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.
同时探讨了晶体结构中阳离子的种类及占位；掺杂离子的种类、占位及价态对晶体生长及性能的影响。
The influence of the kinds, site occupancy and valance state of cations and doping ions on the growth and properties of crystals are discussed too.
结果表明，氟离子与两种价态硒的联合毒性都为拮抗作用；
The results showed that the combined toxicities were antagonism in both fluoride and selenite and fluoride and selenate tests.
结果表明，氟离子与两种价态硒的联合毒性都为拮抗作用；
The results showed that the combined toxicities were antagonism in both fluoride and selenite and fluoride and selenate tests.
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