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Articles by Qiang Wu
Total Records ( 2 ) for Qiang Wu
  Xiangqian Feng , Xiaohua Qian and Qiang Wu
  A new method to solve multi-attribute decision making problem with Intuitionistic Fuzzy (IF) information is given here. This method is based on the Dempster Shafer-Analytical Hierarchy Process (DS-AHP) theory. The DS-AHP theory can solve a problem directly based on the decision matrix which is different from most of current methods. But in reality, the decision maker may provide several types of uncertain information such as fuzzy or interval values. So, the original DS-AHP method is combined with the IF information here. The expected utility is used to transform decision matrix with intuitionistic fuzzy information which is obtained from assessment. And then a non-linear optimization model is used to combine all the attributes. Using the combined results, the rank of the alternatives can be finally got. At the end of the paper a numerical example is studied to illustrate the details.
  Huanni Chen , Qiang Wu , Junwei Zhao , Suzhi Li , Jingping Wang and Jingyang Niu
  Two new copper-phosphotungstate complexes [CuII(1,3-dap)2]2[CuII(1,3-dap)]2H[α-PW10.5CO40] (1) and [CuI(phen)2]3[α-PW12O40] (2) (1,3-dap = 1,3-diaminopropane, phen =1,10-phenanthroline) have been synthesized and characterized by elemental analyses, IR spectroscopy, UV spectroscopy, thermogravimetric analyses, fluorescence spectroscopy, X-ray photoelectron spectroscopy, and single-crystal X-ray diffraction. Single-crystal diffraction analyses indicate that both 1 and 2 consist of a saturated α-Keggin phosphotungstate fundamental building unit as polyoxoanions and several metal-organic moieties as countercations. In 1, two [Cu(1,3-dap)]2+ complex cations are capped on the polyoxoanion [PW10.5CO40]9- through four bridging oxygens and the other two [Cu(1,3-dap)2]2+ coordination cations are grafted on the terminal oxygens of the polyoxoanion, whereas in 2, three [Cu(phen)2]2+ complex cations are discrete. Fluorescence reveals that 2 exhibits a broad emission band at 437 nm upon excitation at 380 nm.
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