characteristic curve [ Hurter and Driffield curve | Hurter-Driffield curve | H-D curve | H and D curve | blackening curve ]
courbe caractéristique [ courbe de noircissement | courbe de Hurter et Driffield | courbe Hurter-Driffield | diagramme de Hurter-Driffield | diagramme H-D ]
Photography | Measurements of Electricity | Radiography (Medicine) | Mathematical Geography
Photographie | Mesures de grandeurs électriques | Radiographie (Médecine) | Géographie mathématique