In Fraunhofer diffraction area, the spot center is light spot, around encircle light and dark ring.
在夫琅和费衍射区域内，光斑图像中央是亮光斑，周围环绕着明暗交替的圆环。
The selected area diffraction patterns from the phase show a fivefold symmetry of a qua-sierystalline structure.
这个相的选区电子衍射花样显示出准晶体结构的五次对称性。
The selected area electron diffraction (SAED) pattern of the twin was indexed by transforming matrix of hexagon crystal twin plan.
并采用六方晶系孪晶面的变换矩阵对孪晶电子衍射花样进行了标定。
Finally, some suggestions are made on how to raise the diffraction efficiency and enlarge the ruling area of the grating in terms of experiment.
最后探讨了如何提高衍射效率，控制闪耀波长及增大刻划面积等问题。
Stress maps of 304 austenitic stainless steel sheets at tensile stresses were measured and analysed by using polycrystalline X-ray two-dimensional area detectors diffraction system.
利用多晶X射线面探测器衍射系统对304奥氏体不锈钢板在拉伸状态下的应力及其分布进行了检测分析。
The structure of organo clays and mechanism for their adsorption were studied by X ray diffraction(XRD) and BET area.
通过X-衍射分析等手段探讨了有机粘土的结构及其吸附机理。
The interference between points in the area noise source and the diffraction caused by wall were taken acount of in the calculation.
在对声场的理论计算中分别考虑了面声源中各点间的干涉和由壁障引起的衍射。
The backward diffraction on the shadow area of aircraft and its components having low radar-cross-section (RCS) is one of the main contributions of their RCS.
阴影区的后向绕射是低散射截面飞行器和部件rcs的主要贡献之一，有效地抑制它可以进一步地减缩rcs。
Elemental composition and BET surface area of pyrolysis carbon were investigated. X-ray diffraction pattern and constant-current charge-discharge properties of pyrolysis carbon were studied.
元素分析、氮气物理吸附和X射线衍射分别考察了裂解炭的元素组成、BET比表面积以及微晶结构变化；
High resolution transmission electron microscopy and selected area electron diffraction were used to characterize the products.
利用高分辨透射电镜和电子衍射仪器对合成的纳米颗粒的结构进行了表征。
The X-ray diffraction (XRD), high-resolution transmission electron microscopy (HRTEM) and selected area electron diffraction (SAED) results indicate that the sputtered film has an amorphous structure.
射线衍射(XRD)、高分辨率透射电镜(HRTEM)和选区电子衍射(SAED)分析表明，该薄膜为非晶态。
High-resolution electron microscopy and selected-area electron diffraction confirmed the core of Ferumoxtran-10 is composed of crystalline magnetite.
高分辨电子显微镜和选区电子衍射证实Ferumoxtran-10的核是由晶体状的磁铁矿组成的。
High-resolution electron microscopy and selected-area electron diffraction confirmed the core of Ferumoxtran-10 is composed of crystalline magnetite.
高分辨电子显微镜和选区电子衍射证实Ferumoxtran-10的核是由晶体状的磁铁矿组成的。
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