Engineering & Materials Science
Molecular sieves
100%
Sol-gels
90%
Permeation
81%
Silica
70%
Characterization (materials science)
60%
Membranes
57%
Xerogels
35%
Hydrolysis
23%
Nitric acid
13%
Sol-gel process
13%
Nuclear magnetic resonance
11%
Pore size
11%
Activation energy
10%
Fractals
10%
Ethanol
9%
Gases
5%
Water
5%
Temperature
3%
Physics & Astronomy
absorbents
85%
gels
53%
silicon dioxide
52%
membranes
50%
characterization
38%
porosity
19%
xerogels
15%
hydrolysis
12%
nitric acid
7%
sol-gel processes
6%
ethyl alcohol
5%
fractals
4%
nuclear magnetic resonance
4%
activation energy
3%
energy
3%
water
3%
gases
2%
temperature
1%
Medicine & Life Sciences
Silicon Dioxide
78%
Polymethyl Methacrylate
78%
Gels
56%
Membranes
41%
silanol
18%
tetraethoxysilane
18%
Nitric Acid
15%
Fractals
13%
Hydrolysis
9%
Ethanol
8%
Gases
8%
Temperature
7%
Water
6%
Chemical Compounds
Molecular Sieve
69%
Pore
45%
Compound Mobility
26%
Hydrolysis
21%
Silicon-29 Magnetic Resonance Spectroscopy
20%
Silanol
18%
Energy
16%
Micro Porosity
15%
Nitric Acid
15%
Pore Size
14%
Sol Gel Process
13%
Dimension
12%
Reaction Activation Energy
11%
Ethanol
11%
Volume
9%
Gas
9%