Engineering. Technology in general. Universal Decimal Classification

Engineering. Technology in general 62

Broader Terms

BT↑ APPLIED SCIENCES. MEDICINE. TECHNOLOGY

More specific terms

NT3 62-1/-9 ↓ Special auxiliary subdivision for technology in general ►▼
- NT4 62-1 ↓ General characteristics of machines etc.
- NT4 62-2 ↓ Fixed and movable parts, components of machines
- NT4 62-3 ↓ Fluid control parts and drives. Valves, closures etc.
- NT4 62-4 ↓ State, condition, form of materials, surfaces, objects, products
- NT4 62-5 ↓ Operation and control of machines and processes
- NT4 62-6 ↓ Fuel and other heat-source characteristics of machinery and installations
- NT4 62-7 ↓ Devices for servicing, maintenance and protection of machines
- NT4 62-8 ↓ Machines according to motive power, propulsive force. Source of energy of machine
- NT4 62-9 ↓ Variables, conditions and characteristics of production processes, plant and equipment ►▼
  - NT5 62-91 ↓ State of material: characteristics and variables
  - NT5 62-92 ↓ Reactions in terms of reagents. Reagents
  - NT5 62-93 ↓ Processes, machines and equipment according to mode of working, continuity, associations, media
  - NT5 62-94 ↓ Direction, velocity, rate, duration of processes etc.
  - NT5 62-95 ↓ Simple and multiple processes. Single-stage and multistage processes
  - NT5 62-96 ↓ Processes in terms of altering product properties. Modification in general
  - NT5 62-97 ↓ Thermal characteristics. Temperature. Temperature range
  - NT5 62-98 ↓ Pressure. Pressure range
NT3 620 ↓ Materials testing. Commercial materials. Power stations. Economics of energy ►▼
- NT4 620.3 ↓ Nanotechnology
- NT4 620.9 ↓ Economics of energy in general
NT3 621 ↓ Mechanical engineering in general. Nuclear technology. Electrical engineering. Machinery ►▼
- NT4 621.1 ↓ Heat engines in general. Generation, distribution and use of steam. Steam engines. Boilers
- NT4 621.22 ↓ Hydraulic energy. Water power. Hydraulic machinery
- NT4 621.3 ↓ Electrical engineering
- NT4 621.4 ↓ Heat engines (except steam engines)
- NT4 621.5 ↓ Pneumatic energy, machinery and tools. Refrigeration
- NT4 621.6 ↓ Fluids handling, storage and distribution plant and techniques
- NT4 621.7 ↓ Mechanical technology in general: processes, tools, machines, equipment
- NT4 621.8 ↓ Machine elements. Motive power engineering. Materials handling. Fixings. Lubrication
- NT4 621.9 ↓ Working or machining with chip formation. Abrasive working. Hammers and presses
NT3 622 ↓ Mining ►▼
- NT4 622.1 ↓ Preliminary investigation. Mine surveying and mapping. Exploration of mineral deposits (surface and underground)
- NT4 622.2 ↓ Mining operations. Exploration, opening-up, development, working of mineral deposits
- NT4 622.3 ↓ Mining of specific minerals, ores, rocks
- NT4 622.4 ↓ Ventilation, air conditioning, heating and illumination of mines
- NT4 622.5 ↓ Mine drainage. Unwatering (dewatering)
- NT4 622.6 ↓ Haulage and handling. Hoisting. Winding. Surface transport
- NT4 622.7 ↓ Treatment, processing of minerals. Mineral dressing. Ore preparation
- NT4 622.8 ↓ Mining hazards, accidents and damage. Health protection and safety in mines
NT3 623 ↓ Military engineering ►▼
- NT4 623.1/.7 ↓ Land-based military engineering. Artillery ►▼
  - NT5 623.1/.3 ↓ Field engineering. Fortifications. Defence works ►▼
    - NT6 623.1 ↓ Fortresses. Permanent fortifications. Fortified lines, areas
    - NT6 623.2 ↓ Assault and defence works. Siege works. Field fortifications. Trench works
    - NT6 623.3 ↓ Land minefields. Field obstacles. Flooding
  - NT5 623.4 ↓ Armaments. Ordnance. Arms. Weapons. Guns. Artillery. Small arms. Side arms. Armoured and other service vehicles. Ammunition and war gases. Guided missiles and rockets
  - NT5 623.5 ↓ Ballistics. Gunnery. Theoretical and experimental problems
  - NT5 623.6 ↓ Field engineering equipment and operations. Lines of communication. Radar countermeasures. Military topography
  - NT5 623.7 ↓ Military and naval aviation. Air defence
- NT4 623.8/.9 ↓ Naval engineering ►▼
  - NT5 623.8 ↓ Naval construction. Naval bases. Warships and other vessels
  - NT5 623.9 ↓ Material and equipment of naval forces. Protection and armament of vessels. Submarine defences
NT3 624 ↓ Civil and structural engineering in general ►▼
- NT4 624.01/.07 ↓ Special auxiliary subdivision for civil and structural engineering ►▼
  - NT5 624.01 ↓ Structures and structural parts according to material and method of construction
  - NT5 624.03 ↓ Size, permanence, location and shape of structures
  - NT5 624.04 ↓ Structural design. Graphical and analytical statics for investigation and calculation of structures
  - NT5 624.05 ↓ Site, organization and plant. Construction methods
  - NT5 624.07 ↓ Structural elements. Load-bearing members
- NT4 624.1 ↓ Substructures. Earthworks. Foundations. Tunnelling
- NT4 624.21/.8 ↓ Bridge construction ►▼
  - NT5 624.3 ↓ Truss bridges (open-web, lattice girder bridges)
  - NT5 624.5 ↓ Cable bridges. Suspension bridges
  - NT5 624.6 ↓ Arch bridges
  - NT5 624.8 ↓ Movable bridges
- NT4 624.9 ↓ Superstructures (except bridges). Superstructures complete in themselves
NT3 625 ↓ Civil engineering of land transport. Railway engineering. Highway engineering ►▼
- NT4 625.1/.5 ↓ Railways. Tramways. Cableways ►▼
  - NT5 625.1 ↓ Railways in general. Permanent way. Track construction
  - NT5 625.5 ↓ Cable railways. Funicular railways. Suspension railways. Aerial ropeways and cableways. Telphers
- NT4 625.7/.8 ↓ Highway engineering ►▼
  - NT5 625.7 ↓ Highways in general. Roads. Carriageways. Streets. Rural and urban road systems
  - NT5 625.8 ↓ Hard surfacing of highways. Pavement, carpet or wearing course. Preparation and use of materials
NT3 626/627 ↓ Hydraulic engineering and construction. Water (aquatic) structures ►▼
- NT4 626 ↓ Hydraulic engineering in general ►▼
  - NT5 626.1 ↓ Inland navigable waterways. Canals. Canalized rivers
  - NT5 626.4 ↓ Locks
  - NT5 626.5 ↓ Lifting gear and inclined planes for vessels
  - NT5 626.8 ↓ Agricultural hydraulics. Irrigation, drainage and reclamation engineering
  - NT5 626.9 ↓ Maritime canals. Ship canals
- NT4 627 ↓ Natural waterway, port, harbour and shore engineering. Navigational, dredging, salvage and rescue facilities. Dams and hydraulic power plant ►▼
  - NT5 627.2 ↓ Ports, harbours and roadsteads: engineering and construction works in general
  - NT5 627.3 ↓ In-port facilities. Docks. Wharfs. Quays. Installations and equipment
  - NT5 627.4 ↓ River bank protection. Straightening of rivers and streams. Other river improvement works
  - NT5 627.5 ↓ Other waterway protection and improvement works. Dykes. Coast protection. Land drainage and reclamation
  - NT5 627.7 ↓ Navigational facilities. Channel maintenance. Marine salvage and rescue facilities
  - NT5 627.8 ↓ Dams. Hydraulic power plant works
NT3 628 ↓ Public health engineering. Water. Sanitation. Illuminating engineering ►▼
- NT4 628.1 ↓ Water supply. Water treatment. Water consumption
- NT4 628.2 ↓ Urban water removal. Town drainage. Sewerage
- NT4 628.3 ↓ Sewage. Treatment, disposal, utilization of sewage
- NT4 628.4 ↓ Urban hygiene. Wastes. Refuse. Rubbish. Garbage. Collection and disposal of town wastes
- NT4 628.5 ↓ Measures against industrial and other nuisances
- NT4 628.6 ↓ Drainage and sanitary installations of buildings (particularly public health requirements)
- NT4 628.8 ↓ Indoor climate. Air conditioning. Heating. Ventilating
- NT4 628.9 ↓ Lighting. Illumination engineering
NT3 629 ↓ Transport vehicle engineering ►▼
- NT4 629.01/.08 ↓ Special auxiliary subdivision for transport vehicle engineering ►▼
  - NT5 629.01 ↓ Vehicle design principles: characteristics, capabilities, tests
  - NT5 629.02 ↓ Vehicle structure, construction principles, general layout and parts
  - NT5 629.03 ↓ Propulsion systems
  - NT5 629.04 ↓ Interior layout: accommodation, installation, equipment for persons and freight
  - NT5 629.05 ↓ Guidance, control-initiation and navigation systems and instruments (vehicle-borne)
  - NT5 629.06 ↓ Vehicle auxiliary systems and devices
  - NT5 629.07 ↓ Technical aspects of vehicular operations. Operational techniques
  - NT5 629.08 ↓ Base equipment, installations and corresponding technical procedures
- NT4 629.3 ↓ Land vehicle engineering (excluding rail vehicles)
- NT4 629.4 ↓ Rail vehicle engineering. Locomotives. Rolling stock. Railway yards. Installations and services concerned with rolling stock
- NT4 629.5 ↓ Watercraft engineering. Marine engineering. Boats. Ships. Boatbuilding and shipbuilding
- NT4 629.7 ↓ Air and space transport engineering. Aeronautics and aircraft. Rockets and missiles. Astronautics and spacecraft

Español Cenozoico. Neozoico (70 MAAP - presente)
Portugüés Cenozóico. Neozóico (70 MAAP - presente)

ExactMatch: http://udcdata.info/040488

Date of creation

06-Mar-2019

Accepted term

06-Mar-2019

Descendant terms

111

ARK

ark:/99152/t315em53qwp7qk

More specific terms

Alternative terms

Related terms

Notes

Metadata

Search