Physics & Astronomy
positrons
100%
particle emission
71%
tracers
57%
product development
49%
kinetic theory
35%
tomography
35%
shear flow
33%
imaging techniques
32%
scanners
31%
engineering
19%
pilot plants
15%
shear
15%
three dimensional flow
13%
triangulation
13%
conservation equations
13%
predictions
12%
shearing
11%
confining
11%
beads
11%
beds
10%
cyclotrons
10%
velocity distribution
8%
supersonic commercial air transport
8%
photons
8%
detectors
8%
cameras
7%
glass
6%
radioactivity
6%
cells
6%
Engineering & Materials Science
Positrons
69%
Kinetic theory
49%
Radioactive tracers
45%
Shear flow
43%
Process engineering
40%
Imaging techniques
25%
Cyclotrons
25%
Positron emission tomography
23%
Radioisotopes
20%
Tracers
19%
Medical applications
18%
Pilot plants
18%
Photons
13%
Detectors
13%
Triangulation
12%
Shearing
11%
Shear deformation
11%
Conservation
10%
Glass
8%
Mathematics
Imaging
37%
Engineering
27%
Particle Tracking
14%
Positron Emission Tomography
12%
Medical Applications
11%
Detector
10%
Engineering Application
9%
Review
6%
Range of data
5%