The number of IMP, and its distribution were analyzed with freeze-etching technique.
采用冷冻蚀刻技术，定量分析大鼠小肠上皮细胞膜内微粒的数量及分布状况。
Methods: ODO scanning electron microscopy (ODO SEM) and freeze-etching techniques were adopted for the study.
方法：采用OD O扫描电镜法和冷冻蚀刻法行电镜观察。
The structure and particle distribution of carbonate-containing micelle were observed by freeze-etching replication and electron microscopic observation method;
通过冷冻蚀刻电镜法观察了含碳酸盐的胶体粒子结构及粒度分布情况；
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