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。

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Scanning Electron Microscopy (SEM) has been applied to the study on the superstructure of various microencapsulated star anise oil.

本文用扫描电镜(sem)研究微胶囊化茴香油的超微结构。

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The volcanic rock types in the study area have been classified by means of core, thin slice, scanning electron microscopy and geochemical analysis.

综合岩心、薄片、扫描电镜、地球化学等多种分析测试手段，对研究区火山岩岩石类型进行了划分。

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