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[期刊论文] 作者:Jing-wu Wang,Shi-jun Zheng,Xia, 来源:高分子科学:英文版 年份:2005
A novel series of main chain liquid crystalline copolyesters with X-shaped two-dimensional mesogenic unit and crown ether cycle of cis-4,4′-bis(4-hydroxyphenyl...
[期刊论文] 作者:Jing-wu Wang,Shi-jun Zheng,Xia, 来源:黑龙江科技学院学报 年份:2005
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...
[期刊论文] 作者:Jing-wu Wang,Shi-jun Zheng,Xia, 来源:高分子科学(英文版) 年份:2004
A novel series of main chain liquid crystalline copolyesters with X-shaped two-dimensional mesogenic unit and crown ether cycle of cis-4,4′-bis(4-hydroxyphenyl...
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