GSO ISO 7004:2015
摄影 工业射线照相胶片 暴露于 X 射线和伽马射线时 ISO 速度、平均 ISO 等级以及 ISO、G2 和 G4 等级的测定

Photography -- Industrial radiographic films -- Determination of ISO speed, ISO average gradient and ISO gradients G2 and G4 when exposed to X- and gamma-radiation


 

 

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标准号
GSO ISO 7004:2015
发布
2015年
发布单位
GSO
当前最新
GSO ISO 7004:2015
 
 
适用范围
This International Standard specifies methods for determining sensitometric curve shape, ISO speed, ISO average gradient and ISO gradients G2 and G4 for industrial radiographic systems consisting of film and film processing when exposed directly to X-rays and γ-rays. The measurement of characteristics of film systems used in industrial radiography with fluorescent intensifying screens is not specified in this International Standard. NOTE Units of measured energy are given for information in annex A.

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