查询词典 diffraction

The optical interconnection, which is easily controllable and has high diffraction efficiency, has high value of application.

该种方法实现的光互连网络，具有高的衍射效率和实时可控的优点，具有很高的应用价值。

It's also a great way to teach students the concept of diffraction, he says, something that is difficult to spot in everyday life.

他还说这是让学生理解衍射概念的一个非常好的方法，因为衍射现象在生活中并不常见。

Their properties were characterized by X-ray diffraction, UV-Vis diffuse reflection spectroscopy, and scanning electron microscopy.

用扫描电镜、X射线衍射和紫外－可见漫反射光谱对样品进行表征。

SrNb2O6 powders were prepared by a conventional solid-state method and characterized by X-ray powder diffraction and UV-Vis diffuse reflection spectra.

通过对高低温样品的测试和分析表明，高温样品具有单一的物相，而低温样品反应并不完全，是一个混合物。

In order to exploit this effect to enhance diffraction efficiency, experiments of non-continuous holographic exposure were designed and conducted, The diffusion time constant of the material was obtained to be 21 s by fitting the experimental data of dark enhancement with theoretical model.

为了利用暗增长过程提高衍射效率，设计并实施了非连续曝光实验，使曝光与暗增长过程交替进行。

The properties and structures have been investigated as well by X-ray diffraction, infrared absorption spectrum and differential thermal analysis. The solvent dilatability and gelation ability, viscidity and organic content have been tested.

以十六烷基季铵盐为有机化改性剂，用微波辐射加热的方法制备出了性能优良的有机膨润土，利用XRD、FT-IR、DTA等方法分别对合成的钠基膨润土和有机膨润土的结构进行了研究和表征；并初步测试了有机膨润土的溶胀性、凝胶性能、粘度和有机物含量。

Simulation experiments make sure that the dilatometer is able to detect the expansion changes in low temperature. The high temperature reheating process with dilatometer analysis indicate that the firing temperature are little higher than 900℃ for one sample and lower than 900℃ for other five samples with firing temperature ranges of 550~650℃, 650~750℃ and 750~900℃. The results from mineral composition analysis of the samples by X-ray diffraction provide further evidence of the reliability of the thermal expansion measurement.

模拟实验表明，所采用的热膨胀仪能适应低温法测温实验；用热膨胀高温法测出早期陶片中有一块样品原始烧成温度略高于900℃，其余5块样品皆低于900℃；通过热膨胀低温法较为准确地测出这五块样品原始烧成温度是分别介于550~650℃、650~750℃、750~900℃三个范围，而X射线衍射分析结果从物相成分的角度证明了测温结果的可靠性。

The single crystal X-ray diffraction analysis showed that the asymmetric diol 8 isan "abnormal" McMurry reaction product.

单晶X-射线衍射分析结果证明，不对称的二醇8是一种新型的偶联产物。

Diffraction is the process by which sound waves experience a change in their direction of propagation after encountering an obstacle; it is equivalent to a bending effect.

衍射是声波遇到障碍物后改变其传播方向的一种过程，相当于一种弯曲作用。

The lowest loss mode fields and the far field divergency angles of output beams of the UPCUR are calculated by use of Prony method. The relations between the mode discriminability, far field divergency angles and the parameters of the resonator are analyzed. And the theoretical results show that the output beams with diffraction limit quality can be obtained by using the UPUR with small magnification (M=1. 3), which is much better than the traditional unstable resonator under the same conditions.

采用Prony方法计算均匀相位输出耦合镜非稳腔的输出模场分布及远场方向性，分析了模式分辨率和光束远场发散角与系统各参数之间的关系，理论计算得到的结果表明，采用均匀相位输出耦合镜非稳腔，可以在小放大倍率(M=1.3)情况下得到质量达到衍射极限的输出光束，远远好于同等条件下的常规非稳腔，因此这种新型的谐振腔适用于在工业用千瓦级氧碘化学激光器。

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。