兰州化学工业公司化工自动化研究所的同志为我厂研制的FDC-3型β射线厚度计,自安装以来,一直在现场使用。经过四年多的时间,该仪表电气性能稳定可靠,测量准确,在生产中发挥了有效的作用。对于放射性同位素仪表,现场操作同志及有关人员都有点顾虑,感到射线会损害人 Lanzhou Chemical Industry Corporation, Institute of Chemical Engineers comrades developed for our plant FDC-3-type β-ray thickness meter, since installation, has been in the field. After more than four years, the instrument electrical performance is stable and reliable, accurate measurement, has played an effective role in the production. For radioisotope instruments, field operations comrades and related personnel are a little worried that the ray will damage people