那片星空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 Earth Sciences. Geological sciences
550 Ancillary sciences of geology etc.
550.1 Physiography
550.2 Geoastronomy. Cosmogony
550.3 Geophysics
550.4 Geochemistry
550.7 Geobiology. Geological actions of organisms
550.8 Applied geology and geophysics. Geological prospecting and exploration. Interpretation of results
550.93 Geochronology. Geological dating. Determination of absolute geological age
551 General geology. Meteorology. Climatology. Historical geology. Stratigraphy.
Palaeogeography
551.1/.4 General geology
551.1 General structure of the Earth
551.2 Internal geodynamics (endogenous processes)
551.21 Vulcanicity. Vulcanism. Volcanoes. Eruptive phenomena. Eruptions
551.24 Geotectonics
551.3 External geodynamics (exogenous processes)
551.32 Glaciology
551.4 Geomorphology. Study of the Earth's physical forms
551.44 Speleology. Caves. Fissures. Underground waters
551.46 Physical oceanography. Submarine topography. Ocean floor
551.5 Meteorology
551.58 Climatology
551.7 Historical geology. Stratigraphy
551.8 Palaeogeography
552 Petrology. Petrography
552.1 Rock characteristics and properties generally. Physical and physicochemical petrology
552.3/.6 Igneous, metamorphic and sedimentary rocks
552.3 Magmatic rocks. Igneous rocks
552.4 Metamorphic rocks
552.5 Sedimentary rocks
552.6 Meteorites
553 Economic geology. Mineral deposits
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 Natural stone deposits
553.6 Deposits of various inorganic economic minerals and earths (mainly nonmetalliferous)
553.7 Mineral springs
553.8 Deposits of precious and semiprecious stones. Gemstone deposits
553.9 Deposits of carbonaceous rocks. Hydrocarbon deposits
556 Hydrosphere. Water in general. Hydrology
556.3 Groundwater hydrology. Geohydrology. Hydrogeology
556.5 Surface-water hydrology. Land hydrology
56 Palaeontology
561 Systematic palaeobotany
561.4 Seed plants in general. Spermatophyta. Phanerogams. Siphonogamous embryophyta
561.7 Rosidae
561.9 Asteridae
562/569 Systematic palaeozoology
562 Invertebrata in general
564 Mollusca. Shellfish etc.
565 Articulata
565.7 Insecta (Hexapoda). Insects
566/569 Chordata
567/569 Vertebrata
567 Pisces: Fishes
568 Sauropsida
568.2 Aves. Birds in general
569 Mammalia. Mammals
57 Biological sciences in general
57.01/.08 Special auxiliary numbers 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
57.06 Nomenclature and classification of organisms. Taxonomy
57.07 Analytical palaeontology
57.08 Biological techniques, experimental methods and equipment in general
572 Physical anthropology
572.1/.4 Anthropogeny. Human development in general. Origin of the human species
572.9 Special anthropogeography. Inpidual human ancestry groups
573 General and theoretical biology
574 General ecology and biopersity
575 General genetics. General cytogenetics
576 Cellular and subcellular biology. Cytology
577 Material bases of life. Biochemistry. Molecular biology. Biophysics
578 Virology
579 Microbiology
579.2 General microbiology
579.6 Applied microbiology
579.8 Microorganisms. Bacteria
58 Botany
581 General botany
581.1 Plant physiology
581.2 Plant diseases. Plant pathology. Phytopathology
581.3 Embryology of plants
581.4 Plant morphology. Plant anatomy
581.5 Habits of plants. Plant behaviour. Plant ecology. Plant ethology. The plant and its environment. Bionomics of plants
581.6 Applied botany. Use of plants. Technobotany. Economic botany
581.8 Plant histology
581.9 Geographic botany. Plant geography (phytogeography). Floras. Geographic distribution of plants
582 Systematic botany
582.091/.099 Special auxiliary numbers 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
582.24 Protista (Protoctista). Chromista. Protozoa
582.261/.279 Algae. Phycology
582.28 Fungi (Eumycota, Eumycetes). True fungi. Moulds. Mycology
582.29 Lichens
582.32/.998 Plantae
582.32 Bryophyta (Musci). Bryology
582.36/.99 Tracheophyta. Vascular plants
582.37/.39 Pteridophyta. Ferns. Fern allies. Fernlike spore plants
582.4 Seed plants in general. Spermatophyta. Phanerogams. Siphonogamous embryophyta.
582.42/.47 Gymnospermopsida. Plants with naked seeds
582.5/.9 Angiospermae (Magnoliophyta). Angiosperms. Flowering plants. Covered-seed plants. Later seed plants
582.6/.9 Dicotyledonae (Magnoliopsida)
582.7 Rosidae
582.9 Asteridae
59 Zoology
591 General zoology
591.1 Animal physiology
591.2 Diseases of (undomesticated) animals. Animal pathology
591.3 Animal embryology. Animal ontogeny. Development of the inpidual organism
591.4 Study of animal organs. Animal organology. Animal anatomy. Zootomy
