{"aspect_id":"AS167","aspect_name":"power-density","aspect_reference":null,"aspect_symbol":null,"name":"power-density British thermal unit (IT) per square foot second","scale_id":"SC960","scale_name":null,"scale_symbol":null,"scale_type":"ratio","symbol":"None Btu_{IT}.(ft2.s)-1","unit_id":"UN1001","unit_name":"British thermal unit (IT) per square foot second","unit_reference":null,"unit_symbol":"Btu_{IT}.(ft2.s)-1"}