AIM: To examine the suitable depth and the element composition of the reaction layer of the Ti-porcelain.
目的：检测钛瓷反应层适宜厚度及元素构成。
The features of wear scar surface and the element composition of the surface film were analyzed by SEM and XPS. The interactions between the additives were preliminary discussed.
采用SEM和XPS对磨斑表面的形貌和表面膜的元素组成进行了分析，对添加剂之间的相互作用进行了初步的探讨。
The element composition and the group content of lignin are different if it prepares by the different methods.
不同方法制备得到的木质素产品，元素组成及官能团含量是不同的。
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