介绍了国外最新开展的关于脉冲管制冷机的研究方向，无阀压缩机驱动的多级脉冲管制同，这种制冷机在未来的航天与军事方面有较大的应用......

A conventional technique for microfluidic droplet generation is Co-axial Flow Focusing(CFF)in which a contraction zone i......