DIN 54109-1 : 1987被替代
NON DESTRUCTIVE TESTING, IMAGE QUALITY OF RADIOGRAPHS, TERMS, IMAGE QUALITY INDICATORS, DETERMINATION OF IMAGE QUALITY VALUE
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
1987 VERSION TRANSLATED INTO ENGLISH, DRAFT NOT YET TRANSLATED Specifies a standard method for determining the image quality of radiographs. The image quality, determined by indicators, allows an assessment of compliance with specified conditions for film processing and radiographic technique. The image quality indicator (IQI) has an arrangement of wires with different diameters. All IQI wires shall consist of the same material and shall be embedded in a protective covering which will not affect the image quality value by being to absorbent. Also covers the marking applied on the IQI.
