Keyphrases
Surface Modification
100%
Vapor Phase
100%
Ethylenediamine
100%
Polyimide Membrane
100%
Hydrogen Purification
100%
Mixed Gas
40%
Pure Gas
40%
CO2 Separation
40%
Separation Performance
40%
Gas Permeation Test
40%
Polymer Chain
20%
Membrane Structure
20%
Hollow Fiber Membrane
20%
X Ray Diffraction
20%
X-ray Photoelectron Spectroscopy
20%
DSPACE
20%
Novel Technique
20%
Physicochemical Properties
20%
Fourier Transform Infrared Spectroscopy (FT-IR)
20%
Attenuated Total Reflection
20%
Solution Approach
20%
Amide Group
20%
Imide Group
20%
Modification Strategies
20%
Gas Test
20%
CO Selectivity
20%
Modified Polyimide
20%
Industrial Hydrogen
20%
Ethylenediamine Pretreatment
20%
Large-scale Process
20%
Modification Mechanism
20%
Engineering
Gas Permeation
100%
Separation Performance
100%
Hollow-Fiber Membrane
50%
Reflectance
50%
Fourier Transform
50%
Imide Group
50%
Outer Surface
50%
Ray Diffraction
50%
Ray Photoelectron Spectroscopy
50%
Internals
50%
Polymer Chain
50%
Physicochemical Property
50%
Material Science
Polyimide
100%
Surface Treatment
100%
Membrane Structure
25%
X-Ray Diffraction
25%
X-Ray Photoelectron Spectroscopy
25%