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%
Energy Increase
14%
Lower Atmosphere
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%
Earth and Planetary Sciences
Atmospherics
100%
Nitrogen Cycle
100%
Lower Atmosphere
33%
Mass Ratio
33%
Nitrogen Oxide
33%
Vapor Phase
33%
Nitrogen Fixation
33%
Gibbs Free Energy
33%
Physics
Atmospherics
100%
Mass Ratio
33%
Steady State
33%
Vapor Phase
33%
Nitrogen Oxide
33%
Lower Atmosphere
33%
Mars Atmosphere
33%
Material Science
Thin Liquid Film
66%
Nitrogen Oxide
16%