{"ob_id":60465,"names":[],"terms":[{"ob_id":144,"label":"units","value":"kg kg-1","vocabulary":""},{"ob_id":5901,"label":"var_id","value":"mmrnh4","vocabulary":""},{"ob_id":31028,"label":"standard_name","value":"mass_fraction_of_ammonium_dry_aerosol_particles_in_air","vocabulary":""},{"ob_id":59603,"label":"long_name","value":"NH4 mass mixing ratio","vocabulary":""}]}