【摘要】 测定了原油X射线透照的等效系数;计算了充原油管道的当量透照厚度;确定了充原油管道环焊缝射线检测规范,并进行了试验,试验结果表明,用当量透照厚度来确定管电压的透照方法是可行的。更多还原

【Abstract】 X-radiographic equivalent factor of crude oil was measured and radiographic equivalent thicknesswas also calculated.The specifications for the circumferential welds in the pipes filled with crude oil were putforward.The experimental results show that the application of radiographic equivalent thickness to determiningtube voltage is feasible.更多还原