Keyphrases
Annealing
100%
Polyimide
100%
Molecular Structure
100%
Gas Separation Performance
100%
Natural Gas Purification
100%
Structure Separation
100%
Thermally Labile
100%
Molecular Gas
100%
CH4 Selectivity
75%
Under Air
50%
Polyimide Membrane
50%
CH4 Gas
50%
Ferrocene
50%
Gas Test
50%
CO2 Plasticization
50%
High Stability
25%
Thermal Annealing
25%
Gas Mixture
25%
Structural Change
25%
Enhanced Resistance
25%
Mechanical Strength
25%
As-cast
25%
Pure Gas
25%
Annealing in Air
25%
Characterization Techniques
25%
Gel Content
25%
High Mechanical Strength
25%
PI Membrane
25%
Binary Gas
25%
Engineering
Separation Performance
100%
Gas Fuel Purification
100%
Natural Gas
100%
Methane
100%
Plasticisation
40%
Resistance Test
20%
Gas Mixture
20%
Material Science
Polyimide
100%
Natural Gas
100%
Molecular Structure
100%
Annealing
33%
Thermogravimetric Analysis
33%
Gas Mixture
33%
Chemical Engineering
Polyimide
100%
Methane
100%