Engineering & Materials Science
Nuclear magnetic resonance
72%
Activation energy
62%
Relaxation time
39%
Magnetic resonance measurement
26%
Energy barriers
23%
Carbon
22%
Polymers
22%
Protons
18%
Relaxation
14%
Rubber
13%
Characterization (materials science)
13%
Liquids
10%
Gases
8%
Temperature
6%
Experiments
5%
Physics & Astronomy
polyisobutylene
85%
butenes
78%
nuclear magnetic resonance
47%
activation energy
19%
relaxation time
10%
penetrants
9%
carbon
8%
methylene
8%
polymers
7%
rubber
6%
line shape
6%
formalism
4%
protons
4%
augmentation
4%
characterization
3%
liquids
3%
gases
3%
temperature
1%
energy
1%
Chemical Compounds
Poly(isobutylene)
100%
NMR Spectroscopy
40%
Diffusion
37%
Reaction Activation Energy
23%
Time
21%
Polymer Chain
14%
Nuclear Overhauser Effect Method
11%
Correlation Function
11%
Energy Barrier
8%
Carbon Atom
8%
Proton
5%
Pressure
4%
Liquid
4%
Gas
4%