In argon (ar) gas, nanocrystalline silicon films are prepared by pulsed laser ablation. The influence of ambient pressure on surface morphology of nanocrystalline silicon film is studied.
采用脉冲激光烧蚀技术在氩气环境下制备了纳米硅薄膜，研究了环境气体压强对纳米硅薄膜表面形貌的影响。
Laser ablation of pure copper was investigated using photoacoustic signals excited in surrounding air when a pulsed-laser beam impinges a metallic surface.
利用脉冲激光束轰击金属样品表面时在周围空气中激发的光声信号研究了纯铜的激光烧蚀。
The laser ablation principle and outstanding advantage in nano-particle and nano-film preparation, as well as laser quenching, laser cladding and laser surface alloying were presented.
重点介绍了激光消融法制备纳米颗粒、薄膜的原理、特点段激光淬火、激光表面熔敷和激光表面合金化等材料表面改性技术。
The indication of laser ablation for the anterior surface membrane and the cause of postoperative recurrence on the anterior surface were discussed.
讨论了激光切除前膜的适应证及术后前膜复发的因素。
The indication of laser ablation for the anterior surface membrane and the cause of postoperative recurrence on the anterior surface were discussed.
讨论了激光切除前膜的适应证及术后前膜复发的因素。
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