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Photography—Sensitometry of screen/film systems for medical X-radiography—Part 1:Determination of sensitometric curve shape,speed and average gradient
IDT ISO 9236-1:2004
全国感光材料标准化技术委员会(SAC/TC 102)
GB/T 24791的本部分规定了医疗X射线照相中感光曲线形状、感光度与平均斜率以及屏/片/片夹/加工系统的测定方法。本测定方法不适于如乳腺X射线摄影术、牙科射线摄影术和直接曝光医疗放射照相系统等特殊放射照相(参见ISO 5799)。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,或者在医疗X线照相过程中使用的X射线成像暗盒。
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