The sources of the endemic fluorosis in Weixin, Zhaotong of Yunnan Province has been studied using an ion selective electrode(ISE) and X-ray diffraction analysis(XRD).
运用离子选择性电极（ISE）和X射线衍射分析（XRD）方法，对云南昭通威信地方病氟中毒区的氟源进行了研究。
The roasting kinetics of copper sulfide concentrate is investigated with the differential thermal analysis (DTA), thermo-gravimetry (TG) and X-ray diffraction (XRD).
采用DTA ，TG结合X -射线衍射分析，对硫化铜精矿的焙烧的动力学进行了研究。
Structures and properties of these materials were studied by X-ray diffraction (XRD) analysis, scanning electronic microscopy (SEM) observation and differential scanning calorimetry (DSC) analysis.
并采用X—射线衍射分析、扫描电镜和差热差重分析，研究了复合蓄热材料的性能和结构。
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