针对吸收系数相近的多组分材料，吸收成像无法分辨的情形，提出了衍射增强SR - CT方法。
In order to improve the contrast of reconstruction images for the materials which their elements absorbance index are very close, the technique of diffraction enhanced SR-CT is developed.
重点介绍了X射线相干散射成像技术、X射线衍射增强成像技术和X射线相干散射CT成像技术的研究和进展。
The research and development of X-ray coherent scatter imaging, X-ray diffraction enhanced imaging and X-ray coherent scatter CT imaging are mainly summarized.
前言：目的：利用衍射增强成像(DEI)技术成像机制的特异性，进行医学样品的成像研究，并进行分析评价。
Objective: With the exceptionally excellent, DEI is used to image on medical samples and the imaging result is evaluated.
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