用磁单负材料A和电单负材料B组成了(ABBA)N型一维光子晶体,利用传输矩阵法计算表明:在4500~7500nm间出现了3个塔姆态。这些塔姆态......

The alkaloid content of the leaves and stem bark of Xylopiaferruginea plant was isolated and tested for its antionrrosio......

Single GaAs/Al0.5Ga0.5As V-grooved quantum wire modified by selective ion-implantation and rapid thermally annealing was......

The effect of HCO3- concentration on CO2 corrosion was investigated by polarization measurement of potentiodynamic scans......

利用济南、青岛和烟台S波段双偏振多普勒天气雷达资料和常规观测资料以及天气实况,对2020年5月17日和6月1日两次强对流天气过程的......