这种独特的溶胀行为似乎与高价离子电荷的正负性有关。
The unique behavior seems to be related to the charge characteristics of multivalent ions.
抗高温、抗盐尤其抗高价离子污染能力强，防塌效果好。
The copolymer also had good heat resistance salt tolerance, and hole sloughing prevention.
从绝对硬度与离子半径的关系导出一个高价离子电子亲合能的计算模型。
A new calculating model was derived from the relation of absolute hardness to the radii of polyvalent ions.
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