研究了侧链含羧基的聚乙烯醇胺肟螯合纤维吸附金的性能。
The gold-adsorbing property of the amido oximime chelate fiber of carboxylic polyvinyl alcohol is studied.
同时加入三聚氰胺和聚乙烯醇，以改变树脂的柔韧性。
Simultaneousl change flexility of the resin by introducing the melamine and the polyvinyl alcohol.
文摘：综述了近几年钌亚乙烯基络合物中间体-碳的亲核反应。亲核试剂包括烯烃、炔烃、 醇、酸、胺、水等。
Abstract : this article reviews recent progress in nucleophilic reactions of the - carbon in vinylidene ruthenium complexes. the nucleophiles include alkene, alkyne, alcohol, acid, amine, water, etc.
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