The mineral composition and contents in soils can be quantitatively determined by X-ray powder diffraction analysis.
利用粉晶X射线衍射分析方法，能定量地测定土壤矿物组成和含量。
The surface structures were characterized by laser particle size analysis, X-ray powder diffraction analysis (XRD) and gravimetric method, respectively.
用粒度分析、 X射线衍射分析和重量分析法分别对机械活化闪锌矿的结构进行了表征。
Its chemical composition and structure are characterized by the chemical analysis, elemental analysis, IR patterns and X-ray powder diffraction.
经元素分析、X -射线粉末衍射、中红外、远红外光谱进行表征，确定了配合物的组成和结构。
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