electron diffraction method

The structure of weld metal of 18Ni ( 250 ) maraging steel is studied under transmission electronmicroscope and by electron diffraction method .

本文利用透射电子显微相和电子衍射相测定了18Ni（250）马氏体时效钢的焊缝组织。

The displacement vector for surface relief was determined to be near the invariant line direction using electron back scattering diffraction method .

本工作应用背散射电子衍射技术测得产生浮突的位移在不变线方向附近。

The outline and development of optimization algorithm in quantitative convergent beam electron diffraction ( QCBED ) method is briefly introduced .

本文简要介绍了定量会聚束电子衍射方法及其优化算法；

Their metallographic structures were qualitatively and quantitatively analyzed by scanning electron microscope and X-ray diffraction method . And the relationships among heat treatment parameters , content of retained austenite and carbon content of retained austenite were studied .

通过电子扫描电镜及X射线衍射仪对其金相组织进行定性、定量分析，研究热处理参数与残余奥氏体体积含量、奥氏体含碳量的关系。

Optical microscopy , scanning electron microscopy and X-ray diffraction method were employed to characterize the microstructure feature of the surface layer before and after diffusion treatment , the composition distribution after the diffusion treatment was detected by energy disperse spectrum .

扩散前后试样的结构特征通过光学显微镜、X-射线衍射仪和扫描电镜进行了表征，扩散后试样中合金元素的浓度分布通过能谱仪加以测量。

Electron Diffraction is a unique method for studies of matter structure and phase transitions , and a promising approach to analyze the basic process in the nature , such as the transformations of matter properties and matter structure , the chemical reactions and the biologic reactions .

电子衍射是人们探索物质结构的重要手段之一，是分析自然界中的许多基本过程如物质状态、结构的变化，化学或生物反应等的有力途径。

In this paper , the grating diffraction of electron probability wave is taken for example , Feynman 's path integral theory is used to analyse quantitatively the electron diffraction state . This method is brief and clear .

用费曼的路径积分理论对电子概率波通过光栅所产生的衍射效应进行了定量分析，该方法简便、直观。