这里的六篇文章可否帮我查一下引用次数,急用
1.Yan sui, Xiaoniu Fang, Ronghua Hu, Yaping Xu, Xiaochun Zhou, Xiangkai Fu, A new type of heterogeneous epoxidation catalysts polyamines molybdenum(VI) complexes grafted on zirconium oligo-styrenyl phosphonate hydrogen phosphate, Mater. Lett., 2007,61(6), 1354-1357.
2. Yan sui, Xirui Zeng, Xiaoniu Fang, Xiangkai Fu, Li Chen, Yi’an Xiao, Menghua Li, Shu Cheng, Syntheses,structure, redox and catalytic epoxidation properties of dioxomolybdenum(VI) complexes with Schiff base ligands derived from tris(hydroxymethyl)amino methane, J. Mol. Catal. A:Chem.,2007 (in press).
3.Yan Sui, Xiangkai Fu, Renquan Zeng, Xuebing Ma, Preparation, characterization and application of a new type of ion exchanger and solid acid zirconium sulfonated oligo-polystyrenyl-phosphonate-phosphate supported on ZrO2, J. Mol. Catal. A:Chem., 2004, 217(1-2), 133-138.
4.Yan Sui, Xiangkai Fu, Jingrong Chen, Xuebing Ma, Renquan Zeng, Preparation and properties of solid acid zirconium oligo(sulfostyrenyl)phosphonate hydrogen phosphate supported on TiO2, Mater. Lett., 2005, 59(17), 2115-2119.
5.Yan Sui, Xiangkai Fu, Xuebing Ma, Jingrong Chen, Renquan Zeng, Study of preparation and reaction mechanisms of new types of phosphonous acid-teminated oligostyrene, React.Funct. Polym., 2005, 64(1), 55-62.
6. Renquan Zeng, Xiangkai Fu, Chengbin Gong, Yan Sui, Xuebing Ma, Xinbin Yang, Preparation and catalytic property of the solid base supported on the mixed zirconium phosphate phosphonate for knoevenagel condensation, J. Mol. Catal. A:Chemical, 2005, 229(1-2), 1-5.