{"id":"S2008004175","label":"Fixed bed reactors","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2008004175","normalized_label":"fixed bed reactors","broader":["http://id.loc.gov/authorities/subjects/sh85022953"],"aliases":["FBRs (Fixed bed reactors)"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2008004175","provider":"lcsh","revision":"cf7318471f05cad9","taxonomy_revision":"f050b5d4780b1289","title":"Fixed bed reactors","url":"/topics/S2008004175","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"4669331499227963940","address_version":"morton4x16-v1","coordinates":[0,478,48857,15360],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}