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SYNTHESIS, CHARACTERIZATION AND RING-OPENING POLYMERIZATION OF CYCLIC (ARYLENE PHOSPHONATE) OLIGOMER
[期刊论文] 作者：Hong-ming Zhang Qing-zhong Guo,
来源：高分子科学：英文版 年份：2004
A series of cyclic (arylene phosphonate) oligomers were prepared by reaction of phenylphosphonic dichloride (PPD) with various bisphenols under pseudo-high dilu...
SYNTHESIS, CHARACTERIZATION AND RING-OPENING POLYMERIZATION OF CYCLIC (ARYLENE PHOSPHONATE) OLIGOMER
[期刊论文] 作者：Hong-ming Zhang,Qing-zhong Guo,
来源：黑龙江科技学院学报 年份：2004
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...
SYNTHESIS, CHARACTERIZATION AND RING-OPENING POLYMERIZATION OF CYCLIC (ARYLENE PHOSPHONATE) OLIGOMER
[期刊论文] 作者：Hong-ming Zhang,Qing-zhong Guo,
来源：高分子科学（英文版） 年份：2004
A series of cyclic (arylene phosphonate) oligomers were prepared by reaction of phenylphosphonic dichloride (PPD) with various bisphenols under pseudo-high dilu...
[期刊论文] 作者：CHEN Xin,ZHANG Qing-zhong,M.L.,
来源：城市道桥与防洪 年份：2002
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生、测量监控等方面人手,介绍了S226海滨大桥...
[期刊论文] 作者：杨世琦,ZHANG Qing-Zhong,张爱平,YANG,
来源：中国生态农业学报 年份：2004
本文探讨了农业生态系统自净能力的内涵与层次结构,从生态系统的构成要素角度,对农业生态系统的自净能力进行了评述,同时分析了农牧结合自净体系、沼气生态农业自净体系、立...
[期刊论文] 作者：You Xie,Guo-guang Cheng,Lie Chen,Yan-dong Zhang,Qing-zhong Yan,,
来源：International Journal of Minerals Metallurgy and Materials 年份：2016
The characteristics and generation mechanism of(Ti,Nb,V)(C,N) precipitates larger than 2 μm in Nb-containing H13 bar steel were studied. The results show that...
[期刊论文] 作者：DU Zhang-liu,WU Wen-liang,ZHANG Qing-zhong,GUO Yan-bin,MENG Fan-qiao,,
来源：Journal of Integrative Agriculture 年份：2014
Organic amendment is considered as an effective way to increase soil organic carbon(SOC) stock in croplands. To better understand its potential for SOC sequestr...
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