{"aspect_id":"AS108","aspect_name":"thermal-conductivity","aspect_reference":null,"aspect_symbol":null,"name":"thermal-conductivity British thermal unit (th) inch per second square foot degree Fahrenheit","scale_id":"SC940","scale_name":null,"scale_symbol":null,"scale_type":"ratio","symbol":"None Btu_{th}.in.(s.ft2.\u00b0F)-1","unit_id":"UN981","unit_name":"British thermal unit (th) inch per second square foot degree Fahrenheit","unit_reference":null,"unit_symbol":"Btu_{th}.in.(s.ft2.\u00b0F)-1"}