论文部分内容阅读
近年来 ,在多次参加省有关部门组织的压力容器制造厂制造资格换证审查工作中发现 ,射线检测底片的评定准确率很高 ,但检验质量合格率很低。存在的问题都有共同的特性 ,即简单地从底片上观察不易发现问题 ,因而往往被制造厂的评片员或监检部门的检验员忽视。在此 ,把这些问题提
In recent years, participated in many provinces in the pressure vessel manufacturing plant replacement certification review found that the evaluation of radiographic film negative high accuracy, but the test pass rate is very low quality. The existing problems all have the common characteristic that the problem is not easy to be observed simply from the negative film and thus often overlooked by the film maker or the inspectors in the inspection department of the manufacturer. Here, mention these questions