{"aspect_id":"AS128","aspect_name":"heat-density","aspect_reference":null,"aspect_symbol":null,"name":"heat-density British thermal unit (IT) per cubic foot","scale_id":"SC941","scale_name":null,"scale_symbol":null,"scale_type":"ratio","symbol":"None Btu_{IT}.ft-3","unit_id":"UN982","unit_name":"British thermal unit (IT) per cubic foot","unit_reference":null,"unit_symbol":"Btu_{IT}.ft-3"}