1.The molecular weight of Urea Modified Sulfonated Phenol Formadehyde Resin (SPU) was determined in its aqueous solution by dynamic membrane osmometry.
用动态渗透压法，在适量含盐的水溶液中测量聚电解质——尿素改性磺化酚醛(SPU)的分子量。
2.The molecular weight of Urea Modified Sulfonated Phenol Formadehyde Resin (SPU) was determined in its aqueous solution by dynamic membrane osmometry.
用动态渗透压法，在适量含盐的水溶液中测量聚电解质——尿素改性磺化酚醛(SPU)的分子量。