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HETEROAROMATIC POLYMERS - HIGH TEMPERATURE POLYPYRROLONES DERIVED FROM 2,6-BIS(3′,4′-DIAMINOPHENYL)-
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......
HETEROAROMATIC POLYMERS - HIGH TEMPERATURE POLYPYRROLONES DERIVED FROM 2,6-BIS(3′,4′-DIAMINOPHENYL)-
A new type of aromatic tetraamine containing biphenyl moiety in the side chain was synthesized via a modified Chichibabi......
