查询词典 diffraction

In his article entitled "On the manufacture of diffraction gratings and theoretical," the paper wrote,"If every inch with the same number of two engraved lines in contact with photographic copies of the state, the two grating The engraved lines are almost parallel will result in a set of parallel stripes, the direction of the two grating carved exterior angle between the line bisection, and their distance decreases with increasing inclination."

他在一篇题为"关于衍射光栅的制造和理论"的论文中写到"如果把每英寸具有同样数目的刻线的两个照相复制品处于接触状态，使两个光栅中的刻线几乎平行则就会产生一组平行的条纹，其方向将两个光栅刻线之间的外角二等分，而其距离随着倾角的减小而增大"。

According to the results of scanning electron microscopy,X-ray diffraction,and ultra- violet-visible-near infrared transmission spectroscopy,the formation of rutile TiO_2 can be promoted by the insertion of the rutile SnO_2:F under layer.

用扫描电镜、X射线衍射、紫外-可见一近红外透射光谱等手段对样品的物相和性能进行了研究。

The results of X- ray Diffraction indicated that face - centered cubic Al layers were obtained both by pulse plating and D.

在钢板上获得银白色铝镀层。X射线衍射结果表明，两种情况均得面心立方结构的铝，但由脉冲镀所得的铝晶粒较小。

The results of X-ray diffraction showed that the nickel nanoparticles had face centered cubic structures and the structures of polyandinc have not been affected under high temperatures.

采用先合成导电聚苯胺，然后用多元醇原位液相还原的方法，合成了聚苯胺／镍纳米复合材料，纳米镍的含量约为19.22%。

The mineral composition of typical coal combustion residues in China, including fly ash, bottom ash, slagging and fouling, were investigated by X-ray diffraction, Missbauer spectroscopy and scanning electron microscopy. According to the chemical composition, coal combustion residues can be divided into aluminosilicate, ferruginous and calcareous groups.

利用X射线衍射、穆斯堡尔谱与扫描电子显微镜等方法研究中国典型燃煤煤种的燃烧产物的矿物学特征，揭示出不同化学成分以及不同类型产物中矿物组成的差异性。

With different sintering conditions, the effect of the luminescent intensity due to sintering temperature and the concentration of activator would be discussed by the X-Ray Diffraction, photoluminescence spectrometer and Field Emission Gun Transmission Electron Microscope.

并在不同的烧结条件下探讨锻烧温度、掺杂活化离子浓度对萤光发光强度的影响。

It is found from the analytical expression that the truncation parameter, which is defined as the ratio between the waist of the Gaussian beam and the radius of the lens, has an important effect on the diffraction field distribution of the lens.

应用这个表达式研究了截断参数（透镜的半径与高斯光束束腰半径的比值）对透镜衍射场分布的影响。

Finally, we will see that the diffraction limited area in the field of view is proportional to the focal length.

最后我们将看到，衍射极限影响的区域与焦距是成比例的。

Based on Collins integral formula and the expansion of the hard aperture function into a finite sum of complex Gaussian functions,the approximate analytical expression of the diffraction field of Gaussian beam by a circular disc is derived,and its characteristics are analyzed by the numerical calculation and numerical simulation.

基于圆孔光阑函数展开为复高斯函数和的方法，用Colins积分公式，导出了高斯光束照射下圆盘衍射的光场近似解析表达式，经计算机数值计算，对高斯光束照射下圆盘衍射的衍射特性进行了详细的分析

Fire opal that displays play of color but is rare because volcanic opal forms relatively quickly and the spheres of silica rarely have time to settle into the diffraction grids that create play of color.

火蛋白石，但彩色显示器发挥特别之处火山蛋白石形式和较快的领域很少有时间适应硅衍射网，发挥创造色彩。

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。