透射电子衍射花样的变化表明在220k附近发生了相变，它的晶体结构参数明显地变化。
The changes of transmission electron diffraction patterns indicate the phase change has occurred at about 220k, and its crystal parameters change obviously.
本文报道了我国最近发现的硅硼镁铝矿晶胞参数、微双晶结构的电子衍射分析，晶体缺陷和矿物高分辨点阵象的透射电镜观测结果。
This paper has presented the results of TEM studies about the unit cell para-meters, micro-twinning structure, crystal defect and lattice fringe image of grandidierite discovered in China recently.
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。
High resolution transmission electron microscopy and selected area electron diffraction were used to characterize the products.
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