XRD patterns show that all SDC powders calcined at various temperatures have a cubic fluorite structure.
XRD测试显示在不同温度预烧的粉体均成立方萤石结构。
The results show that the prepared samples have uniform crystallinity and fine crystalline, with a cubic fluorite structure.
结果表明：所得到的纳米晶粒度均匀、结晶完好，属于立方萤石结构。
In addition, the flowsheet structure and the content of heavy metal ions in the slurry have effects on the grade of fluorite concentrates as well.
另外流程结构及矿浆中重金属离子含量对萤石精矿品位也影响较大。
In addition, the flowsheet structure and the content of heavy metal ions in the slurry have effects on the grade of fluorite concentrates as well.
另外流程结构及矿浆中重金属离子含量对萤石精矿品位也影响较大。
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