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......

Six kinds of beryllium powders with different particle sizes (4 ～ 15 μm) and low oxygen prepared by impactgrinding were ......

Pioneering work on Sc or/and Be added Mg-Li alloys with refined grains was initiated. Various rolling-based thermo-mecha......

We have develop an effective frozen core approximation to calculate energy levels and ionization enegies of the berylliu......