查询词典 diffraction spectroscope

In2O3 thin films were prepared on glass substrates by radio frequency magnetron sputtering. The structural, electrical and optical characteristics of In2O3 films were investigated by atomic force microscope, X-ray diffraction, X-ray photoelectron spectroscope, UV-Visible spectrophotometer and Hall effect measurements.

采用射频磁控溅射法在玻璃衬底上制备氧化铟薄膜，通过测试原子力显微镜、X射线衍射、X射线光电子谱、紫外可见分光光度计以及霍尔效应，研究了氧化铟薄膜的结构和光、电特性。

In order to disclosure the reason why the electrocatalysis activeness and selectivity droped after being used several hundred hours continuously, the x-ray diffraction, scanning electron microscopy and energy dispersive spectroscope have been used to characterize the surface condition variations of Monel metal. The results indicated: Monel metal belongs to the Cu-Ni alloy around the electrolysis experiment.And after being used for 600hr, the surface layer element composition and geometry distribution of the alloy changed, namely in the alloy the Cu element /which superficial free enthalpy was smaller,"concentrated" to the alloy surface,and formed one kind of marble structure microcrystallite.Thus the electrode surface becamed rough a

为了揭示蒙乃尔合金阴极在连续使用数百个小时后电催化活性剂选择性下降的原因，采用X射线衍射仪、电子扫描电镜和电子能谱分析仪对电解实验所用的蒙乃尔阴极材料在电解实验前后的表面状态进行了表征，结果表明：所使用的蒙乃尔合金阴极材料在电解实验前后均属于Cu-Ni合金，使用600hr后，由于表面层元素组成和几何排布发生了变化，即合金中表面自由焓较小的Cu元素向合金表面&富集&，形成一种大理石结构的微晶，表面粗糙、不均一，这是造成其对硝基苯电还原的催化活性及选择性随着使用时间延长而逐渐下降的主要原因，同时也为此类电极的修饰改进提供了方向。

Also the intensity of the reconstruction image was studied in the angle of the influenced by the diffraction efficiency. The diffraction efficiency of the low frequency is lower than that of the high frequency.

另外还从物参比的角度分析了非线性曝光对再现光场的影响，即衍射效率对再现光强的影响，得出低频部分的衍射效率低于高频部分的衍射效率，较好的解释了再现像出现了边缘剪切效应的原因。

This paper presents a simple physical model of change of mass density for calculating the diffraction intensity of multilayer, which is proved by the experiments of the small angle X-ray diffraction.

提出了这种膜系内密度变化的简单物理模型，通过理论衍射强度计算和小角X衍射实验证明这种模型是合理的。

Theoretically the approximate conditions of the surface wave diffraction were analyzed,and the corresponding analytic expression of angle width of diffraction patterns was derived,which explained the asymmetry distribution well.

理论上对表面波衍射的近似条件进行了分析，得出了各级衍射条纹角宽度的解析表达式，解释了衍射条纹的非对称分布。

Based on the principle of grating diffraction, by using television measuring system to measure the offset between the imaging of incident laser and the optical axis to confirm the angle of incidence and the angle of diffraction of the grating, a method of measuring incident laser wavelength in far field with grating is brought up.

依据光栅衍射原理，采用电荷耦合器件CCD作为探测器，通过测量入射激光成像点在电视靶面坐标系中的脱靶量，确定光栅的入射角和衍射角，提出了一种利用固定式平面反射光栅测量远场未知方位入射激光波长的方法。

An analysis for the intensity of light and diffraction angle of bright fringes of the single -slit Fraunhofer diffraction is developed from qualitative to quantitative discussion,basing on the method of Fresnel s half-band and its extention,and on the obrvation for the amplitute vector features of wave band and sub-band on screen.

由菲涅耳半波带法思路出发，加以延伸扩展，结合观察屏上波带与子波带的振幅矢量图象，对单缝夫琅禾费衍射的明纹光强与明纹衍射角作了由定性到定量的讨论，剖析了半波带法明纹公式的近似性。

The relationship between acoustic wave direction,laser incident angle,and laser diffraction angle of TeO2 acousto-optical deflector with acoustic frequency was analyzed based on the TeO2 crystal acousto-optical characteristic and Dixon equations under abnormal Bragg diffraction.

根据晶体的声光特性以及反常布喇格衍射的Dixon方程，得出了氧化碲声光偏转器在反常布拉格衍射条件下的参量矢量关系。分析了超声波方向、入射光角度、衍射光角度与声波频率之间的关系。

The main works include: In this thesis, we use Finite Difference Time Domain method to study the relationship between diffraction efficiency, angular dispersion and grating constant, to discuss how the grating figure influence the diffraction efficiency, and to research the frequency spectrum characteristic.

主要工作包括：本文分别在垂直入射和自准直入射（光垂直于光栅刻槽面入射）情况下，采用时域有限差分方法，利用商业数值计算软件OptiFDTD对二维闪耀光栅进行了矢量电磁场数值计算，研究了光栅的衍射效率和角色散随光栅常数的变化情况，研究了光栅形状对光栅衍射效率的影响，还讨论了各种光栅的频谱特性。

As substitute for fluorite lens, a double-layer DOE is used in a long focal-length apochromatic objective lens. The modulation transfer function of this hybrid optical system is suggested for evaluating diffraction efficiency of the multilayer DOE. The results show the diffraction efficiency has a wide and symmetrical distribution in the whole waveband.

利用双层衍射光学元件替代萤石透镜校正混合光学系统的二级光谱，设计并制作了一套长焦距物镜，并利用系统调制传递函数评价了多层衍射光学元件衍射效率，测试结果表明衍射效率在整个设计波段内以较高的数值平均分布。

Continuously improve the production mechanism, to provide customers with better quality products and services.

不断的完善生产机制，给客户提供更优质的产品及服务。

B:Yes, he was the very prize-winner in the court tennis ten years ago?

是的，他是十年前的世界网球冠军。