Keyphrases
Coal Rank
100%
Radical Formation
100%
Weather Effects
100%
Stable Radicals
100%
Radical Concentration
100%
Oxidation Mechanism
66%
Carbon Radicals
66%
Bituminous Coal
66%
Low-temperature Oxidation
66%
Chemical Adsorption
66%
Sub-bituminous
66%
Low-rank Coal
66%
High-rank Coal
66%
Oxidation Reaction
33%
Continuous Wave
33%
Structural Change
33%
Macromolecules
33%
Oxides
33%
Lignite
33%
Radical Reactions
33%
Molecular Oxygen
33%
Coal Surface
33%
Low Temperature Range
33%
Electron Paramagnetic Resonance
33%
Low Rank Lignite
33%
Air Atmosphere
33%
Physical Adsorption
33%
Oxygen Atom
33%
Adsorption Form
33%
Oxidation Treatment
33%
O2 Diffusion
33%
Atmospheric Oxygen
33%
Long-term Oxidation
33%
Higher Rank
33%
Engineering
Low-Temperature
100%
Coal Rank
100%
Lignite
66%
Bituminous Coal
66%
High-Rank Coal
66%
Lower Rank Coal
66%
Temperature Range
33%
Continuous Wave
33%
Radical Reaction
33%
Oxygen Atom
33%
Chemical Engineering
Low Rank Coal
100%
Chemisorption
100%
Carbon Dioxide
50%
Molecular Oxygen
50%