Conclusion it is not suitable to produce 18f-by great beam current and shortirradiation time.
结论：采用大束流强度、短轰击时间生产大量的18f -不可取。
2
ObjectiveTo investigate short term effect of nasopharyngeal carcinoma treated by combined external irradiation and intracavitary brachytherapy of the high dose rate.
目的观察鼻咽癌外照射联合高剂量率腔内后装治疗的近期疗效和反应。
3
CONCLUSION: Millimeter wave and short-wave ultraviolet rays are much more effective than radiofrequency wave in the treatment of allergic rhinitis and ultraviolet irradiation is simple to perform.