hydroxyethyl cellulose造句

• Activated membranes for covalent immobilization of hydroxyethyl cellulose ( hec ) and chitosan were obtained by the reaction of microfilitration nylon membrane with activation reagents such as bisxirane , 1 , 1 ' - carbonyldiimidazole , epibromohydrin and formaldehyde
  以尼龙膜为基膜，分别将亲水性物质羟乙基纤维素和壳聚糖共价键合在膜上，制得尼龙羟乙基纤维素复合膜和尼龙壳聚糖复合膜。