为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

A proton therapy facility based on a linac injector and a slow cycling synchrotron is proposed.To achieve effective trea......

A proton therapy facility based on a linac injector and a slow-cycling synchrotron is proposed.To obtain good treatments......