激光材料

Selective Laser Sintering was selected for the process, and a flame-retardant polyamide was the chosen material.

选择性激光烧结被选中的进程，以及阻燃聚酰胺是选择材料。

Terahertz laser pumped by a CO2 laser was used to measure polythene absorption characteristics.

文中利用CO2泵浦THz激光对聚乙烯材料的THz 吸收特性进行了实验研究。

Infrared upconversion and optical storage thin film CaS∶Eu, Sm has been successfully developed by electron beam evaporation and radio frequency magnetron sputtering. Infrared upconversion efficiency of CaS∶Eu, Sm thin films with different thickness has been investigated by using the ultrashort infrared laser pulses with different FWHM.

采用电子束蒸发和磁控溅射技术制备了具有红外上转换和光存储特性的电子俘获材料CaS∶Eu，Sm薄膜，利用不同脉宽的超短红外激光测试了它们的红外上转换效率，指出CaS∶Eu，Sm薄膜的红外上转换发光效率不仅与制备工艺及热退火工艺密切相关，而且存在"耗尽"现象。

It extends the application of nanosecond laser in laser-induced microstructures,and provides a new method for micromachining reflection grating in metal.

该研究拓展了纳秒激光在加工微结构方面的应用，为在金属材料表面制作纳米压印模版提供了一种新方法。

In this article, the effect on the surface topography of the same material was analyzed by different processing methods, the value of surface parameter arithmetic mean R, root-mean-square roughness R and gradient root-mean-square value Z were used to appreciate the surface topography, and the data were processed with the software Matlab.

分析不同加工方法对同一种材料表面形貌的影响，采用表面形貌统计参数中的轮廓高度算术平均值R、轮廓高度均方根值R、坡度均方根值Z，对表面形貌进行评价，结果表明，准分子激光加工表面的R、R，和Z，值均比研磨加工表面小。

The conversion of Eu~(3+)→Eu~(2+) in KMgF_(3)∶Eu is almost 100% at the low dopant concentration and the saturant dopant is 0.29% molar fraction.

KMgF3具有典型的立方钙钛矿结构特征，是各向同性的强离子性晶体，被认为是理想的激光基质材料。

The ion-doped crystals have such performance as schillerization ,up-conversion and tunable laser,etc.

ZnWO4单晶是一种优良的基质晶体材料，过渡金属离子和稀土离子能够较容易地掺杂进去，从而使掺杂ZnWO4晶体具有闪烁发光、上转换发光、可调谐激光等性能。

And can be cut, and a variety of materials, precision cutting demanding the ability to use pulse laser cutting die computer printer and the computer automatically scimitar machine, can be used in cutting die plus scimitar machine cutlasses, fast, and accurate.

并可切割多种材料，而且，对精度要求较高的切割，还可采用脉冲切割将激光模切版的电脑绘图机与电脑自动弯刀机连在一起，可在切割模切版的同时，用弯刀机弯刀，又快捷，又准确。

Analysis and experiment on deformation of sheet metal by laser shock wave .

金属材料的激光冲击变形分析及其实验研究。

In comparison with ordinary laser processing,the advantages of ultrashort pulse and short wave to all kinds of materials are presented.

对比普通激光加工，超短脉冲和短波长对各种材料的优势作用日趋显现。

What are your goals and strategies for growth?

你的成长目标和策略是什么？

And unto the angel of the church in Sardis write; These things saith he that hath the seven irits of God, and the seven star I know thy works, that thou hast a name that thou livest, and art dead.

3：1 你要写信给撒狄教会的使者，说，那有神的七灵和七星的，说，我知道你的行为，按名你是活的，其实是死的。