查询词典 diffraction

X ray diffraction ; grazing incidence ; multilayer films ; thickness measurement.

X射线衍射；掠入射；多层膜；厚度测量

In this paper, a method for determining the thickness of diamond films has been developed by using grazing incidence X-ray technique. It is based on the variation of diffraction intensities from a crystal plane of the substrate at different grazing angles.

本文研究了用近平行的入射X射线，以掠入射的方式，利用薄膜下基体某一晶面衍射强度随掠入射角的变化关系来测定薄膜厚的方法。

The grazing incidence X-ray diffraction further proves that it is entirely a wurtzite AlN structure, and the average size of the crystallite grains is about l2 nm, which is near the ZnO nanorod diameter (30 nm).

而GIXRD测试进一步证实它是纤锌矿结构的AIN，晶粒尺度约为12 nm，接近于ZnO纳米棒的直径(30 nm)。

In this paper, the feasibility of the OTH short-wave communication countermeasure system based on ground wave diffraction has been studied.

本文对地波绕射超视距短波通信对抗系统的可行性进行了论证。

The properties of single-chain and pauci-chain polystyrene microspheres and recent results on the electron microscopy and selected area electron diffraction of single-chain monocrystals of polyethylene oxide, isotactic polystyrene, cis-1, 4-polybutadiene and guttapercha are presented and discussed.

介绍和讨论了单链和寡链聚苯乙烯玻璃体微球的性质以及聚环氧乙烷、全同立构聚苯乙烯、顺-1， 4-聚丁二稀、反-1， 4-聚异戊二烯单链单晶电子显微镜和选区电子衍射观察的最新结果。

The properties of the films have been analysed through Hall effect and X－ ray diffraction.

结果表明：掺杂比影响着膜的电学、光学性能和膜的结晶状况。

It is shown that near diffraction-limited beam qualities could be achieved with optimized off-axis hard-edge unstable resonators.

结果表明：利用优化的离轴硬边非稳腔可以得到近衍射极限的输出。

Shanghai Institute of Optics and Fine Mechanics,Chinese Academy of Sciences,Shanghai 201800,ChinaThe method of numerical simulation based on coordinate transformation and diffraction theory was adopted to analyze the beam characteristics of waveguide lasers with hard-edge unstable resonators.Output beam quality was investigated considering non-uniform pumping and gain saturation.

基于衍射理论和坐标变换，采用数值模拟的方法分析了硬边非稳腔平面波导激光器的光束特性，研究了存在非均匀抽运和增益饱和时，输出激光的光束质量。

The phase structure,phase compositions,micro-structure characteristic and elements distribution of the Al203-MxOy hard-faced ceramic coating were analyzed by using large-field optical microscope and X-ray diffraction and electric probe .

通过采用大型金相显微镜、x-射线衍射仪、电子探针等设备分析了陶瓷涂层的相结构、相组成、组织特征以及陶瓷涂层中各元素的分布情况。

Complexes 4 and 7 were additionally characterized by a single-crystal X-ray diffraction study. These results further certify the heteroatom coordination promoted homolytic reaction of the Ln-N bond.

通过上述实验结果进一步证实了经过杂环氧原子的配位，能促使Ln-N键均裂，得到Ln化合物，进一步拓展了这种合成二价镧系有机化合物的新方法。

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。