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Keyphrases
Mars
100%
Nitrogen Cycle
100%
Active Nitrogen
100%
Subsurface Biosphere
100%
Nitric Acid
85%
Thin Liquid Film
57%
Martian Surface
42%
Atmospheric Nitrogen
42%
Fixed Nitrogen
28%
NO 2
28%
Nitrogen Species
28%
No. 3
28%
Nitrogen Deficiency
28%
Mars Surface
28%
Energy Increase
14%
Mass Ratio
14%
Nitrogen Content
14%
Energy Sources
14%
Dissociation
14%
Nitrogen Oxides
14%
Gas Phase
14%
Reaction Pathway
14%
Lower Limit
14%
Steady-state Value
14%
Pure Water
14%
Nitrogen Fixation
14%
Downward Transport
14%
Condensed Phase
14%
Phase Simulation
14%
Ice Cover
14%
Low Depth
14%
Covered Regions
14%
Total Biomass
14%
Available Nitrogen
14%
Gibbs Free Energy Change
14%
Mars Atmosphere
14%
Reservoir Species
14%
Lower Atmosphere
14%
Earth and Planetary Sciences
Nitrogen Cycle
100%
Nitrogen
100%
Atmospherics
33%
Protective Atmosphere
33%
Lower Atmosphere
11%
Mass Ratio
11%
Nitrogen Oxide
11%
Vapor Phase
11%
Nitrogen Fixation
11%
Transportation
11%
Gibbs Free Energy
11%
Material Science
Protective Atmosphere
100%
Thin Liquid Film
100%
Nitrogen Oxide
25%
Gibbs Free Energy
25%
Physics
Nitrogen
100%
Atmospherics
25%
Protective Atmosphere
16%
Mars Surface
16%
Mass Ratio
8%
Steady State
8%
Vapor Phase
8%
Nitrogen Oxide
8%
Lower Atmosphere
8%
Mars Atmosphere
8%
Gibbs Free Energy
8%
Transportation
8%