然后，将切片泡入去离子化的蒸馏水中，其中水的量与样品中的粉末等重。再测混合溶液的导电性。
Then, the slice was mixed with a quantity of deionized, distilled water equal in mass to the powder in the sample, and the electric conductivity was measured.
介绍了一种利用阳离子化改性多羟基化合物进行堵水调剖的方法，具有一定的选择性，在油田应用取得了良好效果。
A modified cationic polyhydroxy compound gelling fluid as water shutoff is developed. This type of gel has better selectivity. Its field tests are described and the results are satisfactory.
水是由亲水性的离子化通道扩散透过膜，而乙醇是由亲油性的高分子无定形区扩散透过膜；
Water diffusion is localized in the hydrophilic ionic region formed by the ionized groups, whereas ethanol diffusion is localized in the hydrophobic amorphous network of the polymeric membrane.
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