{"aspect_id":"AS47","aspect_name":"luminous-efficacy","aspect_reference":null,"aspect_symbol":"\\nu_\\mathrm{V}","name":"luminous-efficacy lumen per watt","scale_id":"SC1301","scale_name":null,"scale_symbol":null,"scale_type":"ratio","symbol":"\\nu_\\mathrm{V} lm.W-1","unit_id":"UN243","unit_name":"lumen per watt","unit_reference":null,"unit_symbol":"lm.W-1"}