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采用Ｘ射线衍射仪和红外光谱等仪器测定了我国具有代表性的３ 种磷矿的晶胞参数、二氧化碳取代指数、比表面积、晶粒尺寸等物理化学参数，并研究了磷矿的反应活性与这些物理特性之间的关系。
The crystal cell parameters, carbon dioxide substitution index, specific surface area, grain size and other physicochemical parameters of three kinds of phosphate rock in our country were determined by X-ray diffraction and infrared spectroscopy. The reactivity of phosphate rock and The relationship between these physical characteristics.