This study is concerned with the experimental and theoretical investigation of the com-bustion instabilities in a premix......

设计并制备了一种基于非对称定向耦合结构的聚合物波导热光模式开关。该器件由一个单模波导和一个双模波导组成。在双模波导上制作......

　　Hybrid vehicles have two or more power sources.According to the different working conditions of each power source,th......