The German Postal Reform I in 1989 introduced competition in the mobile cellular market. German cellular operators, DeTe......

推导了用谐振子基展开体系波函数求解二体Schrodinger方程的方法;同时,用此方法对氘（2H）核进行计算研究,得到了比较满意的结果。......

The new parity value of π0 was determined according to the hypothesis of conservation of particle number. The theo-reti......

We reported previously the idea to improve reflection-ability of a magnetic mirror by installing a cyclotron resonance s......