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Plasticization of cellulose diacetate by Ionic liquid Na Liu1, a, Jingwen Zhang1,b and Huaping Wang1,c 1 State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, P.
Introduction In recent years, cellulose material has become one of the focuses as a replacement of petroleum-based material in the field of fibers and textiles due to the anxiety about exhaustible resources[1-3].
Purz, et al, Structure formation of regenerated cellulose materials from NMMO-solutions, Progress in Polymer Science. 2001 (26) 1473-1524
Zugenmaier, Conformation and packing of various crystalline cellulose fibers, Progress in Polymer Science. 2001 (26) 1341-1417
Bailer, Investigation of Binary and Ternary Systems of Ionic Liquids with Water and/or Supercritical CO2 by in Situ Attenuated Total Reflection Infrared Spectroscopy, Journal of Polymer Science Part B: Polymer Physics. 2010 (6) 2111-2117.

Materials and Experimental Table 1 shows the chemical composition of the test steels.
Mintz, Influence of sulphur and niobium on hot ductility of as cast steels[J], Materials Science and Technology. 7(12) (1991) 1101-1107
Jansto, Effect of cooling rate on the microstructure and mechanical properties of Nb-microalloyed steels[J], Materials Science and Engineering A. 460-461 (2007) 335-343 [12] Y.
Crowther, B.Mintz, Influence of grain size and precipitation on hot ductility of microalloyed steels[J], Materials Science and Technology. 2(11) (1986) 1099-1105
Tetsu-to-Hagane (Journal of the Iron and Steel Institute of Japan), 65(14) (1979) 2038-2046

An Innovative Combination Process for PCBs Removing in Aged Landfill Leachate Yihua Yuan1,2,a, Xintong Xiao4, Shuichun Xia3, Binhua Luo4, Xiaozhen Chen 4, Shibin Xia4, b 1Department of Macromolecular Science, School of Materials Science and Engineering, South China University of Technology, Guangzhou, China 2Department of Chemistry and Chemical Engineering, Foshan University, Foshan.528000 , China 3Institute of military economy,China 4School of Resource & Environment Engineering, Wuhan University of Technology, Wuhan, Hubei Province, China afsxuyuan@fosu.edu.cn bxiashibin@126.com Keywords: Landfill leachate; Luffa Sponge (LS); PCB; Sequencing batch biofilm reactor (SBBR) Abstract PCBs removal in the aged leachate by a new combination process, combined coagulation with a two-staged sequencing batch biofilm reactor with Luffa Sponges (LS) as the biomass carriers (LS-SBBR), was studied in this research.
The investigation of the PCBs removal in this new process was studied in this research. 2 Materials and methods 2.1 The experimental set-ups A schematic diagram of the experimental apparatus was shown in Figure 1.
Acknowledgements The research work was supported by China National Science Foundation (50878173), the Natural Science Foundation of  Hubei  Province,China(Grant No.2010CDA058).
[7] Zhao Kang: Journal of Environment and Health.

Experimental Materials.
Acknowledgements This research was supported by the Natural Science Foundation of Yunnan Province, P.
Fertala: Journal of Structural Biology Vol.157 (2007), p.297 [5] J.
Ge: Materials Science and Engineering R Vol.57 (2007), p. 1 [7] S.
Feng: Applied Surface Science Vol.257 (2011) , p.9287 [11] N.

Acknowledgement This work was supported by Agency for Promotion Research and Development under the contract APVV-20-P06405, and by the Slovak Grant Agency for Science under the grant VEGA 1/3578/06.
Loewenstein: The Manufacturing Technology of Continuous Glass Fibers, Glass Science and Technology Vol. 6, Elsevier, Amsterdam 1983
Yuanxin: Journal of Composite Materials, Vol. 38 (2004), p. 2025-2035
Sottos: Composite Science and Technology Vol. 65 (2005), p. 129-136
Preparation of Ceramic Materials, p. 154-159, Herľany, 2007, ISBN: 978-80-8073-806-8 Part A + B Part C l0,av = (.5025 ± 0.0001) m c = (1.2193 ± 0.0027) GPa s(ln(l0)) = 0.00273 ± 0.00001 w = (0.0647 ± 0.0125) GPa E = (52.080 ± 0.015) GPa h = 2.92 ± 0.59 0.501 0.504 0.507 0.510 0.513 0 50 100 150 200 F / N x / m Figure 2: Experimental (points) and calculated stress-strain curve.

The tire structure is very complex and comprises of different materials such as rubber, steel cords, nylon cords and polyester cords.
In this paper, mechanical properties of rubber compounds were expressed in Yeoh material model
“Reducing Tire Rolling Resistance to Save Fuel and Lower Emissions,” SAE International Journal of Passenger Cars-Mechanical Systems, vol.1, no.2, pp.9-17, April 2009
“Simulation of Dynamically Rolling Tire,” Tire Science and Technology, vol. 28, no. 4, pp264-276, 2000
“Truck Tire Thermal-mechanical FEA and DMA with Application to Endurance Evaluation,” Tire Science and Technology, vol. 34, no.4, pp. 220-236, 2006

Microstructure and Ferroelectric Domains of SrBi2Ta1.6Nb0.4O9 Hua Ke 1, a, Xiao-Jing Kou2, Zhe Lu, He-Jun Li1, Wen Wang 1, De-Chang Jia1 and Yu Zhou 1 1 Harbin Institute of Technology, Harbin 150001, China 2 Heilongjiang Institute of Science and Technology, Harbin 150027, China a hua_ke@hit.edu.cn Keywords: SrBi2Ta2O9;Ferroelectric; Domain structure.
Ferroelectric domain structures in SBT materials have been theoretically investigated by the theory of space groups [7].
Acknowledgements This work is supported by the National Natural Science Foundation of China (Contract No. 50502013) References [1] C.
Cao: Materials Science and Engineering B.
Ye: Journal of Sol-Gel Science and Technology, Vol. 34 (2005), p.131 [5] M.

(24) where, is the elasto-plastic matrix for the material property.
Numerical examples In all following example, the Von Mises yield criterion and isotropic linear hardening are used for the elasto-plastic materials.
Computer Modeling in Engineering & Sciences, 2002, 3(1): 53–63
Computer Modeling in Engineering & Sciences, 2001, 2, 273–290
[5] Sun J.D., Zhang W.X., Tong L.W.: Modal analysis of moderately thick plates by element-free method, China Civil Engineering Journal, 2006, 39(10): 29–33

Study on the Microstructures and Properties of middle-carbon-steel Rolled Pieces during Cross Wedge Rolling Z Q Lv1,2,a, P Qiu1,a and B Wang 2,a 1College of Mechanical Engineering, Yanshan University, Qinhuangdao 066004, China 2State key Laboratory of Metastable Material Science and Technology, Yanshan University, Qinhuangdao 066004, China; azqlv@ysu.edu.cn (corresponding author) Key words: Forming; Microstructure; cross wedge rolling; non-uniform temperature field Abstract：The rolling process of the three-roll cross wedge rolling with non-uniform temperature field was simulated with the finite element method (FEM).
When the tensile stress exceeded the tensile strength of this material, the rolling defects (looses and cracks) occurred in the work pieces.
Acknowledgements This research was supported by the Natural Science Foundation of China (No.51101137) and the Natural Science Foundation of Hebei Province of China (No.E2011203055).
Vol. 173(2006),p201 [5] YM Dong, KA Tagavi, M Lovell and Z Deng: International Journal of Mechanical Sciences Vol. 42 (2000), p1233
Vol. 160 (2005), p245 [9] P Qiu, H Xiao, and M Li: Applied Mechanics and Materials vol.16-19 (2009), p 456

Introduction Carbon fiber composites are widely used as dominant advanced lightweight structural material, due to its combination of high strength, high modulus of elasticity and low density.
Experimental Materials and fabrication of smart layers.
P.R.C.) was employed as the matrix material.
Vol. 45(2007), p. 1606 [5] Akira Todoroki, Yusuke Samejima, Yoshiyasu Hirano and Ryosuke Matsuzaki: Composites Science and Technology.
Vol. 1(2006), p. 775 [8] Xiaoyu Zhang, Zhuoqiu Li, Xianhui Song, and Sirong Zhu: Journal of Huazhong University of Science and Technology.