Methods the ct and X-ray expression of 53 cases of spine metastatic carcinoma were analyzed and summarize imaging character of them.
方法对53例经临床获得证实的脊椎转移瘤ct和X线表现进行分析,以总结其原发瘤与转移部位之间的影像学特征。
Meterials and methods: gathered 14 cases full material of stress fibula fracture, Analysed their X - ray signs and special X - ray expression of bone tumour, and discussed diagnose of the disease.
材料与方法:收集资料完整的胖骨应力性骨折14例,对它们的X线征象及创伤性骨肿瘤样特殊X钱表现做了回顾性分析。
From the conception of X ray diffraction of electrons in an atom, the mathematical expression of X ray diffraction for an atom in a crystal cell is given.
从原子中的电子对X光散射的概念出发,对任意一个晶胞内的任意一个原子产生的X光衍射给出了具体的数学描述。
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