Photography—Sensitometry of screen/film systems for medical radiography—Part 3:Determination of sensitometric curve shape,speed and average gradient for mammography
IDT ISO 9236-3:1999
全国感光材料标准化技术委员会(SAC/TC 102)
GB/T 24791的本部分描述了乳腺X射线屏/片/片夹/加工系统的感光特性曲线形状、平均斜率与感光度的测定方法。片夹可以是任何形式，只要确保屏/片紧密接触，防止胶片被周围光线曝光即可。片夹可以是一种经常在实验中使用的不漏光的真空袋，或者在乳腺X射线照相过程中使用的X射线成像暗盒。
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