Physics & Astronomy
membranes
100%
liquids
72%
selectivity
24%
molecular structure
18%
monomers
15%
sulfones
12%
engineering
12%
blowouts
12%
imides
12%
chemical engineering
11%
volatility
11%
bisphenols
11%
chromatography
10%
molten salts
10%
washing
10%
robotics
10%
microgravity
9%
exclusion
9%
ethers
9%
pressure drop
9%
economics
9%
positron annihilation
9%
spectroscopy
8%
carbon dioxide
8%
electric batteries
8%
installing
8%
anions
8%
catalysts
7%
performance
7%
thermal stability
7%
chemistry
7%
surface roughness
7%
cations
7%
electrolytes
7%
actuators
6%
transport properties
6%
prototypes
6%
impedance
6%
tuning
6%
porosity
6%
permittivity
5%
life (durability)
5%
carbon
5%
scanning electron microscopy
5%
causes
5%