利用光学膜系设计软件（TFCalc）,设计出空间用GaInP/（In）GaAs/Ge三结太阳电池的分布式布拉格反射器（DBR）。实验结果表明由15对Al0.2Ga0.8A......

目的 探讨药物三联疗法联合双歧杆菌乳杆菌三联活菌对船员幽门螺杆菌(helicobacter pylori,Hp)根除治疗中的疗效.方法 根据患者意......

Since the formal deductive system L{}*was built up in 1997, it has played important roles in the theoretical and applied......