Physics & Astronomy
fuel cells
85%
membranes
54%
conductivity
49%
nuclear magnetic resonance
29%
permeating
27%
poisoning
24%
low conductivity
23%
peroxides
23%
teflon (trademark)
21%
zeolites
21%
attack
20%
hydration
19%
glass fibers
19%
gels
14%
solid state
13%
carbon
12%
composite materials
11%
polymers
10%
temperature
5%
Engineering & Materials Science
Cell membranes
100%
Fuel cells
66%
Membranes
62%
Nuclear magnetic resonance
44%
Degradation
25%
Peroxides
24%
Zeolites
22%
Polytetrafluoroethylenes
21%
Hydration
20%
Gels
19%
Carbon
14%
Polymers
13%
Composite materials
10%
Temperature
7%
Costs
7%
Chemical Compounds
Conductivity
49%
29Si Solid-State Nuclear Magnetic Resonance Spectroscopy
27%
Poly(tetrafluoroethylene)
19%
Phosphorus-31 Magnetic Resonance Spectroscopy
18%
Degradation Rate
17%
Peroxide
16%
Resonance
14%
Gel
11%
Composite Material
9%
Carbon Atom
8%