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应用流式细胞术、DNA琼脂糖凝胶电泳、透射电镜等多种手段检测心肌细胞凋亡的改变。
The myocardial cells of each groups were taken for detecting apoptosis by the flow cytometry and DNA gel electro-phoresis.
采用透射电子显微术，研究了GH169高温合金孔挤压强化层的微观结构。
By tem analysis, the microstructure of the hole expansion strengthened layer of high temperature alloy GH169 was studied.
应用透射电子显微术研究低碳及中碳合金钢回火马氏体的形变位错结构随拉伸加载过程的演变。
The evolution of deformation dislocation structure during the tensile loading was examined by transmission electron microscopy in the tempered martensite of low and middle carbon alloy steels.
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