The coating film and evaporated film were both characterized by SEM. From the two sides of the micro appearance and molecular structure, the sensitive mechanism was analyzed.

通过扫描电镜(SEM)对涂膜和蒸发膜进行表征，从膜的微观形貌和分子结构两方面对敏感机理进行了分析。

youdao

The chemical composition and micro-structure of the coating were examined with XRD and the morphography of the coating was analyzed with SEM.

用X射线衍射仪（X RD）对膜层的化学组成及结构进行了表征，用扫描电子显微镜（SEM）对膜层的形貌进行了分析。

youdao

According to the theory of solid physics from metal micro - structure and compression strength of tin-coating grain, a study is carried out in this essay on mechanism of parts stained with black dust.

根据固体物理中金属的微观结构、镀锡晶粒的抗压强度理论，分析了黑色粉末产生的机理。

youdao