为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

聚苯基喹嘿啉（PPQ）是一类重要的热塑性芳杂环聚合物材料。苯基取代喹嗯啉环赋予了PPQ优良的耐热稳定性、耐水解性以及在有机溶剂中良......

<正> 随着超滤技术应用范围的不断开拓和新技术工业领域的相继出现,极待开发机械强度好并具有优良的耐温性、耐生物侵蚀性、耐酸碱......

由含苯并呋喃环的芳族四酮与芳族四胺进行溶液缩聚反应，合成了两种新的含苯并呋喃环的聚苯基单醚喹啉，用红外光谱、元素分析、差热及......

研究了聚苯基喹噁啉[PPQ(B)]及聚苯基单醚喹噁啉[PPQ(E)]膜对水/乙醇、水/异丙醇、甲苯/乙醇和苯/环已烷等液体混合物体系的渗透气......

The preparation of conducting PPQ film was first reported in the previous paper. It is very interesting that this film i......

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Three polycaprolactam samples modified by 0.05—0.50% polyphenylquinoxaline(PPQ)by weight were prepared.Their structure ......