Second, the external proton beam is better monitored by RBS. 采用RBS方法监测外束束流;
Using external proton beam induced X-ray emission ( PIXE ) technique, theelemental concentrations in the structures of connective tissue corelated to acupointswere determined. 采用外束质子激发X荧光发射技术测定了与穴位位置相对应的结缔组织结构中元素浓度的特异性分布。