查询词典 diffraction

As a natural limit for angular resolution, one may take the angular size of the central diffraction disk.

我们可以取中心衍射环的角直径作为角分辨率的一种自然极限。

Besides diffraction contrast images of domain boundaries, the HREM image of an a-a 90°domain boundary in potassium tantalate niobate has been obtained.

除了以上畴界的衍衬象外，我们也得到了钽铌酸钾晶体中a-a90°畴界的高分辨象。

The influence of Ti on microstructural and magnetic properties of the FePt films was investigated in detail. X-ray diffraction patterns indicate that the films deposited onto glass substrates with the addition of Ti layer form a ternary FePtTi alloy possessing L10 texture.

详细研究了Ti衬底层对FePt颗粒膜的微结构和磁特性的影响。X射线衍射图谱表明样品形成了较有序的L10织构，Ti和FePt形成了三元FePtTi合金。

By scanning electron microscopy, X-ray diffraction analysis and study their morphology and structure, through the measured electrical properties test their charge and discharge performance.

通过扫描电镜，X衍射分析研究了它们的形貌与结构，通过电性能测试仪检测了它们的充放电性能。

The powders were characterized by X -ray powder diffraction, transmission electron mi croscopy and vibrating sample magnetometer . The as -prepared particle is a aggregate composed of many plannar tetragon crystallites.

采用X射线粉末衍射、透射电镜、穆斯堡尔谱和振动样品磁强计，对合成样品进行表征。

The X-ray diffraction scans indicate that the film is a tetragonal structures.

XRD分析表明制备的薄膜的BFO层为四方结构。

X-ray diffraction and transmission electron microscopy results indicate that the sample can be indexed to tetragonal ZnMn2O4 and the particle size ranges from 20 to 50 nm.

采用X射线粉末衍射和透射电子显微镜测试技术对样品进行了分析表征，结果表明所合成的催化剂为粒径均匀的纳米粒子，平均粒径在20-50 nm，具有较好的分散性。

The results of X-ray diffraction confirmed that the samples were pure and had a tetragonal K2 NiF4-type structure.

电阻率结果表明这组样品在测量温区都是半导体行为。

The products were characterized by X-ray diffraction、Fourier transform Infrared、thermal gravity、differential thermal analysis and transmission electron microscopy respectively .

产物通过 X-射线粉末衍射、透射电子显微镜、热重分析、差热分析、傅立叶红外光谱等手段进行了表征。

XRD results indicate that the major diffraction peaks of the film match those of Sb2Te3. The film growth is apparently at the ［101］/［012］ orientation and many Te peaks are observed. Hall measurement reveals that all the samples are p-type and the resistivities are low. The electric conductivity of the films approaches that of the bulk metal and the carrier concentration is of 1023 cm-3. Seebeck coefficient measurement shows that the samples have nice thermoelectrical properties and the seebeck coefficients are in the range of 7.8—62 μV/K. Among all, the samples annealed at 200 ℃ for 6 h have the highest seebeck coefficient of about 62 μV/K and the lowest resistivity.

XRD测量结果显示，薄膜的主要衍射峰与Sb2Te3标准衍射峰相同，在［101］/［012］晶向取向明显，存在较多的Te杂质峰；霍尔系数测试结果表明，薄膜为p型半导体薄膜，薄膜电阻率较低，其电导率接近于金属电导率，载流子浓度量级为1023 cm-3，具有良好的电学性能；Seebeck系数测量结果显示，薄膜具有良好的热电性能，在不同条件下制备的薄膜的Seebeck系数在7.8—62 μV/K范围；在所制备的薄膜中，退火时间为6 h、退火温度为200 ℃的薄膜其Seebeck系数达到最大，约为62 μV/K，且电阻率最小。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。