Physics & Astronomy
photometry
100%
luminaires
65%
light emitting diodes
62%
photometers
29%
illuminating
24%
cameras
19%
detectors
17%
metrology
16%
life (durability)
14%
nitrogen
12%
Finland
12%
spectrophotometry
10%
solid state
10%
colorimetry
10%
irradiance
9%
light sources
8%
products
8%
lenses
8%
calibrating
7%
traffic control
7%
energy
7%
transmittance
7%
nonuniformity
6%
resources
6%
apertures
6%
purging
6%
European Union
6%
hollow
6%
filters
6%
adaptive control
5%
streets
5%
weighting functions
5%
goniometers
5%
illuminance
5%
theses
5%
research projects
5%
cross flow
5%
air
5%
rails
5%
diffusers
5%
sensitivity
5%
Engineering & Materials Science
Calcium
51%
Slags
46%
Steel
27%
Calcium carbonate
27%
Particle size analysis
18%
Molar concentration
15%
Dissolution
11%
Particle size
9%
Trace elements
7%
Surface reactions
7%
Reaction products
6%
Industrial wastes
6%
Carbonation
6%
Process engineering
6%
Leaching
6%
Steelmaking
6%
Process design
5%