实验结果表明：随着外部盐溶液浓度的增大及盐离子的价态的升高，复合材料的吸液率下降；
The water absorbency was descended with the ascending of the concentration of the external ion solution and the valence of the ion.
采用比表面、孔结构、XRD和XPS等测试技术研究了催化剂的宏观结构、晶相组成、表面铁、钼离子价态和浓度。
The macrostructure, the composition of the crystal phase, the surface ion valency and concentration of the catalysts were investigated by BET, XRD and XPS techniques.
金属阳离子可促进天然砂吸附病毒，并随其浓度和价态的增加而增加，但对修饰砂作用不明显。
Natural sand adsorbed viruses increasing with the presence of metal cations, their contents and valence, but this positive role was not clear to modified sand adsorption viruses.
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