Earth & Environmental Sciences
bitumen
84%
acid
48%
exposure
44%
elasticity
29%
asphaltene
27%
water
23%
conditioning
11%
moisture
8%
matrix
7%
networking
6%
stiffness
5%
resin
5%
spacing
5%
laboratory experiment
5%
environmental factor
4%
effect
4%
trend
2%
energy
2%
modeling
2%
Engineering & Materials Science
Acids
69%
Water
41%
Density functional theory
38%
Asphaltenes
32%
Elasticity
29%
Dimers
19%
Chain length
18%
Molecules
12%
Moisture
11%
Oligomers
9%
Resins
5%
Stiffness
4%
Composite materials
3%
Experiments
2%
Chemical Compounds
Bitumen
100%
Polyphosphoric Acid
99%
Density Functional Theory
14%
Length
7%
Shortening
6%
Oligomer
4%
Molecule
4%
Molecular Cluster
3%
Environment
3%
Composite Material
2%
Energy
2%
Reduction
2%