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polyionの例文

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  • The surface of polyion composite membranes was uniform while the cross - section micrograph showed the separation layer was cross - linked with the support membrane very well
  • In this paper , the dynamic lbl polyion composite membranes were prepared by depositing polyacrilic acid and polyethyleneimine alternatively on the ultrafiltration support membrane under a certain pressure . the polyion composite membranes were evaluated by the pervaporation separation of water - ethanol mixture