UNESCO Thesaurus: alphabetical list
Radio serials - Reading programmes
Radio serials USE Radio programmes
Radio stations
- MT 5.20 Information industry
- FR Station de radio
- SP Estación radiofónica
- UF Radio studios
- BT1 Broadcasting industry
- RT Radio engineering
Radio studios USE Radio stations
Radio transmitters USE TV/radio equipment
Radio universities USE Open universities
Radio waves
- MT 2.20 Physical sciences
- FR Onde radio
- SP Radioonda
- BT1 Electromagnetic waves
- BT2 Magnetism
- NT1 Microwaves
- RT Allocation of frequencies
- RT Antennas
- RT Data processing
- RT Radio engineering
Radioactive contamination USE Radioactive pollution
Radioactive fallout USE Radioactive pollution
Radioactive pollution
- MT 2.60 Pollution, disasters and safety
- FR Pollution radioactive
- SP Contaminación radiactiva
- UF Radioactive contamination, Radioactive fallout
- BT1 Pollution
- BT2 Environmental degradation
- RT Occupational diseases
- RT Radiation effects
- RT Radiation protection
- RT Radioactive wastes
- RT Radioactivity
Radioactive tracers
- MT 2.25 Chemical sciences
- FR Traceur radioactif
- SP Trazador radiactivo
- BT1 Radioisotopes
- BT2 Isotopes
- BT3 Chemical elements
- RT Radioactivity
- RT Radiobiology
- RT Radiochemistry
- RT Radiography
Radioactive wastes
- MT 2.60 Pollution, disasters and safety
- FR Déchet radioactif
- SP Desperdicio radiactivo
- UF Nuclear wastes
- BT1 Wastes
- BT2 Pollutants
- RT Dangerous materials
- RT Nuclear fuels
- RT Nuclear power stations
- RT Nuclear reactors
- RT Radioactive pollution
Radioactivity
- MT 2.20 Physical sciences
- FR Radioactivité
- SP Radiactividad
- BT1 Radiation
- BT2 Physical processes
- RT Cosmic radiation
- RT Electricity
- RT Elementary particles
- RT Nuclear physics
- RT Physical properties
- RT Radiation effects
- RT Radioactive pollution
- RT Radioactive tracers
- RT Radiobiology
- RT Radiochemistry
- RT Radioisotopes
- RT Ultraviolet radiation
- RT X-rays
Radiobiology
- MT 2.70 Biology
- FR Radiobiologie
- SP Radiobiología
- SN Biological effects of radiation.
- BT1 Biology
- RT Biophysics
- RT Physiological effects
- RT Radiation effects
- RT Radioactive tracers
- RT Radioactivity
- RT Radiochemistry
Radiocarbon dating
- MT 3.25 History
- FR Datation au radiocarbone
- SP Fechado por radiocarbono
- BT1 Dating
- BT2 Chronology
- BT3 Historical methods
- BT4 History
- RT Archaeological dating
- RT Geochronology
- RT Time measuring instruments
Radiochemistry
- MT 2.25 Chemical sciences
- FR Radiochimie
- SP Radioquímica
- UF Nuclear chemistry
- BT1 Physical chemistry
- RT Radiation
- RT Radioactive tracers
- RT Radioactivity
- RT Radiobiology
- RT Radioisotopes
Radiography
- MT 2.05 Scientific approach
- FR Radiographie
- SP Radiografía
- BT1 Scientific methods
- RT Crystallography
- RT Measurement
- RT Photography
- RT Radioactive tracers
- RT X-rays
Radioisotopes
- MT 2.25 Chemical sciences
- FR Radioisotope
- SP Radioisótopo
- BT1 Isotopes
- BT2 Chemical elements
- NT1 Radioactive tracers
- RT Medical technology
- RT Radioactivity
- RT Radiochemistry
Radium
- MT 6.55 Materials and products
- FR Radium
- SP Radio (metal)
- BT1 Metals
Rail safety USE Transport safety
Railway engineering USE Transport engineering
Railway stations
- MT 6.60 Equipment and facilities
- FR Gare ferroviaire
- SP Estación ferroviaria
- BT1 Transport infrastructure
- RT Trains
Railway transport
- MT 6.65 Services
- FR Transport ferroviaire
- SP Transporte ferroviario
- BT1 Transport
- RT Trains
Rain
- MT 2.45 Meteorology
- FR Pluie
- SP Lluvia
- UF Rainfall
- BT1 Precipitation
- BT2 Hydrometeorology
- RT Acid rain
- RT Snow
- RT Soil erosion
- RT Water resources
Rain making USE Weather modification
Rainfall USE Rain
Random access
- MT 5.40 Information technology (software)
- FR Accès aléatoire
- SP Acceso aleatorio
- UF Direct access
- BT1 File organization
- BT2 Computer programming
Random processes
- MT 2.15 Mathematics and statistics
- FR Processus aléatoire
- SP Proceso aleatorio
- UF Stochastic processes
- BT1 Probability theory
- BT2 Statistical mathematics
- BT3 Statistics
- RT Decision theory
- RT Information theory
- RT Operations research
- RT Time series
Rape USE Sexual abuse
Rare books
- MT 5.30 Information sources
- FR Livre rare
- SP Libro raro
- UF Antiquarian books, Incunabula
- BT1 Books
- RT Document preservation
- RT Documentary heritage
- RT Manuscripts
Rationalism
- MT 3.15 Philosophy and ethics
- FR Rationalisme
- SP Racionalismo
- BT1 Philosophical schools
- BT2 Philosophy
- RT Atheism
- RT Humanism
- RT Psychological schools
Rationalization
- MT 6.75 Organization and management
- FR Rationalisation
- SP Racionalización
- BT1 Management operations
- RT Decision making
- RT Problem solving
- RT Reasoning
Raw materials
- MT 6.55 Materials and products
- FR Matière première
- SP Materia prima
- BT1 Commodities
- RT Agricultural products
- RT Natural resources
- RT Production factors
Reading
- MT 5.10 Communication research and policy
- FR Lecture
- SP Lectura
- BT1 Communication skills
- BT2 Communication process
- NT1 Reading habit
- RT Writing
Reading ability
- MT 1.65 Educational evaluation
- FR Aptitude à la lecture
- SP Aptitud para la lectura
- BT1 Reading tests
- BT2 Educational testing
- BT3 Student evaluation
- BT4 Educational evaluation
- RT Ability
- RT Dyslexia
- RT Reading readiness
Reading guidance
- MT 5.15 Information management
- FR Orientation de lecture
- SP Orientación para la lectura
- BT1 Reading promotion
- BT2 Library extension
- BT3 Library use promotion
- RT Information user instruction
Reading habit
- MT 5.10 Communication research and policy
- FR Habitude de lecture
- SP Hábito de lectura
- BT1 Reading
- BT2 Communication skills
- BT3 Communication process
- RT Reading instruction
- RT Reading promotion
Reading instruction
- MT 1.45 Basic and general study subjects
- FR Enseignement de la lecture
- SP Enseñanza de la lectura
- BT1 Mother tongue instruction
- BT2 Basic study subjects
- NT1 Oral reading
- NT1 Speed reading
- RT Literacy
- RT Reading habit
- RT Reading materials
- RT Reading programmes
- RT Reading promotion
- RT Spelling instruction
Reading lists USE Reading materials
Reading materials
- MT 1.70 Educational facilities
- FR Matériel de lecture
- SP Material de lectura
- UF Reading lists
- BT1 Educational publications
- RT Reading instruction
- RT Teaching materials
Reading programmes
- MT 1.15 Educational planning
- FR Programme de lecture
- SP Programa de lectura
- BT1 Educational programmes
- RT Reading instruction
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