| 1. | Principles of laser devices design
激光器件原理与设计 |
| 2. | The paper introduced the principle of laser remanufacturing , the analysis and measurement method of temperature field in laser molten pool , and development of it in the world
本文就激光再制造的原理，温度场分析解法以及检测方法作了介绍，并综述了国内外发展现状。 |
| 3. | In this paper the principle of laser triangulation technique is described , the related formulae are derived , the factors wihich affect the measurements accuracy of triangulation technique are analysed
摘要阐明了激光三角测量的原理，推导了有关的公式，对影响测量精度的诸因素进行了分析。 |
| 4. | Firstly the interactional principle of laser and material , the physical and chemical properties of the thermoplastic plastic is studied in theory , and the laser sintering mechanism of powder is also studied
首先从理论上分析了激光与材料相互作用原理和热塑性塑料的物理、化学性质，并且研究了粉末激光烧结机理。 |
| 5. | In the displacement measurement based on the principle of laser interference , the gaussian quadrics fitting algorithm is used to fix the central position of facula and raise the location accuracy
在基于两球面波干涉的长度和距离测量实验中,运用高斯二次曲面拟合算法为激光光斑的中心坐标定位,提高了光斑的定位精度。 |
| 6. | Firstly , this paper introduces the principles of laser ultrasonic generation , thermoelastic excitation theory and the ablation excitation theory . besides , it briefly presents the other excitation theories in solids
本文首先阐述了激光超声的热弹激发机理和烧蚀激发机理，并分析和比较了激光超声各种波形的特点。 |
| 7. | The application of lasers for print plate fabrication plays an increasingly important role in preprinting area . the process principle of laser engraving technology in gravure was discussed
摘要作为一种高能量，高性能的记录工具，激光已经在凹印制版领域发挥着日益重要的作用。主要对激光雕刻凹版制版技术的原理及其工艺进行了研究。 |
| 8. | Based on the principles of laser - induced ultrasonic generation and detection , the structure of the laser ultrasonic detection system is presented , and its availability is testified by several experiments
在此基础上，本文介绍了激光超声检测系统的基本结构及工作原理，并通过实验证实了利用激光超声技术对金属进行无损检测的可行性和有效性。 |
| 9. | Abstract : in this paper , the principle of laser transformation hardening ( lth ) is introduced , what lth who raises life of metallic materialc is aimed at is discussed , and then we study the mechanism to enhance life of metallic matrerials
文摘:介绍了激光热处理的原理，并讨论其提高金属材料寿命的针对性，进而研究激光相变硬化提高材料寿命的机理。 |
| 10. | It was based on the principle of laser confocal microscope . and the two - dimensional scanning configuration was adopted by the optical scanner and the telecentric linear imaging objective lens of large numerical aperture to realize x - direction ' s scanning , and the conventional mechanical method using linear driver and linear guide track to y - direction ' s . the experiment results indicate that the device can run smoothly and rapidly , be operated easily and detect fluorescence effectively
仪器基于激光共焦显微镜的理论，采用振镜和远心线性成像物镜实现x向扫描；精密导轨和步进电机实现y向扫描的检测仪，经验证，扫描仪具有快速、操作简单、检测芯片能力良好等特征，有望弥补市场的空缺。 |
