激光材料

Besides these, another conceptive design for wide energy rang electron spectrometer was expressed in this paper.

通过对绝缘材料和金属材料在激光作用下各种高能产物的差异的实验诊断，研究了靶材料对超热电子行为的影响。

Uses: Mainly used to high performance permanent-magnet,magneto optical material,ultraviolet absorbing glass,functional ceramic,colorant and decolorizer of glass.

用途： 主要用于高性能永磁、磁光材料、吸收紫外线玻璃、功能陶瓷、激光荧光材料、稀土生物材料、玻璃的着色剂及脱色剂。

From the angle of engineering application, this article analysed the corrosion characteristics and damage causes of the current structural used concrete in the region of Hangzhou gulf, on the basis of on-site survey of all the Marine concrete projects in that area. Taking HPC used in Marine as research objective, this article put great emphasis on the influence of the composition cementing material system to concrete performance, and make a preliminary probe into the action mechanism of the composite effects of various mineral materials in improving the performance of concrete by laser measuring size machine and EMPA. Through experiments, the article discussed how chloride ingression in concrete will be effected by such factors as exposure time, chloride binding, environment temperature, stress and cracks conditions; and also analysed the symptoms of these factors in the model of concrete service life prediction by conference to all related research reports both home and aboard. On the foundation of abovementioned research, this paper brought up an engineering model of service life prediction of marine concrete, which is based on chloride-induced corrosion.

本文从工程应用的角度，在对杭州湾地区既有海工混凝土工程作实地调研的基础上，研究分析杭州湾地区既有海工混凝土结构的腐蚀特点和破坏原因；以海工高性能混凝土为研究对象，着重研究复合胶凝材料体系对混凝土性能的影响，并应用激光粒度仪、EMPA等分析手段，就复合胶凝材料的作用机理进行初步探讨；试验研究混凝土暴露时间、胶凝材料对氯离子的吸附、环境温度、应力和裂缝状态等因素对混凝土中氯离子迁移运动的影响，并结合国内外相关研究报导，探讨这些因素在混凝土使用寿命预测模型中的表征；在上述研究基础上，提出以氯离子侵蚀为基础的海工混凝土使用寿命预测的工程应用模型。

Base on the design of the current laser energy meter, laser materials with better transparence, thicker absorbing layer and thermal sensitivity surface unsusceptible to damage were chosen, the temperature sensor and the digital processing circuit in the energy meter were redesigned to meet the requirements of laser energy metrology in field.

在现有激光能量计的基础上，通过选择相对透明、吸收层相对较厚、热敏面不易损伤的激光吸收材料，对激光能量计内置温度传感器及数字处理电路进行了重新设计，满足了不同温度条件下现场能量测量的需求。

The main achievments are as follows: Through failure analysis, it has been confirmed that the wear of cold working die made of Cr12 steel was resulted from the ununiform distribution of large M〓C〓 carbides in a relatively soft matrix of Cr12 steel.

研究工作的目的是用激光处理技术（激光相变硬化、熔凝和合金化处理）提高钢铁材料的表面的硬度和耐磨性，同时，研究激光处理的组织结构与性能的关。。。

As a special form of polymer, the perdeuterated polymer foams not only have the microporours structure and good capabilities as same as nondeuterated polymer foams, but have some particular characters, such as isotope effect, nonradioactivity, and high deuterated ratio. For those reasons, the perdeuterated polymer foams will be used in many fields, especially in inertial confinement fusion and low wastage plastic.

全氘代聚合物泡沫作为一类特种聚合物材料，不仅具有常规聚合物泡沫材料所具有的微孔形貌和良好的物理化学、机械力学等性能，而且还具有独特的同位素效应，以及非常高的氘代率等特征，且无放射性，因而在激光惯性约束聚变(Initial Confinement Fusion，ICF)热核靶材料，以及低损耗塑料光纤材料等研究领域中具有十分广泛的应用前景。

As a special form of polymer, the perdeuterated polymer foams not only have the microporours structure and good capabilities as same as nondeuterated polymer foams, but have some particular characters, such as isotope effect, nonradioactivity, and high deuterated ratio.

摘要全氘代聚合物泡沫作为一类特种聚合物材料，不仅具有常规聚合物泡沫材料所具有的微孔形貌和良好的物理化学、机械力学等性能，而且还具有独特的同位素效应，以及非常高的氘代率等特征，且无放射性，因而在激光惯性约束聚变(Initial Confinement Fusion，ICF)热核靶材料，以及低损耗塑料光纤材料等研究领域中具有十分广泛的应用前景。

This article is about a systematic research on the problem to use laser for hardening treatment of gun tube bore surface, including significant process, and it provides test data for laser treatment of gun tube meterial.

研究了激光用于火炮身管的内表面硬化处理问题，对实施工艺作了有意义的探讨，而且提供了对身管材料激光处理的实验数据，为激光热处理技术用于火炮提高身管的使用寿命进行了有益的工作

It is included the energy spectrum and angular distribution of hot electrons generated by ultrashort laser-solid interaction, the effect to electron behavior of electrical conductivity of target material, the hot electron activities and plasma characteristics in various plasma scale length, the rule of electron movement related to the high harmonic generation in gas, the excelled calculation about the condition of high harmonic generation, the study of electron spectrum and ion spectrum generated by Coulomb explosion in laser cluster interaction.

其中包括超短脉冲激光与固体靶作用中超热电子的能谱和角度分布，靶材料的电导率对电子行为的影响以及在不同的密度标长条件下超热电子和与电子相关的等离子体特征；超短脉冲激光与气体靶相互作用中与高次谐波相关的电子的具体运动规律和产生短波长高次谐波的优化条件；超短脉冲激光与团簇原子相互作用中通过对电子的隧道电离而引起的库仑爆炸等。

Laser Cladding Rapid Forming is a new developed technology on the basis of laser cladding and rapid forming in the recent years. In LCRF the substrate and the metallic powder fed synchronously are melt by laser beam and the metallurgical combination is formed, then the compact part with regular figures is manufactured layer by layer on the substrate. LCRF has some special advantages, such as high integration, high production efficiency, wide range of processable materials, no pollution to the environment and so on.

激光熔覆快速成形技术是近年来在激光熔覆技术和快速成形技术的基础上发展起来的一种新技术，通过激光熔化基体和同步送来的粉末，使粉末和基体形成冶金结合，并且在基体上堆积成有规则形状的致密的零件，具有集成度高、生产效率高、柔性好、可加工材料广泛、不污染环境等优点，因此受到了越来越广泛的关注。

If you are unfortunate enough to the lovelorn, please tell me, I will help you out, really, please contact me!

如果你不幸失恋了，请告诉我，我会帮助你摆脱困境，真的，请联系我啦！

China's plan to cut energy intensity by 20 percent and pollutant discharges by 10 percent between 2006 and 2010 is a case in point.

中国计划在2006年到2010间降低20%的能源强度和减少10%的主要污染物排放，就是一个这样的例子。