The reverse osmosis membrane has a polyvinylalcohol adherent thereto, and is characterized in that the polyvinyl alcohol is an ionic polyvinyl alcohol.
上述反渗透膜是附着有聚乙烯醇的反渗透膜，其特征在于，该聚乙烯醇为离子性聚乙烯醇。
2
The preparation of carboxymethyl cellulose and polyvinylalcohol blend membrane has very important significance.
制备羧甲基纤维素和聚乙烯醇的共混膜具有非常重要的意义。
3
METHODS:Ornidazole oral membrane was prepared with polyvinylalcohol and sodium carboxymethylcellulose as its adjuvants;