{"ob_id":58236,"names":[],"terms":[{"ob_id":16782,"label":"units","value":"cm-3 um-1","vocabulary":""},{"ob_id":16809,"label":"long_name","value":"Particle number concentration dN/dD at STP, channel 21","vocabulary":""},{"ob_id":16810,"label":"var_id","value":"VACC_CH21","vocabulary":""}]}