通过显微镜观察和X -射线衍射分析方法，研究用热爆裂法除去二氧化硅微粉中杂质的过程。
The process of impurity removing from fine silica powders with thermal crack method is investigated by means of DTA and XRD.
本文阐述膨胀型防火涂料的主要成分及其制法，并用差示热分析法、热重量分析法、透射电子显微镜等方法研究涂层受热时变化情况。
It described the main components of the expansive fire-retardant paint and its preparation. DSC, TGA and TEM were used to study the film performance during heating.
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