bionomy
591.6
Economic zoology. Applied zoology
591.8
Animal histology
591.9
Geographic zoology. Zoogeography. Fauna. Geographic distribution of animals
592/599
Systematic zoology
592
Invertebrata (invertebrates)
593.1
Protozoa
593.4
Porifera (sponges)
594
Mollusca. Bryozoa. Brachiopoda
595
Articulata
595.7
Hexapoda. Insecta (insects)
596/599
Chordata
596.2
Tunicata / Urochordata (tunicates)
597/599
Vertebrata (vertebrates)
597.2/.5
Pisces (fishes) (scientifically outdated)
597.3
Chondrichthyes (cartilaginous fishes)
597.31
Elasmobranchii
597.311
Galeomorphii
597.317
Batoidea
597.4/.5
Osteichthyes (bony fishes)
597.42/.55
Actinopterygii (ray-finned fishes)
597.42
Chondrostei
597.5
Teleostei (teleosts)
597.535
Anguilliformes
597.541
Clupeiformes
597.55
Euteleosti / Euteleostei
597.551
Ostariophysi
597.552
Protacanthopterygii
597.555
Paracanthopterygii
597.556
Acanthopterygii (spiny finned fishes)
597.6/.9
Amphibia (amphibians)
597.7
Gymnophiona (caecilians)
597.8
Anura (tailless amphibians)
597.9
Caudata (tailed amphibians)
597.91
Sirenidae
597.94
Salamandridae
598
Krybdyr. Fugle
598.1/.2
Sauropsida
598.1
Reptilia (reptiles)
598.125
Testudinidae (tortoises)
598.16
Squamata (scaled reptiles)
598.161
Lacertilia (lizards)
598.162
Serpentes / Ophidia (snakes, serpents, ophidians)
598.166
Amphisbaenia (worm-lizards)
598.18
Crurotarsi
598.182
Crocodylomorpha
598.19
Avemetatarsalia (extinct)
598.191
Pterosauria (pterosaurs ) (extinct)
598.192
Dinosauria (dinosaurs) (extinct)
598.192.32
Tyrannosauridae (extinct)
598.192.63
Diplodocidae (extinct)
598.192.77
Ceratopsidae (extinct)
598.2
Aves (birds)
598.221
Struthioniformes (ratites)
598.231
Sphenisciformes. Spheniscidae (penguins)
598.233
Podicipediformes. Podicipedidae (grebes)
598.234
Procellariiformes
598.235
Pelecaniformes
598.24
Gruiformes. Charadriiformes. Ciconiiformes
598.241
Gruiformes
598.243
Charadriiformes
598.244
Ciconiiformes
598.25
Anseriformes
598.26
Galliformes. Columbiformes
598.271
Psittaciformes
598.272
Piciformes
598.274
Cuculiformes. Opisthocomiformes
598.279
Cathartiformes. Accipitriformes. Falconiformes. Strigiformes
598.282
Menuridae. Maluridae. Pardalotidae. Meliphagidae. Promeropidae. Callaeidae
598.283
Alaudidae
598.284
Hirundinidae
598.285
Motacillidae
598.286
Pycnonotidae. Aegithalidae. Acrocephalidae
598.287
Bombycillidae. Dulidae. Ptilogonatidae. Hypocoliidae
598.288
Cinclidae. Troglodytidae. Mimidae. Prunellidae. Turdidae. Silviidae. Muscicapidae. Timaliidae
598.289
Paridae. Sittidae. Certhiidae. Orthonychidae
598.291
Nectariniidae (sunbirds). Zosteropidae (white-eyes). Dicaeidae (flowerpeckers). Dicruridae (drongos). Monarchidae (monarch flycatchers). Pachycephalidae (whistlers)
598.292
Oriolidae (orioles). Laniidae (true shrikes). Irenidae (fairy-bluebirds). Regulidae (crests). Picathartidae (rockfowls)
598.293
Corvidae. Paradisaeidae (birds of paradise). Ptilonorhynchidae (bowerbirds). Climacteridae. Artamidae. Corcoracidae
598.294
Sturnidae. Passeridae. Ploceidae. Estrildidae
598.296
Fringillidae. Parulidae. Thraupidae. Emberizidae. Icteridae
599
Pattedyr
599.1
Prototheria
599.2
Metatheria
599.22
Diprotodontia
599.3/.8
Eutheria (placental mammals)
599.31
Pholidota. Xenarthra
599.311
Pholidota / Squamata. Manidae
599.312
Xenarthra / Edentata (xenarthrans / edentates)
599.32
Rodentia. Lagomorpha
599.322
Sciuromorpha. Castorimorpha. Anomaluromorpha
599.324
Hystricomorpha
599.325
Lagomorpha (lagomorphs)
599.35/.38
Insectivora (insectivorous mammals)
599.36
Soricomorpha. Erinaceomorpha
599.39
Dermoptera. Cynocephalidae
599.4
Chiroptera (bats)
599.5
Cetacea. Sirenia
599.51
Mysticeti (baleen whales)
599.53
Odontoceti (toothed whales)
599.55
Sirenia (sirenians / sea cows)
599.61/.73
Ungulata (ungulates / hoofed mammals)
599.61
Proboscidea (proboscideans)
599.62
Hyracoidea. Procaviidae
599.68
Tubulidentata. Orycteropodidae
599.72
Perissodactyla (odd-toed ungulates)
599.721
Tapiridae (tapirs)
599.722
Rhinocerotidae (rhinoceroses)
599.723
Equidae
599.73
Artiodactyla (even-toed ungulates)
599.735
Ruminantia (ruminants)
599.74
Carnivora (carnivorans)
599.742.5
Viverridae
599.742.6
Hyaenidae
599.742.7
Felidae
599.743
Herpestidae. Eupleridae. Nandiniidae
599.744
Canidae. Ursidae. Musteloidea
599.745
Pinnipedia
599.78
Scandentia (treeshrews)
599.8
Primates
599.81
Prosimii (prosimians)
599.813
Lorisidae / Loriidae
599.815
Lemuridae. Lepilemuridae
599.818
Tarsiiformes. Tarsiidae (tarsiers)
599.82/.89
Simiiformes (simians)
599.82
Platyrrhini (New World monkeys)
599.85
Cercopithecoidea. Cercopithecidae
599.88/.89
Hominoidea
599.88
Hylobatidae (lesser apes)
599.89
Hominidae (hominids / great apes)
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