{"aspect_id":"AS151","aspect_name":"pressure-ratio-","aspect_reference":null,"aspect_symbol":null,"name":"pressure-ratio- pascal per pascal","scale_id":"SC1747","scale_name":null,"scale_symbol":null,"scale_type":"ratio","symbol":"None Pa.Pa-1","unit_id":"UN1660","unit_name":"pascal per pascal","unit_reference":null,"unit_symbol":"Pa.Pa-1"}