本工作定量测定了2-乙烯基吡啶-甲基丙烯酸甲酯-铑络合物的烯烃催化加氢性能与共聚物配体序列结构的关系。
The quantitative relationships between the catalytic ability of Rh-complex of 2-vinyl pyridine-methyl methacrylate copolymer and the sequence structures of the copolymer ligands have been determined.
通过化学引发接枝4 -乙烯基吡啶，对聚丙烯非织造布进行表面改性。
The surface of PP nonwoven cloth was modified through a chemically induced grafting of 4-vinyl pyridine onto it.
生测结果表明在吡啶环的2位合适的取代基和丙烯酸酯的3位取代基的体积对除草活性至关重要。
These results indicated that a suitable substituent at the 2-position of pyridine ring and a well-fit group at the 3-position of acrylate were both essential for hi.
生测结果表明在吡啶环的2位合适的取代基和丙烯酸酯的3位取代基的体积对除草活性至关重要。
These results indicated that a suitable substituent at the 2-position of pyridine ring and a well-fit group at the 3-position of acrylate were both essential for hi.
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