聚氨酯脲和聚氨酯酰亚胺膜的制备与渗透汽化芳烃/烷烃分离性能研究
취안지뇨화취안지선아알막적제비여삼투기화방경/완경분리성능연구
Preparation of polyurethaneurea and polyurethaneimide membranes and their pervaporation performances to aromatic/aliphatic hydrocarbon mixtures
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