In order to reveal the detail structure of the polymeric materials, the selective etching treatment of the materials is necessary.
为了提高图象观察的质量和真实反映材料结构的细节必须使材料的结构细节充分暴露出来。
The influence of inorganic filler, functional monomer, etching treatment of teeth surface, etc on the shearing strength of one-component visible-light curing orthodontic adhesive was studied.
研究无机填料、功能单体及牙齿表面酸蚀与否等因素对单组分可见光固化齿科正畸粘接剂剪切强度的影响。
Main fields of application include electroplating, etching and cleaning plants, sewage and water treatment installations as well as solar, textile and food industries.
主要应用领域包括：电镀工厂，蚀刻和净化工厂，废水和自来水处理，太阳能，以及纺织和食品加工业。
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