Later on, it was found that many kinds of water-soluble polymer had the ability of disproportionate permeability reduction (abbr. DPR), meanwhile, it was also discovered that some metallic ion crosslinked polymer could get better DPR.
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- 隨著(zhù)研究的深入，人們發(fā)現許多水溶性高分子溶液具有這種不等比例降低油水相滲透率（DPR，Disproportionate Permeability Reduction）的功能，同時(shí)，人們還發(fā)現，利用一些金屬離子交聯(lián)高分子溶液，可以獲得更好的DPR效果。
