Polythematic Structured Subject Heading System
Toggle navigation
Home
Advanced search
About...
My account
0-9
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
Home
O
:
441
terms
oak
USE
deciduous trees
oats
obesity
object
object activity
object oriented databases
object programmes
USE
object programming
object programming
object thinking
object-oriented programming
objective cognition
objective conceptions
objective evaluation
USE
philosophy of values
objective function
objective psychology
objectives
obligation to support
USE
maintenance obligation
obligations
obligations of nationals
USE
foreign exchange control
obligatory bank reserves
USE
bank reserves
obligatory education
USE
education
oblique impact
USE
impact of bodies
obscurations
obscure binary stars
USE
double stars
observability of systems
observance of law
USE
legal conscience
observation
observation wells
USE
wells (water)
observational conditions
observatories
obsession
obsessive behaviour
USE
obsession
obstetrical and gynaecological surgery
obstetrics
occasional assets
USE
assets
occasional graphics
USE
applied graphic arts
occult psychology
USE
parapsychology
occupation
occupational administration
occupational diseases
occupational health
occupational lung diseases
occupational medicine
occupational personal protective devices
occupational safety and health
occupational therapy
ocean basin
ocean bottom expansion
ocean crust
ocean surface shape
ocean thermal zones
oceanic climate
oceanic currents
Oceanic languages
USE
Austronesian languages
oceanographic maps
oceanography
oceanology
USE
oceanography
oceans
OCR
USE
optical character processing
octane
oculars
odes
USE
lyric poetry
odontometry
oestrus
USE
reproduction of animals
oestrus synchronization
USE
reproduction of animals
off-balance sheet account
USE
accounts
offence against property
USE
crime against property
offence against public order
offer
office buildings
office equipments
USE
office machines
office furniture
office machines
office rooms
office supplies
official accounts
official books
official Marxism
official sources
offset
USE
planographic printing
offshore transport
ohmic resistance
USE
resistors
ohmmeters
Ohm´s law
oil
oil colours
USE
artist colours
oil crops
oil dome
oil paintings
USE
painting
oil paints
oil pipes
oil producing factories
oil transformers
USE
transformers
oil waste water
USE
industrial waste water
oilbearing sediments
oilbearing structure
oils
oilseed crops
USE
oil crops
old age sociology
USE
gerontosociology
Old Catholic Church
Old Church Slavonic language
USE
Slavonic languages
old editions
old glass
USE
glass
old literature
old star types
USE
stars
old stars
USE
stars
Old Testament
Old Testament apocryphs
USE
non-canonical books
Old-Slavonic language
USE
Slavonic languages
olefins
USE
alkenes
olfactory organs
USE
sense organs
oligarchy
oligomers
oligophreny
oligopoly
oligosaccharides
olympic games
olympic movement
ombrometer
USE
raingauges
ombudsman
USE
public defender of rights
on-board service
oncology
ondometers
USE
wavemeters
one party system
one real variable functions
one-room flats
USE
apartments
one-track motor vehicles
one-track vehicles
onions
USE
bulbous vegetables
onium compounds
USE
hypotonics
online catalogues
online information systems
Onsager´s relations
ontogenesis of mentality
USE
child psychology
ontogeny
ontological dualism
ontological pluralism
USE
ontology
ontology
oolitic structure
Oort's cloud
USE
interplanetary matter
Op Art
OPAC
USE
online catalogues
open access
open air grounds
open clusters
USE
clusters of stars
open die forging
open dies
open grounds
USE
open air grounds
open lakes
USE
river lakes
open loop control
USE
control theory
open mapping
open mapping theorems
open oscillator
USE
oscillators
open rolling mills
USE
rolling trains
open society
open source
USE
open source software
open source software
open systems
open universities
USE
universities
open-cast mining
USE
surface mining
open-hearth furnaces
open-hearth steel
opencast quarry mining
openings
opera
operating points
operating points adjustment
operating system process management
operating systems
operation
operation insurance
USE
insurance
operation of a statute
USE
legal rules
operational amplifiers
operational calculation
operational codes
operational records
operational research
USE
operations research
operational surgery
operationism
operations
operations research
operative techniques
operator calculus
operator equations
operator theory
operetta
ophitic structure
ophtalmology
opinion
opinion polls
opium alkaloids
USE
analgesics
opportunistic infections
optic anisotropy
USE
birefringence of light
optic bistability
optic cables
optic fibres
optic glass
optic holography
USE
holography
optic illusions
USE
sensory illusions
optic instruments
1
2
3
Next »