Engineering & Materials Science
Coal
100%
Coal bed methane
58%
Shale
45%
Sorption
42%
Gases
31%
Pore structure
30%
Adsorption
28%
Neutron scattering
20%
Desorption
15%
Shale gas
15%
Methane
14%
Porosity
14%
Rocks
14%
Nanopores
13%
Swelling
13%
Nuclear magnetic resonance
12%
Water
11%
Liquid nitrogen
11%
Anthracite
10%
Coal mines
10%
Fracturing fluids
9%
Pore size
9%
Recovery
9%
Hydraulic fracturing
9%
Fluids
8%
Minerals
8%
Gas adsorption
7%
Freezing
7%
Diffusion in gases
7%
Characterization (materials science)
7%
Cryogenics
6%
Water vapor
6%
Fractal dimension
5%
Nanoindentation
5%
Compressibility
5%
Temperature
5%
Bituminous coal
5%
Gas permeability
5%
Experiments
5%
Helium
5%
Liquids
5%
Earth & Environmental Sciences
coal
51%
coalbed methane
28%
shale
22%
sorption
21%
gas
21%
permeability
21%
adsorption
14%
methane
11%
swelling
10%
neutron scattering
9%
experimental study
9%
gas production
8%
matrix
8%
gas transport
7%
fluid
7%
porosity
7%
rock
6%
modeling
6%
desorption
6%
in situ
6%
coal seam
5%
water vapor
5%
compression
5%
anthracite
5%
nitrogen
5%
hydraulic fracturing
5%
microstructure
5%
Chemical Compounds
Coal
88%
Methane
34%
Gas
27%
Pore
21%
Permeability
19%
Pore Structure
17%
Pressure
11%
Adsorption
9%
Diffusion
9%
Small Angle Neutron Scattering
7%
Flow
7%
Diffusion Coefficient
6%
Porosity
6%
Liquid
6%
Strain
6%
Nitrogen
5%
Cryogenics
5%