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Acknowledgment This work is supported by Science and Technology of Guangdong, grant no. 2009A080302002.
Masaru, “Thermoelectric generator utilizing automobile engine exhaust gas,” Thermal Science and Engineering, vol. 9, 2001, pp. 17-18
[6] Lingen Chen, Jiangzheng Gong, Fengrui Sun, Chih Wu, “Effect of heat transfer on the performance of thermoelectric generators,” International of Thermal Sciences, vol. 41, 2002, pp. 95-99
[9] Michael Freunek, Monika Muller, Tolgay Ungan, William Walker, Leonhard M.Reindl, “New physical model for thermoelectric generator,” Journal of Electronic Materials, vol. 38, 2009, pp. 1214-1220

Materials and methods Source water.
Levine: Water Science and Technology Vol. 10-11(1996), p. 1-14
Sheng: Environmental Science Vol. 6(2002), p. 45-50,in Chinese
Berg: Journal American Water Works Association Vol. 6 (1991), p. 80-87
Lu: ACTA Science Circumstantiae Vol. 1(2001), p. 110-114,in Chinese.

The Succession of Microbial Community in CSTR Hydrogen Production System Liu Xiaoye1, a , Wang Lu1,b , Li Yongfeng1,2,c , Zhang Baihui1,d 1,2 School of Forestry , Northeast Forestry University, Harbin, 150040,China 2 College of Chemistry and Chemical Engineering, Shanghai University Engineering and Science,Shanghai, 201620,China a 1968050241@163.com;b eileen_1986@163.com, cdr_lyf@163.com, d zhangbaihui007@163.com Keywords: structure of microbial population, climax community, community succession, ethanoltype fermentation Abstrac: The continuous flow stirred tank reactor (CSTR) is used for the experimental device.
Materials and Methods The CSTR System Continuous flow stirred tank reactor (CSTR) is used in this research.
Science in China, ,34(2004), p.569-574 [5] Ren Nanqi.
Environmental Science , 24(2003), p.70-74 [9] Gong Manli, Ren Nanqi, Li Yongfeng.
Journal of Harbin Institute of Technology, 38(2006), p.1826-1830

Either poor-quality raw materials or improper control of heat treatment process may cause nonconforming knife surface hardness and metallographic structure.
Several measures to improve hand-pushing tapping knife’s mechanical properties Strengthen quality inspection of incoming raw materials.
Such defects as crack, fold, scar or hair crack should be checked on incoming raw materials.
Chemical composition analysis should be conducted on raw materials.
Metallographic analysis should be performed on raw materials.

Materials and Methods The matrix composition of experimental composite was Mg-6wt%Zn alloy.
Table 1 Mechanical properties of experimental biomeaterials compared with other materials Materials Density, g/cm3 Brinell hardness Compression strength, MPa Elastic modulus, GPa Mg-6%Zn 1.827 67 310 45 Mg-6%Zn-5%HA 1.862 33.4 324 22 Nature bone [14] 1.8~2.1 20~58 130~180 3～20 Ti alloy [13] 4.4~4.5 70 758~1117 110~117 Fig.2 Weight loss curves of specimens in simulated body fluid The immersion testing of Mg-6%Zn-5%HA MMC in the simulated body fluid is performed to evaluate the corrosion behaviors of such materials in vitro body fluid environment.
Blawert: Advanced Engineering Materials.
Mele: Materials Research, Vol.10, (2007), p.1
Taş: Journal of the American Ceramic Society,Vol. 83, (2004), p.1581 [14] M.

Materials Processing Technology, 113 (2001) 743-748
Materials Processing Technology, 140 (2003) 441-446
Mechanical Engineering Science, 218, Part C (2004) 623-629
Yoshida, Strength of highly ductile acrylic adhesive in butt-joint under combined tension and torsion, Key Engineering Materials, 274-276 (2004) 993-998
Yoshida, Plastic-bending of adhesively bonded dissimilar sheet metals, Key Engineering Materials, 535-536 (2013) 418-421

Characterization of Binary Mg-Mn Alloy Synthesized Through Mechanical Alloying: Effect of Milling Speed EMEE MARINA Salleha, SIVAKUMAR Ramakrishnanb and ZUHAILAWATI Hussainc* Structural Materials Niche Area, School of Materials and Mineral Resources Engineering, Engineering Campus, Universiti Sains Malaysia, 14300 Nibong Tebal, Penang, Malaysia.
Introduction Magnesium (Mg) alloys are potentially useful as structural materials in the aerospace and automobile industries.
Tsakiris, Effects of mechanical alloying on the hydrogen storage properties of the Mg76Ti12Fe12-xNix (x= 4,8) materials, J.
Suryanarayana, Mechanical alloying and milling, Prog. in Materials Science 46 (2001) 1-184 [10] M.T.
Journal of Alloys and Compounds, 365 (2004) 157–163 [12] S.

More specifically, it provides a subprogram that constructs a simplified point interaction diagram as well as a subprogram that constructs an accurate interaction diagram assuming complex nonlinear stress-strain behaviour of materials.
Nonlinear stress-strain behaviour of materials can be assumed which also contributes to higher accuracy of the interaction diagram.
The user also chooses the stress-strain behaviour, to be assumed when calculating the stresses in materials.
The publication [1] mentions that minimal eccentricity should be assumed because various geometrical and material imperfections always appear in constructed members.
Senouci, MATHCAD: Teaching and Learning Tool for Reinforced Concrete Design, International Journal of Engineering Science, Vol. 15, No. 1, pp. 64-71, 1999

Cutting tools were prepared from the sintered materials, with geometry according to ISO1832.
Keywords: Ceramic; Cutting Tools; Composites; SiAlON; Introduction There is a significant increase on use of silicon nitride (Si3N4) based ceramics as structural materials as a result of their excellent mechanical and chemical properties [1-2].
For this experiment on uncaoted materials, greater flank wear is observed as cutting speed is increased.
Case study: Factors affecting microstructure and Properties of Silicon nitride; p. 285-304 in Materials Science of Carbides, Nitrides and Borides"; Edited by Y.G.Gogotsi, and R.A.Andreievski, Kluer Academic Publishers, Netherlands, (1999)
Journal of Materials Processing Technology, 109, 2001

Table 1 and Table 2 listed the elastic parameters and strength allowable values of the two composite materials.
Huang: J. of Composite materials, accepted
Huang, etc: World Journal of Engineering, Vol. 4 (2008) pp.842-844
Materials, Vols. 417-418 (2010) pp.861-864
Chang: J. of Composite materials, Vol. 21 (1987) p.834-855.