The coating structure is characterized by direct image of TEM and indirect analysis of component.
包覆结构主要用透射电镜直接观测和成分对比分析等间接手段表征。
Direct characterization technologies for chemical analysis of fibers, without a previous separation of the components or component groups from each other, were reviewed.
该文主要介绍在不对纤维组分进行预先分离的条件下，纤维化学特性的表征技术。
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