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Materials and methods Acquisition and processing of samples.
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[13]H.W.Yang.submitted to Journal of Environmenal Science(2014)

Water-cooled channel and the connecting pieces are made of stainless steel materials.
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[9]Kuo, Y.M., Lin, T.C., Tsai, P.J., Journal of Hazardous Materials B109, 79–84(2004)
[21]Ole Hjelmar.Journal of Hazardous Materials 47:345～368(1996)
[23]Young Jun Park,Jong Heo., Journal of Hazardous Materials B91:83～93(2002)

R China 2 Department of Materials Science and Engineering, Jilin University, Changchun, 130025,P.
Atkinson: Progress in Materials Science Vol. 50 (2005), p. 341-412 [5] J.G.
Wang, et al: Materials letters Vol. 58 (2004), p. 3852-3856 [6] D.H.
Zhang, et al: Journal of Materials Processing Technology Vol. 184 (2007), p. 195-200 [10] Z.
Callister, Fundamentals of materials science and engineering.

This is particular when fabrication involves the use of thin section sheet materials typically in aerospace industries.
These sheet materials are not inherently stiff enough to resist the contraction forces induced by welding.
This feature has imposed limitation on the design components made in sheet materials and restricted some of fusion welding technique in advanced industries.
Welding Journal,Vol.76(1997), 451-457
Low stress No-Distortion (LSND)welding a new technique for thin materials.

These materials are frequently used because of their high field effect mobility and work function [3].
However, for same semiconductor and dielectric materials, contact resistance and mobility are better in staggered structured devices [13].
Bao: Advanced Materials Vol. 22 (2010), p. 65-655 [2] C.D.
Malenfant: Advanced Materials Vol. 14 (2002), p.99-117 [3] Dipti Gupta, M.
Jamal Deen,: Journal of Vacuum Science and Technology B Vol. 24 (4) (2006), p. 1728-1733 [11] C.H.

MEGM 2012 had drawn the attention of researchers from various disciplines: Mechanical Engineering Design, Green Manufacturing Technology, Applied Mechanics, Sustainable Materials, etc.
From which 244 papers have been accepted for presentation at the conference and will be published by TTP, in Applied Mechanics and Materials (AMM) Journal (ISSN: 1660-9336), which is online available in full text via the platform www.scientific.net.
Our deep thanks also go to the sponsors: National Natural Science Foundation of China, Chongqing University, Hunan Institute of Engineering，Chongqing Normal University, Shanghai Jiao Tong University, National University of Defense Technology, and Xiangtan University, for their kind support in making MEGM 2012 possible.
and Technology, China Gaofeng Zhang, Xiangtan University, China Hongguang Li, Shanghai Jiao Tong University, China Jiafu Wan, South China University of Technology Jing Li,Hunan Institute of Engineering,China Jun Hu, Hunan University ,China Jun Tang, Hunan Urban Construction College Junan Liu, Hunan Institute of Engineering, China Kang Ding, South China University of Technology, China Lianming Zhang, Hunan Normal University, China Qi Xie, Hunan Institute of Engineering, China Shanghong He, Changsha University of Science & Technology, China Wenming Zhang, Shanghai Jiao Tong University, China Xianghua Miao, Kunming University of Science and Technology, China Xingzu Ming, Hunan University of Technology, China Yanchun Zhang, University of Victoria, Australia Yimin Shao, Chongqing University, China Yiming Chen, Yanshan University, China Yongwei Zeng, Hunan Institute of Engineering, China Yu Luo, University of Electronic Science and Technology
and Technology, China Gaofeng Zhang, Xiangtan University, China Hongguang Li, Shanghai Jiao Tong University, China Jiafu Wan, South China University of Technology Jing Li,Hunan Institute of Engineering,China Jun Hu, Hunan University ,China Jun Tang , Hunan Urban Construction College Junan Liu, Hunan Institute of Engineering, China Kang Ding, South China University of Technology, China Lianming Zhang, Hunan Normal University, China Qi Xie, Hunan Institute of Engineering, China Shanghong He, Changsha University of Science & Technology, China Wenming Zhang, Shanghai Jiao Tong University, China Xianghua Miao, Kunming University of Science and Technology, China Xingzu Ming, Hunan University of Technology, China Yanchun Zhang, University of Victoria, Australia Yimin Shao, Chongqing University, China Yiming Chen, Yanshan University, China Yongwei Zeng ,Hunan Institute of Engineering, China Yu Luo, University of Electronic Science and Technology

Introduction Exploring the new nano-structure has become one focus topic in recent years in physics, chemistry, materials science, biology and other research fields.
Today the quasi-dimension nano-structure materials have been available including nanotubes, nanowires, nanorods and nano-cables, and the preparation of these nano-structured materials technology has been more mature and practical [1-4].
All these cause hollow microspheres materials playing an important role in medicine, biochemistry and chemical technology [6,7].
Pittsburgh: Materials Research Society Proceedings. 1995, 372: 1~13 [11]Gan Zhiping, Guan Jianguo.
Materials Review. 2007, 21(5A):136~141

Microwave energy has been found to be advantages in the synthesis of many materials.
Fig.1 Effect of raw material ratio on DS of CCS Fig.2 Effect of raw material ratio on DS of CAS Figure1 shows the raw material ratio varies with different DS of quaternary ammonium group.
Journal of Polymer Research , Vol.13(2006), P. 213-217 [3] R.E.
Journal of Polymer Research, Vol.11(2004), P. 211-215
Journal of Applied Polymer Science, Vol. 89(2003), P.263-267 [8] L.

Production status of one factory is: average wall thickness difference is 3-4 mm, material utilization is only 48.5%, reject rate is 12%.
Initial condition are as follows.Workpiece material is 58SiMn.
Acknowledgements This work is supported by National S&T Major Project(2011ZX04001-51) Refences [1] P.Xuea,T.X.Yua and X.M.Taob：Flat-tpped conical shell under axial compression.International Journal of Mechanical Sciences,43:2125-2145. (2001) [2] Yaojin Wu,Zhiming Zhang:Finite element analysis of extrusion forming of deep hole tubular workpiece.
Journal of Netshape Forming Enginneer ,2(3):7-8.(2010)(In Chinese) [3] Jie Zhou:FEM Simulation ANAlysis and Experimetal Studies on Hot Precision Forming of Cannonlall Body Semiproduct.(2003)(In Chinese) [4] Y.V.R.K.Prasad, H.L.Gegel and etc:Modeling of dynamic material behavior in hot deformation:forging of Ti-6242.Metallurgical and materials transactions A, V15A. (1984) [5] H.Yada, T.Senuma:Resistance to hot deformation of stell.Jstp:V27:33.(1986) [6] H.Yada:Accelerated cooling of rolled stells.
Metallurgists, Pergamon Press, canada: 105-120 [7] R.Kopp, K.Karnhausen and M.M.Souza:Numerical simulation method fordesigning thermommecha ha-nical treatment.Illustrated by Bar Rolling,Scand,J.J.Metall:V20:351.( 1991) [8] G.S.Shen, S.L.Semiatin and R.Shivpuri:Moding microstructural development during the forging of waspaloy waspaloy.Metallurgical and Materials Transacyions A:V26A:1796.( 1995) [9] Zhong Hu，Lihua Zhu:Computer simulation of the deep extrusion of thin-walled cup using the thermo-mechanically coupled elasto-plastic FEM ．Journal of materials processing technologry, 12(1-3):128-173 . (2000,)(In Chinese) [10] C.M.Sellars,J.A.Whiteaman:Computer modeling of hot working processes.Mater.Sci & Tech:VI 325. (1955)

Especially Group V-VI compound thin films have potential applications in optoelectronic devices, photo electrochemical devices, thermoelectric coolers, solar selective materials, decorative coatings, etc. [2].
At present particularly BiSb2S3 alloys found to be the best materials for thermoelectric cooling [1].
References [1] K.Rajasekar, A.Subbarayan, R.Sathyamoorthy, Solar Energy Materials & Solar Cells, 90 (2006) 2515–2522 [2] N.S.
Vasile, Journal of Optoelectronics and Advanced Materials, 5 (2003) 907 – 912 [4] B.B.
Subramanian, P.Chithra lekh., Journal of Non-Crystalline Solids, 356 (2010) 1173–1179 [8] P.G.Ganesan, V.Damodara Das, Material Letters, 60 (2006) 2059-2065